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Commit | Line | Data |
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9509af68 JS |
1 | #include "cache.h" |
2 | #include "builtin.h" | |
3 | #include "object.h" | |
4 | #include "commit.h" | |
5 | #include "tag.h" | |
9509af68 JS |
6 | #include "run-command.h" |
7 | #include "exec_cmd.h" | |
8 | #include "utf8.h" | |
f8103794 | 9 | #include "parse-options.h" |
45525bd0 | 10 | #include "cache-tree.h" |
0f2d4476 JK |
11 | #include "diff.h" |
12 | #include "revision.h" | |
aa1a0111 | 13 | #include "rerere.h" |
6eb1b437 | 14 | #include "merge-recursive.h" |
c62f6ec3 | 15 | #include "refs.h" |
04d3d3cf | 16 | #include "dir.h" |
26ae337b | 17 | #include "sequencer.h" |
9509af68 JS |
18 | |
19 | /* | |
20 | * This implements the builtins revert and cherry-pick. | |
21 | * | |
22 | * Copyright (c) 2007 Johannes E. Schindelin | |
23 | * | |
24 | * Based on git-revert.sh, which is | |
25 | * | |
26 | * Copyright (c) 2005 Linus Torvalds | |
27 | * Copyright (c) 2005 Junio C Hamano | |
28 | */ | |
29 | ||
f8103794 | 30 | static const char * const revert_usage[] = { |
1b1dd23f | 31 | "git revert [options] <commit-ish>", |
26ae337b | 32 | "git revert <subcommand>", |
f8103794 PH |
33 | NULL |
34 | }; | |
9509af68 | 35 | |
f8103794 | 36 | static const char * const cherry_pick_usage[] = { |
1b1dd23f | 37 | "git cherry-pick [options] <commit-ish>", |
26ae337b | 38 | "git cherry-pick <subcommand>", |
f8103794 PH |
39 | NULL |
40 | }; | |
9509af68 | 41 | |
80e1f791 | 42 | enum replay_action { REVERT, CHERRY_PICK }; |
5a5d80f4 | 43 | enum replay_subcommand { REPLAY_NONE, REPLAY_RESET, REPLAY_CONTINUE }; |
80e1f791 RR |
44 | |
45 | struct replay_opts { | |
46 | enum replay_action action; | |
26ae337b | 47 | enum replay_subcommand subcommand; |
80e1f791 RR |
48 | |
49 | /* Boolean options */ | |
50 | int edit; | |
51 | int record_origin; | |
52 | int no_commit; | |
53 | int signoff; | |
54 | int allow_ff; | |
55 | int allow_rerere_auto; | |
56 | ||
57 | int mainline; | |
58 | int commit_argc; | |
59 | const char **commit_argv; | |
60 | ||
61 | /* Merge strategy */ | |
62 | const char *strategy; | |
63 | const char **xopts; | |
64 | size_t xopts_nr, xopts_alloc; | |
65 | }; | |
9509af68 JS |
66 | |
67 | #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION" | |
68 | ||
80e1f791 RR |
69 | static const char *action_name(const struct replay_opts *opts) |
70 | { | |
71 | return opts->action == REVERT ? "revert" : "cherry-pick"; | |
72 | } | |
73 | ||
d6856540 JN |
74 | static char *get_encoding(const char *message); |
75 | ||
80e1f791 | 76 | static const char * const *revert_or_cherry_pick_usage(struct replay_opts *opts) |
e0ef8495 | 77 | { |
80e1f791 | 78 | return opts->action == REVERT ? revert_usage : cherry_pick_usage; |
e0ef8495 JN |
79 | } |
80 | ||
67ac1e1d JN |
81 | static int option_parse_x(const struct option *opt, |
82 | const char *arg, int unset) | |
83 | { | |
80e1f791 RR |
84 | struct replay_opts **opts_ptr = opt->value; |
85 | struct replay_opts *opts = *opts_ptr; | |
86 | ||
67ac1e1d JN |
87 | if (unset) |
88 | return 0; | |
89 | ||
80e1f791 RR |
90 | ALLOC_GROW(opts->xopts, opts->xopts_nr + 1, opts->xopts_alloc); |
91 | opts->xopts[opts->xopts_nr++] = xstrdup(arg); | |
67ac1e1d JN |
92 | return 0; |
93 | } | |
94 | ||
9044143f RR |
95 | static void verify_opt_compatible(const char *me, const char *base_opt, ...) |
96 | { | |
97 | const char *this_opt; | |
98 | va_list ap; | |
99 | ||
100 | va_start(ap, base_opt); | |
101 | while ((this_opt = va_arg(ap, const char *))) { | |
102 | if (va_arg(ap, int)) | |
103 | break; | |
104 | } | |
105 | va_end(ap); | |
106 | ||
107 | if (this_opt) | |
108 | die(_("%s: %s cannot be used with %s"), me, this_opt, base_opt); | |
109 | } | |
110 | ||
5a5d80f4 RR |
111 | static void verify_opt_mutually_compatible(const char *me, ...) |
112 | { | |
113 | const char *opt1, *opt2; | |
114 | va_list ap; | |
115 | ||
116 | va_start(ap, me); | |
117 | while ((opt1 = va_arg(ap, const char *))) { | |
118 | if (va_arg(ap, int)) | |
119 | break; | |
120 | } | |
121 | if (opt1) { | |
122 | while ((opt2 = va_arg(ap, const char *))) { | |
123 | if (va_arg(ap, int)) | |
124 | break; | |
125 | } | |
126 | } | |
127 | ||
128 | if (opt1 && opt2) | |
129 | die(_("%s: %s cannot be used with %s"), me, opt1, opt2); | |
130 | } | |
131 | ||
80e1f791 | 132 | static void parse_args(int argc, const char **argv, struct replay_opts *opts) |
9509af68 | 133 | { |
80e1f791 | 134 | const char * const * usage_str = revert_or_cherry_pick_usage(opts); |
9044143f | 135 | const char *me = action_name(opts); |
f8103794 | 136 | int noop; |
26ae337b | 137 | int reset = 0; |
5a5d80f4 | 138 | int contin = 0; |
f8103794 | 139 | struct option options[] = { |
26ae337b | 140 | OPT_BOOLEAN(0, "reset", &reset, "forget the current operation"), |
5a5d80f4 | 141 | OPT_BOOLEAN(0, "continue", &contin, "continue the current operation"), |
80e1f791 RR |
142 | OPT_BOOLEAN('n', "no-commit", &opts->no_commit, "don't automatically commit"), |
143 | OPT_BOOLEAN('e', "edit", &opts->edit, "edit the commit message"), | |
5e31075a RR |
144 | { OPTION_BOOLEAN, 'r', NULL, &noop, NULL, "no-op (backward compatibility)", |
145 | PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 0 }, | |
80e1f791 RR |
146 | OPT_BOOLEAN('s', "signoff", &opts->signoff, "add Signed-off-by:"), |
147 | OPT_INTEGER('m', "mainline", &opts->mainline, "parent number"), | |
148 | OPT_RERERE_AUTOUPDATE(&opts->allow_rerere_auto), | |
149 | OPT_STRING(0, "strategy", &opts->strategy, "strategy", "merge strategy"), | |
150 | OPT_CALLBACK('X', "strategy-option", &opts, "option", | |
67ac1e1d | 151 | "option for merge strategy", option_parse_x), |
f8103794 | 152 | OPT_END(), |
c62f6ec3 JH |
153 | OPT_END(), |
154 | OPT_END(), | |
f8103794 PH |
155 | }; |
156 | ||
80e1f791 | 157 | if (opts->action == CHERRY_PICK) { |
c62f6ec3 | 158 | struct option cp_extra[] = { |
80e1f791 RR |
159 | OPT_BOOLEAN('x', NULL, &opts->record_origin, "append commit name"), |
160 | OPT_BOOLEAN(0, "ff", &opts->allow_ff, "allow fast-forward"), | |
c62f6ec3 JH |
161 | OPT_END(), |
162 | }; | |
163 | if (parse_options_concat(options, ARRAY_SIZE(options), cp_extra)) | |
f30f71ce | 164 | die(_("program error")); |
c62f6ec3 JH |
165 | } |
166 | ||
80e1f791 RR |
167 | opts->commit_argc = parse_options(argc, argv, NULL, options, usage_str, |
168 | PARSE_OPT_KEEP_ARGV0 | | |
169 | PARSE_OPT_KEEP_UNKNOWN); | |
26ae337b | 170 | |
5a5d80f4 RR |
171 | /* Check for incompatible subcommands */ |
172 | verify_opt_mutually_compatible(me, | |
173 | "--reset", reset, | |
174 | "--continue", contin, | |
175 | NULL); | |
176 | ||
26ae337b RR |
177 | /* Set the subcommand */ |
178 | if (reset) | |
179 | opts->subcommand = REPLAY_RESET; | |
5a5d80f4 RR |
180 | else if (contin) |
181 | opts->subcommand = REPLAY_CONTINUE; | |
26ae337b RR |
182 | else |
183 | opts->subcommand = REPLAY_NONE; | |
184 | ||
185 | /* Check for incompatible command line arguments */ | |
5a5d80f4 RR |
186 | if (opts->subcommand != REPLAY_NONE) { |
187 | char *this_operation; | |
188 | if (opts->subcommand == REPLAY_RESET) | |
189 | this_operation = "--reset"; | |
190 | else | |
191 | this_operation = "--continue"; | |
192 | ||
193 | verify_opt_compatible(me, this_operation, | |
26ae337b RR |
194 | "--no-commit", opts->no_commit, |
195 | "--signoff", opts->signoff, | |
196 | "--mainline", opts->mainline, | |
197 | "--strategy", opts->strategy ? 1 : 0, | |
198 | "--strategy-option", opts->xopts ? 1 : 0, | |
199 | "-x", opts->record_origin, | |
200 | "--ff", opts->allow_ff, | |
201 | NULL); | |
202 | } | |
203 | ||
204 | else if (opts->commit_argc < 2) | |
f8103794 | 205 | usage_with_options(usage_str, options); |
9509af68 | 206 | |
9044143f RR |
207 | if (opts->allow_ff) |
208 | verify_opt_compatible(me, "--ff", | |
209 | "--signoff", opts->signoff, | |
210 | "--no-commit", opts->no_commit, | |
211 | "-x", opts->record_origin, | |
212 | "--edit", opts->edit, | |
213 | NULL); | |
80e1f791 | 214 | opts->commit_argv = argv; |
9509af68 JS |
215 | } |
216 | ||
d6856540 JN |
217 | struct commit_message { |
218 | char *parent_label; | |
219 | const char *label; | |
220 | const char *subject; | |
221 | char *reencoded_message; | |
222 | const char *message; | |
223 | }; | |
224 | ||
708f9d96 | 225 | static int get_message(struct commit *commit, struct commit_message *out) |
9509af68 | 226 | { |
d6856540 | 227 | const char *encoding; |
dfe7effe CC |
228 | const char *abbrev, *subject; |
229 | int abbrev_len, subject_len; | |
d6856540 | 230 | char *q; |
9509af68 | 231 | |
708f9d96 | 232 | if (!commit->buffer) |
d6856540 | 233 | return -1; |
708f9d96 | 234 | encoding = get_encoding(commit->buffer); |
d6856540 JN |
235 | if (!encoding) |
236 | encoding = "UTF-8"; | |
237 | if (!git_commit_encoding) | |
238 | git_commit_encoding = "UTF-8"; | |
43acff34 JN |
239 | |
240 | out->reencoded_message = NULL; | |
708f9d96 | 241 | out->message = commit->buffer; |
43acff34 | 242 | if (strcmp(encoding, git_commit_encoding)) |
708f9d96 | 243 | out->reencoded_message = reencode_string(commit->buffer, |
43acff34 JN |
244 | git_commit_encoding, encoding); |
245 | if (out->reencoded_message) | |
d6856540 JN |
246 | out->message = out->reencoded_message; |
247 | ||
248 | abbrev = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV); | |
249 | abbrev_len = strlen(abbrev); | |
250 | ||
dfe7effe | 251 | subject_len = find_commit_subject(out->message, &subject); |
d6856540 JN |
252 | |
253 | out->parent_label = xmalloc(strlen("parent of ") + abbrev_len + | |
dfe7effe | 254 | strlen("... ") + subject_len + 1); |
d6856540 JN |
255 | q = out->parent_label; |
256 | q = mempcpy(q, "parent of ", strlen("parent of ")); | |
257 | out->label = q; | |
258 | q = mempcpy(q, abbrev, abbrev_len); | |
259 | q = mempcpy(q, "... ", strlen("... ")); | |
260 | out->subject = q; | |
dfe7effe | 261 | q = mempcpy(q, subject, subject_len); |
d6856540 JN |
262 | *q = '\0'; |
263 | return 0; | |
264 | } | |
265 | ||
266 | static void free_message(struct commit_message *msg) | |
267 | { | |
268 | free(msg->parent_label); | |
269 | free(msg->reencoded_message); | |
9509af68 JS |
270 | } |
271 | ||
52fae7de | 272 | static char *get_encoding(const char *message) |
9509af68 JS |
273 | { |
274 | const char *p = message, *eol; | |
275 | ||
9509af68 JS |
276 | while (*p && *p != '\n') { |
277 | for (eol = p + 1; *eol && *eol != '\n'; eol++) | |
278 | ; /* do nothing */ | |
279 | if (!prefixcmp(p, "encoding ")) { | |
280 | char *result = xmalloc(eol - 8 - p); | |
281 | strlcpy(result, p + 9, eol - 8 - p); | |
282 | return result; | |
283 | } | |
284 | p = eol; | |
285 | if (*p == '\n') | |
286 | p++; | |
287 | } | |
288 | return NULL; | |
289 | } | |
290 | ||
708f9d96 | 291 | static void write_cherry_pick_head(struct commit *commit) |
9509af68 | 292 | { |
d7e5c0cb JS |
293 | int fd; |
294 | struct strbuf buf = STRBUF_INIT; | |
295 | ||
296 | strbuf_addf(&buf, "%s\n", sha1_to_hex(commit->object.sha1)); | |
297 | ||
298 | fd = open(git_path("CHERRY_PICK_HEAD"), O_WRONLY | O_CREAT, 0666); | |
299 | if (fd < 0) | |
6c80cd29 | 300 | die_errno(_("Could not open '%s' for writing"), |
d7e5c0cb JS |
301 | git_path("CHERRY_PICK_HEAD")); |
302 | if (write_in_full(fd, buf.buf, buf.len) != buf.len || close(fd)) | |
6c80cd29 | 303 | die_errno(_("Could not write to '%s'"), git_path("CHERRY_PICK_HEAD")); |
d7e5c0cb | 304 | strbuf_release(&buf); |
9509af68 JS |
305 | } |
306 | ||
314eeb6e | 307 | static void print_advice(void) |
804c7174 | 308 | { |
804c7174 | 309 | char *msg = getenv("GIT_CHERRY_PICK_HELP"); |
804c7174 | 310 | |
314eeb6e JN |
311 | if (msg) { |
312 | fprintf(stderr, "%s\n", msg); | |
d7e5c0cb JS |
313 | /* |
314 | * A conflict has occured but the porcelain | |
315 | * (typically rebase --interactive) wants to take care | |
316 | * of the commit itself so remove CHERRY_PICK_HEAD | |
317 | */ | |
318 | unlink(git_path("CHERRY_PICK_HEAD")); | |
314eeb6e | 319 | return; |
804c7174 | 320 | } |
804c7174 | 321 | |
314eeb6e JN |
322 | advise("after resolving the conflicts, mark the corrected paths"); |
323 | advise("with 'git add <paths>' or 'git rm <paths>'"); | |
37f7a857 | 324 | advise("and commit the result with 'git commit'"); |
804c7174 WC |
325 | } |
326 | ||
bc84a7fb CC |
327 | static void write_message(struct strbuf *msgbuf, const char *filename) |
328 | { | |
329 | static struct lock_file msg_file; | |
330 | ||
331 | int msg_fd = hold_lock_file_for_update(&msg_file, filename, | |
332 | LOCK_DIE_ON_ERROR); | |
333 | if (write_in_full(msg_fd, msgbuf->buf, msgbuf->len) < 0) | |
f30f71ce | 334 | die_errno(_("Could not write to %s."), filename); |
bc84a7fb CC |
335 | strbuf_release(msgbuf); |
336 | if (commit_lock_file(&msg_file) < 0) | |
f30f71ce | 337 | die(_("Error wrapping up %s"), filename); |
bc84a7fb CC |
338 | } |
339 | ||
6eb1b437 MV |
340 | static struct tree *empty_tree(void) |
341 | { | |
342 | struct tree *tree = xcalloc(1, sizeof(struct tree)); | |
343 | ||
344 | tree->object.parsed = 1; | |
345 | tree->object.type = OBJ_TREE; | |
346 | pretend_sha1_file(NULL, 0, OBJ_TREE, tree->object.sha1); | |
347 | return tree; | |
348 | } | |
349 | ||
cf3e2486 | 350 | static int error_dirty_index(struct replay_opts *opts) |
d38a30df | 351 | { |
cf3e2486 RR |
352 | if (read_cache_unmerged()) |
353 | return error_resolve_conflict(action_name(opts)); | |
354 | ||
355 | /* Different translation strings for cherry-pick and revert */ | |
356 | if (opts->action == CHERRY_PICK) | |
357 | error(_("Your local changes would be overwritten by cherry-pick.")); | |
358 | else | |
359 | error(_("Your local changes would be overwritten by revert.")); | |
360 | ||
361 | if (advice_commit_before_merge) | |
362 | advise(_("Commit your changes or stash them to proceed.")); | |
363 | return -1; | |
d38a30df MM |
364 | } |
365 | ||
c62f6ec3 JH |
366 | static int fast_forward_to(const unsigned char *to, const unsigned char *from) |
367 | { | |
368 | struct ref_lock *ref_lock; | |
369 | ||
370 | read_cache(); | |
371 | if (checkout_fast_forward(from, to)) | |
372 | exit(1); /* the callee should have complained already */ | |
373 | ref_lock = lock_any_ref_for_update("HEAD", from, 0); | |
374 | return write_ref_sha1(ref_lock, to, "cherry-pick"); | |
375 | } | |
376 | ||
7b53b92f CC |
377 | static int do_recursive_merge(struct commit *base, struct commit *next, |
378 | const char *base_label, const char *next_label, | |
80e1f791 RR |
379 | unsigned char *head, struct strbuf *msgbuf, |
380 | struct replay_opts *opts) | |
ae8c79fd CC |
381 | { |
382 | struct merge_options o; | |
383 | struct tree *result, *next_tree, *base_tree, *head_tree; | |
384 | int clean, index_fd; | |
67ac1e1d | 385 | const char **xopt; |
ae8c79fd CC |
386 | static struct lock_file index_lock; |
387 | ||
388 | index_fd = hold_locked_index(&index_lock, 1); | |
389 | ||
390 | read_cache(); | |
7610fa57 | 391 | |
ae8c79fd CC |
392 | init_merge_options(&o); |
393 | o.ancestor = base ? base_label : "(empty tree)"; | |
394 | o.branch1 = "HEAD"; | |
395 | o.branch2 = next ? next_label : "(empty tree)"; | |
396 | ||
397 | head_tree = parse_tree_indirect(head); | |
398 | next_tree = next ? next->tree : empty_tree(); | |
399 | base_tree = base ? base->tree : empty_tree(); | |
400 | ||
80e1f791 | 401 | for (xopt = opts->xopts; xopt != opts->xopts + opts->xopts_nr; xopt++) |
67ac1e1d JN |
402 | parse_merge_opt(&o, *xopt); |
403 | ||
ae8c79fd CC |
404 | clean = merge_trees(&o, |
405 | head_tree, | |
406 | next_tree, base_tree, &result); | |
407 | ||
408 | if (active_cache_changed && | |
409 | (write_cache(index_fd, active_cache, active_nr) || | |
410 | commit_locked_index(&index_lock))) | |
b9c993e0 | 411 | /* TRANSLATORS: %s will be "revert" or "cherry-pick" */ |
80e1f791 | 412 | die(_("%s: Unable to write new index file"), action_name(opts)); |
ae8c79fd CC |
413 | rollback_lock_file(&index_lock); |
414 | ||
415 | if (!clean) { | |
416 | int i; | |
417 | strbuf_addstr(msgbuf, "\nConflicts:\n\n"); | |
418 | for (i = 0; i < active_nr;) { | |
419 | struct cache_entry *ce = active_cache[i++]; | |
420 | if (ce_stage(ce)) { | |
421 | strbuf_addch(msgbuf, '\t'); | |
422 | strbuf_addstr(msgbuf, ce->name); | |
423 | strbuf_addch(msgbuf, '\n'); | |
424 | while (i < active_nr && !strcmp(ce->name, | |
425 | active_cache[i]->name)) | |
426 | i++; | |
427 | } | |
428 | } | |
ae8c79fd | 429 | } |
7b53b92f CC |
430 | |
431 | return !clean; | |
ae8c79fd CC |
432 | } |
433 | ||
5df16453 CC |
434 | /* |
435 | * If we are cherry-pick, and if the merge did not result in | |
436 | * hand-editing, we will hit this commit and inherit the original | |
437 | * author date and name. | |
438 | * If we are revert, or if our cherry-pick results in a hand merge, | |
439 | * we had better say that the current user is responsible for that. | |
440 | */ | |
80e1f791 | 441 | static int run_git_commit(const char *defmsg, struct replay_opts *opts) |
5df16453 CC |
442 | { |
443 | /* 6 is max possible length of our args array including NULL */ | |
444 | const char *args[6]; | |
445 | int i = 0; | |
446 | ||
447 | args[i++] = "commit"; | |
448 | args[i++] = "-n"; | |
80e1f791 | 449 | if (opts->signoff) |
5df16453 | 450 | args[i++] = "-s"; |
80e1f791 | 451 | if (!opts->edit) { |
5df16453 CC |
452 | args[i++] = "-F"; |
453 | args[i++] = defmsg; | |
454 | } | |
455 | args[i] = NULL; | |
456 | ||
457 | return run_command_v_opt(args, RUN_GIT_CMD); | |
ae8c79fd CC |
458 | } |
459 | ||
80e1f791 | 460 | static int do_pick_commit(struct commit *commit, struct replay_opts *opts) |
9509af68 JS |
461 | { |
462 | unsigned char head[20]; | |
7791ecbc | 463 | struct commit *base, *next, *parent; |
bf975d37 | 464 | const char *base_label, *next_label; |
d6856540 | 465 | struct commit_message msg = { NULL, NULL, NULL, NULL, NULL }; |
28db756f | 466 | char *defmsg = NULL; |
bc84a7fb | 467 | struct strbuf msgbuf = STRBUF_INIT; |
7b53b92f | 468 | int res; |
9509af68 | 469 | |
80e1f791 | 470 | if (opts->no_commit) { |
9509af68 JS |
471 | /* |
472 | * We do not intend to commit immediately. We just want to | |
71aa2b8f JH |
473 | * merge the differences in, so let's compute the tree |
474 | * that represents the "current" state for merge-recursive | |
475 | * to work on. | |
9509af68 | 476 | */ |
45525bd0 | 477 | if (write_cache_as_tree(head, 0, NULL)) |
f30f71ce | 478 | die (_("Your index file is unmerged.")); |
9509af68 | 479 | } else { |
9509af68 | 480 | if (get_sha1("HEAD", head)) |
cf3e2486 | 481 | return error(_("You do not have a valid HEAD")); |
75f3ff2e | 482 | if (index_differs_from("HEAD", 0)) |
cf3e2486 | 483 | return error_dirty_index(opts); |
9509af68 | 484 | } |
6eb1b437 MV |
485 | discard_cache(); |
486 | ||
f95ebf74 | 487 | if (!commit->parents) { |
f95ebf74 JS |
488 | parent = NULL; |
489 | } | |
490 | else if (commit->parents->next) { | |
7791ecbc JH |
491 | /* Reverting or cherry-picking a merge commit */ |
492 | int cnt; | |
493 | struct commit_list *p; | |
494 | ||
80e1f791 | 495 | if (!opts->mainline) |
cf3e2486 RR |
496 | return error(_("Commit %s is a merge but no -m option was given."), |
497 | sha1_to_hex(commit->object.sha1)); | |
7791ecbc JH |
498 | |
499 | for (cnt = 1, p = commit->parents; | |
80e1f791 | 500 | cnt != opts->mainline && p; |
7791ecbc JH |
501 | cnt++) |
502 | p = p->next; | |
80e1f791 | 503 | if (cnt != opts->mainline || !p) |
cf3e2486 RR |
504 | return error(_("Commit %s does not have parent %d"), |
505 | sha1_to_hex(commit->object.sha1), opts->mainline); | |
7791ecbc | 506 | parent = p->item; |
80e1f791 | 507 | } else if (0 < opts->mainline) |
cf3e2486 RR |
508 | return error(_("Mainline was specified but commit %s is not a merge."), |
509 | sha1_to_hex(commit->object.sha1)); | |
7791ecbc JH |
510 | else |
511 | parent = commit->parents->item; | |
512 | ||
80e1f791 | 513 | if (opts->allow_ff && parent && !hashcmp(parent->object.sha1, head)) |
c62f6ec3 JH |
514 | return fast_forward_to(commit->object.sha1, head); |
515 | ||
6eb1b437 | 516 | if (parent && parse_commit(parent) < 0) |
b9c993e0 ÆAB |
517 | /* TRANSLATORS: The first %s will be "revert" or |
518 | "cherry-pick", the second %s a SHA1 */ | |
cf3e2486 RR |
519 | return error(_("%s: cannot parse parent commit %s"), |
520 | action_name(opts), sha1_to_hex(parent->object.sha1)); | |
6eb1b437 | 521 | |
708f9d96 | 522 | if (get_message(commit, &msg) != 0) |
cf3e2486 RR |
523 | return error(_("Cannot get commit message for %s"), |
524 | sha1_to_hex(commit->object.sha1)); | |
d6856540 | 525 | |
9509af68 JS |
526 | /* |
527 | * "commit" is an existing commit. We would want to apply | |
528 | * the difference it introduces since its first parent "prev" | |
529 | * on top of the current HEAD if we are cherry-pick. Or the | |
530 | * reverse of it if we are revert. | |
531 | */ | |
532 | ||
28db756f | 533 | defmsg = git_pathdup("MERGE_MSG"); |
c62f6ec3 | 534 | |
80e1f791 | 535 | if (opts->action == REVERT) { |
9509af68 | 536 | base = commit; |
bf975d37 | 537 | base_label = msg.label; |
7791ecbc | 538 | next = parent; |
d6856540 | 539 | next_label = msg.parent_label; |
bc84a7fb CC |
540 | strbuf_addstr(&msgbuf, "Revert \""); |
541 | strbuf_addstr(&msgbuf, msg.subject); | |
542 | strbuf_addstr(&msgbuf, "\"\n\nThis reverts commit "); | |
543 | strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1)); | |
d5be89d8 | 544 | |
fad26526 | 545 | if (commit->parents && commit->parents->next) { |
bc84a7fb CC |
546 | strbuf_addstr(&msgbuf, ", reversing\nchanges made to "); |
547 | strbuf_addstr(&msgbuf, sha1_to_hex(parent->object.sha1)); | |
d5be89d8 | 548 | } |
bc84a7fb | 549 | strbuf_addstr(&msgbuf, ".\n"); |
9509af68 | 550 | } else { |
be33c46c RR |
551 | const char *p; |
552 | ||
7791ecbc | 553 | base = parent; |
bf975d37 | 554 | base_label = msg.parent_label; |
9509af68 | 555 | next = commit; |
d6856540 | 556 | next_label = msg.label; |
be33c46c RR |
557 | |
558 | /* | |
559 | * Append the commit log message to msgbuf; it starts | |
560 | * after the tree, parent, author, committer | |
561 | * information followed by "\n\n". | |
562 | */ | |
563 | p = strstr(msg.message, "\n\n"); | |
564 | if (p) { | |
565 | p += 2; | |
566 | strbuf_addstr(&msgbuf, p); | |
567 | } | |
568 | ||
80e1f791 | 569 | if (opts->record_origin) { |
bc84a7fb CC |
570 | strbuf_addstr(&msgbuf, "(cherry picked from commit "); |
571 | strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1)); | |
572 | strbuf_addstr(&msgbuf, ")\n"); | |
9509af68 | 573 | } |
80e1f791 | 574 | if (!opts->no_commit) |
708f9d96 | 575 | write_cherry_pick_head(commit); |
9509af68 | 576 | } |
9509af68 | 577 | |
80e1f791 | 578 | if (!opts->strategy || !strcmp(opts->strategy, "recursive") || opts->action == REVERT) { |
7b53b92f | 579 | res = do_recursive_merge(base, next, base_label, next_label, |
80e1f791 | 580 | head, &msgbuf, opts); |
7b53b92f CC |
581 | write_message(&msgbuf, defmsg); |
582 | } else { | |
91e52598 CC |
583 | struct commit_list *common = NULL; |
584 | struct commit_list *remotes = NULL; | |
7b53b92f | 585 | |
91e52598 | 586 | write_message(&msgbuf, defmsg); |
7b53b92f | 587 | |
91e52598 CC |
588 | commit_list_insert(base, &common); |
589 | commit_list_insert(next, &remotes); | |
80e1f791 RR |
590 | res = try_merge_command(opts->strategy, opts->xopts_nr, opts->xopts, |
591 | common, sha1_to_hex(head), remotes); | |
91e52598 CC |
592 | free_commit_list(common); |
593 | free_commit_list(remotes); | |
9509af68 | 594 | } |
9509af68 | 595 | |
7b53b92f | 596 | if (res) { |
80e1f791 | 597 | error(opts->action == REVERT |
cb6aeb22 ÆAB |
598 | ? _("could not revert %s... %s") |
599 | : _("could not apply %s... %s"), | |
981ff5c3 JN |
600 | find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV), |
601 | msg.subject); | |
314eeb6e | 602 | print_advice(); |
80e1f791 | 603 | rerere(opts->allow_rerere_auto); |
7b53b92f | 604 | } else { |
80e1f791 RR |
605 | if (!opts->no_commit) |
606 | res = run_git_commit(defmsg, opts); | |
9509af68 | 607 | } |
2fb0e14f | 608 | |
2fb0e14f | 609 | free_message(&msg); |
d258b258 | 610 | free(defmsg); |
9509af68 | 611 | |
3b2c5b6d | 612 | return res; |
9509af68 JS |
613 | } |
614 | ||
80e1f791 | 615 | static void prepare_revs(struct rev_info *revs, struct replay_opts *opts) |
7e2bfd3f | 616 | { |
e0ef8495 | 617 | int argc; |
7e2bfd3f | 618 | |
e0ef8495 JN |
619 | init_revisions(revs, NULL); |
620 | revs->no_walk = 1; | |
80e1f791 | 621 | if (opts->action != REVERT) |
e0ef8495 JN |
622 | revs->reverse = 1; |
623 | ||
80e1f791 | 624 | argc = setup_revisions(opts->commit_argc, opts->commit_argv, revs, NULL); |
e0ef8495 | 625 | if (argc > 1) |
80e1f791 | 626 | usage(*revert_or_cherry_pick_usage(opts)); |
7e2bfd3f | 627 | |
7e2bfd3f | 628 | if (prepare_revision_walk(revs)) |
f30f71ce | 629 | die(_("revision walk setup failed")); |
7e2bfd3f CC |
630 | |
631 | if (!revs->commits) | |
f30f71ce | 632 | die(_("empty commit set passed")); |
7e2bfd3f CC |
633 | } |
634 | ||
80e1f791 | 635 | static void read_and_refresh_cache(struct replay_opts *opts) |
f6ce1f25 JN |
636 | { |
637 | static struct lock_file index_lock; | |
638 | int index_fd = hold_locked_index(&index_lock, 0); | |
639 | if (read_index_preload(&the_index, NULL) < 0) | |
80e1f791 | 640 | die(_("git %s: failed to read the index"), action_name(opts)); |
f6ce1f25 JN |
641 | refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, NULL, NULL, NULL); |
642 | if (the_index.cache_changed) { | |
643 | if (write_index(&the_index, index_fd) || | |
644 | commit_locked_index(&index_lock)) | |
80e1f791 | 645 | die(_("git %s: failed to refresh the index"), action_name(opts)); |
f6ce1f25 JN |
646 | } |
647 | rollback_lock_file(&index_lock); | |
648 | } | |
649 | ||
04d3d3cf RR |
650 | /* |
651 | * Append a commit to the end of the commit_list. | |
652 | * | |
653 | * next starts by pointing to the variable that holds the head of an | |
654 | * empty commit_list, and is updated to point to the "next" field of | |
655 | * the last item on the list as new commits are appended. | |
656 | * | |
657 | * Usage example: | |
658 | * | |
659 | * struct commit_list *list; | |
660 | * struct commit_list **next = &list; | |
661 | * | |
662 | * next = commit_list_append(c1, next); | |
663 | * next = commit_list_append(c2, next); | |
664 | * assert(commit_list_count(list) == 2); | |
665 | * return list; | |
666 | */ | |
667 | struct commit_list **commit_list_append(struct commit *commit, | |
668 | struct commit_list **next) | |
669 | { | |
670 | struct commit_list *new = xmalloc(sizeof(struct commit_list)); | |
671 | new->item = commit; | |
672 | *next = new; | |
673 | new->next = NULL; | |
674 | return &new->next; | |
675 | } | |
676 | ||
677 | static int format_todo(struct strbuf *buf, struct commit_list *todo_list, | |
678 | struct replay_opts *opts) | |
679 | { | |
680 | struct commit_list *cur = NULL; | |
681 | struct commit_message msg = { NULL, NULL, NULL, NULL, NULL }; | |
682 | const char *sha1_abbrev = NULL; | |
683 | const char *action_str = opts->action == REVERT ? "revert" : "pick"; | |
684 | ||
685 | for (cur = todo_list; cur; cur = cur->next) { | |
686 | sha1_abbrev = find_unique_abbrev(cur->item->object.sha1, DEFAULT_ABBREV); | |
687 | if (get_message(cur->item, &msg)) | |
688 | return error(_("Cannot get commit message for %s"), sha1_abbrev); | |
689 | strbuf_addf(buf, "%s %s %s\n", action_str, sha1_abbrev, msg.subject); | |
690 | } | |
691 | return 0; | |
692 | } | |
693 | ||
5a5d80f4 RR |
694 | static struct commit *parse_insn_line(char *start, struct replay_opts *opts) |
695 | { | |
696 | unsigned char commit_sha1[20]; | |
697 | char sha1_abbrev[40]; | |
698 | enum replay_action action; | |
699 | int insn_len = 0; | |
700 | char *p, *q; | |
701 | ||
702 | if (!prefixcmp(start, "pick ")) { | |
703 | action = CHERRY_PICK; | |
704 | insn_len = strlen("pick"); | |
705 | p = start + insn_len + 1; | |
706 | } else if (!prefixcmp(start, "revert ")) { | |
707 | action = REVERT; | |
708 | insn_len = strlen("revert"); | |
709 | p = start + insn_len + 1; | |
710 | } else | |
711 | return NULL; | |
712 | ||
713 | q = strchr(p, ' '); | |
714 | if (!q) | |
715 | return NULL; | |
716 | q++; | |
717 | ||
718 | strlcpy(sha1_abbrev, p, q - p); | |
719 | ||
720 | /* | |
721 | * Verify that the action matches up with the one in | |
722 | * opts; we don't support arbitrary instructions | |
723 | */ | |
724 | if (action != opts->action) { | |
725 | const char *action_str; | |
726 | action_str = action == REVERT ? "revert" : "cherry-pick"; | |
727 | error(_("Cannot %s during a %s"), action_str, action_name(opts)); | |
728 | return NULL; | |
729 | } | |
730 | ||
731 | if (get_sha1(sha1_abbrev, commit_sha1) < 0) | |
732 | return NULL; | |
733 | ||
734 | return lookup_commit_reference(commit_sha1); | |
735 | } | |
736 | ||
737 | static int parse_insn_buffer(char *buf, struct commit_list **todo_list, | |
738 | struct replay_opts *opts) | |
739 | { | |
740 | struct commit_list **next = todo_list; | |
741 | struct commit *commit; | |
742 | char *p = buf; | |
743 | int i; | |
744 | ||
745 | for (i = 1; *p; i++) { | |
746 | commit = parse_insn_line(p, opts); | |
747 | if (!commit) | |
748 | return error(_("Could not parse line %d."), i); | |
749 | next = commit_list_append(commit, next); | |
750 | p = strchrnul(p, '\n'); | |
751 | if (*p) | |
752 | p++; | |
753 | } | |
754 | if (!*todo_list) | |
755 | return error(_("No commits parsed.")); | |
756 | return 0; | |
757 | } | |
758 | ||
759 | static void read_populate_todo(struct commit_list **todo_list, | |
760 | struct replay_opts *opts) | |
761 | { | |
762 | const char *todo_file = git_path(SEQ_TODO_FILE); | |
763 | struct strbuf buf = STRBUF_INIT; | |
764 | int fd, res; | |
765 | ||
766 | fd = open(todo_file, O_RDONLY); | |
767 | if (fd < 0) | |
768 | die_errno(_("Could not open %s."), todo_file); | |
769 | if (strbuf_read(&buf, fd, 0) < 0) { | |
770 | close(fd); | |
771 | strbuf_release(&buf); | |
772 | die(_("Could not read %s."), todo_file); | |
773 | } | |
774 | close(fd); | |
775 | ||
776 | res = parse_insn_buffer(buf.buf, todo_list, opts); | |
777 | strbuf_release(&buf); | |
778 | if (res) | |
779 | die(_("Unusable instruction sheet: %s"), todo_file); | |
780 | } | |
781 | ||
782 | static int populate_opts_cb(const char *key, const char *value, void *data) | |
783 | { | |
784 | struct replay_opts *opts = data; | |
785 | int error_flag = 1; | |
786 | ||
787 | if (!value) | |
788 | error_flag = 0; | |
789 | else if (!strcmp(key, "options.no-commit")) | |
790 | opts->no_commit = git_config_bool_or_int(key, value, &error_flag); | |
791 | else if (!strcmp(key, "options.edit")) | |
792 | opts->edit = git_config_bool_or_int(key, value, &error_flag); | |
793 | else if (!strcmp(key, "options.signoff")) | |
794 | opts->signoff = git_config_bool_or_int(key, value, &error_flag); | |
795 | else if (!strcmp(key, "options.record-origin")) | |
796 | opts->record_origin = git_config_bool_or_int(key, value, &error_flag); | |
797 | else if (!strcmp(key, "options.allow-ff")) | |
798 | opts->allow_ff = git_config_bool_or_int(key, value, &error_flag); | |
799 | else if (!strcmp(key, "options.mainline")) | |
800 | opts->mainline = git_config_int(key, value); | |
801 | else if (!strcmp(key, "options.strategy")) | |
802 | git_config_string(&opts->strategy, key, value); | |
803 | else if (!strcmp(key, "options.strategy-option")) { | |
804 | ALLOC_GROW(opts->xopts, opts->xopts_nr + 1, opts->xopts_alloc); | |
805 | opts->xopts[opts->xopts_nr++] = xstrdup(value); | |
806 | } else | |
807 | return error(_("Invalid key: %s"), key); | |
808 | ||
809 | if (!error_flag) | |
810 | return error(_("Invalid value for %s: %s"), key, value); | |
811 | ||
812 | return 0; | |
813 | } | |
814 | ||
815 | static void read_populate_opts(struct replay_opts **opts_ptr) | |
816 | { | |
817 | const char *opts_file = git_path(SEQ_OPTS_FILE); | |
818 | ||
819 | if (!file_exists(opts_file)) | |
820 | return; | |
821 | if (git_config_from_file(populate_opts_cb, opts_file, *opts_ptr) < 0) | |
822 | die(_("Malformed options sheet: %s"), opts_file); | |
823 | } | |
824 | ||
04d3d3cf RR |
825 | static void walk_revs_populate_todo(struct commit_list **todo_list, |
826 | struct replay_opts *opts) | |
7af46595 | 827 | { |
7e2bfd3f | 828 | struct rev_info revs; |
708f9d96 | 829 | struct commit *commit; |
04d3d3cf RR |
830 | struct commit_list **next; |
831 | ||
832 | prepare_revs(&revs, opts); | |
833 | ||
834 | next = todo_list; | |
835 | while ((commit = get_revision(&revs))) | |
836 | next = commit_list_append(commit, next); | |
837 | } | |
838 | ||
21afd080 | 839 | static int create_seq_dir(void) |
04d3d3cf RR |
840 | { |
841 | const char *seq_dir = git_path(SEQ_DIR); | |
842 | ||
21afd080 RR |
843 | if (file_exists(seq_dir)) |
844 | return error(_("%s already exists."), seq_dir); | |
845 | else if (mkdir(seq_dir, 0777) < 0) | |
04d3d3cf | 846 | die_errno(_("Could not create sequencer directory '%s'."), seq_dir); |
21afd080 | 847 | return 0; |
04d3d3cf RR |
848 | } |
849 | ||
850 | static void save_head(const char *head) | |
851 | { | |
852 | const char *head_file = git_path(SEQ_HEAD_FILE); | |
853 | static struct lock_file head_lock; | |
854 | struct strbuf buf = STRBUF_INIT; | |
855 | int fd; | |
856 | ||
857 | fd = hold_lock_file_for_update(&head_lock, head_file, LOCK_DIE_ON_ERROR); | |
858 | strbuf_addf(&buf, "%s\n", head); | |
859 | if (write_in_full(fd, buf.buf, buf.len) < 0) | |
860 | die_errno(_("Could not write to %s."), head_file); | |
861 | if (commit_lock_file(&head_lock) < 0) | |
862 | die(_("Error wrapping up %s."), head_file); | |
863 | } | |
864 | ||
865 | static void save_todo(struct commit_list *todo_list, struct replay_opts *opts) | |
866 | { | |
867 | const char *todo_file = git_path(SEQ_TODO_FILE); | |
868 | static struct lock_file todo_lock; | |
869 | struct strbuf buf = STRBUF_INIT; | |
870 | int fd; | |
871 | ||
872 | fd = hold_lock_file_for_update(&todo_lock, todo_file, LOCK_DIE_ON_ERROR); | |
873 | if (format_todo(&buf, todo_list, opts) < 0) | |
874 | die(_("Could not format %s."), todo_file); | |
875 | if (write_in_full(fd, buf.buf, buf.len) < 0) { | |
876 | strbuf_release(&buf); | |
877 | die_errno(_("Could not write to %s."), todo_file); | |
878 | } | |
879 | if (commit_lock_file(&todo_lock) < 0) { | |
880 | strbuf_release(&buf); | |
881 | die(_("Error wrapping up %s."), todo_file); | |
882 | } | |
883 | strbuf_release(&buf); | |
884 | } | |
885 | ||
6f032263 RR |
886 | static void save_opts(struct replay_opts *opts) |
887 | { | |
888 | const char *opts_file = git_path(SEQ_OPTS_FILE); | |
889 | ||
890 | if (opts->no_commit) | |
891 | git_config_set_in_file(opts_file, "options.no-commit", "true"); | |
892 | if (opts->edit) | |
893 | git_config_set_in_file(opts_file, "options.edit", "true"); | |
894 | if (opts->signoff) | |
895 | git_config_set_in_file(opts_file, "options.signoff", "true"); | |
896 | if (opts->record_origin) | |
897 | git_config_set_in_file(opts_file, "options.record-origin", "true"); | |
898 | if (opts->allow_ff) | |
899 | git_config_set_in_file(opts_file, "options.allow-ff", "true"); | |
900 | if (opts->mainline) { | |
901 | struct strbuf buf = STRBUF_INIT; | |
902 | strbuf_addf(&buf, "%d", opts->mainline); | |
903 | git_config_set_in_file(opts_file, "options.mainline", buf.buf); | |
904 | strbuf_release(&buf); | |
905 | } | |
906 | if (opts->strategy) | |
907 | git_config_set_in_file(opts_file, "options.strategy", opts->strategy); | |
908 | if (opts->xopts) { | |
909 | int i; | |
910 | for (i = 0; i < opts->xopts_nr; i++) | |
911 | git_config_set_multivar_in_file(opts_file, | |
912 | "options.strategy-option", | |
913 | opts->xopts[i], "^$", 0); | |
914 | } | |
915 | } | |
916 | ||
21b14778 | 917 | static int pick_commits(struct commit_list *todo_list, struct replay_opts *opts) |
04d3d3cf | 918 | { |
04d3d3cf RR |
919 | struct commit_list *cur; |
920 | int res; | |
7e2bfd3f | 921 | |
80e1f791 | 922 | setenv(GIT_REFLOG_ACTION, action_name(opts), 0); |
9044143f RR |
923 | if (opts->allow_ff) |
924 | assert(!(opts->signoff || opts->no_commit || | |
925 | opts->record_origin || opts->edit)); | |
80e1f791 | 926 | read_and_refresh_cache(opts); |
7af46595 | 927 | |
04d3d3cf RR |
928 | for (cur = todo_list; cur; cur = cur->next) { |
929 | save_todo(cur, opts); | |
930 | res = do_pick_commit(cur->item, opts); | |
2d27daa9 RR |
931 | if (res) { |
932 | if (!cur->next) | |
933 | /* | |
934 | * An error was encountered while | |
935 | * picking the last commit; the | |
936 | * sequencer state is useless now -- | |
937 | * the user simply needs to resolve | |
938 | * the conflict and commit | |
939 | */ | |
940 | remove_sequencer_state(0); | |
7e2bfd3f | 941 | return res; |
2d27daa9 | 942 | } |
7e2bfd3f CC |
943 | } |
944 | ||
04d3d3cf RR |
945 | /* |
946 | * Sequence of picks finished successfully; cleanup by | |
947 | * removing the .git/sequencer directory | |
948 | */ | |
26ae337b | 949 | remove_sequencer_state(1); |
7e2bfd3f | 950 | return 0; |
7af46595 CC |
951 | } |
952 | ||
21b14778 RR |
953 | static int pick_revisions(struct replay_opts *opts) |
954 | { | |
955 | struct commit_list *todo_list = NULL; | |
956 | unsigned char sha1[20]; | |
957 | ||
958 | read_and_refresh_cache(opts); | |
959 | ||
960 | /* | |
961 | * Decide what to do depending on the arguments; a fresh | |
962 | * cherry-pick should be handled differently from an existing | |
963 | * one that is being continued | |
964 | */ | |
26ae337b RR |
965 | if (opts->subcommand == REPLAY_RESET) { |
966 | remove_sequencer_state(1); | |
967 | return 0; | |
5a5d80f4 RR |
968 | } else if (opts->subcommand == REPLAY_CONTINUE) { |
969 | if (!file_exists(git_path(SEQ_TODO_FILE))) | |
970 | goto error; | |
971 | read_populate_opts(&opts); | |
972 | read_populate_todo(&todo_list, opts); | |
973 | ||
974 | /* Verify that the conflict has been resolved */ | |
975 | if (!index_differs_from("HEAD", 0)) | |
976 | todo_list = todo_list->next; | |
26ae337b | 977 | } else { |
21afd080 RR |
978 | /* |
979 | * Start a new cherry-pick/ revert sequence; but | |
980 | * first, make sure that an existing one isn't in | |
981 | * progress | |
982 | */ | |
983 | ||
26ae337b | 984 | walk_revs_populate_todo(&todo_list, opts); |
21afd080 | 985 | if (create_seq_dir() < 0) { |
cf3e2486 | 986 | error(_("A cherry-pick or revert is in progress.")); |
5a5d80f4 RR |
987 | advise(_("Use --continue to continue the operation")); |
988 | advise(_("or --reset to forget about it")); | |
cf3e2486 | 989 | return -1; |
21afd080 | 990 | } |
26ae337b RR |
991 | if (get_sha1("HEAD", sha1)) { |
992 | if (opts->action == REVERT) | |
cf3e2486 RR |
993 | return error(_("Can't revert as initial commit")); |
994 | return error(_("Can't cherry-pick into empty head")); | |
26ae337b RR |
995 | } |
996 | save_head(sha1_to_hex(sha1)); | |
997 | save_opts(opts); | |
21b14778 | 998 | } |
21b14778 | 999 | return pick_commits(todo_list, opts); |
5a5d80f4 | 1000 | error: |
cf3e2486 | 1001 | return error(_("No %s in progress"), action_name(opts)); |
21b14778 RR |
1002 | } |
1003 | ||
9509af68 JS |
1004 | int cmd_revert(int argc, const char **argv, const char *prefix) |
1005 | { | |
80e1f791 | 1006 | struct replay_opts opts; |
cf3e2486 | 1007 | int res; |
80e1f791 RR |
1008 | |
1009 | memset(&opts, 0, sizeof(opts)); | |
9509af68 | 1010 | if (isatty(0)) |
80e1f791 RR |
1011 | opts.edit = 1; |
1012 | opts.action = REVERT; | |
89641472 RR |
1013 | git_config(git_default_config, NULL); |
1014 | parse_args(argc, argv, &opts); | |
cf3e2486 RR |
1015 | res = pick_revisions(&opts); |
1016 | if (res < 0) | |
1017 | die(_("revert failed")); | |
1018 | return res; | |
9509af68 JS |
1019 | } |
1020 | ||
1021 | int cmd_cherry_pick(int argc, const char **argv, const char *prefix) | |
1022 | { | |
80e1f791 | 1023 | struct replay_opts opts; |
cf3e2486 | 1024 | int res; |
80e1f791 RR |
1025 | |
1026 | memset(&opts, 0, sizeof(opts)); | |
1027 | opts.action = CHERRY_PICK; | |
89641472 RR |
1028 | git_config(git_default_config, NULL); |
1029 | parse_args(argc, argv, &opts); | |
cf3e2486 RR |
1030 | res = pick_revisions(&opts); |
1031 | if (res < 0) | |
1032 | die(_("cherry-pick failed")); | |
1033 | return res; | |
9509af68 | 1034 | } |