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Commit | Line | Data |
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26ae337b | 1 | #include "cache.h" |
b2141fc1 | 2 | #include "config.h" |
697cc8ef | 3 | #include "lockfile.h" |
26ae337b | 4 | #include "dir.h" |
cbd53a21 | 5 | #include "object-store.h" |
043a4492 RR |
6 | #include "object.h" |
7 | #include "commit.h" | |
0505d604 | 8 | #include "sequencer.h" |
043a4492 RR |
9 | #include "tag.h" |
10 | #include "run-command.h" | |
d807c4a0 | 11 | #include "exec-cmd.h" |
043a4492 RR |
12 | #include "utf8.h" |
13 | #include "cache-tree.h" | |
14 | #include "diff.h" | |
15 | #include "revision.h" | |
16 | #include "rerere.h" | |
17 | #include "merge-recursive.h" | |
18 | #include "refs.h" | |
b27cfb0d | 19 | #include "argv-array.h" |
a1c75762 | 20 | #include "quote.h" |
967dfd4d | 21 | #include "trailer.h" |
56dc3ab0 | 22 | #include "log-tree.h" |
311af526 | 23 | #include "wt-status.h" |
c44a4c65 | 24 | #include "hashmap.h" |
a87a6f3c PW |
25 | #include "notes-utils.h" |
26 | #include "sigchain.h" | |
9055e401 JS |
27 | #include "unpack-trees.h" |
28 | #include "worktree.h" | |
1644c73c JS |
29 | #include "oidmap.h" |
30 | #include "oidset.h" | |
8315bd20 | 31 | #include "commit-slab.h" |
65b5f948 | 32 | #include "alias.h" |
64043556 | 33 | #include "commit-reach.h" |
b97e1873 | 34 | #include "rebase-interactive.h" |
043a4492 RR |
35 | |
36 | #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION" | |
26ae337b | 37 | |
5fe81438 | 38 | static const char sign_off_header[] = "Signed-off-by: "; |
cd650a4e | 39 | static const char cherry_picked_prefix[] = "(cherry picked from commit "; |
5ed75e2a | 40 | |
66618a50 PW |
41 | GIT_PATH_FUNC(git_path_commit_editmsg, "COMMIT_EDITMSG") |
42 | ||
8a2a0f53 JS |
43 | GIT_PATH_FUNC(git_path_seq_dir, "sequencer") |
44 | ||
45 | static GIT_PATH_FUNC(git_path_todo_file, "sequencer/todo") | |
46 | static GIT_PATH_FUNC(git_path_opts_file, "sequencer/opts") | |
47 | static GIT_PATH_FUNC(git_path_head_file, "sequencer/head") | |
1e41229d | 48 | static GIT_PATH_FUNC(git_path_abort_safety_file, "sequencer/abort-safety") |
f932729c | 49 | |
84583957 JS |
50 | static GIT_PATH_FUNC(rebase_path, "rebase-merge") |
51 | /* | |
52 | * The file containing rebase commands, comments, and empty lines. | |
53 | * This file is created by "git rebase -i" then edited by the user. As | |
54 | * the lines are processed, they are removed from the front of this | |
55 | * file and written to the tail of 'done'. | |
56 | */ | |
44b776c3 | 57 | GIT_PATH_FUNC(rebase_path_todo, "rebase-merge/git-rebase-todo") |
a930eb03 | 58 | GIT_PATH_FUNC(rebase_path_todo_backup, "rebase-merge/git-rebase-todo.backup") |
b97e1873 | 59 | |
1df6df0c JS |
60 | /* |
61 | * The rebase command lines that have already been processed. A line | |
62 | * is moved here when it is first handled, before any associated user | |
63 | * actions. | |
64 | */ | |
65 | static GIT_PATH_FUNC(rebase_path_done, "rebase-merge/done") | |
ef80069a JS |
66 | /* |
67 | * The file to keep track of how many commands were already processed (e.g. | |
68 | * for the prompt). | |
69 | */ | |
9ad36356 | 70 | static GIT_PATH_FUNC(rebase_path_msgnum, "rebase-merge/msgnum") |
ef80069a JS |
71 | /* |
72 | * The file to keep track of how many commands are to be processed in total | |
73 | * (e.g. for the prompt). | |
74 | */ | |
9ad36356 | 75 | static GIT_PATH_FUNC(rebase_path_msgtotal, "rebase-merge/end") |
6e98de72 JS |
76 | /* |
77 | * The commit message that is planned to be used for any changes that | |
78 | * need to be committed following a user interaction. | |
79 | */ | |
80 | static GIT_PATH_FUNC(rebase_path_message, "rebase-merge/message") | |
81 | /* | |
82 | * The file into which is accumulated the suggested commit message for | |
83 | * squash/fixup commands. When the first of a series of squash/fixups | |
84 | * is seen, the file is created and the commit message from the | |
85 | * previous commit and from the first squash/fixup commit are written | |
86 | * to it. The commit message for each subsequent squash/fixup commit | |
87 | * is appended to the file as it is processed. | |
6e98de72 JS |
88 | */ |
89 | static GIT_PATH_FUNC(rebase_path_squash_msg, "rebase-merge/message-squash") | |
90 | /* | |
91 | * If the current series of squash/fixups has not yet included a squash | |
92 | * command, then this file exists and holds the commit message of the | |
93 | * original "pick" commit. (If the series ends without a "squash" | |
94 | * command, then this can be used as the commit message of the combined | |
95 | * commit without opening the editor.) | |
96 | */ | |
97 | static GIT_PATH_FUNC(rebase_path_fixup_msg, "rebase-merge/message-fixup") | |
e12a7ef5 JS |
98 | /* |
99 | * This file contains the list fixup/squash commands that have been | |
100 | * accumulated into message-fixup or message-squash so far. | |
101 | */ | |
102 | static GIT_PATH_FUNC(rebase_path_current_fixups, "rebase-merge/current-fixups") | |
b5a67045 JS |
103 | /* |
104 | * A script to set the GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and | |
105 | * GIT_AUTHOR_DATE that will be used for the commit that is currently | |
106 | * being rebased. | |
107 | */ | |
108 | static GIT_PATH_FUNC(rebase_path_author_script, "rebase-merge/author-script") | |
56dc3ab0 JS |
109 | /* |
110 | * When an "edit" rebase command is being processed, the SHA1 of the | |
111 | * commit to be edited is recorded in this file. When "git rebase | |
112 | * --continue" is executed, if there are any staged changes then they | |
113 | * will be amended to the HEAD commit, but only provided the HEAD | |
114 | * commit is still the commit to be edited. When any other rebase | |
115 | * command is processed, this file is deleted. | |
116 | */ | |
117 | static GIT_PATH_FUNC(rebase_path_amend, "rebase-merge/amend") | |
118 | /* | |
119 | * When we stop at a given patch via the "edit" command, this file contains | |
120 | * the abbreviated commit name of the corresponding patch. | |
121 | */ | |
122 | static GIT_PATH_FUNC(rebase_path_stopped_sha, "rebase-merge/stopped-sha") | |
25cb8df9 JS |
123 | /* |
124 | * For the post-rewrite hook, we make a list of rewritten commits and | |
125 | * their new sha1s. The rewritten-pending list keeps the sha1s of | |
126 | * commits that have been processed, but not committed yet, | |
127 | * e.g. because they are waiting for a 'squash' command. | |
128 | */ | |
129 | static GIT_PATH_FUNC(rebase_path_rewritten_list, "rebase-merge/rewritten-list") | |
130 | static GIT_PATH_FUNC(rebase_path_rewritten_pending, | |
131 | "rebase-merge/rewritten-pending") | |
9055e401 | 132 | |
d87d48b2 JS |
133 | /* |
134 | * The path of the file containig the OID of the "squash onto" commit, i.e. | |
135 | * the dummy commit used for `reset [new root]`. | |
136 | */ | |
137 | static GIT_PATH_FUNC(rebase_path_squash_onto, "rebase-merge/squash-onto") | |
138 | ||
9055e401 JS |
139 | /* |
140 | * The path of the file listing refs that need to be deleted after the rebase | |
141 | * finishes. This is used by the `label` command to record the need for cleanup. | |
142 | */ | |
143 | static GIT_PATH_FUNC(rebase_path_refs_to_delete, "rebase-merge/refs-to-delete") | |
144 | ||
a1c75762 JS |
145 | /* |
146 | * The following files are written by git-rebase just after parsing the | |
65850686 | 147 | * command-line. |
a1c75762 JS |
148 | */ |
149 | static GIT_PATH_FUNC(rebase_path_gpg_sign_opt, "rebase-merge/gpg_sign_opt") | |
556907f1 JS |
150 | static GIT_PATH_FUNC(rebase_path_orig_head, "rebase-merge/orig-head") |
151 | static GIT_PATH_FUNC(rebase_path_verbose, "rebase-merge/verbose") | |
899b49c4 | 152 | static GIT_PATH_FUNC(rebase_path_quiet, "rebase-merge/quiet") |
a852ec7f | 153 | static GIT_PATH_FUNC(rebase_path_signoff, "rebase-merge/signoff") |
4b83ce9f JS |
154 | static GIT_PATH_FUNC(rebase_path_head_name, "rebase-merge/head-name") |
155 | static GIT_PATH_FUNC(rebase_path_onto, "rebase-merge/onto") | |
796c7972 | 156 | static GIT_PATH_FUNC(rebase_path_autostash, "rebase-merge/autostash") |
ca6c6b45 JS |
157 | static GIT_PATH_FUNC(rebase_path_strategy, "rebase-merge/strategy") |
158 | static GIT_PATH_FUNC(rebase_path_strategy_opts, "rebase-merge/strategy_opts") | |
9b6d7a62 | 159 | static GIT_PATH_FUNC(rebase_path_allow_rerere_autoupdate, "rebase-merge/allow_rerere_autoupdate") |
d421afa0 | 160 | static GIT_PATH_FUNC(rebase_path_reschedule_failed_exec, "rebase-merge/reschedule-failed-exec") |
b5a67045 | 161 | |
28d6daed PW |
162 | static int git_sequencer_config(const char *k, const char *v, void *cb) |
163 | { | |
164 | struct replay_opts *opts = cb; | |
165 | int status; | |
166 | ||
167 | if (!strcmp(k, "commit.cleanup")) { | |
168 | const char *s; | |
169 | ||
170 | status = git_config_string(&s, k, v); | |
171 | if (status) | |
172 | return status; | |
173 | ||
d74f3e58 | 174 | if (!strcmp(s, "verbatim")) { |
28d6daed | 175 | opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_NONE; |
d74f3e58 PW |
176 | opts->explicit_cleanup = 1; |
177 | } else if (!strcmp(s, "whitespace")) { | |
28d6daed | 178 | opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_SPACE; |
d74f3e58 PW |
179 | opts->explicit_cleanup = 1; |
180 | } else if (!strcmp(s, "strip")) { | |
28d6daed | 181 | opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_ALL; |
d74f3e58 PW |
182 | opts->explicit_cleanup = 1; |
183 | } else if (!strcmp(s, "scissors")) { | |
1a2b985f | 184 | opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_SCISSORS; |
d74f3e58 PW |
185 | opts->explicit_cleanup = 1; |
186 | } else { | |
28d6daed PW |
187 | warning(_("invalid commit message cleanup mode '%s'"), |
188 | s); | |
d74f3e58 | 189 | } |
28d6daed | 190 | |
f40f3c16 | 191 | free((char *)s); |
28d6daed PW |
192 | return status; |
193 | } | |
194 | ||
195 | if (!strcmp(k, "commit.gpgsign")) { | |
ed1e5282 | 196 | opts->gpg_sign = git_config_bool(k, v) ? xstrdup("") : NULL; |
28d6daed PW |
197 | return 0; |
198 | } | |
199 | ||
200 | status = git_gpg_config(k, v, NULL); | |
201 | if (status) | |
202 | return status; | |
203 | ||
204 | return git_diff_basic_config(k, v, NULL); | |
205 | } | |
206 | ||
207 | void sequencer_init_config(struct replay_opts *opts) | |
208 | { | |
209 | opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_NONE; | |
210 | git_config(git_sequencer_config, opts); | |
211 | } | |
212 | ||
b5a67045 JS |
213 | static inline int is_rebase_i(const struct replay_opts *opts) |
214 | { | |
84583957 | 215 | return opts->action == REPLAY_INTERACTIVE_REBASE; |
b5a67045 JS |
216 | } |
217 | ||
285abf56 JS |
218 | static const char *get_dir(const struct replay_opts *opts) |
219 | { | |
84583957 JS |
220 | if (is_rebase_i(opts)) |
221 | return rebase_path(); | |
285abf56 JS |
222 | return git_path_seq_dir(); |
223 | } | |
224 | ||
c0246501 JS |
225 | static const char *get_todo_path(const struct replay_opts *opts) |
226 | { | |
84583957 JS |
227 | if (is_rebase_i(opts)) |
228 | return rebase_path_todo(); | |
c0246501 JS |
229 | return git_path_todo_file(); |
230 | } | |
231 | ||
bab4d109 BC |
232 | /* |
233 | * Returns 0 for non-conforming footer | |
234 | * Returns 1 for conforming footer | |
235 | * Returns 2 when sob exists within conforming footer | |
236 | * Returns 3 when sob exists within conforming footer as last entry | |
237 | */ | |
238 | static int has_conforming_footer(struct strbuf *sb, struct strbuf *sob, | |
66e83d9b | 239 | size_t ignore_footer) |
b971e04f | 240 | { |
00a21f5c | 241 | struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; |
967dfd4d | 242 | struct trailer_info info; |
a3b636e2 | 243 | size_t i; |
967dfd4d | 244 | int found_sob = 0, found_sob_last = 0; |
b971e04f | 245 | |
ffce7f59 JK |
246 | opts.no_divider = 1; |
247 | ||
00a21f5c | 248 | trailer_info_get(&info, sb->buf, &opts); |
b971e04f | 249 | |
967dfd4d | 250 | if (info.trailer_start == info.trailer_end) |
b971e04f BC |
251 | return 0; |
252 | ||
967dfd4d JT |
253 | for (i = 0; i < info.trailer_nr; i++) |
254 | if (sob && !strncmp(info.trailers[i], sob->buf, sob->len)) { | |
255 | found_sob = 1; | |
256 | if (i == info.trailer_nr - 1) | |
257 | found_sob_last = 1; | |
258 | } | |
b971e04f | 259 | |
967dfd4d | 260 | trailer_info_release(&info); |
bab4d109 | 261 | |
967dfd4d | 262 | if (found_sob_last) |
bab4d109 BC |
263 | return 3; |
264 | if (found_sob) | |
265 | return 2; | |
b971e04f BC |
266 | return 1; |
267 | } | |
5ed75e2a | 268 | |
a1c75762 JS |
269 | static const char *gpg_sign_opt_quoted(struct replay_opts *opts) |
270 | { | |
271 | static struct strbuf buf = STRBUF_INIT; | |
272 | ||
273 | strbuf_reset(&buf); | |
274 | if (opts->gpg_sign) | |
275 | sq_quotef(&buf, "-S%s", opts->gpg_sign); | |
276 | return buf.buf; | |
277 | } | |
278 | ||
2863584f | 279 | int sequencer_remove_state(struct replay_opts *opts) |
26ae337b | 280 | { |
9055e401 | 281 | struct strbuf buf = STRBUF_INIT; |
03a4e260 JS |
282 | int i; |
283 | ||
9055e401 JS |
284 | if (is_rebase_i(opts) && |
285 | strbuf_read_file(&buf, rebase_path_refs_to_delete(), 0) > 0) { | |
286 | char *p = buf.buf; | |
287 | while (*p) { | |
288 | char *eol = strchr(p, '\n'); | |
289 | if (eol) | |
290 | *eol = '\0'; | |
291 | if (delete_ref("(rebase -i) cleanup", p, NULL, 0) < 0) | |
292 | warning(_("could not delete '%s'"), p); | |
293 | if (!eol) | |
294 | break; | |
295 | p = eol + 1; | |
296 | } | |
297 | } | |
298 | ||
03a4e260 JS |
299 | free(opts->gpg_sign); |
300 | free(opts->strategy); | |
301 | for (i = 0; i < opts->xopts_nr; i++) | |
302 | free(opts->xopts[i]); | |
303 | free(opts->xopts); | |
e12a7ef5 | 304 | strbuf_release(&opts->current_fixups); |
26ae337b | 305 | |
9055e401 JS |
306 | strbuf_reset(&buf); |
307 | strbuf_addstr(&buf, get_dir(opts)); | |
308 | remove_dir_recursively(&buf, 0); | |
309 | strbuf_release(&buf); | |
2863584f JS |
310 | |
311 | return 0; | |
26ae337b | 312 | } |
043a4492 RR |
313 | |
314 | static const char *action_name(const struct replay_opts *opts) | |
315 | { | |
84583957 JS |
316 | switch (opts->action) { |
317 | case REPLAY_REVERT: | |
318 | return N_("revert"); | |
319 | case REPLAY_PICK: | |
320 | return N_("cherry-pick"); | |
321 | case REPLAY_INTERACTIVE_REBASE: | |
322 | return N_("rebase -i"); | |
323 | } | |
1a07e59c | 324 | die(_("unknown action: %d"), opts->action); |
043a4492 RR |
325 | } |
326 | ||
043a4492 RR |
327 | struct commit_message { |
328 | char *parent_label; | |
7b35eaf8 JK |
329 | char *label; |
330 | char *subject; | |
043a4492 RR |
331 | const char *message; |
332 | }; | |
333 | ||
39755964 JS |
334 | static const char *short_commit_name(struct commit *commit) |
335 | { | |
aab9583f | 336 | return find_unique_abbrev(&commit->object.oid, DEFAULT_ABBREV); |
39755964 JS |
337 | } |
338 | ||
043a4492 RR |
339 | static int get_message(struct commit *commit, struct commit_message *out) |
340 | { | |
043a4492 | 341 | const char *abbrev, *subject; |
7b35eaf8 | 342 | int subject_len; |
043a4492 | 343 | |
7b35eaf8 | 344 | out->message = logmsg_reencode(commit, NULL, get_commit_output_encoding()); |
39755964 | 345 | abbrev = short_commit_name(commit); |
043a4492 RR |
346 | |
347 | subject_len = find_commit_subject(out->message, &subject); | |
348 | ||
7b35eaf8 JK |
349 | out->subject = xmemdupz(subject, subject_len); |
350 | out->label = xstrfmt("%s... %s", abbrev, out->subject); | |
351 | out->parent_label = xstrfmt("parent of %s", out->label); | |
352 | ||
043a4492 RR |
353 | return 0; |
354 | } | |
355 | ||
d74a4e57 | 356 | static void free_message(struct commit *commit, struct commit_message *msg) |
043a4492 RR |
357 | { |
358 | free(msg->parent_label); | |
7b35eaf8 JK |
359 | free(msg->label); |
360 | free(msg->subject); | |
b66103c3 | 361 | unuse_commit_buffer(commit, msg->message); |
043a4492 RR |
362 | } |
363 | ||
005af339 NTND |
364 | static void print_advice(struct repository *r, int show_hint, |
365 | struct replay_opts *opts) | |
043a4492 RR |
366 | { |
367 | char *msg = getenv("GIT_CHERRY_PICK_HELP"); | |
368 | ||
369 | if (msg) { | |
370 | fprintf(stderr, "%s\n", msg); | |
371 | /* | |
41ccfdd9 | 372 | * A conflict has occurred but the porcelain |
043a4492 RR |
373 | * (typically rebase --interactive) wants to take care |
374 | * of the commit itself so remove CHERRY_PICK_HEAD | |
375 | */ | |
005af339 | 376 | unlink(git_path_cherry_pick_head(r)); |
043a4492 RR |
377 | return; |
378 | } | |
379 | ||
ed727b19 PH |
380 | if (show_hint) { |
381 | if (opts->no_commit) | |
382 | advise(_("after resolving the conflicts, mark the corrected paths\n" | |
383 | "with 'git add <paths>' or 'git rm <paths>'")); | |
384 | else | |
385 | advise(_("after resolving the conflicts, mark the corrected paths\n" | |
386 | "with 'git add <paths>' or 'git rm <paths>'\n" | |
387 | "and commit the result with 'git commit'")); | |
388 | } | |
043a4492 RR |
389 | } |
390 | ||
ddb81e50 AG |
391 | static int write_message(const void *buf, size_t len, const char *filename, |
392 | int append_eol) | |
043a4492 | 393 | { |
14bca6c6 | 394 | struct lock_file msg_file = LOCK_INIT; |
043a4492 | 395 | |
4ef3d8f0 JS |
396 | int msg_fd = hold_lock_file_for_update(&msg_file, filename, 0); |
397 | if (msg_fd < 0) | |
93b3df6f | 398 | return error_errno(_("could not lock '%s'"), filename); |
75871495 | 399 | if (write_in_full(msg_fd, buf, len) < 0) { |
bf5c0571 | 400 | error_errno(_("could not write to '%s'"), filename); |
4f66c837 | 401 | rollback_lock_file(&msg_file); |
bf5c0571 | 402 | return -1; |
4f66c837 | 403 | } |
f56fffef | 404 | if (append_eol && write(msg_fd, "\n", 1) < 0) { |
bf5c0571 | 405 | error_errno(_("could not write eol to '%s'"), filename); |
f56fffef | 406 | rollback_lock_file(&msg_file); |
bf5c0571 | 407 | return -1; |
f56fffef | 408 | } |
350292a1 MÅ |
409 | if (commit_lock_file(&msg_file) < 0) |
410 | return error(_("failed to finalize '%s'"), filename); | |
4ef3d8f0 JS |
411 | |
412 | return 0; | |
043a4492 RR |
413 | } |
414 | ||
1dfc84e9 JS |
415 | /* |
416 | * Reads a file that was presumably written by a shell script, i.e. with an | |
417 | * end-of-line marker that needs to be stripped. | |
418 | * | |
419 | * Note that only the last end-of-line marker is stripped, consistent with the | |
420 | * behavior of "$(cat path)" in a shell script. | |
421 | * | |
422 | * Returns 1 if the file was read, 0 if it could not be read or does not exist. | |
423 | */ | |
424 | static int read_oneliner(struct strbuf *buf, | |
425 | const char *path, int skip_if_empty) | |
426 | { | |
427 | int orig_len = buf->len; | |
428 | ||
429 | if (!file_exists(path)) | |
430 | return 0; | |
431 | ||
432 | if (strbuf_read_file(buf, path, 0) < 0) { | |
433 | warning_errno(_("could not read '%s'"), path); | |
434 | return 0; | |
435 | } | |
436 | ||
437 | if (buf->len > orig_len && buf->buf[buf->len - 1] == '\n') { | |
438 | if (--buf->len > orig_len && buf->buf[buf->len - 1] == '\r') | |
439 | --buf->len; | |
440 | buf->buf[buf->len] = '\0'; | |
441 | } | |
442 | ||
443 | if (skip_if_empty && buf->len == orig_len) | |
444 | return 0; | |
445 | ||
446 | return 1; | |
447 | } | |
448 | ||
005af339 | 449 | static struct tree *empty_tree(struct repository *r) |
043a4492 | 450 | { |
005af339 | 451 | return lookup_tree(r, the_hash_algo->empty_tree); |
043a4492 RR |
452 | } |
453 | ||
e1ff0a32 | 454 | static int error_dirty_index(struct repository *repo, struct replay_opts *opts) |
043a4492 | 455 | { |
e1ff0a32 | 456 | if (repo_read_index_unmerged(repo)) |
c28cbc5e | 457 | return error_resolve_conflict(_(action_name(opts))); |
043a4492 | 458 | |
93b3df6f | 459 | error(_("your local changes would be overwritten by %s."), |
c28cbc5e | 460 | _(action_name(opts))); |
043a4492 RR |
461 | |
462 | if (advice_commit_before_merge) | |
93b3df6f | 463 | advise(_("commit your changes or stash them to proceed.")); |
043a4492 RR |
464 | return -1; |
465 | } | |
466 | ||
1e41229d SB |
467 | static void update_abort_safety_file(void) |
468 | { | |
469 | struct object_id head; | |
470 | ||
471 | /* Do nothing on a single-pick */ | |
472 | if (!file_exists(git_path_seq_dir())) | |
473 | return; | |
474 | ||
475 | if (!get_oid("HEAD", &head)) | |
476 | write_file(git_path_abort_safety_file(), "%s", oid_to_hex(&head)); | |
477 | else | |
478 | write_file(git_path_abort_safety_file(), "%s", ""); | |
479 | } | |
480 | ||
f11c9580 NTND |
481 | static int fast_forward_to(struct repository *r, |
482 | const struct object_id *to, | |
483 | const struct object_id *from, | |
484 | int unborn, | |
485 | struct replay_opts *opts) | |
043a4492 | 486 | { |
d668d16c | 487 | struct ref_transaction *transaction; |
eb4be1cb | 488 | struct strbuf sb = STRBUF_INIT; |
d668d16c | 489 | struct strbuf err = STRBUF_INIT; |
043a4492 | 490 | |
e1ff0a32 | 491 | repo_read_index(r); |
f11c9580 | 492 | if (checkout_fast_forward(r, from, to, 1)) |
0e408fc3 | 493 | return -1; /* the callee should have complained already */ |
651ab9f5 | 494 | |
c28cbc5e | 495 | strbuf_addf(&sb, _("%s: fast-forward"), _(action_name(opts))); |
d668d16c RS |
496 | |
497 | transaction = ref_transaction_begin(&err); | |
498 | if (!transaction || | |
499 | ref_transaction_update(transaction, "HEAD", | |
d87d48b2 JS |
500 | to, unborn && !is_rebase_i(opts) ? |
501 | &null_oid : from, | |
1d147bdf | 502 | 0, sb.buf, &err) || |
db7516ab | 503 | ref_transaction_commit(transaction, &err)) { |
d668d16c RS |
504 | ref_transaction_free(transaction); |
505 | error("%s", err.buf); | |
506 | strbuf_release(&sb); | |
507 | strbuf_release(&err); | |
508 | return -1; | |
509 | } | |
651ab9f5 | 510 | |
eb4be1cb | 511 | strbuf_release(&sb); |
d668d16c RS |
512 | strbuf_release(&err); |
513 | ref_transaction_free(transaction); | |
1e41229d | 514 | update_abort_safety_file(); |
d668d16c | 515 | return 0; |
043a4492 RR |
516 | } |
517 | ||
f29cd862 DL |
518 | enum commit_msg_cleanup_mode get_cleanup_mode(const char *cleanup_arg, |
519 | int use_editor) | |
520 | { | |
521 | if (!cleanup_arg || !strcmp(cleanup_arg, "default")) | |
522 | return use_editor ? COMMIT_MSG_CLEANUP_ALL : | |
523 | COMMIT_MSG_CLEANUP_SPACE; | |
524 | else if (!strcmp(cleanup_arg, "verbatim")) | |
525 | return COMMIT_MSG_CLEANUP_NONE; | |
526 | else if (!strcmp(cleanup_arg, "whitespace")) | |
527 | return COMMIT_MSG_CLEANUP_SPACE; | |
528 | else if (!strcmp(cleanup_arg, "strip")) | |
529 | return COMMIT_MSG_CLEANUP_ALL; | |
530 | else if (!strcmp(cleanup_arg, "scissors")) | |
531 | return use_editor ? COMMIT_MSG_CLEANUP_SCISSORS : | |
532 | COMMIT_MSG_CLEANUP_SPACE; | |
533 | else | |
534 | die(_("Invalid cleanup mode %s"), cleanup_arg); | |
535 | } | |
536 | ||
dc42e9a8 PW |
537 | /* |
538 | * NB using int rather than enum cleanup_mode to stop clang's | |
539 | * -Wtautological-constant-out-of-range-compare complaining that the comparison | |
540 | * is always true. | |
541 | */ | |
542 | static const char *describe_cleanup_mode(int cleanup_mode) | |
543 | { | |
544 | static const char *modes[] = { "whitespace", | |
545 | "verbatim", | |
546 | "scissors", | |
547 | "strip" }; | |
548 | ||
549 | if (cleanup_mode < ARRAY_SIZE(modes)) | |
550 | return modes[cleanup_mode]; | |
551 | ||
552 | BUG("invalid cleanup_mode provided (%d)", cleanup_mode); | |
553 | } | |
554 | ||
f11c9580 | 555 | void append_conflicts_hint(struct index_state *istate, |
1a2b985f | 556 | struct strbuf *msgbuf, enum commit_msg_cleanup_mode cleanup_mode) |
75c961b7 JH |
557 | { |
558 | int i; | |
559 | ||
1a2b985f DL |
560 | if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) { |
561 | strbuf_addch(msgbuf, '\n'); | |
562 | wt_status_append_cut_line(msgbuf); | |
563 | strbuf_addch(msgbuf, comment_line_char); | |
564 | } | |
565 | ||
261f315b JH |
566 | strbuf_addch(msgbuf, '\n'); |
567 | strbuf_commented_addf(msgbuf, "Conflicts:\n"); | |
f11c9580 NTND |
568 | for (i = 0; i < istate->cache_nr;) { |
569 | const struct cache_entry *ce = istate->cache[i++]; | |
75c961b7 | 570 | if (ce_stage(ce)) { |
261f315b | 571 | strbuf_commented_addf(msgbuf, "\t%s\n", ce->name); |
f11c9580 NTND |
572 | while (i < istate->cache_nr && |
573 | !strcmp(ce->name, istate->cache[i]->name)) | |
75c961b7 JH |
574 | i++; |
575 | } | |
576 | } | |
577 | } | |
578 | ||
f11c9580 NTND |
579 | static int do_recursive_merge(struct repository *r, |
580 | struct commit *base, struct commit *next, | |
043a4492 | 581 | const char *base_label, const char *next_label, |
48be4c62 | 582 | struct object_id *head, struct strbuf *msgbuf, |
043a4492 RR |
583 | struct replay_opts *opts) |
584 | { | |
585 | struct merge_options o; | |
586 | struct tree *result, *next_tree, *base_tree, *head_tree; | |
03b86647 | 587 | int clean; |
03a4e260 | 588 | char **xopt; |
14bca6c6 | 589 | struct lock_file index_lock = LOCK_INIT; |
043a4492 | 590 | |
3a95f31d | 591 | if (repo_hold_locked_index(r, &index_lock, LOCK_REPORT_ON_ERROR) < 0) |
bd588867 | 592 | return -1; |
043a4492 | 593 | |
e1ff0a32 | 594 | repo_read_index(r); |
043a4492 | 595 | |
0d6caa2d | 596 | init_merge_options(&o, r); |
043a4492 RR |
597 | o.ancestor = base ? base_label : "(empty tree)"; |
598 | o.branch1 = "HEAD"; | |
599 | o.branch2 = next ? next_label : "(empty tree)"; | |
62fdb652 JS |
600 | if (is_rebase_i(opts)) |
601 | o.buffer_output = 2; | |
9268cf4a | 602 | o.show_rename_progress = 1; |
043a4492 RR |
603 | |
604 | head_tree = parse_tree_indirect(head); | |
005af339 NTND |
605 | next_tree = next ? get_commit_tree(next) : empty_tree(r); |
606 | base_tree = base ? get_commit_tree(base) : empty_tree(r); | |
043a4492 RR |
607 | |
608 | for (xopt = opts->xopts; xopt != opts->xopts + opts->xopts_nr; xopt++) | |
609 | parse_merge_opt(&o, *xopt); | |
610 | ||
611 | clean = merge_trees(&o, | |
612 | head_tree, | |
613 | next_tree, base_tree, &result); | |
62fdb652 JS |
614 | if (is_rebase_i(opts) && clean <= 0) |
615 | fputs(o.obuf.buf, stdout); | |
548009c0 | 616 | strbuf_release(&o.obuf); |
b520abf1 | 617 | diff_warn_rename_limit("merge.renamelimit", o.needed_rename_limit, 0); |
64816524 MÅ |
618 | if (clean < 0) { |
619 | rollback_lock_file(&index_lock); | |
f241ff0d | 620 | return clean; |
64816524 | 621 | } |
043a4492 | 622 | |
f11c9580 | 623 | if (write_locked_index(r->index, &index_lock, |
61000814 | 624 | COMMIT_LOCK | SKIP_IF_UNCHANGED)) |
66f5f6dc ÆAB |
625 | /* |
626 | * TRANSLATORS: %s will be "revert", "cherry-pick" or | |
84583957 JS |
627 | * "rebase -i". |
628 | */ | |
c527b55e | 629 | return error(_("%s: Unable to write new index file"), |
c28cbc5e | 630 | _(action_name(opts))); |
043a4492 | 631 | |
75c961b7 | 632 | if (!clean) |
1a2b985f DL |
633 | append_conflicts_hint(r->index, msgbuf, |
634 | opts->default_msg_cleanup); | |
043a4492 RR |
635 | |
636 | return !clean; | |
637 | } | |
638 | ||
f11c9580 | 639 | static struct object_id *get_cache_tree_oid(struct index_state *istate) |
ba97aea1 | 640 | { |
f11c9580 NTND |
641 | if (!istate->cache_tree) |
642 | istate->cache_tree = cache_tree(); | |
ba97aea1 | 643 | |
f11c9580 NTND |
644 | if (!cache_tree_fully_valid(istate->cache_tree)) |
645 | if (cache_tree_update(istate, 0)) { | |
ba97aea1 JS |
646 | error(_("unable to update cache tree")); |
647 | return NULL; | |
648 | } | |
649 | ||
f11c9580 | 650 | return &istate->cache_tree->oid; |
ba97aea1 JS |
651 | } |
652 | ||
005af339 | 653 | static int is_index_unchanged(struct repository *r) |
b27cfb0d | 654 | { |
ba97aea1 | 655 | struct object_id head_oid, *cache_tree_oid; |
b27cfb0d | 656 | struct commit *head_commit; |
005af339 | 657 | struct index_state *istate = r->index; |
b27cfb0d | 658 | |
49e61479 | 659 | if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL)) |
aee42e1f | 660 | return error(_("could not resolve HEAD commit")); |
b27cfb0d | 661 | |
005af339 | 662 | head_commit = lookup_commit(r, &head_oid); |
4b580061 NH |
663 | |
664 | /* | |
665 | * If head_commit is NULL, check_commit, called from | |
666 | * lookup_commit, would have indicated that head_commit is not | |
667 | * a commit object already. parse_commit() will return failure | |
668 | * without further complaints in such a case. Otherwise, if | |
669 | * the commit is invalid, parse_commit() will complain. So | |
670 | * there is nothing for us to say here. Just return failure. | |
671 | */ | |
672 | if (parse_commit(head_commit)) | |
673 | return -1; | |
b27cfb0d | 674 | |
f11c9580 | 675 | if (!(cache_tree_oid = get_cache_tree_oid(istate))) |
ba97aea1 | 676 | return -1; |
b27cfb0d | 677 | |
4a7e27e9 | 678 | return oideq(cache_tree_oid, get_commit_tree_oid(head_commit)); |
b27cfb0d NH |
679 | } |
680 | ||
0473f28a JS |
681 | static int write_author_script(const char *message) |
682 | { | |
683 | struct strbuf buf = STRBUF_INIT; | |
684 | const char *eol; | |
685 | int res; | |
686 | ||
687 | for (;;) | |
688 | if (!*message || starts_with(message, "\n")) { | |
689 | missing_author: | |
690 | /* Missing 'author' line? */ | |
691 | unlink(rebase_path_author_script()); | |
692 | return 0; | |
693 | } else if (skip_prefix(message, "author ", &message)) | |
694 | break; | |
695 | else if ((eol = strchr(message, '\n'))) | |
696 | message = eol + 1; | |
697 | else | |
698 | goto missing_author; | |
699 | ||
700 | strbuf_addstr(&buf, "GIT_AUTHOR_NAME='"); | |
701 | while (*message && *message != '\n' && *message != '\r') | |
702 | if (skip_prefix(message, " <", &message)) | |
703 | break; | |
704 | else if (*message != '\'') | |
705 | strbuf_addch(&buf, *(message++)); | |
706 | else | |
4aa5ff94 | 707 | strbuf_addf(&buf, "'\\%c'", *(message++)); |
0473f28a JS |
708 | strbuf_addstr(&buf, "'\nGIT_AUTHOR_EMAIL='"); |
709 | while (*message && *message != '\n' && *message != '\r') | |
710 | if (skip_prefix(message, "> ", &message)) | |
711 | break; | |
712 | else if (*message != '\'') | |
713 | strbuf_addch(&buf, *(message++)); | |
714 | else | |
4aa5ff94 | 715 | strbuf_addf(&buf, "'\\%c'", *(message++)); |
0473f28a JS |
716 | strbuf_addstr(&buf, "'\nGIT_AUTHOR_DATE='@"); |
717 | while (*message && *message != '\n' && *message != '\r') | |
718 | if (*message != '\'') | |
719 | strbuf_addch(&buf, *(message++)); | |
720 | else | |
4aa5ff94 | 721 | strbuf_addf(&buf, "'\\%c'", *(message++)); |
0f16c09a | 722 | strbuf_addch(&buf, '\''); |
0473f28a JS |
723 | res = write_message(buf.buf, buf.len, rebase_path_author_script(), 1); |
724 | strbuf_release(&buf); | |
725 | return res; | |
726 | } | |
727 | ||
bcd33ec2 PW |
728 | /** |
729 | * Take a series of KEY='VALUE' lines where VALUE part is | |
730 | * sq-quoted, and append <KEY, VALUE> at the end of the string list | |
731 | */ | |
732 | static int parse_key_value_squoted(char *buf, struct string_list *list) | |
733 | { | |
734 | while (*buf) { | |
735 | struct string_list_item *item; | |
736 | char *np; | |
737 | char *cp = strchr(buf, '='); | |
738 | if (!cp) { | |
739 | np = strchrnul(buf, '\n'); | |
740 | return error(_("no key present in '%.*s'"), | |
741 | (int) (np - buf), buf); | |
742 | } | |
743 | np = strchrnul(cp, '\n'); | |
744 | *cp++ = '\0'; | |
745 | item = string_list_append(list, buf); | |
746 | ||
747 | buf = np + (*np == '\n'); | |
748 | *np = '\0'; | |
749 | cp = sq_dequote(cp); | |
750 | if (!cp) | |
751 | return error(_("unable to dequote value of '%s'"), | |
752 | item->string); | |
753 | item->util = xstrdup(cp); | |
754 | } | |
755 | return 0; | |
756 | } | |
4aa5ff94 | 757 | |
bcd33ec2 PW |
758 | /** |
759 | * Reads and parses the state directory's "author-script" file, and sets name, | |
760 | * email and date accordingly. | |
761 | * Returns 0 on success, -1 if the file could not be parsed. | |
762 | * | |
763 | * The author script is of the format: | |
764 | * | |
765 | * GIT_AUTHOR_NAME='$author_name' | |
766 | * GIT_AUTHOR_EMAIL='$author_email' | |
767 | * GIT_AUTHOR_DATE='$author_date' | |
768 | * | |
769 | * where $author_name, $author_email and $author_date are quoted. We are strict | |
770 | * with our parsing, as the file was meant to be eval'd in the old | |
771 | * git-am.sh/git-rebase--interactive.sh scripts, and thus if the file differs | |
772 | * from what this function expects, it is better to bail out than to do | |
773 | * something that the user does not expect. | |
4aa5ff94 | 774 | */ |
bcd33ec2 PW |
775 | int read_author_script(const char *path, char **name, char **email, char **date, |
776 | int allow_missing) | |
4aa5ff94 | 777 | { |
bcd33ec2 PW |
778 | struct strbuf buf = STRBUF_INIT; |
779 | struct string_list kv = STRING_LIST_INIT_DUP; | |
780 | int retval = -1; /* assume failure */ | |
781 | int i, name_i = -2, email_i = -2, date_i = -2, err = 0; | |
4aa5ff94 | 782 | |
bcd33ec2 PW |
783 | if (strbuf_read_file(&buf, path, 256) <= 0) { |
784 | strbuf_release(&buf); | |
785 | if (errno == ENOENT && allow_missing) | |
786 | return 0; | |
787 | else | |
788 | return error_errno(_("could not open '%s' for reading"), | |
789 | path); | |
790 | } | |
791 | ||
792 | if (parse_key_value_squoted(buf.buf, &kv)) | |
793 | goto finish; | |
794 | ||
795 | for (i = 0; i < kv.nr; i++) { | |
796 | if (!strcmp(kv.items[i].string, "GIT_AUTHOR_NAME")) { | |
797 | if (name_i != -2) | |
798 | name_i = error(_("'GIT_AUTHOR_NAME' already given")); | |
799 | else | |
800 | name_i = i; | |
801 | } else if (!strcmp(kv.items[i].string, "GIT_AUTHOR_EMAIL")) { | |
802 | if (email_i != -2) | |
803 | email_i = error(_("'GIT_AUTHOR_EMAIL' already given")); | |
804 | else | |
805 | email_i = i; | |
806 | } else if (!strcmp(kv.items[i].string, "GIT_AUTHOR_DATE")) { | |
807 | if (date_i != -2) | |
808 | date_i = error(_("'GIT_AUTHOR_DATE' already given")); | |
809 | else | |
810 | date_i = i; | |
811 | } else { | |
812 | err = error(_("unknown variable '%s'"), | |
813 | kv.items[i].string); | |
814 | } | |
815 | } | |
816 | if (name_i == -2) | |
817 | error(_("missing 'GIT_AUTHOR_NAME'")); | |
818 | if (email_i == -2) | |
819 | error(_("missing 'GIT_AUTHOR_EMAIL'")); | |
820 | if (date_i == -2) | |
821 | error(_("missing 'GIT_AUTHOR_DATE'")); | |
822 | if (date_i < 0 || email_i < 0 || date_i < 0 || err) | |
823 | goto finish; | |
824 | *name = kv.items[name_i].util; | |
825 | *email = kv.items[email_i].util; | |
826 | *date = kv.items[date_i].util; | |
827 | retval = 0; | |
828 | finish: | |
829 | string_list_clear(&kv, !!retval); | |
830 | strbuf_release(&buf); | |
831 | return retval; | |
4aa5ff94 PW |
832 | } |
833 | ||
b5a67045 | 834 | /* |
4d010a75 PW |
835 | * Read a GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL AND GIT_AUTHOR_DATE from a |
836 | * file with shell quoting into struct argv_array. Returns -1 on | |
837 | * error, 0 otherwise. | |
b5a67045 | 838 | */ |
a2a20b0d | 839 | static int read_env_script(struct argv_array *env) |
b5a67045 | 840 | { |
4d010a75 | 841 | char *name, *email, *date; |
b5a67045 | 842 | |
4d010a75 PW |
843 | if (read_author_script(rebase_path_author_script(), |
844 | &name, &email, &date, 0)) | |
a2a20b0d | 845 | return -1; |
b5a67045 | 846 | |
4d010a75 PW |
847 | argv_array_pushf(env, "GIT_AUTHOR_NAME=%s", name); |
848 | argv_array_pushf(env, "GIT_AUTHOR_EMAIL=%s", email); | |
849 | argv_array_pushf(env, "GIT_AUTHOR_DATE=%s", date); | |
850 | free(name); | |
851 | free(email); | |
852 | free(date); | |
b5a67045 | 853 | |
a2a20b0d | 854 | return 0; |
b5a67045 JS |
855 | } |
856 | ||
356ee465 PW |
857 | static char *get_author(const char *message) |
858 | { | |
859 | size_t len; | |
860 | const char *a; | |
861 | ||
862 | a = find_commit_header(message, "author", &len); | |
863 | if (a) | |
864 | return xmemdupz(a, len); | |
865 | ||
866 | return NULL; | |
867 | } | |
868 | ||
d87d48b2 JS |
869 | /* Read author-script and return an ident line (author <email> timestamp) */ |
870 | static const char *read_author_ident(struct strbuf *buf) | |
871 | { | |
67f16e3d | 872 | struct strbuf out = STRBUF_INIT; |
4d010a75 | 873 | char *name, *email, *date; |
d87d48b2 | 874 | |
4d010a75 PW |
875 | if (read_author_script(rebase_path_author_script(), |
876 | &name, &email, &date, 0)) | |
d87d48b2 JS |
877 | return NULL; |
878 | ||
5522bbac | 879 | /* validate date since fmt_ident() will die() on bad value */ |
4d010a75 | 880 | if (parse_date(date, &out)){ |
5522bbac | 881 | warning(_("invalid date format '%s' in '%s'"), |
4d010a75 | 882 | date, rebase_path_author_script()); |
5522bbac ES |
883 | strbuf_release(&out); |
884 | return NULL; | |
885 | } | |
886 | ||
887 | strbuf_reset(&out); | |
39ab4d09 | 888 | strbuf_addstr(&out, fmt_ident(name, email, WANT_AUTHOR_IDENT, date, 0)); |
67f16e3d ES |
889 | strbuf_swap(buf, &out); |
890 | strbuf_release(&out); | |
4d010a75 PW |
891 | free(name); |
892 | free(email); | |
893 | free(date); | |
d87d48b2 JS |
894 | return buf->buf; |
895 | } | |
896 | ||
791eb870 JS |
897 | static const char staged_changes_advice[] = |
898 | N_("you have staged changes in your working tree\n" | |
899 | "If these changes are meant to be squashed into the previous commit, run:\n" | |
900 | "\n" | |
901 | " git commit --amend %s\n" | |
902 | "\n" | |
903 | "If they are meant to go into a new commit, run:\n" | |
904 | "\n" | |
905 | " git commit %s\n" | |
906 | "\n" | |
907 | "In both cases, once you're done, continue with:\n" | |
908 | "\n" | |
909 | " git rebase --continue\n"); | |
910 | ||
789b3eff JS |
911 | #define ALLOW_EMPTY (1<<0) |
912 | #define EDIT_MSG (1<<1) | |
913 | #define AMEND_MSG (1<<2) | |
914 | #define CLEANUP_MSG (1<<3) | |
b92ff6e8 | 915 | #define VERIFY_MSG (1<<4) |
d87d48b2 | 916 | #define CREATE_ROOT_COMMIT (1<<5) |
789b3eff | 917 | |
34bec2c4 AG |
918 | static int run_command_silent_on_success(struct child_process *cmd) |
919 | { | |
920 | struct strbuf buf = STRBUF_INIT; | |
921 | int rc; | |
922 | ||
923 | cmd->stdout_to_stderr = 1; | |
924 | rc = pipe_command(cmd, | |
925 | NULL, 0, | |
926 | NULL, 0, | |
927 | &buf, 0); | |
928 | ||
929 | if (rc) | |
930 | fputs(buf.buf, stderr); | |
931 | strbuf_release(&buf); | |
932 | return rc; | |
933 | } | |
934 | ||
043a4492 RR |
935 | /* |
936 | * If we are cherry-pick, and if the merge did not result in | |
937 | * hand-editing, we will hit this commit and inherit the original | |
938 | * author date and name. | |
b5a67045 | 939 | * |
043a4492 RR |
940 | * If we are revert, or if our cherry-pick results in a hand merge, |
941 | * we had better say that the current user is responsible for that. | |
b5a67045 JS |
942 | * |
943 | * An exception is when run_git_commit() is called during an | |
944 | * interactive rebase: in that case, we will want to retain the | |
945 | * author metadata. | |
043a4492 | 946 | */ |
f11c9580 NTND |
947 | static int run_git_commit(struct repository *r, |
948 | const char *defmsg, | |
949 | struct replay_opts *opts, | |
789b3eff | 950 | unsigned int flags) |
043a4492 | 951 | { |
07d968ef | 952 | struct child_process cmd = CHILD_PROCESS_INIT; |
b27cfb0d | 953 | |
76fda6eb | 954 | if ((flags & CREATE_ROOT_COMMIT) && !(flags & AMEND_MSG)) { |
d87d48b2 | 955 | struct strbuf msg = STRBUF_INIT, script = STRBUF_INIT; |
5dfcfe1e | 956 | const char *author = NULL; |
d87d48b2 JS |
957 | struct object_id root_commit, *cache_tree_oid; |
958 | int res = 0; | |
959 | ||
5dfcfe1e PW |
960 | if (is_rebase_i(opts)) { |
961 | author = read_author_ident(&script); | |
962 | if (!author) { | |
963 | strbuf_release(&script); | |
964 | return -1; | |
965 | } | |
966 | } | |
967 | ||
d87d48b2 JS |
968 | if (!defmsg) |
969 | BUG("root commit without message"); | |
970 | ||
f11c9580 | 971 | if (!(cache_tree_oid = get_cache_tree_oid(r->index))) |
d87d48b2 JS |
972 | res = -1; |
973 | ||
974 | if (!res) | |
975 | res = strbuf_read_file(&msg, defmsg, 0); | |
976 | ||
977 | if (res <= 0) | |
978 | res = error_errno(_("could not read '%s'"), defmsg); | |
979 | else | |
980 | res = commit_tree(msg.buf, msg.len, cache_tree_oid, | |
981 | NULL, &root_commit, author, | |
982 | opts->gpg_sign); | |
983 | ||
984 | strbuf_release(&msg); | |
985 | strbuf_release(&script); | |
986 | if (!res) { | |
987 | update_ref(NULL, "CHERRY_PICK_HEAD", &root_commit, NULL, | |
988 | REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR); | |
989 | res = update_ref(NULL, "HEAD", &root_commit, NULL, 0, | |
990 | UPDATE_REFS_MSG_ON_ERR); | |
991 | } | |
992 | return res < 0 ? error(_("writing root commit")) : 0; | |
993 | } | |
994 | ||
07d968ef JS |
995 | cmd.git_cmd = 1; |
996 | ||
34bec2c4 AG |
997 | if (is_rebase_i(opts) && read_env_script(&cmd.env_array)) { |
998 | const char *gpg_opt = gpg_sign_opt_quoted(opts); | |
a1c75762 | 999 | |
34bec2c4 AG |
1000 | return error(_(staged_changes_advice), |
1001 | gpg_opt, gpg_opt); | |
b5a67045 JS |
1002 | } |
1003 | ||
07d968ef | 1004 | argv_array_push(&cmd.args, "commit"); |
043a4492 | 1005 | |
b92ff6e8 JS |
1006 | if (!(flags & VERIFY_MSG)) |
1007 | argv_array_push(&cmd.args, "-n"); | |
789b3eff | 1008 | if ((flags & AMEND_MSG)) |
07d968ef | 1009 | argv_array_push(&cmd.args, "--amend"); |
3bdd5522 | 1010 | if (opts->gpg_sign) |
07d968ef | 1011 | argv_array_pushf(&cmd.args, "-S%s", opts->gpg_sign); |
b5a67045 | 1012 | if (defmsg) |
07d968ef | 1013 | argv_array_pushl(&cmd.args, "-F", defmsg, NULL); |
dc4b5bc3 JS |
1014 | else if (!(flags & EDIT_MSG)) |
1015 | argv_array_pushl(&cmd.args, "-C", "HEAD", NULL); | |
789b3eff | 1016 | if ((flags & CLEANUP_MSG)) |
07d968ef | 1017 | argv_array_push(&cmd.args, "--cleanup=strip"); |
789b3eff | 1018 | if ((flags & EDIT_MSG)) |
07d968ef | 1019 | argv_array_push(&cmd.args, "-e"); |
789b3eff | 1020 | else if (!(flags & CLEANUP_MSG) && |
0009426d | 1021 | !opts->signoff && !opts->record_origin && |
1a2b985f | 1022 | !opts->explicit_cleanup) |
07d968ef | 1023 | argv_array_push(&cmd.args, "--cleanup=verbatim"); |
b27cfb0d | 1024 | |
789b3eff | 1025 | if ((flags & ALLOW_EMPTY)) |
07d968ef | 1026 | argv_array_push(&cmd.args, "--allow-empty"); |
df478b74 | 1027 | |
a3ec9eaf | 1028 | if (!(flags & EDIT_MSG)) |
07d968ef | 1029 | argv_array_push(&cmd.args, "--allow-empty-message"); |
4bee9584 | 1030 | |
34bec2c4 AG |
1031 | if (is_rebase_i(opts) && !(flags & EDIT_MSG)) |
1032 | return run_command_silent_on_success(&cmd); | |
1033 | else | |
1034 | return run_command(&cmd); | |
b27cfb0d NH |
1035 | } |
1036 | ||
d0aaa46f PW |
1037 | static int rest_is_empty(const struct strbuf *sb, int start) |
1038 | { | |
1039 | int i, eol; | |
1040 | const char *nl; | |
1041 | ||
1042 | /* Check if the rest is just whitespace and Signed-off-by's. */ | |
1043 | for (i = start; i < sb->len; i++) { | |
1044 | nl = memchr(sb->buf + i, '\n', sb->len - i); | |
1045 | if (nl) | |
1046 | eol = nl - sb->buf; | |
1047 | else | |
1048 | eol = sb->len; | |
1049 | ||
1050 | if (strlen(sign_off_header) <= eol - i && | |
1051 | starts_with(sb->buf + i, sign_off_header)) { | |
1052 | i = eol; | |
1053 | continue; | |
1054 | } | |
1055 | while (i < eol) | |
1056 | if (!isspace(sb->buf[i++])) | |
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | return 1; | |
1061 | } | |
1062 | ||
f29cd862 DL |
1063 | void cleanup_message(struct strbuf *msgbuf, |
1064 | enum commit_msg_cleanup_mode cleanup_mode, int verbose) | |
1065 | { | |
1066 | if (verbose || /* Truncate the message just before the diff, if any. */ | |
1067 | cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) | |
1068 | strbuf_setlen(msgbuf, wt_status_locate_end(msgbuf->buf, msgbuf->len)); | |
1069 | if (cleanup_mode != COMMIT_MSG_CLEANUP_NONE) | |
1070 | strbuf_stripspace(msgbuf, cleanup_mode == COMMIT_MSG_CLEANUP_ALL); | |
1071 | } | |
1072 | ||
d0aaa46f PW |
1073 | /* |
1074 | * Find out if the message in the strbuf contains only whitespace and | |
1075 | * Signed-off-by lines. | |
1076 | */ | |
1077 | int message_is_empty(const struct strbuf *sb, | |
1078 | enum commit_msg_cleanup_mode cleanup_mode) | |
1079 | { | |
1080 | if (cleanup_mode == COMMIT_MSG_CLEANUP_NONE && sb->len) | |
1081 | return 0; | |
1082 | return rest_is_empty(sb, 0); | |
1083 | } | |
1084 | ||
1085 | /* | |
1086 | * See if the user edited the message in the editor or left what | |
1087 | * was in the template intact | |
1088 | */ | |
1089 | int template_untouched(const struct strbuf *sb, const char *template_file, | |
1090 | enum commit_msg_cleanup_mode cleanup_mode) | |
1091 | { | |
1092 | struct strbuf tmpl = STRBUF_INIT; | |
1093 | const char *start; | |
1094 | ||
1095 | if (cleanup_mode == COMMIT_MSG_CLEANUP_NONE && sb->len) | |
1096 | return 0; | |
1097 | ||
1098 | if (!template_file || strbuf_read_file(&tmpl, template_file, 0) <= 0) | |
1099 | return 0; | |
1100 | ||
1101 | strbuf_stripspace(&tmpl, cleanup_mode == COMMIT_MSG_CLEANUP_ALL); | |
1102 | if (!skip_prefix(sb->buf, tmpl.buf, &start)) | |
1103 | start = sb->buf; | |
1104 | strbuf_release(&tmpl); | |
1105 | return rest_is_empty(sb, start - sb->buf); | |
1106 | } | |
1107 | ||
0505d604 PW |
1108 | int update_head_with_reflog(const struct commit *old_head, |
1109 | const struct object_id *new_head, | |
1110 | const char *action, const struct strbuf *msg, | |
1111 | struct strbuf *err) | |
1112 | { | |
1113 | struct ref_transaction *transaction; | |
1114 | struct strbuf sb = STRBUF_INIT; | |
1115 | const char *nl; | |
1116 | int ret = 0; | |
1117 | ||
1118 | if (action) { | |
1119 | strbuf_addstr(&sb, action); | |
1120 | strbuf_addstr(&sb, ": "); | |
1121 | } | |
1122 | ||
1123 | nl = strchr(msg->buf, '\n'); | |
1124 | if (nl) { | |
1125 | strbuf_add(&sb, msg->buf, nl + 1 - msg->buf); | |
1126 | } else { | |
1127 | strbuf_addbuf(&sb, msg); | |
1128 | strbuf_addch(&sb, '\n'); | |
1129 | } | |
1130 | ||
1131 | transaction = ref_transaction_begin(err); | |
1132 | if (!transaction || | |
1133 | ref_transaction_update(transaction, "HEAD", new_head, | |
1134 | old_head ? &old_head->object.oid : &null_oid, | |
1135 | 0, sb.buf, err) || | |
1136 | ref_transaction_commit(transaction, err)) { | |
1137 | ret = -1; | |
1138 | } | |
1139 | ref_transaction_free(transaction); | |
1140 | strbuf_release(&sb); | |
1141 | ||
1142 | return ret; | |
1143 | } | |
1144 | ||
a87a6f3c PW |
1145 | static int run_rewrite_hook(const struct object_id *oldoid, |
1146 | const struct object_id *newoid) | |
1147 | { | |
1148 | struct child_process proc = CHILD_PROCESS_INIT; | |
1149 | const char *argv[3]; | |
1150 | int code; | |
1151 | struct strbuf sb = STRBUF_INIT; | |
1152 | ||
1153 | argv[0] = find_hook("post-rewrite"); | |
1154 | if (!argv[0]) | |
1155 | return 0; | |
1156 | ||
1157 | argv[1] = "amend"; | |
1158 | argv[2] = NULL; | |
1159 | ||
1160 | proc.argv = argv; | |
1161 | proc.in = -1; | |
1162 | proc.stdout_to_stderr = 1; | |
6206286e | 1163 | proc.trace2_hook_name = "post-rewrite"; |
a87a6f3c PW |
1164 | |
1165 | code = start_command(&proc); | |
1166 | if (code) | |
1167 | return code; | |
1168 | strbuf_addf(&sb, "%s %s\n", oid_to_hex(oldoid), oid_to_hex(newoid)); | |
1169 | sigchain_push(SIGPIPE, SIG_IGN); | |
1170 | write_in_full(proc.in, sb.buf, sb.len); | |
1171 | close(proc.in); | |
1172 | strbuf_release(&sb); | |
1173 | sigchain_pop(SIGPIPE); | |
1174 | return finish_command(&proc); | |
1175 | } | |
1176 | ||
1d18d758 NTND |
1177 | void commit_post_rewrite(struct repository *r, |
1178 | const struct commit *old_head, | |
a87a6f3c PW |
1179 | const struct object_id *new_head) |
1180 | { | |
1181 | struct notes_rewrite_cfg *cfg; | |
1182 | ||
1183 | cfg = init_copy_notes_for_rewrite("amend"); | |
1184 | if (cfg) { | |
1185 | /* we are amending, so old_head is not NULL */ | |
1186 | copy_note_for_rewrite(cfg, &old_head->object.oid, new_head); | |
1d18d758 | 1187 | finish_copy_notes_for_rewrite(r, cfg, "Notes added by 'git commit --amend'"); |
a87a6f3c PW |
1188 | } |
1189 | run_rewrite_hook(&old_head->object.oid, new_head); | |
1190 | } | |
1191 | ||
f11c9580 NTND |
1192 | static int run_prepare_commit_msg_hook(struct repository *r, |
1193 | struct strbuf *msg, | |
1194 | const char *commit) | |
66618a50 PW |
1195 | { |
1196 | struct argv_array hook_env = ARGV_ARRAY_INIT; | |
1197 | int ret; | |
1198 | const char *name; | |
1199 | ||
1200 | name = git_path_commit_editmsg(); | |
1201 | if (write_message(msg->buf, msg->len, name, 0)) | |
1202 | return -1; | |
1203 | ||
f11c9580 | 1204 | argv_array_pushf(&hook_env, "GIT_INDEX_FILE=%s", r->index_file); |
66618a50 PW |
1205 | argv_array_push(&hook_env, "GIT_EDITOR=:"); |
1206 | if (commit) | |
1207 | ret = run_hook_le(hook_env.argv, "prepare-commit-msg", name, | |
1208 | "commit", commit, NULL); | |
1209 | else | |
1210 | ret = run_hook_le(hook_env.argv, "prepare-commit-msg", name, | |
1211 | "message", NULL); | |
1212 | if (ret) | |
1213 | ret = error(_("'prepare-commit-msg' hook failed")); | |
1214 | argv_array_clear(&hook_env); | |
1215 | ||
1216 | return ret; | |
1217 | } | |
1218 | ||
e47c6caf PW |
1219 | static const char implicit_ident_advice_noconfig[] = |
1220 | N_("Your name and email address were configured automatically based\n" | |
1221 | "on your username and hostname. Please check that they are accurate.\n" | |
1222 | "You can suppress this message by setting them explicitly. Run the\n" | |
1223 | "following command and follow the instructions in your editor to edit\n" | |
1224 | "your configuration file:\n" | |
1225 | "\n" | |
1226 | " git config --global --edit\n" | |
1227 | "\n" | |
1228 | "After doing this, you may fix the identity used for this commit with:\n" | |
1229 | "\n" | |
1230 | " git commit --amend --reset-author\n"); | |
1231 | ||
1232 | static const char implicit_ident_advice_config[] = | |
1233 | N_("Your name and email address were configured automatically based\n" | |
1234 | "on your username and hostname. Please check that they are accurate.\n" | |
1235 | "You can suppress this message by setting them explicitly:\n" | |
1236 | "\n" | |
1237 | " git config --global user.name \"Your Name\"\n" | |
1238 | " git config --global user.email you@example.com\n" | |
1239 | "\n" | |
1240 | "After doing this, you may fix the identity used for this commit with:\n" | |
1241 | "\n" | |
1242 | " git commit --amend --reset-author\n"); | |
1243 | ||
1244 | static const char *implicit_ident_advice(void) | |
1245 | { | |
1246 | char *user_config = expand_user_path("~/.gitconfig", 0); | |
1247 | char *xdg_config = xdg_config_home("config"); | |
1248 | int config_exists = file_exists(user_config) || file_exists(xdg_config); | |
1249 | ||
1250 | free(user_config); | |
1251 | free(xdg_config); | |
1252 | ||
1253 | if (config_exists) | |
1254 | return _(implicit_ident_advice_config); | |
1255 | else | |
1256 | return _(implicit_ident_advice_noconfig); | |
1257 | ||
1258 | } | |
1259 | ||
f11c9580 NTND |
1260 | void print_commit_summary(struct repository *r, |
1261 | const char *prefix, | |
1262 | const struct object_id *oid, | |
e47c6caf PW |
1263 | unsigned int flags) |
1264 | { | |
1265 | struct rev_info rev; | |
1266 | struct commit *commit; | |
1267 | struct strbuf format = STRBUF_INIT; | |
1268 | const char *head; | |
1269 | struct pretty_print_context pctx = {0}; | |
1270 | struct strbuf author_ident = STRBUF_INIT; | |
1271 | struct strbuf committer_ident = STRBUF_INIT; | |
1272 | ||
f11c9580 | 1273 | commit = lookup_commit(r, oid); |
e47c6caf PW |
1274 | if (!commit) |
1275 | die(_("couldn't look up newly created commit")); | |
1276 | if (parse_commit(commit)) | |
1277 | die(_("could not parse newly created commit")); | |
1278 | ||
1279 | strbuf_addstr(&format, "format:%h] %s"); | |
1280 | ||
1281 | format_commit_message(commit, "%an <%ae>", &author_ident, &pctx); | |
1282 | format_commit_message(commit, "%cn <%ce>", &committer_ident, &pctx); | |
1283 | if (strbuf_cmp(&author_ident, &committer_ident)) { | |
1284 | strbuf_addstr(&format, "\n Author: "); | |
1285 | strbuf_addbuf_percentquote(&format, &author_ident); | |
1286 | } | |
1287 | if (flags & SUMMARY_SHOW_AUTHOR_DATE) { | |
1288 | struct strbuf date = STRBUF_INIT; | |
1289 | ||
1290 | format_commit_message(commit, "%ad", &date, &pctx); | |
1291 | strbuf_addstr(&format, "\n Date: "); | |
1292 | strbuf_addbuf_percentquote(&format, &date); | |
1293 | strbuf_release(&date); | |
1294 | } | |
1295 | if (!committer_ident_sufficiently_given()) { | |
1296 | strbuf_addstr(&format, "\n Committer: "); | |
1297 | strbuf_addbuf_percentquote(&format, &committer_ident); | |
1298 | if (advice_implicit_identity) { | |
1299 | strbuf_addch(&format, '\n'); | |
1300 | strbuf_addstr(&format, implicit_ident_advice()); | |
1301 | } | |
1302 | } | |
1303 | strbuf_release(&author_ident); | |
1304 | strbuf_release(&committer_ident); | |
1305 | ||
f11c9580 | 1306 | repo_init_revisions(r, &rev, prefix); |
e47c6caf PW |
1307 | setup_revisions(0, NULL, &rev, NULL); |
1308 | ||
1309 | rev.diff = 1; | |
1310 | rev.diffopt.output_format = | |
1311 | DIFF_FORMAT_SHORTSTAT | DIFF_FORMAT_SUMMARY; | |
1312 | ||
1313 | rev.verbose_header = 1; | |
1314 | rev.show_root_diff = 1; | |
1315 | get_commit_format(format.buf, &rev); | |
1316 | rev.always_show_header = 0; | |
0f57f731 | 1317 | rev.diffopt.detect_rename = DIFF_DETECT_RENAME; |
e47c6caf PW |
1318 | rev.diffopt.break_opt = 0; |
1319 | diff_setup_done(&rev.diffopt); | |
1320 | ||
1321 | head = resolve_ref_unsafe("HEAD", 0, NULL, NULL); | |
1322 | if (!head) | |
1323 | die_errno(_("unable to resolve HEAD after creating commit")); | |
1324 | if (!strcmp(head, "HEAD")) | |
1325 | head = _("detached HEAD"); | |
1326 | else | |
1327 | skip_prefix(head, "refs/heads/", &head); | |
1328 | printf("[%s%s ", head, (flags & SUMMARY_INITIAL_COMMIT) ? | |
1329 | _(" (root-commit)") : ""); | |
1330 | ||
1331 | if (!log_tree_commit(&rev, commit)) { | |
1332 | rev.always_show_header = 1; | |
1333 | rev.use_terminator = 1; | |
1334 | log_tree_commit(&rev, commit); | |
1335 | } | |
1336 | ||
1337 | strbuf_release(&format); | |
1338 | } | |
1339 | ||
005af339 | 1340 | static int parse_head(struct repository *r, struct commit **head) |
356ee465 PW |
1341 | { |
1342 | struct commit *current_head; | |
1343 | struct object_id oid; | |
1344 | ||
1345 | if (get_oid("HEAD", &oid)) { | |
1346 | current_head = NULL; | |
1347 | } else { | |
005af339 | 1348 | current_head = lookup_commit_reference(r, &oid); |
356ee465 PW |
1349 | if (!current_head) |
1350 | return error(_("could not parse HEAD")); | |
9001dc2a | 1351 | if (!oideq(&oid, ¤t_head->object.oid)) { |
356ee465 PW |
1352 | warning(_("HEAD %s is not a commit!"), |
1353 | oid_to_hex(&oid)); | |
1354 | } | |
1355 | if (parse_commit(current_head)) | |
1356 | return error(_("could not parse HEAD commit")); | |
1357 | } | |
1358 | *head = current_head; | |
1359 | ||
1360 | return 0; | |
1361 | } | |
1362 | ||
1363 | /* | |
1364 | * Try to commit without forking 'git commit'. In some cases we need | |
1365 | * to run 'git commit' to display an error message | |
1366 | * | |
1367 | * Returns: | |
1368 | * -1 - error unable to commit | |
1369 | * 0 - success | |
1370 | * 1 - run 'git commit' | |
1371 | */ | |
f11c9580 NTND |
1372 | static int try_to_commit(struct repository *r, |
1373 | struct strbuf *msg, const char *author, | |
356ee465 PW |
1374 | struct replay_opts *opts, unsigned int flags, |
1375 | struct object_id *oid) | |
1376 | { | |
1377 | struct object_id tree; | |
1378 | struct commit *current_head; | |
1379 | struct commit_list *parents = NULL; | |
1380 | struct commit_extra_header *extra = NULL; | |
1381 | struct strbuf err = STRBUF_INIT; | |
66618a50 | 1382 | struct strbuf commit_msg = STRBUF_INIT; |
356ee465 | 1383 | char *amend_author = NULL; |
66618a50 | 1384 | const char *hook_commit = NULL; |
356ee465 PW |
1385 | enum commit_msg_cleanup_mode cleanup; |
1386 | int res = 0; | |
1387 | ||
005af339 | 1388 | if (parse_head(r, ¤t_head)) |
356ee465 PW |
1389 | return -1; |
1390 | ||
1391 | if (flags & AMEND_MSG) { | |
1392 | const char *exclude_gpgsig[] = { "gpgsig", NULL }; | |
1393 | const char *out_enc = get_commit_output_encoding(); | |
1394 | const char *message = logmsg_reencode(current_head, NULL, | |
1395 | out_enc); | |
1396 | ||
1397 | if (!msg) { | |
1398 | const char *orig_message = NULL; | |
1399 | ||
1400 | find_commit_subject(message, &orig_message); | |
66618a50 | 1401 | msg = &commit_msg; |
356ee465 | 1402 | strbuf_addstr(msg, orig_message); |
66618a50 | 1403 | hook_commit = "HEAD"; |
356ee465 PW |
1404 | } |
1405 | author = amend_author = get_author(message); | |
1406 | unuse_commit_buffer(current_head, message); | |
1407 | if (!author) { | |
1408 | res = error(_("unable to parse commit author")); | |
1409 | goto out; | |
1410 | } | |
1411 | parents = copy_commit_list(current_head->parents); | |
1412 | extra = read_commit_extra_headers(current_head, exclude_gpgsig); | |
1413 | } else if (current_head) { | |
1414 | commit_list_insert(current_head, &parents); | |
1415 | } | |
1416 | ||
f11c9580 | 1417 | if (write_index_as_tree(&tree, r->index, r->index_file, 0, NULL)) { |
356ee465 PW |
1418 | res = error(_("git write-tree failed to write a tree")); |
1419 | goto out; | |
1420 | } | |
1421 | ||
4a7e27e9 JK |
1422 | if (!(flags & ALLOW_EMPTY) && oideq(current_head ? |
1423 | get_commit_tree_oid(current_head) : | |
1424 | the_hash_algo->empty_tree, &tree)) { | |
356ee465 PW |
1425 | res = 1; /* run 'git commit' to display error message */ |
1426 | goto out; | |
1427 | } | |
1428 | ||
66618a50 | 1429 | if (find_hook("prepare-commit-msg")) { |
f11c9580 | 1430 | res = run_prepare_commit_msg_hook(r, msg, hook_commit); |
66618a50 PW |
1431 | if (res) |
1432 | goto out; | |
1433 | if (strbuf_read_file(&commit_msg, git_path_commit_editmsg(), | |
1434 | 2048) < 0) { | |
1435 | res = error_errno(_("unable to read commit message " | |
1436 | "from '%s'"), | |
1437 | git_path_commit_editmsg()); | |
1438 | goto out; | |
1439 | } | |
1440 | msg = &commit_msg; | |
1441 | } | |
1442 | ||
d74f3e58 PW |
1443 | if (flags & CLEANUP_MSG) |
1444 | cleanup = COMMIT_MSG_CLEANUP_ALL; | |
1445 | else if ((opts->signoff || opts->record_origin) && | |
1446 | !opts->explicit_cleanup) | |
1447 | cleanup = COMMIT_MSG_CLEANUP_SPACE; | |
1448 | else | |
1449 | cleanup = opts->default_msg_cleanup; | |
66618a50 PW |
1450 | |
1451 | if (cleanup != COMMIT_MSG_CLEANUP_NONE) | |
1452 | strbuf_stripspace(msg, cleanup == COMMIT_MSG_CLEANUP_ALL); | |
a3ec9eaf | 1453 | if ((flags & EDIT_MSG) && message_is_empty(msg, cleanup)) { |
66618a50 PW |
1454 | res = 1; /* run 'git commit' to display error message */ |
1455 | goto out; | |
1456 | } | |
1457 | ||
12f7babd JS |
1458 | reset_ident_date(); |
1459 | ||
8be8342b JH |
1460 | if (commit_tree_extended(msg->buf, msg->len, &tree, parents, |
1461 | oid, author, opts->gpg_sign, extra)) { | |
356ee465 PW |
1462 | res = error(_("failed to write commit object")); |
1463 | goto out; | |
1464 | } | |
1465 | ||
1466 | if (update_head_with_reflog(current_head, oid, | |
1467 | getenv("GIT_REFLOG_ACTION"), msg, &err)) { | |
1468 | res = error("%s", err.buf); | |
1469 | goto out; | |
1470 | } | |
1471 | ||
1472 | if (flags & AMEND_MSG) | |
1d18d758 | 1473 | commit_post_rewrite(r, current_head, oid); |
356ee465 PW |
1474 | |
1475 | out: | |
1476 | free_commit_extra_headers(extra); | |
1477 | strbuf_release(&err); | |
66618a50 | 1478 | strbuf_release(&commit_msg); |
356ee465 PW |
1479 | free(amend_author); |
1480 | ||
1481 | return res; | |
1482 | } | |
1483 | ||
f11c9580 NTND |
1484 | static int do_commit(struct repository *r, |
1485 | const char *msg_file, const char *author, | |
356ee465 PW |
1486 | struct replay_opts *opts, unsigned int flags) |
1487 | { | |
1488 | int res = 1; | |
1489 | ||
d87d48b2 JS |
1490 | if (!(flags & EDIT_MSG) && !(flags & VERIFY_MSG) && |
1491 | !(flags & CREATE_ROOT_COMMIT)) { | |
356ee465 PW |
1492 | struct object_id oid; |
1493 | struct strbuf sb = STRBUF_INIT; | |
1494 | ||
1495 | if (msg_file && strbuf_read_file(&sb, msg_file, 2048) < 0) | |
1496 | return error_errno(_("unable to read commit message " | |
1497 | "from '%s'"), | |
1498 | msg_file); | |
1499 | ||
f11c9580 NTND |
1500 | res = try_to_commit(r, msg_file ? &sb : NULL, |
1501 | author, opts, flags, &oid); | |
356ee465 PW |
1502 | strbuf_release(&sb); |
1503 | if (!res) { | |
f11c9580 NTND |
1504 | unlink(git_path_cherry_pick_head(r)); |
1505 | unlink(git_path_merge_msg(r)); | |
356ee465 | 1506 | if (!is_rebase_i(opts)) |
f11c9580 | 1507 | print_commit_summary(r, NULL, &oid, |
356ee465 PW |
1508 | SUMMARY_SHOW_AUTHOR_DATE); |
1509 | return res; | |
1510 | } | |
1511 | } | |
1512 | if (res == 1) | |
f11c9580 | 1513 | return run_git_commit(r, msg_file, opts, flags); |
356ee465 PW |
1514 | |
1515 | return res; | |
1516 | } | |
1517 | ||
b27cfb0d NH |
1518 | static int is_original_commit_empty(struct commit *commit) |
1519 | { | |
092bbcdf | 1520 | const struct object_id *ptree_oid; |
b27cfb0d NH |
1521 | |
1522 | if (parse_commit(commit)) | |
aee42e1f | 1523 | return error(_("could not parse commit %s"), |
f2fd0760 | 1524 | oid_to_hex(&commit->object.oid)); |
b27cfb0d NH |
1525 | if (commit->parents) { |
1526 | struct commit *parent = commit->parents->item; | |
1527 | if (parse_commit(parent)) | |
aee42e1f | 1528 | return error(_("could not parse parent commit %s"), |
f2fd0760 | 1529 | oid_to_hex(&parent->object.oid)); |
2e27bd77 | 1530 | ptree_oid = get_commit_tree_oid(parent); |
b27cfb0d | 1531 | } else { |
eb0ccfd7 | 1532 | ptree_oid = the_hash_algo->empty_tree; /* commit is root */ |
043a4492 | 1533 | } |
043a4492 | 1534 | |
4a7e27e9 | 1535 | return oideq(ptree_oid, get_commit_tree_oid(commit)); |
043a4492 RR |
1536 | } |
1537 | ||
ac2b0e8f JH |
1538 | /* |
1539 | * Do we run "git commit" with "--allow-empty"? | |
1540 | */ | |
f11c9580 NTND |
1541 | static int allow_empty(struct repository *r, |
1542 | struct replay_opts *opts, | |
1543 | struct commit *commit) | |
ac2b0e8f JH |
1544 | { |
1545 | int index_unchanged, empty_commit; | |
1546 | ||
1547 | /* | |
1548 | * Three cases: | |
1549 | * | |
1550 | * (1) we do not allow empty at all and error out. | |
1551 | * | |
1552 | * (2) we allow ones that were initially empty, but | |
1553 | * forbid the ones that become empty; | |
1554 | * | |
1555 | * (3) we allow both. | |
1556 | */ | |
1557 | if (!opts->allow_empty) | |
1558 | return 0; /* let "git commit" barf as necessary */ | |
1559 | ||
005af339 | 1560 | index_unchanged = is_index_unchanged(r); |
ac2b0e8f JH |
1561 | if (index_unchanged < 0) |
1562 | return index_unchanged; | |
1563 | if (!index_unchanged) | |
1564 | return 0; /* we do not have to say --allow-empty */ | |
1565 | ||
1566 | if (opts->keep_redundant_commits) | |
1567 | return 1; | |
1568 | ||
1569 | empty_commit = is_original_commit_empty(commit); | |
1570 | if (empty_commit < 0) | |
1571 | return empty_commit; | |
1572 | if (!empty_commit) | |
1573 | return 0; | |
1574 | else | |
1575 | return 1; | |
1576 | } | |
1577 | ||
414697a9 JS |
1578 | static struct { |
1579 | char c; | |
1580 | const char *str; | |
1581 | } todo_command_info[] = { | |
1582 | { 'p', "pick" }, | |
1583 | { 0, "revert" }, | |
1584 | { 'e', "edit" }, | |
04efc8b5 | 1585 | { 'r', "reword" }, |
414697a9 JS |
1586 | { 'f', "fixup" }, |
1587 | { 's', "squash" }, | |
1588 | { 'x', "exec" }, | |
71f82465 | 1589 | { 'b', "break" }, |
9055e401 JS |
1590 | { 'l', "label" }, |
1591 | { 't', "reset" }, | |
4c68e7dd | 1592 | { 'm', "merge" }, |
b3fdd581 | 1593 | { 0, "noop" }, |
ac191470 JS |
1594 | { 'd', "drop" }, |
1595 | { 0, NULL } | |
004fefa7 JS |
1596 | }; |
1597 | ||
1598 | static const char *command_to_string(const enum todo_command command) | |
1599 | { | |
ac191470 | 1600 | if (command < TODO_COMMENT) |
414697a9 | 1601 | return todo_command_info[command].str; |
02127c63 | 1602 | die(_("unknown command: %d"), command); |
004fefa7 JS |
1603 | } |
1604 | ||
ee5462d6 | 1605 | static char command_to_char(const enum todo_command command) |
d8ae6c84 LB |
1606 | { |
1607 | if (command < TODO_COMMENT && todo_command_info[command].c) | |
1608 | return todo_command_info[command].c; | |
1609 | return comment_line_char; | |
1610 | } | |
1611 | ||
25c43667 JS |
1612 | static int is_noop(const enum todo_command command) |
1613 | { | |
b3fdd581 | 1614 | return TODO_NOOP <= command; |
25c43667 | 1615 | } |
004fefa7 | 1616 | |
6e98de72 JS |
1617 | static int is_fixup(enum todo_command command) |
1618 | { | |
1619 | return command == TODO_FIXUP || command == TODO_SQUASH; | |
1620 | } | |
1621 | ||
d87d48b2 JS |
1622 | /* Does this command create a (non-merge) commit? */ |
1623 | static int is_pick_or_similar(enum todo_command command) | |
1624 | { | |
1625 | switch (command) { | |
1626 | case TODO_PICK: | |
1627 | case TODO_REVERT: | |
1628 | case TODO_EDIT: | |
1629 | case TODO_REWORD: | |
1630 | case TODO_FIXUP: | |
1631 | case TODO_SQUASH: | |
1632 | return 1; | |
1633 | default: | |
1634 | return 0; | |
1635 | } | |
1636 | } | |
1637 | ||
005af339 NTND |
1638 | static int update_squash_messages(struct repository *r, |
1639 | enum todo_command command, | |
1640 | struct commit *commit, | |
1641 | struct replay_opts *opts) | |
6e98de72 JS |
1642 | { |
1643 | struct strbuf buf = STRBUF_INIT; | |
e12a7ef5 | 1644 | int res; |
6e98de72 JS |
1645 | const char *message, *body; |
1646 | ||
e12a7ef5 | 1647 | if (opts->current_fixup_count > 0) { |
6e98de72 | 1648 | struct strbuf header = STRBUF_INIT; |
e12a7ef5 | 1649 | char *eol; |
6e98de72 | 1650 | |
e12a7ef5 | 1651 | if (strbuf_read_file(&buf, rebase_path_squash_msg(), 9) <= 0) |
6e98de72 JS |
1652 | return error(_("could not read '%s'"), |
1653 | rebase_path_squash_msg()); | |
1654 | ||
e12a7ef5 JS |
1655 | eol = buf.buf[0] != comment_line_char ? |
1656 | buf.buf : strchrnul(buf.buf, '\n'); | |
6e98de72 JS |
1657 | |
1658 | strbuf_addf(&header, "%c ", comment_line_char); | |
e12a7ef5 JS |
1659 | strbuf_addf(&header, _("This is a combination of %d commits."), |
1660 | opts->current_fixup_count + 2); | |
6e98de72 JS |
1661 | strbuf_splice(&buf, 0, eol - buf.buf, header.buf, header.len); |
1662 | strbuf_release(&header); | |
1663 | } else { | |
33d66df3 | 1664 | struct object_id head; |
6e98de72 JS |
1665 | struct commit *head_commit; |
1666 | const char *head_message, *body; | |
1667 | ||
33d66df3 | 1668 | if (get_oid("HEAD", &head)) |
6e98de72 | 1669 | return error(_("need a HEAD to fixup")); |
005af339 | 1670 | if (!(head_commit = lookup_commit_reference(r, &head))) |
6e98de72 JS |
1671 | return error(_("could not read HEAD")); |
1672 | if (!(head_message = get_commit_buffer(head_commit, NULL))) | |
1673 | return error(_("could not read HEAD's commit message")); | |
1674 | ||
1675 | find_commit_subject(head_message, &body); | |
1676 | if (write_message(body, strlen(body), | |
1677 | rebase_path_fixup_msg(), 0)) { | |
1678 | unuse_commit_buffer(head_commit, head_message); | |
1679 | return error(_("cannot write '%s'"), | |
1680 | rebase_path_fixup_msg()); | |
1681 | } | |
1682 | ||
6e98de72 | 1683 | strbuf_addf(&buf, "%c ", comment_line_char); |
e12a7ef5 | 1684 | strbuf_addf(&buf, _("This is a combination of %d commits."), 2); |
6e98de72 JS |
1685 | strbuf_addf(&buf, "\n%c ", comment_line_char); |
1686 | strbuf_addstr(&buf, _("This is the 1st commit message:")); | |
1687 | strbuf_addstr(&buf, "\n\n"); | |
1688 | strbuf_addstr(&buf, body); | |
1689 | ||
1690 | unuse_commit_buffer(head_commit, head_message); | |
1691 | } | |
1692 | ||
1693 | if (!(message = get_commit_buffer(commit, NULL))) | |
1694 | return error(_("could not read commit message of %s"), | |
1695 | oid_to_hex(&commit->object.oid)); | |
1696 | find_commit_subject(message, &body); | |
1697 | ||
1698 | if (command == TODO_SQUASH) { | |
1699 | unlink(rebase_path_fixup_msg()); | |
1700 | strbuf_addf(&buf, "\n%c ", comment_line_char); | |
e12a7ef5 | 1701 | strbuf_addf(&buf, _("This is the commit message #%d:"), |
dd2e36eb | 1702 | ++opts->current_fixup_count + 1); |
6e98de72 JS |
1703 | strbuf_addstr(&buf, "\n\n"); |
1704 | strbuf_addstr(&buf, body); | |
1705 | } else if (command == TODO_FIXUP) { | |
1706 | strbuf_addf(&buf, "\n%c ", comment_line_char); | |
1707 | strbuf_addf(&buf, _("The commit message #%d will be skipped:"), | |
dd2e36eb | 1708 | ++opts->current_fixup_count + 1); |
6e98de72 JS |
1709 | strbuf_addstr(&buf, "\n\n"); |
1710 | strbuf_add_commented_lines(&buf, body, strlen(body)); | |
1711 | } else | |
1712 | return error(_("unknown command: %d"), command); | |
1713 | unuse_commit_buffer(commit, message); | |
1714 | ||
1715 | res = write_message(buf.buf, buf.len, rebase_path_squash_msg(), 0); | |
1716 | strbuf_release(&buf); | |
e12a7ef5 JS |
1717 | |
1718 | if (!res) { | |
1719 | strbuf_addf(&opts->current_fixups, "%s%s %s", | |
1720 | opts->current_fixups.len ? "\n" : "", | |
1721 | command_to_string(command), | |
1722 | oid_to_hex(&commit->object.oid)); | |
1723 | res = write_message(opts->current_fixups.buf, | |
1724 | opts->current_fixups.len, | |
1725 | rebase_path_current_fixups(), 0); | |
1726 | } | |
1727 | ||
6e98de72 JS |
1728 | return res; |
1729 | } | |
1730 | ||
3b335762 NTND |
1731 | static void flush_rewritten_pending(void) |
1732 | { | |
25cb8df9 | 1733 | struct strbuf buf = STRBUF_INIT; |
092bbcdf | 1734 | struct object_id newoid; |
25cb8df9 JS |
1735 | FILE *out; |
1736 | ||
092bbcdf | 1737 | if (strbuf_read_file(&buf, rebase_path_rewritten_pending(), (GIT_MAX_HEXSZ + 1) * 2) > 0 && |
1738 | !get_oid("HEAD", &newoid) && | |
e9d983f1 | 1739 | (out = fopen_or_warn(rebase_path_rewritten_list(), "a"))) { |
25cb8df9 JS |
1740 | char *bol = buf.buf, *eol; |
1741 | ||
1742 | while (*bol) { | |
1743 | eol = strchrnul(bol, '\n'); | |
1744 | fprintf(out, "%.*s %s\n", (int)(eol - bol), | |
092bbcdf | 1745 | bol, oid_to_hex(&newoid)); |
25cb8df9 JS |
1746 | if (!*eol) |
1747 | break; | |
1748 | bol = eol + 1; | |
1749 | } | |
1750 | fclose(out); | |
1751 | unlink(rebase_path_rewritten_pending()); | |
1752 | } | |
1753 | strbuf_release(&buf); | |
1754 | } | |
1755 | ||
1756 | static void record_in_rewritten(struct object_id *oid, | |
3b335762 NTND |
1757 | enum todo_command next_command) |
1758 | { | |
e9d983f1 | 1759 | FILE *out = fopen_or_warn(rebase_path_rewritten_pending(), "a"); |
25cb8df9 JS |
1760 | |
1761 | if (!out) | |
1762 | return; | |
1763 | ||
1764 | fprintf(out, "%s\n", oid_to_hex(oid)); | |
1765 | fclose(out); | |
1766 | ||
1767 | if (!is_fixup(next_command)) | |
1768 | flush_rewritten_pending(); | |
1769 | } | |
1770 | ||
f11c9580 NTND |
1771 | static int do_pick_commit(struct repository *r, |
1772 | enum todo_command command, | |
1773 | struct commit *commit, | |
1774 | struct replay_opts *opts, | |
1775 | int final_fixup) | |
043a4492 | 1776 | { |
789b3eff | 1777 | unsigned int flags = opts->edit ? EDIT_MSG : 0; |
f11c9580 | 1778 | const char *msg_file = opts->edit ? NULL : git_path_merge_msg(r); |
ace976b2 | 1779 | struct object_id head; |
043a4492 RR |
1780 | struct commit *base, *next, *parent; |
1781 | const char *base_label, *next_label; | |
356ee465 | 1782 | char *author = NULL; |
d74a4e57 | 1783 | struct commit_message msg = { NULL, NULL, NULL, NULL }; |
043a4492 | 1784 | struct strbuf msgbuf = STRBUF_INIT; |
789b3eff | 1785 | int res, unborn = 0, allow; |
043a4492 RR |
1786 | |
1787 | if (opts->no_commit) { | |
1788 | /* | |
1789 | * We do not intend to commit immediately. We just want to | |
1790 | * merge the differences in, so let's compute the tree | |
1791 | * that represents the "current" state for merge-recursive | |
1792 | * to work on. | |
1793 | */ | |
f11c9580 | 1794 | if (write_index_as_tree(&head, r->index, r->index_file, 0, NULL)) |
93b3df6f | 1795 | return error(_("your index file is unmerged.")); |
043a4492 | 1796 | } else { |
ace976b2 | 1797 | unborn = get_oid("HEAD", &head); |
d87d48b2 JS |
1798 | /* Do we want to generate a root commit? */ |
1799 | if (is_pick_or_similar(command) && opts->have_squash_onto && | |
4a7e27e9 | 1800 | oideq(&head, &opts->squash_onto)) { |
d87d48b2 JS |
1801 | if (is_fixup(command)) |
1802 | return error(_("cannot fixup root commit")); | |
1803 | flags |= CREATE_ROOT_COMMIT; | |
1804 | unborn = 1; | |
1805 | } else if (unborn) | |
eb0ccfd7 | 1806 | oidcpy(&head, the_hash_algo->empty_tree); |
ffc00a48 | 1807 | if (index_differs_from(r, unborn ? empty_tree_oid_hex() : "HEAD", |
02f2f56b | 1808 | NULL, 0)) |
e1ff0a32 | 1809 | return error_dirty_index(r, opts); |
043a4492 | 1810 | } |
f11c9580 | 1811 | discard_index(r->index); |
043a4492 | 1812 | |
637666c8 | 1813 | if (!commit->parents) |
043a4492 | 1814 | parent = NULL; |
043a4492 RR |
1815 | else if (commit->parents->next) { |
1816 | /* Reverting or cherry-picking a merge commit */ | |
1817 | int cnt; | |
1818 | struct commit_list *p; | |
1819 | ||
1820 | if (!opts->mainline) | |
93b3df6f | 1821 | return error(_("commit %s is a merge but no -m option was given."), |
f2fd0760 | 1822 | oid_to_hex(&commit->object.oid)); |
043a4492 RR |
1823 | |
1824 | for (cnt = 1, p = commit->parents; | |
1825 | cnt != opts->mainline && p; | |
1826 | cnt++) | |
1827 | p = p->next; | |
1828 | if (cnt != opts->mainline || !p) | |
93b3df6f | 1829 | return error(_("commit %s does not have parent %d"), |
f2fd0760 | 1830 | oid_to_hex(&commit->object.oid), opts->mainline); |
043a4492 | 1831 | parent = p->item; |
37897bfc SO |
1832 | } else if (1 < opts->mainline) |
1833 | /* | |
1834 | * Non-first parent explicitly specified as mainline for | |
1835 | * non-merge commit | |
1836 | */ | |
1837 | return error(_("commit %s does not have parent %d"), | |
1838 | oid_to_hex(&commit->object.oid), opts->mainline); | |
043a4492 RR |
1839 | else |
1840 | parent = commit->parents->item; | |
1841 | ||
bcbb68be JS |
1842 | if (get_message(commit, &msg) != 0) |
1843 | return error(_("cannot get commit message for %s"), | |
1844 | oid_to_hex(&commit->object.oid)); | |
1845 | ||
6e98de72 | 1846 | if (opts->allow_ff && !is_fixup(command) && |
4a7e27e9 | 1847 | ((parent && oideq(&parent->object.oid, &head)) || |
bcbb68be JS |
1848 | (!parent && unborn))) { |
1849 | if (is_rebase_i(opts)) | |
1850 | write_author_script(msg.message); | |
f11c9580 | 1851 | res = fast_forward_to(r, &commit->object.oid, &head, unborn, |
bcbb68be JS |
1852 | opts); |
1853 | if (res || command != TODO_REWORD) | |
1854 | goto leave; | |
5f8f9277 | 1855 | flags |= EDIT_MSG | AMEND_MSG | VERIFY_MSG; |
bcbb68be JS |
1856 | msg_file = NULL; |
1857 | goto fast_forward_edit; | |
1858 | } | |
043a4492 | 1859 | if (parent && parse_commit(parent) < 0) |
004fefa7 JS |
1860 | /* TRANSLATORS: The first %s will be a "todo" command like |
1861 | "revert" or "pick", the second %s a SHA1. */ | |
043a4492 | 1862 | return error(_("%s: cannot parse parent commit %s"), |
004fefa7 JS |
1863 | command_to_string(command), |
1864 | oid_to_hex(&parent->object.oid)); | |
043a4492 | 1865 | |
043a4492 RR |
1866 | /* |
1867 | * "commit" is an existing commit. We would want to apply | |
1868 | * the difference it introduces since its first parent "prev" | |
1869 | * on top of the current HEAD if we are cherry-pick. Or the | |
1870 | * reverse of it if we are revert. | |
1871 | */ | |
1872 | ||
004fefa7 | 1873 | if (command == TODO_REVERT) { |
043a4492 RR |
1874 | base = commit; |
1875 | base_label = msg.label; | |
1876 | next = parent; | |
1877 | next_label = msg.parent_label; | |
1878 | strbuf_addstr(&msgbuf, "Revert \""); | |
1879 | strbuf_addstr(&msgbuf, msg.subject); | |
1880 | strbuf_addstr(&msgbuf, "\"\n\nThis reverts commit "); | |
f2fd0760 | 1881 | strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid)); |
043a4492 RR |
1882 | |
1883 | if (commit->parents && commit->parents->next) { | |
1884 | strbuf_addstr(&msgbuf, ", reversing\nchanges made to "); | |
f2fd0760 | 1885 | strbuf_addstr(&msgbuf, oid_to_hex(&parent->object.oid)); |
043a4492 RR |
1886 | } |
1887 | strbuf_addstr(&msgbuf, ".\n"); | |
1888 | } else { | |
1889 | const char *p; | |
1890 | ||
1891 | base = parent; | |
1892 | base_label = msg.parent_label; | |
1893 | next = commit; | |
1894 | next_label = msg.label; | |
1895 | ||
23aa5142 JS |
1896 | /* Append the commit log message to msgbuf. */ |
1897 | if (find_commit_subject(msg.message, &p)) | |
1898 | strbuf_addstr(&msgbuf, p); | |
043a4492 RR |
1899 | |
1900 | if (opts->record_origin) { | |
44dc738a | 1901 | strbuf_complete_line(&msgbuf); |
bab4d109 | 1902 | if (!has_conforming_footer(&msgbuf, NULL, 0)) |
b971e04f | 1903 | strbuf_addch(&msgbuf, '\n'); |
cd650a4e | 1904 | strbuf_addstr(&msgbuf, cherry_picked_prefix); |
f2fd0760 | 1905 | strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid)); |
043a4492 RR |
1906 | strbuf_addstr(&msgbuf, ")\n"); |
1907 | } | |
356ee465 PW |
1908 | if (!is_fixup(command)) |
1909 | author = get_author(msg.message); | |
043a4492 RR |
1910 | } |
1911 | ||
04efc8b5 | 1912 | if (command == TODO_REWORD) |
b92ff6e8 | 1913 | flags |= EDIT_MSG | VERIFY_MSG; |
04efc8b5 | 1914 | else if (is_fixup(command)) { |
005af339 | 1915 | if (update_squash_messages(r, command, commit, opts)) |
6e98de72 | 1916 | return -1; |
789b3eff | 1917 | flags |= AMEND_MSG; |
6e98de72 JS |
1918 | if (!final_fixup) |
1919 | msg_file = rebase_path_squash_msg(); | |
1920 | else if (file_exists(rebase_path_fixup_msg())) { | |
789b3eff | 1921 | flags |= CLEANUP_MSG; |
6e98de72 JS |
1922 | msg_file = rebase_path_fixup_msg(); |
1923 | } else { | |
f11c9580 | 1924 | const char *dest = git_path_squash_msg(r); |
6e98de72 JS |
1925 | unlink(dest); |
1926 | if (copy_file(dest, rebase_path_squash_msg(), 0666)) | |
1927 | return error(_("could not rename '%s' to '%s'"), | |
1928 | rebase_path_squash_msg(), dest); | |
f11c9580 | 1929 | unlink(git_path_merge_msg(r)); |
6e98de72 | 1930 | msg_file = dest; |
789b3eff | 1931 | flags |= EDIT_MSG; |
6e98de72 JS |
1932 | } |
1933 | } | |
1934 | ||
a852ec7f | 1935 | if (opts->signoff && !is_fixup(command)) |
b34eeea3 PW |
1936 | append_signoff(&msgbuf, 0, 0); |
1937 | ||
0473f28a JS |
1938 | if (is_rebase_i(opts) && write_author_script(msg.message) < 0) |
1939 | res = -1; | |
1940 | else if (!opts->strategy || !strcmp(opts->strategy, "recursive") || command == TODO_REVERT) { | |
f11c9580 | 1941 | res = do_recursive_merge(r, base, next, base_label, next_label, |
48be4c62 | 1942 | &head, &msgbuf, opts); |
f241ff0d | 1943 | if (res < 0) |
19517fb9 SB |
1944 | goto leave; |
1945 | ||
75871495 | 1946 | res |= write_message(msgbuf.buf, msgbuf.len, |
f11c9580 | 1947 | git_path_merge_msg(r), 0); |
043a4492 RR |
1948 | } else { |
1949 | struct commit_list *common = NULL; | |
1950 | struct commit_list *remotes = NULL; | |
1951 | ||
75871495 | 1952 | res = write_message(msgbuf.buf, msgbuf.len, |
f11c9580 | 1953 | git_path_merge_msg(r), 0); |
043a4492 RR |
1954 | |
1955 | commit_list_insert(base, &common); | |
1956 | commit_list_insert(next, &remotes); | |
f11c9580 | 1957 | res |= try_merge_command(r, opts->strategy, |
03a4e260 | 1958 | opts->xopts_nr, (const char **)opts->xopts, |
ace976b2 | 1959 | common, oid_to_hex(&head), remotes); |
043a4492 RR |
1960 | free_commit_list(common); |
1961 | free_commit_list(remotes); | |
1962 | } | |
452202c7 | 1963 | strbuf_release(&msgbuf); |
043a4492 RR |
1964 | |
1965 | /* | |
1966 | * If the merge was clean or if it failed due to conflict, we write | |
1967 | * CHERRY_PICK_HEAD for the subsequent invocation of commit to use. | |
1968 | * However, if the merge did not even start, then we don't want to | |
1969 | * write it at all. | |
1970 | */ | |
004fefa7 | 1971 | if (command == TODO_PICK && !opts->no_commit && (res == 0 || res == 1) && |
ae077771 | 1972 | update_ref(NULL, "CHERRY_PICK_HEAD", &commit->object.oid, NULL, |
91774afc | 1973 | REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) |
dbfad033 | 1974 | res = -1; |
004fefa7 | 1975 | if (command == TODO_REVERT && ((opts->no_commit && res == 0) || res == 1) && |
ae077771 | 1976 | update_ref(NULL, "REVERT_HEAD", &commit->object.oid, NULL, |
91774afc | 1977 | REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) |
dbfad033 | 1978 | res = -1; |
043a4492 RR |
1979 | |
1980 | if (res) { | |
004fefa7 | 1981 | error(command == TODO_REVERT |
043a4492 RR |
1982 | ? _("could not revert %s... %s") |
1983 | : _("could not apply %s... %s"), | |
39755964 | 1984 | short_commit_name(commit), msg.subject); |
005af339 | 1985 | print_advice(r, res == 1, opts); |
f11c9580 | 1986 | repo_rerere(r, opts->allow_rerere_auto); |
c8d1351d | 1987 | goto leave; |
043a4492 RR |
1988 | } |
1989 | ||
f11c9580 | 1990 | allow = allow_empty(r, opts, commit); |
706728a3 FC |
1991 | if (allow < 0) { |
1992 | res = allow; | |
1993 | goto leave; | |
789b3eff JS |
1994 | } else if (allow) |
1995 | flags |= ALLOW_EMPTY; | |
356ee465 | 1996 | if (!opts->no_commit) { |
bcbb68be | 1997 | fast_forward_edit: |
356ee465 | 1998 | if (author || command == TODO_REVERT || (flags & AMEND_MSG)) |
f11c9580 | 1999 | res = do_commit(r, msg_file, author, opts, flags); |
356ee465 PW |
2000 | else |
2001 | res = error(_("unable to parse commit author")); | |
2002 | } | |
6e98de72 JS |
2003 | |
2004 | if (!res && final_fixup) { | |
2005 | unlink(rebase_path_fixup_msg()); | |
2006 | unlink(rebase_path_squash_msg()); | |
e12a7ef5 JS |
2007 | unlink(rebase_path_current_fixups()); |
2008 | strbuf_reset(&opts->current_fixups); | |
2009 | opts->current_fixup_count = 0; | |
6e98de72 | 2010 | } |
c8d1351d FC |
2011 | |
2012 | leave: | |
d74a4e57 | 2013 | free_message(commit, &msg); |
356ee465 | 2014 | free(author); |
1e41229d | 2015 | update_abort_safety_file(); |
043a4492 RR |
2016 | |
2017 | return res; | |
2018 | } | |
2019 | ||
c3e8618c | 2020 | static int prepare_revs(struct replay_opts *opts) |
043a4492 | 2021 | { |
a73e22e9 MZ |
2022 | /* |
2023 | * picking (but not reverting) ranges (but not individual revisions) | |
2024 | * should be done in reverse | |
2025 | */ | |
2026 | if (opts->action == REPLAY_PICK && !opts->revs->no_walk) | |
043a4492 RR |
2027 | opts->revs->reverse ^= 1; |
2028 | ||
2029 | if (prepare_revision_walk(opts->revs)) | |
c3e8618c | 2030 | return error(_("revision walk setup failed")); |
043a4492 | 2031 | |
c3e8618c | 2032 | return 0; |
043a4492 RR |
2033 | } |
2034 | ||
f11c9580 NTND |
2035 | static int read_and_refresh_cache(struct repository *r, |
2036 | struct replay_opts *opts) | |
043a4492 | 2037 | { |
14bca6c6 | 2038 | struct lock_file index_lock = LOCK_INIT; |
3a95f31d NTND |
2039 | int index_fd = repo_hold_locked_index(r, &index_lock, 0); |
2040 | if (repo_read_index(r) < 0) { | |
49fb937e | 2041 | rollback_lock_file(&index_lock); |
0d9c6dc9 | 2042 | return error(_("git %s: failed to read the index"), |
c28cbc5e | 2043 | _(action_name(opts))); |
49fb937e | 2044 | } |
f11c9580 | 2045 | refresh_index(r->index, REFRESH_QUIET|REFRESH_UNMERGED, NULL, NULL, NULL); |
61000814 | 2046 | if (index_fd >= 0) { |
f11c9580 | 2047 | if (write_locked_index(r->index, &index_lock, |
61000814 | 2048 | COMMIT_LOCK | SKIP_IF_UNCHANGED)) { |
0d9c6dc9 | 2049 | return error(_("git %s: failed to refresh the index"), |
c28cbc5e | 2050 | _(action_name(opts))); |
49fb937e | 2051 | } |
043a4492 | 2052 | } |
0d9c6dc9 | 2053 | return 0; |
043a4492 RR |
2054 | } |
2055 | ||
4c68e7dd JS |
2056 | enum todo_item_flags { |
2057 | TODO_EDIT_MERGE_MSG = 1 | |
2058 | }; | |
2059 | ||
5d94d545 | 2060 | void todo_list_release(struct todo_list *todo_list) |
043a4492 | 2061 | { |
004fefa7 | 2062 | strbuf_release(&todo_list->buf); |
6a83d902 | 2063 | FREE_AND_NULL(todo_list->items); |
004fefa7 JS |
2064 | todo_list->nr = todo_list->alloc = 0; |
2065 | } | |
043a4492 | 2066 | |
004fefa7 JS |
2067 | static struct todo_item *append_new_todo(struct todo_list *todo_list) |
2068 | { | |
2069 | ALLOC_GROW(todo_list->items, todo_list->nr + 1, todo_list->alloc); | |
2070 | return todo_list->items + todo_list->nr++; | |
043a4492 RR |
2071 | } |
2072 | ||
6ad656db AG |
2073 | const char *todo_item_get_arg(struct todo_list *todo_list, |
2074 | struct todo_item *item) | |
2075 | { | |
2076 | return todo_list->buf.buf + item->arg_offset; | |
2077 | } | |
2078 | ||
005af339 | 2079 | static int parse_insn_line(struct repository *r, struct todo_item *item, |
6ad656db | 2080 | const char *buf, const char *bol, char *eol) |
043a4492 | 2081 | { |
1e43ed98 | 2082 | struct object_id commit_oid; |
043a4492 | 2083 | char *end_of_object_name; |
004fefa7 JS |
2084 | int i, saved, status, padding; |
2085 | ||
4c68e7dd JS |
2086 | item->flags = 0; |
2087 | ||
8f8550b3 JS |
2088 | /* left-trim */ |
2089 | bol += strspn(bol, " \t"); | |
2090 | ||
25c43667 | 2091 | if (bol == eol || *bol == '\r' || *bol == comment_line_char) { |
ac191470 | 2092 | item->command = TODO_COMMENT; |
25c43667 | 2093 | item->commit = NULL; |
6ad656db | 2094 | item->arg_offset = bol - buf; |
25c43667 JS |
2095 | item->arg_len = eol - bol; |
2096 | return 0; | |
2097 | } | |
2098 | ||
ac191470 | 2099 | for (i = 0; i < TODO_COMMENT; i++) |
414697a9 JS |
2100 | if (skip_prefix(bol, todo_command_info[i].str, &bol)) { |
2101 | item->command = i; | |
2102 | break; | |
3a4a4cab JS |
2103 | } else if ((bol + 1 == eol || bol[1] == ' ') && |
2104 | *bol == todo_command_info[i].c) { | |
414697a9 | 2105 | bol++; |
004fefa7 JS |
2106 | item->command = i; |
2107 | break; | |
2108 | } | |
ac191470 | 2109 | if (i >= TODO_COMMENT) |
004fefa7 | 2110 | return -1; |
043a4492 | 2111 | |
66afa24f JS |
2112 | /* Eat up extra spaces/ tabs before object name */ |
2113 | padding = strspn(bol, " \t"); | |
2114 | bol += padding; | |
2115 | ||
71f82465 | 2116 | if (item->command == TODO_NOOP || item->command == TODO_BREAK) { |
66afa24f JS |
2117 | if (bol != eol) |
2118 | return error(_("%s does not accept arguments: '%s'"), | |
2119 | command_to_string(item->command), bol); | |
25c43667 | 2120 | item->commit = NULL; |
6ad656db | 2121 | item->arg_offset = bol - buf; |
25c43667 JS |
2122 | item->arg_len = eol - bol; |
2123 | return 0; | |
2124 | } | |
2125 | ||
043a4492 | 2126 | if (!padding) |
66afa24f JS |
2127 | return error(_("missing arguments for %s"), |
2128 | command_to_string(item->command)); | |
043a4492 | 2129 | |
9055e401 JS |
2130 | if (item->command == TODO_EXEC || item->command == TODO_LABEL || |
2131 | item->command == TODO_RESET) { | |
7dcbb3cb | 2132 | item->commit = NULL; |
6ad656db | 2133 | item->arg_offset = bol - buf; |
311af526 JS |
2134 | item->arg_len = (int)(eol - bol); |
2135 | return 0; | |
2136 | } | |
2137 | ||
4c68e7dd JS |
2138 | if (item->command == TODO_MERGE) { |
2139 | if (skip_prefix(bol, "-C", &bol)) | |
2140 | bol += strspn(bol, " \t"); | |
2141 | else if (skip_prefix(bol, "-c", &bol)) { | |
2142 | bol += strspn(bol, " \t"); | |
2143 | item->flags |= TODO_EDIT_MERGE_MSG; | |
2144 | } else { | |
2145 | item->flags |= TODO_EDIT_MERGE_MSG; | |
2146 | item->commit = NULL; | |
6ad656db | 2147 | item->arg_offset = bol - buf; |
4c68e7dd JS |
2148 | item->arg_len = (int)(eol - bol); |
2149 | return 0; | |
2150 | } | |
2151 | } | |
2152 | ||
004fefa7 | 2153 | end_of_object_name = (char *) bol + strcspn(bol, " \t\n"); |
043a4492 RR |
2154 | saved = *end_of_object_name; |
2155 | *end_of_object_name = '\0'; | |
1e43ed98 | 2156 | status = get_oid(bol, &commit_oid); |
043a4492 RR |
2157 | *end_of_object_name = saved; |
2158 | ||
6ad656db AG |
2159 | bol = end_of_object_name + strspn(end_of_object_name, " \t"); |
2160 | item->arg_offset = bol - buf; | |
2161 | item->arg_len = (int)(eol - bol); | |
c22f7dfb | 2162 | |
043a4492 | 2163 | if (status < 0) |
8b637cda JS |
2164 | return error(_("could not parse '%.*s'"), |
2165 | (int)(end_of_object_name - bol), bol); | |
043a4492 | 2166 | |
005af339 | 2167 | item->commit = lookup_commit_reference(r, &commit_oid); |
004fefa7 | 2168 | return !item->commit; |
043a4492 RR |
2169 | } |
2170 | ||
4a72486d PW |
2171 | int sequencer_get_last_command(struct repository *r, enum replay_action *action) |
2172 | { | |
2173 | struct todo_item item; | |
2174 | char *eol; | |
2175 | const char *todo_file; | |
2176 | struct strbuf buf = STRBUF_INIT; | |
2177 | int ret = -1; | |
2178 | ||
2179 | todo_file = git_path_todo_file(); | |
2180 | if (strbuf_read_file(&buf, todo_file, 0) < 0) { | |
2181 | if (errno == ENOENT) | |
2182 | return -1; | |
2183 | else | |
2184 | return error_errno("unable to open '%s'", todo_file); | |
2185 | } | |
2186 | eol = strchrnul(buf.buf, '\n'); | |
2187 | if (buf.buf != eol && eol[-1] == '\r') | |
2188 | eol--; /* strip Carriage Return */ | |
b51a0fdc | 2189 | if (parse_insn_line(r, &item, buf.buf, buf.buf, eol)) |
4a72486d PW |
2190 | goto fail; |
2191 | if (item.command == TODO_PICK) | |
2192 | *action = REPLAY_PICK; | |
2193 | else if (item.command == TODO_REVERT) | |
2194 | *action = REPLAY_REVERT; | |
2195 | else | |
2196 | goto fail; | |
2197 | ||
2198 | ret = 0; | |
2199 | ||
2200 | fail: | |
2201 | strbuf_release(&buf); | |
2202 | ||
2203 | return ret; | |
2204 | } | |
2205 | ||
5d94d545 AG |
2206 | int todo_list_parse_insn_buffer(struct repository *r, char *buf, |
2207 | struct todo_list *todo_list) | |
043a4492 | 2208 | { |
004fefa7 JS |
2209 | struct todo_item *item; |
2210 | char *p = buf, *next_p; | |
6e98de72 | 2211 | int i, res = 0, fixup_okay = file_exists(rebase_path_done()); |
043a4492 | 2212 | |
2b71595d AG |
2213 | todo_list->current = todo_list->nr = 0; |
2214 | ||
004fefa7 | 2215 | for (i = 1; *p; i++, p = next_p) { |
043a4492 | 2216 | char *eol = strchrnul(p, '\n'); |
004fefa7 JS |
2217 | |
2218 | next_p = *eol ? eol + 1 /* skip LF */ : eol; | |
2219 | ||
6307041d JS |
2220 | if (p != eol && eol[-1] == '\r') |
2221 | eol--; /* strip Carriage Return */ | |
2222 | ||
004fefa7 JS |
2223 | item = append_new_todo(todo_list); |
2224 | item->offset_in_buf = p - todo_list->buf.buf; | |
6ad656db | 2225 | if (parse_insn_line(r, item, buf, p, eol)) { |
93b3df6f | 2226 | res = error(_("invalid line %d: %.*s"), |
004fefa7 | 2227 | i, (int)(eol - p), p); |
2b71595d | 2228 | item->command = TODO_COMMENT + 1; |
6ad656db | 2229 | item->arg_offset = p - buf; |
2b71595d AG |
2230 | item->arg_len = (int)(eol - p); |
2231 | item->commit = NULL; | |
004fefa7 | 2232 | } |
6e98de72 JS |
2233 | |
2234 | if (fixup_okay) | |
2235 | ; /* do nothing */ | |
2236 | else if (is_fixup(item->command)) | |
2237 | return error(_("cannot '%s' without a previous commit"), | |
2238 | command_to_string(item->command)); | |
2239 | else if (!is_noop(item->command)) | |
2240 | fixup_okay = 1; | |
043a4492 | 2241 | } |
52865279 | 2242 | |
004fefa7 | 2243 | return res; |
043a4492 RR |
2244 | } |
2245 | ||
968492e4 JS |
2246 | static int count_commands(struct todo_list *todo_list) |
2247 | { | |
2248 | int count = 0, i; | |
2249 | ||
2250 | for (i = 0; i < todo_list->nr; i++) | |
2251 | if (todo_list->items[i].command != TODO_COMMENT) | |
2252 | count++; | |
2253 | ||
2254 | return count; | |
2255 | } | |
2256 | ||
a01c2a5f JS |
2257 | static int get_item_line_offset(struct todo_list *todo_list, int index) |
2258 | { | |
2259 | return index < todo_list->nr ? | |
2260 | todo_list->items[index].offset_in_buf : todo_list->buf.len; | |
2261 | } | |
2262 | ||
2263 | static const char *get_item_line(struct todo_list *todo_list, int index) | |
2264 | { | |
2265 | return todo_list->buf.buf + get_item_line_offset(todo_list, index); | |
2266 | } | |
2267 | ||
2268 | static int get_item_line_length(struct todo_list *todo_list, int index) | |
2269 | { | |
2270 | return get_item_line_offset(todo_list, index + 1) | |
2271 | - get_item_line_offset(todo_list, index); | |
2272 | } | |
2273 | ||
87805600 RS |
2274 | static ssize_t strbuf_read_file_or_whine(struct strbuf *sb, const char *path) |
2275 | { | |
2276 | int fd; | |
2277 | ssize_t len; | |
2278 | ||
2279 | fd = open(path, O_RDONLY); | |
2280 | if (fd < 0) | |
2281 | return error_errno(_("could not open '%s'"), path); | |
2282 | len = strbuf_read(sb, fd, 0); | |
2283 | close(fd); | |
2284 | if (len < 0) | |
2285 | return error(_("could not read '%s'."), path); | |
2286 | return len; | |
2287 | } | |
2288 | ||
b07d9bfd PW |
2289 | static int have_finished_the_last_pick(void) |
2290 | { | |
2291 | struct strbuf buf = STRBUF_INIT; | |
2292 | const char *eol; | |
2293 | const char *todo_path = git_path_todo_file(); | |
2294 | int ret = 0; | |
2295 | ||
2296 | if (strbuf_read_file(&buf, todo_path, 0) < 0) { | |
2297 | if (errno == ENOENT) { | |
2298 | return 0; | |
2299 | } else { | |
2300 | error_errno("unable to open '%s'", todo_path); | |
2301 | return 0; | |
2302 | } | |
2303 | } | |
2304 | /* If there is only one line then we are done */ | |
2305 | eol = strchr(buf.buf, '\n'); | |
2306 | if (!eol || !eol[1]) | |
2307 | ret = 1; | |
2308 | ||
2309 | strbuf_release(&buf); | |
2310 | ||
2311 | return ret; | |
2312 | } | |
2313 | ||
2314 | void sequencer_post_commit_cleanup(struct repository *r) | |
2315 | { | |
2316 | struct replay_opts opts = REPLAY_OPTS_INIT; | |
2317 | int need_cleanup = 0; | |
2318 | ||
2319 | if (file_exists(git_path_cherry_pick_head(r))) { | |
2320 | unlink(git_path_cherry_pick_head(r)); | |
2321 | opts.action = REPLAY_PICK; | |
2322 | need_cleanup = 1; | |
2323 | } | |
2324 | ||
2325 | if (file_exists(git_path_revert_head(r))) { | |
2326 | unlink(git_path_revert_head(r)); | |
2327 | opts.action = REPLAY_REVERT; | |
2328 | need_cleanup = 1; | |
2329 | } | |
2330 | ||
2331 | if (!need_cleanup) | |
2332 | return; | |
2333 | ||
2334 | if (!have_finished_the_last_pick()) | |
2335 | return; | |
2336 | ||
2337 | sequencer_remove_state(&opts); | |
2338 | } | |
2339 | ||
005af339 NTND |
2340 | static int read_populate_todo(struct repository *r, |
2341 | struct todo_list *todo_list, | |
2342 | struct replay_opts *opts) | |
043a4492 | 2343 | { |
54fd3243 | 2344 | struct stat st; |
c0246501 | 2345 | const char *todo_file = get_todo_path(opts); |
87805600 | 2346 | int res; |
043a4492 | 2347 | |
004fefa7 | 2348 | strbuf_reset(&todo_list->buf); |
87805600 RS |
2349 | if (strbuf_read_file_or_whine(&todo_list->buf, todo_file) < 0) |
2350 | return -1; | |
043a4492 | 2351 | |
54fd3243 SH |
2352 | res = stat(todo_file, &st); |
2353 | if (res) | |
2354 | return error(_("could not stat '%s'"), todo_file); | |
2355 | fill_stat_data(&todo_list->stat, &st); | |
2356 | ||
5d94d545 | 2357 | res = todo_list_parse_insn_buffer(r, todo_list->buf.buf, todo_list); |
27fdbb96 JS |
2358 | if (res) { |
2359 | if (is_rebase_i(opts)) | |
2360 | return error(_("please fix this using " | |
2361 | "'git rebase --edit-todo'.")); | |
93b3df6f | 2362 | return error(_("unusable instruction sheet: '%s'"), todo_file); |
27fdbb96 | 2363 | } |
2eeaf1b3 | 2364 | |
52865279 JS |
2365 | if (!todo_list->nr && |
2366 | (!is_rebase_i(opts) || !file_exists(rebase_path_done()))) | |
2367 | return error(_("no commits parsed.")); | |
2368 | ||
2eeaf1b3 | 2369 | if (!is_rebase_i(opts)) { |
004fefa7 JS |
2370 | enum todo_command valid = |
2371 | opts->action == REPLAY_PICK ? TODO_PICK : TODO_REVERT; | |
2372 | int i; | |
2373 | ||
2374 | for (i = 0; i < todo_list->nr; i++) | |
2375 | if (valid == todo_list->items[i].command) | |
2376 | continue; | |
2377 | else if (valid == TODO_PICK) | |
93b3df6f | 2378 | return error(_("cannot cherry-pick during a revert.")); |
004fefa7 | 2379 | else |
93b3df6f | 2380 | return error(_("cannot revert during a cherry-pick.")); |
004fefa7 JS |
2381 | } |
2382 | ||
968492e4 JS |
2383 | if (is_rebase_i(opts)) { |
2384 | struct todo_list done = TODO_LIST_INIT; | |
e9d983f1 | 2385 | FILE *f = fopen_or_warn(rebase_path_msgtotal(), "w"); |
968492e4 JS |
2386 | |
2387 | if (strbuf_read_file(&done.buf, rebase_path_done(), 0) > 0 && | |
5d94d545 | 2388 | !todo_list_parse_insn_buffer(r, done.buf.buf, &done)) |
968492e4 JS |
2389 | todo_list->done_nr = count_commands(&done); |
2390 | else | |
2391 | todo_list->done_nr = 0; | |
2392 | ||
2393 | todo_list->total_nr = todo_list->done_nr | |
2394 | + count_commands(todo_list); | |
968492e4 | 2395 | todo_list_release(&done); |
ef80069a JS |
2396 | |
2397 | if (f) { | |
2398 | fprintf(f, "%d\n", todo_list->total_nr); | |
2399 | fclose(f); | |
2400 | } | |
968492e4 JS |
2401 | } |
2402 | ||
0ae42a03 | 2403 | return 0; |
043a4492 RR |
2404 | } |
2405 | ||
03a4e260 JS |
2406 | static int git_config_string_dup(char **dest, |
2407 | const char *var, const char *value) | |
2408 | { | |
2409 | if (!value) | |
2410 | return config_error_nonbool(var); | |
2411 | free(*dest); | |
2412 | *dest = xstrdup(value); | |
2413 | return 0; | |
2414 | } | |
2415 | ||
043a4492 RR |
2416 | static int populate_opts_cb(const char *key, const char *value, void *data) |
2417 | { | |
2418 | struct replay_opts *opts = data; | |
2419 | int error_flag = 1; | |
2420 | ||
2421 | if (!value) | |
2422 | error_flag = 0; | |
2423 | else if (!strcmp(key, "options.no-commit")) | |
2424 | opts->no_commit = git_config_bool_or_int(key, value, &error_flag); | |
2425 | else if (!strcmp(key, "options.edit")) | |
2426 | opts->edit = git_config_bool_or_int(key, value, &error_flag); | |
6860ce5d PW |
2427 | else if (!strcmp(key, "options.allow-empty")) |
2428 | opts->allow_empty = | |
2429 | git_config_bool_or_int(key, value, &error_flag); | |
2430 | else if (!strcmp(key, "options.allow-empty-message")) | |
2431 | opts->allow_empty_message = | |
2432 | git_config_bool_or_int(key, value, &error_flag); | |
2433 | else if (!strcmp(key, "options.keep-redundant-commits")) | |
2434 | opts->keep_redundant_commits = | |
2435 | git_config_bool_or_int(key, value, &error_flag); | |
043a4492 RR |
2436 | else if (!strcmp(key, "options.signoff")) |
2437 | opts->signoff = git_config_bool_or_int(key, value, &error_flag); | |
2438 | else if (!strcmp(key, "options.record-origin")) | |
2439 | opts->record_origin = git_config_bool_or_int(key, value, &error_flag); | |
2440 | else if (!strcmp(key, "options.allow-ff")) | |
2441 | opts->allow_ff = git_config_bool_or_int(key, value, &error_flag); | |
2442 | else if (!strcmp(key, "options.mainline")) | |
2443 | opts->mainline = git_config_int(key, value); | |
2444 | else if (!strcmp(key, "options.strategy")) | |
03a4e260 | 2445 | git_config_string_dup(&opts->strategy, key, value); |
3253553e | 2446 | else if (!strcmp(key, "options.gpg-sign")) |
03a4e260 | 2447 | git_config_string_dup(&opts->gpg_sign, key, value); |
043a4492 RR |
2448 | else if (!strcmp(key, "options.strategy-option")) { |
2449 | ALLOC_GROW(opts->xopts, opts->xopts_nr + 1, opts->xopts_alloc); | |
2450 | opts->xopts[opts->xopts_nr++] = xstrdup(value); | |
8d8cb4b0 PW |
2451 | } else if (!strcmp(key, "options.allow-rerere-auto")) |
2452 | opts->allow_rerere_auto = | |
2453 | git_config_bool_or_int(key, value, &error_flag) ? | |
2454 | RERERE_AUTOUPDATE : RERERE_NOAUTOUPDATE; | |
dc42e9a8 PW |
2455 | else if (!strcmp(key, "options.default-msg-cleanup")) { |
2456 | opts->explicit_cleanup = 1; | |
2457 | opts->default_msg_cleanup = get_cleanup_mode(value, 1); | |
2458 | } else | |
93b3df6f | 2459 | return error(_("invalid key: %s"), key); |
043a4492 RR |
2460 | |
2461 | if (!error_flag) | |
93b3df6f | 2462 | return error(_("invalid value for %s: %s"), key, value); |
043a4492 RR |
2463 | |
2464 | return 0; | |
2465 | } | |
2466 | ||
65850686 | 2467 | void parse_strategy_opts(struct replay_opts *opts, char *raw_opts) |
ca6c6b45 JS |
2468 | { |
2469 | int i; | |
65850686 | 2470 | char *strategy_opts_string = raw_opts; |
ca6c6b45 | 2471 | |
0060041d EN |
2472 | if (*strategy_opts_string == ' ') |
2473 | strategy_opts_string++; | |
65850686 | 2474 | |
0060041d EN |
2475 | opts->xopts_nr = split_cmdline(strategy_opts_string, |
2476 | (const char ***)&opts->xopts); | |
ca6c6b45 JS |
2477 | for (i = 0; i < opts->xopts_nr; i++) { |
2478 | const char *arg = opts->xopts[i]; | |
2479 | ||
2480 | skip_prefix(arg, "--", &arg); | |
2481 | opts->xopts[i] = xstrdup(arg); | |
2482 | } | |
2483 | } | |
2484 | ||
65850686 AG |
2485 | static void read_strategy_opts(struct replay_opts *opts, struct strbuf *buf) |
2486 | { | |
2487 | strbuf_reset(buf); | |
2488 | if (!read_oneliner(buf, rebase_path_strategy(), 0)) | |
2489 | return; | |
2490 | opts->strategy = strbuf_detach(buf, NULL); | |
2491 | if (!read_oneliner(buf, rebase_path_strategy_opts(), 0)) | |
2492 | return; | |
2493 | ||
2494 | parse_strategy_opts(opts, buf->buf); | |
2495 | } | |
2496 | ||
5adf9bdc | 2497 | static int read_populate_opts(struct replay_opts *opts) |
043a4492 | 2498 | { |
a1c75762 JS |
2499 | if (is_rebase_i(opts)) { |
2500 | struct strbuf buf = STRBUF_INIT; | |
2501 | ||
2502 | if (read_oneliner(&buf, rebase_path_gpg_sign_opt(), 1)) { | |
2503 | if (!starts_with(buf.buf, "-S")) | |
2504 | strbuf_reset(&buf); | |
2505 | else { | |
2506 | free(opts->gpg_sign); | |
2507 | opts->gpg_sign = xstrdup(buf.buf + 2); | |
2508 | } | |
9b6d7a62 PW |
2509 | strbuf_reset(&buf); |
2510 | } | |
2511 | ||
2512 | if (read_oneliner(&buf, rebase_path_allow_rerere_autoupdate(), 1)) { | |
2513 | if (!strcmp(buf.buf, "--rerere-autoupdate")) | |
2514 | opts->allow_rerere_auto = RERERE_AUTOUPDATE; | |
2515 | else if (!strcmp(buf.buf, "--no-rerere-autoupdate")) | |
2516 | opts->allow_rerere_auto = RERERE_NOAUTOUPDATE; | |
2517 | strbuf_reset(&buf); | |
a1c75762 | 2518 | } |
a1c75762 | 2519 | |
556907f1 JS |
2520 | if (file_exists(rebase_path_verbose())) |
2521 | opts->verbose = 1; | |
2522 | ||
899b49c4 EN |
2523 | if (file_exists(rebase_path_quiet())) |
2524 | opts->quiet = 1; | |
2525 | ||
a852ec7f PW |
2526 | if (file_exists(rebase_path_signoff())) { |
2527 | opts->allow_ff = 0; | |
2528 | opts->signoff = 1; | |
2529 | } | |
2530 | ||
d421afa0 JS |
2531 | if (file_exists(rebase_path_reschedule_failed_exec())) |
2532 | opts->reschedule_failed_exec = 1; | |
2533 | ||
ca6c6b45 JS |
2534 | read_strategy_opts(opts, &buf); |
2535 | strbuf_release(&buf); | |
2536 | ||
e12a7ef5 JS |
2537 | if (read_oneliner(&opts->current_fixups, |
2538 | rebase_path_current_fixups(), 1)) { | |
2539 | const char *p = opts->current_fixups.buf; | |
2540 | opts->current_fixup_count = 1; | |
2541 | while ((p = strchr(p, '\n'))) { | |
2542 | opts->current_fixup_count++; | |
2543 | p++; | |
2544 | } | |
2545 | } | |
2546 | ||
d87d48b2 JS |
2547 | if (read_oneliner(&buf, rebase_path_squash_onto(), 0)) { |
2548 | if (get_oid_hex(buf.buf, &opts->squash_onto) < 0) | |
2549 | return error(_("unusable squash-onto")); | |
2550 | opts->have_squash_onto = 1; | |
2551 | } | |
2552 | ||
b5a67045 | 2553 | return 0; |
a1c75762 | 2554 | } |
b5a67045 | 2555 | |
f932729c | 2556 | if (!file_exists(git_path_opts_file())) |
0d00da7b JS |
2557 | return 0; |
2558 | /* | |
2559 | * The function git_parse_source(), called from git_config_from_file(), | |
2560 | * may die() in case of a syntactically incorrect file. We do not care | |
2561 | * about this case, though, because we wrote that file ourselves, so we | |
2562 | * are pretty certain that it is syntactically correct. | |
2563 | */ | |
5adf9bdc | 2564 | if (git_config_from_file(populate_opts_cb, git_path_opts_file(), opts) < 0) |
93b3df6f | 2565 | return error(_("malformed options sheet: '%s'"), |
0d00da7b JS |
2566 | git_path_opts_file()); |
2567 | return 0; | |
043a4492 RR |
2568 | } |
2569 | ||
65850686 AG |
2570 | static void write_strategy_opts(struct replay_opts *opts) |
2571 | { | |
2572 | int i; | |
2573 | struct strbuf buf = STRBUF_INIT; | |
2574 | ||
2575 | for (i = 0; i < opts->xopts_nr; ++i) | |
2576 | strbuf_addf(&buf, " --%s", opts->xopts[i]); | |
2577 | ||
2578 | write_file(rebase_path_strategy_opts(), "%s\n", buf.buf); | |
2579 | strbuf_release(&buf); | |
2580 | } | |
2581 | ||
2582 | int write_basic_state(struct replay_opts *opts, const char *head_name, | |
7d3488eb | 2583 | struct commit *onto, const char *orig_head) |
65850686 AG |
2584 | { |
2585 | const char *quiet = getenv("GIT_QUIET"); | |
2586 | ||
2587 | if (head_name) | |
2588 | write_file(rebase_path_head_name(), "%s\n", head_name); | |
2589 | if (onto) | |
7d3488eb PW |
2590 | write_file(rebase_path_onto(), "%s\n", |
2591 | oid_to_hex(&onto->object.oid)); | |
65850686 AG |
2592 | if (orig_head) |
2593 | write_file(rebase_path_orig_head(), "%s\n", orig_head); | |
2594 | ||
2595 | if (quiet) | |
2596 | write_file(rebase_path_quiet(), "%s\n", quiet); | |
65850686 | 2597 | if (opts->verbose) |
4af51741 | 2598 | write_file(rebase_path_verbose(), "%s", ""); |
65850686 AG |
2599 | if (opts->strategy) |
2600 | write_file(rebase_path_strategy(), "%s\n", opts->strategy); | |
2601 | if (opts->xopts_nr > 0) | |
2602 | write_strategy_opts(opts); | |
2603 | ||
2604 | if (opts->allow_rerere_auto == RERERE_AUTOUPDATE) | |
2605 | write_file(rebase_path_allow_rerere_autoupdate(), "--rerere-autoupdate\n"); | |
2606 | else if (opts->allow_rerere_auto == RERERE_NOAUTOUPDATE) | |
2607 | write_file(rebase_path_allow_rerere_autoupdate(), "--no-rerere-autoupdate\n"); | |
2608 | ||
2609 | if (opts->gpg_sign) | |
2610 | write_file(rebase_path_gpg_sign_opt(), "-S%s\n", opts->gpg_sign); | |
2611 | if (opts->signoff) | |
2612 | write_file(rebase_path_signoff(), "--signoff\n"); | |
d421afa0 JS |
2613 | if (opts->reschedule_failed_exec) |
2614 | write_file(rebase_path_reschedule_failed_exec(), "%s", ""); | |
65850686 AG |
2615 | |
2616 | return 0; | |
2617 | } | |
2618 | ||
004fefa7 | 2619 | static int walk_revs_populate_todo(struct todo_list *todo_list, |
043a4492 RR |
2620 | struct replay_opts *opts) |
2621 | { | |
004fefa7 JS |
2622 | enum todo_command command = opts->action == REPLAY_PICK ? |
2623 | TODO_PICK : TODO_REVERT; | |
414697a9 | 2624 | const char *command_string = todo_command_info[command].str; |
043a4492 | 2625 | struct commit *commit; |
043a4492 | 2626 | |
34b0528b JS |
2627 | if (prepare_revs(opts)) |
2628 | return -1; | |
043a4492 | 2629 | |
004fefa7 JS |
2630 | while ((commit = get_revision(opts->revs))) { |
2631 | struct todo_item *item = append_new_todo(todo_list); | |
2632 | const char *commit_buffer = get_commit_buffer(commit, NULL); | |
2633 | const char *subject; | |
2634 | int subject_len; | |
2635 | ||
2636 | item->command = command; | |
2637 | item->commit = commit; | |
6ad656db | 2638 | item->arg_offset = 0; |
c22f7dfb | 2639 | item->arg_len = 0; |
004fefa7 JS |
2640 | item->offset_in_buf = todo_list->buf.len; |
2641 | subject_len = find_commit_subject(commit_buffer, &subject); | |
2642 | strbuf_addf(&todo_list->buf, "%s %s %.*s\n", command_string, | |
2643 | short_commit_name(commit), subject_len, subject); | |
2644 | unuse_commit_buffer(commit, commit_buffer); | |
2645 | } | |
8530c739 JK |
2646 | |
2647 | if (!todo_list->nr) | |
2648 | return error(_("empty commit set passed")); | |
2649 | ||
34b0528b | 2650 | return 0; |
043a4492 RR |
2651 | } |
2652 | ||
2653 | static int create_seq_dir(void) | |
2654 | { | |
f932729c | 2655 | if (file_exists(git_path_seq_dir())) { |
043a4492 RR |
2656 | error(_("a cherry-pick or revert is already in progress")); |
2657 | advise(_("try \"git cherry-pick (--continue | --quit | --abort)\"")); | |
2658 | return -1; | |
a70d8f80 | 2659 | } else if (mkdir(git_path_seq_dir(), 0777) < 0) |
93b3df6f | 2660 | return error_errno(_("could not create sequencer directory '%s'"), |
f6e82b0d | 2661 | git_path_seq_dir()); |
043a4492 RR |
2662 | return 0; |
2663 | } | |
2664 | ||
311fd397 | 2665 | static int save_head(const char *head) |
043a4492 | 2666 | { |
14bca6c6 | 2667 | struct lock_file head_lock = LOCK_INIT; |
043a4492 RR |
2668 | struct strbuf buf = STRBUF_INIT; |
2669 | int fd; | |
ed3f9a12 | 2670 | ssize_t written; |
043a4492 | 2671 | |
311fd397 | 2672 | fd = hold_lock_file_for_update(&head_lock, git_path_head_file(), 0); |
350292a1 | 2673 | if (fd < 0) |
93b3df6f | 2674 | return error_errno(_("could not lock HEAD")); |
043a4492 | 2675 | strbuf_addf(&buf, "%s\n", head); |
ed3f9a12 RS |
2676 | written = write_in_full(fd, buf.buf, buf.len); |
2677 | strbuf_release(&buf); | |
2678 | if (written < 0) { | |
bf5c0571 | 2679 | error_errno(_("could not write to '%s'"), git_path_head_file()); |
311fd397 | 2680 | rollback_lock_file(&head_lock); |
bf5c0571 | 2681 | return -1; |
311fd397 | 2682 | } |
350292a1 MÅ |
2683 | if (commit_lock_file(&head_lock) < 0) |
2684 | return error(_("failed to finalize '%s'"), git_path_head_file()); | |
311fd397 | 2685 | return 0; |
043a4492 RR |
2686 | } |
2687 | ||
1e41229d SB |
2688 | static int rollback_is_safe(void) |
2689 | { | |
2690 | struct strbuf sb = STRBUF_INIT; | |
2691 | struct object_id expected_head, actual_head; | |
2692 | ||
2693 | if (strbuf_read_file(&sb, git_path_abort_safety_file(), 0) >= 0) { | |
2694 | strbuf_trim(&sb); | |
2695 | if (get_oid_hex(sb.buf, &expected_head)) { | |
2696 | strbuf_release(&sb); | |
2697 | die(_("could not parse %s"), git_path_abort_safety_file()); | |
2698 | } | |
2699 | strbuf_release(&sb); | |
2700 | } | |
2701 | else if (errno == ENOENT) | |
2702 | oidclr(&expected_head); | |
2703 | else | |
2704 | die_errno(_("could not read '%s'"), git_path_abort_safety_file()); | |
2705 | ||
2706 | if (get_oid("HEAD", &actual_head)) | |
2707 | oidclr(&actual_head); | |
2708 | ||
4a7e27e9 | 2709 | return oideq(&actual_head, &expected_head); |
1e41229d SB |
2710 | } |
2711 | ||
092bbcdf | 2712 | static int reset_for_rollback(const struct object_id *oid) |
043a4492 RR |
2713 | { |
2714 | const char *argv[4]; /* reset --merge <arg> + NULL */ | |
1e41229d | 2715 | |
043a4492 RR |
2716 | argv[0] = "reset"; |
2717 | argv[1] = "--merge"; | |
092bbcdf | 2718 | argv[2] = oid_to_hex(oid); |
043a4492 RR |
2719 | argv[3] = NULL; |
2720 | return run_command_v_opt(argv, RUN_GIT_CMD); | |
2721 | } | |
2722 | ||
005af339 | 2723 | static int rollback_single_pick(struct repository *r) |
043a4492 | 2724 | { |
092bbcdf | 2725 | struct object_id head_oid; |
043a4492 | 2726 | |
005af339 NTND |
2727 | if (!file_exists(git_path_cherry_pick_head(r)) && |
2728 | !file_exists(git_path_revert_head(r))) | |
043a4492 | 2729 | return error(_("no cherry-pick or revert in progress")); |
34c290a6 | 2730 | if (read_ref_full("HEAD", 0, &head_oid, NULL)) |
043a4492 | 2731 | return error(_("cannot resolve HEAD")); |
092bbcdf | 2732 | if (is_null_oid(&head_oid)) |
043a4492 | 2733 | return error(_("cannot abort from a branch yet to be born")); |
092bbcdf | 2734 | return reset_for_rollback(&head_oid); |
043a4492 RR |
2735 | } |
2736 | ||
005af339 | 2737 | int sequencer_rollback(struct repository *r, struct replay_opts *opts) |
043a4492 | 2738 | { |
043a4492 | 2739 | FILE *f; |
092bbcdf | 2740 | struct object_id oid; |
043a4492 | 2741 | struct strbuf buf = STRBUF_INIT; |
092bbcdf | 2742 | const char *p; |
043a4492 | 2743 | |
f932729c | 2744 | f = fopen(git_path_head_file(), "r"); |
043a4492 RR |
2745 | if (!f && errno == ENOENT) { |
2746 | /* | |
2747 | * There is no multiple-cherry-pick in progress. | |
2748 | * If CHERRY_PICK_HEAD or REVERT_HEAD indicates | |
2749 | * a single-cherry-pick in progress, abort that. | |
2750 | */ | |
005af339 | 2751 | return rollback_single_pick(r); |
043a4492 RR |
2752 | } |
2753 | if (!f) | |
f7ed1953 | 2754 | return error_errno(_("cannot open '%s'"), git_path_head_file()); |
8f309aeb | 2755 | if (strbuf_getline_lf(&buf, f)) { |
f7ed1953 | 2756 | error(_("cannot read '%s': %s"), git_path_head_file(), |
f932729c | 2757 | ferror(f) ? strerror(errno) : _("unexpected end of file")); |
043a4492 RR |
2758 | fclose(f); |
2759 | goto fail; | |
2760 | } | |
2761 | fclose(f); | |
092bbcdf | 2762 | if (parse_oid_hex(buf.buf, &oid, &p) || *p != '\0') { |
043a4492 | 2763 | error(_("stored pre-cherry-pick HEAD file '%s' is corrupt"), |
f932729c | 2764 | git_path_head_file()); |
043a4492 RR |
2765 | goto fail; |
2766 | } | |
092bbcdf | 2767 | if (is_null_oid(&oid)) { |
0f974e21 MG |
2768 | error(_("cannot abort from a branch yet to be born")); |
2769 | goto fail; | |
2770 | } | |
1e41229d SB |
2771 | |
2772 | if (!rollback_is_safe()) { | |
2773 | /* Do not error, just do not rollback */ | |
2774 | warning(_("You seem to have moved HEAD. " | |
2775 | "Not rewinding, check your HEAD!")); | |
2776 | } else | |
092bbcdf | 2777 | if (reset_for_rollback(&oid)) |
043a4492 | 2778 | goto fail; |
043a4492 | 2779 | strbuf_release(&buf); |
2863584f | 2780 | return sequencer_remove_state(opts); |
043a4492 RR |
2781 | fail: |
2782 | strbuf_release(&buf); | |
2783 | return -1; | |
2784 | } | |
2785 | ||
004fefa7 | 2786 | static int save_todo(struct todo_list *todo_list, struct replay_opts *opts) |
043a4492 | 2787 | { |
14bca6c6 | 2788 | struct lock_file todo_lock = LOCK_INIT; |
004fefa7 JS |
2789 | const char *todo_path = get_todo_path(opts); |
2790 | int next = todo_list->current, offset, fd; | |
043a4492 | 2791 | |
84583957 JS |
2792 | /* |
2793 | * rebase -i writes "git-rebase-todo" without the currently executing | |
2794 | * command, appending it to "done" instead. | |
2795 | */ | |
2796 | if (is_rebase_i(opts)) | |
2797 | next++; | |
2798 | ||
004fefa7 | 2799 | fd = hold_lock_file_for_update(&todo_lock, todo_path, 0); |
221675de | 2800 | if (fd < 0) |
93b3df6f | 2801 | return error_errno(_("could not lock '%s'"), todo_path); |
a01c2a5f | 2802 | offset = get_item_line_offset(todo_list, next); |
004fefa7 JS |
2803 | if (write_in_full(fd, todo_list->buf.buf + offset, |
2804 | todo_list->buf.len - offset) < 0) | |
93b3df6f | 2805 | return error_errno(_("could not write to '%s'"), todo_path); |
004fefa7 | 2806 | if (commit_lock_file(&todo_lock) < 0) |
350292a1 | 2807 | return error(_("failed to finalize '%s'"), todo_path); |
1df6df0c | 2808 | |
a01c2a5f JS |
2809 | if (is_rebase_i(opts) && next > 0) { |
2810 | const char *done = rebase_path_done(); | |
2811 | int fd = open(done, O_CREAT | O_WRONLY | O_APPEND, 0666); | |
2812 | int ret = 0; | |
1df6df0c | 2813 | |
a01c2a5f JS |
2814 | if (fd < 0) |
2815 | return 0; | |
2816 | if (write_in_full(fd, get_item_line(todo_list, next - 1), | |
2817 | get_item_line_length(todo_list, next - 1)) | |
2818 | < 0) | |
2819 | ret = error_errno(_("could not write to '%s'"), done); | |
2820 | if (close(fd) < 0) | |
2821 | ret = error_errno(_("failed to finalize '%s'"), done); | |
2822 | return ret; | |
1df6df0c | 2823 | } |
221675de | 2824 | return 0; |
043a4492 RR |
2825 | } |
2826 | ||
88d5a271 | 2827 | static int save_opts(struct replay_opts *opts) |
043a4492 | 2828 | { |
f932729c | 2829 | const char *opts_file = git_path_opts_file(); |
88d5a271 | 2830 | int res = 0; |
043a4492 RR |
2831 | |
2832 | if (opts->no_commit) | |
f59199d5 PW |
2833 | res |= git_config_set_in_file_gently(opts_file, |
2834 | "options.no-commit", "true"); | |
043a4492 | 2835 | if (opts->edit) |
f59199d5 PW |
2836 | res |= git_config_set_in_file_gently(opts_file, |
2837 | "options.edit", "true"); | |
6860ce5d PW |
2838 | if (opts->allow_empty) |
2839 | res |= git_config_set_in_file_gently(opts_file, | |
2840 | "options.allow-empty", "true"); | |
2841 | if (opts->allow_empty_message) | |
2842 | res |= git_config_set_in_file_gently(opts_file, | |
2843 | "options.allow-empty-message", "true"); | |
2844 | if (opts->keep_redundant_commits) | |
2845 | res |= git_config_set_in_file_gently(opts_file, | |
2846 | "options.keep-redundant-commits", "true"); | |
043a4492 | 2847 | if (opts->signoff) |
f59199d5 PW |
2848 | res |= git_config_set_in_file_gently(opts_file, |
2849 | "options.signoff", "true"); | |
043a4492 | 2850 | if (opts->record_origin) |
f59199d5 PW |
2851 | res |= git_config_set_in_file_gently(opts_file, |
2852 | "options.record-origin", "true"); | |
043a4492 | 2853 | if (opts->allow_ff) |
f59199d5 PW |
2854 | res |= git_config_set_in_file_gently(opts_file, |
2855 | "options.allow-ff", "true"); | |
043a4492 RR |
2856 | if (opts->mainline) { |
2857 | struct strbuf buf = STRBUF_INIT; | |
2858 | strbuf_addf(&buf, "%d", opts->mainline); | |
f59199d5 PW |
2859 | res |= git_config_set_in_file_gently(opts_file, |
2860 | "options.mainline", buf.buf); | |
043a4492 RR |
2861 | strbuf_release(&buf); |
2862 | } | |
2863 | if (opts->strategy) | |
f59199d5 PW |
2864 | res |= git_config_set_in_file_gently(opts_file, |
2865 | "options.strategy", opts->strategy); | |
3253553e | 2866 | if (opts->gpg_sign) |
f59199d5 PW |
2867 | res |= git_config_set_in_file_gently(opts_file, |
2868 | "options.gpg-sign", opts->gpg_sign); | |
043a4492 RR |
2869 | if (opts->xopts) { |
2870 | int i; | |
2871 | for (i = 0; i < opts->xopts_nr; i++) | |
88d5a271 | 2872 | res |= git_config_set_multivar_in_file_gently(opts_file, |
f59199d5 PW |
2873 | "options.strategy-option", |
2874 | opts->xopts[i], "^$", 0); | |
043a4492 | 2875 | } |
8d8cb4b0 | 2876 | if (opts->allow_rerere_auto) |
f59199d5 PW |
2877 | res |= git_config_set_in_file_gently(opts_file, |
2878 | "options.allow-rerere-auto", | |
2879 | opts->allow_rerere_auto == RERERE_AUTOUPDATE ? | |
2880 | "true" : "false"); | |
dc42e9a8 PW |
2881 | |
2882 | if (opts->explicit_cleanup) | |
2883 | res |= git_config_set_in_file_gently(opts_file, | |
2884 | "options.default-msg-cleanup", | |
2885 | describe_cleanup_mode(opts->default_msg_cleanup)); | |
88d5a271 | 2886 | return res; |
043a4492 RR |
2887 | } |
2888 | ||
f11c9580 NTND |
2889 | static int make_patch(struct repository *r, |
2890 | struct commit *commit, | |
2891 | struct replay_opts *opts) | |
56dc3ab0 JS |
2892 | { |
2893 | struct strbuf buf = STRBUF_INIT; | |
2894 | struct rev_info log_tree_opt; | |
2895 | const char *subject, *p; | |
2896 | int res = 0; | |
2897 | ||
2898 | p = short_commit_name(commit); | |
2899 | if (write_message(p, strlen(p), rebase_path_stopped_sha(), 1) < 0) | |
2900 | return -1; | |
fbd7a232 NTND |
2901 | if (update_ref("rebase", "REBASE_HEAD", &commit->object.oid, |
2902 | NULL, REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) | |
2903 | res |= error(_("could not update %s"), "REBASE_HEAD"); | |
56dc3ab0 JS |
2904 | |
2905 | strbuf_addf(&buf, "%s/patch", get_dir(opts)); | |
2906 | memset(&log_tree_opt, 0, sizeof(log_tree_opt)); | |
f11c9580 | 2907 | repo_init_revisions(r, &log_tree_opt, NULL); |
56dc3ab0 JS |
2908 | log_tree_opt.abbrev = 0; |
2909 | log_tree_opt.diff = 1; | |
2910 | log_tree_opt.diffopt.output_format = DIFF_FORMAT_PATCH; | |
2911 | log_tree_opt.disable_stdin = 1; | |
2912 | log_tree_opt.no_commit_id = 1; | |
2913 | log_tree_opt.diffopt.file = fopen(buf.buf, "w"); | |
2914 | log_tree_opt.diffopt.use_color = GIT_COLOR_NEVER; | |
2915 | if (!log_tree_opt.diffopt.file) | |
2916 | res |= error_errno(_("could not open '%s'"), buf.buf); | |
2917 | else { | |
2918 | res |= log_tree_commit(&log_tree_opt, commit); | |
2919 | fclose(log_tree_opt.diffopt.file); | |
2920 | } | |
2921 | strbuf_reset(&buf); | |
2922 | ||
2923 | strbuf_addf(&buf, "%s/message", get_dir(opts)); | |
2924 | if (!file_exists(buf.buf)) { | |
2925 | const char *commit_buffer = get_commit_buffer(commit, NULL); | |
2926 | find_commit_subject(commit_buffer, &subject); | |
2927 | res |= write_message(subject, strlen(subject), buf.buf, 1); | |
2928 | unuse_commit_buffer(commit, commit_buffer); | |
2929 | } | |
2930 | strbuf_release(&buf); | |
2931 | ||
2932 | return res; | |
2933 | } | |
2934 | ||
2935 | static int intend_to_amend(void) | |
2936 | { | |
092bbcdf | 2937 | struct object_id head; |
56dc3ab0 JS |
2938 | char *p; |
2939 | ||
092bbcdf | 2940 | if (get_oid("HEAD", &head)) |
56dc3ab0 JS |
2941 | return error(_("cannot read HEAD")); |
2942 | ||
092bbcdf | 2943 | p = oid_to_hex(&head); |
56dc3ab0 JS |
2944 | return write_message(p, strlen(p), rebase_path_amend(), 1); |
2945 | } | |
2946 | ||
f11c9580 NTND |
2947 | static int error_with_patch(struct repository *r, |
2948 | struct commit *commit, | |
2949 | const char *subject, int subject_len, | |
2950 | struct replay_opts *opts, | |
2951 | int exit_code, int to_amend) | |
56dc3ab0 | 2952 | { |
bc9238bb | 2953 | if (commit) { |
f11c9580 | 2954 | if (make_patch(r, commit, opts)) |
bc9238bb | 2955 | return -1; |
5a5c5e95 | 2956 | } else if (copy_file(rebase_path_message(), |
f11c9580 | 2957 | git_path_merge_msg(r), 0666)) |
bc9238bb | 2958 | return error(_("unable to copy '%s' to '%s'"), |
f11c9580 | 2959 | git_path_merge_msg(r), rebase_path_message()); |
56dc3ab0 JS |
2960 | |
2961 | if (to_amend) { | |
2962 | if (intend_to_amend()) | |
2963 | return -1; | |
2964 | ||
02127c63 NTND |
2965 | fprintf(stderr, |
2966 | _("You can amend the commit now, with\n" | |
2967 | "\n" | |
2968 | " git commit --amend %s\n" | |
2969 | "\n" | |
2970 | "Once you are satisfied with your changes, run\n" | |
2971 | "\n" | |
2972 | " git rebase --continue\n"), | |
2973 | gpg_sign_opt_quoted(opts)); | |
bc9238bb PW |
2974 | } else if (exit_code) { |
2975 | if (commit) | |
5a5c5e95 JH |
2976 | fprintf_ln(stderr, _("Could not apply %s... %.*s"), |
2977 | short_commit_name(commit), subject_len, subject); | |
bc9238bb PW |
2978 | else |
2979 | /* | |
2980 | * We don't have the hash of the parent so | |
2981 | * just print the line from the todo file. | |
2982 | */ | |
5a5c5e95 JH |
2983 | fprintf_ln(stderr, _("Could not merge %.*s"), |
2984 | subject_len, subject); | |
bc9238bb | 2985 | } |
56dc3ab0 JS |
2986 | |
2987 | return exit_code; | |
2988 | } | |
2989 | ||
f11c9580 NTND |
2990 | static int error_failed_squash(struct repository *r, |
2991 | struct commit *commit, | |
2992 | struct replay_opts *opts, | |
2993 | int subject_len, | |
2994 | const char *subject) | |
6e98de72 | 2995 | { |
e12a7ef5 JS |
2996 | if (copy_file(rebase_path_message(), rebase_path_squash_msg(), 0666)) |
2997 | return error(_("could not copy '%s' to '%s'"), | |
6e98de72 | 2998 | rebase_path_squash_msg(), rebase_path_message()); |
f11c9580 NTND |
2999 | unlink(git_path_merge_msg(r)); |
3000 | if (copy_file(git_path_merge_msg(r), rebase_path_message(), 0666)) | |
6e98de72 | 3001 | return error(_("could not copy '%s' to '%s'"), |
102de880 | 3002 | rebase_path_message(), |
f11c9580 NTND |
3003 | git_path_merge_msg(r)); |
3004 | return error_with_patch(r, commit, subject, subject_len, opts, 1, 0); | |
6e98de72 JS |
3005 | } |
3006 | ||
f11c9580 | 3007 | static int do_exec(struct repository *r, const char *command_line) |
311af526 | 3008 | { |
09d7b6c6 | 3009 | struct argv_array child_env = ARGV_ARRAY_INIT; |
311af526 JS |
3010 | const char *child_argv[] = { NULL, NULL }; |
3011 | int dirty, status; | |
3012 | ||
3013 | fprintf(stderr, "Executing: %s\n", command_line); | |
3014 | child_argv[0] = command_line; | |
09d7b6c6 | 3015 | argv_array_pushf(&child_env, "GIT_DIR=%s", absolute_path(get_git_dir())); |
ab5e67d7 | 3016 | argv_array_pushf(&child_env, "GIT_WORK_TREE=%s", |
3017 | absolute_path(get_git_work_tree())); | |
09d7b6c6 JK |
3018 | status = run_command_v_opt_cd_env(child_argv, RUN_USING_SHELL, NULL, |
3019 | child_env.argv); | |
311af526 JS |
3020 | |
3021 | /* force re-reading of the cache */ | |
e1ff0a32 | 3022 | if (discard_index(r->index) < 0 || repo_read_index(r) < 0) |
311af526 JS |
3023 | return error(_("could not read index")); |
3024 | ||
f11c9580 | 3025 | dirty = require_clean_work_tree(r, "rebase", NULL, 1, 1); |
311af526 JS |
3026 | |
3027 | if (status) { | |
3028 | warning(_("execution failed: %s\n%s" | |
3029 | "You can fix the problem, and then run\n" | |
3030 | "\n" | |
3031 | " git rebase --continue\n" | |
3032 | "\n"), | |
3033 | command_line, | |
3034 | dirty ? N_("and made changes to the index and/or the " | |
3035 | "working tree\n") : ""); | |
3036 | if (status == 127) | |
3037 | /* command not found */ | |
3038 | status = 1; | |
3039 | } else if (dirty) { | |
3040 | warning(_("execution succeeded: %s\nbut " | |
3041 | "left changes to the index and/or the working tree\n" | |
3042 | "Commit or stash your changes, and then run\n" | |
3043 | "\n" | |
3044 | " git rebase --continue\n" | |
3045 | "\n"), command_line); | |
3046 | status = 1; | |
3047 | } | |
3048 | ||
09d7b6c6 JK |
3049 | argv_array_clear(&child_env); |
3050 | ||
311af526 JS |
3051 | return status; |
3052 | } | |
3053 | ||
9055e401 JS |
3054 | static int safe_append(const char *filename, const char *fmt, ...) |
3055 | { | |
3056 | va_list ap; | |
3057 | struct lock_file lock = LOCK_INIT; | |
3058 | int fd = hold_lock_file_for_update(&lock, filename, | |
3059 | LOCK_REPORT_ON_ERROR); | |
3060 | struct strbuf buf = STRBUF_INIT; | |
3061 | ||
3062 | if (fd < 0) | |
3063 | return -1; | |
3064 | ||
3065 | if (strbuf_read_file(&buf, filename, 0) < 0 && errno != ENOENT) { | |
3066 | error_errno(_("could not read '%s'"), filename); | |
3067 | rollback_lock_file(&lock); | |
3068 | return -1; | |
3069 | } | |
3070 | strbuf_complete(&buf, '\n'); | |
3071 | va_start(ap, fmt); | |
3072 | strbuf_vaddf(&buf, fmt, ap); | |
3073 | va_end(ap); | |
3074 | ||
3075 | if (write_in_full(fd, buf.buf, buf.len) < 0) { | |
3076 | error_errno(_("could not write to '%s'"), filename); | |
3077 | strbuf_release(&buf); | |
3078 | rollback_lock_file(&lock); | |
3079 | return -1; | |
3080 | } | |
3081 | if (commit_lock_file(&lock) < 0) { | |
3082 | strbuf_release(&buf); | |
3083 | rollback_lock_file(&lock); | |
3084 | return error(_("failed to finalize '%s'"), filename); | |
3085 | } | |
3086 | ||
3087 | strbuf_release(&buf); | |
3088 | return 0; | |
3089 | } | |
3090 | ||
f11c9580 | 3091 | static int do_label(struct repository *r, const char *name, int len) |
9055e401 | 3092 | { |
f11c9580 | 3093 | struct ref_store *refs = get_main_ref_store(r); |
9055e401 JS |
3094 | struct ref_transaction *transaction; |
3095 | struct strbuf ref_name = STRBUF_INIT, err = STRBUF_INIT; | |
3096 | struct strbuf msg = STRBUF_INIT; | |
3097 | int ret = 0; | |
3098 | struct object_id head_oid; | |
3099 | ||
3100 | if (len == 1 && *name == '#') | |
02127c63 | 3101 | return error(_("illegal label name: '%.*s'"), len, name); |
9055e401 JS |
3102 | |
3103 | strbuf_addf(&ref_name, "refs/rewritten/%.*s", len, name); | |
3104 | strbuf_addf(&msg, "rebase -i (label) '%.*s'", len, name); | |
3105 | ||
3106 | transaction = ref_store_transaction_begin(refs, &err); | |
3107 | if (!transaction) { | |
3108 | error("%s", err.buf); | |
3109 | ret = -1; | |
3110 | } else if (get_oid("HEAD", &head_oid)) { | |
3111 | error(_("could not read HEAD")); | |
3112 | ret = -1; | |
3113 | } else if (ref_transaction_update(transaction, ref_name.buf, &head_oid, | |
3114 | NULL, 0, msg.buf, &err) < 0 || | |
3115 | ref_transaction_commit(transaction, &err)) { | |
3116 | error("%s", err.buf); | |
3117 | ret = -1; | |
3118 | } | |
3119 | ref_transaction_free(transaction); | |
3120 | strbuf_release(&err); | |
3121 | strbuf_release(&msg); | |
3122 | ||
3123 | if (!ret) | |
3124 | ret = safe_append(rebase_path_refs_to_delete(), | |
3125 | "%s\n", ref_name.buf); | |
3126 | strbuf_release(&ref_name); | |
3127 | ||
3128 | return ret; | |
3129 | } | |
3130 | ||
3131 | static const char *reflog_message(struct replay_opts *opts, | |
3132 | const char *sub_action, const char *fmt, ...); | |
3133 | ||
f11c9580 NTND |
3134 | static int do_reset(struct repository *r, |
3135 | const char *name, int len, | |
3136 | struct replay_opts *opts) | |
9055e401 JS |
3137 | { |
3138 | struct strbuf ref_name = STRBUF_INIT; | |
3139 | struct object_id oid; | |
3140 | struct lock_file lock = LOCK_INIT; | |
3141 | struct tree_desc desc; | |
3142 | struct tree *tree; | |
3143 | struct unpack_trees_options unpack_tree_opts; | |
71571cd7 | 3144 | int ret = 0; |
9055e401 | 3145 | |
3a95f31d | 3146 | if (repo_hold_locked_index(r, &lock, LOCK_REPORT_ON_ERROR) < 0) |
9055e401 JS |
3147 | return -1; |
3148 | ||
ebddf393 JS |
3149 | if (len == 10 && !strncmp("[new root]", name, len)) { |
3150 | if (!opts->have_squash_onto) { | |
3151 | const char *hex; | |
3152 | if (commit_tree("", 0, the_hash_algo->empty_tree, | |
3153 | NULL, &opts->squash_onto, | |
3154 | NULL, NULL)) | |
3155 | return error(_("writing fake root commit")); | |
3156 | opts->have_squash_onto = 1; | |
3157 | hex = oid_to_hex(&opts->squash_onto); | |
3158 | if (write_message(hex, strlen(hex), | |
3159 | rebase_path_squash_onto(), 0)) | |
3160 | return error(_("writing squash-onto")); | |
3161 | } | |
3162 | oidcpy(&oid, &opts->squash_onto); | |
3163 | } else { | |
71571cd7 MÅ |
3164 | int i; |
3165 | ||
ebddf393 JS |
3166 | /* Determine the length of the label */ |
3167 | for (i = 0; i < len; i++) | |
3168 | if (isspace(name[i])) | |
71571cd7 MÅ |
3169 | break; |
3170 | len = i; | |
ebddf393 JS |
3171 | |
3172 | strbuf_addf(&ref_name, "refs/rewritten/%.*s", len, name); | |
3173 | if (get_oid(ref_name.buf, &oid) && | |
3174 | get_oid(ref_name.buf + strlen("refs/rewritten/"), &oid)) { | |
3175 | error(_("could not read '%s'"), ref_name.buf); | |
3176 | rollback_lock_file(&lock); | |
3177 | strbuf_release(&ref_name); | |
3178 | return -1; | |
3179 | } | |
9055e401 JS |
3180 | } |
3181 | ||
3182 | memset(&unpack_tree_opts, 0, sizeof(unpack_tree_opts)); | |
3183 | setup_unpack_trees_porcelain(&unpack_tree_opts, "reset"); | |
3184 | unpack_tree_opts.head_idx = 1; | |
f11c9580 NTND |
3185 | unpack_tree_opts.src_index = r->index; |
3186 | unpack_tree_opts.dst_index = r->index; | |
9055e401 JS |
3187 | unpack_tree_opts.fn = oneway_merge; |
3188 | unpack_tree_opts.merge = 1; | |
3189 | unpack_tree_opts.update = 1; | |
3190 | ||
e1ff0a32 | 3191 | if (repo_read_index_unmerged(r)) { |
9055e401 JS |
3192 | rollback_lock_file(&lock); |
3193 | strbuf_release(&ref_name); | |
3194 | return error_resolve_conflict(_(action_name(opts))); | |
3195 | } | |
3196 | ||
3197 | if (!fill_tree_descriptor(&desc, &oid)) { | |
3198 | error(_("failed to find tree of %s"), oid_to_hex(&oid)); | |
3199 | rollback_lock_file(&lock); | |
3200 | free((void *)desc.buffer); | |
3201 | strbuf_release(&ref_name); | |
3202 | return -1; | |
3203 | } | |
3204 | ||
3205 | if (unpack_trees(1, &desc, &unpack_tree_opts)) { | |
3206 | rollback_lock_file(&lock); | |
3207 | free((void *)desc.buffer); | |
3208 | strbuf_release(&ref_name); | |
3209 | return -1; | |
3210 | } | |
3211 | ||
3212 | tree = parse_tree_indirect(&oid); | |
c207e9e1 | 3213 | prime_cache_tree(r, r->index, tree); |
9055e401 | 3214 | |
f11c9580 | 3215 | if (write_locked_index(r->index, &lock, COMMIT_LOCK) < 0) |
9055e401 JS |
3216 | ret = error(_("could not write index")); |
3217 | free((void *)desc.buffer); | |
3218 | ||
3219 | if (!ret) | |
3220 | ret = update_ref(reflog_message(opts, "reset", "'%.*s'", | |
3221 | len, name), "HEAD", &oid, | |
3222 | NULL, 0, UPDATE_REFS_MSG_ON_ERR); | |
3223 | ||
3224 | strbuf_release(&ref_name); | |
3225 | return ret; | |
3226 | } | |
3227 | ||
2b6ad0f4 JS |
3228 | static struct commit *lookup_label(const char *label, int len, |
3229 | struct strbuf *buf) | |
3230 | { | |
3231 | struct commit *commit; | |
3232 | ||
3233 | strbuf_reset(buf); | |
3234 | strbuf_addf(buf, "refs/rewritten/%.*s", len, label); | |
3235 | commit = lookup_commit_reference_by_name(buf->buf); | |
3236 | if (!commit) { | |
3237 | /* fall back to non-rewritten ref or commit */ | |
3238 | strbuf_splice(buf, 0, strlen("refs/rewritten/"), "", 0); | |
3239 | commit = lookup_commit_reference_by_name(buf->buf); | |
3240 | } | |
3241 | ||
3242 | if (!commit) | |
3243 | error(_("could not resolve '%s'"), buf->buf); | |
3244 | ||
3245 | return commit; | |
3246 | } | |
3247 | ||
f11c9580 NTND |
3248 | static int do_merge(struct repository *r, |
3249 | struct commit *commit, | |
3250 | const char *arg, int arg_len, | |
4c68e7dd JS |
3251 | int flags, struct replay_opts *opts) |
3252 | { | |
3253 | int run_commit_flags = (flags & TODO_EDIT_MERGE_MSG) ? | |
3254 | EDIT_MSG | VERIFY_MSG : 0; | |
3255 | struct strbuf ref_name = STRBUF_INIT; | |
3256 | struct commit *head_commit, *merge_commit, *i; | |
3257 | struct commit_list *bases, *j, *reversed = NULL; | |
2b6ad0f4 | 3258 | struct commit_list *to_merge = NULL, **tail = &to_merge; |
4c68e7dd | 3259 | struct merge_options o; |
2b6ad0f4 | 3260 | int merge_arg_len, oneline_offset, can_fast_forward, ret, k; |
4c68e7dd JS |
3261 | static struct lock_file lock; |
3262 | const char *p; | |
3263 | ||
3a95f31d | 3264 | if (repo_hold_locked_index(r, &lock, LOCK_REPORT_ON_ERROR) < 0) { |
4c68e7dd JS |
3265 | ret = -1; |
3266 | goto leave_merge; | |
3267 | } | |
3268 | ||
3269 | head_commit = lookup_commit_reference_by_name("HEAD"); | |
3270 | if (!head_commit) { | |
3271 | ret = error(_("cannot merge without a current revision")); | |
3272 | goto leave_merge; | |
3273 | } | |
3274 | ||
2b6ad0f4 JS |
3275 | /* |
3276 | * For octopus merges, the arg starts with the list of revisions to be | |
3277 | * merged. The list is optionally followed by '#' and the oneline. | |
3278 | */ | |
3279 | merge_arg_len = oneline_offset = arg_len; | |
3280 | for (p = arg; p - arg < arg_len; p += strspn(p, " \t\n")) { | |
3281 | if (!*p) | |
3282 | break; | |
3283 | if (*p == '#' && (!p[1] || isspace(p[1]))) { | |
3284 | p += 1 + strspn(p + 1, " \t\n"); | |
3285 | oneline_offset = p - arg; | |
3286 | break; | |
3287 | } | |
3288 | k = strcspn(p, " \t\n"); | |
3289 | if (!k) | |
3290 | continue; | |
3291 | merge_commit = lookup_label(p, k, &ref_name); | |
3292 | if (!merge_commit) { | |
3293 | ret = error(_("unable to parse '%.*s'"), k, p); | |
3294 | goto leave_merge; | |
3295 | } | |
3296 | tail = &commit_list_insert(merge_commit, tail)->next; | |
3297 | p += k; | |
3298 | merge_arg_len = p - arg; | |
4c68e7dd JS |
3299 | } |
3300 | ||
2b6ad0f4 JS |
3301 | if (!to_merge) { |
3302 | ret = error(_("nothing to merge: '%.*s'"), arg_len, arg); | |
4c68e7dd JS |
3303 | goto leave_merge; |
3304 | } | |
3305 | ||
9c85a1c2 | 3306 | if (opts->have_squash_onto && |
4a7e27e9 | 3307 | oideq(&head_commit->object.oid, &opts->squash_onto)) { |
9c85a1c2 JS |
3308 | /* |
3309 | * When the user tells us to "merge" something into a | |
3310 | * "[new root]", let's simply fast-forward to the merge head. | |
3311 | */ | |
3312 | rollback_lock_file(&lock); | |
2b6ad0f4 JS |
3313 | if (to_merge->next) |
3314 | ret = error(_("octopus merge cannot be executed on " | |
3315 | "top of a [new root]")); | |
3316 | else | |
f11c9580 | 3317 | ret = fast_forward_to(r, &to_merge->item->object.oid, |
2b6ad0f4 JS |
3318 | &head_commit->object.oid, 0, |
3319 | opts); | |
9c85a1c2 JS |
3320 | goto leave_merge; |
3321 | } | |
3322 | ||
4c68e7dd JS |
3323 | if (commit) { |
3324 | const char *message = get_commit_buffer(commit, NULL); | |
3325 | const char *body; | |
3326 | int len; | |
3327 | ||
3328 | if (!message) { | |
3329 | ret = error(_("could not get commit message of '%s'"), | |
3330 | oid_to_hex(&commit->object.oid)); | |
3331 | goto leave_merge; | |
3332 | } | |
3333 | write_author_script(message); | |
3334 | find_commit_subject(message, &body); | |
3335 | len = strlen(body); | |
f11c9580 | 3336 | ret = write_message(body, len, git_path_merge_msg(r), 0); |
4c68e7dd JS |
3337 | unuse_commit_buffer(commit, message); |
3338 | if (ret) { | |
3339 | error_errno(_("could not write '%s'"), | |
f11c9580 | 3340 | git_path_merge_msg(r)); |
4c68e7dd JS |
3341 | goto leave_merge; |
3342 | } | |
3343 | } else { | |
3344 | struct strbuf buf = STRBUF_INIT; | |
3345 | int len; | |
3346 | ||
3347 | strbuf_addf(&buf, "author %s", git_author_info(0)); | |
3348 | write_author_script(buf.buf); | |
3349 | strbuf_reset(&buf); | |
3350 | ||
3351 | if (oneline_offset < arg_len) { | |
3352 | p = arg + oneline_offset; | |
3353 | len = arg_len - oneline_offset; | |
3354 | } else { | |
2b6ad0f4 JS |
3355 | strbuf_addf(&buf, "Merge %s '%.*s'", |
3356 | to_merge->next ? "branches" : "branch", | |
4c68e7dd JS |
3357 | merge_arg_len, arg); |
3358 | p = buf.buf; | |
3359 | len = buf.len; | |
3360 | } | |
3361 | ||
f11c9580 | 3362 | ret = write_message(p, len, git_path_merge_msg(r), 0); |
4c68e7dd JS |
3363 | strbuf_release(&buf); |
3364 | if (ret) { | |
3365 | error_errno(_("could not write '%s'"), | |
f11c9580 | 3366 | git_path_merge_msg(r)); |
4c68e7dd JS |
3367 | goto leave_merge; |
3368 | } | |
3369 | } | |
3370 | ||
d1e8b011 JS |
3371 | /* |
3372 | * If HEAD is not identical to the first parent of the original merge | |
3373 | * commit, we cannot fast-forward. | |
3374 | */ | |
3375 | can_fast_forward = opts->allow_ff && commit && commit->parents && | |
4a7e27e9 JK |
3376 | oideq(&commit->parents->item->object.oid, |
3377 | &head_commit->object.oid); | |
d1e8b011 JS |
3378 | |
3379 | /* | |
2b6ad0f4 | 3380 | * If any merge head is different from the original one, we cannot |
d1e8b011 JS |
3381 | * fast-forward. |
3382 | */ | |
3383 | if (can_fast_forward) { | |
2b6ad0f4 | 3384 | struct commit_list *p = commit->parents->next; |
d1e8b011 | 3385 | |
2b6ad0f4 | 3386 | for (j = to_merge; j && p; j = j->next, p = p->next) |
9001dc2a | 3387 | if (!oideq(&j->item->object.oid, |
2b6ad0f4 JS |
3388 | &p->item->object.oid)) { |
3389 | can_fast_forward = 0; | |
3390 | break; | |
3391 | } | |
3392 | /* | |
3393 | * If the number of merge heads differs from the original merge | |
3394 | * commit, we cannot fast-forward. | |
3395 | */ | |
3396 | if (j || p) | |
d1e8b011 JS |
3397 | can_fast_forward = 0; |
3398 | } | |
3399 | ||
2b6ad0f4 | 3400 | if (can_fast_forward) { |
d1e8b011 | 3401 | rollback_lock_file(&lock); |
f11c9580 | 3402 | ret = fast_forward_to(r, &commit->object.oid, |
d1e8b011 JS |
3403 | &head_commit->object.oid, 0, opts); |
3404 | goto leave_merge; | |
3405 | } | |
3406 | ||
2b6ad0f4 JS |
3407 | if (to_merge->next) { |
3408 | /* Octopus merge */ | |
3409 | struct child_process cmd = CHILD_PROCESS_INIT; | |
3410 | ||
3411 | if (read_env_script(&cmd.env_array)) { | |
3412 | const char *gpg_opt = gpg_sign_opt_quoted(opts); | |
3413 | ||
3414 | ret = error(_(staged_changes_advice), gpg_opt, gpg_opt); | |
3415 | goto leave_merge; | |
3416 | } | |
3417 | ||
3418 | cmd.git_cmd = 1; | |
3419 | argv_array_push(&cmd.args, "merge"); | |
3420 | argv_array_push(&cmd.args, "-s"); | |
3421 | argv_array_push(&cmd.args, "octopus"); | |
3422 | argv_array_push(&cmd.args, "--no-edit"); | |
3423 | argv_array_push(&cmd.args, "--no-ff"); | |
3424 | argv_array_push(&cmd.args, "--no-log"); | |
3425 | argv_array_push(&cmd.args, "--no-stat"); | |
3426 | argv_array_push(&cmd.args, "-F"); | |
f11c9580 | 3427 | argv_array_push(&cmd.args, git_path_merge_msg(r)); |
2b6ad0f4 JS |
3428 | if (opts->gpg_sign) |
3429 | argv_array_push(&cmd.args, opts->gpg_sign); | |
3430 | ||
3431 | /* Add the tips to be merged */ | |
3432 | for (j = to_merge; j; j = j->next) | |
3433 | argv_array_push(&cmd.args, | |
3434 | oid_to_hex(&j->item->object.oid)); | |
3435 | ||
3436 | strbuf_release(&ref_name); | |
f11c9580 | 3437 | unlink(git_path_cherry_pick_head(r)); |
2b6ad0f4 JS |
3438 | rollback_lock_file(&lock); |
3439 | ||
3440 | rollback_lock_file(&lock); | |
3441 | ret = run_command(&cmd); | |
3442 | ||
3443 | /* force re-reading of the cache */ | |
f11c9580 | 3444 | if (!ret && (discard_index(r->index) < 0 || |
e1ff0a32 | 3445 | repo_read_index(r) < 0)) |
2b6ad0f4 JS |
3446 | ret = error(_("could not read index")); |
3447 | goto leave_merge; | |
3448 | } | |
3449 | ||
3450 | merge_commit = to_merge->item; | |
4c68e7dd | 3451 | bases = get_merge_bases(head_commit, merge_commit); |
4a7e27e9 JK |
3452 | if (bases && oideq(&merge_commit->object.oid, |
3453 | &bases->item->object.oid)) { | |
7ccdf65b JS |
3454 | ret = 0; |
3455 | /* skip merging an ancestor of HEAD */ | |
3456 | goto leave_merge; | |
3457 | } | |
3458 | ||
85f8d9da | 3459 | write_message(oid_to_hex(&merge_commit->object.oid), GIT_SHA1_HEXSZ, |
cde55548 JH |
3460 | git_path_merge_head(r), 0); |
3461 | write_message("no-ff", 5, git_path_merge_mode(r), 0); | |
85f8d9da | 3462 | |
4c68e7dd JS |
3463 | for (j = bases; j; j = j->next) |
3464 | commit_list_insert(j->item, &reversed); | |
3465 | free_commit_list(bases); | |
3466 | ||
e1ff0a32 | 3467 | repo_read_index(r); |
0d6caa2d | 3468 | init_merge_options(&o, r); |
4c68e7dd JS |
3469 | o.branch1 = "HEAD"; |
3470 | o.branch2 = ref_name.buf; | |
3471 | o.buffer_output = 2; | |
3472 | ||
3473 | ret = merge_recursive(&o, head_commit, merge_commit, reversed, &i); | |
3474 | if (ret <= 0) | |
3475 | fputs(o.obuf.buf, stdout); | |
3476 | strbuf_release(&o.obuf); | |
3477 | if (ret < 0) { | |
3478 | error(_("could not even attempt to merge '%.*s'"), | |
3479 | merge_arg_len, arg); | |
3480 | goto leave_merge; | |
3481 | } | |
3482 | /* | |
3483 | * The return value of merge_recursive() is 1 on clean, and 0 on | |
3484 | * unclean merge. | |
3485 | * | |
3486 | * Let's reverse that, so that do_merge() returns 0 upon success and | |
3487 | * 1 upon failed merge (keeping the return value -1 for the cases where | |
3488 | * we will want to reschedule the `merge` command). | |
3489 | */ | |
3490 | ret = !ret; | |
3491 | ||
f11c9580 NTND |
3492 | if (r->index->cache_changed && |
3493 | write_locked_index(r->index, &lock, COMMIT_LOCK)) { | |
4c68e7dd JS |
3494 | ret = error(_("merge: Unable to write new index file")); |
3495 | goto leave_merge; | |
3496 | } | |
3497 | ||
3498 | rollback_lock_file(&lock); | |
3499 | if (ret) | |
f11c9580 | 3500 | repo_rerere(r, opts->allow_rerere_auto); |
4c68e7dd JS |
3501 | else |
3502 | /* | |
3503 | * In case of problems, we now want to return a positive | |
3504 | * value (a negative one would indicate that the `merge` | |
3505 | * command needs to be rescheduled). | |
3506 | */ | |
f11c9580 NTND |
3507 | ret = !!run_git_commit(r, git_path_merge_msg(r), opts, |
3508 | run_commit_flags); | |
4c68e7dd JS |
3509 | |
3510 | leave_merge: | |
3511 | strbuf_release(&ref_name); | |
3512 | rollback_lock_file(&lock); | |
2b6ad0f4 | 3513 | free_commit_list(to_merge); |
4c68e7dd JS |
3514 | return ret; |
3515 | } | |
3516 | ||
6e98de72 JS |
3517 | static int is_final_fixup(struct todo_list *todo_list) |
3518 | { | |
3519 | int i = todo_list->current; | |
3520 | ||
3521 | if (!is_fixup(todo_list->items[i].command)) | |
3522 | return 0; | |
3523 | ||
3524 | while (++i < todo_list->nr) | |
3525 | if (is_fixup(todo_list->items[i].command)) | |
3526 | return 0; | |
3527 | else if (!is_noop(todo_list->items[i].command)) | |
3528 | break; | |
3529 | return 1; | |
3530 | } | |
3531 | ||
25cb8df9 JS |
3532 | static enum todo_command peek_command(struct todo_list *todo_list, int offset) |
3533 | { | |
3534 | int i; | |
3535 | ||
3536 | for (i = todo_list->current + offset; i < todo_list->nr; i++) | |
3537 | if (!is_noop(todo_list->items[i].command)) | |
3538 | return todo_list->items[i].command; | |
3539 | ||
3540 | return -1; | |
3541 | } | |
3542 | ||
796c7972 JS |
3543 | static int apply_autostash(struct replay_opts *opts) |
3544 | { | |
3545 | struct strbuf stash_sha1 = STRBUF_INIT; | |
3546 | struct child_process child = CHILD_PROCESS_INIT; | |
3547 | int ret = 0; | |
3548 | ||
3549 | if (!read_oneliner(&stash_sha1, rebase_path_autostash(), 1)) { | |
3550 | strbuf_release(&stash_sha1); | |
3551 | return 0; | |
3552 | } | |
3553 | strbuf_trim(&stash_sha1); | |
3554 | ||
3555 | child.git_cmd = 1; | |
79a62269 PW |
3556 | child.no_stdout = 1; |
3557 | child.no_stderr = 1; | |
796c7972 JS |
3558 | argv_array_push(&child.args, "stash"); |
3559 | argv_array_push(&child.args, "apply"); | |
3560 | argv_array_push(&child.args, stash_sha1.buf); | |
3561 | if (!run_command(&child)) | |
cdb866b3 | 3562 | fprintf(stderr, _("Applied autostash.\n")); |
796c7972 JS |
3563 | else { |
3564 | struct child_process store = CHILD_PROCESS_INIT; | |
3565 | ||
3566 | store.git_cmd = 1; | |
3567 | argv_array_push(&store.args, "stash"); | |
3568 | argv_array_push(&store.args, "store"); | |
3569 | argv_array_push(&store.args, "-m"); | |
3570 | argv_array_push(&store.args, "autostash"); | |
3571 | argv_array_push(&store.args, "-q"); | |
3572 | argv_array_push(&store.args, stash_sha1.buf); | |
3573 | if (run_command(&store)) | |
3574 | ret = error(_("cannot store %s"), stash_sha1.buf); | |
3575 | else | |
cdb866b3 JS |
3576 | fprintf(stderr, |
3577 | _("Applying autostash resulted in conflicts.\n" | |
3578 | "Your changes are safe in the stash.\n" | |
3579 | "You can run \"git stash pop\" or" | |
3580 | " \"git stash drop\" at any time.\n")); | |
796c7972 JS |
3581 | } |
3582 | ||
3583 | strbuf_release(&stash_sha1); | |
3584 | return ret; | |
3585 | } | |
3586 | ||
96e832a5 JS |
3587 | static const char *reflog_message(struct replay_opts *opts, |
3588 | const char *sub_action, const char *fmt, ...) | |
3589 | { | |
3590 | va_list ap; | |
3591 | static struct strbuf buf = STRBUF_INIT; | |
3592 | ||
3593 | va_start(ap, fmt); | |
3594 | strbuf_reset(&buf); | |
3595 | strbuf_addstr(&buf, action_name(opts)); | |
3596 | if (sub_action) | |
3597 | strbuf_addf(&buf, " (%s)", sub_action); | |
3598 | if (fmt) { | |
3599 | strbuf_addstr(&buf, ": "); | |
3600 | strbuf_vaddf(&buf, fmt, ap); | |
3601 | } | |
3602 | va_end(ap); | |
3603 | ||
3604 | return buf.buf; | |
3605 | } | |
3606 | ||
fc4a6735 PW |
3607 | static int run_git_checkout(struct repository *r, struct replay_opts *opts, |
3608 | const char *commit, const char *action) | |
2c58483a AG |
3609 | { |
3610 | struct child_process cmd = CHILD_PROCESS_INIT; | |
fc4a6735 | 3611 | int ret; |
2c58483a AG |
3612 | |
3613 | cmd.git_cmd = 1; | |
3614 | ||
3615 | argv_array_push(&cmd.args, "checkout"); | |
3616 | argv_array_push(&cmd.args, commit); | |
3617 | argv_array_pushf(&cmd.env_array, GIT_REFLOG_ACTION "=%s", action); | |
3618 | ||
3619 | if (opts->verbose) | |
fc4a6735 | 3620 | ret = run_command(&cmd); |
2c58483a | 3621 | else |
fc4a6735 PW |
3622 | ret = run_command_silent_on_success(&cmd); |
3623 | ||
3624 | if (!ret) | |
3625 | discard_index(r->index); | |
3626 | ||
3627 | return ret; | |
2c58483a AG |
3628 | } |
3629 | ||
fc4a6735 PW |
3630 | int prepare_branch_to_be_rebased(struct repository *r, struct replay_opts *opts, |
3631 | const char *commit) | |
2c58483a AG |
3632 | { |
3633 | const char *action; | |
3634 | ||
3635 | if (commit && *commit) { | |
3636 | action = reflog_message(opts, "start", "checkout %s", commit); | |
fc4a6735 | 3637 | if (run_git_checkout(r, opts, commit, action)) |
2c58483a AG |
3638 | return error(_("could not checkout %s"), commit); |
3639 | } | |
3640 | ||
3641 | return 0; | |
3642 | } | |
3643 | ||
fc4a6735 | 3644 | static int checkout_onto(struct repository *r, struct replay_opts *opts, |
7d3488eb | 3645 | const char *onto_name, const struct object_id *onto, |
91f0d95d | 3646 | const char *orig_head) |
4df66c40 AG |
3647 | { |
3648 | struct object_id oid; | |
3649 | const char *action = reflog_message(opts, "start", "checkout %s", onto_name); | |
3650 | ||
3651 | if (get_oid(orig_head, &oid)) | |
3652 | return error(_("%s: not a valid OID"), orig_head); | |
3653 | ||
7d3488eb | 3654 | if (run_git_checkout(r, opts, oid_to_hex(onto), action)) { |
4df66c40 AG |
3655 | apply_autostash(opts); |
3656 | sequencer_remove_state(opts); | |
3657 | return error(_("could not detach HEAD")); | |
3658 | } | |
3659 | ||
3660 | return update_ref(NULL, "ORIG_HEAD", &oid, NULL, 0, UPDATE_REFS_MSG_ON_ERR); | |
3661 | } | |
3662 | ||
005af339 | 3663 | static int stopped_at_head(struct repository *r) |
71f82465 JS |
3664 | { |
3665 | struct object_id head; | |
3666 | struct commit *commit; | |
3667 | struct commit_message message; | |
3668 | ||
789b1f70 | 3669 | if (get_oid("HEAD", &head) || |
005af339 | 3670 | !(commit = lookup_commit(r, &head)) || |
71f82465 JS |
3671 | parse_commit(commit) || get_message(commit, &message)) |
3672 | fprintf(stderr, _("Stopped at HEAD\n")); | |
3673 | else { | |
3674 | fprintf(stderr, _("Stopped at %s\n"), message.label); | |
3675 | free_message(commit, &message); | |
3676 | } | |
3677 | return 0; | |
3678 | ||
3679 | } | |
3680 | ||
cb5206ea JS |
3681 | static const char rescheduled_advice[] = |
3682 | N_("Could not execute the todo command\n" | |
3683 | "\n" | |
3684 | " %.*s" | |
3685 | "\n" | |
3686 | "It has been rescheduled; To edit the command before continuing, please\n" | |
3687 | "edit the todo list first:\n" | |
3688 | "\n" | |
3689 | " git rebase --edit-todo\n" | |
3690 | " git rebase --continue\n"); | |
3691 | ||
f11c9580 NTND |
3692 | static int pick_commits(struct repository *r, |
3693 | struct todo_list *todo_list, | |
3694 | struct replay_opts *opts) | |
043a4492 | 3695 | { |
9055e401 | 3696 | int res = 0, reschedule = 0; |
043a4492 RR |
3697 | |
3698 | setenv(GIT_REFLOG_ACTION, action_name(opts), 0); | |
3699 | if (opts->allow_ff) | |
3700 | assert(!(opts->signoff || opts->no_commit || | |
3701 | opts->record_origin || opts->edit)); | |
f11c9580 | 3702 | if (read_and_refresh_cache(r, opts)) |
0d9c6dc9 | 3703 | return -1; |
043a4492 | 3704 | |
004fefa7 JS |
3705 | while (todo_list->current < todo_list->nr) { |
3706 | struct todo_item *item = todo_list->items + todo_list->current; | |
6ad656db AG |
3707 | const char *arg = todo_item_get_arg(todo_list, item); |
3708 | ||
004fefa7 | 3709 | if (save_todo(todo_list, opts)) |
221675de | 3710 | return -1; |
6e98de72 | 3711 | if (is_rebase_i(opts)) { |
ef80069a JS |
3712 | if (item->command != TODO_COMMENT) { |
3713 | FILE *f = fopen(rebase_path_msgnum(), "w"); | |
3714 | ||
3715 | todo_list->done_nr++; | |
3716 | ||
3717 | if (f) { | |
3718 | fprintf(f, "%d\n", todo_list->done_nr); | |
3719 | fclose(f); | |
3720 | } | |
899b49c4 EN |
3721 | if (!opts->quiet) |
3722 | fprintf(stderr, "Rebasing (%d/%d)%s", | |
3723 | todo_list->done_nr, | |
3724 | todo_list->total_nr, | |
3725 | opts->verbose ? "\n" : "\r"); | |
ef80069a | 3726 | } |
6e98de72 JS |
3727 | unlink(rebase_path_message()); |
3728 | unlink(rebase_path_author_script()); | |
3729 | unlink(rebase_path_stopped_sha()); | |
3730 | unlink(rebase_path_amend()); | |
69c92209 | 3731 | unlink(git_path_merge_head(the_repository)); |
fbd7a232 | 3732 | delete_ref(NULL, "REBASE_HEAD", NULL, REF_NO_DEREF); |
71f82465 JS |
3733 | |
3734 | if (item->command == TODO_BREAK) | |
005af339 | 3735 | return stopped_at_head(r); |
6e98de72 JS |
3736 | } |
3737 | if (item->command <= TODO_SQUASH) { | |
8ab37ef2 JS |
3738 | if (is_rebase_i(opts)) |
3739 | setenv("GIT_REFLOG_ACTION", reflog_message(opts, | |
3740 | command_to_string(item->command), NULL), | |
3741 | 1); | |
f11c9580 | 3742 | res = do_pick_commit(r, item->command, item->commit, |
6e98de72 | 3743 | opts, is_final_fixup(todo_list)); |
9d7bf3cf JS |
3744 | if (is_rebase_i(opts) && res < 0) { |
3745 | /* Reschedule */ | |
cb5206ea JS |
3746 | advise(_(rescheduled_advice), |
3747 | get_item_line_length(todo_list, | |
3748 | todo_list->current), | |
3749 | get_item_line(todo_list, | |
3750 | todo_list->current)); | |
9d7bf3cf JS |
3751 | todo_list->current--; |
3752 | if (save_todo(todo_list, opts)) | |
3753 | return -1; | |
3754 | } | |
56dc3ab0 JS |
3755 | if (item->command == TODO_EDIT) { |
3756 | struct commit *commit = item->commit; | |
3757 | if (!res) | |
99429213 | 3758 | fprintf(stderr, |
a42e1b41 | 3759 | _("Stopped at %s... %.*s\n"), |
56dc3ab0 | 3760 | short_commit_name(commit), |
6ad656db | 3761 | item->arg_len, arg); |
f11c9580 | 3762 | return error_with_patch(r, commit, |
6ad656db | 3763 | arg, item->arg_len, opts, res, !res); |
56dc3ab0 | 3764 | } |
25cb8df9 JS |
3765 | if (is_rebase_i(opts) && !res) |
3766 | record_in_rewritten(&item->commit->object.oid, | |
3767 | peek_command(todo_list, 1)); | |
6e98de72 JS |
3768 | if (res && is_fixup(item->command)) { |
3769 | if (res == 1) | |
3770 | intend_to_amend(); | |
f11c9580 | 3771 | return error_failed_squash(r, item->commit, opts, |
6ad656db | 3772 | item->arg_len, arg); |
a9279c67 PW |
3773 | } else if (res && is_rebase_i(opts) && item->commit) { |
3774 | int to_amend = 0; | |
3775 | struct object_id oid; | |
3776 | ||
3777 | /* | |
3778 | * If we are rewording and have either | |
3779 | * fast-forwarded already, or are about to | |
3780 | * create a new root commit, we want to amend, | |
3781 | * otherwise we do not. | |
3782 | */ | |
3783 | if (item->command == TODO_REWORD && | |
3784 | !get_oid("HEAD", &oid) && | |
4a7e27e9 | 3785 | (oideq(&item->commit->object.oid, &oid) || |
a9279c67 | 3786 | (opts->have_squash_onto && |
4a7e27e9 | 3787 | oideq(&opts->squash_onto, &oid)))) |
a9279c67 PW |
3788 | to_amend = 1; |
3789 | ||
f11c9580 | 3790 | return res | error_with_patch(r, item->commit, |
6ad656db | 3791 | arg, item->arg_len, opts, |
a9279c67 PW |
3792 | res, to_amend); |
3793 | } | |
311af526 | 3794 | } else if (item->command == TODO_EXEC) { |
6ad656db | 3795 | char *end_of_arg = (char *)(arg + item->arg_len); |
311af526 | 3796 | int saved = *end_of_arg; |
54fd3243 | 3797 | struct stat st; |
311af526 JS |
3798 | |
3799 | *end_of_arg = '\0'; | |
6ad656db | 3800 | res = do_exec(r, arg); |
311af526 | 3801 | *end_of_arg = saved; |
54fd3243 | 3802 | |
d421afa0 JS |
3803 | if (res) { |
3804 | if (opts->reschedule_failed_exec) | |
3805 | reschedule = 1; | |
3806 | } else if (stat(get_todo_path(opts), &st)) | |
54fd3243 SH |
3807 | res = error_errno(_("could not stat '%s'"), |
3808 | get_todo_path(opts)); | |
3809 | else if (match_stat_data(&todo_list->stat, &st)) { | |
01710d0a | 3810 | /* Reread the todo file if it has changed. */ |
54fd3243 | 3811 | todo_list_release(todo_list); |
005af339 | 3812 | if (read_populate_todo(r, todo_list, opts)) |
54fd3243 SH |
3813 | res = -1; /* message was printed */ |
3814 | /* `current` will be incremented below */ | |
3815 | todo_list->current = -1; | |
3816 | } | |
9055e401 | 3817 | } else if (item->command == TODO_LABEL) { |
6ad656db | 3818 | if ((res = do_label(r, arg, item->arg_len))) |
9055e401 JS |
3819 | reschedule = 1; |
3820 | } else if (item->command == TODO_RESET) { | |
6ad656db | 3821 | if ((res = do_reset(r, arg, item->arg_len, opts))) |
9055e401 | 3822 | reschedule = 1; |
4c68e7dd | 3823 | } else if (item->command == TODO_MERGE) { |
f11c9580 | 3824 | if ((res = do_merge(r, item->commit, |
6ad656db | 3825 | arg, item->arg_len, |
4c68e7dd JS |
3826 | item->flags, opts)) < 0) |
3827 | reschedule = 1; | |
537e7d61 JS |
3828 | else if (item->commit) |
3829 | record_in_rewritten(&item->commit->object.oid, | |
3830 | peek_command(todo_list, 1)); | |
3831 | if (res > 0) | |
4c68e7dd | 3832 | /* failed with merge conflicts */ |
f11c9580 | 3833 | return error_with_patch(r, item->commit, |
6ad656db AG |
3834 | arg, item->arg_len, |
3835 | opts, res, 0); | |
56dc3ab0 | 3836 | } else if (!is_noop(item->command)) |
25c43667 JS |
3837 | return error(_("unknown command %d"), item->command); |
3838 | ||
9055e401 JS |
3839 | if (reschedule) { |
3840 | advise(_(rescheduled_advice), | |
3841 | get_item_line_length(todo_list, | |
3842 | todo_list->current), | |
3843 | get_item_line(todo_list, todo_list->current)); | |
3844 | todo_list->current--; | |
3845 | if (save_todo(todo_list, opts)) | |
3846 | return -1; | |
4c68e7dd | 3847 | if (item->commit) |
f11c9580 NTND |
3848 | return error_with_patch(r, |
3849 | item->commit, | |
6ad656db AG |
3850 | arg, item->arg_len, |
3851 | opts, res, 0); | |
9055e401 JS |
3852 | } |
3853 | ||
004fefa7 | 3854 | todo_list->current++; |
043a4492 RR |
3855 | if (res) |
3856 | return res; | |
3857 | } | |
3858 | ||
56dc3ab0 | 3859 | if (is_rebase_i(opts)) { |
4b83ce9f | 3860 | struct strbuf head_ref = STRBUF_INIT, buf = STRBUF_INIT; |
25cb8df9 | 3861 | struct stat st; |
556907f1 | 3862 | |
56dc3ab0 JS |
3863 | /* Stopped in the middle, as planned? */ |
3864 | if (todo_list->current < todo_list->nr) | |
3865 | return 0; | |
556907f1 | 3866 | |
4b83ce9f JS |
3867 | if (read_oneliner(&head_ref, rebase_path_head_name(), 0) && |
3868 | starts_with(head_ref.buf, "refs/")) { | |
96e832a5 | 3869 | const char *msg; |
092bbcdf | 3870 | struct object_id head, orig; |
4b83ce9f JS |
3871 | int res; |
3872 | ||
092bbcdf | 3873 | if (get_oid("HEAD", &head)) { |
4b83ce9f JS |
3874 | res = error(_("cannot read HEAD")); |
3875 | cleanup_head_ref: | |
3876 | strbuf_release(&head_ref); | |
3877 | strbuf_release(&buf); | |
3878 | return res; | |
3879 | } | |
3880 | if (!read_oneliner(&buf, rebase_path_orig_head(), 0) || | |
092bbcdf | 3881 | get_oid_hex(buf.buf, &orig)) { |
4b83ce9f JS |
3882 | res = error(_("could not read orig-head")); |
3883 | goto cleanup_head_ref; | |
3884 | } | |
4ab867b8 | 3885 | strbuf_reset(&buf); |
4b83ce9f JS |
3886 | if (!read_oneliner(&buf, rebase_path_onto(), 0)) { |
3887 | res = error(_("could not read 'onto'")); | |
3888 | goto cleanup_head_ref; | |
3889 | } | |
96e832a5 JS |
3890 | msg = reflog_message(opts, "finish", "%s onto %s", |
3891 | head_ref.buf, buf.buf); | |
ae077771 | 3892 | if (update_ref(msg, head_ref.buf, &head, &orig, |
91774afc | 3893 | REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) { |
4b83ce9f JS |
3894 | res = error(_("could not update %s"), |
3895 | head_ref.buf); | |
3896 | goto cleanup_head_ref; | |
3897 | } | |
96e832a5 | 3898 | msg = reflog_message(opts, "finish", "returning to %s", |
4b83ce9f | 3899 | head_ref.buf); |
96e832a5 | 3900 | if (create_symref("HEAD", head_ref.buf, msg)) { |
4b83ce9f JS |
3901 | res = error(_("could not update HEAD to %s"), |
3902 | head_ref.buf); | |
3903 | goto cleanup_head_ref; | |
3904 | } | |
3905 | strbuf_reset(&buf); | |
3906 | } | |
3907 | ||
556907f1 JS |
3908 | if (opts->verbose) { |
3909 | struct rev_info log_tree_opt; | |
3910 | struct object_id orig, head; | |
3911 | ||
3912 | memset(&log_tree_opt, 0, sizeof(log_tree_opt)); | |
f11c9580 | 3913 | repo_init_revisions(r, &log_tree_opt, NULL); |
556907f1 JS |
3914 | log_tree_opt.diff = 1; |
3915 | log_tree_opt.diffopt.output_format = | |
3916 | DIFF_FORMAT_DIFFSTAT; | |
3917 | log_tree_opt.disable_stdin = 1; | |
3918 | ||
3919 | if (read_oneliner(&buf, rebase_path_orig_head(), 0) && | |
e82caf38 | 3920 | !get_oid(buf.buf, &orig) && |
3921 | !get_oid("HEAD", &head)) { | |
66f414f8 BW |
3922 | diff_tree_oid(&orig, &head, "", |
3923 | &log_tree_opt.diffopt); | |
556907f1 JS |
3924 | log_tree_diff_flush(&log_tree_opt); |
3925 | } | |
3926 | } | |
25cb8df9 JS |
3927 | flush_rewritten_pending(); |
3928 | if (!stat(rebase_path_rewritten_list(), &st) && | |
3929 | st.st_size > 0) { | |
3930 | struct child_process child = CHILD_PROCESS_INIT; | |
79516045 JS |
3931 | const char *post_rewrite_hook = |
3932 | find_hook("post-rewrite"); | |
25cb8df9 JS |
3933 | |
3934 | child.in = open(rebase_path_rewritten_list(), O_RDONLY); | |
3935 | child.git_cmd = 1; | |
3936 | argv_array_push(&child.args, "notes"); | |
3937 | argv_array_push(&child.args, "copy"); | |
3938 | argv_array_push(&child.args, "--for-rewrite=rebase"); | |
3939 | /* we don't care if this copying failed */ | |
3940 | run_command(&child); | |
79516045 JS |
3941 | |
3942 | if (post_rewrite_hook) { | |
3943 | struct child_process hook = CHILD_PROCESS_INIT; | |
3944 | ||
3945 | hook.in = open(rebase_path_rewritten_list(), | |
3946 | O_RDONLY); | |
3947 | hook.stdout_to_stderr = 1; | |
6206286e | 3948 | hook.trace2_hook_name = "post-rewrite"; |
79516045 JS |
3949 | argv_array_push(&hook.args, post_rewrite_hook); |
3950 | argv_array_push(&hook.args, "rebase"); | |
3951 | /* we don't care if this hook failed */ | |
3952 | run_command(&hook); | |
3953 | } | |
25cb8df9 | 3954 | } |
796c7972 | 3955 | apply_autostash(opts); |
25cb8df9 | 3956 | |
899b49c4 EN |
3957 | if (!opts->quiet) |
3958 | fprintf(stderr, | |
3959 | "Successfully rebased and updated %s.\n", | |
3960 | head_ref.buf); | |
5da4966f | 3961 | |
556907f1 | 3962 | strbuf_release(&buf); |
4b83ce9f | 3963 | strbuf_release(&head_ref); |
56dc3ab0 JS |
3964 | } |
3965 | ||
043a4492 RR |
3966 | /* |
3967 | * Sequence of picks finished successfully; cleanup by | |
3968 | * removing the .git/sequencer directory | |
3969 | */ | |
2863584f | 3970 | return sequencer_remove_state(opts); |
043a4492 RR |
3971 | } |
3972 | ||
005af339 | 3973 | static int continue_single_pick(struct repository *r) |
043a4492 RR |
3974 | { |
3975 | const char *argv[] = { "commit", NULL }; | |
3976 | ||
005af339 NTND |
3977 | if (!file_exists(git_path_cherry_pick_head(r)) && |
3978 | !file_exists(git_path_revert_head(r))) | |
043a4492 RR |
3979 | return error(_("no cherry-pick or revert in progress")); |
3980 | return run_command_v_opt(argv, RUN_GIT_CMD); | |
3981 | } | |
3982 | ||
f11c9580 NTND |
3983 | static int commit_staged_changes(struct repository *r, |
3984 | struct replay_opts *opts, | |
15ef6931 | 3985 | struct todo_list *todo_list) |
9d93ccd1 | 3986 | { |
789b3eff | 3987 | unsigned int flags = ALLOW_EMPTY | EDIT_MSG; |
15ef6931 | 3988 | unsigned int final_fixup = 0, is_clean; |
9d93ccd1 | 3989 | |
f11c9580 | 3990 | if (has_unstaged_changes(r, 1)) |
9d93ccd1 | 3991 | return error(_("cannot rebase: You have unstaged changes.")); |
52632209 | 3992 | |
f11c9580 | 3993 | is_clean = !has_uncommitted_changes(r, 0); |
9d93ccd1 JS |
3994 | |
3995 | if (file_exists(rebase_path_amend())) { | |
3996 | struct strbuf rev = STRBUF_INIT; | |
092bbcdf | 3997 | struct object_id head, to_amend; |
9d93ccd1 | 3998 | |
092bbcdf | 3999 | if (get_oid("HEAD", &head)) |
9d93ccd1 JS |
4000 | return error(_("cannot amend non-existing commit")); |
4001 | if (!read_oneliner(&rev, rebase_path_amend(), 0)) | |
4002 | return error(_("invalid file: '%s'"), rebase_path_amend()); | |
092bbcdf | 4003 | if (get_oid_hex(rev.buf, &to_amend)) |
9d93ccd1 JS |
4004 | return error(_("invalid contents: '%s'"), |
4005 | rebase_path_amend()); | |
9001dc2a | 4006 | if (!is_clean && !oideq(&head, &to_amend)) |
9d93ccd1 JS |
4007 | return error(_("\nYou have uncommitted changes in your " |
4008 | "working tree. Please, commit them\n" | |
4009 | "first and then run 'git rebase " | |
4010 | "--continue' again.")); | |
15ef6931 JS |
4011 | /* |
4012 | * When skipping a failed fixup/squash, we need to edit the | |
4013 | * commit message, the current fixup list and count, and if it | |
4014 | * was the last fixup/squash in the chain, we need to clean up | |
4015 | * the commit message and if there was a squash, let the user | |
4016 | * edit it. | |
4017 | */ | |
10d2f354 JS |
4018 | if (!is_clean || !opts->current_fixup_count) |
4019 | ; /* this is not the final fixup */ | |
87ae8a1a | 4020 | else if (!oideq(&head, &to_amend) || |
10d2f354 JS |
4021 | !file_exists(rebase_path_stopped_sha())) { |
4022 | /* was a final fixup or squash done manually? */ | |
4023 | if (!is_fixup(peek_command(todo_list, 0))) { | |
4024 | unlink(rebase_path_fixup_msg()); | |
4025 | unlink(rebase_path_squash_msg()); | |
4026 | unlink(rebase_path_current_fixups()); | |
4027 | strbuf_reset(&opts->current_fixups); | |
4028 | opts->current_fixup_count = 0; | |
4029 | } | |
4030 | } else { | |
4031 | /* we are in a fixup/squash chain */ | |
15ef6931 JS |
4032 | const char *p = opts->current_fixups.buf; |
4033 | int len = opts->current_fixups.len; | |
4034 | ||
4035 | opts->current_fixup_count--; | |
4036 | if (!len) | |
4037 | BUG("Incorrect current_fixups:\n%s", p); | |
4038 | while (len && p[len - 1] != '\n') | |
4039 | len--; | |
4040 | strbuf_setlen(&opts->current_fixups, len); | |
4041 | if (write_message(p, len, rebase_path_current_fixups(), | |
4042 | 0) < 0) | |
4043 | return error(_("could not write file: '%s'"), | |
4044 | rebase_path_current_fixups()); | |
4045 | ||
4046 | /* | |
4047 | * If a fixup/squash in a fixup/squash chain failed, the | |
4048 | * commit message is already correct, no need to commit | |
4049 | * it again. | |
4050 | * | |
4051 | * Only if it is the final command in the fixup/squash | |
4052 | * chain, and only if the chain is longer than a single | |
4053 | * fixup/squash command (which was just skipped), do we | |
4054 | * actually need to re-commit with a cleaned up commit | |
4055 | * message. | |
4056 | */ | |
4057 | if (opts->current_fixup_count > 0 && | |
4058 | !is_fixup(peek_command(todo_list, 0))) { | |
4059 | final_fixup = 1; | |
4060 | /* | |
4061 | * If there was not a single "squash" in the | |
4062 | * chain, we only need to clean up the commit | |
4063 | * message, no need to bother the user with | |
4064 | * opening the commit message in the editor. | |
4065 | */ | |
4066 | if (!starts_with(p, "squash ") && | |
4067 | !strstr(p, "\nsquash ")) | |
4068 | flags = (flags & ~EDIT_MSG) | CLEANUP_MSG; | |
4069 | } else if (is_fixup(peek_command(todo_list, 0))) { | |
4070 | /* | |
4071 | * We need to update the squash message to skip | |
4072 | * the latest commit message. | |
4073 | */ | |
4074 | struct commit *commit; | |
4075 | const char *path = rebase_path_squash_msg(); | |
4076 | ||
005af339 | 4077 | if (parse_head(r, &commit) || |
15ef6931 JS |
4078 | !(p = get_commit_buffer(commit, NULL)) || |
4079 | write_message(p, strlen(p), path, 0)) { | |
4080 | unuse_commit_buffer(commit, p); | |
4081 | return error(_("could not write file: " | |
4082 | "'%s'"), path); | |
4083 | } | |
4084 | unuse_commit_buffer(commit, p); | |
4085 | } | |
4086 | } | |
9d93ccd1 JS |
4087 | |
4088 | strbuf_release(&rev); | |
789b3eff | 4089 | flags |= AMEND_MSG; |
9d93ccd1 JS |
4090 | } |
4091 | ||
15ef6931 | 4092 | if (is_clean) { |
f11c9580 | 4093 | const char *cherry_pick_head = git_path_cherry_pick_head(r); |
15ef6931 JS |
4094 | |
4095 | if (file_exists(cherry_pick_head) && unlink(cherry_pick_head)) | |
4096 | return error(_("could not remove CHERRY_PICK_HEAD")); | |
4097 | if (!final_fixup) | |
4098 | return 0; | |
4099 | } | |
4100 | ||
f11c9580 | 4101 | if (run_git_commit(r, final_fixup ? NULL : rebase_path_message(), |
15ef6931 | 4102 | opts, flags)) |
9d93ccd1 JS |
4103 | return error(_("could not commit staged changes.")); |
4104 | unlink(rebase_path_amend()); | |
69c92209 | 4105 | unlink(git_path_merge_head(the_repository)); |
15ef6931 JS |
4106 | if (final_fixup) { |
4107 | unlink(rebase_path_fixup_msg()); | |
4108 | unlink(rebase_path_squash_msg()); | |
4109 | } | |
4110 | if (opts->current_fixup_count > 0) { | |
4111 | /* | |
4112 | * Whether final fixup or not, we just cleaned up the commit | |
4113 | * message... | |
4114 | */ | |
4115 | unlink(rebase_path_current_fixups()); | |
4116 | strbuf_reset(&opts->current_fixups); | |
4117 | opts->current_fixup_count = 0; | |
4118 | } | |
9d93ccd1 JS |
4119 | return 0; |
4120 | } | |
4121 | ||
f11c9580 | 4122 | int sequencer_continue(struct repository *r, struct replay_opts *opts) |
043a4492 | 4123 | { |
004fefa7 JS |
4124 | struct todo_list todo_list = TODO_LIST_INIT; |
4125 | int res; | |
043a4492 | 4126 | |
f11c9580 | 4127 | if (read_and_refresh_cache(r, opts)) |
2863584f JS |
4128 | return -1; |
4129 | ||
15ef6931 JS |
4130 | if (read_populate_opts(opts)) |
4131 | return -1; | |
9d93ccd1 | 4132 | if (is_rebase_i(opts)) { |
005af339 | 4133 | if ((res = read_populate_todo(r, &todo_list, opts))) |
15ef6931 | 4134 | goto release_todo_list; |
f11c9580 | 4135 | if (commit_staged_changes(r, opts, &todo_list)) |
9d93ccd1 | 4136 | return -1; |
4258a6da | 4137 | } else if (!file_exists(get_todo_path(opts))) |
005af339 NTND |
4138 | return continue_single_pick(r); |
4139 | else if ((res = read_populate_todo(r, &todo_list, opts))) | |
004fefa7 | 4140 | goto release_todo_list; |
043a4492 | 4141 | |
4258a6da JS |
4142 | if (!is_rebase_i(opts)) { |
4143 | /* Verify that the conflict has been resolved */ | |
f11c9580 NTND |
4144 | if (file_exists(git_path_cherry_pick_head(r)) || |
4145 | file_exists(git_path_revert_head(r))) { | |
005af339 | 4146 | res = continue_single_pick(r); |
4258a6da JS |
4147 | if (res) |
4148 | goto release_todo_list; | |
4149 | } | |
ffc00a48 | 4150 | if (index_differs_from(r, "HEAD", NULL, 0)) { |
e1ff0a32 | 4151 | res = error_dirty_index(r, opts); |
004fefa7 | 4152 | goto release_todo_list; |
4258a6da JS |
4153 | } |
4154 | todo_list.current++; | |
ca98c6d4 JS |
4155 | } else if (file_exists(rebase_path_stopped_sha())) { |
4156 | struct strbuf buf = STRBUF_INIT; | |
4157 | struct object_id oid; | |
4158 | ||
4159 | if (read_oneliner(&buf, rebase_path_stopped_sha(), 1) && | |
e82caf38 | 4160 | !get_oid_committish(buf.buf, &oid)) |
ca98c6d4 JS |
4161 | record_in_rewritten(&oid, peek_command(&todo_list, 0)); |
4162 | strbuf_release(&buf); | |
043a4492 | 4163 | } |
4258a6da | 4164 | |
f11c9580 | 4165 | res = pick_commits(r, &todo_list, opts); |
004fefa7 JS |
4166 | release_todo_list: |
4167 | todo_list_release(&todo_list); | |
4168 | return res; | |
043a4492 RR |
4169 | } |
4170 | ||
f11c9580 NTND |
4171 | static int single_pick(struct repository *r, |
4172 | struct commit *cmit, | |
4173 | struct replay_opts *opts) | |
043a4492 RR |
4174 | { |
4175 | setenv(GIT_REFLOG_ACTION, action_name(opts), 0); | |
f11c9580 | 4176 | return do_pick_commit(r, opts->action == REPLAY_PICK ? |
6e98de72 | 4177 | TODO_PICK : TODO_REVERT, cmit, opts, 0); |
043a4492 RR |
4178 | } |
4179 | ||
f11c9580 NTND |
4180 | int sequencer_pick_revisions(struct repository *r, |
4181 | struct replay_opts *opts) | |
043a4492 | 4182 | { |
004fefa7 | 4183 | struct todo_list todo_list = TODO_LIST_INIT; |
1e43ed98 | 4184 | struct object_id oid; |
004fefa7 | 4185 | int i, res; |
043a4492 | 4186 | |
2863584f | 4187 | assert(opts->revs); |
f11c9580 | 4188 | if (read_and_refresh_cache(r, opts)) |
0d9c6dc9 | 4189 | return -1; |
043a4492 | 4190 | |
21246dbb | 4191 | for (i = 0; i < opts->revs->pending.nr; i++) { |
1e43ed98 | 4192 | struct object_id oid; |
21246dbb MV |
4193 | const char *name = opts->revs->pending.objects[i].name; |
4194 | ||
4195 | /* This happens when using --stdin. */ | |
4196 | if (!strlen(name)) | |
4197 | continue; | |
4198 | ||
1e43ed98 | 4199 | if (!get_oid(name, &oid)) { |
f11c9580 NTND |
4200 | if (!lookup_commit_reference_gently(r, &oid, 1)) { |
4201 | enum object_type type = oid_object_info(r, | |
0df8e965 | 4202 | &oid, |
abef9020 | 4203 | NULL); |
b9b946d4 | 4204 | return error(_("%s: can't cherry-pick a %s"), |
debca9d2 | 4205 | name, type_name(type)); |
7c0b0d8d | 4206 | } |
21246dbb | 4207 | } else |
b9b946d4 | 4208 | return error(_("%s: bad revision"), name); |
21246dbb MV |
4209 | } |
4210 | ||
043a4492 RR |
4211 | /* |
4212 | * If we were called as "git cherry-pick <commit>", just | |
4213 | * cherry-pick/revert it, set CHERRY_PICK_HEAD / | |
4214 | * REVERT_HEAD, and don't touch the sequencer state. | |
4215 | * This means it is possible to cherry-pick in the middle | |
4216 | * of a cherry-pick sequence. | |
4217 | */ | |
4218 | if (opts->revs->cmdline.nr == 1 && | |
4219 | opts->revs->cmdline.rev->whence == REV_CMD_REV && | |
4220 | opts->revs->no_walk && | |
4221 | !opts->revs->cmdline.rev->flags) { | |
4222 | struct commit *cmit; | |
4223 | if (prepare_revision_walk(opts->revs)) | |
b9b946d4 | 4224 | return error(_("revision walk setup failed")); |
043a4492 | 4225 | cmit = get_revision(opts->revs); |
c5e358d0 JK |
4226 | if (!cmit) |
4227 | return error(_("empty commit set passed")); | |
4228 | if (get_revision(opts->revs)) | |
4229 | BUG("unexpected extra commit from walk"); | |
f11c9580 | 4230 | return single_pick(r, cmit, opts); |
043a4492 RR |
4231 | } |
4232 | ||
4233 | /* | |
4234 | * Start a new cherry-pick/ revert sequence; but | |
4235 | * first, make sure that an existing one isn't in | |
4236 | * progress | |
4237 | */ | |
4238 | ||
34b0528b JS |
4239 | if (walk_revs_populate_todo(&todo_list, opts) || |
4240 | create_seq_dir() < 0) | |
043a4492 | 4241 | return -1; |
1e43ed98 | 4242 | if (get_oid("HEAD", &oid) && (opts->action == REPLAY_REVERT)) |
93b3df6f | 4243 | return error(_("can't revert as initial commit")); |
1e43ed98 | 4244 | if (save_head(oid_to_hex(&oid))) |
311fd397 | 4245 | return -1; |
88d5a271 JS |
4246 | if (save_opts(opts)) |
4247 | return -1; | |
1e41229d | 4248 | update_abort_safety_file(); |
f11c9580 | 4249 | res = pick_commits(r, &todo_list, opts); |
004fefa7 JS |
4250 | todo_list_release(&todo_list); |
4251 | return res; | |
043a4492 | 4252 | } |
5ed75e2a | 4253 | |
66e83d9b | 4254 | void append_signoff(struct strbuf *msgbuf, size_t ignore_footer, unsigned flag) |
5ed75e2a | 4255 | { |
bab4d109 | 4256 | unsigned no_dup_sob = flag & APPEND_SIGNOFF_DEDUP; |
5ed75e2a | 4257 | struct strbuf sob = STRBUF_INIT; |
bab4d109 | 4258 | int has_footer; |
5ed75e2a MV |
4259 | |
4260 | strbuf_addstr(&sob, sign_off_header); | |
39ab4d09 | 4261 | strbuf_addstr(&sob, fmt_name(WANT_COMMITTER_IDENT)); |
5ed75e2a | 4262 | strbuf_addch(&sob, '\n'); |
bab4d109 | 4263 | |
44dc738a JT |
4264 | if (!ignore_footer) |
4265 | strbuf_complete_line(msgbuf); | |
4266 | ||
bab4d109 BC |
4267 | /* |
4268 | * If the whole message buffer is equal to the sob, pretend that we | |
4269 | * found a conforming footer with a matching sob | |
4270 | */ | |
4271 | if (msgbuf->len - ignore_footer == sob.len && | |
4272 | !strncmp(msgbuf->buf, sob.buf, sob.len)) | |
4273 | has_footer = 3; | |
4274 | else | |
4275 | has_footer = has_conforming_footer(msgbuf, &sob, ignore_footer); | |
4276 | ||
33f2f9ab BC |
4277 | if (!has_footer) { |
4278 | const char *append_newlines = NULL; | |
4279 | size_t len = msgbuf->len - ignore_footer; | |
4280 | ||
8c613fd5 BC |
4281 | if (!len) { |
4282 | /* | |
4283 | * The buffer is completely empty. Leave foom for | |
4284 | * the title and body to be filled in by the user. | |
4285 | */ | |
33f2f9ab | 4286 | append_newlines = "\n\n"; |
8c613fd5 BC |
4287 | } else if (len == 1) { |
4288 | /* | |
4289 | * Buffer contains a single newline. Add another | |
4290 | * so that we leave room for the title and body. | |
4291 | */ | |
4292 | append_newlines = "\n"; | |
4293 | } else if (msgbuf->buf[len - 2] != '\n') { | |
4294 | /* | |
4295 | * Buffer ends with a single newline. Add another | |
4296 | * so that there is an empty line between the message | |
4297 | * body and the sob. | |
4298 | */ | |
33f2f9ab | 4299 | append_newlines = "\n"; |
8c613fd5 | 4300 | } /* else, the buffer already ends with two newlines. */ |
33f2f9ab BC |
4301 | |
4302 | if (append_newlines) | |
4303 | strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0, | |
4304 | append_newlines, strlen(append_newlines)); | |
5ed75e2a | 4305 | } |
bab4d109 BC |
4306 | |
4307 | if (has_footer != 3 && (!no_dup_sob || has_footer != 2)) | |
4308 | strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0, | |
4309 | sob.buf, sob.len); | |
4310 | ||
5ed75e2a MV |
4311 | strbuf_release(&sob); |
4312 | } | |
62db5247 | 4313 | |
1644c73c JS |
4314 | struct labels_entry { |
4315 | struct hashmap_entry entry; | |
4316 | char label[FLEX_ARRAY]; | |
4317 | }; | |
4318 | ||
4319 | static int labels_cmp(const void *fndata, const struct labels_entry *a, | |
4320 | const struct labels_entry *b, const void *key) | |
4321 | { | |
4322 | return key ? strcmp(a->label, key) : strcmp(a->label, b->label); | |
4323 | } | |
4324 | ||
4325 | struct string_entry { | |
4326 | struct oidmap_entry entry; | |
4327 | char string[FLEX_ARRAY]; | |
4328 | }; | |
4329 | ||
4330 | struct label_state { | |
4331 | struct oidmap commit2label; | |
4332 | struct hashmap labels; | |
4333 | struct strbuf buf; | |
4334 | }; | |
4335 | ||
4336 | static const char *label_oid(struct object_id *oid, const char *label, | |
4337 | struct label_state *state) | |
4338 | { | |
4339 | struct labels_entry *labels_entry; | |
4340 | struct string_entry *string_entry; | |
4341 | struct object_id dummy; | |
4342 | size_t len; | |
4343 | int i; | |
4344 | ||
4345 | string_entry = oidmap_get(&state->commit2label, oid); | |
4346 | if (string_entry) | |
4347 | return string_entry->string; | |
4348 | ||
4349 | /* | |
4350 | * For "uninteresting" commits, i.e. commits that are not to be | |
4351 | * rebased, and which can therefore not be labeled, we use a unique | |
4352 | * abbreviation of the commit name. This is slightly more complicated | |
4353 | * than calling find_unique_abbrev() because we also need to make | |
4354 | * sure that the abbreviation does not conflict with any other | |
4355 | * label. | |
4356 | * | |
4357 | * We disallow "interesting" commits to be labeled by a string that | |
4358 | * is a valid full-length hash, to ensure that we always can find an | |
4359 | * abbreviation for any uninteresting commit's names that does not | |
4360 | * clash with any other label. | |
4361 | */ | |
4362 | if (!label) { | |
4363 | char *p; | |
4364 | ||
4365 | strbuf_reset(&state->buf); | |
4366 | strbuf_grow(&state->buf, GIT_SHA1_HEXSZ); | |
4367 | label = p = state->buf.buf; | |
4368 | ||
4369 | find_unique_abbrev_r(p, oid, default_abbrev); | |
4370 | ||
4371 | /* | |
4372 | * We may need to extend the abbreviated hash so that there is | |
4373 | * no conflicting label. | |
4374 | */ | |
4375 | if (hashmap_get_from_hash(&state->labels, strihash(p), p)) { | |
4376 | size_t i = strlen(p) + 1; | |
4377 | ||
4378 | oid_to_hex_r(p, oid); | |
4379 | for (; i < GIT_SHA1_HEXSZ; i++) { | |
4380 | char save = p[i]; | |
4381 | p[i] = '\0'; | |
4382 | if (!hashmap_get_from_hash(&state->labels, | |
4383 | strihash(p), p)) | |
4384 | break; | |
4385 | p[i] = save; | |
4386 | } | |
4387 | } | |
5971b083 | 4388 | } else if (((len = strlen(label)) == the_hash_algo->hexsz && |
1644c73c JS |
4389 | !get_oid_hex(label, &dummy)) || |
4390 | (len == 1 && *label == '#') || | |
4391 | hashmap_get_from_hash(&state->labels, | |
4392 | strihash(label), label)) { | |
4393 | /* | |
4394 | * If the label already exists, or if the label is a valid full | |
4395 | * OID, or the label is a '#' (which we use as a separator | |
4396 | * between merge heads and oneline), we append a dash and a | |
4397 | * number to make it unique. | |
4398 | */ | |
4399 | struct strbuf *buf = &state->buf; | |
4400 | ||
4401 | strbuf_reset(buf); | |
4402 | strbuf_add(buf, label, len); | |
4403 | ||
4404 | for (i = 2; ; i++) { | |
4405 | strbuf_setlen(buf, len); | |
4406 | strbuf_addf(buf, "-%d", i); | |
4407 | if (!hashmap_get_from_hash(&state->labels, | |
4408 | strihash(buf->buf), | |
4409 | buf->buf)) | |
4410 | break; | |
4411 | } | |
4412 | ||
4413 | label = buf->buf; | |
4414 | } | |
4415 | ||
4416 | FLEX_ALLOC_STR(labels_entry, label, label); | |
4417 | hashmap_entry_init(labels_entry, strihash(label)); | |
4418 | hashmap_add(&state->labels, labels_entry); | |
4419 | ||
4420 | FLEX_ALLOC_STR(string_entry, string, label); | |
4421 | oidcpy(&string_entry->entry.oid, oid); | |
4422 | oidmap_put(&state->commit2label, string_entry); | |
4423 | ||
4424 | return string_entry->string; | |
4425 | } | |
4426 | ||
4427 | static int make_script_with_merges(struct pretty_print_context *pp, | |
d358fc28 | 4428 | struct rev_info *revs, struct strbuf *out, |
1644c73c JS |
4429 | unsigned flags) |
4430 | { | |
4431 | int keep_empty = flags & TODO_LIST_KEEP_EMPTY; | |
7543f6f4 | 4432 | int rebase_cousins = flags & TODO_LIST_REBASE_COUSINS; |
1644c73c JS |
4433 | struct strbuf buf = STRBUF_INIT, oneline = STRBUF_INIT; |
4434 | struct strbuf label = STRBUF_INIT; | |
4435 | struct commit_list *commits = NULL, **tail = &commits, *iter; | |
4436 | struct commit_list *tips = NULL, **tips_tail = &tips; | |
4437 | struct commit *commit; | |
4438 | struct oidmap commit2todo = OIDMAP_INIT; | |
4439 | struct string_entry *entry; | |
4440 | struct oidset interesting = OIDSET_INIT, child_seen = OIDSET_INIT, | |
4441 | shown = OIDSET_INIT; | |
4442 | struct label_state state = { OIDMAP_INIT, { NULL }, STRBUF_INIT }; | |
4443 | ||
4444 | int abbr = flags & TODO_LIST_ABBREVIATE_CMDS; | |
4445 | const char *cmd_pick = abbr ? "p" : "pick", | |
4446 | *cmd_label = abbr ? "l" : "label", | |
4447 | *cmd_reset = abbr ? "t" : "reset", | |
4448 | *cmd_merge = abbr ? "m" : "merge"; | |
4449 | ||
4450 | oidmap_init(&commit2todo, 0); | |
4451 | oidmap_init(&state.commit2label, 0); | |
4452 | hashmap_init(&state.labels, (hashmap_cmp_fn) labels_cmp, NULL, 0); | |
4453 | strbuf_init(&state.buf, 32); | |
4454 | ||
4455 | if (revs->cmdline.nr && (revs->cmdline.rev[0].flags & BOTTOM)) { | |
4456 | struct object_id *oid = &revs->cmdline.rev[0].item->oid; | |
4457 | FLEX_ALLOC_STR(entry, string, "onto"); | |
4458 | oidcpy(&entry->entry.oid, oid); | |
4459 | oidmap_put(&state.commit2label, entry); | |
4460 | } | |
4461 | ||
4462 | /* | |
4463 | * First phase: | |
4464 | * - get onelines for all commits | |
4465 | * - gather all branch tips (i.e. 2nd or later parents of merges) | |
4466 | * - label all branch tips | |
4467 | */ | |
4468 | while ((commit = get_revision(revs))) { | |
4469 | struct commit_list *to_merge; | |
1644c73c JS |
4470 | const char *p1, *p2; |
4471 | struct object_id *oid; | |
4472 | int is_empty; | |
4473 | ||
4474 | tail = &commit_list_insert(commit, tail)->next; | |
4475 | oidset_insert(&interesting, &commit->object.oid); | |
4476 | ||
4477 | is_empty = is_original_commit_empty(commit); | |
4478 | if (!is_empty && (commit->object.flags & PATCHSAME)) | |
4479 | continue; | |
4480 | ||
4481 | strbuf_reset(&oneline); | |
4482 | pretty_print_commit(pp, commit, &oneline); | |
4483 | ||
4484 | to_merge = commit->parents ? commit->parents->next : NULL; | |
4485 | if (!to_merge) { | |
4486 | /* non-merge commit: easy case */ | |
4487 | strbuf_reset(&buf); | |
4488 | if (!keep_empty && is_empty) | |
4489 | strbuf_addf(&buf, "%c ", comment_line_char); | |
4490 | strbuf_addf(&buf, "%s %s %s", cmd_pick, | |
4491 | oid_to_hex(&commit->object.oid), | |
4492 | oneline.buf); | |
4493 | ||
4494 | FLEX_ALLOC_STR(entry, string, buf.buf); | |
4495 | oidcpy(&entry->entry.oid, &commit->object.oid); | |
4496 | oidmap_put(&commit2todo, entry); | |
4497 | ||
4498 | continue; | |
4499 | } | |
4500 | ||
1644c73c JS |
4501 | /* Create a label */ |
4502 | strbuf_reset(&label); | |
4503 | if (skip_prefix(oneline.buf, "Merge ", &p1) && | |
4504 | (p1 = strchr(p1, '\'')) && | |
4505 | (p2 = strchr(++p1, '\''))) | |
4506 | strbuf_add(&label, p1, p2 - p1); | |
4507 | else if (skip_prefix(oneline.buf, "Merge pull request ", | |
4508 | &p1) && | |
4509 | (p1 = strstr(p1, " from "))) | |
4510 | strbuf_addstr(&label, p1 + strlen(" from ")); | |
4511 | else | |
4512 | strbuf_addbuf(&label, &oneline); | |
4513 | ||
4514 | for (p1 = label.buf; *p1; p1++) | |
4515 | if (isspace(*p1)) | |
4516 | *(char *)p1 = '-'; | |
4517 | ||
4518 | strbuf_reset(&buf); | |
4519 | strbuf_addf(&buf, "%s -C %s", | |
4520 | cmd_merge, oid_to_hex(&commit->object.oid)); | |
4521 | ||
2b6ad0f4 JS |
4522 | /* label the tips of merged branches */ |
4523 | for (; to_merge; to_merge = to_merge->next) { | |
4524 | oid = &to_merge->item->object.oid; | |
4525 | strbuf_addch(&buf, ' '); | |
4526 | ||
4527 | if (!oidset_contains(&interesting, oid)) { | |
4528 | strbuf_addstr(&buf, label_oid(oid, NULL, | |
4529 | &state)); | |
4530 | continue; | |
4531 | } | |
1644c73c | 4532 | |
1644c73c JS |
4533 | tips_tail = &commit_list_insert(to_merge->item, |
4534 | tips_tail)->next; | |
4535 | ||
4536 | strbuf_addstr(&buf, label_oid(oid, label.buf, &state)); | |
4537 | } | |
4538 | strbuf_addf(&buf, " # %s", oneline.buf); | |
4539 | ||
4540 | FLEX_ALLOC_STR(entry, string, buf.buf); | |
4541 | oidcpy(&entry->entry.oid, &commit->object.oid); | |
4542 | oidmap_put(&commit2todo, entry); | |
4543 | } | |
4544 | ||
4545 | /* | |
4546 | * Second phase: | |
4547 | * - label branch points | |
4548 | * - add HEAD to the branch tips | |
4549 | */ | |
4550 | for (iter = commits; iter; iter = iter->next) { | |
4551 | struct commit_list *parent = iter->item->parents; | |
4552 | for (; parent; parent = parent->next) { | |
4553 | struct object_id *oid = &parent->item->object.oid; | |
4554 | if (!oidset_contains(&interesting, oid)) | |
4555 | continue; | |
6e8fc70f | 4556 | if (oidset_insert(&child_seen, oid)) |
1644c73c JS |
4557 | label_oid(oid, "branch-point", &state); |
4558 | } | |
4559 | ||
4560 | /* Add HEAD as implict "tip of branch" */ | |
4561 | if (!iter->next) | |
4562 | tips_tail = &commit_list_insert(iter->item, | |
4563 | tips_tail)->next; | |
4564 | } | |
4565 | ||
4566 | /* | |
4567 | * Third phase: output the todo list. This is a bit tricky, as we | |
4568 | * want to avoid jumping back and forth between revisions. To | |
4569 | * accomplish that goal, we walk backwards from the branch tips, | |
4570 | * gathering commits not yet shown, reversing the list on the fly, | |
4571 | * then outputting that list (labeling revisions as needed). | |
4572 | */ | |
d358fc28 | 4573 | strbuf_addf(out, "%s onto\n", cmd_label); |
1644c73c JS |
4574 | for (iter = tips; iter; iter = iter->next) { |
4575 | struct commit_list *list = NULL, *iter2; | |
4576 | ||
4577 | commit = iter->item; | |
4578 | if (oidset_contains(&shown, &commit->object.oid)) | |
4579 | continue; | |
4580 | entry = oidmap_get(&state.commit2label, &commit->object.oid); | |
4581 | ||
4582 | if (entry) | |
d358fc28 | 4583 | strbuf_addf(out, "\n%c Branch %s\n", comment_line_char, entry->string); |
1644c73c | 4584 | else |
d358fc28 | 4585 | strbuf_addch(out, '\n'); |
1644c73c JS |
4586 | |
4587 | while (oidset_contains(&interesting, &commit->object.oid) && | |
4588 | !oidset_contains(&shown, &commit->object.oid)) { | |
4589 | commit_list_insert(commit, &list); | |
4590 | if (!commit->parents) { | |
4591 | commit = NULL; | |
4592 | break; | |
4593 | } | |
4594 | commit = commit->parents->item; | |
4595 | } | |
4596 | ||
4597 | if (!commit) | |
d358fc28 AG |
4598 | strbuf_addf(out, "%s %s\n", cmd_reset, |
4599 | rebase_cousins ? "onto" : "[new root]"); | |
1644c73c JS |
4600 | else { |
4601 | const char *to = NULL; | |
4602 | ||
4603 | entry = oidmap_get(&state.commit2label, | |
4604 | &commit->object.oid); | |
4605 | if (entry) | |
4606 | to = entry->string; | |
7543f6f4 JS |
4607 | else if (!rebase_cousins) |
4608 | to = label_oid(&commit->object.oid, NULL, | |
4609 | &state); | |
1644c73c JS |
4610 | |
4611 | if (!to || !strcmp(to, "onto")) | |
d358fc28 | 4612 | strbuf_addf(out, "%s onto\n", cmd_reset); |
1644c73c JS |
4613 | else { |
4614 | strbuf_reset(&oneline); | |
4615 | pretty_print_commit(pp, commit, &oneline); | |
d358fc28 AG |
4616 | strbuf_addf(out, "%s %s # %s\n", |
4617 | cmd_reset, to, oneline.buf); | |
1644c73c JS |
4618 | } |
4619 | } | |
4620 | ||
4621 | for (iter2 = list; iter2; iter2 = iter2->next) { | |
4622 | struct object_id *oid = &iter2->item->object.oid; | |
4623 | entry = oidmap_get(&commit2todo, oid); | |
4624 | /* only show if not already upstream */ | |
4625 | if (entry) | |
d358fc28 | 4626 | strbuf_addf(out, "%s\n", entry->string); |
1644c73c JS |
4627 | entry = oidmap_get(&state.commit2label, oid); |
4628 | if (entry) | |
d358fc28 AG |
4629 | strbuf_addf(out, "%s %s\n", |
4630 | cmd_label, entry->string); | |
1644c73c JS |
4631 | oidset_insert(&shown, oid); |
4632 | } | |
4633 | ||
4634 | free_commit_list(list); | |
4635 | } | |
4636 | ||
4637 | free_commit_list(commits); | |
4638 | free_commit_list(tips); | |
4639 | ||
4640 | strbuf_release(&label); | |
4641 | strbuf_release(&oneline); | |
4642 | strbuf_release(&buf); | |
4643 | ||
4644 | oidmap_free(&commit2todo, 1); | |
4645 | oidmap_free(&state.commit2label, 1); | |
4646 | hashmap_free(&state.labels, 1); | |
4647 | strbuf_release(&state.buf); | |
4648 | ||
4649 | return 0; | |
4650 | } | |
4651 | ||
d358fc28 AG |
4652 | int sequencer_make_script(struct repository *r, struct strbuf *out, int argc, |
4653 | const char **argv, unsigned flags) | |
62db5247 JS |
4654 | { |
4655 | char *format = NULL; | |
4656 | struct pretty_print_context pp = {0}; | |
62db5247 JS |
4657 | struct rev_info revs; |
4658 | struct commit *commit; | |
313a48ea | 4659 | int keep_empty = flags & TODO_LIST_KEEP_EMPTY; |
d8ae6c84 | 4660 | const char *insn = flags & TODO_LIST_ABBREVIATE_CMDS ? "p" : "pick"; |
1644c73c | 4661 | int rebase_merges = flags & TODO_LIST_REBASE_MERGES; |
62db5247 | 4662 | |
f11c9580 | 4663 | repo_init_revisions(r, &revs, NULL); |
62db5247 | 4664 | revs.verbose_header = 1; |
1644c73c JS |
4665 | if (!rebase_merges) |
4666 | revs.max_parents = 1; | |
76ea2358 | 4667 | revs.cherry_mark = 1; |
62db5247 JS |
4668 | revs.limited = 1; |
4669 | revs.reverse = 1; | |
4670 | revs.right_only = 1; | |
4671 | revs.sort_order = REV_SORT_IN_GRAPH_ORDER; | |
4672 | revs.topo_order = 1; | |
4673 | ||
4674 | revs.pretty_given = 1; | |
4675 | git_config_get_string("rebase.instructionFormat", &format); | |
4676 | if (!format || !*format) { | |
4677 | free(format); | |
4678 | format = xstrdup("%s"); | |
4679 | } | |
4680 | get_commit_format(format, &revs); | |
4681 | free(format); | |
4682 | pp.fmt = revs.commit_format; | |
4683 | pp.output_encoding = get_log_output_encoding(); | |
4684 | ||
4685 | if (setup_revisions(argc, argv, &revs, NULL) > 1) | |
4686 | return error(_("make_script: unhandled options")); | |
4687 | ||
4688 | if (prepare_revision_walk(&revs) < 0) | |
4689 | return error(_("make_script: error preparing revisions")); | |
4690 | ||
1644c73c JS |
4691 | if (rebase_merges) |
4692 | return make_script_with_merges(&pp, &revs, out, flags); | |
4693 | ||
62db5247 | 4694 | while ((commit = get_revision(&revs))) { |
76ea2358 PW |
4695 | int is_empty = is_original_commit_empty(commit); |
4696 | ||
4697 | if (!is_empty && (commit->object.flags & PATCHSAME)) | |
4698 | continue; | |
76ea2358 | 4699 | if (!keep_empty && is_empty) |
d358fc28 AG |
4700 | strbuf_addf(out, "%c ", comment_line_char); |
4701 | strbuf_addf(out, "%s %s ", insn, | |
d8ae6c84 | 4702 | oid_to_hex(&commit->object.oid)); |
d358fc28 AG |
4703 | pretty_print_commit(&pp, commit, out); |
4704 | strbuf_addch(out, '\n'); | |
62db5247 | 4705 | } |
62db5247 JS |
4706 | return 0; |
4707 | } | |
3546c8d9 | 4708 | |
0cce4a27 LB |
4709 | /* |
4710 | * Add commands after pick and (series of) squash/fixup commands | |
4711 | * in the todo list. | |
4712 | */ | |
1ba204de AG |
4713 | void todo_list_add_exec_commands(struct todo_list *todo_list, |
4714 | struct string_list *commands) | |
3546c8d9 | 4715 | { |
683153a4 AG |
4716 | struct strbuf *buf = &todo_list->buf; |
4717 | size_t base_offset = buf->len; | |
4718 | int i, insert, nr = 0, alloc = 0; | |
4719 | struct todo_item *items = NULL, *base_items = NULL; | |
3546c8d9 | 4720 | |
683153a4 AG |
4721 | base_items = xcalloc(commands->nr, sizeof(struct todo_item)); |
4722 | for (i = 0; i < commands->nr; i++) { | |
4723 | size_t command_len = strlen(commands->items[i].string); | |
3546c8d9 | 4724 | |
683153a4 AG |
4725 | strbuf_addstr(buf, commands->items[i].string); |
4726 | strbuf_addch(buf, '\n'); | |
3546c8d9 | 4727 | |
683153a4 AG |
4728 | base_items[i].command = TODO_EXEC; |
4729 | base_items[i].offset_in_buf = base_offset; | |
4730 | base_items[i].arg_offset = base_offset + strlen("exec "); | |
4731 | base_items[i].arg_len = command_len - strlen("exec "); | |
3546c8d9 | 4732 | |
683153a4 | 4733 | base_offset += command_len + 1; |
3546c8d9 JS |
4734 | } |
4735 | ||
1ace63bc JS |
4736 | /* |
4737 | * Insert <commands> after every pick. Here, fixup/squash chains | |
4738 | * are considered part of the pick, so we insert the commands *after* | |
4739 | * those chains if there are any. | |
683153a4 AG |
4740 | * |
4741 | * As we insert the exec commands immediatly after rearranging | |
4742 | * any fixups and before the user edits the list, a fixup chain | |
4743 | * can never contain comments (any comments are empty picks that | |
4744 | * have been commented out because the user did not specify | |
4745 | * --keep-empty). So, it is safe to insert an exec command | |
4746 | * without looking at the command following a comment. | |
1ace63bc | 4747 | */ |
683153a4 AG |
4748 | insert = 0; |
4749 | for (i = 0; i < todo_list->nr; i++) { | |
4750 | enum todo_command command = todo_list->items[i].command; | |
4751 | if (insert && !is_fixup(command)) { | |
4752 | ALLOC_GROW(items, nr + commands->nr, alloc); | |
4753 | COPY_ARRAY(items + nr, base_items, commands->nr); | |
4754 | nr += commands->nr; | |
4755 | ||
4756 | insert = 0; | |
0cce4a27 | 4757 | } |
1ace63bc | 4758 | |
683153a4 AG |
4759 | ALLOC_GROW(items, nr + 1, alloc); |
4760 | items[nr++] = todo_list->items[i]; | |
4761 | ||
1ace63bc | 4762 | if (command == TODO_PICK || command == TODO_MERGE) |
683153a4 | 4763 | insert = 1; |
0cce4a27 LB |
4764 | } |
4765 | ||
1ace63bc | 4766 | /* insert or append final <commands> */ |
683153a4 AG |
4767 | if (insert || nr == todo_list->nr) { |
4768 | ALLOC_GROW(items, nr + commands->nr, alloc); | |
4769 | COPY_ARRAY(items + nr, base_items, commands->nr); | |
4770 | nr += commands->nr; | |
4771 | } | |
0cce4a27 | 4772 | |
683153a4 AG |
4773 | free(base_items); |
4774 | FREE_AND_NULL(todo_list->items); | |
4775 | todo_list->items = items; | |
4776 | todo_list->nr = nr; | |
4777 | todo_list->alloc = alloc; | |
0cce4a27 | 4778 | } |
3546c8d9 | 4779 | |
616d7740 AG |
4780 | static void todo_list_to_strbuf(struct repository *r, struct todo_list *todo_list, |
4781 | struct strbuf *buf, int num, unsigned flags) | |
3546c8d9 | 4782 | { |
8dccc7a6 | 4783 | struct todo_item *item; |
616d7740 | 4784 | int i, max = todo_list->nr; |
3546c8d9 | 4785 | |
616d7740 AG |
4786 | if (num > 0 && num < max) |
4787 | max = num; | |
3546c8d9 | 4788 | |
616d7740 | 4789 | for (item = todo_list->items, i = 0; i < max; i++, item++) { |
8dccc7a6 LB |
4790 | /* if the item is not a command write it and continue */ |
4791 | if (item->command >= TODO_COMMENT) { | |
616d7740 | 4792 | strbuf_addf(buf, "%.*s\n", item->arg_len, |
cbef27d6 | 4793 | todo_item_get_arg(todo_list, item)); |
8dccc7a6 | 4794 | continue; |
3546c8d9 | 4795 | } |
8dccc7a6 LB |
4796 | |
4797 | /* add command to the buffer */ | |
d8ae6c84 | 4798 | if (flags & TODO_LIST_ABBREVIATE_CMDS) |
616d7740 | 4799 | strbuf_addch(buf, command_to_char(item->command)); |
d8ae6c84 | 4800 | else |
616d7740 | 4801 | strbuf_addstr(buf, command_to_string(item->command)); |
8dccc7a6 LB |
4802 | |
4803 | /* add commit id */ | |
4804 | if (item->commit) { | |
313a48ea | 4805 | const char *oid = flags & TODO_LIST_SHORTEN_IDS ? |
8dccc7a6 LB |
4806 | short_commit_name(item->commit) : |
4807 | oid_to_hex(&item->commit->object.oid); | |
4808 | ||
4c68e7dd JS |
4809 | if (item->command == TODO_MERGE) { |
4810 | if (item->flags & TODO_EDIT_MERGE_MSG) | |
616d7740 | 4811 | strbuf_addstr(buf, " -c"); |
4c68e7dd | 4812 | else |
616d7740 | 4813 | strbuf_addstr(buf, " -C"); |
4c68e7dd JS |
4814 | } |
4815 | ||
616d7740 | 4816 | strbuf_addf(buf, " %s", oid); |
3546c8d9 | 4817 | } |
4c68e7dd | 4818 | |
8dccc7a6 | 4819 | /* add all the rest */ |
c7b4d79c | 4820 | if (!item->arg_len) |
616d7740 | 4821 | strbuf_addch(buf, '\n'); |
c7b4d79c | 4822 | else |
616d7740 | 4823 | strbuf_addf(buf, " %.*s\n", item->arg_len, |
cbef27d6 | 4824 | todo_item_get_arg(todo_list, item)); |
3546c8d9 | 4825 | } |
3546c8d9 | 4826 | } |
94399949 | 4827 | |
616d7740 AG |
4828 | int todo_list_write_to_file(struct repository *r, struct todo_list *todo_list, |
4829 | const char *file, const char *shortrevisions, | |
4830 | const char *shortonto, int num, unsigned flags) | |
94399949 | 4831 | { |
af1fc3ad | 4832 | int res; |
616d7740 | 4833 | struct strbuf buf = STRBUF_INIT; |
94399949 | 4834 | |
616d7740 | 4835 | todo_list_to_strbuf(r, todo_list, &buf, num, flags); |
af1fc3ad AG |
4836 | if (flags & TODO_LIST_APPEND_TODO_HELP) |
4837 | append_todo_help(flags & TODO_LIST_KEEP_EMPTY, count_commands(todo_list), | |
4838 | shortrevisions, shortonto, &buf); | |
94399949 | 4839 | |
616d7740 | 4840 | res = write_message(buf.buf, buf.len, file, 0); |
cbef27d6 | 4841 | strbuf_release(&buf); |
8315bd20 | 4842 | |
616d7740 | 4843 | return res; |
cbef27d6 | 4844 | } |
94399949 | 4845 | |
6ca89c6f AG |
4846 | static const char edit_todo_list_advice[] = |
4847 | N_("You can fix this with 'git rebase --edit-todo' " | |
4848 | "and then run 'git rebase --continue'.\n" | |
4849 | "Or you can abort the rebase with 'git rebase" | |
4850 | " --abort'.\n"); | |
94399949 | 4851 | |
6ca89c6f | 4852 | int check_todo_list_from_file(struct repository *r) |
94399949 | 4853 | { |
6ca89c6f AG |
4854 | struct todo_list old_todo = TODO_LIST_INIT, new_todo = TODO_LIST_INIT; |
4855 | int res = 0; | |
94399949 | 4856 | |
6ca89c6f | 4857 | if (strbuf_read_file_or_whine(&new_todo.buf, rebase_path_todo()) < 0) { |
87805600 | 4858 | res = -1; |
6ca89c6f | 4859 | goto out; |
94399949 JS |
4860 | } |
4861 | ||
6ca89c6f | 4862 | if (strbuf_read_file_or_whine(&old_todo.buf, rebase_path_todo_backup()) < 0) { |
87805600 | 4863 | res = -1; |
6ca89c6f | 4864 | goto out; |
94399949 JS |
4865 | } |
4866 | ||
6ca89c6f AG |
4867 | res = todo_list_parse_insn_buffer(r, old_todo.buf.buf, &old_todo); |
4868 | if (!res) | |
4869 | res = todo_list_parse_insn_buffer(r, new_todo.buf.buf, &new_todo); | |
4870 | if (!res) | |
4871 | res = todo_list_check(&old_todo, &new_todo); | |
4872 | if (res) | |
4873 | fprintf(stderr, _(edit_todo_list_advice)); | |
4874 | out: | |
4875 | todo_list_release(&old_todo); | |
4876 | todo_list_release(&new_todo); | |
94399949 JS |
4877 | |
4878 | return res; | |
4879 | } | |
cdac2b01 JS |
4880 | |
4881 | /* skip picking commits whose parents are unchanged */ | |
6bfeb7f1 AG |
4882 | static int skip_unnecessary_picks(struct repository *r, |
4883 | struct todo_list *todo_list, | |
4884 | struct object_id *base_oid) | |
cdac2b01 | 4885 | { |
d4ed5d77 | 4886 | struct object_id *parent_oid; |
6bfeb7f1 | 4887 | int i; |
cdac2b01 | 4888 | |
6bfeb7f1 AG |
4889 | for (i = 0; i < todo_list->nr; i++) { |
4890 | struct todo_item *item = todo_list->items + i; | |
cdac2b01 JS |
4891 | |
4892 | if (item->command >= TODO_NOOP) | |
4893 | continue; | |
4894 | if (item->command != TODO_PICK) | |
4895 | break; | |
4896 | if (parse_commit(item->commit)) { | |
cdac2b01 JS |
4897 | return error(_("could not parse commit '%s'"), |
4898 | oid_to_hex(&item->commit->object.oid)); | |
4899 | } | |
4900 | if (!item->commit->parents) | |
4901 | break; /* root commit */ | |
4902 | if (item->commit->parents->next) | |
4903 | break; /* merge commit */ | |
4904 | parent_oid = &item->commit->parents->item->object.oid; | |
6bfeb7f1 | 4905 | if (!oideq(parent_oid, base_oid)) |
cdac2b01 | 4906 | break; |
6bfeb7f1 | 4907 | oidcpy(base_oid, &item->commit->object.oid); |
cdac2b01 JS |
4908 | } |
4909 | if (i > 0) { | |
cdac2b01 JS |
4910 | const char *done_path = rebase_path_done(); |
4911 | ||
6bfeb7f1 | 4912 | if (todo_list_write_to_file(r, todo_list, done_path, NULL, NULL, i, 0)) { |
cdac2b01 | 4913 | error_errno(_("could not write to '%s'"), done_path); |
cdac2b01 JS |
4914 | return -1; |
4915 | } | |
cdac2b01 | 4916 | |
6bfeb7f1 AG |
4917 | MOVE_ARRAY(todo_list->items, todo_list->items + i, todo_list->nr - i); |
4918 | todo_list->nr -= i; | |
4919 | todo_list->current = 0; | |
cdac2b01 | 4920 | |
6bfeb7f1 AG |
4921 | if (is_fixup(peek_command(todo_list, 0))) |
4922 | record_in_rewritten(base_oid, peek_command(todo_list, 0)); | |
cdac2b01 JS |
4923 | } |
4924 | ||
cdac2b01 JS |
4925 | return 0; |
4926 | } | |
c44a4c65 | 4927 | |
005af339 | 4928 | int complete_action(struct repository *r, struct replay_opts *opts, unsigned flags, |
b97e1873 | 4929 | const char *shortrevisions, const char *onto_name, |
7d3488eb PW |
4930 | struct commit *onto, const char *orig_head, |
4931 | struct string_list *commands, unsigned autosquash, | |
4932 | struct todo_list *todo_list) | |
b97e1873 AG |
4933 | { |
4934 | const char *shortonto, *todo_file = rebase_path_todo(); | |
94bcad79 AG |
4935 | struct todo_list new_todo = TODO_LIST_INIT; |
4936 | struct strbuf *buf = &todo_list->buf; | |
7d3488eb | 4937 | struct object_id oid = onto->object.oid; |
1451d0f6 | 4938 | int res; |
b97e1873 | 4939 | |
b97e1873 AG |
4940 | shortonto = find_unique_abbrev(&oid, DEFAULT_ABBREV); |
4941 | ||
94bcad79 AG |
4942 | if (buf->len == 0) { |
4943 | struct todo_item *item = append_new_todo(todo_list); | |
4944 | item->command = TODO_NOOP; | |
4945 | item->commit = NULL; | |
4946 | item->arg_len = item->arg_offset = item->flags = item->offset_in_buf = 0; | |
4947 | } | |
b97e1873 | 4948 | |
94bcad79 | 4949 | if (autosquash && todo_list_rearrange_squash(todo_list)) |
b97e1873 AG |
4950 | return -1; |
4951 | ||
683153a4 | 4952 | if (commands->nr) |
94bcad79 | 4953 | todo_list_add_exec_commands(todo_list, commands); |
b97e1873 | 4954 | |
94bcad79 | 4955 | if (count_commands(todo_list) == 0) { |
b97e1873 AG |
4956 | apply_autostash(opts); |
4957 | sequencer_remove_state(opts); | |
b97e1873 AG |
4958 | |
4959 | return error(_("nothing to do")); | |
4960 | } | |
4961 | ||
1451d0f6 AG |
4962 | res = edit_todo_list(r, todo_list, &new_todo, shortrevisions, |
4963 | shortonto, flags); | |
4964 | if (res == -1) | |
b97e1873 | 4965 | return -1; |
1451d0f6 | 4966 | else if (res == -2) { |
b97e1873 AG |
4967 | apply_autostash(opts); |
4968 | sequencer_remove_state(opts); | |
b97e1873 AG |
4969 | |
4970 | return -1; | |
1451d0f6 | 4971 | } else if (res == -3) { |
b97e1873 AG |
4972 | apply_autostash(opts); |
4973 | sequencer_remove_state(opts); | |
94bcad79 | 4974 | todo_list_release(&new_todo); |
b97e1873 AG |
4975 | |
4976 | return error(_("nothing to do")); | |
4977 | } | |
4978 | ||
94bcad79 AG |
4979 | if (todo_list_parse_insn_buffer(r, new_todo.buf.buf, &new_todo) || |
4980 | todo_list_check(todo_list, &new_todo)) { | |
4981 | fprintf(stderr, _(edit_todo_list_advice)); | |
7d3488eb | 4982 | checkout_onto(r, opts, onto_name, &onto->object.oid, orig_head); |
94bcad79 AG |
4983 | todo_list_release(&new_todo); |
4984 | ||
b97e1873 AG |
4985 | return -1; |
4986 | } | |
4987 | ||
6bfeb7f1 AG |
4988 | if (opts->allow_ff && skip_unnecessary_picks(r, &new_todo, &oid)) { |
4989 | todo_list_release(&new_todo); | |
b97e1873 | 4990 | return error(_("could not skip unnecessary pick commands")); |
6bfeb7f1 AG |
4991 | } |
4992 | ||
94bcad79 AG |
4993 | if (todo_list_write_to_file(r, &new_todo, todo_file, NULL, NULL, -1, |
4994 | flags & ~(TODO_LIST_SHORTEN_IDS))) { | |
4995 | todo_list_release(&new_todo); | |
4996 | return error_errno(_("could not write '%s'"), todo_file); | |
4997 | } | |
4998 | ||
4999 | todo_list_release(&new_todo); | |
b97e1873 | 5000 | |
7d3488eb | 5001 | if (checkout_onto(r, opts, onto_name, &oid, orig_head)) |
b97e1873 | 5002 | return -1; |
29d51e21 | 5003 | |
005af339 | 5004 | if (require_clean_work_tree(r, "rebase", "", 1, 1)) |
b97e1873 AG |
5005 | return -1; |
5006 | ||
005af339 | 5007 | return sequencer_continue(r, opts); |
b97e1873 AG |
5008 | } |
5009 | ||
c44a4c65 JS |
5010 | struct subject2item_entry { |
5011 | struct hashmap_entry entry; | |
5012 | int i; | |
5013 | char subject[FLEX_ARRAY]; | |
5014 | }; | |
5015 | ||
5016 | static int subject2item_cmp(const void *fndata, | |
5017 | const struct subject2item_entry *a, | |
5018 | const struct subject2item_entry *b, const void *key) | |
5019 | { | |
5020 | return key ? strcmp(a->subject, key) : strcmp(a->subject, b->subject); | |
5021 | } | |
5022 | ||
3cc0287b NTND |
5023 | define_commit_slab(commit_todo_item, struct todo_item *); |
5024 | ||
c44a4c65 JS |
5025 | /* |
5026 | * Rearrange the todo list that has both "pick commit-id msg" and "pick | |
5027 | * commit-id fixup!/squash! msg" in it so that the latter is put immediately | |
5028 | * after the former, and change "pick" to "fixup"/"squash". | |
5029 | * | |
5030 | * Note that if the config has specified a custom instruction format, each log | |
5031 | * message will have to be retrieved from the commit (as the oneline in the | |
5032 | * script cannot be trusted) in order to normalize the autosquash arrangement. | |
5033 | */ | |
79d7e883 | 5034 | int todo_list_rearrange_squash(struct todo_list *todo_list) |
c44a4c65 | 5035 | { |
c44a4c65 | 5036 | struct hashmap subject2item; |
f2a04904 | 5037 | int rearranged = 0, *next, *tail, i, nr = 0, alloc = 0; |
c44a4c65 | 5038 | char **subjects; |
3cc0287b | 5039 | struct commit_todo_item commit_todo; |
f2a04904 | 5040 | struct todo_item *items = NULL; |
c44a4c65 | 5041 | |
3cc0287b | 5042 | init_commit_todo_item(&commit_todo); |
c44a4c65 JS |
5043 | /* |
5044 | * The hashmap maps onelines to the respective todo list index. | |
5045 | * | |
5046 | * If any items need to be rearranged, the next[i] value will indicate | |
5047 | * which item was moved directly after the i'th. | |
5048 | * | |
5049 | * In that case, last[i] will indicate the index of the latest item to | |
5050 | * be moved to appear after the i'th. | |
5051 | */ | |
5052 | hashmap_init(&subject2item, (hashmap_cmp_fn) subject2item_cmp, | |
f2a04904 AG |
5053 | NULL, todo_list->nr); |
5054 | ALLOC_ARRAY(next, todo_list->nr); | |
5055 | ALLOC_ARRAY(tail, todo_list->nr); | |
5056 | ALLOC_ARRAY(subjects, todo_list->nr); | |
5057 | for (i = 0; i < todo_list->nr; i++) { | |
c44a4c65 | 5058 | struct strbuf buf = STRBUF_INIT; |
f2a04904 | 5059 | struct todo_item *item = todo_list->items + i; |
c44a4c65 JS |
5060 | const char *commit_buffer, *subject, *p; |
5061 | size_t subject_len; | |
5062 | int i2 = -1; | |
5063 | struct subject2item_entry *entry; | |
5064 | ||
5065 | next[i] = tail[i] = -1; | |
2f6b1d13 | 5066 | if (!item->commit || item->command == TODO_DROP) { |
c44a4c65 JS |
5067 | subjects[i] = NULL; |
5068 | continue; | |
5069 | } | |
5070 | ||
5071 | if (is_fixup(item->command)) { | |
3cc0287b | 5072 | clear_commit_todo_item(&commit_todo); |
c44a4c65 JS |
5073 | return error(_("the script was already rearranged.")); |
5074 | } | |
5075 | ||
3cc0287b | 5076 | *commit_todo_item_at(&commit_todo, item->commit) = item; |
c44a4c65 JS |
5077 | |
5078 | parse_commit(item->commit); | |
5079 | commit_buffer = get_commit_buffer(item->commit, NULL); | |
5080 | find_commit_subject(commit_buffer, &subject); | |
5081 | format_subject(&buf, subject, " "); | |
5082 | subject = subjects[i] = strbuf_detach(&buf, &subject_len); | |
5083 | unuse_commit_buffer(item->commit, commit_buffer); | |
5084 | if ((skip_prefix(subject, "fixup! ", &p) || | |
5085 | skip_prefix(subject, "squash! ", &p))) { | |
5086 | struct commit *commit2; | |
5087 | ||
5088 | for (;;) { | |
5089 | while (isspace(*p)) | |
5090 | p++; | |
5091 | if (!skip_prefix(p, "fixup! ", &p) && | |
5092 | !skip_prefix(p, "squash! ", &p)) | |
5093 | break; | |
5094 | } | |
5095 | ||
5096 | if ((entry = hashmap_get_from_hash(&subject2item, | |
5097 | strhash(p), p))) | |
5098 | /* found by title */ | |
5099 | i2 = entry->i; | |
5100 | else if (!strchr(p, ' ') && | |
5101 | (commit2 = | |
5102 | lookup_commit_reference_by_name(p)) && | |
3cc0287b | 5103 | *commit_todo_item_at(&commit_todo, commit2)) |
c44a4c65 | 5104 | /* found by commit name */ |
3cc0287b | 5105 | i2 = *commit_todo_item_at(&commit_todo, commit2) |
f2a04904 | 5106 | - todo_list->items; |
c44a4c65 JS |
5107 | else { |
5108 | /* copy can be a prefix of the commit subject */ | |
5109 | for (i2 = 0; i2 < i; i2++) | |
5110 | if (subjects[i2] && | |
5111 | starts_with(subjects[i2], p)) | |
5112 | break; | |
5113 | if (i2 == i) | |
5114 | i2 = -1; | |
5115 | } | |
5116 | } | |
5117 | if (i2 >= 0) { | |
5118 | rearranged = 1; | |
f2a04904 | 5119 | todo_list->items[i].command = |
c44a4c65 JS |
5120 | starts_with(subject, "fixup!") ? |
5121 | TODO_FIXUP : TODO_SQUASH; | |
5122 | if (next[i2] < 0) | |
5123 | next[i2] = i; | |
5124 | else | |
5125 | next[tail[i2]] = i; | |
5126 | tail[i2] = i; | |
5127 | } else if (!hashmap_get_from_hash(&subject2item, | |
5128 | strhash(subject), subject)) { | |
5129 | FLEX_ALLOC_MEM(entry, subject, subject, subject_len); | |
5130 | entry->i = i; | |
5131 | hashmap_entry_init(entry, strhash(entry->subject)); | |
5132 | hashmap_put(&subject2item, entry); | |
5133 | } | |
5134 | } | |
5135 | ||
5136 | if (rearranged) { | |
f2a04904 AG |
5137 | for (i = 0; i < todo_list->nr; i++) { |
5138 | enum todo_command command = todo_list->items[i].command; | |
c44a4c65 JS |
5139 | int cur = i; |
5140 | ||
5141 | /* | |
5142 | * Initially, all commands are 'pick's. If it is a | |
5143 | * fixup or a squash now, we have rearranged it. | |
5144 | */ | |
5145 | if (is_fixup(command)) | |
5146 | continue; | |
5147 | ||
5148 | while (cur >= 0) { | |
f2a04904 AG |
5149 | ALLOC_GROW(items, nr + 1, alloc); |
5150 | items[nr++] = todo_list->items[cur]; | |
c44a4c65 JS |
5151 | cur = next[cur]; |
5152 | } | |
5153 | } | |
5154 | ||
f2a04904 AG |
5155 | FREE_AND_NULL(todo_list->items); |
5156 | todo_list->items = items; | |
5157 | todo_list->nr = nr; | |
5158 | todo_list->alloc = alloc; | |
c44a4c65 JS |
5159 | } |
5160 | ||
5161 | free(next); | |
5162 | free(tail); | |
f2a04904 | 5163 | for (i = 0; i < todo_list->nr; i++) |
c44a4c65 JS |
5164 | free(subjects[i]); |
5165 | free(subjects); | |
5166 | hashmap_free(&subject2item, 1); | |
c44a4c65 | 5167 | |
3cc0287b | 5168 | clear_commit_todo_item(&commit_todo); |
f2a04904 AG |
5169 | |
5170 | return 0; | |
c44a4c65 | 5171 | } |