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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; |
37e9ee5c | 282 | int i, ret = 0; |
03a4e260 | 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'; | |
37e9ee5c | 291 | if (delete_ref("(rebase -i) cleanup", p, NULL, 0) < 0) { |
9055e401 | 292 | warning(_("could not delete '%s'"), p); |
37e9ee5c PW |
293 | ret = -1; |
294 | } | |
9055e401 JS |
295 | if (!eol) |
296 | break; | |
297 | p = eol + 1; | |
298 | } | |
299 | } | |
300 | ||
03a4e260 JS |
301 | free(opts->gpg_sign); |
302 | free(opts->strategy); | |
303 | for (i = 0; i < opts->xopts_nr; i++) | |
304 | free(opts->xopts[i]); | |
305 | free(opts->xopts); | |
e12a7ef5 | 306 | strbuf_release(&opts->current_fixups); |
26ae337b | 307 | |
9055e401 JS |
308 | strbuf_reset(&buf); |
309 | strbuf_addstr(&buf, get_dir(opts)); | |
37e9ee5c PW |
310 | if (remove_dir_recursively(&buf, 0)) |
311 | ret = error(_("could not remove '%s'"), buf.buf); | |
9055e401 | 312 | strbuf_release(&buf); |
2863584f | 313 | |
37e9ee5c | 314 | return ret; |
26ae337b | 315 | } |
043a4492 RR |
316 | |
317 | static const char *action_name(const struct replay_opts *opts) | |
318 | { | |
84583957 JS |
319 | switch (opts->action) { |
320 | case REPLAY_REVERT: | |
321 | return N_("revert"); | |
322 | case REPLAY_PICK: | |
323 | return N_("cherry-pick"); | |
324 | case REPLAY_INTERACTIVE_REBASE: | |
325 | return N_("rebase -i"); | |
326 | } | |
1a07e59c | 327 | die(_("unknown action: %d"), opts->action); |
043a4492 RR |
328 | } |
329 | ||
043a4492 RR |
330 | struct commit_message { |
331 | char *parent_label; | |
7b35eaf8 JK |
332 | char *label; |
333 | char *subject; | |
043a4492 RR |
334 | const char *message; |
335 | }; | |
336 | ||
39755964 JS |
337 | static const char *short_commit_name(struct commit *commit) |
338 | { | |
aab9583f | 339 | return find_unique_abbrev(&commit->object.oid, DEFAULT_ABBREV); |
39755964 JS |
340 | } |
341 | ||
043a4492 RR |
342 | static int get_message(struct commit *commit, struct commit_message *out) |
343 | { | |
043a4492 | 344 | const char *abbrev, *subject; |
7b35eaf8 | 345 | int subject_len; |
043a4492 | 346 | |
7b35eaf8 | 347 | out->message = logmsg_reencode(commit, NULL, get_commit_output_encoding()); |
39755964 | 348 | abbrev = short_commit_name(commit); |
043a4492 RR |
349 | |
350 | subject_len = find_commit_subject(out->message, &subject); | |
351 | ||
7b35eaf8 JK |
352 | out->subject = xmemdupz(subject, subject_len); |
353 | out->label = xstrfmt("%s... %s", abbrev, out->subject); | |
354 | out->parent_label = xstrfmt("parent of %s", out->label); | |
355 | ||
043a4492 RR |
356 | return 0; |
357 | } | |
358 | ||
d74a4e57 | 359 | static void free_message(struct commit *commit, struct commit_message *msg) |
043a4492 RR |
360 | { |
361 | free(msg->parent_label); | |
7b35eaf8 JK |
362 | free(msg->label); |
363 | free(msg->subject); | |
b66103c3 | 364 | unuse_commit_buffer(commit, msg->message); |
043a4492 RR |
365 | } |
366 | ||
005af339 NTND |
367 | static void print_advice(struct repository *r, int show_hint, |
368 | struct replay_opts *opts) | |
043a4492 RR |
369 | { |
370 | char *msg = getenv("GIT_CHERRY_PICK_HELP"); | |
371 | ||
372 | if (msg) { | |
373 | fprintf(stderr, "%s\n", msg); | |
374 | /* | |
41ccfdd9 | 375 | * A conflict has occurred but the porcelain |
043a4492 RR |
376 | * (typically rebase --interactive) wants to take care |
377 | * of the commit itself so remove CHERRY_PICK_HEAD | |
378 | */ | |
005af339 | 379 | unlink(git_path_cherry_pick_head(r)); |
043a4492 RR |
380 | return; |
381 | } | |
382 | ||
ed727b19 PH |
383 | if (show_hint) { |
384 | if (opts->no_commit) | |
385 | advise(_("after resolving the conflicts, mark the corrected paths\n" | |
386 | "with 'git add <paths>' or 'git rm <paths>'")); | |
387 | else | |
388 | advise(_("after resolving the conflicts, mark the corrected paths\n" | |
389 | "with 'git add <paths>' or 'git rm <paths>'\n" | |
390 | "and commit the result with 'git commit'")); | |
391 | } | |
043a4492 RR |
392 | } |
393 | ||
ddb81e50 AG |
394 | static int write_message(const void *buf, size_t len, const char *filename, |
395 | int append_eol) | |
043a4492 | 396 | { |
14bca6c6 | 397 | struct lock_file msg_file = LOCK_INIT; |
043a4492 | 398 | |
4ef3d8f0 JS |
399 | int msg_fd = hold_lock_file_for_update(&msg_file, filename, 0); |
400 | if (msg_fd < 0) | |
93b3df6f | 401 | return error_errno(_("could not lock '%s'"), filename); |
75871495 | 402 | if (write_in_full(msg_fd, buf, len) < 0) { |
bf5c0571 | 403 | error_errno(_("could not write to '%s'"), filename); |
4f66c837 | 404 | rollback_lock_file(&msg_file); |
bf5c0571 | 405 | return -1; |
4f66c837 | 406 | } |
f56fffef | 407 | if (append_eol && write(msg_fd, "\n", 1) < 0) { |
bf5c0571 | 408 | error_errno(_("could not write eol to '%s'"), filename); |
f56fffef | 409 | rollback_lock_file(&msg_file); |
bf5c0571 | 410 | return -1; |
f56fffef | 411 | } |
350292a1 MÅ |
412 | if (commit_lock_file(&msg_file) < 0) |
413 | return error(_("failed to finalize '%s'"), filename); | |
4ef3d8f0 JS |
414 | |
415 | return 0; | |
043a4492 RR |
416 | } |
417 | ||
1dfc84e9 JS |
418 | /* |
419 | * Reads a file that was presumably written by a shell script, i.e. with an | |
420 | * end-of-line marker that needs to be stripped. | |
421 | * | |
422 | * Note that only the last end-of-line marker is stripped, consistent with the | |
423 | * behavior of "$(cat path)" in a shell script. | |
424 | * | |
425 | * Returns 1 if the file was read, 0 if it could not be read or does not exist. | |
426 | */ | |
427 | static int read_oneliner(struct strbuf *buf, | |
428 | const char *path, int skip_if_empty) | |
429 | { | |
430 | int orig_len = buf->len; | |
431 | ||
432 | if (!file_exists(path)) | |
433 | return 0; | |
434 | ||
435 | if (strbuf_read_file(buf, path, 0) < 0) { | |
436 | warning_errno(_("could not read '%s'"), path); | |
437 | return 0; | |
438 | } | |
439 | ||
440 | if (buf->len > orig_len && buf->buf[buf->len - 1] == '\n') { | |
441 | if (--buf->len > orig_len && buf->buf[buf->len - 1] == '\r') | |
442 | --buf->len; | |
443 | buf->buf[buf->len] = '\0'; | |
444 | } | |
445 | ||
446 | if (skip_if_empty && buf->len == orig_len) | |
447 | return 0; | |
448 | ||
449 | return 1; | |
450 | } | |
451 | ||
005af339 | 452 | static struct tree *empty_tree(struct repository *r) |
043a4492 | 453 | { |
005af339 | 454 | return lookup_tree(r, the_hash_algo->empty_tree); |
043a4492 RR |
455 | } |
456 | ||
e1ff0a32 | 457 | static int error_dirty_index(struct repository *repo, struct replay_opts *opts) |
043a4492 | 458 | { |
e1ff0a32 | 459 | if (repo_read_index_unmerged(repo)) |
c28cbc5e | 460 | return error_resolve_conflict(_(action_name(opts))); |
043a4492 | 461 | |
93b3df6f | 462 | error(_("your local changes would be overwritten by %s."), |
c28cbc5e | 463 | _(action_name(opts))); |
043a4492 RR |
464 | |
465 | if (advice_commit_before_merge) | |
93b3df6f | 466 | advise(_("commit your changes or stash them to proceed.")); |
043a4492 RR |
467 | return -1; |
468 | } | |
469 | ||
1e41229d SB |
470 | static void update_abort_safety_file(void) |
471 | { | |
472 | struct object_id head; | |
473 | ||
474 | /* Do nothing on a single-pick */ | |
475 | if (!file_exists(git_path_seq_dir())) | |
476 | return; | |
477 | ||
478 | if (!get_oid("HEAD", &head)) | |
479 | write_file(git_path_abort_safety_file(), "%s", oid_to_hex(&head)); | |
480 | else | |
481 | write_file(git_path_abort_safety_file(), "%s", ""); | |
482 | } | |
483 | ||
f11c9580 NTND |
484 | static int fast_forward_to(struct repository *r, |
485 | const struct object_id *to, | |
486 | const struct object_id *from, | |
487 | int unborn, | |
488 | struct replay_opts *opts) | |
043a4492 | 489 | { |
d668d16c | 490 | struct ref_transaction *transaction; |
eb4be1cb | 491 | struct strbuf sb = STRBUF_INIT; |
d668d16c | 492 | struct strbuf err = STRBUF_INIT; |
043a4492 | 493 | |
e1ff0a32 | 494 | repo_read_index(r); |
f11c9580 | 495 | if (checkout_fast_forward(r, from, to, 1)) |
0e408fc3 | 496 | return -1; /* the callee should have complained already */ |
651ab9f5 | 497 | |
c28cbc5e | 498 | strbuf_addf(&sb, _("%s: fast-forward"), _(action_name(opts))); |
d668d16c RS |
499 | |
500 | transaction = ref_transaction_begin(&err); | |
501 | if (!transaction || | |
502 | ref_transaction_update(transaction, "HEAD", | |
d87d48b2 JS |
503 | to, unborn && !is_rebase_i(opts) ? |
504 | &null_oid : from, | |
1d147bdf | 505 | 0, sb.buf, &err) || |
db7516ab | 506 | ref_transaction_commit(transaction, &err)) { |
d668d16c RS |
507 | ref_transaction_free(transaction); |
508 | error("%s", err.buf); | |
509 | strbuf_release(&sb); | |
510 | strbuf_release(&err); | |
511 | return -1; | |
512 | } | |
651ab9f5 | 513 | |
eb4be1cb | 514 | strbuf_release(&sb); |
d668d16c RS |
515 | strbuf_release(&err); |
516 | ref_transaction_free(transaction); | |
1e41229d | 517 | update_abort_safety_file(); |
d668d16c | 518 | return 0; |
043a4492 RR |
519 | } |
520 | ||
f29cd862 DL |
521 | enum commit_msg_cleanup_mode get_cleanup_mode(const char *cleanup_arg, |
522 | int use_editor) | |
523 | { | |
524 | if (!cleanup_arg || !strcmp(cleanup_arg, "default")) | |
525 | return use_editor ? COMMIT_MSG_CLEANUP_ALL : | |
526 | COMMIT_MSG_CLEANUP_SPACE; | |
527 | else if (!strcmp(cleanup_arg, "verbatim")) | |
528 | return COMMIT_MSG_CLEANUP_NONE; | |
529 | else if (!strcmp(cleanup_arg, "whitespace")) | |
530 | return COMMIT_MSG_CLEANUP_SPACE; | |
531 | else if (!strcmp(cleanup_arg, "strip")) | |
532 | return COMMIT_MSG_CLEANUP_ALL; | |
533 | else if (!strcmp(cleanup_arg, "scissors")) | |
534 | return use_editor ? COMMIT_MSG_CLEANUP_SCISSORS : | |
535 | COMMIT_MSG_CLEANUP_SPACE; | |
536 | else | |
537 | die(_("Invalid cleanup mode %s"), cleanup_arg); | |
538 | } | |
539 | ||
dc42e9a8 PW |
540 | /* |
541 | * NB using int rather than enum cleanup_mode to stop clang's | |
542 | * -Wtautological-constant-out-of-range-compare complaining that the comparison | |
543 | * is always true. | |
544 | */ | |
545 | static const char *describe_cleanup_mode(int cleanup_mode) | |
546 | { | |
547 | static const char *modes[] = { "whitespace", | |
548 | "verbatim", | |
549 | "scissors", | |
550 | "strip" }; | |
551 | ||
552 | if (cleanup_mode < ARRAY_SIZE(modes)) | |
553 | return modes[cleanup_mode]; | |
554 | ||
555 | BUG("invalid cleanup_mode provided (%d)", cleanup_mode); | |
556 | } | |
557 | ||
f11c9580 | 558 | void append_conflicts_hint(struct index_state *istate, |
1a2b985f | 559 | struct strbuf *msgbuf, enum commit_msg_cleanup_mode cleanup_mode) |
75c961b7 JH |
560 | { |
561 | int i; | |
562 | ||
1a2b985f DL |
563 | if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) { |
564 | strbuf_addch(msgbuf, '\n'); | |
565 | wt_status_append_cut_line(msgbuf); | |
566 | strbuf_addch(msgbuf, comment_line_char); | |
567 | } | |
568 | ||
261f315b JH |
569 | strbuf_addch(msgbuf, '\n'); |
570 | strbuf_commented_addf(msgbuf, "Conflicts:\n"); | |
f11c9580 NTND |
571 | for (i = 0; i < istate->cache_nr;) { |
572 | const struct cache_entry *ce = istate->cache[i++]; | |
75c961b7 | 573 | if (ce_stage(ce)) { |
261f315b | 574 | strbuf_commented_addf(msgbuf, "\t%s\n", ce->name); |
f11c9580 NTND |
575 | while (i < istate->cache_nr && |
576 | !strcmp(ce->name, istate->cache[i]->name)) | |
75c961b7 JH |
577 | i++; |
578 | } | |
579 | } | |
580 | } | |
581 | ||
f11c9580 NTND |
582 | static int do_recursive_merge(struct repository *r, |
583 | struct commit *base, struct commit *next, | |
043a4492 | 584 | const char *base_label, const char *next_label, |
48be4c62 | 585 | struct object_id *head, struct strbuf *msgbuf, |
043a4492 RR |
586 | struct replay_opts *opts) |
587 | { | |
588 | struct merge_options o; | |
589 | struct tree *result, *next_tree, *base_tree, *head_tree; | |
03b86647 | 590 | int clean; |
03a4e260 | 591 | char **xopt; |
14bca6c6 | 592 | struct lock_file index_lock = LOCK_INIT; |
043a4492 | 593 | |
3a95f31d | 594 | if (repo_hold_locked_index(r, &index_lock, LOCK_REPORT_ON_ERROR) < 0) |
bd588867 | 595 | return -1; |
043a4492 | 596 | |
e1ff0a32 | 597 | repo_read_index(r); |
043a4492 | 598 | |
0d6caa2d | 599 | init_merge_options(&o, r); |
043a4492 RR |
600 | o.ancestor = base ? base_label : "(empty tree)"; |
601 | o.branch1 = "HEAD"; | |
602 | o.branch2 = next ? next_label : "(empty tree)"; | |
62fdb652 JS |
603 | if (is_rebase_i(opts)) |
604 | o.buffer_output = 2; | |
9268cf4a | 605 | o.show_rename_progress = 1; |
043a4492 RR |
606 | |
607 | head_tree = parse_tree_indirect(head); | |
005af339 NTND |
608 | next_tree = next ? get_commit_tree(next) : empty_tree(r); |
609 | base_tree = base ? get_commit_tree(base) : empty_tree(r); | |
043a4492 RR |
610 | |
611 | for (xopt = opts->xopts; xopt != opts->xopts + opts->xopts_nr; xopt++) | |
612 | parse_merge_opt(&o, *xopt); | |
613 | ||
614 | clean = merge_trees(&o, | |
615 | head_tree, | |
616 | next_tree, base_tree, &result); | |
62fdb652 JS |
617 | if (is_rebase_i(opts) && clean <= 0) |
618 | fputs(o.obuf.buf, stdout); | |
548009c0 | 619 | strbuf_release(&o.obuf); |
b520abf1 | 620 | diff_warn_rename_limit("merge.renamelimit", o.needed_rename_limit, 0); |
64816524 MÅ |
621 | if (clean < 0) { |
622 | rollback_lock_file(&index_lock); | |
f241ff0d | 623 | return clean; |
64816524 | 624 | } |
043a4492 | 625 | |
f11c9580 | 626 | if (write_locked_index(r->index, &index_lock, |
61000814 | 627 | COMMIT_LOCK | SKIP_IF_UNCHANGED)) |
66f5f6dc ÆAB |
628 | /* |
629 | * TRANSLATORS: %s will be "revert", "cherry-pick" or | |
84583957 JS |
630 | * "rebase -i". |
631 | */ | |
c527b55e | 632 | return error(_("%s: Unable to write new index file"), |
c28cbc5e | 633 | _(action_name(opts))); |
043a4492 | 634 | |
75c961b7 | 635 | if (!clean) |
1a2b985f DL |
636 | append_conflicts_hint(r->index, msgbuf, |
637 | opts->default_msg_cleanup); | |
043a4492 RR |
638 | |
639 | return !clean; | |
640 | } | |
641 | ||
f11c9580 | 642 | static struct object_id *get_cache_tree_oid(struct index_state *istate) |
ba97aea1 | 643 | { |
f11c9580 NTND |
644 | if (!istate->cache_tree) |
645 | istate->cache_tree = cache_tree(); | |
ba97aea1 | 646 | |
f11c9580 NTND |
647 | if (!cache_tree_fully_valid(istate->cache_tree)) |
648 | if (cache_tree_update(istate, 0)) { | |
ba97aea1 JS |
649 | error(_("unable to update cache tree")); |
650 | return NULL; | |
651 | } | |
652 | ||
f11c9580 | 653 | return &istate->cache_tree->oid; |
ba97aea1 JS |
654 | } |
655 | ||
005af339 | 656 | static int is_index_unchanged(struct repository *r) |
b27cfb0d | 657 | { |
ba97aea1 | 658 | struct object_id head_oid, *cache_tree_oid; |
b27cfb0d | 659 | struct commit *head_commit; |
005af339 | 660 | struct index_state *istate = r->index; |
b27cfb0d | 661 | |
49e61479 | 662 | if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL)) |
aee42e1f | 663 | return error(_("could not resolve HEAD commit")); |
b27cfb0d | 664 | |
005af339 | 665 | head_commit = lookup_commit(r, &head_oid); |
4b580061 NH |
666 | |
667 | /* | |
668 | * If head_commit is NULL, check_commit, called from | |
669 | * lookup_commit, would have indicated that head_commit is not | |
670 | * a commit object already. parse_commit() will return failure | |
671 | * without further complaints in such a case. Otherwise, if | |
672 | * the commit is invalid, parse_commit() will complain. So | |
673 | * there is nothing for us to say here. Just return failure. | |
674 | */ | |
675 | if (parse_commit(head_commit)) | |
676 | return -1; | |
b27cfb0d | 677 | |
f11c9580 | 678 | if (!(cache_tree_oid = get_cache_tree_oid(istate))) |
ba97aea1 | 679 | return -1; |
b27cfb0d | 680 | |
4a7e27e9 | 681 | return oideq(cache_tree_oid, get_commit_tree_oid(head_commit)); |
b27cfb0d NH |
682 | } |
683 | ||
0473f28a JS |
684 | static int write_author_script(const char *message) |
685 | { | |
686 | struct strbuf buf = STRBUF_INIT; | |
687 | const char *eol; | |
688 | int res; | |
689 | ||
690 | for (;;) | |
691 | if (!*message || starts_with(message, "\n")) { | |
692 | missing_author: | |
693 | /* Missing 'author' line? */ | |
694 | unlink(rebase_path_author_script()); | |
695 | return 0; | |
696 | } else if (skip_prefix(message, "author ", &message)) | |
697 | break; | |
698 | else if ((eol = strchr(message, '\n'))) | |
699 | message = eol + 1; | |
700 | else | |
701 | goto missing_author; | |
702 | ||
703 | strbuf_addstr(&buf, "GIT_AUTHOR_NAME='"); | |
704 | while (*message && *message != '\n' && *message != '\r') | |
705 | if (skip_prefix(message, " <", &message)) | |
706 | break; | |
707 | else if (*message != '\'') | |
708 | strbuf_addch(&buf, *(message++)); | |
709 | else | |
4aa5ff94 | 710 | strbuf_addf(&buf, "'\\%c'", *(message++)); |
0473f28a JS |
711 | strbuf_addstr(&buf, "'\nGIT_AUTHOR_EMAIL='"); |
712 | while (*message && *message != '\n' && *message != '\r') | |
713 | if (skip_prefix(message, "> ", &message)) | |
714 | break; | |
715 | else if (*message != '\'') | |
716 | strbuf_addch(&buf, *(message++)); | |
717 | else | |
4aa5ff94 | 718 | strbuf_addf(&buf, "'\\%c'", *(message++)); |
0473f28a JS |
719 | strbuf_addstr(&buf, "'\nGIT_AUTHOR_DATE='@"); |
720 | while (*message && *message != '\n' && *message != '\r') | |
721 | if (*message != '\'') | |
722 | strbuf_addch(&buf, *(message++)); | |
723 | else | |
4aa5ff94 | 724 | strbuf_addf(&buf, "'\\%c'", *(message++)); |
0f16c09a | 725 | strbuf_addch(&buf, '\''); |
0473f28a JS |
726 | res = write_message(buf.buf, buf.len, rebase_path_author_script(), 1); |
727 | strbuf_release(&buf); | |
728 | return res; | |
729 | } | |
730 | ||
bcd33ec2 PW |
731 | /** |
732 | * Take a series of KEY='VALUE' lines where VALUE part is | |
733 | * sq-quoted, and append <KEY, VALUE> at the end of the string list | |
734 | */ | |
735 | static int parse_key_value_squoted(char *buf, struct string_list *list) | |
736 | { | |
737 | while (*buf) { | |
738 | struct string_list_item *item; | |
739 | char *np; | |
740 | char *cp = strchr(buf, '='); | |
741 | if (!cp) { | |
742 | np = strchrnul(buf, '\n'); | |
743 | return error(_("no key present in '%.*s'"), | |
744 | (int) (np - buf), buf); | |
745 | } | |
746 | np = strchrnul(cp, '\n'); | |
747 | *cp++ = '\0'; | |
748 | item = string_list_append(list, buf); | |
749 | ||
750 | buf = np + (*np == '\n'); | |
751 | *np = '\0'; | |
752 | cp = sq_dequote(cp); | |
753 | if (!cp) | |
754 | return error(_("unable to dequote value of '%s'"), | |
755 | item->string); | |
756 | item->util = xstrdup(cp); | |
757 | } | |
758 | return 0; | |
759 | } | |
4aa5ff94 | 760 | |
bcd33ec2 PW |
761 | /** |
762 | * Reads and parses the state directory's "author-script" file, and sets name, | |
763 | * email and date accordingly. | |
764 | * Returns 0 on success, -1 if the file could not be parsed. | |
765 | * | |
766 | * The author script is of the format: | |
767 | * | |
768 | * GIT_AUTHOR_NAME='$author_name' | |
769 | * GIT_AUTHOR_EMAIL='$author_email' | |
770 | * GIT_AUTHOR_DATE='$author_date' | |
771 | * | |
772 | * where $author_name, $author_email and $author_date are quoted. We are strict | |
773 | * with our parsing, as the file was meant to be eval'd in the old | |
774 | * git-am.sh/git-rebase--interactive.sh scripts, and thus if the file differs | |
775 | * from what this function expects, it is better to bail out than to do | |
776 | * something that the user does not expect. | |
4aa5ff94 | 777 | */ |
bcd33ec2 PW |
778 | int read_author_script(const char *path, char **name, char **email, char **date, |
779 | int allow_missing) | |
4aa5ff94 | 780 | { |
bcd33ec2 PW |
781 | struct strbuf buf = STRBUF_INIT; |
782 | struct string_list kv = STRING_LIST_INIT_DUP; | |
783 | int retval = -1; /* assume failure */ | |
784 | int i, name_i = -2, email_i = -2, date_i = -2, err = 0; | |
4aa5ff94 | 785 | |
bcd33ec2 PW |
786 | if (strbuf_read_file(&buf, path, 256) <= 0) { |
787 | strbuf_release(&buf); | |
788 | if (errno == ENOENT && allow_missing) | |
789 | return 0; | |
790 | else | |
791 | return error_errno(_("could not open '%s' for reading"), | |
792 | path); | |
793 | } | |
794 | ||
795 | if (parse_key_value_squoted(buf.buf, &kv)) | |
796 | goto finish; | |
797 | ||
798 | for (i = 0; i < kv.nr; i++) { | |
799 | if (!strcmp(kv.items[i].string, "GIT_AUTHOR_NAME")) { | |
800 | if (name_i != -2) | |
801 | name_i = error(_("'GIT_AUTHOR_NAME' already given")); | |
802 | else | |
803 | name_i = i; | |
804 | } else if (!strcmp(kv.items[i].string, "GIT_AUTHOR_EMAIL")) { | |
805 | if (email_i != -2) | |
806 | email_i = error(_("'GIT_AUTHOR_EMAIL' already given")); | |
807 | else | |
808 | email_i = i; | |
809 | } else if (!strcmp(kv.items[i].string, "GIT_AUTHOR_DATE")) { | |
810 | if (date_i != -2) | |
811 | date_i = error(_("'GIT_AUTHOR_DATE' already given")); | |
812 | else | |
813 | date_i = i; | |
814 | } else { | |
815 | err = error(_("unknown variable '%s'"), | |
816 | kv.items[i].string); | |
817 | } | |
818 | } | |
819 | if (name_i == -2) | |
820 | error(_("missing 'GIT_AUTHOR_NAME'")); | |
821 | if (email_i == -2) | |
822 | error(_("missing 'GIT_AUTHOR_EMAIL'")); | |
823 | if (date_i == -2) | |
824 | error(_("missing 'GIT_AUTHOR_DATE'")); | |
825 | if (date_i < 0 || email_i < 0 || date_i < 0 || err) | |
826 | goto finish; | |
827 | *name = kv.items[name_i].util; | |
828 | *email = kv.items[email_i].util; | |
829 | *date = kv.items[date_i].util; | |
830 | retval = 0; | |
831 | finish: | |
832 | string_list_clear(&kv, !!retval); | |
833 | strbuf_release(&buf); | |
834 | return retval; | |
4aa5ff94 PW |
835 | } |
836 | ||
b5a67045 | 837 | /* |
4d010a75 PW |
838 | * Read a GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL AND GIT_AUTHOR_DATE from a |
839 | * file with shell quoting into struct argv_array. Returns -1 on | |
840 | * error, 0 otherwise. | |
b5a67045 | 841 | */ |
a2a20b0d | 842 | static int read_env_script(struct argv_array *env) |
b5a67045 | 843 | { |
4d010a75 | 844 | char *name, *email, *date; |
b5a67045 | 845 | |
4d010a75 PW |
846 | if (read_author_script(rebase_path_author_script(), |
847 | &name, &email, &date, 0)) | |
a2a20b0d | 848 | return -1; |
b5a67045 | 849 | |
4d010a75 PW |
850 | argv_array_pushf(env, "GIT_AUTHOR_NAME=%s", name); |
851 | argv_array_pushf(env, "GIT_AUTHOR_EMAIL=%s", email); | |
852 | argv_array_pushf(env, "GIT_AUTHOR_DATE=%s", date); | |
853 | free(name); | |
854 | free(email); | |
855 | free(date); | |
b5a67045 | 856 | |
a2a20b0d | 857 | return 0; |
b5a67045 JS |
858 | } |
859 | ||
356ee465 PW |
860 | static char *get_author(const char *message) |
861 | { | |
862 | size_t len; | |
863 | const char *a; | |
864 | ||
865 | a = find_commit_header(message, "author", &len); | |
866 | if (a) | |
867 | return xmemdupz(a, len); | |
868 | ||
869 | return NULL; | |
870 | } | |
871 | ||
791eb870 JS |
872 | static const char staged_changes_advice[] = |
873 | N_("you have staged changes in your working tree\n" | |
874 | "If these changes are meant to be squashed into the previous commit, run:\n" | |
875 | "\n" | |
876 | " git commit --amend %s\n" | |
877 | "\n" | |
878 | "If they are meant to go into a new commit, run:\n" | |
879 | "\n" | |
880 | " git commit %s\n" | |
881 | "\n" | |
882 | "In both cases, once you're done, continue with:\n" | |
883 | "\n" | |
884 | " git rebase --continue\n"); | |
885 | ||
789b3eff JS |
886 | #define ALLOW_EMPTY (1<<0) |
887 | #define EDIT_MSG (1<<1) | |
888 | #define AMEND_MSG (1<<2) | |
889 | #define CLEANUP_MSG (1<<3) | |
b92ff6e8 | 890 | #define VERIFY_MSG (1<<4) |
d87d48b2 | 891 | #define CREATE_ROOT_COMMIT (1<<5) |
789b3eff | 892 | |
34bec2c4 AG |
893 | static int run_command_silent_on_success(struct child_process *cmd) |
894 | { | |
895 | struct strbuf buf = STRBUF_INIT; | |
896 | int rc; | |
897 | ||
898 | cmd->stdout_to_stderr = 1; | |
899 | rc = pipe_command(cmd, | |
900 | NULL, 0, | |
901 | NULL, 0, | |
902 | &buf, 0); | |
903 | ||
904 | if (rc) | |
905 | fputs(buf.buf, stderr); | |
906 | strbuf_release(&buf); | |
907 | return rc; | |
908 | } | |
909 | ||
043a4492 RR |
910 | /* |
911 | * If we are cherry-pick, and if the merge did not result in | |
912 | * hand-editing, we will hit this commit and inherit the original | |
913 | * author date and name. | |
b5a67045 | 914 | * |
043a4492 RR |
915 | * If we are revert, or if our cherry-pick results in a hand merge, |
916 | * we had better say that the current user is responsible for that. | |
b5a67045 JS |
917 | * |
918 | * An exception is when run_git_commit() is called during an | |
919 | * interactive rebase: in that case, we will want to retain the | |
920 | * author metadata. | |
043a4492 | 921 | */ |
f11c9580 NTND |
922 | static int run_git_commit(struct repository *r, |
923 | const char *defmsg, | |
924 | struct replay_opts *opts, | |
789b3eff | 925 | unsigned int flags) |
043a4492 | 926 | { |
07d968ef | 927 | struct child_process cmd = CHILD_PROCESS_INIT; |
b27cfb0d | 928 | |
07d968ef JS |
929 | cmd.git_cmd = 1; |
930 | ||
34bec2c4 AG |
931 | if (is_rebase_i(opts) && read_env_script(&cmd.env_array)) { |
932 | const char *gpg_opt = gpg_sign_opt_quoted(opts); | |
a1c75762 | 933 | |
34bec2c4 AG |
934 | return error(_(staged_changes_advice), |
935 | gpg_opt, gpg_opt); | |
b5a67045 JS |
936 | } |
937 | ||
07d968ef | 938 | argv_array_push(&cmd.args, "commit"); |
043a4492 | 939 | |
b92ff6e8 JS |
940 | if (!(flags & VERIFY_MSG)) |
941 | argv_array_push(&cmd.args, "-n"); | |
789b3eff | 942 | if ((flags & AMEND_MSG)) |
07d968ef | 943 | argv_array_push(&cmd.args, "--amend"); |
3bdd5522 | 944 | if (opts->gpg_sign) |
07d968ef | 945 | argv_array_pushf(&cmd.args, "-S%s", opts->gpg_sign); |
b5a67045 | 946 | if (defmsg) |
07d968ef | 947 | argv_array_pushl(&cmd.args, "-F", defmsg, NULL); |
dc4b5bc3 JS |
948 | else if (!(flags & EDIT_MSG)) |
949 | argv_array_pushl(&cmd.args, "-C", "HEAD", NULL); | |
789b3eff | 950 | if ((flags & CLEANUP_MSG)) |
07d968ef | 951 | argv_array_push(&cmd.args, "--cleanup=strip"); |
789b3eff | 952 | if ((flags & EDIT_MSG)) |
07d968ef | 953 | argv_array_push(&cmd.args, "-e"); |
789b3eff | 954 | else if (!(flags & CLEANUP_MSG) && |
0009426d | 955 | !opts->signoff && !opts->record_origin && |
1a2b985f | 956 | !opts->explicit_cleanup) |
07d968ef | 957 | argv_array_push(&cmd.args, "--cleanup=verbatim"); |
b27cfb0d | 958 | |
789b3eff | 959 | if ((flags & ALLOW_EMPTY)) |
07d968ef | 960 | argv_array_push(&cmd.args, "--allow-empty"); |
df478b74 | 961 | |
a3ec9eaf | 962 | if (!(flags & EDIT_MSG)) |
07d968ef | 963 | argv_array_push(&cmd.args, "--allow-empty-message"); |
4bee9584 | 964 | |
34bec2c4 AG |
965 | if (is_rebase_i(opts) && !(flags & EDIT_MSG)) |
966 | return run_command_silent_on_success(&cmd); | |
967 | else | |
968 | return run_command(&cmd); | |
b27cfb0d NH |
969 | } |
970 | ||
d0aaa46f PW |
971 | static int rest_is_empty(const struct strbuf *sb, int start) |
972 | { | |
973 | int i, eol; | |
974 | const char *nl; | |
975 | ||
976 | /* Check if the rest is just whitespace and Signed-off-by's. */ | |
977 | for (i = start; i < sb->len; i++) { | |
978 | nl = memchr(sb->buf + i, '\n', sb->len - i); | |
979 | if (nl) | |
980 | eol = nl - sb->buf; | |
981 | else | |
982 | eol = sb->len; | |
983 | ||
984 | if (strlen(sign_off_header) <= eol - i && | |
985 | starts_with(sb->buf + i, sign_off_header)) { | |
986 | i = eol; | |
987 | continue; | |
988 | } | |
989 | while (i < eol) | |
990 | if (!isspace(sb->buf[i++])) | |
991 | return 0; | |
992 | } | |
993 | ||
994 | return 1; | |
995 | } | |
996 | ||
f29cd862 DL |
997 | void cleanup_message(struct strbuf *msgbuf, |
998 | enum commit_msg_cleanup_mode cleanup_mode, int verbose) | |
999 | { | |
1000 | if (verbose || /* Truncate the message just before the diff, if any. */ | |
1001 | cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) | |
1002 | strbuf_setlen(msgbuf, wt_status_locate_end(msgbuf->buf, msgbuf->len)); | |
1003 | if (cleanup_mode != COMMIT_MSG_CLEANUP_NONE) | |
1004 | strbuf_stripspace(msgbuf, cleanup_mode == COMMIT_MSG_CLEANUP_ALL); | |
1005 | } | |
1006 | ||
d0aaa46f PW |
1007 | /* |
1008 | * Find out if the message in the strbuf contains only whitespace and | |
1009 | * Signed-off-by lines. | |
1010 | */ | |
1011 | int message_is_empty(const struct strbuf *sb, | |
1012 | enum commit_msg_cleanup_mode cleanup_mode) | |
1013 | { | |
1014 | if (cleanup_mode == COMMIT_MSG_CLEANUP_NONE && sb->len) | |
1015 | return 0; | |
1016 | return rest_is_empty(sb, 0); | |
1017 | } | |
1018 | ||
1019 | /* | |
1020 | * See if the user edited the message in the editor or left what | |
1021 | * was in the template intact | |
1022 | */ | |
1023 | int template_untouched(const struct strbuf *sb, const char *template_file, | |
1024 | enum commit_msg_cleanup_mode cleanup_mode) | |
1025 | { | |
1026 | struct strbuf tmpl = STRBUF_INIT; | |
1027 | const char *start; | |
1028 | ||
1029 | if (cleanup_mode == COMMIT_MSG_CLEANUP_NONE && sb->len) | |
1030 | return 0; | |
1031 | ||
1032 | if (!template_file || strbuf_read_file(&tmpl, template_file, 0) <= 0) | |
1033 | return 0; | |
1034 | ||
1035 | strbuf_stripspace(&tmpl, cleanup_mode == COMMIT_MSG_CLEANUP_ALL); | |
1036 | if (!skip_prefix(sb->buf, tmpl.buf, &start)) | |
1037 | start = sb->buf; | |
1038 | strbuf_release(&tmpl); | |
1039 | return rest_is_empty(sb, start - sb->buf); | |
1040 | } | |
1041 | ||
0505d604 PW |
1042 | int update_head_with_reflog(const struct commit *old_head, |
1043 | const struct object_id *new_head, | |
1044 | const char *action, const struct strbuf *msg, | |
1045 | struct strbuf *err) | |
1046 | { | |
1047 | struct ref_transaction *transaction; | |
1048 | struct strbuf sb = STRBUF_INIT; | |
1049 | const char *nl; | |
1050 | int ret = 0; | |
1051 | ||
1052 | if (action) { | |
1053 | strbuf_addstr(&sb, action); | |
1054 | strbuf_addstr(&sb, ": "); | |
1055 | } | |
1056 | ||
1057 | nl = strchr(msg->buf, '\n'); | |
1058 | if (nl) { | |
1059 | strbuf_add(&sb, msg->buf, nl + 1 - msg->buf); | |
1060 | } else { | |
1061 | strbuf_addbuf(&sb, msg); | |
1062 | strbuf_addch(&sb, '\n'); | |
1063 | } | |
1064 | ||
1065 | transaction = ref_transaction_begin(err); | |
1066 | if (!transaction || | |
1067 | ref_transaction_update(transaction, "HEAD", new_head, | |
1068 | old_head ? &old_head->object.oid : &null_oid, | |
1069 | 0, sb.buf, err) || | |
1070 | ref_transaction_commit(transaction, err)) { | |
1071 | ret = -1; | |
1072 | } | |
1073 | ref_transaction_free(transaction); | |
1074 | strbuf_release(&sb); | |
1075 | ||
1076 | return ret; | |
1077 | } | |
1078 | ||
a87a6f3c PW |
1079 | static int run_rewrite_hook(const struct object_id *oldoid, |
1080 | const struct object_id *newoid) | |
1081 | { | |
1082 | struct child_process proc = CHILD_PROCESS_INIT; | |
1083 | const char *argv[3]; | |
1084 | int code; | |
1085 | struct strbuf sb = STRBUF_INIT; | |
1086 | ||
1087 | argv[0] = find_hook("post-rewrite"); | |
1088 | if (!argv[0]) | |
1089 | return 0; | |
1090 | ||
1091 | argv[1] = "amend"; | |
1092 | argv[2] = NULL; | |
1093 | ||
1094 | proc.argv = argv; | |
1095 | proc.in = -1; | |
1096 | proc.stdout_to_stderr = 1; | |
6206286e | 1097 | proc.trace2_hook_name = "post-rewrite"; |
a87a6f3c PW |
1098 | |
1099 | code = start_command(&proc); | |
1100 | if (code) | |
1101 | return code; | |
1102 | strbuf_addf(&sb, "%s %s\n", oid_to_hex(oldoid), oid_to_hex(newoid)); | |
1103 | sigchain_push(SIGPIPE, SIG_IGN); | |
1104 | write_in_full(proc.in, sb.buf, sb.len); | |
1105 | close(proc.in); | |
1106 | strbuf_release(&sb); | |
1107 | sigchain_pop(SIGPIPE); | |
1108 | return finish_command(&proc); | |
1109 | } | |
1110 | ||
1d18d758 NTND |
1111 | void commit_post_rewrite(struct repository *r, |
1112 | const struct commit *old_head, | |
a87a6f3c PW |
1113 | const struct object_id *new_head) |
1114 | { | |
1115 | struct notes_rewrite_cfg *cfg; | |
1116 | ||
1117 | cfg = init_copy_notes_for_rewrite("amend"); | |
1118 | if (cfg) { | |
1119 | /* we are amending, so old_head is not NULL */ | |
1120 | copy_note_for_rewrite(cfg, &old_head->object.oid, new_head); | |
1d18d758 | 1121 | finish_copy_notes_for_rewrite(r, cfg, "Notes added by 'git commit --amend'"); |
a87a6f3c PW |
1122 | } |
1123 | run_rewrite_hook(&old_head->object.oid, new_head); | |
1124 | } | |
1125 | ||
f11c9580 NTND |
1126 | static int run_prepare_commit_msg_hook(struct repository *r, |
1127 | struct strbuf *msg, | |
1128 | const char *commit) | |
66618a50 | 1129 | { |
49697cb7 PW |
1130 | int ret = 0; |
1131 | const char *name, *arg1 = NULL, *arg2 = NULL; | |
66618a50 PW |
1132 | |
1133 | name = git_path_commit_editmsg(); | |
1134 | if (write_message(msg->buf, msg->len, name, 0)) | |
1135 | return -1; | |
1136 | ||
49697cb7 PW |
1137 | if (commit) { |
1138 | arg1 = "commit"; | |
1139 | arg2 = commit; | |
1140 | } else { | |
1141 | arg1 = "message"; | |
1142 | } | |
1143 | if (run_commit_hook(0, r->index_file, "prepare-commit-msg", name, | |
1144 | arg1, arg2, NULL)) | |
66618a50 | 1145 | ret = error(_("'prepare-commit-msg' hook failed")); |
66618a50 PW |
1146 | |
1147 | return ret; | |
1148 | } | |
1149 | ||
e47c6caf PW |
1150 | static const char implicit_ident_advice_noconfig[] = |
1151 | N_("Your name and email address were configured automatically based\n" | |
1152 | "on your username and hostname. Please check that they are accurate.\n" | |
1153 | "You can suppress this message by setting them explicitly. Run the\n" | |
1154 | "following command and follow the instructions in your editor to edit\n" | |
1155 | "your configuration file:\n" | |
1156 | "\n" | |
1157 | " git config --global --edit\n" | |
1158 | "\n" | |
1159 | "After doing this, you may fix the identity used for this commit with:\n" | |
1160 | "\n" | |
1161 | " git commit --amend --reset-author\n"); | |
1162 | ||
1163 | static const char implicit_ident_advice_config[] = | |
1164 | N_("Your name and email address were configured automatically based\n" | |
1165 | "on your username and hostname. Please check that they are accurate.\n" | |
1166 | "You can suppress this message by setting them explicitly:\n" | |
1167 | "\n" | |
1168 | " git config --global user.name \"Your Name\"\n" | |
1169 | " git config --global user.email you@example.com\n" | |
1170 | "\n" | |
1171 | "After doing this, you may fix the identity used for this commit with:\n" | |
1172 | "\n" | |
1173 | " git commit --amend --reset-author\n"); | |
1174 | ||
1175 | static const char *implicit_ident_advice(void) | |
1176 | { | |
1177 | char *user_config = expand_user_path("~/.gitconfig", 0); | |
1178 | char *xdg_config = xdg_config_home("config"); | |
1179 | int config_exists = file_exists(user_config) || file_exists(xdg_config); | |
1180 | ||
1181 | free(user_config); | |
1182 | free(xdg_config); | |
1183 | ||
1184 | if (config_exists) | |
1185 | return _(implicit_ident_advice_config); | |
1186 | else | |
1187 | return _(implicit_ident_advice_noconfig); | |
1188 | ||
1189 | } | |
1190 | ||
f11c9580 NTND |
1191 | void print_commit_summary(struct repository *r, |
1192 | const char *prefix, | |
1193 | const struct object_id *oid, | |
e47c6caf PW |
1194 | unsigned int flags) |
1195 | { | |
1196 | struct rev_info rev; | |
1197 | struct commit *commit; | |
1198 | struct strbuf format = STRBUF_INIT; | |
1199 | const char *head; | |
1200 | struct pretty_print_context pctx = {0}; | |
1201 | struct strbuf author_ident = STRBUF_INIT; | |
1202 | struct strbuf committer_ident = STRBUF_INIT; | |
1203 | ||
f11c9580 | 1204 | commit = lookup_commit(r, oid); |
e47c6caf PW |
1205 | if (!commit) |
1206 | die(_("couldn't look up newly created commit")); | |
1207 | if (parse_commit(commit)) | |
1208 | die(_("could not parse newly created commit")); | |
1209 | ||
1210 | strbuf_addstr(&format, "format:%h] %s"); | |
1211 | ||
1212 | format_commit_message(commit, "%an <%ae>", &author_ident, &pctx); | |
1213 | format_commit_message(commit, "%cn <%ce>", &committer_ident, &pctx); | |
1214 | if (strbuf_cmp(&author_ident, &committer_ident)) { | |
1215 | strbuf_addstr(&format, "\n Author: "); | |
1216 | strbuf_addbuf_percentquote(&format, &author_ident); | |
1217 | } | |
1218 | if (flags & SUMMARY_SHOW_AUTHOR_DATE) { | |
1219 | struct strbuf date = STRBUF_INIT; | |
1220 | ||
1221 | format_commit_message(commit, "%ad", &date, &pctx); | |
1222 | strbuf_addstr(&format, "\n Date: "); | |
1223 | strbuf_addbuf_percentquote(&format, &date); | |
1224 | strbuf_release(&date); | |
1225 | } | |
1226 | if (!committer_ident_sufficiently_given()) { | |
1227 | strbuf_addstr(&format, "\n Committer: "); | |
1228 | strbuf_addbuf_percentquote(&format, &committer_ident); | |
1229 | if (advice_implicit_identity) { | |
1230 | strbuf_addch(&format, '\n'); | |
1231 | strbuf_addstr(&format, implicit_ident_advice()); | |
1232 | } | |
1233 | } | |
1234 | strbuf_release(&author_ident); | |
1235 | strbuf_release(&committer_ident); | |
1236 | ||
f11c9580 | 1237 | repo_init_revisions(r, &rev, prefix); |
e47c6caf PW |
1238 | setup_revisions(0, NULL, &rev, NULL); |
1239 | ||
1240 | rev.diff = 1; | |
1241 | rev.diffopt.output_format = | |
1242 | DIFF_FORMAT_SHORTSTAT | DIFF_FORMAT_SUMMARY; | |
1243 | ||
1244 | rev.verbose_header = 1; | |
1245 | rev.show_root_diff = 1; | |
1246 | get_commit_format(format.buf, &rev); | |
1247 | rev.always_show_header = 0; | |
0f57f731 | 1248 | rev.diffopt.detect_rename = DIFF_DETECT_RENAME; |
e47c6caf PW |
1249 | rev.diffopt.break_opt = 0; |
1250 | diff_setup_done(&rev.diffopt); | |
1251 | ||
1252 | head = resolve_ref_unsafe("HEAD", 0, NULL, NULL); | |
1253 | if (!head) | |
1254 | die_errno(_("unable to resolve HEAD after creating commit")); | |
1255 | if (!strcmp(head, "HEAD")) | |
1256 | head = _("detached HEAD"); | |
1257 | else | |
1258 | skip_prefix(head, "refs/heads/", &head); | |
1259 | printf("[%s%s ", head, (flags & SUMMARY_INITIAL_COMMIT) ? | |
1260 | _(" (root-commit)") : ""); | |
1261 | ||
1262 | if (!log_tree_commit(&rev, commit)) { | |
1263 | rev.always_show_header = 1; | |
1264 | rev.use_terminator = 1; | |
1265 | log_tree_commit(&rev, commit); | |
1266 | } | |
1267 | ||
1268 | strbuf_release(&format); | |
1269 | } | |
1270 | ||
005af339 | 1271 | static int parse_head(struct repository *r, struct commit **head) |
356ee465 PW |
1272 | { |
1273 | struct commit *current_head; | |
1274 | struct object_id oid; | |
1275 | ||
1276 | if (get_oid("HEAD", &oid)) { | |
1277 | current_head = NULL; | |
1278 | } else { | |
005af339 | 1279 | current_head = lookup_commit_reference(r, &oid); |
356ee465 PW |
1280 | if (!current_head) |
1281 | return error(_("could not parse HEAD")); | |
9001dc2a | 1282 | if (!oideq(&oid, ¤t_head->object.oid)) { |
356ee465 PW |
1283 | warning(_("HEAD %s is not a commit!"), |
1284 | oid_to_hex(&oid)); | |
1285 | } | |
1286 | if (parse_commit(current_head)) | |
1287 | return error(_("could not parse HEAD commit")); | |
1288 | } | |
1289 | *head = current_head; | |
1290 | ||
1291 | return 0; | |
1292 | } | |
1293 | ||
1294 | /* | |
1295 | * Try to commit without forking 'git commit'. In some cases we need | |
1296 | * to run 'git commit' to display an error message | |
1297 | * | |
1298 | * Returns: | |
1299 | * -1 - error unable to commit | |
1300 | * 0 - success | |
1301 | * 1 - run 'git commit' | |
1302 | */ | |
f11c9580 NTND |
1303 | static int try_to_commit(struct repository *r, |
1304 | struct strbuf *msg, const char *author, | |
356ee465 PW |
1305 | struct replay_opts *opts, unsigned int flags, |
1306 | struct object_id *oid) | |
1307 | { | |
1308 | struct object_id tree; | |
b0a31861 | 1309 | struct commit *current_head = NULL; |
356ee465 PW |
1310 | struct commit_list *parents = NULL; |
1311 | struct commit_extra_header *extra = NULL; | |
1312 | struct strbuf err = STRBUF_INIT; | |
66618a50 | 1313 | struct strbuf commit_msg = STRBUF_INIT; |
356ee465 | 1314 | char *amend_author = NULL; |
66618a50 | 1315 | const char *hook_commit = NULL; |
356ee465 PW |
1316 | enum commit_msg_cleanup_mode cleanup; |
1317 | int res = 0; | |
1318 | ||
005af339 | 1319 | if (parse_head(r, ¤t_head)) |
356ee465 PW |
1320 | return -1; |
1321 | ||
1322 | if (flags & AMEND_MSG) { | |
1323 | const char *exclude_gpgsig[] = { "gpgsig", NULL }; | |
1324 | const char *out_enc = get_commit_output_encoding(); | |
1325 | const char *message = logmsg_reencode(current_head, NULL, | |
1326 | out_enc); | |
1327 | ||
1328 | if (!msg) { | |
1329 | const char *orig_message = NULL; | |
1330 | ||
1331 | find_commit_subject(message, &orig_message); | |
66618a50 | 1332 | msg = &commit_msg; |
356ee465 | 1333 | strbuf_addstr(msg, orig_message); |
66618a50 | 1334 | hook_commit = "HEAD"; |
356ee465 PW |
1335 | } |
1336 | author = amend_author = get_author(message); | |
1337 | unuse_commit_buffer(current_head, message); | |
1338 | if (!author) { | |
1339 | res = error(_("unable to parse commit author")); | |
1340 | goto out; | |
1341 | } | |
1342 | parents = copy_commit_list(current_head->parents); | |
1343 | extra = read_commit_extra_headers(current_head, exclude_gpgsig); | |
b0a31861 PW |
1344 | } else if (current_head && |
1345 | (!(flags & CREATE_ROOT_COMMIT) || (flags & AMEND_MSG))) { | |
356ee465 PW |
1346 | commit_list_insert(current_head, &parents); |
1347 | } | |
1348 | ||
f11c9580 | 1349 | if (write_index_as_tree(&tree, r->index, r->index_file, 0, NULL)) { |
356ee465 PW |
1350 | res = error(_("git write-tree failed to write a tree")); |
1351 | goto out; | |
1352 | } | |
1353 | ||
4a7e27e9 JK |
1354 | if (!(flags & ALLOW_EMPTY) && oideq(current_head ? |
1355 | get_commit_tree_oid(current_head) : | |
1356 | the_hash_algo->empty_tree, &tree)) { | |
356ee465 PW |
1357 | res = 1; /* run 'git commit' to display error message */ |
1358 | goto out; | |
1359 | } | |
1360 | ||
66618a50 | 1361 | if (find_hook("prepare-commit-msg")) { |
f11c9580 | 1362 | res = run_prepare_commit_msg_hook(r, msg, hook_commit); |
66618a50 PW |
1363 | if (res) |
1364 | goto out; | |
1365 | if (strbuf_read_file(&commit_msg, git_path_commit_editmsg(), | |
1366 | 2048) < 0) { | |
1367 | res = error_errno(_("unable to read commit message " | |
1368 | "from '%s'"), | |
1369 | git_path_commit_editmsg()); | |
1370 | goto out; | |
1371 | } | |
1372 | msg = &commit_msg; | |
1373 | } | |
1374 | ||
d74f3e58 PW |
1375 | if (flags & CLEANUP_MSG) |
1376 | cleanup = COMMIT_MSG_CLEANUP_ALL; | |
1377 | else if ((opts->signoff || opts->record_origin) && | |
1378 | !opts->explicit_cleanup) | |
1379 | cleanup = COMMIT_MSG_CLEANUP_SPACE; | |
1380 | else | |
1381 | cleanup = opts->default_msg_cleanup; | |
66618a50 PW |
1382 | |
1383 | if (cleanup != COMMIT_MSG_CLEANUP_NONE) | |
1384 | strbuf_stripspace(msg, cleanup == COMMIT_MSG_CLEANUP_ALL); | |
a3ec9eaf | 1385 | if ((flags & EDIT_MSG) && message_is_empty(msg, cleanup)) { |
66618a50 PW |
1386 | res = 1; /* run 'git commit' to display error message */ |
1387 | goto out; | |
1388 | } | |
1389 | ||
12f7babd JS |
1390 | reset_ident_date(); |
1391 | ||
8be8342b JH |
1392 | if (commit_tree_extended(msg->buf, msg->len, &tree, parents, |
1393 | oid, author, opts->gpg_sign, extra)) { | |
356ee465 PW |
1394 | res = error(_("failed to write commit object")); |
1395 | goto out; | |
1396 | } | |
1397 | ||
1398 | if (update_head_with_reflog(current_head, oid, | |
1399 | getenv("GIT_REFLOG_ACTION"), msg, &err)) { | |
1400 | res = error("%s", err.buf); | |
1401 | goto out; | |
1402 | } | |
1403 | ||
4627bc77 | 1404 | run_commit_hook(0, r->index_file, "post-commit", NULL); |
356ee465 | 1405 | if (flags & AMEND_MSG) |
1d18d758 | 1406 | commit_post_rewrite(r, current_head, oid); |
356ee465 PW |
1407 | |
1408 | out: | |
1409 | free_commit_extra_headers(extra); | |
1410 | strbuf_release(&err); | |
66618a50 | 1411 | strbuf_release(&commit_msg); |
356ee465 PW |
1412 | free(amend_author); |
1413 | ||
1414 | return res; | |
1415 | } | |
1416 | ||
f11c9580 NTND |
1417 | static int do_commit(struct repository *r, |
1418 | const char *msg_file, const char *author, | |
356ee465 PW |
1419 | struct replay_opts *opts, unsigned int flags) |
1420 | { | |
1421 | int res = 1; | |
1422 | ||
b0a31861 | 1423 | if (!(flags & EDIT_MSG) && !(flags & VERIFY_MSG)) { |
356ee465 PW |
1424 | struct object_id oid; |
1425 | struct strbuf sb = STRBUF_INIT; | |
1426 | ||
1427 | if (msg_file && strbuf_read_file(&sb, msg_file, 2048) < 0) | |
1428 | return error_errno(_("unable to read commit message " | |
1429 | "from '%s'"), | |
1430 | msg_file); | |
1431 | ||
f11c9580 NTND |
1432 | res = try_to_commit(r, msg_file ? &sb : NULL, |
1433 | author, opts, flags, &oid); | |
356ee465 PW |
1434 | strbuf_release(&sb); |
1435 | if (!res) { | |
f11c9580 NTND |
1436 | unlink(git_path_cherry_pick_head(r)); |
1437 | unlink(git_path_merge_msg(r)); | |
356ee465 | 1438 | if (!is_rebase_i(opts)) |
f11c9580 | 1439 | print_commit_summary(r, NULL, &oid, |
356ee465 PW |
1440 | SUMMARY_SHOW_AUTHOR_DATE); |
1441 | return res; | |
1442 | } | |
1443 | } | |
1444 | if (res == 1) | |
f11c9580 | 1445 | return run_git_commit(r, msg_file, opts, flags); |
356ee465 PW |
1446 | |
1447 | return res; | |
1448 | } | |
1449 | ||
b27cfb0d NH |
1450 | static int is_original_commit_empty(struct commit *commit) |
1451 | { | |
092bbcdf | 1452 | const struct object_id *ptree_oid; |
b27cfb0d NH |
1453 | |
1454 | if (parse_commit(commit)) | |
aee42e1f | 1455 | return error(_("could not parse commit %s"), |
f2fd0760 | 1456 | oid_to_hex(&commit->object.oid)); |
b27cfb0d NH |
1457 | if (commit->parents) { |
1458 | struct commit *parent = commit->parents->item; | |
1459 | if (parse_commit(parent)) | |
aee42e1f | 1460 | return error(_("could not parse parent commit %s"), |
f2fd0760 | 1461 | oid_to_hex(&parent->object.oid)); |
2e27bd77 | 1462 | ptree_oid = get_commit_tree_oid(parent); |
b27cfb0d | 1463 | } else { |
eb0ccfd7 | 1464 | ptree_oid = the_hash_algo->empty_tree; /* commit is root */ |
043a4492 | 1465 | } |
043a4492 | 1466 | |
4a7e27e9 | 1467 | return oideq(ptree_oid, get_commit_tree_oid(commit)); |
043a4492 RR |
1468 | } |
1469 | ||
ac2b0e8f JH |
1470 | /* |
1471 | * Do we run "git commit" with "--allow-empty"? | |
1472 | */ | |
f11c9580 NTND |
1473 | static int allow_empty(struct repository *r, |
1474 | struct replay_opts *opts, | |
1475 | struct commit *commit) | |
ac2b0e8f JH |
1476 | { |
1477 | int index_unchanged, empty_commit; | |
1478 | ||
1479 | /* | |
1480 | * Three cases: | |
1481 | * | |
1482 | * (1) we do not allow empty at all and error out. | |
1483 | * | |
1484 | * (2) we allow ones that were initially empty, but | |
1485 | * forbid the ones that become empty; | |
1486 | * | |
1487 | * (3) we allow both. | |
1488 | */ | |
1489 | if (!opts->allow_empty) | |
1490 | return 0; /* let "git commit" barf as necessary */ | |
1491 | ||
005af339 | 1492 | index_unchanged = is_index_unchanged(r); |
ac2b0e8f JH |
1493 | if (index_unchanged < 0) |
1494 | return index_unchanged; | |
1495 | if (!index_unchanged) | |
1496 | return 0; /* we do not have to say --allow-empty */ | |
1497 | ||
1498 | if (opts->keep_redundant_commits) | |
1499 | return 1; | |
1500 | ||
1501 | empty_commit = is_original_commit_empty(commit); | |
1502 | if (empty_commit < 0) | |
1503 | return empty_commit; | |
1504 | if (!empty_commit) | |
1505 | return 0; | |
1506 | else | |
1507 | return 1; | |
1508 | } | |
1509 | ||
414697a9 JS |
1510 | static struct { |
1511 | char c; | |
1512 | const char *str; | |
1513 | } todo_command_info[] = { | |
1514 | { 'p', "pick" }, | |
1515 | { 0, "revert" }, | |
1516 | { 'e', "edit" }, | |
04efc8b5 | 1517 | { 'r', "reword" }, |
414697a9 JS |
1518 | { 'f', "fixup" }, |
1519 | { 's', "squash" }, | |
1520 | { 'x', "exec" }, | |
71f82465 | 1521 | { 'b', "break" }, |
9055e401 JS |
1522 | { 'l', "label" }, |
1523 | { 't', "reset" }, | |
4c68e7dd | 1524 | { 'm', "merge" }, |
b3fdd581 | 1525 | { 0, "noop" }, |
ac191470 JS |
1526 | { 'd', "drop" }, |
1527 | { 0, NULL } | |
004fefa7 JS |
1528 | }; |
1529 | ||
1530 | static const char *command_to_string(const enum todo_command command) | |
1531 | { | |
ac191470 | 1532 | if (command < TODO_COMMENT) |
414697a9 | 1533 | return todo_command_info[command].str; |
02127c63 | 1534 | die(_("unknown command: %d"), command); |
004fefa7 JS |
1535 | } |
1536 | ||
ee5462d6 | 1537 | static char command_to_char(const enum todo_command command) |
d8ae6c84 LB |
1538 | { |
1539 | if (command < TODO_COMMENT && todo_command_info[command].c) | |
1540 | return todo_command_info[command].c; | |
1541 | return comment_line_char; | |
1542 | } | |
1543 | ||
25c43667 JS |
1544 | static int is_noop(const enum todo_command command) |
1545 | { | |
b3fdd581 | 1546 | return TODO_NOOP <= command; |
25c43667 | 1547 | } |
004fefa7 | 1548 | |
6e98de72 JS |
1549 | static int is_fixup(enum todo_command command) |
1550 | { | |
1551 | return command == TODO_FIXUP || command == TODO_SQUASH; | |
1552 | } | |
1553 | ||
d87d48b2 JS |
1554 | /* Does this command create a (non-merge) commit? */ |
1555 | static int is_pick_or_similar(enum todo_command command) | |
1556 | { | |
1557 | switch (command) { | |
1558 | case TODO_PICK: | |
1559 | case TODO_REVERT: | |
1560 | case TODO_EDIT: | |
1561 | case TODO_REWORD: | |
1562 | case TODO_FIXUP: | |
1563 | case TODO_SQUASH: | |
1564 | return 1; | |
1565 | default: | |
1566 | return 0; | |
1567 | } | |
1568 | } | |
1569 | ||
005af339 NTND |
1570 | static int update_squash_messages(struct repository *r, |
1571 | enum todo_command command, | |
1572 | struct commit *commit, | |
1573 | struct replay_opts *opts) | |
6e98de72 JS |
1574 | { |
1575 | struct strbuf buf = STRBUF_INIT; | |
e12a7ef5 | 1576 | int res; |
6e98de72 JS |
1577 | const char *message, *body; |
1578 | ||
e12a7ef5 | 1579 | if (opts->current_fixup_count > 0) { |
6e98de72 | 1580 | struct strbuf header = STRBUF_INIT; |
e12a7ef5 | 1581 | char *eol; |
6e98de72 | 1582 | |
e12a7ef5 | 1583 | if (strbuf_read_file(&buf, rebase_path_squash_msg(), 9) <= 0) |
6e98de72 JS |
1584 | return error(_("could not read '%s'"), |
1585 | rebase_path_squash_msg()); | |
1586 | ||
e12a7ef5 JS |
1587 | eol = buf.buf[0] != comment_line_char ? |
1588 | buf.buf : strchrnul(buf.buf, '\n'); | |
6e98de72 JS |
1589 | |
1590 | strbuf_addf(&header, "%c ", comment_line_char); | |
e12a7ef5 JS |
1591 | strbuf_addf(&header, _("This is a combination of %d commits."), |
1592 | opts->current_fixup_count + 2); | |
6e98de72 JS |
1593 | strbuf_splice(&buf, 0, eol - buf.buf, header.buf, header.len); |
1594 | strbuf_release(&header); | |
1595 | } else { | |
33d66df3 | 1596 | struct object_id head; |
6e98de72 JS |
1597 | struct commit *head_commit; |
1598 | const char *head_message, *body; | |
1599 | ||
33d66df3 | 1600 | if (get_oid("HEAD", &head)) |
6e98de72 | 1601 | return error(_("need a HEAD to fixup")); |
005af339 | 1602 | if (!(head_commit = lookup_commit_reference(r, &head))) |
6e98de72 JS |
1603 | return error(_("could not read HEAD")); |
1604 | if (!(head_message = get_commit_buffer(head_commit, NULL))) | |
1605 | return error(_("could not read HEAD's commit message")); | |
1606 | ||
1607 | find_commit_subject(head_message, &body); | |
1608 | if (write_message(body, strlen(body), | |
1609 | rebase_path_fixup_msg(), 0)) { | |
1610 | unuse_commit_buffer(head_commit, head_message); | |
1611 | return error(_("cannot write '%s'"), | |
1612 | rebase_path_fixup_msg()); | |
1613 | } | |
1614 | ||
6e98de72 | 1615 | strbuf_addf(&buf, "%c ", comment_line_char); |
e12a7ef5 | 1616 | strbuf_addf(&buf, _("This is a combination of %d commits."), 2); |
6e98de72 JS |
1617 | strbuf_addf(&buf, "\n%c ", comment_line_char); |
1618 | strbuf_addstr(&buf, _("This is the 1st commit message:")); | |
1619 | strbuf_addstr(&buf, "\n\n"); | |
1620 | strbuf_addstr(&buf, body); | |
1621 | ||
1622 | unuse_commit_buffer(head_commit, head_message); | |
1623 | } | |
1624 | ||
1625 | if (!(message = get_commit_buffer(commit, NULL))) | |
1626 | return error(_("could not read commit message of %s"), | |
1627 | oid_to_hex(&commit->object.oid)); | |
1628 | find_commit_subject(message, &body); | |
1629 | ||
1630 | if (command == TODO_SQUASH) { | |
1631 | unlink(rebase_path_fixup_msg()); | |
1632 | strbuf_addf(&buf, "\n%c ", comment_line_char); | |
e12a7ef5 | 1633 | strbuf_addf(&buf, _("This is the commit message #%d:"), |
dd2e36eb | 1634 | ++opts->current_fixup_count + 1); |
6e98de72 JS |
1635 | strbuf_addstr(&buf, "\n\n"); |
1636 | strbuf_addstr(&buf, body); | |
1637 | } else if (command == TODO_FIXUP) { | |
1638 | strbuf_addf(&buf, "\n%c ", comment_line_char); | |
1639 | strbuf_addf(&buf, _("The commit message #%d will be skipped:"), | |
dd2e36eb | 1640 | ++opts->current_fixup_count + 1); |
6e98de72 JS |
1641 | strbuf_addstr(&buf, "\n\n"); |
1642 | strbuf_add_commented_lines(&buf, body, strlen(body)); | |
1643 | } else | |
1644 | return error(_("unknown command: %d"), command); | |
1645 | unuse_commit_buffer(commit, message); | |
1646 | ||
1647 | res = write_message(buf.buf, buf.len, rebase_path_squash_msg(), 0); | |
1648 | strbuf_release(&buf); | |
e12a7ef5 JS |
1649 | |
1650 | if (!res) { | |
1651 | strbuf_addf(&opts->current_fixups, "%s%s %s", | |
1652 | opts->current_fixups.len ? "\n" : "", | |
1653 | command_to_string(command), | |
1654 | oid_to_hex(&commit->object.oid)); | |
1655 | res = write_message(opts->current_fixups.buf, | |
1656 | opts->current_fixups.len, | |
1657 | rebase_path_current_fixups(), 0); | |
1658 | } | |
1659 | ||
6e98de72 JS |
1660 | return res; |
1661 | } | |
1662 | ||
3b335762 NTND |
1663 | static void flush_rewritten_pending(void) |
1664 | { | |
25cb8df9 | 1665 | struct strbuf buf = STRBUF_INIT; |
092bbcdf | 1666 | struct object_id newoid; |
25cb8df9 JS |
1667 | FILE *out; |
1668 | ||
092bbcdf | 1669 | if (strbuf_read_file(&buf, rebase_path_rewritten_pending(), (GIT_MAX_HEXSZ + 1) * 2) > 0 && |
1670 | !get_oid("HEAD", &newoid) && | |
e9d983f1 | 1671 | (out = fopen_or_warn(rebase_path_rewritten_list(), "a"))) { |
25cb8df9 JS |
1672 | char *bol = buf.buf, *eol; |
1673 | ||
1674 | while (*bol) { | |
1675 | eol = strchrnul(bol, '\n'); | |
1676 | fprintf(out, "%.*s %s\n", (int)(eol - bol), | |
092bbcdf | 1677 | bol, oid_to_hex(&newoid)); |
25cb8df9 JS |
1678 | if (!*eol) |
1679 | break; | |
1680 | bol = eol + 1; | |
1681 | } | |
1682 | fclose(out); | |
1683 | unlink(rebase_path_rewritten_pending()); | |
1684 | } | |
1685 | strbuf_release(&buf); | |
1686 | } | |
1687 | ||
1688 | static void record_in_rewritten(struct object_id *oid, | |
3b335762 NTND |
1689 | enum todo_command next_command) |
1690 | { | |
e9d983f1 | 1691 | FILE *out = fopen_or_warn(rebase_path_rewritten_pending(), "a"); |
25cb8df9 JS |
1692 | |
1693 | if (!out) | |
1694 | return; | |
1695 | ||
1696 | fprintf(out, "%s\n", oid_to_hex(oid)); | |
1697 | fclose(out); | |
1698 | ||
1699 | if (!is_fixup(next_command)) | |
1700 | flush_rewritten_pending(); | |
1701 | } | |
1702 | ||
f11c9580 NTND |
1703 | static int do_pick_commit(struct repository *r, |
1704 | enum todo_command command, | |
1705 | struct commit *commit, | |
1706 | struct replay_opts *opts, | |
a47ba3c7 | 1707 | int final_fixup, int *check_todo) |
043a4492 | 1708 | { |
789b3eff | 1709 | unsigned int flags = opts->edit ? EDIT_MSG : 0; |
f11c9580 | 1710 | const char *msg_file = opts->edit ? NULL : git_path_merge_msg(r); |
ace976b2 | 1711 | struct object_id head; |
043a4492 RR |
1712 | struct commit *base, *next, *parent; |
1713 | const char *base_label, *next_label; | |
356ee465 | 1714 | char *author = NULL; |
d74a4e57 | 1715 | struct commit_message msg = { NULL, NULL, NULL, NULL }; |
043a4492 | 1716 | struct strbuf msgbuf = STRBUF_INIT; |
450efe2d | 1717 | int res, unborn = 0, reword = 0, allow; |
043a4492 RR |
1718 | |
1719 | if (opts->no_commit) { | |
1720 | /* | |
1721 | * We do not intend to commit immediately. We just want to | |
1722 | * merge the differences in, so let's compute the tree | |
1723 | * that represents the "current" state for merge-recursive | |
1724 | * to work on. | |
1725 | */ | |
f11c9580 | 1726 | if (write_index_as_tree(&head, r->index, r->index_file, 0, NULL)) |
93b3df6f | 1727 | return error(_("your index file is unmerged.")); |
043a4492 | 1728 | } else { |
ace976b2 | 1729 | unborn = get_oid("HEAD", &head); |
d87d48b2 JS |
1730 | /* Do we want to generate a root commit? */ |
1731 | if (is_pick_or_similar(command) && opts->have_squash_onto && | |
4a7e27e9 | 1732 | oideq(&head, &opts->squash_onto)) { |
d87d48b2 JS |
1733 | if (is_fixup(command)) |
1734 | return error(_("cannot fixup root commit")); | |
1735 | flags |= CREATE_ROOT_COMMIT; | |
1736 | unborn = 1; | |
1737 | } else if (unborn) | |
eb0ccfd7 | 1738 | oidcpy(&head, the_hash_algo->empty_tree); |
ffc00a48 | 1739 | if (index_differs_from(r, unborn ? empty_tree_oid_hex() : "HEAD", |
02f2f56b | 1740 | NULL, 0)) |
e1ff0a32 | 1741 | return error_dirty_index(r, opts); |
043a4492 | 1742 | } |
f11c9580 | 1743 | discard_index(r->index); |
043a4492 | 1744 | |
637666c8 | 1745 | if (!commit->parents) |
043a4492 | 1746 | parent = NULL; |
043a4492 RR |
1747 | else if (commit->parents->next) { |
1748 | /* Reverting or cherry-picking a merge commit */ | |
1749 | int cnt; | |
1750 | struct commit_list *p; | |
1751 | ||
1752 | if (!opts->mainline) | |
93b3df6f | 1753 | return error(_("commit %s is a merge but no -m option was given."), |
f2fd0760 | 1754 | oid_to_hex(&commit->object.oid)); |
043a4492 RR |
1755 | |
1756 | for (cnt = 1, p = commit->parents; | |
1757 | cnt != opts->mainline && p; | |
1758 | cnt++) | |
1759 | p = p->next; | |
1760 | if (cnt != opts->mainline || !p) | |
93b3df6f | 1761 | return error(_("commit %s does not have parent %d"), |
f2fd0760 | 1762 | oid_to_hex(&commit->object.oid), opts->mainline); |
043a4492 | 1763 | parent = p->item; |
37897bfc SO |
1764 | } else if (1 < opts->mainline) |
1765 | /* | |
1766 | * Non-first parent explicitly specified as mainline for | |
1767 | * non-merge commit | |
1768 | */ | |
1769 | return error(_("commit %s does not have parent %d"), | |
1770 | oid_to_hex(&commit->object.oid), opts->mainline); | |
043a4492 RR |
1771 | else |
1772 | parent = commit->parents->item; | |
1773 | ||
bcbb68be JS |
1774 | if (get_message(commit, &msg) != 0) |
1775 | return error(_("cannot get commit message for %s"), | |
1776 | oid_to_hex(&commit->object.oid)); | |
1777 | ||
6e98de72 | 1778 | if (opts->allow_ff && !is_fixup(command) && |
4a7e27e9 | 1779 | ((parent && oideq(&parent->object.oid, &head)) || |
bcbb68be JS |
1780 | (!parent && unborn))) { |
1781 | if (is_rebase_i(opts)) | |
1782 | write_author_script(msg.message); | |
f11c9580 | 1783 | res = fast_forward_to(r, &commit->object.oid, &head, unborn, |
bcbb68be JS |
1784 | opts); |
1785 | if (res || command != TODO_REWORD) | |
1786 | goto leave; | |
450efe2d | 1787 | reword = 1; |
bcbb68be JS |
1788 | msg_file = NULL; |
1789 | goto fast_forward_edit; | |
1790 | } | |
043a4492 | 1791 | if (parent && parse_commit(parent) < 0) |
004fefa7 JS |
1792 | /* TRANSLATORS: The first %s will be a "todo" command like |
1793 | "revert" or "pick", the second %s a SHA1. */ | |
043a4492 | 1794 | return error(_("%s: cannot parse parent commit %s"), |
004fefa7 JS |
1795 | command_to_string(command), |
1796 | oid_to_hex(&parent->object.oid)); | |
043a4492 | 1797 | |
043a4492 RR |
1798 | /* |
1799 | * "commit" is an existing commit. We would want to apply | |
1800 | * the difference it introduces since its first parent "prev" | |
1801 | * on top of the current HEAD if we are cherry-pick. Or the | |
1802 | * reverse of it if we are revert. | |
1803 | */ | |
1804 | ||
004fefa7 | 1805 | if (command == TODO_REVERT) { |
043a4492 RR |
1806 | base = commit; |
1807 | base_label = msg.label; | |
1808 | next = parent; | |
1809 | next_label = msg.parent_label; | |
1810 | strbuf_addstr(&msgbuf, "Revert \""); | |
1811 | strbuf_addstr(&msgbuf, msg.subject); | |
1812 | strbuf_addstr(&msgbuf, "\"\n\nThis reverts commit "); | |
f2fd0760 | 1813 | strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid)); |
043a4492 RR |
1814 | |
1815 | if (commit->parents && commit->parents->next) { | |
1816 | strbuf_addstr(&msgbuf, ", reversing\nchanges made to "); | |
f2fd0760 | 1817 | strbuf_addstr(&msgbuf, oid_to_hex(&parent->object.oid)); |
043a4492 RR |
1818 | } |
1819 | strbuf_addstr(&msgbuf, ".\n"); | |
1820 | } else { | |
1821 | const char *p; | |
1822 | ||
1823 | base = parent; | |
1824 | base_label = msg.parent_label; | |
1825 | next = commit; | |
1826 | next_label = msg.label; | |
1827 | ||
23aa5142 JS |
1828 | /* Append the commit log message to msgbuf. */ |
1829 | if (find_commit_subject(msg.message, &p)) | |
1830 | strbuf_addstr(&msgbuf, p); | |
043a4492 RR |
1831 | |
1832 | if (opts->record_origin) { | |
44dc738a | 1833 | strbuf_complete_line(&msgbuf); |
bab4d109 | 1834 | if (!has_conforming_footer(&msgbuf, NULL, 0)) |
b971e04f | 1835 | strbuf_addch(&msgbuf, '\n'); |
cd650a4e | 1836 | strbuf_addstr(&msgbuf, cherry_picked_prefix); |
f2fd0760 | 1837 | strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid)); |
043a4492 RR |
1838 | strbuf_addstr(&msgbuf, ")\n"); |
1839 | } | |
356ee465 PW |
1840 | if (!is_fixup(command)) |
1841 | author = get_author(msg.message); | |
043a4492 RR |
1842 | } |
1843 | ||
04efc8b5 | 1844 | if (command == TODO_REWORD) |
450efe2d | 1845 | reword = 1; |
04efc8b5 | 1846 | else if (is_fixup(command)) { |
005af339 | 1847 | if (update_squash_messages(r, command, commit, opts)) |
6e98de72 | 1848 | return -1; |
789b3eff | 1849 | flags |= AMEND_MSG; |
6e98de72 JS |
1850 | if (!final_fixup) |
1851 | msg_file = rebase_path_squash_msg(); | |
1852 | else if (file_exists(rebase_path_fixup_msg())) { | |
789b3eff | 1853 | flags |= CLEANUP_MSG; |
6e98de72 JS |
1854 | msg_file = rebase_path_fixup_msg(); |
1855 | } else { | |
f11c9580 | 1856 | const char *dest = git_path_squash_msg(r); |
6e98de72 JS |
1857 | unlink(dest); |
1858 | if (copy_file(dest, rebase_path_squash_msg(), 0666)) | |
1859 | return error(_("could not rename '%s' to '%s'"), | |
1860 | rebase_path_squash_msg(), dest); | |
f11c9580 | 1861 | unlink(git_path_merge_msg(r)); |
6e98de72 | 1862 | msg_file = dest; |
789b3eff | 1863 | flags |= EDIT_MSG; |
6e98de72 JS |
1864 | } |
1865 | } | |
1866 | ||
a852ec7f | 1867 | if (opts->signoff && !is_fixup(command)) |
b34eeea3 PW |
1868 | append_signoff(&msgbuf, 0, 0); |
1869 | ||
0473f28a JS |
1870 | if (is_rebase_i(opts) && write_author_script(msg.message) < 0) |
1871 | res = -1; | |
1872 | else if (!opts->strategy || !strcmp(opts->strategy, "recursive") || command == TODO_REVERT) { | |
f11c9580 | 1873 | res = do_recursive_merge(r, base, next, base_label, next_label, |
48be4c62 | 1874 | &head, &msgbuf, opts); |
f241ff0d | 1875 | if (res < 0) |
19517fb9 SB |
1876 | goto leave; |
1877 | ||
75871495 | 1878 | res |= write_message(msgbuf.buf, msgbuf.len, |
f11c9580 | 1879 | git_path_merge_msg(r), 0); |
043a4492 RR |
1880 | } else { |
1881 | struct commit_list *common = NULL; | |
1882 | struct commit_list *remotes = NULL; | |
1883 | ||
75871495 | 1884 | res = write_message(msgbuf.buf, msgbuf.len, |
f11c9580 | 1885 | git_path_merge_msg(r), 0); |
043a4492 RR |
1886 | |
1887 | commit_list_insert(base, &common); | |
1888 | commit_list_insert(next, &remotes); | |
f11c9580 | 1889 | res |= try_merge_command(r, opts->strategy, |
03a4e260 | 1890 | opts->xopts_nr, (const char **)opts->xopts, |
ace976b2 | 1891 | common, oid_to_hex(&head), remotes); |
043a4492 RR |
1892 | free_commit_list(common); |
1893 | free_commit_list(remotes); | |
1894 | } | |
452202c7 | 1895 | strbuf_release(&msgbuf); |
043a4492 RR |
1896 | |
1897 | /* | |
1898 | * If the merge was clean or if it failed due to conflict, we write | |
1899 | * CHERRY_PICK_HEAD for the subsequent invocation of commit to use. | |
1900 | * However, if the merge did not even start, then we don't want to | |
1901 | * write it at all. | |
1902 | */ | |
004fefa7 | 1903 | if (command == TODO_PICK && !opts->no_commit && (res == 0 || res == 1) && |
ae077771 | 1904 | update_ref(NULL, "CHERRY_PICK_HEAD", &commit->object.oid, NULL, |
91774afc | 1905 | REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) |
dbfad033 | 1906 | res = -1; |
004fefa7 | 1907 | if (command == TODO_REVERT && ((opts->no_commit && res == 0) || res == 1) && |
ae077771 | 1908 | update_ref(NULL, "REVERT_HEAD", &commit->object.oid, NULL, |
91774afc | 1909 | REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) |
dbfad033 | 1910 | res = -1; |
043a4492 RR |
1911 | |
1912 | if (res) { | |
004fefa7 | 1913 | error(command == TODO_REVERT |
043a4492 RR |
1914 | ? _("could not revert %s... %s") |
1915 | : _("could not apply %s... %s"), | |
39755964 | 1916 | short_commit_name(commit), msg.subject); |
005af339 | 1917 | print_advice(r, res == 1, opts); |
f11c9580 | 1918 | repo_rerere(r, opts->allow_rerere_auto); |
c8d1351d | 1919 | goto leave; |
043a4492 RR |
1920 | } |
1921 | ||
f11c9580 | 1922 | allow = allow_empty(r, opts, commit); |
706728a3 FC |
1923 | if (allow < 0) { |
1924 | res = allow; | |
1925 | goto leave; | |
789b3eff JS |
1926 | } else if (allow) |
1927 | flags |= ALLOW_EMPTY; | |
356ee465 | 1928 | if (!opts->no_commit) { |
356ee465 | 1929 | if (author || command == TODO_REVERT || (flags & AMEND_MSG)) |
f11c9580 | 1930 | res = do_commit(r, msg_file, author, opts, flags); |
356ee465 PW |
1931 | else |
1932 | res = error(_("unable to parse commit author")); | |
a47ba3c7 PW |
1933 | *check_todo = !!(flags & EDIT_MSG); |
1934 | if (!res && reword) { | |
450efe2d PW |
1935 | fast_forward_edit: |
1936 | res = run_git_commit(r, NULL, opts, EDIT_MSG | | |
1937 | VERIFY_MSG | AMEND_MSG | | |
1938 | (flags & ALLOW_EMPTY)); | |
a47ba3c7 PW |
1939 | *check_todo = 1; |
1940 | } | |
356ee465 | 1941 | } |
6e98de72 | 1942 | |
450efe2d | 1943 | |
6e98de72 JS |
1944 | if (!res && final_fixup) { |
1945 | unlink(rebase_path_fixup_msg()); | |
1946 | unlink(rebase_path_squash_msg()); | |
e12a7ef5 JS |
1947 | unlink(rebase_path_current_fixups()); |
1948 | strbuf_reset(&opts->current_fixups); | |
1949 | opts->current_fixup_count = 0; | |
6e98de72 | 1950 | } |
c8d1351d FC |
1951 | |
1952 | leave: | |
d74a4e57 | 1953 | free_message(commit, &msg); |
356ee465 | 1954 | free(author); |
1e41229d | 1955 | update_abort_safety_file(); |
043a4492 RR |
1956 | |
1957 | return res; | |
1958 | } | |
1959 | ||
c3e8618c | 1960 | static int prepare_revs(struct replay_opts *opts) |
043a4492 | 1961 | { |
a73e22e9 MZ |
1962 | /* |
1963 | * picking (but not reverting) ranges (but not individual revisions) | |
1964 | * should be done in reverse | |
1965 | */ | |
1966 | if (opts->action == REPLAY_PICK && !opts->revs->no_walk) | |
043a4492 RR |
1967 | opts->revs->reverse ^= 1; |
1968 | ||
1969 | if (prepare_revision_walk(opts->revs)) | |
c3e8618c | 1970 | return error(_("revision walk setup failed")); |
043a4492 | 1971 | |
c3e8618c | 1972 | return 0; |
043a4492 RR |
1973 | } |
1974 | ||
f11c9580 NTND |
1975 | static int read_and_refresh_cache(struct repository *r, |
1976 | struct replay_opts *opts) | |
043a4492 | 1977 | { |
14bca6c6 | 1978 | struct lock_file index_lock = LOCK_INIT; |
3a95f31d NTND |
1979 | int index_fd = repo_hold_locked_index(r, &index_lock, 0); |
1980 | if (repo_read_index(r) < 0) { | |
49fb937e | 1981 | rollback_lock_file(&index_lock); |
0d9c6dc9 | 1982 | return error(_("git %s: failed to read the index"), |
c28cbc5e | 1983 | _(action_name(opts))); |
49fb937e | 1984 | } |
f11c9580 | 1985 | refresh_index(r->index, REFRESH_QUIET|REFRESH_UNMERGED, NULL, NULL, NULL); |
61000814 | 1986 | if (index_fd >= 0) { |
f11c9580 | 1987 | if (write_locked_index(r->index, &index_lock, |
61000814 | 1988 | COMMIT_LOCK | SKIP_IF_UNCHANGED)) { |
0d9c6dc9 | 1989 | return error(_("git %s: failed to refresh the index"), |
c28cbc5e | 1990 | _(action_name(opts))); |
49fb937e | 1991 | } |
043a4492 | 1992 | } |
0d9c6dc9 | 1993 | return 0; |
043a4492 RR |
1994 | } |
1995 | ||
4c68e7dd JS |
1996 | enum todo_item_flags { |
1997 | TODO_EDIT_MERGE_MSG = 1 | |
1998 | }; | |
1999 | ||
5d94d545 | 2000 | void todo_list_release(struct todo_list *todo_list) |
043a4492 | 2001 | { |
004fefa7 | 2002 | strbuf_release(&todo_list->buf); |
6a83d902 | 2003 | FREE_AND_NULL(todo_list->items); |
004fefa7 JS |
2004 | todo_list->nr = todo_list->alloc = 0; |
2005 | } | |
043a4492 | 2006 | |
004fefa7 JS |
2007 | static struct todo_item *append_new_todo(struct todo_list *todo_list) |
2008 | { | |
2009 | ALLOC_GROW(todo_list->items, todo_list->nr + 1, todo_list->alloc); | |
2010 | return todo_list->items + todo_list->nr++; | |
043a4492 RR |
2011 | } |
2012 | ||
6ad656db AG |
2013 | const char *todo_item_get_arg(struct todo_list *todo_list, |
2014 | struct todo_item *item) | |
2015 | { | |
2016 | return todo_list->buf.buf + item->arg_offset; | |
2017 | } | |
2018 | ||
005af339 | 2019 | static int parse_insn_line(struct repository *r, struct todo_item *item, |
6ad656db | 2020 | const char *buf, const char *bol, char *eol) |
043a4492 | 2021 | { |
1e43ed98 | 2022 | struct object_id commit_oid; |
043a4492 | 2023 | char *end_of_object_name; |
004fefa7 JS |
2024 | int i, saved, status, padding; |
2025 | ||
4c68e7dd JS |
2026 | item->flags = 0; |
2027 | ||
8f8550b3 JS |
2028 | /* left-trim */ |
2029 | bol += strspn(bol, " \t"); | |
2030 | ||
25c43667 | 2031 | if (bol == eol || *bol == '\r' || *bol == comment_line_char) { |
ac191470 | 2032 | item->command = TODO_COMMENT; |
25c43667 | 2033 | item->commit = NULL; |
6ad656db | 2034 | item->arg_offset = bol - buf; |
25c43667 JS |
2035 | item->arg_len = eol - bol; |
2036 | return 0; | |
2037 | } | |
2038 | ||
ac191470 | 2039 | for (i = 0; i < TODO_COMMENT; i++) |
414697a9 JS |
2040 | if (skip_prefix(bol, todo_command_info[i].str, &bol)) { |
2041 | item->command = i; | |
2042 | break; | |
3a4a4cab JS |
2043 | } else if ((bol + 1 == eol || bol[1] == ' ') && |
2044 | *bol == todo_command_info[i].c) { | |
414697a9 | 2045 | bol++; |
004fefa7 JS |
2046 | item->command = i; |
2047 | break; | |
2048 | } | |
ac191470 | 2049 | if (i >= TODO_COMMENT) |
004fefa7 | 2050 | return -1; |
043a4492 | 2051 | |
66afa24f JS |
2052 | /* Eat up extra spaces/ tabs before object name */ |
2053 | padding = strspn(bol, " \t"); | |
2054 | bol += padding; | |
2055 | ||
71f82465 | 2056 | if (item->command == TODO_NOOP || item->command == TODO_BREAK) { |
66afa24f JS |
2057 | if (bol != eol) |
2058 | return error(_("%s does not accept arguments: '%s'"), | |
2059 | command_to_string(item->command), bol); | |
25c43667 | 2060 | item->commit = NULL; |
6ad656db | 2061 | item->arg_offset = bol - buf; |
25c43667 JS |
2062 | item->arg_len = eol - bol; |
2063 | return 0; | |
2064 | } | |
2065 | ||
043a4492 | 2066 | if (!padding) |
66afa24f JS |
2067 | return error(_("missing arguments for %s"), |
2068 | command_to_string(item->command)); | |
043a4492 | 2069 | |
9055e401 JS |
2070 | if (item->command == TODO_EXEC || item->command == TODO_LABEL || |
2071 | item->command == TODO_RESET) { | |
7dcbb3cb | 2072 | item->commit = NULL; |
6ad656db | 2073 | item->arg_offset = bol - buf; |
311af526 JS |
2074 | item->arg_len = (int)(eol - bol); |
2075 | return 0; | |
2076 | } | |
2077 | ||
4c68e7dd JS |
2078 | if (item->command == TODO_MERGE) { |
2079 | if (skip_prefix(bol, "-C", &bol)) | |
2080 | bol += strspn(bol, " \t"); | |
2081 | else if (skip_prefix(bol, "-c", &bol)) { | |
2082 | bol += strspn(bol, " \t"); | |
2083 | item->flags |= TODO_EDIT_MERGE_MSG; | |
2084 | } else { | |
2085 | item->flags |= TODO_EDIT_MERGE_MSG; | |
2086 | item->commit = NULL; | |
6ad656db | 2087 | item->arg_offset = bol - buf; |
4c68e7dd JS |
2088 | item->arg_len = (int)(eol - bol); |
2089 | return 0; | |
2090 | } | |
2091 | } | |
2092 | ||
004fefa7 | 2093 | end_of_object_name = (char *) bol + strcspn(bol, " \t\n"); |
043a4492 RR |
2094 | saved = *end_of_object_name; |
2095 | *end_of_object_name = '\0'; | |
1e43ed98 | 2096 | status = get_oid(bol, &commit_oid); |
043a4492 RR |
2097 | *end_of_object_name = saved; |
2098 | ||
6ad656db AG |
2099 | bol = end_of_object_name + strspn(end_of_object_name, " \t"); |
2100 | item->arg_offset = bol - buf; | |
2101 | item->arg_len = (int)(eol - bol); | |
c22f7dfb | 2102 | |
043a4492 | 2103 | if (status < 0) |
8b637cda JS |
2104 | return error(_("could not parse '%.*s'"), |
2105 | (int)(end_of_object_name - bol), bol); | |
043a4492 | 2106 | |
005af339 | 2107 | item->commit = lookup_commit_reference(r, &commit_oid); |
004fefa7 | 2108 | return !item->commit; |
043a4492 RR |
2109 | } |
2110 | ||
4a72486d PW |
2111 | int sequencer_get_last_command(struct repository *r, enum replay_action *action) |
2112 | { | |
2113 | struct todo_item item; | |
2114 | char *eol; | |
2115 | const char *todo_file; | |
2116 | struct strbuf buf = STRBUF_INIT; | |
2117 | int ret = -1; | |
2118 | ||
2119 | todo_file = git_path_todo_file(); | |
2120 | if (strbuf_read_file(&buf, todo_file, 0) < 0) { | |
2121 | if (errno == ENOENT) | |
2122 | return -1; | |
2123 | else | |
2124 | return error_errno("unable to open '%s'", todo_file); | |
2125 | } | |
2126 | eol = strchrnul(buf.buf, '\n'); | |
2127 | if (buf.buf != eol && eol[-1] == '\r') | |
2128 | eol--; /* strip Carriage Return */ | |
b51a0fdc | 2129 | if (parse_insn_line(r, &item, buf.buf, buf.buf, eol)) |
4a72486d PW |
2130 | goto fail; |
2131 | if (item.command == TODO_PICK) | |
2132 | *action = REPLAY_PICK; | |
2133 | else if (item.command == TODO_REVERT) | |
2134 | *action = REPLAY_REVERT; | |
2135 | else | |
2136 | goto fail; | |
2137 | ||
2138 | ret = 0; | |
2139 | ||
2140 | fail: | |
2141 | strbuf_release(&buf); | |
2142 | ||
2143 | return ret; | |
2144 | } | |
2145 | ||
5d94d545 AG |
2146 | int todo_list_parse_insn_buffer(struct repository *r, char *buf, |
2147 | struct todo_list *todo_list) | |
043a4492 | 2148 | { |
004fefa7 JS |
2149 | struct todo_item *item; |
2150 | char *p = buf, *next_p; | |
6e98de72 | 2151 | int i, res = 0, fixup_okay = file_exists(rebase_path_done()); |
043a4492 | 2152 | |
2b71595d AG |
2153 | todo_list->current = todo_list->nr = 0; |
2154 | ||
004fefa7 | 2155 | for (i = 1; *p; i++, p = next_p) { |
043a4492 | 2156 | char *eol = strchrnul(p, '\n'); |
004fefa7 JS |
2157 | |
2158 | next_p = *eol ? eol + 1 /* skip LF */ : eol; | |
2159 | ||
6307041d JS |
2160 | if (p != eol && eol[-1] == '\r') |
2161 | eol--; /* strip Carriage Return */ | |
2162 | ||
004fefa7 JS |
2163 | item = append_new_todo(todo_list); |
2164 | item->offset_in_buf = p - todo_list->buf.buf; | |
6ad656db | 2165 | if (parse_insn_line(r, item, buf, p, eol)) { |
93b3df6f | 2166 | res = error(_("invalid line %d: %.*s"), |
004fefa7 | 2167 | i, (int)(eol - p), p); |
2b71595d | 2168 | item->command = TODO_COMMENT + 1; |
6ad656db | 2169 | item->arg_offset = p - buf; |
2b71595d AG |
2170 | item->arg_len = (int)(eol - p); |
2171 | item->commit = NULL; | |
004fefa7 | 2172 | } |
6e98de72 JS |
2173 | |
2174 | if (fixup_okay) | |
2175 | ; /* do nothing */ | |
2176 | else if (is_fixup(item->command)) | |
2177 | return error(_("cannot '%s' without a previous commit"), | |
2178 | command_to_string(item->command)); | |
2179 | else if (!is_noop(item->command)) | |
2180 | fixup_okay = 1; | |
043a4492 | 2181 | } |
52865279 | 2182 | |
004fefa7 | 2183 | return res; |
043a4492 RR |
2184 | } |
2185 | ||
968492e4 JS |
2186 | static int count_commands(struct todo_list *todo_list) |
2187 | { | |
2188 | int count = 0, i; | |
2189 | ||
2190 | for (i = 0; i < todo_list->nr; i++) | |
2191 | if (todo_list->items[i].command != TODO_COMMENT) | |
2192 | count++; | |
2193 | ||
2194 | return count; | |
2195 | } | |
2196 | ||
a01c2a5f JS |
2197 | static int get_item_line_offset(struct todo_list *todo_list, int index) |
2198 | { | |
2199 | return index < todo_list->nr ? | |
2200 | todo_list->items[index].offset_in_buf : todo_list->buf.len; | |
2201 | } | |
2202 | ||
2203 | static const char *get_item_line(struct todo_list *todo_list, int index) | |
2204 | { | |
2205 | return todo_list->buf.buf + get_item_line_offset(todo_list, index); | |
2206 | } | |
2207 | ||
2208 | static int get_item_line_length(struct todo_list *todo_list, int index) | |
2209 | { | |
2210 | return get_item_line_offset(todo_list, index + 1) | |
2211 | - get_item_line_offset(todo_list, index); | |
2212 | } | |
2213 | ||
87805600 RS |
2214 | static ssize_t strbuf_read_file_or_whine(struct strbuf *sb, const char *path) |
2215 | { | |
2216 | int fd; | |
2217 | ssize_t len; | |
2218 | ||
2219 | fd = open(path, O_RDONLY); | |
2220 | if (fd < 0) | |
2221 | return error_errno(_("could not open '%s'"), path); | |
2222 | len = strbuf_read(sb, fd, 0); | |
2223 | close(fd); | |
2224 | if (len < 0) | |
2225 | return error(_("could not read '%s'."), path); | |
2226 | return len; | |
2227 | } | |
2228 | ||
b07d9bfd PW |
2229 | static int have_finished_the_last_pick(void) |
2230 | { | |
2231 | struct strbuf buf = STRBUF_INIT; | |
2232 | const char *eol; | |
2233 | const char *todo_path = git_path_todo_file(); | |
2234 | int ret = 0; | |
2235 | ||
2236 | if (strbuf_read_file(&buf, todo_path, 0) < 0) { | |
2237 | if (errno == ENOENT) { | |
2238 | return 0; | |
2239 | } else { | |
2240 | error_errno("unable to open '%s'", todo_path); | |
2241 | return 0; | |
2242 | } | |
2243 | } | |
2244 | /* If there is only one line then we are done */ | |
2245 | eol = strchr(buf.buf, '\n'); | |
2246 | if (!eol || !eol[1]) | |
2247 | ret = 1; | |
2248 | ||
2249 | strbuf_release(&buf); | |
2250 | ||
2251 | return ret; | |
2252 | } | |
2253 | ||
2254 | void sequencer_post_commit_cleanup(struct repository *r) | |
2255 | { | |
2256 | struct replay_opts opts = REPLAY_OPTS_INIT; | |
2257 | int need_cleanup = 0; | |
2258 | ||
2259 | if (file_exists(git_path_cherry_pick_head(r))) { | |
2260 | unlink(git_path_cherry_pick_head(r)); | |
2261 | opts.action = REPLAY_PICK; | |
2262 | need_cleanup = 1; | |
2263 | } | |
2264 | ||
2265 | if (file_exists(git_path_revert_head(r))) { | |
2266 | unlink(git_path_revert_head(r)); | |
2267 | opts.action = REPLAY_REVERT; | |
2268 | need_cleanup = 1; | |
2269 | } | |
2270 | ||
2271 | if (!need_cleanup) | |
2272 | return; | |
2273 | ||
2274 | if (!have_finished_the_last_pick()) | |
2275 | return; | |
2276 | ||
2277 | sequencer_remove_state(&opts); | |
2278 | } | |
2279 | ||
005af339 NTND |
2280 | static int read_populate_todo(struct repository *r, |
2281 | struct todo_list *todo_list, | |
2282 | struct replay_opts *opts) | |
043a4492 | 2283 | { |
54fd3243 | 2284 | struct stat st; |
c0246501 | 2285 | const char *todo_file = get_todo_path(opts); |
87805600 | 2286 | int res; |
043a4492 | 2287 | |
004fefa7 | 2288 | strbuf_reset(&todo_list->buf); |
87805600 RS |
2289 | if (strbuf_read_file_or_whine(&todo_list->buf, todo_file) < 0) |
2290 | return -1; | |
043a4492 | 2291 | |
54fd3243 SH |
2292 | res = stat(todo_file, &st); |
2293 | if (res) | |
2294 | return error(_("could not stat '%s'"), todo_file); | |
2295 | fill_stat_data(&todo_list->stat, &st); | |
2296 | ||
5d94d545 | 2297 | res = todo_list_parse_insn_buffer(r, todo_list->buf.buf, todo_list); |
27fdbb96 JS |
2298 | if (res) { |
2299 | if (is_rebase_i(opts)) | |
2300 | return error(_("please fix this using " | |
2301 | "'git rebase --edit-todo'.")); | |
93b3df6f | 2302 | return error(_("unusable instruction sheet: '%s'"), todo_file); |
27fdbb96 | 2303 | } |
2eeaf1b3 | 2304 | |
52865279 JS |
2305 | if (!todo_list->nr && |
2306 | (!is_rebase_i(opts) || !file_exists(rebase_path_done()))) | |
2307 | return error(_("no commits parsed.")); | |
2308 | ||
2eeaf1b3 | 2309 | if (!is_rebase_i(opts)) { |
004fefa7 JS |
2310 | enum todo_command valid = |
2311 | opts->action == REPLAY_PICK ? TODO_PICK : TODO_REVERT; | |
2312 | int i; | |
2313 | ||
2314 | for (i = 0; i < todo_list->nr; i++) | |
2315 | if (valid == todo_list->items[i].command) | |
2316 | continue; | |
2317 | else if (valid == TODO_PICK) | |
93b3df6f | 2318 | return error(_("cannot cherry-pick during a revert.")); |
004fefa7 | 2319 | else |
93b3df6f | 2320 | return error(_("cannot revert during a cherry-pick.")); |
004fefa7 JS |
2321 | } |
2322 | ||
968492e4 JS |
2323 | if (is_rebase_i(opts)) { |
2324 | struct todo_list done = TODO_LIST_INIT; | |
e9d983f1 | 2325 | FILE *f = fopen_or_warn(rebase_path_msgtotal(), "w"); |
968492e4 JS |
2326 | |
2327 | if (strbuf_read_file(&done.buf, rebase_path_done(), 0) > 0 && | |
5d94d545 | 2328 | !todo_list_parse_insn_buffer(r, done.buf.buf, &done)) |
968492e4 JS |
2329 | todo_list->done_nr = count_commands(&done); |
2330 | else | |
2331 | todo_list->done_nr = 0; | |
2332 | ||
2333 | todo_list->total_nr = todo_list->done_nr | |
2334 | + count_commands(todo_list); | |
968492e4 | 2335 | todo_list_release(&done); |
ef80069a JS |
2336 | |
2337 | if (f) { | |
2338 | fprintf(f, "%d\n", todo_list->total_nr); | |
2339 | fclose(f); | |
2340 | } | |
968492e4 JS |
2341 | } |
2342 | ||
0ae42a03 | 2343 | return 0; |
043a4492 RR |
2344 | } |
2345 | ||
03a4e260 JS |
2346 | static int git_config_string_dup(char **dest, |
2347 | const char *var, const char *value) | |
2348 | { | |
2349 | if (!value) | |
2350 | return config_error_nonbool(var); | |
2351 | free(*dest); | |
2352 | *dest = xstrdup(value); | |
2353 | return 0; | |
2354 | } | |
2355 | ||
043a4492 RR |
2356 | static int populate_opts_cb(const char *key, const char *value, void *data) |
2357 | { | |
2358 | struct replay_opts *opts = data; | |
2359 | int error_flag = 1; | |
2360 | ||
2361 | if (!value) | |
2362 | error_flag = 0; | |
2363 | else if (!strcmp(key, "options.no-commit")) | |
2364 | opts->no_commit = git_config_bool_or_int(key, value, &error_flag); | |
2365 | else if (!strcmp(key, "options.edit")) | |
2366 | opts->edit = git_config_bool_or_int(key, value, &error_flag); | |
6860ce5d PW |
2367 | else if (!strcmp(key, "options.allow-empty")) |
2368 | opts->allow_empty = | |
2369 | git_config_bool_or_int(key, value, &error_flag); | |
2370 | else if (!strcmp(key, "options.allow-empty-message")) | |
2371 | opts->allow_empty_message = | |
2372 | git_config_bool_or_int(key, value, &error_flag); | |
2373 | else if (!strcmp(key, "options.keep-redundant-commits")) | |
2374 | opts->keep_redundant_commits = | |
2375 | git_config_bool_or_int(key, value, &error_flag); | |
043a4492 RR |
2376 | else if (!strcmp(key, "options.signoff")) |
2377 | opts->signoff = git_config_bool_or_int(key, value, &error_flag); | |
2378 | else if (!strcmp(key, "options.record-origin")) | |
2379 | opts->record_origin = git_config_bool_or_int(key, value, &error_flag); | |
2380 | else if (!strcmp(key, "options.allow-ff")) | |
2381 | opts->allow_ff = git_config_bool_or_int(key, value, &error_flag); | |
2382 | else if (!strcmp(key, "options.mainline")) | |
2383 | opts->mainline = git_config_int(key, value); | |
2384 | else if (!strcmp(key, "options.strategy")) | |
03a4e260 | 2385 | git_config_string_dup(&opts->strategy, key, value); |
3253553e | 2386 | else if (!strcmp(key, "options.gpg-sign")) |
03a4e260 | 2387 | git_config_string_dup(&opts->gpg_sign, key, value); |
043a4492 RR |
2388 | else if (!strcmp(key, "options.strategy-option")) { |
2389 | ALLOC_GROW(opts->xopts, opts->xopts_nr + 1, opts->xopts_alloc); | |
2390 | opts->xopts[opts->xopts_nr++] = xstrdup(value); | |
8d8cb4b0 PW |
2391 | } else if (!strcmp(key, "options.allow-rerere-auto")) |
2392 | opts->allow_rerere_auto = | |
2393 | git_config_bool_or_int(key, value, &error_flag) ? | |
2394 | RERERE_AUTOUPDATE : RERERE_NOAUTOUPDATE; | |
dc42e9a8 PW |
2395 | else if (!strcmp(key, "options.default-msg-cleanup")) { |
2396 | opts->explicit_cleanup = 1; | |
2397 | opts->default_msg_cleanup = get_cleanup_mode(value, 1); | |
2398 | } else | |
93b3df6f | 2399 | return error(_("invalid key: %s"), key); |
043a4492 RR |
2400 | |
2401 | if (!error_flag) | |
93b3df6f | 2402 | return error(_("invalid value for %s: %s"), key, value); |
043a4492 RR |
2403 | |
2404 | return 0; | |
2405 | } | |
2406 | ||
65850686 | 2407 | void parse_strategy_opts(struct replay_opts *opts, char *raw_opts) |
ca6c6b45 JS |
2408 | { |
2409 | int i; | |
65850686 | 2410 | char *strategy_opts_string = raw_opts; |
ca6c6b45 | 2411 | |
0060041d EN |
2412 | if (*strategy_opts_string == ' ') |
2413 | strategy_opts_string++; | |
65850686 | 2414 | |
0060041d EN |
2415 | opts->xopts_nr = split_cmdline(strategy_opts_string, |
2416 | (const char ***)&opts->xopts); | |
ca6c6b45 JS |
2417 | for (i = 0; i < opts->xopts_nr; i++) { |
2418 | const char *arg = opts->xopts[i]; | |
2419 | ||
2420 | skip_prefix(arg, "--", &arg); | |
2421 | opts->xopts[i] = xstrdup(arg); | |
2422 | } | |
2423 | } | |
2424 | ||
65850686 AG |
2425 | static void read_strategy_opts(struct replay_opts *opts, struct strbuf *buf) |
2426 | { | |
2427 | strbuf_reset(buf); | |
2428 | if (!read_oneliner(buf, rebase_path_strategy(), 0)) | |
2429 | return; | |
2430 | opts->strategy = strbuf_detach(buf, NULL); | |
2431 | if (!read_oneliner(buf, rebase_path_strategy_opts(), 0)) | |
2432 | return; | |
2433 | ||
2434 | parse_strategy_opts(opts, buf->buf); | |
2435 | } | |
2436 | ||
5adf9bdc | 2437 | static int read_populate_opts(struct replay_opts *opts) |
043a4492 | 2438 | { |
a1c75762 JS |
2439 | if (is_rebase_i(opts)) { |
2440 | struct strbuf buf = STRBUF_INIT; | |
2441 | ||
2442 | if (read_oneliner(&buf, rebase_path_gpg_sign_opt(), 1)) { | |
2443 | if (!starts_with(buf.buf, "-S")) | |
2444 | strbuf_reset(&buf); | |
2445 | else { | |
2446 | free(opts->gpg_sign); | |
2447 | opts->gpg_sign = xstrdup(buf.buf + 2); | |
2448 | } | |
9b6d7a62 PW |
2449 | strbuf_reset(&buf); |
2450 | } | |
2451 | ||
2452 | if (read_oneliner(&buf, rebase_path_allow_rerere_autoupdate(), 1)) { | |
2453 | if (!strcmp(buf.buf, "--rerere-autoupdate")) | |
2454 | opts->allow_rerere_auto = RERERE_AUTOUPDATE; | |
2455 | else if (!strcmp(buf.buf, "--no-rerere-autoupdate")) | |
2456 | opts->allow_rerere_auto = RERERE_NOAUTOUPDATE; | |
2457 | strbuf_reset(&buf); | |
a1c75762 | 2458 | } |
a1c75762 | 2459 | |
556907f1 JS |
2460 | if (file_exists(rebase_path_verbose())) |
2461 | opts->verbose = 1; | |
2462 | ||
899b49c4 EN |
2463 | if (file_exists(rebase_path_quiet())) |
2464 | opts->quiet = 1; | |
2465 | ||
a852ec7f PW |
2466 | if (file_exists(rebase_path_signoff())) { |
2467 | opts->allow_ff = 0; | |
2468 | opts->signoff = 1; | |
2469 | } | |
2470 | ||
d421afa0 JS |
2471 | if (file_exists(rebase_path_reschedule_failed_exec())) |
2472 | opts->reschedule_failed_exec = 1; | |
2473 | ||
ca6c6b45 JS |
2474 | read_strategy_opts(opts, &buf); |
2475 | strbuf_release(&buf); | |
2476 | ||
e12a7ef5 JS |
2477 | if (read_oneliner(&opts->current_fixups, |
2478 | rebase_path_current_fixups(), 1)) { | |
2479 | const char *p = opts->current_fixups.buf; | |
2480 | opts->current_fixup_count = 1; | |
2481 | while ((p = strchr(p, '\n'))) { | |
2482 | opts->current_fixup_count++; | |
2483 | p++; | |
2484 | } | |
2485 | } | |
2486 | ||
d87d48b2 JS |
2487 | if (read_oneliner(&buf, rebase_path_squash_onto(), 0)) { |
2488 | if (get_oid_hex(buf.buf, &opts->squash_onto) < 0) | |
2489 | return error(_("unusable squash-onto")); | |
2490 | opts->have_squash_onto = 1; | |
2491 | } | |
2492 | ||
b5a67045 | 2493 | return 0; |
a1c75762 | 2494 | } |
b5a67045 | 2495 | |
f932729c | 2496 | if (!file_exists(git_path_opts_file())) |
0d00da7b JS |
2497 | return 0; |
2498 | /* | |
2499 | * The function git_parse_source(), called from git_config_from_file(), | |
2500 | * may die() in case of a syntactically incorrect file. We do not care | |
2501 | * about this case, though, because we wrote that file ourselves, so we | |
2502 | * are pretty certain that it is syntactically correct. | |
2503 | */ | |
5adf9bdc | 2504 | if (git_config_from_file(populate_opts_cb, git_path_opts_file(), opts) < 0) |
93b3df6f | 2505 | return error(_("malformed options sheet: '%s'"), |
0d00da7b JS |
2506 | git_path_opts_file()); |
2507 | return 0; | |
043a4492 RR |
2508 | } |
2509 | ||
65850686 AG |
2510 | static void write_strategy_opts(struct replay_opts *opts) |
2511 | { | |
2512 | int i; | |
2513 | struct strbuf buf = STRBUF_INIT; | |
2514 | ||
2515 | for (i = 0; i < opts->xopts_nr; ++i) | |
2516 | strbuf_addf(&buf, " --%s", opts->xopts[i]); | |
2517 | ||
2518 | write_file(rebase_path_strategy_opts(), "%s\n", buf.buf); | |
2519 | strbuf_release(&buf); | |
2520 | } | |
2521 | ||
2522 | int write_basic_state(struct replay_opts *opts, const char *head_name, | |
7d3488eb | 2523 | struct commit *onto, const char *orig_head) |
65850686 AG |
2524 | { |
2525 | const char *quiet = getenv("GIT_QUIET"); | |
2526 | ||
2527 | if (head_name) | |
2528 | write_file(rebase_path_head_name(), "%s\n", head_name); | |
2529 | if (onto) | |
7d3488eb PW |
2530 | write_file(rebase_path_onto(), "%s\n", |
2531 | oid_to_hex(&onto->object.oid)); | |
65850686 AG |
2532 | if (orig_head) |
2533 | write_file(rebase_path_orig_head(), "%s\n", orig_head); | |
2534 | ||
2535 | if (quiet) | |
2536 | write_file(rebase_path_quiet(), "%s\n", quiet); | |
65850686 | 2537 | if (opts->verbose) |
4af51741 | 2538 | write_file(rebase_path_verbose(), "%s", ""); |
65850686 AG |
2539 | if (opts->strategy) |
2540 | write_file(rebase_path_strategy(), "%s\n", opts->strategy); | |
2541 | if (opts->xopts_nr > 0) | |
2542 | write_strategy_opts(opts); | |
2543 | ||
2544 | if (opts->allow_rerere_auto == RERERE_AUTOUPDATE) | |
2545 | write_file(rebase_path_allow_rerere_autoupdate(), "--rerere-autoupdate\n"); | |
2546 | else if (opts->allow_rerere_auto == RERERE_NOAUTOUPDATE) | |
2547 | write_file(rebase_path_allow_rerere_autoupdate(), "--no-rerere-autoupdate\n"); | |
2548 | ||
2549 | if (opts->gpg_sign) | |
2550 | write_file(rebase_path_gpg_sign_opt(), "-S%s\n", opts->gpg_sign); | |
2551 | if (opts->signoff) | |
2552 | write_file(rebase_path_signoff(), "--signoff\n"); | |
d421afa0 JS |
2553 | if (opts->reschedule_failed_exec) |
2554 | write_file(rebase_path_reschedule_failed_exec(), "%s", ""); | |
65850686 AG |
2555 | |
2556 | return 0; | |
2557 | } | |
2558 | ||
004fefa7 | 2559 | static int walk_revs_populate_todo(struct todo_list *todo_list, |
043a4492 RR |
2560 | struct replay_opts *opts) |
2561 | { | |
004fefa7 JS |
2562 | enum todo_command command = opts->action == REPLAY_PICK ? |
2563 | TODO_PICK : TODO_REVERT; | |
414697a9 | 2564 | const char *command_string = todo_command_info[command].str; |
043a4492 | 2565 | struct commit *commit; |
043a4492 | 2566 | |
34b0528b JS |
2567 | if (prepare_revs(opts)) |
2568 | return -1; | |
043a4492 | 2569 | |
004fefa7 JS |
2570 | while ((commit = get_revision(opts->revs))) { |
2571 | struct todo_item *item = append_new_todo(todo_list); | |
2572 | const char *commit_buffer = get_commit_buffer(commit, NULL); | |
2573 | const char *subject; | |
2574 | int subject_len; | |
2575 | ||
2576 | item->command = command; | |
2577 | item->commit = commit; | |
6ad656db | 2578 | item->arg_offset = 0; |
c22f7dfb | 2579 | item->arg_len = 0; |
004fefa7 JS |
2580 | item->offset_in_buf = todo_list->buf.len; |
2581 | subject_len = find_commit_subject(commit_buffer, &subject); | |
2582 | strbuf_addf(&todo_list->buf, "%s %s %.*s\n", command_string, | |
2583 | short_commit_name(commit), subject_len, subject); | |
2584 | unuse_commit_buffer(commit, commit_buffer); | |
2585 | } | |
8530c739 JK |
2586 | |
2587 | if (!todo_list->nr) | |
2588 | return error(_("empty commit set passed")); | |
2589 | ||
34b0528b | 2590 | return 0; |
043a4492 RR |
2591 | } |
2592 | ||
2593 | static int create_seq_dir(void) | |
2594 | { | |
f932729c | 2595 | if (file_exists(git_path_seq_dir())) { |
043a4492 RR |
2596 | error(_("a cherry-pick or revert is already in progress")); |
2597 | advise(_("try \"git cherry-pick (--continue | --quit | --abort)\"")); | |
2598 | return -1; | |
a70d8f80 | 2599 | } else if (mkdir(git_path_seq_dir(), 0777) < 0) |
93b3df6f | 2600 | return error_errno(_("could not create sequencer directory '%s'"), |
f6e82b0d | 2601 | git_path_seq_dir()); |
043a4492 RR |
2602 | return 0; |
2603 | } | |
2604 | ||
311fd397 | 2605 | static int save_head(const char *head) |
043a4492 | 2606 | { |
14bca6c6 | 2607 | struct lock_file head_lock = LOCK_INIT; |
043a4492 RR |
2608 | struct strbuf buf = STRBUF_INIT; |
2609 | int fd; | |
ed3f9a12 | 2610 | ssize_t written; |
043a4492 | 2611 | |
311fd397 | 2612 | fd = hold_lock_file_for_update(&head_lock, git_path_head_file(), 0); |
350292a1 | 2613 | if (fd < 0) |
93b3df6f | 2614 | return error_errno(_("could not lock HEAD")); |
043a4492 | 2615 | strbuf_addf(&buf, "%s\n", head); |
ed3f9a12 RS |
2616 | written = write_in_full(fd, buf.buf, buf.len); |
2617 | strbuf_release(&buf); | |
2618 | if (written < 0) { | |
bf5c0571 | 2619 | error_errno(_("could not write to '%s'"), git_path_head_file()); |
311fd397 | 2620 | rollback_lock_file(&head_lock); |
bf5c0571 | 2621 | return -1; |
311fd397 | 2622 | } |
350292a1 MÅ |
2623 | if (commit_lock_file(&head_lock) < 0) |
2624 | return error(_("failed to finalize '%s'"), git_path_head_file()); | |
311fd397 | 2625 | return 0; |
043a4492 RR |
2626 | } |
2627 | ||
1e41229d SB |
2628 | static int rollback_is_safe(void) |
2629 | { | |
2630 | struct strbuf sb = STRBUF_INIT; | |
2631 | struct object_id expected_head, actual_head; | |
2632 | ||
2633 | if (strbuf_read_file(&sb, git_path_abort_safety_file(), 0) >= 0) { | |
2634 | strbuf_trim(&sb); | |
2635 | if (get_oid_hex(sb.buf, &expected_head)) { | |
2636 | strbuf_release(&sb); | |
2637 | die(_("could not parse %s"), git_path_abort_safety_file()); | |
2638 | } | |
2639 | strbuf_release(&sb); | |
2640 | } | |
2641 | else if (errno == ENOENT) | |
2642 | oidclr(&expected_head); | |
2643 | else | |
2644 | die_errno(_("could not read '%s'"), git_path_abort_safety_file()); | |
2645 | ||
2646 | if (get_oid("HEAD", &actual_head)) | |
2647 | oidclr(&actual_head); | |
2648 | ||
4a7e27e9 | 2649 | return oideq(&actual_head, &expected_head); |
1e41229d SB |
2650 | } |
2651 | ||
092bbcdf | 2652 | static int reset_for_rollback(const struct object_id *oid) |
043a4492 RR |
2653 | { |
2654 | const char *argv[4]; /* reset --merge <arg> + NULL */ | |
1e41229d | 2655 | |
043a4492 RR |
2656 | argv[0] = "reset"; |
2657 | argv[1] = "--merge"; | |
092bbcdf | 2658 | argv[2] = oid_to_hex(oid); |
043a4492 RR |
2659 | argv[3] = NULL; |
2660 | return run_command_v_opt(argv, RUN_GIT_CMD); | |
2661 | } | |
2662 | ||
005af339 | 2663 | static int rollback_single_pick(struct repository *r) |
043a4492 | 2664 | { |
092bbcdf | 2665 | struct object_id head_oid; |
043a4492 | 2666 | |
005af339 NTND |
2667 | if (!file_exists(git_path_cherry_pick_head(r)) && |
2668 | !file_exists(git_path_revert_head(r))) | |
043a4492 | 2669 | return error(_("no cherry-pick or revert in progress")); |
34c290a6 | 2670 | if (read_ref_full("HEAD", 0, &head_oid, NULL)) |
043a4492 | 2671 | return error(_("cannot resolve HEAD")); |
092bbcdf | 2672 | if (is_null_oid(&head_oid)) |
043a4492 | 2673 | return error(_("cannot abort from a branch yet to be born")); |
092bbcdf | 2674 | return reset_for_rollback(&head_oid); |
043a4492 RR |
2675 | } |
2676 | ||
005af339 | 2677 | int sequencer_rollback(struct repository *r, struct replay_opts *opts) |
043a4492 | 2678 | { |
043a4492 | 2679 | FILE *f; |
092bbcdf | 2680 | struct object_id oid; |
043a4492 | 2681 | struct strbuf buf = STRBUF_INIT; |
092bbcdf | 2682 | const char *p; |
043a4492 | 2683 | |
f932729c | 2684 | f = fopen(git_path_head_file(), "r"); |
043a4492 RR |
2685 | if (!f && errno == ENOENT) { |
2686 | /* | |
2687 | * There is no multiple-cherry-pick in progress. | |
2688 | * If CHERRY_PICK_HEAD or REVERT_HEAD indicates | |
2689 | * a single-cherry-pick in progress, abort that. | |
2690 | */ | |
005af339 | 2691 | return rollback_single_pick(r); |
043a4492 RR |
2692 | } |
2693 | if (!f) | |
f7ed1953 | 2694 | return error_errno(_("cannot open '%s'"), git_path_head_file()); |
8f309aeb | 2695 | if (strbuf_getline_lf(&buf, f)) { |
f7ed1953 | 2696 | error(_("cannot read '%s': %s"), git_path_head_file(), |
f932729c | 2697 | ferror(f) ? strerror(errno) : _("unexpected end of file")); |
043a4492 RR |
2698 | fclose(f); |
2699 | goto fail; | |
2700 | } | |
2701 | fclose(f); | |
092bbcdf | 2702 | if (parse_oid_hex(buf.buf, &oid, &p) || *p != '\0') { |
043a4492 | 2703 | error(_("stored pre-cherry-pick HEAD file '%s' is corrupt"), |
f932729c | 2704 | git_path_head_file()); |
043a4492 RR |
2705 | goto fail; |
2706 | } | |
092bbcdf | 2707 | if (is_null_oid(&oid)) { |
0f974e21 MG |
2708 | error(_("cannot abort from a branch yet to be born")); |
2709 | goto fail; | |
2710 | } | |
1e41229d SB |
2711 | |
2712 | if (!rollback_is_safe()) { | |
2713 | /* Do not error, just do not rollback */ | |
2714 | warning(_("You seem to have moved HEAD. " | |
2715 | "Not rewinding, check your HEAD!")); | |
2716 | } else | |
092bbcdf | 2717 | if (reset_for_rollback(&oid)) |
043a4492 | 2718 | goto fail; |
043a4492 | 2719 | strbuf_release(&buf); |
2863584f | 2720 | return sequencer_remove_state(opts); |
043a4492 RR |
2721 | fail: |
2722 | strbuf_release(&buf); | |
2723 | return -1; | |
2724 | } | |
2725 | ||
004fefa7 | 2726 | static int save_todo(struct todo_list *todo_list, struct replay_opts *opts) |
043a4492 | 2727 | { |
14bca6c6 | 2728 | struct lock_file todo_lock = LOCK_INIT; |
004fefa7 JS |
2729 | const char *todo_path = get_todo_path(opts); |
2730 | int next = todo_list->current, offset, fd; | |
043a4492 | 2731 | |
84583957 JS |
2732 | /* |
2733 | * rebase -i writes "git-rebase-todo" without the currently executing | |
2734 | * command, appending it to "done" instead. | |
2735 | */ | |
2736 | if (is_rebase_i(opts)) | |
2737 | next++; | |
2738 | ||
004fefa7 | 2739 | fd = hold_lock_file_for_update(&todo_lock, todo_path, 0); |
221675de | 2740 | if (fd < 0) |
93b3df6f | 2741 | return error_errno(_("could not lock '%s'"), todo_path); |
a01c2a5f | 2742 | offset = get_item_line_offset(todo_list, next); |
004fefa7 JS |
2743 | if (write_in_full(fd, todo_list->buf.buf + offset, |
2744 | todo_list->buf.len - offset) < 0) | |
93b3df6f | 2745 | return error_errno(_("could not write to '%s'"), todo_path); |
004fefa7 | 2746 | if (commit_lock_file(&todo_lock) < 0) |
350292a1 | 2747 | return error(_("failed to finalize '%s'"), todo_path); |
1df6df0c | 2748 | |
a01c2a5f JS |
2749 | if (is_rebase_i(opts) && next > 0) { |
2750 | const char *done = rebase_path_done(); | |
2751 | int fd = open(done, O_CREAT | O_WRONLY | O_APPEND, 0666); | |
2752 | int ret = 0; | |
1df6df0c | 2753 | |
a01c2a5f JS |
2754 | if (fd < 0) |
2755 | return 0; | |
2756 | if (write_in_full(fd, get_item_line(todo_list, next - 1), | |
2757 | get_item_line_length(todo_list, next - 1)) | |
2758 | < 0) | |
2759 | ret = error_errno(_("could not write to '%s'"), done); | |
2760 | if (close(fd) < 0) | |
2761 | ret = error_errno(_("failed to finalize '%s'"), done); | |
2762 | return ret; | |
1df6df0c | 2763 | } |
221675de | 2764 | return 0; |
043a4492 RR |
2765 | } |
2766 | ||
88d5a271 | 2767 | static int save_opts(struct replay_opts *opts) |
043a4492 | 2768 | { |
f932729c | 2769 | const char *opts_file = git_path_opts_file(); |
88d5a271 | 2770 | int res = 0; |
043a4492 RR |
2771 | |
2772 | if (opts->no_commit) | |
f59199d5 PW |
2773 | res |= git_config_set_in_file_gently(opts_file, |
2774 | "options.no-commit", "true"); | |
043a4492 | 2775 | if (opts->edit) |
f59199d5 PW |
2776 | res |= git_config_set_in_file_gently(opts_file, |
2777 | "options.edit", "true"); | |
6860ce5d PW |
2778 | if (opts->allow_empty) |
2779 | res |= git_config_set_in_file_gently(opts_file, | |
2780 | "options.allow-empty", "true"); | |
2781 | if (opts->allow_empty_message) | |
2782 | res |= git_config_set_in_file_gently(opts_file, | |
2783 | "options.allow-empty-message", "true"); | |
2784 | if (opts->keep_redundant_commits) | |
2785 | res |= git_config_set_in_file_gently(opts_file, | |
2786 | "options.keep-redundant-commits", "true"); | |
043a4492 | 2787 | if (opts->signoff) |
f59199d5 PW |
2788 | res |= git_config_set_in_file_gently(opts_file, |
2789 | "options.signoff", "true"); | |
043a4492 | 2790 | if (opts->record_origin) |
f59199d5 PW |
2791 | res |= git_config_set_in_file_gently(opts_file, |
2792 | "options.record-origin", "true"); | |
043a4492 | 2793 | if (opts->allow_ff) |
f59199d5 PW |
2794 | res |= git_config_set_in_file_gently(opts_file, |
2795 | "options.allow-ff", "true"); | |
043a4492 RR |
2796 | if (opts->mainline) { |
2797 | struct strbuf buf = STRBUF_INIT; | |
2798 | strbuf_addf(&buf, "%d", opts->mainline); | |
f59199d5 PW |
2799 | res |= git_config_set_in_file_gently(opts_file, |
2800 | "options.mainline", buf.buf); | |
043a4492 RR |
2801 | strbuf_release(&buf); |
2802 | } | |
2803 | if (opts->strategy) | |
f59199d5 PW |
2804 | res |= git_config_set_in_file_gently(opts_file, |
2805 | "options.strategy", opts->strategy); | |
3253553e | 2806 | if (opts->gpg_sign) |
f59199d5 PW |
2807 | res |= git_config_set_in_file_gently(opts_file, |
2808 | "options.gpg-sign", opts->gpg_sign); | |
043a4492 RR |
2809 | if (opts->xopts) { |
2810 | int i; | |
2811 | for (i = 0; i < opts->xopts_nr; i++) | |
88d5a271 | 2812 | res |= git_config_set_multivar_in_file_gently(opts_file, |
f59199d5 PW |
2813 | "options.strategy-option", |
2814 | opts->xopts[i], "^$", 0); | |
043a4492 | 2815 | } |
8d8cb4b0 | 2816 | if (opts->allow_rerere_auto) |
f59199d5 PW |
2817 | res |= git_config_set_in_file_gently(opts_file, |
2818 | "options.allow-rerere-auto", | |
2819 | opts->allow_rerere_auto == RERERE_AUTOUPDATE ? | |
2820 | "true" : "false"); | |
dc42e9a8 PW |
2821 | |
2822 | if (opts->explicit_cleanup) | |
2823 | res |= git_config_set_in_file_gently(opts_file, | |
2824 | "options.default-msg-cleanup", | |
2825 | describe_cleanup_mode(opts->default_msg_cleanup)); | |
88d5a271 | 2826 | return res; |
043a4492 RR |
2827 | } |
2828 | ||
f11c9580 NTND |
2829 | static int make_patch(struct repository *r, |
2830 | struct commit *commit, | |
2831 | struct replay_opts *opts) | |
56dc3ab0 JS |
2832 | { |
2833 | struct strbuf buf = STRBUF_INIT; | |
2834 | struct rev_info log_tree_opt; | |
2835 | const char *subject, *p; | |
2836 | int res = 0; | |
2837 | ||
2838 | p = short_commit_name(commit); | |
2839 | if (write_message(p, strlen(p), rebase_path_stopped_sha(), 1) < 0) | |
2840 | return -1; | |
fbd7a232 NTND |
2841 | if (update_ref("rebase", "REBASE_HEAD", &commit->object.oid, |
2842 | NULL, REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) | |
2843 | res |= error(_("could not update %s"), "REBASE_HEAD"); | |
56dc3ab0 JS |
2844 | |
2845 | strbuf_addf(&buf, "%s/patch", get_dir(opts)); | |
2846 | memset(&log_tree_opt, 0, sizeof(log_tree_opt)); | |
f11c9580 | 2847 | repo_init_revisions(r, &log_tree_opt, NULL); |
56dc3ab0 JS |
2848 | log_tree_opt.abbrev = 0; |
2849 | log_tree_opt.diff = 1; | |
2850 | log_tree_opt.diffopt.output_format = DIFF_FORMAT_PATCH; | |
2851 | log_tree_opt.disable_stdin = 1; | |
2852 | log_tree_opt.no_commit_id = 1; | |
2853 | log_tree_opt.diffopt.file = fopen(buf.buf, "w"); | |
2854 | log_tree_opt.diffopt.use_color = GIT_COLOR_NEVER; | |
2855 | if (!log_tree_opt.diffopt.file) | |
2856 | res |= error_errno(_("could not open '%s'"), buf.buf); | |
2857 | else { | |
2858 | res |= log_tree_commit(&log_tree_opt, commit); | |
2859 | fclose(log_tree_opt.diffopt.file); | |
2860 | } | |
2861 | strbuf_reset(&buf); | |
2862 | ||
2863 | strbuf_addf(&buf, "%s/message", get_dir(opts)); | |
2864 | if (!file_exists(buf.buf)) { | |
2865 | const char *commit_buffer = get_commit_buffer(commit, NULL); | |
2866 | find_commit_subject(commit_buffer, &subject); | |
2867 | res |= write_message(subject, strlen(subject), buf.buf, 1); | |
2868 | unuse_commit_buffer(commit, commit_buffer); | |
2869 | } | |
2870 | strbuf_release(&buf); | |
2871 | ||
2872 | return res; | |
2873 | } | |
2874 | ||
2875 | static int intend_to_amend(void) | |
2876 | { | |
092bbcdf | 2877 | struct object_id head; |
56dc3ab0 JS |
2878 | char *p; |
2879 | ||
092bbcdf | 2880 | if (get_oid("HEAD", &head)) |
56dc3ab0 JS |
2881 | return error(_("cannot read HEAD")); |
2882 | ||
092bbcdf | 2883 | p = oid_to_hex(&head); |
56dc3ab0 JS |
2884 | return write_message(p, strlen(p), rebase_path_amend(), 1); |
2885 | } | |
2886 | ||
f11c9580 NTND |
2887 | static int error_with_patch(struct repository *r, |
2888 | struct commit *commit, | |
2889 | const char *subject, int subject_len, | |
2890 | struct replay_opts *opts, | |
2891 | int exit_code, int to_amend) | |
56dc3ab0 | 2892 | { |
bc9238bb | 2893 | if (commit) { |
f11c9580 | 2894 | if (make_patch(r, commit, opts)) |
bc9238bb | 2895 | return -1; |
5a5c5e95 | 2896 | } else if (copy_file(rebase_path_message(), |
f11c9580 | 2897 | git_path_merge_msg(r), 0666)) |
bc9238bb | 2898 | return error(_("unable to copy '%s' to '%s'"), |
f11c9580 | 2899 | git_path_merge_msg(r), rebase_path_message()); |
56dc3ab0 JS |
2900 | |
2901 | if (to_amend) { | |
2902 | if (intend_to_amend()) | |
2903 | return -1; | |
2904 | ||
02127c63 NTND |
2905 | fprintf(stderr, |
2906 | _("You can amend the commit now, with\n" | |
2907 | "\n" | |
2908 | " git commit --amend %s\n" | |
2909 | "\n" | |
2910 | "Once you are satisfied with your changes, run\n" | |
2911 | "\n" | |
2912 | " git rebase --continue\n"), | |
2913 | gpg_sign_opt_quoted(opts)); | |
bc9238bb PW |
2914 | } else if (exit_code) { |
2915 | if (commit) | |
5a5c5e95 JH |
2916 | fprintf_ln(stderr, _("Could not apply %s... %.*s"), |
2917 | short_commit_name(commit), subject_len, subject); | |
bc9238bb PW |
2918 | else |
2919 | /* | |
2920 | * We don't have the hash of the parent so | |
2921 | * just print the line from the todo file. | |
2922 | */ | |
5a5c5e95 JH |
2923 | fprintf_ln(stderr, _("Could not merge %.*s"), |
2924 | subject_len, subject); | |
bc9238bb | 2925 | } |
56dc3ab0 JS |
2926 | |
2927 | return exit_code; | |
2928 | } | |
2929 | ||
f11c9580 NTND |
2930 | static int error_failed_squash(struct repository *r, |
2931 | struct commit *commit, | |
2932 | struct replay_opts *opts, | |
2933 | int subject_len, | |
2934 | const char *subject) | |
6e98de72 | 2935 | { |
e12a7ef5 JS |
2936 | if (copy_file(rebase_path_message(), rebase_path_squash_msg(), 0666)) |
2937 | return error(_("could not copy '%s' to '%s'"), | |
6e98de72 | 2938 | rebase_path_squash_msg(), rebase_path_message()); |
f11c9580 NTND |
2939 | unlink(git_path_merge_msg(r)); |
2940 | if (copy_file(git_path_merge_msg(r), rebase_path_message(), 0666)) | |
6e98de72 | 2941 | return error(_("could not copy '%s' to '%s'"), |
102de880 | 2942 | rebase_path_message(), |
f11c9580 NTND |
2943 | git_path_merge_msg(r)); |
2944 | return error_with_patch(r, commit, subject, subject_len, opts, 1, 0); | |
6e98de72 JS |
2945 | } |
2946 | ||
f11c9580 | 2947 | static int do_exec(struct repository *r, const char *command_line) |
311af526 | 2948 | { |
09d7b6c6 | 2949 | struct argv_array child_env = ARGV_ARRAY_INIT; |
311af526 JS |
2950 | const char *child_argv[] = { NULL, NULL }; |
2951 | int dirty, status; | |
2952 | ||
2953 | fprintf(stderr, "Executing: %s\n", command_line); | |
2954 | child_argv[0] = command_line; | |
09d7b6c6 | 2955 | argv_array_pushf(&child_env, "GIT_DIR=%s", absolute_path(get_git_dir())); |
ab5e67d7 | 2956 | argv_array_pushf(&child_env, "GIT_WORK_TREE=%s", |
2957 | absolute_path(get_git_work_tree())); | |
09d7b6c6 JK |
2958 | status = run_command_v_opt_cd_env(child_argv, RUN_USING_SHELL, NULL, |
2959 | child_env.argv); | |
311af526 JS |
2960 | |
2961 | /* force re-reading of the cache */ | |
e1ff0a32 | 2962 | if (discard_index(r->index) < 0 || repo_read_index(r) < 0) |
311af526 JS |
2963 | return error(_("could not read index")); |
2964 | ||
f11c9580 | 2965 | dirty = require_clean_work_tree(r, "rebase", NULL, 1, 1); |
311af526 JS |
2966 | |
2967 | if (status) { | |
2968 | warning(_("execution failed: %s\n%s" | |
2969 | "You can fix the problem, and then run\n" | |
2970 | "\n" | |
2971 | " git rebase --continue\n" | |
2972 | "\n"), | |
2973 | command_line, | |
2974 | dirty ? N_("and made changes to the index and/or the " | |
2975 | "working tree\n") : ""); | |
2976 | if (status == 127) | |
2977 | /* command not found */ | |
2978 | status = 1; | |
2979 | } else if (dirty) { | |
2980 | warning(_("execution succeeded: %s\nbut " | |
2981 | "left changes to the index and/or the working tree\n" | |
2982 | "Commit or stash your changes, and then run\n" | |
2983 | "\n" | |
2984 | " git rebase --continue\n" | |
2985 | "\n"), command_line); | |
2986 | status = 1; | |
2987 | } | |
2988 | ||
09d7b6c6 JK |
2989 | argv_array_clear(&child_env); |
2990 | ||
311af526 JS |
2991 | return status; |
2992 | } | |
2993 | ||
9055e401 JS |
2994 | static int safe_append(const char *filename, const char *fmt, ...) |
2995 | { | |
2996 | va_list ap; | |
2997 | struct lock_file lock = LOCK_INIT; | |
2998 | int fd = hold_lock_file_for_update(&lock, filename, | |
2999 | LOCK_REPORT_ON_ERROR); | |
3000 | struct strbuf buf = STRBUF_INIT; | |
3001 | ||
3002 | if (fd < 0) | |
3003 | return -1; | |
3004 | ||
3005 | if (strbuf_read_file(&buf, filename, 0) < 0 && errno != ENOENT) { | |
3006 | error_errno(_("could not read '%s'"), filename); | |
3007 | rollback_lock_file(&lock); | |
3008 | return -1; | |
3009 | } | |
3010 | strbuf_complete(&buf, '\n'); | |
3011 | va_start(ap, fmt); | |
3012 | strbuf_vaddf(&buf, fmt, ap); | |
3013 | va_end(ap); | |
3014 | ||
3015 | if (write_in_full(fd, buf.buf, buf.len) < 0) { | |
3016 | error_errno(_("could not write to '%s'"), filename); | |
3017 | strbuf_release(&buf); | |
3018 | rollback_lock_file(&lock); | |
3019 | return -1; | |
3020 | } | |
3021 | if (commit_lock_file(&lock) < 0) { | |
3022 | strbuf_release(&buf); | |
3023 | rollback_lock_file(&lock); | |
3024 | return error(_("failed to finalize '%s'"), filename); | |
3025 | } | |
3026 | ||
3027 | strbuf_release(&buf); | |
3028 | return 0; | |
3029 | } | |
3030 | ||
f11c9580 | 3031 | static int do_label(struct repository *r, const char *name, int len) |
9055e401 | 3032 | { |
f11c9580 | 3033 | struct ref_store *refs = get_main_ref_store(r); |
9055e401 JS |
3034 | struct ref_transaction *transaction; |
3035 | struct strbuf ref_name = STRBUF_INIT, err = STRBUF_INIT; | |
3036 | struct strbuf msg = STRBUF_INIT; | |
3037 | int ret = 0; | |
3038 | struct object_id head_oid; | |
3039 | ||
3040 | if (len == 1 && *name == '#') | |
02127c63 | 3041 | return error(_("illegal label name: '%.*s'"), len, name); |
9055e401 JS |
3042 | |
3043 | strbuf_addf(&ref_name, "refs/rewritten/%.*s", len, name); | |
3044 | strbuf_addf(&msg, "rebase -i (label) '%.*s'", len, name); | |
3045 | ||
3046 | transaction = ref_store_transaction_begin(refs, &err); | |
3047 | if (!transaction) { | |
3048 | error("%s", err.buf); | |
3049 | ret = -1; | |
3050 | } else if (get_oid("HEAD", &head_oid)) { | |
3051 | error(_("could not read HEAD")); | |
3052 | ret = -1; | |
3053 | } else if (ref_transaction_update(transaction, ref_name.buf, &head_oid, | |
3054 | NULL, 0, msg.buf, &err) < 0 || | |
3055 | ref_transaction_commit(transaction, &err)) { | |
3056 | error("%s", err.buf); | |
3057 | ret = -1; | |
3058 | } | |
3059 | ref_transaction_free(transaction); | |
3060 | strbuf_release(&err); | |
3061 | strbuf_release(&msg); | |
3062 | ||
3063 | if (!ret) | |
3064 | ret = safe_append(rebase_path_refs_to_delete(), | |
3065 | "%s\n", ref_name.buf); | |
3066 | strbuf_release(&ref_name); | |
3067 | ||
3068 | return ret; | |
3069 | } | |
3070 | ||
3071 | static const char *reflog_message(struct replay_opts *opts, | |
3072 | const char *sub_action, const char *fmt, ...); | |
3073 | ||
f11c9580 NTND |
3074 | static int do_reset(struct repository *r, |
3075 | const char *name, int len, | |
3076 | struct replay_opts *opts) | |
9055e401 JS |
3077 | { |
3078 | struct strbuf ref_name = STRBUF_INIT; | |
3079 | struct object_id oid; | |
3080 | struct lock_file lock = LOCK_INIT; | |
3081 | struct tree_desc desc; | |
3082 | struct tree *tree; | |
3083 | struct unpack_trees_options unpack_tree_opts; | |
71571cd7 | 3084 | int ret = 0; |
9055e401 | 3085 | |
3a95f31d | 3086 | if (repo_hold_locked_index(r, &lock, LOCK_REPORT_ON_ERROR) < 0) |
9055e401 JS |
3087 | return -1; |
3088 | ||
ebddf393 JS |
3089 | if (len == 10 && !strncmp("[new root]", name, len)) { |
3090 | if (!opts->have_squash_onto) { | |
3091 | const char *hex; | |
3092 | if (commit_tree("", 0, the_hash_algo->empty_tree, | |
3093 | NULL, &opts->squash_onto, | |
3094 | NULL, NULL)) | |
3095 | return error(_("writing fake root commit")); | |
3096 | opts->have_squash_onto = 1; | |
3097 | hex = oid_to_hex(&opts->squash_onto); | |
3098 | if (write_message(hex, strlen(hex), | |
3099 | rebase_path_squash_onto(), 0)) | |
3100 | return error(_("writing squash-onto")); | |
3101 | } | |
3102 | oidcpy(&oid, &opts->squash_onto); | |
3103 | } else { | |
71571cd7 MÅ |
3104 | int i; |
3105 | ||
ebddf393 JS |
3106 | /* Determine the length of the label */ |
3107 | for (i = 0; i < len; i++) | |
3108 | if (isspace(name[i])) | |
71571cd7 MÅ |
3109 | break; |
3110 | len = i; | |
ebddf393 JS |
3111 | |
3112 | strbuf_addf(&ref_name, "refs/rewritten/%.*s", len, name); | |
3113 | if (get_oid(ref_name.buf, &oid) && | |
3114 | get_oid(ref_name.buf + strlen("refs/rewritten/"), &oid)) { | |
3115 | error(_("could not read '%s'"), ref_name.buf); | |
3116 | rollback_lock_file(&lock); | |
3117 | strbuf_release(&ref_name); | |
3118 | return -1; | |
3119 | } | |
9055e401 JS |
3120 | } |
3121 | ||
3122 | memset(&unpack_tree_opts, 0, sizeof(unpack_tree_opts)); | |
3123 | setup_unpack_trees_porcelain(&unpack_tree_opts, "reset"); | |
3124 | unpack_tree_opts.head_idx = 1; | |
f11c9580 NTND |
3125 | unpack_tree_opts.src_index = r->index; |
3126 | unpack_tree_opts.dst_index = r->index; | |
9055e401 JS |
3127 | unpack_tree_opts.fn = oneway_merge; |
3128 | unpack_tree_opts.merge = 1; | |
3129 | unpack_tree_opts.update = 1; | |
3130 | ||
e1ff0a32 | 3131 | if (repo_read_index_unmerged(r)) { |
9055e401 JS |
3132 | rollback_lock_file(&lock); |
3133 | strbuf_release(&ref_name); | |
3134 | return error_resolve_conflict(_(action_name(opts))); | |
3135 | } | |
3136 | ||
3137 | if (!fill_tree_descriptor(&desc, &oid)) { | |
3138 | error(_("failed to find tree of %s"), oid_to_hex(&oid)); | |
3139 | rollback_lock_file(&lock); | |
3140 | free((void *)desc.buffer); | |
3141 | strbuf_release(&ref_name); | |
3142 | return -1; | |
3143 | } | |
3144 | ||
3145 | if (unpack_trees(1, &desc, &unpack_tree_opts)) { | |
3146 | rollback_lock_file(&lock); | |
3147 | free((void *)desc.buffer); | |
3148 | strbuf_release(&ref_name); | |
3149 | return -1; | |
3150 | } | |
3151 | ||
3152 | tree = parse_tree_indirect(&oid); | |
c207e9e1 | 3153 | prime_cache_tree(r, r->index, tree); |
9055e401 | 3154 | |
f11c9580 | 3155 | if (write_locked_index(r->index, &lock, COMMIT_LOCK) < 0) |
9055e401 JS |
3156 | ret = error(_("could not write index")); |
3157 | free((void *)desc.buffer); | |
3158 | ||
3159 | if (!ret) | |
3160 | ret = update_ref(reflog_message(opts, "reset", "'%.*s'", | |
3161 | len, name), "HEAD", &oid, | |
3162 | NULL, 0, UPDATE_REFS_MSG_ON_ERR); | |
3163 | ||
3164 | strbuf_release(&ref_name); | |
3165 | return ret; | |
3166 | } | |
3167 | ||
2b6ad0f4 JS |
3168 | static struct commit *lookup_label(const char *label, int len, |
3169 | struct strbuf *buf) | |
3170 | { | |
3171 | struct commit *commit; | |
3172 | ||
3173 | strbuf_reset(buf); | |
3174 | strbuf_addf(buf, "refs/rewritten/%.*s", len, label); | |
3175 | commit = lookup_commit_reference_by_name(buf->buf); | |
3176 | if (!commit) { | |
3177 | /* fall back to non-rewritten ref or commit */ | |
3178 | strbuf_splice(buf, 0, strlen("refs/rewritten/"), "", 0); | |
3179 | commit = lookup_commit_reference_by_name(buf->buf); | |
3180 | } | |
3181 | ||
3182 | if (!commit) | |
3183 | error(_("could not resolve '%s'"), buf->buf); | |
3184 | ||
3185 | return commit; | |
3186 | } | |
3187 | ||
f11c9580 NTND |
3188 | static int do_merge(struct repository *r, |
3189 | struct commit *commit, | |
3190 | const char *arg, int arg_len, | |
4c68e7dd JS |
3191 | int flags, struct replay_opts *opts) |
3192 | { | |
3193 | int run_commit_flags = (flags & TODO_EDIT_MERGE_MSG) ? | |
3194 | EDIT_MSG | VERIFY_MSG : 0; | |
3195 | struct strbuf ref_name = STRBUF_INIT; | |
3196 | struct commit *head_commit, *merge_commit, *i; | |
3197 | struct commit_list *bases, *j, *reversed = NULL; | |
2b6ad0f4 | 3198 | struct commit_list *to_merge = NULL, **tail = &to_merge; |
4c68e7dd | 3199 | struct merge_options o; |
2b6ad0f4 | 3200 | int merge_arg_len, oneline_offset, can_fast_forward, ret, k; |
4c68e7dd JS |
3201 | static struct lock_file lock; |
3202 | const char *p; | |
3203 | ||
3a95f31d | 3204 | if (repo_hold_locked_index(r, &lock, LOCK_REPORT_ON_ERROR) < 0) { |
4c68e7dd JS |
3205 | ret = -1; |
3206 | goto leave_merge; | |
3207 | } | |
3208 | ||
3209 | head_commit = lookup_commit_reference_by_name("HEAD"); | |
3210 | if (!head_commit) { | |
3211 | ret = error(_("cannot merge without a current revision")); | |
3212 | goto leave_merge; | |
3213 | } | |
3214 | ||
2b6ad0f4 JS |
3215 | /* |
3216 | * For octopus merges, the arg starts with the list of revisions to be | |
3217 | * merged. The list is optionally followed by '#' and the oneline. | |
3218 | */ | |
3219 | merge_arg_len = oneline_offset = arg_len; | |
3220 | for (p = arg; p - arg < arg_len; p += strspn(p, " \t\n")) { | |
3221 | if (!*p) | |
3222 | break; | |
3223 | if (*p == '#' && (!p[1] || isspace(p[1]))) { | |
3224 | p += 1 + strspn(p + 1, " \t\n"); | |
3225 | oneline_offset = p - arg; | |
3226 | break; | |
3227 | } | |
3228 | k = strcspn(p, " \t\n"); | |
3229 | if (!k) | |
3230 | continue; | |
3231 | merge_commit = lookup_label(p, k, &ref_name); | |
3232 | if (!merge_commit) { | |
3233 | ret = error(_("unable to parse '%.*s'"), k, p); | |
3234 | goto leave_merge; | |
3235 | } | |
3236 | tail = &commit_list_insert(merge_commit, tail)->next; | |
3237 | p += k; | |
3238 | merge_arg_len = p - arg; | |
4c68e7dd JS |
3239 | } |
3240 | ||
2b6ad0f4 JS |
3241 | if (!to_merge) { |
3242 | ret = error(_("nothing to merge: '%.*s'"), arg_len, arg); | |
4c68e7dd JS |
3243 | goto leave_merge; |
3244 | } | |
3245 | ||
9c85a1c2 | 3246 | if (opts->have_squash_onto && |
4a7e27e9 | 3247 | oideq(&head_commit->object.oid, &opts->squash_onto)) { |
9c85a1c2 JS |
3248 | /* |
3249 | * When the user tells us to "merge" something into a | |
3250 | * "[new root]", let's simply fast-forward to the merge head. | |
3251 | */ | |
3252 | rollback_lock_file(&lock); | |
2b6ad0f4 JS |
3253 | if (to_merge->next) |
3254 | ret = error(_("octopus merge cannot be executed on " | |
3255 | "top of a [new root]")); | |
3256 | else | |
f11c9580 | 3257 | ret = fast_forward_to(r, &to_merge->item->object.oid, |
2b6ad0f4 JS |
3258 | &head_commit->object.oid, 0, |
3259 | opts); | |
9c85a1c2 JS |
3260 | goto leave_merge; |
3261 | } | |
3262 | ||
4c68e7dd JS |
3263 | if (commit) { |
3264 | const char *message = get_commit_buffer(commit, NULL); | |
3265 | const char *body; | |
3266 | int len; | |
3267 | ||
3268 | if (!message) { | |
3269 | ret = error(_("could not get commit message of '%s'"), | |
3270 | oid_to_hex(&commit->object.oid)); | |
3271 | goto leave_merge; | |
3272 | } | |
3273 | write_author_script(message); | |
3274 | find_commit_subject(message, &body); | |
3275 | len = strlen(body); | |
f11c9580 | 3276 | ret = write_message(body, len, git_path_merge_msg(r), 0); |
4c68e7dd JS |
3277 | unuse_commit_buffer(commit, message); |
3278 | if (ret) { | |
3279 | error_errno(_("could not write '%s'"), | |
f11c9580 | 3280 | git_path_merge_msg(r)); |
4c68e7dd JS |
3281 | goto leave_merge; |
3282 | } | |
3283 | } else { | |
3284 | struct strbuf buf = STRBUF_INIT; | |
3285 | int len; | |
3286 | ||
3287 | strbuf_addf(&buf, "author %s", git_author_info(0)); | |
3288 | write_author_script(buf.buf); | |
3289 | strbuf_reset(&buf); | |
3290 | ||
3291 | if (oneline_offset < arg_len) { | |
3292 | p = arg + oneline_offset; | |
3293 | len = arg_len - oneline_offset; | |
3294 | } else { | |
2b6ad0f4 JS |
3295 | strbuf_addf(&buf, "Merge %s '%.*s'", |
3296 | to_merge->next ? "branches" : "branch", | |
4c68e7dd JS |
3297 | merge_arg_len, arg); |
3298 | p = buf.buf; | |
3299 | len = buf.len; | |
3300 | } | |
3301 | ||
f11c9580 | 3302 | ret = write_message(p, len, git_path_merge_msg(r), 0); |
4c68e7dd JS |
3303 | strbuf_release(&buf); |
3304 | if (ret) { | |
3305 | error_errno(_("could not write '%s'"), | |
f11c9580 | 3306 | git_path_merge_msg(r)); |
4c68e7dd JS |
3307 | goto leave_merge; |
3308 | } | |
3309 | } | |
3310 | ||
d1e8b011 JS |
3311 | /* |
3312 | * If HEAD is not identical to the first parent of the original merge | |
3313 | * commit, we cannot fast-forward. | |
3314 | */ | |
3315 | can_fast_forward = opts->allow_ff && commit && commit->parents && | |
4a7e27e9 JK |
3316 | oideq(&commit->parents->item->object.oid, |
3317 | &head_commit->object.oid); | |
d1e8b011 JS |
3318 | |
3319 | /* | |
2b6ad0f4 | 3320 | * If any merge head is different from the original one, we cannot |
d1e8b011 JS |
3321 | * fast-forward. |
3322 | */ | |
3323 | if (can_fast_forward) { | |
2b6ad0f4 | 3324 | struct commit_list *p = commit->parents->next; |
d1e8b011 | 3325 | |
2b6ad0f4 | 3326 | for (j = to_merge; j && p; j = j->next, p = p->next) |
9001dc2a | 3327 | if (!oideq(&j->item->object.oid, |
2b6ad0f4 JS |
3328 | &p->item->object.oid)) { |
3329 | can_fast_forward = 0; | |
3330 | break; | |
3331 | } | |
3332 | /* | |
3333 | * If the number of merge heads differs from the original merge | |
3334 | * commit, we cannot fast-forward. | |
3335 | */ | |
3336 | if (j || p) | |
d1e8b011 JS |
3337 | can_fast_forward = 0; |
3338 | } | |
3339 | ||
2b6ad0f4 | 3340 | if (can_fast_forward) { |
d1e8b011 | 3341 | rollback_lock_file(&lock); |
f11c9580 | 3342 | ret = fast_forward_to(r, &commit->object.oid, |
d1e8b011 JS |
3343 | &head_commit->object.oid, 0, opts); |
3344 | goto leave_merge; | |
3345 | } | |
3346 | ||
2b6ad0f4 JS |
3347 | if (to_merge->next) { |
3348 | /* Octopus merge */ | |
3349 | struct child_process cmd = CHILD_PROCESS_INIT; | |
3350 | ||
3351 | if (read_env_script(&cmd.env_array)) { | |
3352 | const char *gpg_opt = gpg_sign_opt_quoted(opts); | |
3353 | ||
3354 | ret = error(_(staged_changes_advice), gpg_opt, gpg_opt); | |
3355 | goto leave_merge; | |
3356 | } | |
3357 | ||
3358 | cmd.git_cmd = 1; | |
3359 | argv_array_push(&cmd.args, "merge"); | |
3360 | argv_array_push(&cmd.args, "-s"); | |
3361 | argv_array_push(&cmd.args, "octopus"); | |
3362 | argv_array_push(&cmd.args, "--no-edit"); | |
3363 | argv_array_push(&cmd.args, "--no-ff"); | |
3364 | argv_array_push(&cmd.args, "--no-log"); | |
3365 | argv_array_push(&cmd.args, "--no-stat"); | |
3366 | argv_array_push(&cmd.args, "-F"); | |
f11c9580 | 3367 | argv_array_push(&cmd.args, git_path_merge_msg(r)); |
2b6ad0f4 JS |
3368 | if (opts->gpg_sign) |
3369 | argv_array_push(&cmd.args, opts->gpg_sign); | |
3370 | ||
3371 | /* Add the tips to be merged */ | |
3372 | for (j = to_merge; j; j = j->next) | |
3373 | argv_array_push(&cmd.args, | |
3374 | oid_to_hex(&j->item->object.oid)); | |
3375 | ||
3376 | strbuf_release(&ref_name); | |
f11c9580 | 3377 | unlink(git_path_cherry_pick_head(r)); |
2b6ad0f4 JS |
3378 | rollback_lock_file(&lock); |
3379 | ||
3380 | rollback_lock_file(&lock); | |
3381 | ret = run_command(&cmd); | |
3382 | ||
3383 | /* force re-reading of the cache */ | |
f11c9580 | 3384 | if (!ret && (discard_index(r->index) < 0 || |
e1ff0a32 | 3385 | repo_read_index(r) < 0)) |
2b6ad0f4 JS |
3386 | ret = error(_("could not read index")); |
3387 | goto leave_merge; | |
3388 | } | |
3389 | ||
3390 | merge_commit = to_merge->item; | |
4c68e7dd | 3391 | bases = get_merge_bases(head_commit, merge_commit); |
4a7e27e9 JK |
3392 | if (bases && oideq(&merge_commit->object.oid, |
3393 | &bases->item->object.oid)) { | |
7ccdf65b JS |
3394 | ret = 0; |
3395 | /* skip merging an ancestor of HEAD */ | |
3396 | goto leave_merge; | |
3397 | } | |
3398 | ||
85f8d9da | 3399 | write_message(oid_to_hex(&merge_commit->object.oid), GIT_SHA1_HEXSZ, |
cde55548 JH |
3400 | git_path_merge_head(r), 0); |
3401 | write_message("no-ff", 5, git_path_merge_mode(r), 0); | |
85f8d9da | 3402 | |
4c68e7dd JS |
3403 | for (j = bases; j; j = j->next) |
3404 | commit_list_insert(j->item, &reversed); | |
3405 | free_commit_list(bases); | |
3406 | ||
e1ff0a32 | 3407 | repo_read_index(r); |
0d6caa2d | 3408 | init_merge_options(&o, r); |
4c68e7dd JS |
3409 | o.branch1 = "HEAD"; |
3410 | o.branch2 = ref_name.buf; | |
3411 | o.buffer_output = 2; | |
3412 | ||
3413 | ret = merge_recursive(&o, head_commit, merge_commit, reversed, &i); | |
3414 | if (ret <= 0) | |
3415 | fputs(o.obuf.buf, stdout); | |
3416 | strbuf_release(&o.obuf); | |
3417 | if (ret < 0) { | |
3418 | error(_("could not even attempt to merge '%.*s'"), | |
3419 | merge_arg_len, arg); | |
3420 | goto leave_merge; | |
3421 | } | |
3422 | /* | |
3423 | * The return value of merge_recursive() is 1 on clean, and 0 on | |
3424 | * unclean merge. | |
3425 | * | |
3426 | * Let's reverse that, so that do_merge() returns 0 upon success and | |
3427 | * 1 upon failed merge (keeping the return value -1 for the cases where | |
3428 | * we will want to reschedule the `merge` command). | |
3429 | */ | |
3430 | ret = !ret; | |
3431 | ||
f11c9580 NTND |
3432 | if (r->index->cache_changed && |
3433 | write_locked_index(r->index, &lock, COMMIT_LOCK)) { | |
4c68e7dd JS |
3434 | ret = error(_("merge: Unable to write new index file")); |
3435 | goto leave_merge; | |
3436 | } | |
3437 | ||
3438 | rollback_lock_file(&lock); | |
3439 | if (ret) | |
f11c9580 | 3440 | repo_rerere(r, opts->allow_rerere_auto); |
4c68e7dd JS |
3441 | else |
3442 | /* | |
3443 | * In case of problems, we now want to return a positive | |
3444 | * value (a negative one would indicate that the `merge` | |
3445 | * command needs to be rescheduled). | |
3446 | */ | |
f11c9580 NTND |
3447 | ret = !!run_git_commit(r, git_path_merge_msg(r), opts, |
3448 | run_commit_flags); | |
4c68e7dd JS |
3449 | |
3450 | leave_merge: | |
3451 | strbuf_release(&ref_name); | |
3452 | rollback_lock_file(&lock); | |
2b6ad0f4 | 3453 | free_commit_list(to_merge); |
4c68e7dd JS |
3454 | return ret; |
3455 | } | |
3456 | ||
6e98de72 JS |
3457 | static int is_final_fixup(struct todo_list *todo_list) |
3458 | { | |
3459 | int i = todo_list->current; | |
3460 | ||
3461 | if (!is_fixup(todo_list->items[i].command)) | |
3462 | return 0; | |
3463 | ||
3464 | while (++i < todo_list->nr) | |
3465 | if (is_fixup(todo_list->items[i].command)) | |
3466 | return 0; | |
3467 | else if (!is_noop(todo_list->items[i].command)) | |
3468 | break; | |
3469 | return 1; | |
3470 | } | |
3471 | ||
25cb8df9 JS |
3472 | static enum todo_command peek_command(struct todo_list *todo_list, int offset) |
3473 | { | |
3474 | int i; | |
3475 | ||
3476 | for (i = todo_list->current + offset; i < todo_list->nr; i++) | |
3477 | if (!is_noop(todo_list->items[i].command)) | |
3478 | return todo_list->items[i].command; | |
3479 | ||
3480 | return -1; | |
3481 | } | |
3482 | ||
796c7972 JS |
3483 | static int apply_autostash(struct replay_opts *opts) |
3484 | { | |
3485 | struct strbuf stash_sha1 = STRBUF_INIT; | |
3486 | struct child_process child = CHILD_PROCESS_INIT; | |
3487 | int ret = 0; | |
3488 | ||
3489 | if (!read_oneliner(&stash_sha1, rebase_path_autostash(), 1)) { | |
3490 | strbuf_release(&stash_sha1); | |
3491 | return 0; | |
3492 | } | |
3493 | strbuf_trim(&stash_sha1); | |
3494 | ||
3495 | child.git_cmd = 1; | |
79a62269 PW |
3496 | child.no_stdout = 1; |
3497 | child.no_stderr = 1; | |
796c7972 JS |
3498 | argv_array_push(&child.args, "stash"); |
3499 | argv_array_push(&child.args, "apply"); | |
3500 | argv_array_push(&child.args, stash_sha1.buf); | |
3501 | if (!run_command(&child)) | |
cdb866b3 | 3502 | fprintf(stderr, _("Applied autostash.\n")); |
796c7972 JS |
3503 | else { |
3504 | struct child_process store = CHILD_PROCESS_INIT; | |
3505 | ||
3506 | store.git_cmd = 1; | |
3507 | argv_array_push(&store.args, "stash"); | |
3508 | argv_array_push(&store.args, "store"); | |
3509 | argv_array_push(&store.args, "-m"); | |
3510 | argv_array_push(&store.args, "autostash"); | |
3511 | argv_array_push(&store.args, "-q"); | |
3512 | argv_array_push(&store.args, stash_sha1.buf); | |
3513 | if (run_command(&store)) | |
3514 | ret = error(_("cannot store %s"), stash_sha1.buf); | |
3515 | else | |
cdb866b3 JS |
3516 | fprintf(stderr, |
3517 | _("Applying autostash resulted in conflicts.\n" | |
3518 | "Your changes are safe in the stash.\n" | |
3519 | "You can run \"git stash pop\" or" | |
3520 | " \"git stash drop\" at any time.\n")); | |
796c7972 JS |
3521 | } |
3522 | ||
3523 | strbuf_release(&stash_sha1); | |
3524 | return ret; | |
3525 | } | |
3526 | ||
96e832a5 JS |
3527 | static const char *reflog_message(struct replay_opts *opts, |
3528 | const char *sub_action, const char *fmt, ...) | |
3529 | { | |
3530 | va_list ap; | |
3531 | static struct strbuf buf = STRBUF_INIT; | |
3532 | ||
3533 | va_start(ap, fmt); | |
3534 | strbuf_reset(&buf); | |
3535 | strbuf_addstr(&buf, action_name(opts)); | |
3536 | if (sub_action) | |
3537 | strbuf_addf(&buf, " (%s)", sub_action); | |
3538 | if (fmt) { | |
3539 | strbuf_addstr(&buf, ": "); | |
3540 | strbuf_vaddf(&buf, fmt, ap); | |
3541 | } | |
3542 | va_end(ap); | |
3543 | ||
3544 | return buf.buf; | |
3545 | } | |
3546 | ||
fc4a6735 PW |
3547 | static int run_git_checkout(struct repository *r, struct replay_opts *opts, |
3548 | const char *commit, const char *action) | |
2c58483a AG |
3549 | { |
3550 | struct child_process cmd = CHILD_PROCESS_INIT; | |
fc4a6735 | 3551 | int ret; |
2c58483a AG |
3552 | |
3553 | cmd.git_cmd = 1; | |
3554 | ||
3555 | argv_array_push(&cmd.args, "checkout"); | |
3556 | argv_array_push(&cmd.args, commit); | |
3557 | argv_array_pushf(&cmd.env_array, GIT_REFLOG_ACTION "=%s", action); | |
3558 | ||
3559 | if (opts->verbose) | |
fc4a6735 | 3560 | ret = run_command(&cmd); |
2c58483a | 3561 | else |
fc4a6735 PW |
3562 | ret = run_command_silent_on_success(&cmd); |
3563 | ||
3564 | if (!ret) | |
3565 | discard_index(r->index); | |
3566 | ||
3567 | return ret; | |
2c58483a AG |
3568 | } |
3569 | ||
fc4a6735 PW |
3570 | int prepare_branch_to_be_rebased(struct repository *r, struct replay_opts *opts, |
3571 | const char *commit) | |
2c58483a AG |
3572 | { |
3573 | const char *action; | |
3574 | ||
3575 | if (commit && *commit) { | |
3576 | action = reflog_message(opts, "start", "checkout %s", commit); | |
fc4a6735 | 3577 | if (run_git_checkout(r, opts, commit, action)) |
2c58483a AG |
3578 | return error(_("could not checkout %s"), commit); |
3579 | } | |
3580 | ||
3581 | return 0; | |
3582 | } | |
3583 | ||
fc4a6735 | 3584 | static int checkout_onto(struct repository *r, struct replay_opts *opts, |
7d3488eb | 3585 | const char *onto_name, const struct object_id *onto, |
91f0d95d | 3586 | const char *orig_head) |
4df66c40 AG |
3587 | { |
3588 | struct object_id oid; | |
3589 | const char *action = reflog_message(opts, "start", "checkout %s", onto_name); | |
3590 | ||
3591 | if (get_oid(orig_head, &oid)) | |
3592 | return error(_("%s: not a valid OID"), orig_head); | |
3593 | ||
7d3488eb | 3594 | if (run_git_checkout(r, opts, oid_to_hex(onto), action)) { |
4df66c40 AG |
3595 | apply_autostash(opts); |
3596 | sequencer_remove_state(opts); | |
3597 | return error(_("could not detach HEAD")); | |
3598 | } | |
3599 | ||
3600 | return update_ref(NULL, "ORIG_HEAD", &oid, NULL, 0, UPDATE_REFS_MSG_ON_ERR); | |
3601 | } | |
3602 | ||
005af339 | 3603 | static int stopped_at_head(struct repository *r) |
71f82465 JS |
3604 | { |
3605 | struct object_id head; | |
3606 | struct commit *commit; | |
3607 | struct commit_message message; | |
3608 | ||
789b1f70 | 3609 | if (get_oid("HEAD", &head) || |
005af339 | 3610 | !(commit = lookup_commit(r, &head)) || |
71f82465 JS |
3611 | parse_commit(commit) || get_message(commit, &message)) |
3612 | fprintf(stderr, _("Stopped at HEAD\n")); | |
3613 | else { | |
3614 | fprintf(stderr, _("Stopped at %s\n"), message.label); | |
3615 | free_message(commit, &message); | |
3616 | } | |
3617 | return 0; | |
3618 | ||
3619 | } | |
3620 | ||
cb5206ea JS |
3621 | static const char rescheduled_advice[] = |
3622 | N_("Could not execute the todo command\n" | |
3623 | "\n" | |
3624 | " %.*s" | |
3625 | "\n" | |
3626 | "It has been rescheduled; To edit the command before continuing, please\n" | |
3627 | "edit the todo list first:\n" | |
3628 | "\n" | |
3629 | " git rebase --edit-todo\n" | |
3630 | " git rebase --continue\n"); | |
3631 | ||
f11c9580 NTND |
3632 | static int pick_commits(struct repository *r, |
3633 | struct todo_list *todo_list, | |
3634 | struct replay_opts *opts) | |
043a4492 | 3635 | { |
9055e401 | 3636 | int res = 0, reschedule = 0; |
043a4492 RR |
3637 | |
3638 | setenv(GIT_REFLOG_ACTION, action_name(opts), 0); | |
3639 | if (opts->allow_ff) | |
3640 | assert(!(opts->signoff || opts->no_commit || | |
3641 | opts->record_origin || opts->edit)); | |
f11c9580 | 3642 | if (read_and_refresh_cache(r, opts)) |
0d9c6dc9 | 3643 | return -1; |
043a4492 | 3644 | |
004fefa7 JS |
3645 | while (todo_list->current < todo_list->nr) { |
3646 | struct todo_item *item = todo_list->items + todo_list->current; | |
6ad656db | 3647 | const char *arg = todo_item_get_arg(todo_list, item); |
a47ba3c7 | 3648 | int check_todo = 0; |
6ad656db | 3649 | |
004fefa7 | 3650 | if (save_todo(todo_list, opts)) |
221675de | 3651 | return -1; |
6e98de72 | 3652 | if (is_rebase_i(opts)) { |
ef80069a JS |
3653 | if (item->command != TODO_COMMENT) { |
3654 | FILE *f = fopen(rebase_path_msgnum(), "w"); | |
3655 | ||
3656 | todo_list->done_nr++; | |
3657 | ||
3658 | if (f) { | |
3659 | fprintf(f, "%d\n", todo_list->done_nr); | |
3660 | fclose(f); | |
3661 | } | |
899b49c4 EN |
3662 | if (!opts->quiet) |
3663 | fprintf(stderr, "Rebasing (%d/%d)%s", | |
3664 | todo_list->done_nr, | |
3665 | todo_list->total_nr, | |
3666 | opts->verbose ? "\n" : "\r"); | |
ef80069a | 3667 | } |
6e98de72 JS |
3668 | unlink(rebase_path_message()); |
3669 | unlink(rebase_path_author_script()); | |
3670 | unlink(rebase_path_stopped_sha()); | |
3671 | unlink(rebase_path_amend()); | |
69c92209 | 3672 | unlink(git_path_merge_head(the_repository)); |
fbd7a232 | 3673 | delete_ref(NULL, "REBASE_HEAD", NULL, REF_NO_DEREF); |
71f82465 | 3674 | |
d7d90885 SG |
3675 | if (item->command == TODO_BREAK) { |
3676 | if (!opts->verbose) | |
3677 | term_clear_line(); | |
005af339 | 3678 | return stopped_at_head(r); |
d7d90885 | 3679 | } |
6e98de72 JS |
3680 | } |
3681 | if (item->command <= TODO_SQUASH) { | |
8ab37ef2 JS |
3682 | if (is_rebase_i(opts)) |
3683 | setenv("GIT_REFLOG_ACTION", reflog_message(opts, | |
3684 | command_to_string(item->command), NULL), | |
3685 | 1); | |
f11c9580 | 3686 | res = do_pick_commit(r, item->command, item->commit, |
a47ba3c7 PW |
3687 | opts, is_final_fixup(todo_list), |
3688 | &check_todo); | |
9d7bf3cf JS |
3689 | if (is_rebase_i(opts) && res < 0) { |
3690 | /* Reschedule */ | |
cb5206ea JS |
3691 | advise(_(rescheduled_advice), |
3692 | get_item_line_length(todo_list, | |
3693 | todo_list->current), | |
3694 | get_item_line(todo_list, | |
3695 | todo_list->current)); | |
9d7bf3cf JS |
3696 | todo_list->current--; |
3697 | if (save_todo(todo_list, opts)) | |
3698 | return -1; | |
3699 | } | |
56dc3ab0 JS |
3700 | if (item->command == TODO_EDIT) { |
3701 | struct commit *commit = item->commit; | |
d7d90885 SG |
3702 | if (!res) { |
3703 | if (!opts->verbose) | |
3704 | term_clear_line(); | |
99429213 | 3705 | fprintf(stderr, |
a42e1b41 | 3706 | _("Stopped at %s... %.*s\n"), |
56dc3ab0 | 3707 | short_commit_name(commit), |
6ad656db | 3708 | item->arg_len, arg); |
d7d90885 | 3709 | } |
f11c9580 | 3710 | return error_with_patch(r, commit, |
6ad656db | 3711 | arg, item->arg_len, opts, res, !res); |
56dc3ab0 | 3712 | } |
25cb8df9 JS |
3713 | if (is_rebase_i(opts) && !res) |
3714 | record_in_rewritten(&item->commit->object.oid, | |
3715 | peek_command(todo_list, 1)); | |
6e98de72 JS |
3716 | if (res && is_fixup(item->command)) { |
3717 | if (res == 1) | |
3718 | intend_to_amend(); | |
f11c9580 | 3719 | return error_failed_squash(r, item->commit, opts, |
6ad656db | 3720 | item->arg_len, arg); |
a9279c67 PW |
3721 | } else if (res && is_rebase_i(opts) && item->commit) { |
3722 | int to_amend = 0; | |
3723 | struct object_id oid; | |
3724 | ||
3725 | /* | |
3726 | * If we are rewording and have either | |
3727 | * fast-forwarded already, or are about to | |
3728 | * create a new root commit, we want to amend, | |
3729 | * otherwise we do not. | |
3730 | */ | |
3731 | if (item->command == TODO_REWORD && | |
3732 | !get_oid("HEAD", &oid) && | |
4a7e27e9 | 3733 | (oideq(&item->commit->object.oid, &oid) || |
a9279c67 | 3734 | (opts->have_squash_onto && |
4a7e27e9 | 3735 | oideq(&opts->squash_onto, &oid)))) |
a9279c67 PW |
3736 | to_amend = 1; |
3737 | ||
f11c9580 | 3738 | return res | error_with_patch(r, item->commit, |
6ad656db | 3739 | arg, item->arg_len, opts, |
a9279c67 PW |
3740 | res, to_amend); |
3741 | } | |
311af526 | 3742 | } else if (item->command == TODO_EXEC) { |
6ad656db | 3743 | char *end_of_arg = (char *)(arg + item->arg_len); |
311af526 JS |
3744 | int saved = *end_of_arg; |
3745 | ||
d7d90885 SG |
3746 | if (!opts->verbose) |
3747 | term_clear_line(); | |
311af526 | 3748 | *end_of_arg = '\0'; |
6ad656db | 3749 | res = do_exec(r, arg); |
311af526 | 3750 | *end_of_arg = saved; |
54fd3243 | 3751 | |
d421afa0 JS |
3752 | if (res) { |
3753 | if (opts->reschedule_failed_exec) | |
3754 | reschedule = 1; | |
54fd3243 | 3755 | } |
a47ba3c7 | 3756 | check_todo = 1; |
9055e401 | 3757 | } else if (item->command == TODO_LABEL) { |
6ad656db | 3758 | if ((res = do_label(r, arg, item->arg_len))) |
9055e401 JS |
3759 | reschedule = 1; |
3760 | } else if (item->command == TODO_RESET) { | |
6ad656db | 3761 | if ((res = do_reset(r, arg, item->arg_len, opts))) |
9055e401 | 3762 | reschedule = 1; |
4c68e7dd | 3763 | } else if (item->command == TODO_MERGE) { |
f11c9580 | 3764 | if ((res = do_merge(r, item->commit, |
6ad656db | 3765 | arg, item->arg_len, |
4c68e7dd JS |
3766 | item->flags, opts)) < 0) |
3767 | reschedule = 1; | |
537e7d61 JS |
3768 | else if (item->commit) |
3769 | record_in_rewritten(&item->commit->object.oid, | |
3770 | peek_command(todo_list, 1)); | |
3771 | if (res > 0) | |
4c68e7dd | 3772 | /* failed with merge conflicts */ |
f11c9580 | 3773 | return error_with_patch(r, item->commit, |
6ad656db AG |
3774 | arg, item->arg_len, |
3775 | opts, res, 0); | |
56dc3ab0 | 3776 | } else if (!is_noop(item->command)) |
25c43667 JS |
3777 | return error(_("unknown command %d"), item->command); |
3778 | ||
9055e401 JS |
3779 | if (reschedule) { |
3780 | advise(_(rescheduled_advice), | |
3781 | get_item_line_length(todo_list, | |
3782 | todo_list->current), | |
3783 | get_item_line(todo_list, todo_list->current)); | |
3784 | todo_list->current--; | |
3785 | if (save_todo(todo_list, opts)) | |
3786 | return -1; | |
4c68e7dd | 3787 | if (item->commit) |
f11c9580 NTND |
3788 | return error_with_patch(r, |
3789 | item->commit, | |
6ad656db AG |
3790 | arg, item->arg_len, |
3791 | opts, res, 0); | |
a47ba3c7 PW |
3792 | } else if (check_todo && !res) { |
3793 | struct stat st; | |
3794 | ||
3795 | if (stat(get_todo_path(opts), &st)) { | |
3796 | res = error_errno(_("could not stat '%s'"), | |
3797 | get_todo_path(opts)); | |
3798 | } else if (match_stat_data(&todo_list->stat, &st)) { | |
3799 | /* Reread the todo file if it has changed. */ | |
3800 | todo_list_release(todo_list); | |
3801 | if (read_populate_todo(r, todo_list, opts)) | |
3802 | res = -1; /* message was printed */ | |
3803 | /* `current` will be incremented below */ | |
3804 | todo_list->current = -1; | |
3805 | } | |
9055e401 JS |
3806 | } |
3807 | ||
004fefa7 | 3808 | todo_list->current++; |
043a4492 RR |
3809 | if (res) |
3810 | return res; | |
3811 | } | |
3812 | ||
56dc3ab0 | 3813 | if (is_rebase_i(opts)) { |
4b83ce9f | 3814 | struct strbuf head_ref = STRBUF_INIT, buf = STRBUF_INIT; |
25cb8df9 | 3815 | struct stat st; |
556907f1 | 3816 | |
56dc3ab0 JS |
3817 | /* Stopped in the middle, as planned? */ |
3818 | if (todo_list->current < todo_list->nr) | |
3819 | return 0; | |
556907f1 | 3820 | |
4b83ce9f JS |
3821 | if (read_oneliner(&head_ref, rebase_path_head_name(), 0) && |
3822 | starts_with(head_ref.buf, "refs/")) { | |
96e832a5 | 3823 | const char *msg; |
092bbcdf | 3824 | struct object_id head, orig; |
4b83ce9f JS |
3825 | int res; |
3826 | ||
092bbcdf | 3827 | if (get_oid("HEAD", &head)) { |
4b83ce9f JS |
3828 | res = error(_("cannot read HEAD")); |
3829 | cleanup_head_ref: | |
3830 | strbuf_release(&head_ref); | |
3831 | strbuf_release(&buf); | |
3832 | return res; | |
3833 | } | |
3834 | if (!read_oneliner(&buf, rebase_path_orig_head(), 0) || | |
092bbcdf | 3835 | get_oid_hex(buf.buf, &orig)) { |
4b83ce9f JS |
3836 | res = error(_("could not read orig-head")); |
3837 | goto cleanup_head_ref; | |
3838 | } | |
4ab867b8 | 3839 | strbuf_reset(&buf); |
4b83ce9f JS |
3840 | if (!read_oneliner(&buf, rebase_path_onto(), 0)) { |
3841 | res = error(_("could not read 'onto'")); | |
3842 | goto cleanup_head_ref; | |
3843 | } | |
96e832a5 JS |
3844 | msg = reflog_message(opts, "finish", "%s onto %s", |
3845 | head_ref.buf, buf.buf); | |
ae077771 | 3846 | if (update_ref(msg, head_ref.buf, &head, &orig, |
91774afc | 3847 | REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) { |
4b83ce9f JS |
3848 | res = error(_("could not update %s"), |
3849 | head_ref.buf); | |
3850 | goto cleanup_head_ref; | |
3851 | } | |
96e832a5 | 3852 | msg = reflog_message(opts, "finish", "returning to %s", |
4b83ce9f | 3853 | head_ref.buf); |
96e832a5 | 3854 | if (create_symref("HEAD", head_ref.buf, msg)) { |
4b83ce9f JS |
3855 | res = error(_("could not update HEAD to %s"), |
3856 | head_ref.buf); | |
3857 | goto cleanup_head_ref; | |
3858 | } | |
3859 | strbuf_reset(&buf); | |
3860 | } | |
3861 | ||
556907f1 JS |
3862 | if (opts->verbose) { |
3863 | struct rev_info log_tree_opt; | |
3864 | struct object_id orig, head; | |
3865 | ||
3866 | memset(&log_tree_opt, 0, sizeof(log_tree_opt)); | |
f11c9580 | 3867 | repo_init_revisions(r, &log_tree_opt, NULL); |
556907f1 JS |
3868 | log_tree_opt.diff = 1; |
3869 | log_tree_opt.diffopt.output_format = | |
3870 | DIFF_FORMAT_DIFFSTAT; | |
3871 | log_tree_opt.disable_stdin = 1; | |
3872 | ||
3873 | if (read_oneliner(&buf, rebase_path_orig_head(), 0) && | |
e82caf38 | 3874 | !get_oid(buf.buf, &orig) && |
3875 | !get_oid("HEAD", &head)) { | |
66f414f8 BW |
3876 | diff_tree_oid(&orig, &head, "", |
3877 | &log_tree_opt.diffopt); | |
556907f1 JS |
3878 | log_tree_diff_flush(&log_tree_opt); |
3879 | } | |
3880 | } | |
25cb8df9 JS |
3881 | flush_rewritten_pending(); |
3882 | if (!stat(rebase_path_rewritten_list(), &st) && | |
3883 | st.st_size > 0) { | |
3884 | struct child_process child = CHILD_PROCESS_INIT; | |
79516045 JS |
3885 | const char *post_rewrite_hook = |
3886 | find_hook("post-rewrite"); | |
25cb8df9 JS |
3887 | |
3888 | child.in = open(rebase_path_rewritten_list(), O_RDONLY); | |
3889 | child.git_cmd = 1; | |
3890 | argv_array_push(&child.args, "notes"); | |
3891 | argv_array_push(&child.args, "copy"); | |
3892 | argv_array_push(&child.args, "--for-rewrite=rebase"); | |
3893 | /* we don't care if this copying failed */ | |
3894 | run_command(&child); | |
79516045 JS |
3895 | |
3896 | if (post_rewrite_hook) { | |
3897 | struct child_process hook = CHILD_PROCESS_INIT; | |
3898 | ||
3899 | hook.in = open(rebase_path_rewritten_list(), | |
3900 | O_RDONLY); | |
3901 | hook.stdout_to_stderr = 1; | |
6206286e | 3902 | hook.trace2_hook_name = "post-rewrite"; |
79516045 JS |
3903 | argv_array_push(&hook.args, post_rewrite_hook); |
3904 | argv_array_push(&hook.args, "rebase"); | |
3905 | /* we don't care if this hook failed */ | |
3906 | run_command(&hook); | |
3907 | } | |
25cb8df9 | 3908 | } |
796c7972 | 3909 | apply_autostash(opts); |
25cb8df9 | 3910 | |
d7d90885 SG |
3911 | if (!opts->quiet) { |
3912 | if (!opts->verbose) | |
3913 | term_clear_line(); | |
899b49c4 EN |
3914 | fprintf(stderr, |
3915 | "Successfully rebased and updated %s.\n", | |
3916 | head_ref.buf); | |
d7d90885 | 3917 | } |
5da4966f | 3918 | |
556907f1 | 3919 | strbuf_release(&buf); |
4b83ce9f | 3920 | strbuf_release(&head_ref); |
56dc3ab0 JS |
3921 | } |
3922 | ||
043a4492 RR |
3923 | /* |
3924 | * Sequence of picks finished successfully; cleanup by | |
3925 | * removing the .git/sequencer directory | |
3926 | */ | |
2863584f | 3927 | return sequencer_remove_state(opts); |
043a4492 RR |
3928 | } |
3929 | ||
005af339 | 3930 | static int continue_single_pick(struct repository *r) |
043a4492 RR |
3931 | { |
3932 | const char *argv[] = { "commit", NULL }; | |
3933 | ||
005af339 NTND |
3934 | if (!file_exists(git_path_cherry_pick_head(r)) && |
3935 | !file_exists(git_path_revert_head(r))) | |
043a4492 RR |
3936 | return error(_("no cherry-pick or revert in progress")); |
3937 | return run_command_v_opt(argv, RUN_GIT_CMD); | |
3938 | } | |
3939 | ||
f11c9580 NTND |
3940 | static int commit_staged_changes(struct repository *r, |
3941 | struct replay_opts *opts, | |
15ef6931 | 3942 | struct todo_list *todo_list) |
9d93ccd1 | 3943 | { |
789b3eff | 3944 | unsigned int flags = ALLOW_EMPTY | EDIT_MSG; |
15ef6931 | 3945 | unsigned int final_fixup = 0, is_clean; |
9d93ccd1 | 3946 | |
f11c9580 | 3947 | if (has_unstaged_changes(r, 1)) |
9d93ccd1 | 3948 | return error(_("cannot rebase: You have unstaged changes.")); |
52632209 | 3949 | |
f11c9580 | 3950 | is_clean = !has_uncommitted_changes(r, 0); |
9d93ccd1 JS |
3951 | |
3952 | if (file_exists(rebase_path_amend())) { | |
3953 | struct strbuf rev = STRBUF_INIT; | |
092bbcdf | 3954 | struct object_id head, to_amend; |
9d93ccd1 | 3955 | |
092bbcdf | 3956 | if (get_oid("HEAD", &head)) |
9d93ccd1 JS |
3957 | return error(_("cannot amend non-existing commit")); |
3958 | if (!read_oneliner(&rev, rebase_path_amend(), 0)) | |
3959 | return error(_("invalid file: '%s'"), rebase_path_amend()); | |
092bbcdf | 3960 | if (get_oid_hex(rev.buf, &to_amend)) |
9d93ccd1 JS |
3961 | return error(_("invalid contents: '%s'"), |
3962 | rebase_path_amend()); | |
9001dc2a | 3963 | if (!is_clean && !oideq(&head, &to_amend)) |
9d93ccd1 JS |
3964 | return error(_("\nYou have uncommitted changes in your " |
3965 | "working tree. Please, commit them\n" | |
3966 | "first and then run 'git rebase " | |
3967 | "--continue' again.")); | |
15ef6931 JS |
3968 | /* |
3969 | * When skipping a failed fixup/squash, we need to edit the | |
3970 | * commit message, the current fixup list and count, and if it | |
3971 | * was the last fixup/squash in the chain, we need to clean up | |
3972 | * the commit message and if there was a squash, let the user | |
3973 | * edit it. | |
3974 | */ | |
10d2f354 JS |
3975 | if (!is_clean || !opts->current_fixup_count) |
3976 | ; /* this is not the final fixup */ | |
87ae8a1a | 3977 | else if (!oideq(&head, &to_amend) || |
10d2f354 JS |
3978 | !file_exists(rebase_path_stopped_sha())) { |
3979 | /* was a final fixup or squash done manually? */ | |
3980 | if (!is_fixup(peek_command(todo_list, 0))) { | |
3981 | unlink(rebase_path_fixup_msg()); | |
3982 | unlink(rebase_path_squash_msg()); | |
3983 | unlink(rebase_path_current_fixups()); | |
3984 | strbuf_reset(&opts->current_fixups); | |
3985 | opts->current_fixup_count = 0; | |
3986 | } | |
3987 | } else { | |
3988 | /* we are in a fixup/squash chain */ | |
15ef6931 JS |
3989 | const char *p = opts->current_fixups.buf; |
3990 | int len = opts->current_fixups.len; | |
3991 | ||
3992 | opts->current_fixup_count--; | |
3993 | if (!len) | |
3994 | BUG("Incorrect current_fixups:\n%s", p); | |
3995 | while (len && p[len - 1] != '\n') | |
3996 | len--; | |
3997 | strbuf_setlen(&opts->current_fixups, len); | |
3998 | if (write_message(p, len, rebase_path_current_fixups(), | |
3999 | 0) < 0) | |
4000 | return error(_("could not write file: '%s'"), | |
4001 | rebase_path_current_fixups()); | |
4002 | ||
4003 | /* | |
4004 | * If a fixup/squash in a fixup/squash chain failed, the | |
4005 | * commit message is already correct, no need to commit | |
4006 | * it again. | |
4007 | * | |
4008 | * Only if it is the final command in the fixup/squash | |
4009 | * chain, and only if the chain is longer than a single | |
4010 | * fixup/squash command (which was just skipped), do we | |
4011 | * actually need to re-commit with a cleaned up commit | |
4012 | * message. | |
4013 | */ | |
4014 | if (opts->current_fixup_count > 0 && | |
4015 | !is_fixup(peek_command(todo_list, 0))) { | |
4016 | final_fixup = 1; | |
4017 | /* | |
4018 | * If there was not a single "squash" in the | |
4019 | * chain, we only need to clean up the commit | |
4020 | * message, no need to bother the user with | |
4021 | * opening the commit message in the editor. | |
4022 | */ | |
4023 | if (!starts_with(p, "squash ") && | |
4024 | !strstr(p, "\nsquash ")) | |
4025 | flags = (flags & ~EDIT_MSG) | CLEANUP_MSG; | |
4026 | } else if (is_fixup(peek_command(todo_list, 0))) { | |
4027 | /* | |
4028 | * We need to update the squash message to skip | |
4029 | * the latest commit message. | |
4030 | */ | |
4031 | struct commit *commit; | |
4032 | const char *path = rebase_path_squash_msg(); | |
4033 | ||
005af339 | 4034 | if (parse_head(r, &commit) || |
15ef6931 JS |
4035 | !(p = get_commit_buffer(commit, NULL)) || |
4036 | write_message(p, strlen(p), path, 0)) { | |
4037 | unuse_commit_buffer(commit, p); | |
4038 | return error(_("could not write file: " | |
4039 | "'%s'"), path); | |
4040 | } | |
4041 | unuse_commit_buffer(commit, p); | |
4042 | } | |
4043 | } | |
9d93ccd1 JS |
4044 | |
4045 | strbuf_release(&rev); | |
789b3eff | 4046 | flags |= AMEND_MSG; |
9d93ccd1 JS |
4047 | } |
4048 | ||
15ef6931 | 4049 | if (is_clean) { |
f11c9580 | 4050 | const char *cherry_pick_head = git_path_cherry_pick_head(r); |
15ef6931 JS |
4051 | |
4052 | if (file_exists(cherry_pick_head) && unlink(cherry_pick_head)) | |
4053 | return error(_("could not remove CHERRY_PICK_HEAD")); | |
4054 | if (!final_fixup) | |
4055 | return 0; | |
4056 | } | |
4057 | ||
f11c9580 | 4058 | if (run_git_commit(r, final_fixup ? NULL : rebase_path_message(), |
15ef6931 | 4059 | opts, flags)) |
9d93ccd1 JS |
4060 | return error(_("could not commit staged changes.")); |
4061 | unlink(rebase_path_amend()); | |
69c92209 | 4062 | unlink(git_path_merge_head(the_repository)); |
15ef6931 JS |
4063 | if (final_fixup) { |
4064 | unlink(rebase_path_fixup_msg()); | |
4065 | unlink(rebase_path_squash_msg()); | |
4066 | } | |
4067 | if (opts->current_fixup_count > 0) { | |
4068 | /* | |
4069 | * Whether final fixup or not, we just cleaned up the commit | |
4070 | * message... | |
4071 | */ | |
4072 | unlink(rebase_path_current_fixups()); | |
4073 | strbuf_reset(&opts->current_fixups); | |
4074 | opts->current_fixup_count = 0; | |
4075 | } | |
9d93ccd1 JS |
4076 | return 0; |
4077 | } | |
4078 | ||
f11c9580 | 4079 | int sequencer_continue(struct repository *r, struct replay_opts *opts) |
043a4492 | 4080 | { |
004fefa7 JS |
4081 | struct todo_list todo_list = TODO_LIST_INIT; |
4082 | int res; | |
043a4492 | 4083 | |
f11c9580 | 4084 | if (read_and_refresh_cache(r, opts)) |
2863584f JS |
4085 | return -1; |
4086 | ||
15ef6931 JS |
4087 | if (read_populate_opts(opts)) |
4088 | return -1; | |
9d93ccd1 | 4089 | if (is_rebase_i(opts)) { |
005af339 | 4090 | if ((res = read_populate_todo(r, &todo_list, opts))) |
15ef6931 | 4091 | goto release_todo_list; |
f11c9580 | 4092 | if (commit_staged_changes(r, opts, &todo_list)) |
9d93ccd1 | 4093 | return -1; |
4258a6da | 4094 | } else if (!file_exists(get_todo_path(opts))) |
005af339 NTND |
4095 | return continue_single_pick(r); |
4096 | else if ((res = read_populate_todo(r, &todo_list, opts))) | |
004fefa7 | 4097 | goto release_todo_list; |
043a4492 | 4098 | |
4258a6da JS |
4099 | if (!is_rebase_i(opts)) { |
4100 | /* Verify that the conflict has been resolved */ | |
f11c9580 NTND |
4101 | if (file_exists(git_path_cherry_pick_head(r)) || |
4102 | file_exists(git_path_revert_head(r))) { | |
005af339 | 4103 | res = continue_single_pick(r); |
4258a6da JS |
4104 | if (res) |
4105 | goto release_todo_list; | |
4106 | } | |
ffc00a48 | 4107 | if (index_differs_from(r, "HEAD", NULL, 0)) { |
e1ff0a32 | 4108 | res = error_dirty_index(r, opts); |
004fefa7 | 4109 | goto release_todo_list; |
4258a6da JS |
4110 | } |
4111 | todo_list.current++; | |
ca98c6d4 JS |
4112 | } else if (file_exists(rebase_path_stopped_sha())) { |
4113 | struct strbuf buf = STRBUF_INIT; | |
4114 | struct object_id oid; | |
4115 | ||
4116 | if (read_oneliner(&buf, rebase_path_stopped_sha(), 1) && | |
e82caf38 | 4117 | !get_oid_committish(buf.buf, &oid)) |
ca98c6d4 JS |
4118 | record_in_rewritten(&oid, peek_command(&todo_list, 0)); |
4119 | strbuf_release(&buf); | |
043a4492 | 4120 | } |
4258a6da | 4121 | |
f11c9580 | 4122 | res = pick_commits(r, &todo_list, opts); |
004fefa7 JS |
4123 | release_todo_list: |
4124 | todo_list_release(&todo_list); | |
4125 | return res; | |
043a4492 RR |
4126 | } |
4127 | ||
f11c9580 NTND |
4128 | static int single_pick(struct repository *r, |
4129 | struct commit *cmit, | |
4130 | struct replay_opts *opts) | |
043a4492 | 4131 | { |
a47ba3c7 PW |
4132 | int check_todo; |
4133 | ||
043a4492 | 4134 | setenv(GIT_REFLOG_ACTION, action_name(opts), 0); |
f11c9580 | 4135 | return do_pick_commit(r, opts->action == REPLAY_PICK ? |
a47ba3c7 PW |
4136 | TODO_PICK : TODO_REVERT, cmit, opts, 0, |
4137 | &check_todo); | |
043a4492 RR |
4138 | } |
4139 | ||
f11c9580 NTND |
4140 | int sequencer_pick_revisions(struct repository *r, |
4141 | struct replay_opts *opts) | |
043a4492 | 4142 | { |
004fefa7 | 4143 | struct todo_list todo_list = TODO_LIST_INIT; |
1e43ed98 | 4144 | struct object_id oid; |
004fefa7 | 4145 | int i, res; |
043a4492 | 4146 | |
2863584f | 4147 | assert(opts->revs); |
f11c9580 | 4148 | if (read_and_refresh_cache(r, opts)) |
0d9c6dc9 | 4149 | return -1; |
043a4492 | 4150 | |
21246dbb | 4151 | for (i = 0; i < opts->revs->pending.nr; i++) { |
1e43ed98 | 4152 | struct object_id oid; |
21246dbb MV |
4153 | const char *name = opts->revs->pending.objects[i].name; |
4154 | ||
4155 | /* This happens when using --stdin. */ | |
4156 | if (!strlen(name)) | |
4157 | continue; | |
4158 | ||
1e43ed98 | 4159 | if (!get_oid(name, &oid)) { |
f11c9580 NTND |
4160 | if (!lookup_commit_reference_gently(r, &oid, 1)) { |
4161 | enum object_type type = oid_object_info(r, | |
0df8e965 | 4162 | &oid, |
abef9020 | 4163 | NULL); |
b9b946d4 | 4164 | return error(_("%s: can't cherry-pick a %s"), |
debca9d2 | 4165 | name, type_name(type)); |
7c0b0d8d | 4166 | } |
21246dbb | 4167 | } else |
b9b946d4 | 4168 | return error(_("%s: bad revision"), name); |
21246dbb MV |
4169 | } |
4170 | ||
043a4492 RR |
4171 | /* |
4172 | * If we were called as "git cherry-pick <commit>", just | |
4173 | * cherry-pick/revert it, set CHERRY_PICK_HEAD / | |
4174 | * REVERT_HEAD, and don't touch the sequencer state. | |
4175 | * This means it is possible to cherry-pick in the middle | |
4176 | * of a cherry-pick sequence. | |
4177 | */ | |
4178 | if (opts->revs->cmdline.nr == 1 && | |
4179 | opts->revs->cmdline.rev->whence == REV_CMD_REV && | |
4180 | opts->revs->no_walk && | |
4181 | !opts->revs->cmdline.rev->flags) { | |
4182 | struct commit *cmit; | |
4183 | if (prepare_revision_walk(opts->revs)) | |
b9b946d4 | 4184 | return error(_("revision walk setup failed")); |
043a4492 | 4185 | cmit = get_revision(opts->revs); |
c5e358d0 JK |
4186 | if (!cmit) |
4187 | return error(_("empty commit set passed")); | |
4188 | if (get_revision(opts->revs)) | |
4189 | BUG("unexpected extra commit from walk"); | |
f11c9580 | 4190 | return single_pick(r, cmit, opts); |
043a4492 RR |
4191 | } |
4192 | ||
4193 | /* | |
4194 | * Start a new cherry-pick/ revert sequence; but | |
4195 | * first, make sure that an existing one isn't in | |
4196 | * progress | |
4197 | */ | |
4198 | ||
34b0528b JS |
4199 | if (walk_revs_populate_todo(&todo_list, opts) || |
4200 | create_seq_dir() < 0) | |
043a4492 | 4201 | return -1; |
1e43ed98 | 4202 | if (get_oid("HEAD", &oid) && (opts->action == REPLAY_REVERT)) |
93b3df6f | 4203 | return error(_("can't revert as initial commit")); |
1e43ed98 | 4204 | if (save_head(oid_to_hex(&oid))) |
311fd397 | 4205 | return -1; |
88d5a271 JS |
4206 | if (save_opts(opts)) |
4207 | return -1; | |
1e41229d | 4208 | update_abort_safety_file(); |
f11c9580 | 4209 | res = pick_commits(r, &todo_list, opts); |
004fefa7 JS |
4210 | todo_list_release(&todo_list); |
4211 | return res; | |
043a4492 | 4212 | } |
5ed75e2a | 4213 | |
66e83d9b | 4214 | void append_signoff(struct strbuf *msgbuf, size_t ignore_footer, unsigned flag) |
5ed75e2a | 4215 | { |
bab4d109 | 4216 | unsigned no_dup_sob = flag & APPEND_SIGNOFF_DEDUP; |
5ed75e2a | 4217 | struct strbuf sob = STRBUF_INIT; |
bab4d109 | 4218 | int has_footer; |
5ed75e2a MV |
4219 | |
4220 | strbuf_addstr(&sob, sign_off_header); | |
39ab4d09 | 4221 | strbuf_addstr(&sob, fmt_name(WANT_COMMITTER_IDENT)); |
5ed75e2a | 4222 | strbuf_addch(&sob, '\n'); |
bab4d109 | 4223 | |
44dc738a JT |
4224 | if (!ignore_footer) |
4225 | strbuf_complete_line(msgbuf); | |
4226 | ||
bab4d109 BC |
4227 | /* |
4228 | * If the whole message buffer is equal to the sob, pretend that we | |
4229 | * found a conforming footer with a matching sob | |
4230 | */ | |
4231 | if (msgbuf->len - ignore_footer == sob.len && | |
4232 | !strncmp(msgbuf->buf, sob.buf, sob.len)) | |
4233 | has_footer = 3; | |
4234 | else | |
4235 | has_footer = has_conforming_footer(msgbuf, &sob, ignore_footer); | |
4236 | ||
33f2f9ab BC |
4237 | if (!has_footer) { |
4238 | const char *append_newlines = NULL; | |
4239 | size_t len = msgbuf->len - ignore_footer; | |
4240 | ||
8c613fd5 BC |
4241 | if (!len) { |
4242 | /* | |
4243 | * The buffer is completely empty. Leave foom for | |
4244 | * the title and body to be filled in by the user. | |
4245 | */ | |
33f2f9ab | 4246 | append_newlines = "\n\n"; |
8c613fd5 BC |
4247 | } else if (len == 1) { |
4248 | /* | |
4249 | * Buffer contains a single newline. Add another | |
4250 | * so that we leave room for the title and body. | |
4251 | */ | |
4252 | append_newlines = "\n"; | |
4253 | } else if (msgbuf->buf[len - 2] != '\n') { | |
4254 | /* | |
4255 | * Buffer ends with a single newline. Add another | |
4256 | * so that there is an empty line between the message | |
4257 | * body and the sob. | |
4258 | */ | |
33f2f9ab | 4259 | append_newlines = "\n"; |
8c613fd5 | 4260 | } /* else, the buffer already ends with two newlines. */ |
33f2f9ab BC |
4261 | |
4262 | if (append_newlines) | |
4263 | strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0, | |
4264 | append_newlines, strlen(append_newlines)); | |
5ed75e2a | 4265 | } |
bab4d109 BC |
4266 | |
4267 | if (has_footer != 3 && (!no_dup_sob || has_footer != 2)) | |
4268 | strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0, | |
4269 | sob.buf, sob.len); | |
4270 | ||
5ed75e2a MV |
4271 | strbuf_release(&sob); |
4272 | } | |
62db5247 | 4273 | |
1644c73c JS |
4274 | struct labels_entry { |
4275 | struct hashmap_entry entry; | |
4276 | char label[FLEX_ARRAY]; | |
4277 | }; | |
4278 | ||
4279 | static int labels_cmp(const void *fndata, const struct labels_entry *a, | |
4280 | const struct labels_entry *b, const void *key) | |
4281 | { | |
4282 | return key ? strcmp(a->label, key) : strcmp(a->label, b->label); | |
4283 | } | |
4284 | ||
4285 | struct string_entry { | |
4286 | struct oidmap_entry entry; | |
4287 | char string[FLEX_ARRAY]; | |
4288 | }; | |
4289 | ||
4290 | struct label_state { | |
4291 | struct oidmap commit2label; | |
4292 | struct hashmap labels; | |
4293 | struct strbuf buf; | |
4294 | }; | |
4295 | ||
4296 | static const char *label_oid(struct object_id *oid, const char *label, | |
4297 | struct label_state *state) | |
4298 | { | |
4299 | struct labels_entry *labels_entry; | |
4300 | struct string_entry *string_entry; | |
4301 | struct object_id dummy; | |
4302 | size_t len; | |
4303 | int i; | |
4304 | ||
4305 | string_entry = oidmap_get(&state->commit2label, oid); | |
4306 | if (string_entry) | |
4307 | return string_entry->string; | |
4308 | ||
4309 | /* | |
4310 | * For "uninteresting" commits, i.e. commits that are not to be | |
4311 | * rebased, and which can therefore not be labeled, we use a unique | |
4312 | * abbreviation of the commit name. This is slightly more complicated | |
4313 | * than calling find_unique_abbrev() because we also need to make | |
4314 | * sure that the abbreviation does not conflict with any other | |
4315 | * label. | |
4316 | * | |
4317 | * We disallow "interesting" commits to be labeled by a string that | |
4318 | * is a valid full-length hash, to ensure that we always can find an | |
4319 | * abbreviation for any uninteresting commit's names that does not | |
4320 | * clash with any other label. | |
4321 | */ | |
4322 | if (!label) { | |
4323 | char *p; | |
4324 | ||
4325 | strbuf_reset(&state->buf); | |
4326 | strbuf_grow(&state->buf, GIT_SHA1_HEXSZ); | |
4327 | label = p = state->buf.buf; | |
4328 | ||
4329 | find_unique_abbrev_r(p, oid, default_abbrev); | |
4330 | ||
4331 | /* | |
4332 | * We may need to extend the abbreviated hash so that there is | |
4333 | * no conflicting label. | |
4334 | */ | |
4335 | if (hashmap_get_from_hash(&state->labels, strihash(p), p)) { | |
4336 | size_t i = strlen(p) + 1; | |
4337 | ||
4338 | oid_to_hex_r(p, oid); | |
4339 | for (; i < GIT_SHA1_HEXSZ; i++) { | |
4340 | char save = p[i]; | |
4341 | p[i] = '\0'; | |
4342 | if (!hashmap_get_from_hash(&state->labels, | |
4343 | strihash(p), p)) | |
4344 | break; | |
4345 | p[i] = save; | |
4346 | } | |
4347 | } | |
5971b083 | 4348 | } else if (((len = strlen(label)) == the_hash_algo->hexsz && |
1644c73c JS |
4349 | !get_oid_hex(label, &dummy)) || |
4350 | (len == 1 && *label == '#') || | |
4351 | hashmap_get_from_hash(&state->labels, | |
4352 | strihash(label), label)) { | |
4353 | /* | |
4354 | * If the label already exists, or if the label is a valid full | |
4355 | * OID, or the label is a '#' (which we use as a separator | |
4356 | * between merge heads and oneline), we append a dash and a | |
4357 | * number to make it unique. | |
4358 | */ | |
4359 | struct strbuf *buf = &state->buf; | |
4360 | ||
4361 | strbuf_reset(buf); | |
4362 | strbuf_add(buf, label, len); | |
4363 | ||
4364 | for (i = 2; ; i++) { | |
4365 | strbuf_setlen(buf, len); | |
4366 | strbuf_addf(buf, "-%d", i); | |
4367 | if (!hashmap_get_from_hash(&state->labels, | |
4368 | strihash(buf->buf), | |
4369 | buf->buf)) | |
4370 | break; | |
4371 | } | |
4372 | ||
4373 | label = buf->buf; | |
4374 | } | |
4375 | ||
4376 | FLEX_ALLOC_STR(labels_entry, label, label); | |
4377 | hashmap_entry_init(labels_entry, strihash(label)); | |
4378 | hashmap_add(&state->labels, labels_entry); | |
4379 | ||
4380 | FLEX_ALLOC_STR(string_entry, string, label); | |
4381 | oidcpy(&string_entry->entry.oid, oid); | |
4382 | oidmap_put(&state->commit2label, string_entry); | |
4383 | ||
4384 | return string_entry->string; | |
4385 | } | |
4386 | ||
4387 | static int make_script_with_merges(struct pretty_print_context *pp, | |
d358fc28 | 4388 | struct rev_info *revs, struct strbuf *out, |
1644c73c JS |
4389 | unsigned flags) |
4390 | { | |
4391 | int keep_empty = flags & TODO_LIST_KEEP_EMPTY; | |
7543f6f4 | 4392 | int rebase_cousins = flags & TODO_LIST_REBASE_COUSINS; |
1644c73c JS |
4393 | struct strbuf buf = STRBUF_INIT, oneline = STRBUF_INIT; |
4394 | struct strbuf label = STRBUF_INIT; | |
4395 | struct commit_list *commits = NULL, **tail = &commits, *iter; | |
4396 | struct commit_list *tips = NULL, **tips_tail = &tips; | |
4397 | struct commit *commit; | |
4398 | struct oidmap commit2todo = OIDMAP_INIT; | |
4399 | struct string_entry *entry; | |
4400 | struct oidset interesting = OIDSET_INIT, child_seen = OIDSET_INIT, | |
4401 | shown = OIDSET_INIT; | |
4402 | struct label_state state = { OIDMAP_INIT, { NULL }, STRBUF_INIT }; | |
4403 | ||
4404 | int abbr = flags & TODO_LIST_ABBREVIATE_CMDS; | |
4405 | const char *cmd_pick = abbr ? "p" : "pick", | |
4406 | *cmd_label = abbr ? "l" : "label", | |
4407 | *cmd_reset = abbr ? "t" : "reset", | |
4408 | *cmd_merge = abbr ? "m" : "merge"; | |
4409 | ||
4410 | oidmap_init(&commit2todo, 0); | |
4411 | oidmap_init(&state.commit2label, 0); | |
4412 | hashmap_init(&state.labels, (hashmap_cmp_fn) labels_cmp, NULL, 0); | |
4413 | strbuf_init(&state.buf, 32); | |
4414 | ||
4415 | if (revs->cmdline.nr && (revs->cmdline.rev[0].flags & BOTTOM)) { | |
4416 | struct object_id *oid = &revs->cmdline.rev[0].item->oid; | |
4417 | FLEX_ALLOC_STR(entry, string, "onto"); | |
4418 | oidcpy(&entry->entry.oid, oid); | |
4419 | oidmap_put(&state.commit2label, entry); | |
4420 | } | |
4421 | ||
4422 | /* | |
4423 | * First phase: | |
4424 | * - get onelines for all commits | |
4425 | * - gather all branch tips (i.e. 2nd or later parents of merges) | |
4426 | * - label all branch tips | |
4427 | */ | |
4428 | while ((commit = get_revision(revs))) { | |
4429 | struct commit_list *to_merge; | |
1644c73c JS |
4430 | const char *p1, *p2; |
4431 | struct object_id *oid; | |
4432 | int is_empty; | |
4433 | ||
4434 | tail = &commit_list_insert(commit, tail)->next; | |
4435 | oidset_insert(&interesting, &commit->object.oid); | |
4436 | ||
4437 | is_empty = is_original_commit_empty(commit); | |
4438 | if (!is_empty && (commit->object.flags & PATCHSAME)) | |
4439 | continue; | |
4440 | ||
4441 | strbuf_reset(&oneline); | |
4442 | pretty_print_commit(pp, commit, &oneline); | |
4443 | ||
4444 | to_merge = commit->parents ? commit->parents->next : NULL; | |
4445 | if (!to_merge) { | |
4446 | /* non-merge commit: easy case */ | |
4447 | strbuf_reset(&buf); | |
4448 | if (!keep_empty && is_empty) | |
4449 | strbuf_addf(&buf, "%c ", comment_line_char); | |
4450 | strbuf_addf(&buf, "%s %s %s", cmd_pick, | |
4451 | oid_to_hex(&commit->object.oid), | |
4452 | oneline.buf); | |
4453 | ||
4454 | FLEX_ALLOC_STR(entry, string, buf.buf); | |
4455 | oidcpy(&entry->entry.oid, &commit->object.oid); | |
4456 | oidmap_put(&commit2todo, entry); | |
4457 | ||
4458 | continue; | |
4459 | } | |
4460 | ||
1644c73c JS |
4461 | /* Create a label */ |
4462 | strbuf_reset(&label); | |
4463 | if (skip_prefix(oneline.buf, "Merge ", &p1) && | |
4464 | (p1 = strchr(p1, '\'')) && | |
4465 | (p2 = strchr(++p1, '\''))) | |
4466 | strbuf_add(&label, p1, p2 - p1); | |
4467 | else if (skip_prefix(oneline.buf, "Merge pull request ", | |
4468 | &p1) && | |
4469 | (p1 = strstr(p1, " from "))) | |
4470 | strbuf_addstr(&label, p1 + strlen(" from ")); | |
4471 | else | |
4472 | strbuf_addbuf(&label, &oneline); | |
4473 | ||
4474 | for (p1 = label.buf; *p1; p1++) | |
4475 | if (isspace(*p1)) | |
4476 | *(char *)p1 = '-'; | |
4477 | ||
4478 | strbuf_reset(&buf); | |
4479 | strbuf_addf(&buf, "%s -C %s", | |
4480 | cmd_merge, oid_to_hex(&commit->object.oid)); | |
4481 | ||
2b6ad0f4 JS |
4482 | /* label the tips of merged branches */ |
4483 | for (; to_merge; to_merge = to_merge->next) { | |
4484 | oid = &to_merge->item->object.oid; | |
4485 | strbuf_addch(&buf, ' '); | |
4486 | ||
4487 | if (!oidset_contains(&interesting, oid)) { | |
4488 | strbuf_addstr(&buf, label_oid(oid, NULL, | |
4489 | &state)); | |
4490 | continue; | |
4491 | } | |
1644c73c | 4492 | |
1644c73c JS |
4493 | tips_tail = &commit_list_insert(to_merge->item, |
4494 | tips_tail)->next; | |
4495 | ||
4496 | strbuf_addstr(&buf, label_oid(oid, label.buf, &state)); | |
4497 | } | |
4498 | strbuf_addf(&buf, " # %s", oneline.buf); | |
4499 | ||
4500 | FLEX_ALLOC_STR(entry, string, buf.buf); | |
4501 | oidcpy(&entry->entry.oid, &commit->object.oid); | |
4502 | oidmap_put(&commit2todo, entry); | |
4503 | } | |
4504 | ||
4505 | /* | |
4506 | * Second phase: | |
4507 | * - label branch points | |
4508 | * - add HEAD to the branch tips | |
4509 | */ | |
4510 | for (iter = commits; iter; iter = iter->next) { | |
4511 | struct commit_list *parent = iter->item->parents; | |
4512 | for (; parent; parent = parent->next) { | |
4513 | struct object_id *oid = &parent->item->object.oid; | |
4514 | if (!oidset_contains(&interesting, oid)) | |
4515 | continue; | |
6e8fc70f | 4516 | if (oidset_insert(&child_seen, oid)) |
1644c73c JS |
4517 | label_oid(oid, "branch-point", &state); |
4518 | } | |
4519 | ||
4520 | /* Add HEAD as implict "tip of branch" */ | |
4521 | if (!iter->next) | |
4522 | tips_tail = &commit_list_insert(iter->item, | |
4523 | tips_tail)->next; | |
4524 | } | |
4525 | ||
4526 | /* | |
4527 | * Third phase: output the todo list. This is a bit tricky, as we | |
4528 | * want to avoid jumping back and forth between revisions. To | |
4529 | * accomplish that goal, we walk backwards from the branch tips, | |
4530 | * gathering commits not yet shown, reversing the list on the fly, | |
4531 | * then outputting that list (labeling revisions as needed). | |
4532 | */ | |
d358fc28 | 4533 | strbuf_addf(out, "%s onto\n", cmd_label); |
1644c73c JS |
4534 | for (iter = tips; iter; iter = iter->next) { |
4535 | struct commit_list *list = NULL, *iter2; | |
4536 | ||
4537 | commit = iter->item; | |
4538 | if (oidset_contains(&shown, &commit->object.oid)) | |
4539 | continue; | |
4540 | entry = oidmap_get(&state.commit2label, &commit->object.oid); | |
4541 | ||
4542 | if (entry) | |
d358fc28 | 4543 | strbuf_addf(out, "\n%c Branch %s\n", comment_line_char, entry->string); |
1644c73c | 4544 | else |
d358fc28 | 4545 | strbuf_addch(out, '\n'); |
1644c73c JS |
4546 | |
4547 | while (oidset_contains(&interesting, &commit->object.oid) && | |
4548 | !oidset_contains(&shown, &commit->object.oid)) { | |
4549 | commit_list_insert(commit, &list); | |
4550 | if (!commit->parents) { | |
4551 | commit = NULL; | |
4552 | break; | |
4553 | } | |
4554 | commit = commit->parents->item; | |
4555 | } | |
4556 | ||
4557 | if (!commit) | |
d358fc28 AG |
4558 | strbuf_addf(out, "%s %s\n", cmd_reset, |
4559 | rebase_cousins ? "onto" : "[new root]"); | |
1644c73c JS |
4560 | else { |
4561 | const char *to = NULL; | |
4562 | ||
4563 | entry = oidmap_get(&state.commit2label, | |
4564 | &commit->object.oid); | |
4565 | if (entry) | |
4566 | to = entry->string; | |
7543f6f4 JS |
4567 | else if (!rebase_cousins) |
4568 | to = label_oid(&commit->object.oid, NULL, | |
4569 | &state); | |
1644c73c JS |
4570 | |
4571 | if (!to || !strcmp(to, "onto")) | |
d358fc28 | 4572 | strbuf_addf(out, "%s onto\n", cmd_reset); |
1644c73c JS |
4573 | else { |
4574 | strbuf_reset(&oneline); | |
4575 | pretty_print_commit(pp, commit, &oneline); | |
d358fc28 AG |
4576 | strbuf_addf(out, "%s %s # %s\n", |
4577 | cmd_reset, to, oneline.buf); | |
1644c73c JS |
4578 | } |
4579 | } | |
4580 | ||
4581 | for (iter2 = list; iter2; iter2 = iter2->next) { | |
4582 | struct object_id *oid = &iter2->item->object.oid; | |
4583 | entry = oidmap_get(&commit2todo, oid); | |
4584 | /* only show if not already upstream */ | |
4585 | if (entry) | |
d358fc28 | 4586 | strbuf_addf(out, "%s\n", entry->string); |
1644c73c JS |
4587 | entry = oidmap_get(&state.commit2label, oid); |
4588 | if (entry) | |
d358fc28 AG |
4589 | strbuf_addf(out, "%s %s\n", |
4590 | cmd_label, entry->string); | |
1644c73c JS |
4591 | oidset_insert(&shown, oid); |
4592 | } | |
4593 | ||
4594 | free_commit_list(list); | |
4595 | } | |
4596 | ||
4597 | free_commit_list(commits); | |
4598 | free_commit_list(tips); | |
4599 | ||
4600 | strbuf_release(&label); | |
4601 | strbuf_release(&oneline); | |
4602 | strbuf_release(&buf); | |
4603 | ||
4604 | oidmap_free(&commit2todo, 1); | |
4605 | oidmap_free(&state.commit2label, 1); | |
4606 | hashmap_free(&state.labels, 1); | |
4607 | strbuf_release(&state.buf); | |
4608 | ||
4609 | return 0; | |
4610 | } | |
4611 | ||
d358fc28 AG |
4612 | int sequencer_make_script(struct repository *r, struct strbuf *out, int argc, |
4613 | const char **argv, unsigned flags) | |
62db5247 JS |
4614 | { |
4615 | char *format = NULL; | |
4616 | struct pretty_print_context pp = {0}; | |
62db5247 JS |
4617 | struct rev_info revs; |
4618 | struct commit *commit; | |
313a48ea | 4619 | int keep_empty = flags & TODO_LIST_KEEP_EMPTY; |
d8ae6c84 | 4620 | const char *insn = flags & TODO_LIST_ABBREVIATE_CMDS ? "p" : "pick"; |
1644c73c | 4621 | int rebase_merges = flags & TODO_LIST_REBASE_MERGES; |
62db5247 | 4622 | |
f11c9580 | 4623 | repo_init_revisions(r, &revs, NULL); |
62db5247 | 4624 | revs.verbose_header = 1; |
1644c73c JS |
4625 | if (!rebase_merges) |
4626 | revs.max_parents = 1; | |
76ea2358 | 4627 | revs.cherry_mark = 1; |
62db5247 JS |
4628 | revs.limited = 1; |
4629 | revs.reverse = 1; | |
4630 | revs.right_only = 1; | |
4631 | revs.sort_order = REV_SORT_IN_GRAPH_ORDER; | |
4632 | revs.topo_order = 1; | |
4633 | ||
4634 | revs.pretty_given = 1; | |
4635 | git_config_get_string("rebase.instructionFormat", &format); | |
4636 | if (!format || !*format) { | |
4637 | free(format); | |
4638 | format = xstrdup("%s"); | |
4639 | } | |
4640 | get_commit_format(format, &revs); | |
4641 | free(format); | |
4642 | pp.fmt = revs.commit_format; | |
4643 | pp.output_encoding = get_log_output_encoding(); | |
4644 | ||
4645 | if (setup_revisions(argc, argv, &revs, NULL) > 1) | |
4646 | return error(_("make_script: unhandled options")); | |
4647 | ||
4648 | if (prepare_revision_walk(&revs) < 0) | |
4649 | return error(_("make_script: error preparing revisions")); | |
4650 | ||
1644c73c JS |
4651 | if (rebase_merges) |
4652 | return make_script_with_merges(&pp, &revs, out, flags); | |
4653 | ||
62db5247 | 4654 | while ((commit = get_revision(&revs))) { |
76ea2358 PW |
4655 | int is_empty = is_original_commit_empty(commit); |
4656 | ||
4657 | if (!is_empty && (commit->object.flags & PATCHSAME)) | |
4658 | continue; | |
76ea2358 | 4659 | if (!keep_empty && is_empty) |
d358fc28 AG |
4660 | strbuf_addf(out, "%c ", comment_line_char); |
4661 | strbuf_addf(out, "%s %s ", insn, | |
d8ae6c84 | 4662 | oid_to_hex(&commit->object.oid)); |
d358fc28 AG |
4663 | pretty_print_commit(&pp, commit, out); |
4664 | strbuf_addch(out, '\n'); | |
62db5247 | 4665 | } |
62db5247 JS |
4666 | return 0; |
4667 | } | |
3546c8d9 | 4668 | |
0cce4a27 LB |
4669 | /* |
4670 | * Add commands after pick and (series of) squash/fixup commands | |
4671 | * in the todo list. | |
4672 | */ | |
1ba204de AG |
4673 | void todo_list_add_exec_commands(struct todo_list *todo_list, |
4674 | struct string_list *commands) | |
3546c8d9 | 4675 | { |
683153a4 AG |
4676 | struct strbuf *buf = &todo_list->buf; |
4677 | size_t base_offset = buf->len; | |
4678 | int i, insert, nr = 0, alloc = 0; | |
4679 | struct todo_item *items = NULL, *base_items = NULL; | |
3546c8d9 | 4680 | |
683153a4 AG |
4681 | base_items = xcalloc(commands->nr, sizeof(struct todo_item)); |
4682 | for (i = 0; i < commands->nr; i++) { | |
4683 | size_t command_len = strlen(commands->items[i].string); | |
3546c8d9 | 4684 | |
683153a4 AG |
4685 | strbuf_addstr(buf, commands->items[i].string); |
4686 | strbuf_addch(buf, '\n'); | |
3546c8d9 | 4687 | |
683153a4 AG |
4688 | base_items[i].command = TODO_EXEC; |
4689 | base_items[i].offset_in_buf = base_offset; | |
4690 | base_items[i].arg_offset = base_offset + strlen("exec "); | |
4691 | base_items[i].arg_len = command_len - strlen("exec "); | |
3546c8d9 | 4692 | |
683153a4 | 4693 | base_offset += command_len + 1; |
3546c8d9 JS |
4694 | } |
4695 | ||
1ace63bc JS |
4696 | /* |
4697 | * Insert <commands> after every pick. Here, fixup/squash chains | |
4698 | * are considered part of the pick, so we insert the commands *after* | |
4699 | * those chains if there are any. | |
683153a4 AG |
4700 | * |
4701 | * As we insert the exec commands immediatly after rearranging | |
4702 | * any fixups and before the user edits the list, a fixup chain | |
4703 | * can never contain comments (any comments are empty picks that | |
4704 | * have been commented out because the user did not specify | |
4705 | * --keep-empty). So, it is safe to insert an exec command | |
4706 | * without looking at the command following a comment. | |
1ace63bc | 4707 | */ |
683153a4 AG |
4708 | insert = 0; |
4709 | for (i = 0; i < todo_list->nr; i++) { | |
4710 | enum todo_command command = todo_list->items[i].command; | |
4711 | if (insert && !is_fixup(command)) { | |
4712 | ALLOC_GROW(items, nr + commands->nr, alloc); | |
4713 | COPY_ARRAY(items + nr, base_items, commands->nr); | |
4714 | nr += commands->nr; | |
4715 | ||
4716 | insert = 0; | |
0cce4a27 | 4717 | } |
1ace63bc | 4718 | |
683153a4 AG |
4719 | ALLOC_GROW(items, nr + 1, alloc); |
4720 | items[nr++] = todo_list->items[i]; | |
4721 | ||
1ace63bc | 4722 | if (command == TODO_PICK || command == TODO_MERGE) |
683153a4 | 4723 | insert = 1; |
0cce4a27 LB |
4724 | } |
4725 | ||
1ace63bc | 4726 | /* insert or append final <commands> */ |
683153a4 AG |
4727 | if (insert || nr == todo_list->nr) { |
4728 | ALLOC_GROW(items, nr + commands->nr, alloc); | |
4729 | COPY_ARRAY(items + nr, base_items, commands->nr); | |
4730 | nr += commands->nr; | |
4731 | } | |
0cce4a27 | 4732 | |
683153a4 AG |
4733 | free(base_items); |
4734 | FREE_AND_NULL(todo_list->items); | |
4735 | todo_list->items = items; | |
4736 | todo_list->nr = nr; | |
4737 | todo_list->alloc = alloc; | |
0cce4a27 | 4738 | } |
3546c8d9 | 4739 | |
616d7740 AG |
4740 | static void todo_list_to_strbuf(struct repository *r, struct todo_list *todo_list, |
4741 | struct strbuf *buf, int num, unsigned flags) | |
3546c8d9 | 4742 | { |
8dccc7a6 | 4743 | struct todo_item *item; |
616d7740 | 4744 | int i, max = todo_list->nr; |
3546c8d9 | 4745 | |
616d7740 AG |
4746 | if (num > 0 && num < max) |
4747 | max = num; | |
3546c8d9 | 4748 | |
616d7740 | 4749 | for (item = todo_list->items, i = 0; i < max; i++, item++) { |
8dccc7a6 LB |
4750 | /* if the item is not a command write it and continue */ |
4751 | if (item->command >= TODO_COMMENT) { | |
616d7740 | 4752 | strbuf_addf(buf, "%.*s\n", item->arg_len, |
cbef27d6 | 4753 | todo_item_get_arg(todo_list, item)); |
8dccc7a6 | 4754 | continue; |
3546c8d9 | 4755 | } |
8dccc7a6 LB |
4756 | |
4757 | /* add command to the buffer */ | |
d8ae6c84 | 4758 | if (flags & TODO_LIST_ABBREVIATE_CMDS) |
616d7740 | 4759 | strbuf_addch(buf, command_to_char(item->command)); |
d8ae6c84 | 4760 | else |
616d7740 | 4761 | strbuf_addstr(buf, command_to_string(item->command)); |
8dccc7a6 LB |
4762 | |
4763 | /* add commit id */ | |
4764 | if (item->commit) { | |
313a48ea | 4765 | const char *oid = flags & TODO_LIST_SHORTEN_IDS ? |
8dccc7a6 LB |
4766 | short_commit_name(item->commit) : |
4767 | oid_to_hex(&item->commit->object.oid); | |
4768 | ||
4c68e7dd JS |
4769 | if (item->command == TODO_MERGE) { |
4770 | if (item->flags & TODO_EDIT_MERGE_MSG) | |
616d7740 | 4771 | strbuf_addstr(buf, " -c"); |
4c68e7dd | 4772 | else |
616d7740 | 4773 | strbuf_addstr(buf, " -C"); |
4c68e7dd JS |
4774 | } |
4775 | ||
616d7740 | 4776 | strbuf_addf(buf, " %s", oid); |
3546c8d9 | 4777 | } |
4c68e7dd | 4778 | |
8dccc7a6 | 4779 | /* add all the rest */ |
c7b4d79c | 4780 | if (!item->arg_len) |
616d7740 | 4781 | strbuf_addch(buf, '\n'); |
c7b4d79c | 4782 | else |
616d7740 | 4783 | strbuf_addf(buf, " %.*s\n", item->arg_len, |
cbef27d6 | 4784 | todo_item_get_arg(todo_list, item)); |
3546c8d9 | 4785 | } |
3546c8d9 | 4786 | } |
94399949 | 4787 | |
616d7740 AG |
4788 | int todo_list_write_to_file(struct repository *r, struct todo_list *todo_list, |
4789 | const char *file, const char *shortrevisions, | |
4790 | const char *shortonto, int num, unsigned flags) | |
94399949 | 4791 | { |
af1fc3ad | 4792 | int res; |
616d7740 | 4793 | struct strbuf buf = STRBUF_INIT; |
94399949 | 4794 | |
616d7740 | 4795 | todo_list_to_strbuf(r, todo_list, &buf, num, flags); |
af1fc3ad AG |
4796 | if (flags & TODO_LIST_APPEND_TODO_HELP) |
4797 | append_todo_help(flags & TODO_LIST_KEEP_EMPTY, count_commands(todo_list), | |
4798 | shortrevisions, shortonto, &buf); | |
94399949 | 4799 | |
616d7740 | 4800 | res = write_message(buf.buf, buf.len, file, 0); |
cbef27d6 | 4801 | strbuf_release(&buf); |
8315bd20 | 4802 | |
616d7740 | 4803 | return res; |
cbef27d6 | 4804 | } |
94399949 | 4805 | |
6ca89c6f AG |
4806 | static const char edit_todo_list_advice[] = |
4807 | N_("You can fix this with 'git rebase --edit-todo' " | |
4808 | "and then run 'git rebase --continue'.\n" | |
4809 | "Or you can abort the rebase with 'git rebase" | |
4810 | " --abort'.\n"); | |
94399949 | 4811 | |
6ca89c6f | 4812 | int check_todo_list_from_file(struct repository *r) |
94399949 | 4813 | { |
6ca89c6f AG |
4814 | struct todo_list old_todo = TODO_LIST_INIT, new_todo = TODO_LIST_INIT; |
4815 | int res = 0; | |
94399949 | 4816 | |
6ca89c6f | 4817 | if (strbuf_read_file_or_whine(&new_todo.buf, rebase_path_todo()) < 0) { |
87805600 | 4818 | res = -1; |
6ca89c6f | 4819 | goto out; |
94399949 JS |
4820 | } |
4821 | ||
6ca89c6f | 4822 | if (strbuf_read_file_or_whine(&old_todo.buf, rebase_path_todo_backup()) < 0) { |
87805600 | 4823 | res = -1; |
6ca89c6f | 4824 | goto out; |
94399949 JS |
4825 | } |
4826 | ||
6ca89c6f AG |
4827 | res = todo_list_parse_insn_buffer(r, old_todo.buf.buf, &old_todo); |
4828 | if (!res) | |
4829 | res = todo_list_parse_insn_buffer(r, new_todo.buf.buf, &new_todo); | |
4830 | if (!res) | |
4831 | res = todo_list_check(&old_todo, &new_todo); | |
4832 | if (res) | |
4833 | fprintf(stderr, _(edit_todo_list_advice)); | |
4834 | out: | |
4835 | todo_list_release(&old_todo); | |
4836 | todo_list_release(&new_todo); | |
94399949 JS |
4837 | |
4838 | return res; | |
4839 | } | |
cdac2b01 JS |
4840 | |
4841 | /* skip picking commits whose parents are unchanged */ | |
6bfeb7f1 AG |
4842 | static int skip_unnecessary_picks(struct repository *r, |
4843 | struct todo_list *todo_list, | |
4844 | struct object_id *base_oid) | |
cdac2b01 | 4845 | { |
d4ed5d77 | 4846 | struct object_id *parent_oid; |
6bfeb7f1 | 4847 | int i; |
cdac2b01 | 4848 | |
6bfeb7f1 AG |
4849 | for (i = 0; i < todo_list->nr; i++) { |
4850 | struct todo_item *item = todo_list->items + i; | |
cdac2b01 JS |
4851 | |
4852 | if (item->command >= TODO_NOOP) | |
4853 | continue; | |
4854 | if (item->command != TODO_PICK) | |
4855 | break; | |
4856 | if (parse_commit(item->commit)) { | |
cdac2b01 JS |
4857 | return error(_("could not parse commit '%s'"), |
4858 | oid_to_hex(&item->commit->object.oid)); | |
4859 | } | |
4860 | if (!item->commit->parents) | |
4861 | break; /* root commit */ | |
4862 | if (item->commit->parents->next) | |
4863 | break; /* merge commit */ | |
4864 | parent_oid = &item->commit->parents->item->object.oid; | |
6bfeb7f1 | 4865 | if (!oideq(parent_oid, base_oid)) |
cdac2b01 | 4866 | break; |
6bfeb7f1 | 4867 | oidcpy(base_oid, &item->commit->object.oid); |
cdac2b01 JS |
4868 | } |
4869 | if (i > 0) { | |
cdac2b01 JS |
4870 | const char *done_path = rebase_path_done(); |
4871 | ||
6bfeb7f1 | 4872 | if (todo_list_write_to_file(r, todo_list, done_path, NULL, NULL, i, 0)) { |
cdac2b01 | 4873 | error_errno(_("could not write to '%s'"), done_path); |
cdac2b01 JS |
4874 | return -1; |
4875 | } | |
cdac2b01 | 4876 | |
6bfeb7f1 AG |
4877 | MOVE_ARRAY(todo_list->items, todo_list->items + i, todo_list->nr - i); |
4878 | todo_list->nr -= i; | |
4879 | todo_list->current = 0; | |
cdac2b01 | 4880 | |
6bfeb7f1 AG |
4881 | if (is_fixup(peek_command(todo_list, 0))) |
4882 | record_in_rewritten(base_oid, peek_command(todo_list, 0)); | |
cdac2b01 JS |
4883 | } |
4884 | ||
cdac2b01 JS |
4885 | return 0; |
4886 | } | |
c44a4c65 | 4887 | |
005af339 | 4888 | int complete_action(struct repository *r, struct replay_opts *opts, unsigned flags, |
b97e1873 | 4889 | const char *shortrevisions, const char *onto_name, |
7d3488eb PW |
4890 | struct commit *onto, const char *orig_head, |
4891 | struct string_list *commands, unsigned autosquash, | |
4892 | struct todo_list *todo_list) | |
b97e1873 AG |
4893 | { |
4894 | const char *shortonto, *todo_file = rebase_path_todo(); | |
94bcad79 AG |
4895 | struct todo_list new_todo = TODO_LIST_INIT; |
4896 | struct strbuf *buf = &todo_list->buf; | |
7d3488eb | 4897 | struct object_id oid = onto->object.oid; |
1451d0f6 | 4898 | int res; |
b97e1873 | 4899 | |
b97e1873 AG |
4900 | shortonto = find_unique_abbrev(&oid, DEFAULT_ABBREV); |
4901 | ||
94bcad79 AG |
4902 | if (buf->len == 0) { |
4903 | struct todo_item *item = append_new_todo(todo_list); | |
4904 | item->command = TODO_NOOP; | |
4905 | item->commit = NULL; | |
4906 | item->arg_len = item->arg_offset = item->flags = item->offset_in_buf = 0; | |
4907 | } | |
b97e1873 | 4908 | |
94bcad79 | 4909 | if (autosquash && todo_list_rearrange_squash(todo_list)) |
b97e1873 AG |
4910 | return -1; |
4911 | ||
683153a4 | 4912 | if (commands->nr) |
94bcad79 | 4913 | todo_list_add_exec_commands(todo_list, commands); |
b97e1873 | 4914 | |
94bcad79 | 4915 | if (count_commands(todo_list) == 0) { |
b97e1873 AG |
4916 | apply_autostash(opts); |
4917 | sequencer_remove_state(opts); | |
b97e1873 AG |
4918 | |
4919 | return error(_("nothing to do")); | |
4920 | } | |
4921 | ||
1451d0f6 AG |
4922 | res = edit_todo_list(r, todo_list, &new_todo, shortrevisions, |
4923 | shortonto, flags); | |
4924 | if (res == -1) | |
b97e1873 | 4925 | return -1; |
1451d0f6 | 4926 | else if (res == -2) { |
b97e1873 AG |
4927 | apply_autostash(opts); |
4928 | sequencer_remove_state(opts); | |
b97e1873 AG |
4929 | |
4930 | return -1; | |
1451d0f6 | 4931 | } else if (res == -3) { |
b97e1873 AG |
4932 | apply_autostash(opts); |
4933 | sequencer_remove_state(opts); | |
94bcad79 | 4934 | todo_list_release(&new_todo); |
b97e1873 AG |
4935 | |
4936 | return error(_("nothing to do")); | |
4937 | } | |
4938 | ||
94bcad79 AG |
4939 | if (todo_list_parse_insn_buffer(r, new_todo.buf.buf, &new_todo) || |
4940 | todo_list_check(todo_list, &new_todo)) { | |
4941 | fprintf(stderr, _(edit_todo_list_advice)); | |
7d3488eb | 4942 | checkout_onto(r, opts, onto_name, &onto->object.oid, orig_head); |
94bcad79 AG |
4943 | todo_list_release(&new_todo); |
4944 | ||
b97e1873 AG |
4945 | return -1; |
4946 | } | |
4947 | ||
6bfeb7f1 AG |
4948 | if (opts->allow_ff && skip_unnecessary_picks(r, &new_todo, &oid)) { |
4949 | todo_list_release(&new_todo); | |
b97e1873 | 4950 | return error(_("could not skip unnecessary pick commands")); |
6bfeb7f1 AG |
4951 | } |
4952 | ||
94bcad79 AG |
4953 | if (todo_list_write_to_file(r, &new_todo, todo_file, NULL, NULL, -1, |
4954 | flags & ~(TODO_LIST_SHORTEN_IDS))) { | |
4955 | todo_list_release(&new_todo); | |
4956 | return error_errno(_("could not write '%s'"), todo_file); | |
4957 | } | |
4958 | ||
4959 | todo_list_release(&new_todo); | |
b97e1873 | 4960 | |
7d3488eb | 4961 | if (checkout_onto(r, opts, onto_name, &oid, orig_head)) |
b97e1873 | 4962 | return -1; |
29d51e21 | 4963 | |
005af339 | 4964 | if (require_clean_work_tree(r, "rebase", "", 1, 1)) |
b97e1873 AG |
4965 | return -1; |
4966 | ||
005af339 | 4967 | return sequencer_continue(r, opts); |
b97e1873 AG |
4968 | } |
4969 | ||
c44a4c65 JS |
4970 | struct subject2item_entry { |
4971 | struct hashmap_entry entry; | |
4972 | int i; | |
4973 | char subject[FLEX_ARRAY]; | |
4974 | }; | |
4975 | ||
4976 | static int subject2item_cmp(const void *fndata, | |
4977 | const struct subject2item_entry *a, | |
4978 | const struct subject2item_entry *b, const void *key) | |
4979 | { | |
4980 | return key ? strcmp(a->subject, key) : strcmp(a->subject, b->subject); | |
4981 | } | |
4982 | ||
3cc0287b NTND |
4983 | define_commit_slab(commit_todo_item, struct todo_item *); |
4984 | ||
c44a4c65 JS |
4985 | /* |
4986 | * Rearrange the todo list that has both "pick commit-id msg" and "pick | |
4987 | * commit-id fixup!/squash! msg" in it so that the latter is put immediately | |
4988 | * after the former, and change "pick" to "fixup"/"squash". | |
4989 | * | |
4990 | * Note that if the config has specified a custom instruction format, each log | |
4991 | * message will have to be retrieved from the commit (as the oneline in the | |
4992 | * script cannot be trusted) in order to normalize the autosquash arrangement. | |
4993 | */ | |
79d7e883 | 4994 | int todo_list_rearrange_squash(struct todo_list *todo_list) |
c44a4c65 | 4995 | { |
c44a4c65 | 4996 | struct hashmap subject2item; |
f2a04904 | 4997 | int rearranged = 0, *next, *tail, i, nr = 0, alloc = 0; |
c44a4c65 | 4998 | char **subjects; |
3cc0287b | 4999 | struct commit_todo_item commit_todo; |
f2a04904 | 5000 | struct todo_item *items = NULL; |
c44a4c65 | 5001 | |
3cc0287b | 5002 | init_commit_todo_item(&commit_todo); |
c44a4c65 JS |
5003 | /* |
5004 | * The hashmap maps onelines to the respective todo list index. | |
5005 | * | |
5006 | * If any items need to be rearranged, the next[i] value will indicate | |
5007 | * which item was moved directly after the i'th. | |
5008 | * | |
5009 | * In that case, last[i] will indicate the index of the latest item to | |
5010 | * be moved to appear after the i'th. | |
5011 | */ | |
5012 | hashmap_init(&subject2item, (hashmap_cmp_fn) subject2item_cmp, | |
f2a04904 AG |
5013 | NULL, todo_list->nr); |
5014 | ALLOC_ARRAY(next, todo_list->nr); | |
5015 | ALLOC_ARRAY(tail, todo_list->nr); | |
5016 | ALLOC_ARRAY(subjects, todo_list->nr); | |
5017 | for (i = 0; i < todo_list->nr; i++) { | |
c44a4c65 | 5018 | struct strbuf buf = STRBUF_INIT; |
f2a04904 | 5019 | struct todo_item *item = todo_list->items + i; |
c44a4c65 JS |
5020 | const char *commit_buffer, *subject, *p; |
5021 | size_t subject_len; | |
5022 | int i2 = -1; | |
5023 | struct subject2item_entry *entry; | |
5024 | ||
5025 | next[i] = tail[i] = -1; | |
2f6b1d13 | 5026 | if (!item->commit || item->command == TODO_DROP) { |
c44a4c65 JS |
5027 | subjects[i] = NULL; |
5028 | continue; | |
5029 | } | |
5030 | ||
5031 | if (is_fixup(item->command)) { | |
3cc0287b | 5032 | clear_commit_todo_item(&commit_todo); |
c44a4c65 JS |
5033 | return error(_("the script was already rearranged.")); |
5034 | } | |
5035 | ||
3cc0287b | 5036 | *commit_todo_item_at(&commit_todo, item->commit) = item; |
c44a4c65 JS |
5037 | |
5038 | parse_commit(item->commit); | |
5039 | commit_buffer = get_commit_buffer(item->commit, NULL); | |
5040 | find_commit_subject(commit_buffer, &subject); | |
5041 | format_subject(&buf, subject, " "); | |
5042 | subject = subjects[i] = strbuf_detach(&buf, &subject_len); | |
5043 | unuse_commit_buffer(item->commit, commit_buffer); | |
5044 | if ((skip_prefix(subject, "fixup! ", &p) || | |
5045 | skip_prefix(subject, "squash! ", &p))) { | |
5046 | struct commit *commit2; | |
5047 | ||
5048 | for (;;) { | |
5049 | while (isspace(*p)) | |
5050 | p++; | |
5051 | if (!skip_prefix(p, "fixup! ", &p) && | |
5052 | !skip_prefix(p, "squash! ", &p)) | |
5053 | break; | |
5054 | } | |
5055 | ||
5056 | if ((entry = hashmap_get_from_hash(&subject2item, | |
5057 | strhash(p), p))) | |
5058 | /* found by title */ | |
5059 | i2 = entry->i; | |
5060 | else if (!strchr(p, ' ') && | |
5061 | (commit2 = | |
5062 | lookup_commit_reference_by_name(p)) && | |
3cc0287b | 5063 | *commit_todo_item_at(&commit_todo, commit2)) |
c44a4c65 | 5064 | /* found by commit name */ |
3cc0287b | 5065 | i2 = *commit_todo_item_at(&commit_todo, commit2) |
f2a04904 | 5066 | - todo_list->items; |
c44a4c65 JS |
5067 | else { |
5068 | /* copy can be a prefix of the commit subject */ | |
5069 | for (i2 = 0; i2 < i; i2++) | |
5070 | if (subjects[i2] && | |
5071 | starts_with(subjects[i2], p)) | |
5072 | break; | |
5073 | if (i2 == i) | |
5074 | i2 = -1; | |
5075 | } | |
5076 | } | |
5077 | if (i2 >= 0) { | |
5078 | rearranged = 1; | |
f2a04904 | 5079 | todo_list->items[i].command = |
c44a4c65 JS |
5080 | starts_with(subject, "fixup!") ? |
5081 | TODO_FIXUP : TODO_SQUASH; | |
5082 | if (next[i2] < 0) | |
5083 | next[i2] = i; | |
5084 | else | |
5085 | next[tail[i2]] = i; | |
5086 | tail[i2] = i; | |
5087 | } else if (!hashmap_get_from_hash(&subject2item, | |
5088 | strhash(subject), subject)) { | |
5089 | FLEX_ALLOC_MEM(entry, subject, subject, subject_len); | |
5090 | entry->i = i; | |
5091 | hashmap_entry_init(entry, strhash(entry->subject)); | |
5092 | hashmap_put(&subject2item, entry); | |
5093 | } | |
5094 | } | |
5095 | ||
5096 | if (rearranged) { | |
f2a04904 AG |
5097 | for (i = 0; i < todo_list->nr; i++) { |
5098 | enum todo_command command = todo_list->items[i].command; | |
c44a4c65 JS |
5099 | int cur = i; |
5100 | ||
5101 | /* | |
5102 | * Initially, all commands are 'pick's. If it is a | |
5103 | * fixup or a squash now, we have rearranged it. | |
5104 | */ | |
5105 | if (is_fixup(command)) | |
5106 | continue; | |
5107 | ||
5108 | while (cur >= 0) { | |
f2a04904 AG |
5109 | ALLOC_GROW(items, nr + 1, alloc); |
5110 | items[nr++] = todo_list->items[cur]; | |
c44a4c65 JS |
5111 | cur = next[cur]; |
5112 | } | |
5113 | } | |
5114 | ||
f2a04904 AG |
5115 | FREE_AND_NULL(todo_list->items); |
5116 | todo_list->items = items; | |
5117 | todo_list->nr = nr; | |
5118 | todo_list->alloc = alloc; | |
c44a4c65 JS |
5119 | } |
5120 | ||
5121 | free(next); | |
5122 | free(tail); | |
f2a04904 | 5123 | for (i = 0; i < todo_list->nr; i++) |
c44a4c65 JS |
5124 | free(subjects[i]); |
5125 | free(subjects); | |
5126 | hashmap_free(&subject2item, 1); | |
c44a4c65 | 5127 | |
3cc0287b | 5128 | clear_commit_todo_item(&commit_todo); |
f2a04904 AG |
5129 | |
5130 | return 0; | |
c44a4c65 | 5131 | } |