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Commit | Line | Data |
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f5bbc322 KH |
1 | /* |
2 | * Builtin "git commit" | |
3 | * | |
4 | * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com> | |
5 | * Based on git-commit.sh by Junio C Hamano and Linus Torvalds | |
6 | */ | |
7 | ||
8 | #include "cache.h" | |
9 | #include "cache-tree.h" | |
6b2f2d98 | 10 | #include "color.h" |
2888605c | 11 | #include "dir.h" |
f5bbc322 KH |
12 | #include "builtin.h" |
13 | #include "diff.h" | |
14 | #include "diffcore.h" | |
15 | #include "commit.h" | |
16 | #include "revision.h" | |
17 | #include "wt-status.h" | |
18 | #include "run-command.h" | |
19 | #include "refs.h" | |
20 | #include "log-tree.h" | |
21 | #include "strbuf.h" | |
22 | #include "utf8.h" | |
23 | #include "parse-options.h" | |
c455c87c | 24 | #include "string-list.h" |
5b2fd956 | 25 | #include "rerere.h" |
fa9dcf80 | 26 | #include "unpack-trees.h" |
f5bbc322 KH |
27 | |
28 | static const char * const builtin_commit_usage[] = { | |
1b1dd23f | 29 | "git commit [options] [--] <filepattern>...", |
f5bbc322 KH |
30 | NULL |
31 | }; | |
32 | ||
2f02b25f | 33 | static const char * const builtin_status_usage[] = { |
1b1dd23f | 34 | "git status [options] [--] <filepattern>...", |
2f02b25f SB |
35 | NULL |
36 | }; | |
37 | ||
f5bbc322 KH |
38 | static unsigned char head_sha1[20], merge_head_sha1[20]; |
39 | static char *use_message_buffer; | |
40 | static const char commit_editmsg[] = "COMMIT_EDITMSG"; | |
2888605c JH |
41 | static struct lock_file index_lock; /* real index */ |
42 | static struct lock_file false_lock; /* used only for partial commits */ | |
43 | static enum { | |
44 | COMMIT_AS_IS = 1, | |
45 | COMMIT_NORMAL, | |
46 | COMMIT_PARTIAL, | |
47 | } commit_style; | |
f5bbc322 | 48 | |
dbd0f5c7 | 49 | static const char *logfile, *force_author; |
984c6e7e | 50 | static const char *template_file; |
f5bbc322 | 51 | static char *edit_message, *use_message; |
e83dbe80 | 52 | static char *author_name, *author_email, *author_date; |
f5bbc322 | 53 | static int all, edit_flag, also, interactive, only, amend, signoff; |
c51f6cee | 54 | static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship; |
4bfee30a | 55 | static char *untracked_files_arg; |
5f065737 AR |
56 | /* |
57 | * The default commit message cleanup mode will remove the lines | |
58 | * beginning with # (shell comments) and leading and trailing | |
59 | * whitespaces (empty lines or containing only whitespaces) | |
60 | * if editor is used, and only the whitespaces if the message | |
61 | * is specified explicitly. | |
62 | */ | |
63 | static enum { | |
64 | CLEANUP_SPACE, | |
65 | CLEANUP_NONE, | |
66 | CLEANUP_ALL, | |
67 | } cleanup_mode; | |
68 | static char *cleanup_arg; | |
f5bbc322 | 69 | |
4803466f | 70 | static int use_editor = 1, initial_commit, in_merge; |
3b6aeb3c JS |
71 | static const char *only_include_assumed; |
72 | static struct strbuf message; | |
f9568530 JS |
73 | |
74 | static int opt_parse_m(const struct option *opt, const char *arg, int unset) | |
75 | { | |
76 | struct strbuf *buf = opt->value; | |
77 | if (unset) | |
78 | strbuf_setlen(buf, 0); | |
79 | else { | |
80 | strbuf_addstr(buf, arg); | |
3b6aeb3c | 81 | strbuf_addstr(buf, "\n\n"); |
f9568530 JS |
82 | } |
83 | return 0; | |
84 | } | |
f5bbc322 KH |
85 | |
86 | static struct option builtin_commit_options[] = { | |
87 | OPT__QUIET(&quiet), | |
88 | OPT__VERBOSE(&verbose), | |
f5bbc322 | 89 | |
e97ca7f4 | 90 | OPT_GROUP("Commit message options"), |
df217ed6 | 91 | OPT_FILENAME('F', "file", &logfile, "read log from file"), |
f5bbc322 | 92 | OPT_STRING(0, "author", &force_author, "AUTHOR", "override author for commit"), |
f9568530 | 93 | OPT_CALLBACK('m', "message", &message, "MESSAGE", "specify commit message", opt_parse_m), |
c51f6cee | 94 | OPT_STRING('c', "reedit-message", &edit_message, "COMMIT", "reuse and edit message from specified commit"), |
f5bbc322 | 95 | OPT_STRING('C', "reuse-message", &use_message, "COMMIT", "reuse message from specified commit"), |
c51f6cee | 96 | OPT_BOOLEAN(0, "reset-author", &renew_authorship, "the commit is authored by me now (used with -C-c/--amend)"), |
362b0dd5 | 97 | OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"), |
df217ed6 | 98 | OPT_FILENAME('t', "template", &template_file, "use specified template file"), |
f5bbc322 | 99 | OPT_BOOLEAN('e', "edit", &edit_flag, "force edit of commit"), |
e97ca7f4 GP |
100 | OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"), |
101 | /* end commit message options */ | |
f5bbc322 KH |
102 | |
103 | OPT_GROUP("Commit contents options"), | |
104 | OPT_BOOLEAN('a', "all", &all, "commit all changed files"), | |
105 | OPT_BOOLEAN('i', "include", &also, "add specified files to index for commit"), | |
106 | OPT_BOOLEAN(0, "interactive", &interactive, "interactively add files"), | |
d4ba07ca | 107 | OPT_BOOLEAN('o', "only", &only, "commit only specified files"), |
f5bbc322 | 108 | OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"), |
3a5d13a3 | 109 | OPT_BOOLEAN(0, "dry-run", &dry_run, "show what would be committed"), |
f5bbc322 | 110 | OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"), |
6c2ce048 | 111 | { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no. (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, |
5241b6bf | 112 | OPT_BOOLEAN(0, "allow-empty", &allow_empty, "ok to record an empty change"), |
e97ca7f4 | 113 | /* end commit contents options */ |
f5bbc322 KH |
114 | |
115 | OPT_END() | |
116 | }; | |
117 | ||
2888605c JH |
118 | static void rollback_index_files(void) |
119 | { | |
120 | switch (commit_style) { | |
121 | case COMMIT_AS_IS: | |
122 | break; /* nothing to do */ | |
123 | case COMMIT_NORMAL: | |
124 | rollback_lock_file(&index_lock); | |
125 | break; | |
126 | case COMMIT_PARTIAL: | |
127 | rollback_lock_file(&index_lock); | |
128 | rollback_lock_file(&false_lock); | |
129 | break; | |
130 | } | |
131 | } | |
132 | ||
5a9dd399 | 133 | static int commit_index_files(void) |
2888605c | 134 | { |
5a9dd399 BC |
135 | int err = 0; |
136 | ||
2888605c JH |
137 | switch (commit_style) { |
138 | case COMMIT_AS_IS: | |
139 | break; /* nothing to do */ | |
140 | case COMMIT_NORMAL: | |
5a9dd399 | 141 | err = commit_lock_file(&index_lock); |
2888605c JH |
142 | break; |
143 | case COMMIT_PARTIAL: | |
5a9dd399 | 144 | err = commit_lock_file(&index_lock); |
2888605c JH |
145 | rollback_lock_file(&false_lock); |
146 | break; | |
147 | } | |
5a9dd399 BC |
148 | |
149 | return err; | |
2888605c JH |
150 | } |
151 | ||
152 | /* | |
153 | * Take a union of paths in the index and the named tree (typically, "HEAD"), | |
154 | * and return the paths that match the given pattern in list. | |
155 | */ | |
c455c87c | 156 | static int list_paths(struct string_list *list, const char *with_tree, |
2888605c JH |
157 | const char *prefix, const char **pattern) |
158 | { | |
159 | int i; | |
160 | char *m; | |
161 | ||
162 | for (i = 0; pattern[i]; i++) | |
163 | ; | |
164 | m = xcalloc(1, i); | |
165 | ||
166 | if (with_tree) | |
167 | overlay_tree_on_cache(with_tree, prefix); | |
168 | ||
169 | for (i = 0; i < active_nr; i++) { | |
170 | struct cache_entry *ce = active_cache[i]; | |
7a51ed66 | 171 | if (ce->ce_flags & CE_UPDATE) |
e87e22d0 | 172 | continue; |
0b50922a | 173 | if (!match_pathspec(pattern, ce->name, ce_namelen(ce), 0, m)) |
2888605c | 174 | continue; |
c455c87c | 175 | string_list_insert(ce->name, list); |
2888605c JH |
176 | } |
177 | ||
178 | return report_path_error(m, pattern, prefix ? strlen(prefix) : 0); | |
179 | } | |
180 | ||
c455c87c | 181 | static void add_remove_files(struct string_list *list) |
2888605c JH |
182 | { |
183 | int i; | |
184 | for (i = 0; i < list->nr; i++) { | |
d177cab0 | 185 | struct stat st; |
c455c87c | 186 | struct string_list_item *p = &(list->items[i]); |
d177cab0 | 187 | |
c455c87c JS |
188 | if (!lstat(p->string, &st)) { |
189 | if (add_to_cache(p->string, &st, 0)) | |
960b8ad1 AR |
190 | die("updating files failed"); |
191 | } else | |
c455c87c | 192 | remove_file_from_cache(p->string); |
2888605c JH |
193 | } |
194 | } | |
195 | ||
fa9dcf80 LT |
196 | static void create_base_index(void) |
197 | { | |
198 | struct tree *tree; | |
199 | struct unpack_trees_options opts; | |
200 | struct tree_desc t; | |
201 | ||
202 | if (initial_commit) { | |
203 | discard_cache(); | |
204 | return; | |
205 | } | |
206 | ||
207 | memset(&opts, 0, sizeof(opts)); | |
208 | opts.head_idx = 1; | |
209 | opts.index_only = 1; | |
210 | opts.merge = 1; | |
34110cd4 LT |
211 | opts.src_index = &the_index; |
212 | opts.dst_index = &the_index; | |
fa9dcf80 LT |
213 | |
214 | opts.fn = oneway_merge; | |
215 | tree = parse_tree_indirect(head_sha1); | |
216 | if (!tree) | |
217 | die("failed to unpack HEAD tree object"); | |
218 | parse_tree(tree); | |
219 | init_tree_desc(&t, tree->buffer, tree->size); | |
203a2fe1 DB |
220 | if (unpack_trees(1, &t, &opts)) |
221 | exit(128); /* We've already reported the error, finish dying */ | |
fa9dcf80 LT |
222 | } |
223 | ||
50b7e70f | 224 | static char *prepare_index(int argc, const char **argv, const char *prefix, int is_status) |
f5bbc322 KH |
225 | { |
226 | int fd; | |
c455c87c | 227 | struct string_list partial; |
2888605c | 228 | const char **pathspec = NULL; |
50b7e70f | 229 | int refresh_flags = REFRESH_QUIET; |
f5bbc322 | 230 | |
50b7e70f JH |
231 | if (is_status) |
232 | refresh_flags |= REFRESH_UNMERGED; | |
f5bbc322 | 233 | if (interactive) { |
4f6a32f8 JK |
234 | if (interactive_add(argc, argv, prefix) != 0) |
235 | die("interactive add failed"); | |
671c9b7e | 236 | if (read_cache_preload(NULL) < 0) |
d5350fd2 | 237 | die("index file corrupt"); |
2888605c | 238 | commit_style = COMMIT_AS_IS; |
f5bbc322 KH |
239 | return get_index_file(); |
240 | } | |
241 | ||
f64fe7b4 JH |
242 | if (*argv) |
243 | pathspec = get_pathspec(prefix, argv); | |
2888605c | 244 | |
671c9b7e LT |
245 | if (read_cache_preload(pathspec) < 0) |
246 | die("index file corrupt"); | |
247 | ||
2888605c JH |
248 | /* |
249 | * Non partial, non as-is commit. | |
250 | * | |
251 | * (1) get the real index; | |
252 | * (2) update the_index as necessary; | |
253 | * (3) write the_index out to the real index (still locked); | |
254 | * (4) return the name of the locked index file. | |
255 | * | |
256 | * The caller should run hooks on the locked real index, and | |
257 | * (A) if all goes well, commit the real index; | |
258 | * (B) on failure, rollback the real index. | |
259 | */ | |
260 | if (all || (also && pathspec && *pathspec)) { | |
261 | int fd = hold_locked_index(&index_lock, 1); | |
7ae02a30 | 262 | add_files_to_cache(also ? prefix : NULL, pathspec, 0); |
50b7e70f | 263 | refresh_cache(refresh_flags); |
4ed7cd3a BC |
264 | if (write_cache(fd, active_cache, active_nr) || |
265 | close_lock_file(&index_lock)) | |
f5bbc322 | 266 | die("unable to write new_index file"); |
2888605c JH |
267 | commit_style = COMMIT_NORMAL; |
268 | return index_lock.filename; | |
f5bbc322 KH |
269 | } |
270 | ||
2888605c JH |
271 | /* |
272 | * As-is commit. | |
273 | * | |
274 | * (1) return the name of the real index file. | |
275 | * | |
276 | * The caller should run hooks on the real index, and run | |
277 | * hooks on the real index, and create commit from the_index. | |
278 | * We still need to refresh the index here. | |
279 | */ | |
280 | if (!pathspec || !*pathspec) { | |
281 | fd = hold_locked_index(&index_lock, 1); | |
50b7e70f | 282 | refresh_cache(refresh_flags); |
2888605c | 283 | if (write_cache(fd, active_cache, active_nr) || |
4439751d | 284 | commit_locked_index(&index_lock)) |
2888605c JH |
285 | die("unable to write new_index file"); |
286 | commit_style = COMMIT_AS_IS; | |
f5bbc322 KH |
287 | return get_index_file(); |
288 | } | |
289 | ||
2888605c JH |
290 | /* |
291 | * A partial commit. | |
292 | * | |
293 | * (0) find the set of affected paths; | |
294 | * (1) get lock on the real index file; | |
295 | * (2) update the_index with the given paths; | |
296 | * (3) write the_index out to the real index (still locked); | |
297 | * (4) get lock on the false index file; | |
298 | * (5) reset the_index from HEAD; | |
299 | * (6) update the_index the same way as (2); | |
300 | * (7) write the_index out to the false index file; | |
301 | * (8) return the name of the false index file (still locked); | |
302 | * | |
303 | * The caller should run hooks on the locked false index, and | |
304 | * create commit from it. Then | |
305 | * (A) if all goes well, commit the real index; | |
306 | * (B) on failure, rollback the real index; | |
307 | * In either case, rollback the false index. | |
308 | */ | |
309 | commit_style = COMMIT_PARTIAL; | |
310 | ||
311 | if (file_exists(git_path("MERGE_HEAD"))) | |
312 | die("cannot do a partial commit during a merge."); | |
313 | ||
314 | memset(&partial, 0, sizeof(partial)); | |
c455c87c | 315 | partial.strdup_strings = 1; |
2888605c JH |
316 | if (list_paths(&partial, initial_commit ? NULL : "HEAD", prefix, pathspec)) |
317 | exit(1); | |
318 | ||
319 | discard_cache(); | |
320 | if (read_cache() < 0) | |
321 | die("cannot read the index"); | |
322 | ||
323 | fd = hold_locked_index(&index_lock, 1); | |
324 | add_remove_files(&partial); | |
ef12b50d | 325 | refresh_cache(REFRESH_QUIET); |
4ed7cd3a BC |
326 | if (write_cache(fd, active_cache, active_nr) || |
327 | close_lock_file(&index_lock)) | |
f5bbc322 KH |
328 | die("unable to write new_index file"); |
329 | ||
2888605c | 330 | fd = hold_lock_file_for_update(&false_lock, |
a157400c JH |
331 | git_path("next-index-%"PRIuMAX, |
332 | (uintmax_t) getpid()), | |
acd3b9ec | 333 | LOCK_DIE_ON_ERROR); |
fa9dcf80 LT |
334 | |
335 | create_base_index(); | |
2888605c | 336 | add_remove_files(&partial); |
d37d3203 | 337 | refresh_cache(REFRESH_QUIET); |
f5bbc322 | 338 | |
4ed7cd3a BC |
339 | if (write_cache(fd, active_cache, active_nr) || |
340 | close_lock_file(&false_lock)) | |
2888605c | 341 | die("unable to write temporary index file"); |
959ba670 JK |
342 | |
343 | discard_cache(); | |
344 | read_cache_from(false_lock.filename); | |
345 | ||
2888605c | 346 | return false_lock.filename; |
f5bbc322 KH |
347 | } |
348 | ||
d249b098 JH |
349 | static int run_status(FILE *fp, const char *index_file, const char *prefix, int nowarn, |
350 | struct wt_status *s) | |
f5bbc322 | 351 | { |
d249b098 JH |
352 | if (s->relative_paths) |
353 | s->prefix = prefix; | |
f5bbc322 KH |
354 | |
355 | if (amend) { | |
d249b098 JH |
356 | s->amend = 1; |
357 | s->reference = "HEAD^1"; | |
f5bbc322 | 358 | } |
d249b098 JH |
359 | s->verbose = verbose; |
360 | s->index_file = index_file; | |
361 | s->fp = fp; | |
362 | s->nowarn = nowarn; | |
f5bbc322 | 363 | |
d249b098 | 364 | wt_status_print(s); |
f5bbc322 | 365 | |
d249b098 | 366 | return s->commitable; |
f5bbc322 KH |
367 | } |
368 | ||
ec84bd00 PB |
369 | static int is_a_merge(const unsigned char *sha1) |
370 | { | |
371 | struct commit *commit = lookup_commit(sha1); | |
372 | if (!commit || parse_commit(commit)) | |
373 | die("could not parse HEAD commit"); | |
374 | return !!(commit->parents && commit->parents->next); | |
375 | } | |
376 | ||
f5bbc322 KH |
377 | static const char sign_off_header[] = "Signed-off-by: "; |
378 | ||
e83dbe80 | 379 | static void determine_author_info(void) |
a45d46ba SB |
380 | { |
381 | char *name, *email, *date; | |
382 | ||
383 | name = getenv("GIT_AUTHOR_NAME"); | |
384 | email = getenv("GIT_AUTHOR_EMAIL"); | |
385 | date = getenv("GIT_AUTHOR_DATE"); | |
386 | ||
c51f6cee | 387 | if (use_message && !renew_authorship) { |
a45d46ba SB |
388 | const char *a, *lb, *rb, *eol; |
389 | ||
390 | a = strstr(use_message_buffer, "\nauthor "); | |
391 | if (!a) | |
392 | die("invalid commit: %s", use_message); | |
393 | ||
394 | lb = strstr(a + 8, " <"); | |
395 | rb = strstr(a + 8, "> "); | |
396 | eol = strchr(a + 8, '\n'); | |
397 | if (!lb || !rb || !eol) | |
398 | die("invalid commit: %s", use_message); | |
399 | ||
400 | name = xstrndup(a + 8, lb - (a + 8)); | |
401 | email = xstrndup(lb + 2, rb - (lb + 2)); | |
402 | date = xstrndup(rb + 2, eol - (rb + 2)); | |
403 | } | |
404 | ||
405 | if (force_author) { | |
406 | const char *lb = strstr(force_author, " <"); | |
407 | const char *rb = strchr(force_author, '>'); | |
408 | ||
409 | if (!lb || !rb) | |
410 | die("malformed --author parameter"); | |
411 | name = xstrndup(force_author, lb - force_author); | |
412 | email = xstrndup(lb + 2, rb - (lb + 2)); | |
413 | } | |
414 | ||
e83dbe80 SB |
415 | author_name = name; |
416 | author_email = email; | |
417 | author_date = date; | |
a45d46ba SB |
418 | } |
419 | ||
c1e01b0c DB |
420 | static int ends_rfc2822_footer(struct strbuf *sb) |
421 | { | |
422 | int ch; | |
423 | int hit = 0; | |
424 | int i, j, k; | |
425 | int len = sb->len; | |
426 | int first = 1; | |
427 | const char *buf = sb->buf; | |
428 | ||
429 | for (i = len - 1; i > 0; i--) { | |
430 | if (hit && buf[i] == '\n') | |
431 | break; | |
432 | hit = (buf[i] == '\n'); | |
433 | } | |
434 | ||
435 | while (i < len - 1 && buf[i] == '\n') | |
436 | i++; | |
437 | ||
438 | for (; i < len; i = k) { | |
439 | for (k = i; k < len && buf[k] != '\n'; k++) | |
440 | ; /* do nothing */ | |
441 | k++; | |
442 | ||
443 | if ((buf[k] == ' ' || buf[k] == '\t') && !first) | |
444 | continue; | |
445 | ||
446 | first = 0; | |
447 | ||
448 | for (j = 0; i + j < len; j++) { | |
449 | ch = buf[i + j]; | |
450 | if (ch == ':') | |
451 | break; | |
452 | if (isalnum(ch) || | |
453 | (ch == '-')) | |
454 | continue; | |
455 | return 0; | |
456 | } | |
457 | } | |
458 | return 1; | |
459 | } | |
460 | ||
d249b098 JH |
461 | static int prepare_to_commit(const char *index_file, const char *prefix, |
462 | struct wt_status *s) | |
f5bbc322 KH |
463 | { |
464 | struct stat statbuf; | |
bc5d248a | 465 | int commitable, saved_color_setting; |
f285a2d7 | 466 | struct strbuf sb = STRBUF_INIT; |
f5bbc322 KH |
467 | char *buffer; |
468 | FILE *fp; | |
8089c85b PB |
469 | const char *hook_arg1 = NULL; |
470 | const char *hook_arg2 = NULL; | |
bb1ae3f6 | 471 | int ident_shown = 0; |
f5bbc322 | 472 | |
ec84bd00 PB |
473 | if (!no_verify && run_hook(index_file, "pre-commit", NULL)) |
474 | return 0; | |
f5bbc322 | 475 | |
f9568530 JS |
476 | if (message.len) { |
477 | strbuf_addbuf(&sb, &message); | |
8089c85b | 478 | hook_arg1 = "message"; |
f5bbc322 KH |
479 | } else if (logfile && !strcmp(logfile, "-")) { |
480 | if (isatty(0)) | |
481 | fprintf(stderr, "(reading log message from standard input)\n"); | |
482 | if (strbuf_read(&sb, 0, 0) < 0) | |
0721c314 | 483 | die_errno("could not read log from standard input"); |
8089c85b | 484 | hook_arg1 = "message"; |
f5bbc322 KH |
485 | } else if (logfile) { |
486 | if (strbuf_read_file(&sb, logfile, 0) < 0) | |
d824cbba TR |
487 | die_errno("could not read log file '%s'", |
488 | logfile); | |
8089c85b | 489 | hook_arg1 = "message"; |
f5bbc322 KH |
490 | } else if (use_message) { |
491 | buffer = strstr(use_message_buffer, "\n\n"); | |
492 | if (!buffer || buffer[2] == '\0') | |
493 | die("commit has empty message"); | |
494 | strbuf_add(&sb, buffer + 2, strlen(buffer + 2)); | |
8089c85b PB |
495 | hook_arg1 = "commit"; |
496 | hook_arg2 = use_message; | |
f5bbc322 KH |
497 | } else if (!stat(git_path("MERGE_MSG"), &statbuf)) { |
498 | if (strbuf_read_file(&sb, git_path("MERGE_MSG"), 0) < 0) | |
d824cbba | 499 | die_errno("could not read MERGE_MSG"); |
8089c85b | 500 | hook_arg1 = "merge"; |
f5bbc322 KH |
501 | } else if (!stat(git_path("SQUASH_MSG"), &statbuf)) { |
502 | if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0) | |
d824cbba | 503 | die_errno("could not read SQUASH_MSG"); |
8089c85b | 504 | hook_arg1 = "squash"; |
f5bbc322 KH |
505 | } else if (template_file && !stat(template_file, &statbuf)) { |
506 | if (strbuf_read_file(&sb, template_file, 0) < 0) | |
d824cbba | 507 | die_errno("could not read '%s'", template_file); |
8089c85b | 508 | hook_arg1 = "template"; |
f5bbc322 KH |
509 | } |
510 | ||
8089c85b PB |
511 | /* |
512 | * This final case does not modify the template message, | |
513 | * it just sets the argument to the prepare-commit-msg hook. | |
514 | */ | |
515 | else if (in_merge) | |
516 | hook_arg1 = "merge"; | |
517 | ||
f5bbc322 KH |
518 | fp = fopen(git_path(commit_editmsg), "w"); |
519 | if (fp == NULL) | |
d824cbba | 520 | die_errno("could not open '%s'", git_path(commit_editmsg)); |
f5bbc322 | 521 | |
5f065737 AR |
522 | if (cleanup_mode != CLEANUP_NONE) |
523 | stripspace(&sb, 0); | |
f5bbc322 KH |
524 | |
525 | if (signoff) { | |
f285a2d7 | 526 | struct strbuf sob = STRBUF_INIT; |
13208572 JS |
527 | int i; |
528 | ||
13208572 | 529 | strbuf_addstr(&sob, sign_off_header); |
d9ccfe77 JH |
530 | strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"), |
531 | getenv("GIT_COMMITTER_EMAIL"))); | |
13208572 | 532 | strbuf_addch(&sob, '\n'); |
13208572 JS |
533 | for (i = sb.len - 1; i > 0 && sb.buf[i - 1] != '\n'; i--) |
534 | ; /* do nothing */ | |
2150554b | 535 | if (prefixcmp(sb.buf + i, sob.buf)) { |
e5138436 | 536 | if (!i || !ends_rfc2822_footer(&sb)) |
2150554b | 537 | strbuf_addch(&sb, '\n'); |
13208572 | 538 | strbuf_addbuf(&sb, &sob); |
2150554b | 539 | } |
13208572 | 540 | strbuf_release(&sob); |
f5bbc322 KH |
541 | } |
542 | ||
13208572 | 543 | if (fwrite(sb.buf, 1, sb.len, fp) < sb.len) |
d824cbba | 544 | die_errno("could not write commit template"); |
13208572 | 545 | |
f5bbc322 KH |
546 | strbuf_release(&sb); |
547 | ||
e83dbe80 SB |
548 | determine_author_info(); |
549 | ||
bb1ae3f6 SB |
550 | /* This checks if committer ident is explicitly given */ |
551 | git_committer_info(0); | |
ec84bd00 | 552 | if (use_editor) { |
e83dbe80 SB |
553 | char *author_ident; |
554 | const char *committer_ident; | |
555 | ||
ec84bd00 PB |
556 | if (in_merge) |
557 | fprintf(fp, | |
558 | "#\n" | |
559 | "# It looks like you may be committing a MERGE.\n" | |
560 | "# If this is not correct, please remove the file\n" | |
561 | "# %s\n" | |
562 | "# and try again.\n" | |
563 | "#\n", | |
564 | git_path("MERGE_HEAD")); | |
565 | ||
566 | fprintf(fp, | |
567 | "\n" | |
fdc7c811 | 568 | "# Please enter the commit message for your changes."); |
ec84bd00 | 569 | if (cleanup_mode == CLEANUP_ALL) |
fdc7c811 JK |
570 | fprintf(fp, |
571 | " Lines starting\n" | |
572 | "# with '#' will be ignored, and an empty" | |
573 | " message aborts the commit.\n"); | |
ec84bd00 | 574 | else /* CLEANUP_SPACE, that is. */ |
fdc7c811 JK |
575 | fprintf(fp, |
576 | " Lines starting\n" | |
577 | "# with '#' will be kept; you may remove them" | |
578 | " yourself if you want to.\n" | |
579 | "# An empty message aborts the commit.\n"); | |
ec84bd00 PB |
580 | if (only_include_assumed) |
581 | fprintf(fp, "# %s\n", only_include_assumed); | |
582 | ||
e83dbe80 SB |
583 | author_ident = xstrdup(fmt_name(author_name, author_email)); |
584 | committer_ident = fmt_name(getenv("GIT_COMMITTER_NAME"), | |
585 | getenv("GIT_COMMITTER_EMAIL")); | |
586 | if (strcmp(author_ident, committer_ident)) | |
587 | fprintf(fp, | |
bb1ae3f6 SB |
588 | "%s" |
589 | "# Author: %s\n", | |
590 | ident_shown++ ? "" : "#\n", | |
e83dbe80 SB |
591 | author_ident); |
592 | free(author_ident); | |
593 | ||
bb1ae3f6 SB |
594 | if (!user_ident_explicitly_given) |
595 | fprintf(fp, | |
596 | "%s" | |
597 | "# Committer: %s\n", | |
598 | ident_shown++ ? "" : "#\n", | |
599 | committer_ident); | |
600 | ||
601 | if (ident_shown) | |
602 | fprintf(fp, "#\n"); | |
603 | ||
d249b098 JH |
604 | saved_color_setting = s->use_color; |
605 | s->use_color = 0; | |
606 | commitable = run_status(fp, index_file, prefix, 1, s); | |
607 | s->use_color = saved_color_setting; | |
ec84bd00 | 608 | } else { |
d616a239 | 609 | unsigned char sha1[20]; |
fbcf1184 | 610 | const char *parent = "HEAD"; |
7168624c | 611 | |
7168624c AR |
612 | if (!active_nr && read_cache() < 0) |
613 | die("Cannot read index"); | |
614 | ||
fbcf1184 JH |
615 | if (amend) |
616 | parent = "HEAD^1"; | |
617 | ||
d616a239 | 618 | if (get_sha1(parent, sha1)) |
ec84bd00 | 619 | commitable = !!active_nr; |
75f3ff2e SB |
620 | else |
621 | commitable = index_differs_from(parent, 0); | |
ec84bd00 | 622 | } |
d616a239 | 623 | |
ec84bd00 | 624 | fclose(fp); |
7168624c | 625 | |
ec84bd00 PB |
626 | if (!commitable && !in_merge && !allow_empty && |
627 | !(amend && is_a_merge(head_sha1))) { | |
d249b098 | 628 | run_status(stdout, index_file, prefix, 0, s); |
ec84bd00 | 629 | return 0; |
7168624c AR |
630 | } |
631 | ||
ec84bd00 PB |
632 | /* |
633 | * Re-read the index as pre-commit hook could have updated it, | |
634 | * and write it out as a tree. We must do this before we invoke | |
635 | * the editor and after we invoke run_status above. | |
636 | */ | |
637 | discard_cache(); | |
638 | read_cache_from(index_file); | |
639 | if (!active_cache_tree) | |
640 | active_cache_tree = cache_tree(); | |
641 | if (cache_tree_update(active_cache_tree, | |
642 | active_cache, active_nr, 0, 0) < 0) { | |
331fcb59 | 643 | error("Error building trees"); |
ec84bd00 | 644 | return 0; |
7168624c | 645 | } |
f5bbc322 | 646 | |
8089c85b PB |
647 | if (run_hook(index_file, "prepare-commit-msg", |
648 | git_path(commit_editmsg), hook_arg1, hook_arg2, NULL)) | |
649 | return 0; | |
f5bbc322 | 650 | |
ec84bd00 PB |
651 | if (use_editor) { |
652 | char index[PATH_MAX]; | |
653 | const char *env[2] = { index, NULL }; | |
654 | snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file); | |
7198203a SB |
655 | if (launch_editor(git_path(commit_editmsg), NULL, env)) { |
656 | fprintf(stderr, | |
657 | "Please supply the message using either -m or -F option.\n"); | |
658 | exit(1); | |
659 | } | |
ec84bd00 | 660 | } |
f5bbc322 | 661 | |
ec84bd00 PB |
662 | if (!no_verify && |
663 | run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) { | |
664 | return 0; | |
665 | } | |
f5bbc322 | 666 | |
ec84bd00 | 667 | return 1; |
f5bbc322 KH |
668 | } |
669 | ||
670 | /* | |
6bb6b034 MV |
671 | * Find out if the message in the strbuf contains only whitespace and |
672 | * Signed-off-by lines. | |
f5bbc322 | 673 | */ |
6bb6b034 | 674 | static int message_is_empty(struct strbuf *sb) |
f5bbc322 | 675 | { |
f285a2d7 | 676 | struct strbuf tmpl = STRBUF_INIT; |
f5bbc322 | 677 | const char *nl; |
6bb6b034 | 678 | int eol, i, start = 0; |
f5bbc322 | 679 | |
5f065737 AR |
680 | if (cleanup_mode == CLEANUP_NONE && sb->len) |
681 | return 0; | |
682 | ||
f5bbc322 | 683 | /* See if the template is just a prefix of the message. */ |
f5bbc322 | 684 | if (template_file && strbuf_read_file(&tmpl, template_file, 0) > 0) { |
5f065737 | 685 | stripspace(&tmpl, cleanup_mode == CLEANUP_ALL); |
f5bbc322 KH |
686 | if (start + tmpl.len <= sb->len && |
687 | memcmp(tmpl.buf, sb->buf + start, tmpl.len) == 0) | |
688 | start += tmpl.len; | |
689 | } | |
690 | strbuf_release(&tmpl); | |
691 | ||
692 | /* Check if the rest is just whitespace and Signed-of-by's. */ | |
693 | for (i = start; i < sb->len; i++) { | |
694 | nl = memchr(sb->buf + i, '\n', sb->len - i); | |
695 | if (nl) | |
696 | eol = nl - sb->buf; | |
697 | else | |
698 | eol = sb->len; | |
699 | ||
700 | if (strlen(sign_off_header) <= eol - i && | |
701 | !prefixcmp(sb->buf + i, sign_off_header)) { | |
702 | i = eol; | |
703 | continue; | |
704 | } | |
705 | while (i < eol) | |
706 | if (!isspace(sb->buf[i++])) | |
707 | return 0; | |
708 | } | |
709 | ||
710 | return 1; | |
711 | } | |
712 | ||
146ea068 JH |
713 | static const char *find_author_by_nickname(const char *name) |
714 | { | |
715 | struct rev_info revs; | |
716 | struct commit *commit; | |
717 | struct strbuf buf = STRBUF_INIT; | |
718 | const char *av[20]; | |
719 | int ac = 0; | |
720 | ||
721 | init_revisions(&revs, NULL); | |
722 | strbuf_addf(&buf, "--author=%s", name); | |
723 | av[++ac] = "--all"; | |
724 | av[++ac] = "-i"; | |
725 | av[++ac] = buf.buf; | |
726 | av[++ac] = NULL; | |
727 | setup_revisions(ac, av, &revs, NULL); | |
728 | prepare_revision_walk(&revs); | |
729 | commit = get_revision(&revs); | |
730 | if (commit) { | |
dd2e794a TR |
731 | struct pretty_print_context ctx = {0}; |
732 | ctx.date_mode = DATE_NORMAL; | |
146ea068 | 733 | strbuf_release(&buf); |
dd2e794a | 734 | format_commit_message(commit, "%an <%ae>", &buf, &ctx); |
146ea068 JH |
735 | return strbuf_detach(&buf, NULL); |
736 | } | |
737 | die("No existing author found with '%s'", name); | |
738 | } | |
739 | ||
2f02b25f | 740 | static int parse_and_validate_options(int argc, const char *argv[], |
dbd0f5c7 | 741 | const char * const usage[], |
d249b098 JH |
742 | const char *prefix, |
743 | struct wt_status *s) | |
f5bbc322 KH |
744 | { |
745 | int f = 0; | |
746 | ||
37782920 SB |
747 | argc = parse_options(argc, argv, prefix, builtin_commit_options, usage, |
748 | 0); | |
f5bbc322 | 749 | |
146ea068 JH |
750 | if (force_author && !strchr(force_author, '>')) |
751 | force_author = find_author_by_nickname(force_author); | |
752 | ||
c51f6cee EM |
753 | if (force_author && renew_authorship) |
754 | die("Using both --reset-author and --author does not make sense"); | |
755 | ||
f9568530 | 756 | if (logfile || message.len || use_message) |
4803466f | 757 | use_editor = 0; |
f5bbc322 | 758 | if (edit_flag) |
4803466f | 759 | use_editor = 1; |
406400ce PB |
760 | if (!use_editor) |
761 | setenv("GIT_EDITOR", ":", 1); | |
f5bbc322 KH |
762 | |
763 | if (get_sha1("HEAD", head_sha1)) | |
764 | initial_commit = 1; | |
765 | ||
766 | if (!get_sha1("MERGE_HEAD", merge_head_sha1)) | |
767 | in_merge = 1; | |
768 | ||
769 | /* Sanity check options */ | |
770 | if (amend && initial_commit) | |
771 | die("You have nothing to amend."); | |
772 | if (amend && in_merge) | |
b5b644a9 | 773 | die("You are in the middle of a merge -- cannot amend."); |
f5bbc322 KH |
774 | |
775 | if (use_message) | |
776 | f++; | |
777 | if (edit_message) | |
778 | f++; | |
779 | if (logfile) | |
780 | f++; | |
781 | if (f > 1) | |
782 | die("Only one of -c/-C/-F can be used."); | |
f9568530 | 783 | if (message.len && f > 0) |
f5bbc322 KH |
784 | die("Option -m cannot be combined with -c/-C/-F."); |
785 | if (edit_message) | |
786 | use_message = edit_message; | |
1eb1e9ee | 787 | if (amend && !use_message) |
f5bbc322 | 788 | use_message = "HEAD"; |
c51f6cee EM |
789 | if (!use_message && renew_authorship) |
790 | die("--reset-author can be used only with -C, -c or --amend."); | |
f5bbc322 KH |
791 | if (use_message) { |
792 | unsigned char sha1[20]; | |
793 | static char utf8[] = "UTF-8"; | |
794 | const char *out_enc; | |
795 | char *enc, *end; | |
796 | struct commit *commit; | |
797 | ||
798 | if (get_sha1(use_message, sha1)) | |
799 | die("could not lookup commit %s", use_message); | |
8a2f8733 | 800 | commit = lookup_commit_reference(sha1); |
f5bbc322 KH |
801 | if (!commit || parse_commit(commit)) |
802 | die("could not parse commit %s", use_message); | |
803 | ||
804 | enc = strstr(commit->buffer, "\nencoding"); | |
805 | if (enc) { | |
806 | end = strchr(enc + 10, '\n'); | |
807 | enc = xstrndup(enc + 10, end - (enc + 10)); | |
808 | } else { | |
809 | enc = utf8; | |
810 | } | |
811 | out_enc = git_commit_encoding ? git_commit_encoding : utf8; | |
812 | ||
813 | if (strcmp(out_enc, enc)) | |
814 | use_message_buffer = | |
815 | reencode_string(commit->buffer, out_enc, enc); | |
816 | ||
817 | /* | |
818 | * If we failed to reencode the buffer, just copy it | |
819 | * byte for byte so the user can try to fix it up. | |
820 | * This also handles the case where input and output | |
821 | * encodings are identical. | |
822 | */ | |
823 | if (use_message_buffer == NULL) | |
824 | use_message_buffer = xstrdup(commit->buffer); | |
825 | if (enc != utf8) | |
826 | free(enc); | |
827 | } | |
828 | ||
829 | if (!!also + !!only + !!all + !!interactive > 1) | |
830 | die("Only one of --include/--only/--all/--interactive can be used."); | |
831 | if (argc == 0 && (also || (only && !amend))) | |
832 | die("No paths with --include/--only does not make sense."); | |
833 | if (argc == 0 && only && amend) | |
834 | only_include_assumed = "Clever... amending the last one with dirty index."; | |
3c5283f8 | 835 | if (argc > 0 && !also && !only) |
f5bbc322 | 836 | only_include_assumed = "Explicit paths specified without -i nor -o; assuming --only paths..."; |
5f065737 AR |
837 | if (!cleanup_arg || !strcmp(cleanup_arg, "default")) |
838 | cleanup_mode = use_editor ? CLEANUP_ALL : CLEANUP_SPACE; | |
839 | else if (!strcmp(cleanup_arg, "verbatim")) | |
840 | cleanup_mode = CLEANUP_NONE; | |
841 | else if (!strcmp(cleanup_arg, "whitespace")) | |
842 | cleanup_mode = CLEANUP_SPACE; | |
843 | else if (!strcmp(cleanup_arg, "strip")) | |
844 | cleanup_mode = CLEANUP_ALL; | |
845 | else | |
846 | die("Invalid cleanup mode %s", cleanup_arg); | |
f5bbc322 | 847 | |
4bfee30a MSO |
848 | if (!untracked_files_arg) |
849 | ; /* default already initialized */ | |
6c2ce048 | 850 | else if (!strcmp(untracked_files_arg, "no")) |
d249b098 | 851 | s->show_untracked_files = SHOW_NO_UNTRACKED_FILES; |
4bfee30a | 852 | else if (!strcmp(untracked_files_arg, "normal")) |
d249b098 | 853 | s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; |
4bfee30a | 854 | else if (!strcmp(untracked_files_arg, "all")) |
d249b098 | 855 | s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES; |
4bfee30a MSO |
856 | else |
857 | die("Invalid untracked files mode '%s'", untracked_files_arg); | |
858 | ||
f5bbc322 KH |
859 | if (all && argc > 0) |
860 | die("Paths with -a does not make sense."); | |
861 | else if (interactive && argc > 0) | |
862 | die("Paths with --interactive does not make sense."); | |
863 | ||
864 | return argc; | |
865 | } | |
866 | ||
d249b098 JH |
867 | static int dry_run_commit(int argc, const char **argv, const char *prefix, |
868 | struct wt_status *s) | |
f5bbc322 | 869 | { |
f5bbc322 | 870 | int commitable; |
3a5d13a3 | 871 | const char *index_file; |
f5bbc322 | 872 | |
3a5d13a3 | 873 | index_file = prepare_index(argc, argv, prefix, 1); |
d249b098 | 874 | commitable = run_status(stdout, index_file, prefix, 0, s); |
3a5d13a3 | 875 | rollback_index_files(); |
f5bbc322 | 876 | |
3a5d13a3 JH |
877 | return commitable ? 0 : 1; |
878 | } | |
879 | ||
f766b367 JH |
880 | static int parse_status_slot(const char *var, int offset) |
881 | { | |
882 | if (!strcasecmp(var+offset, "header")) | |
883 | return WT_STATUS_HEADER; | |
884 | if (!strcasecmp(var+offset, "updated") | |
885 | || !strcasecmp(var+offset, "added")) | |
886 | return WT_STATUS_UPDATED; | |
887 | if (!strcasecmp(var+offset, "changed")) | |
888 | return WT_STATUS_CHANGED; | |
889 | if (!strcasecmp(var+offset, "untracked")) | |
890 | return WT_STATUS_UNTRACKED; | |
891 | if (!strcasecmp(var+offset, "nobranch")) | |
892 | return WT_STATUS_NOBRANCH; | |
893 | if (!strcasecmp(var+offset, "unmerged")) | |
894 | return WT_STATUS_UNMERGED; | |
8b8e8624 | 895 | return -1; |
f766b367 JH |
896 | } |
897 | ||
898 | static int git_status_config(const char *k, const char *v, void *cb) | |
899 | { | |
900 | struct wt_status *s = cb; | |
901 | ||
902 | if (!strcmp(k, "status.submodulesummary")) { | |
903 | int is_bool; | |
904 | s->submodule_summary = git_config_bool_or_int(k, v, &is_bool); | |
905 | if (is_bool && s->submodule_summary) | |
906 | s->submodule_summary = -1; | |
907 | return 0; | |
908 | } | |
909 | if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) { | |
910 | s->use_color = git_config_colorbool(k, v, -1); | |
911 | return 0; | |
912 | } | |
913 | if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) { | |
914 | int slot = parse_status_slot(k, 13); | |
8b8e8624 JK |
915 | if (slot < 0) |
916 | return 0; | |
f766b367 JH |
917 | if (!v) |
918 | return config_error_nonbool(k); | |
919 | color_parse(v, k, s->color_palette[slot]); | |
920 | return 0; | |
921 | } | |
922 | if (!strcmp(k, "status.relativepaths")) { | |
923 | s->relative_paths = git_config_bool(k, v); | |
924 | return 0; | |
925 | } | |
926 | if (!strcmp(k, "status.showuntrackedfiles")) { | |
927 | if (!v) | |
928 | return config_error_nonbool(k); | |
929 | else if (!strcmp(v, "no")) | |
930 | s->show_untracked_files = SHOW_NO_UNTRACKED_FILES; | |
931 | else if (!strcmp(v, "normal")) | |
932 | s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; | |
933 | else if (!strcmp(v, "all")) | |
934 | s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES; | |
935 | else | |
936 | return error("Invalid untracked files mode '%s'", v); | |
937 | return 0; | |
938 | } | |
939 | return git_diff_ui_config(k, v, NULL); | |
940 | } | |
941 | ||
3a5d13a3 JH |
942 | int cmd_status(int argc, const char **argv, const char *prefix) |
943 | { | |
d249b098 JH |
944 | struct wt_status s; |
945 | ||
946 | wt_status_prepare(&s); | |
947 | git_config(git_status_config, &s); | |
948 | if (s.use_color == -1) | |
949 | s.use_color = git_use_color_default; | |
38920dd6 MH |
950 | if (diff_use_color_default == -1) |
951 | diff_use_color_default = git_use_color_default; | |
952 | ||
d249b098 JH |
953 | argc = parse_and_validate_options(argc, argv, builtin_status_usage, |
954 | prefix, &s); | |
955 | return dry_run_commit(argc, argv, prefix, &s); | |
f5bbc322 KH |
956 | } |
957 | ||
f5bbc322 KH |
958 | static void print_summary(const char *prefix, const unsigned char *sha1) |
959 | { | |
960 | struct rev_info rev; | |
961 | struct commit *commit; | |
c5ee71fd | 962 | static const char *format = "format:%h] %s"; |
c85db254 JK |
963 | unsigned char junk_sha1[20]; |
964 | const char *head = resolve_ref("HEAD", junk_sha1, 0, NULL); | |
f5bbc322 KH |
965 | |
966 | commit = lookup_commit(sha1); | |
967 | if (!commit) | |
b5b644a9 | 968 | die("couldn't look up newly created commit"); |
f5bbc322 KH |
969 | if (!commit || parse_commit(commit)) |
970 | die("could not parse newly created commit"); | |
971 | ||
972 | init_revisions(&rev, prefix); | |
973 | setup_revisions(0, NULL, &rev, NULL); | |
974 | ||
975 | rev.abbrev = 0; | |
976 | rev.diff = 1; | |
977 | rev.diffopt.output_format = | |
978 | DIFF_FORMAT_SHORTSTAT | DIFF_FORMAT_SUMMARY; | |
979 | ||
980 | rev.verbose_header = 1; | |
981 | rev.show_root_diff = 1; | |
e502f9e7 | 982 | get_commit_format(format, &rev); |
bf82a150 | 983 | rev.always_show_header = 0; |
3eb2a15e JH |
984 | rev.diffopt.detect_rename = 1; |
985 | rev.diffopt.rename_limit = 100; | |
986 | rev.diffopt.break_opt = 0; | |
15964563 | 987 | diff_setup_done(&rev.diffopt); |
f5bbc322 | 988 | |
c5ee71fd | 989 | printf("[%s%s ", |
c85db254 JK |
990 | !prefixcmp(head, "refs/heads/") ? |
991 | head + 11 : | |
992 | !strcmp(head, "HEAD") ? | |
993 | "detached HEAD" : | |
994 | head, | |
995 | initial_commit ? " (root-commit)" : ""); | |
f5bbc322 | 996 | |
bf82a150 | 997 | if (!log_tree_commit(&rev, commit)) { |
dd2e794a | 998 | struct pretty_print_context ctx = {0}; |
bf82a150 | 999 | struct strbuf buf = STRBUF_INIT; |
dd2e794a TR |
1000 | ctx.date_mode = DATE_NORMAL; |
1001 | format_commit_message(commit, format + 7, &buf, &ctx); | |
bf82a150 JH |
1002 | printf("%s\n", buf.buf); |
1003 | strbuf_release(&buf); | |
1004 | } | |
f5bbc322 KH |
1005 | } |
1006 | ||
186458b1 | 1007 | static int git_commit_config(const char *k, const char *v, void *cb) |
f5bbc322 | 1008 | { |
d249b098 JH |
1009 | struct wt_status *s = cb; |
1010 | ||
984c6e7e | 1011 | if (!strcmp(k, "commit.template")) |
395de250 | 1012 | return git_config_pathname(&template_file, k, v); |
f5bbc322 | 1013 | |
d249b098 | 1014 | return git_status_config(k, v, s); |
f5bbc322 KH |
1015 | } |
1016 | ||
f5bbc322 KH |
1017 | int cmd_commit(int argc, const char **argv, const char *prefix) |
1018 | { | |
f285a2d7 | 1019 | struct strbuf sb = STRBUF_INIT; |
f5bbc322 | 1020 | const char *index_file, *reflog_msg; |
99a12694 | 1021 | char *nl, *p; |
f5bbc322 KH |
1022 | unsigned char commit_sha1[20]; |
1023 | struct ref_lock *ref_lock; | |
6bb6b034 | 1024 | struct commit_list *parents = NULL, **pptr = &parents; |
cf10f9fd MV |
1025 | struct stat statbuf; |
1026 | int allow_fast_forward = 1; | |
d249b098 | 1027 | struct wt_status s; |
f5bbc322 | 1028 | |
d249b098 JH |
1029 | wt_status_prepare(&s); |
1030 | git_config(git_commit_config, &s); | |
f5bbc322 | 1031 | |
d249b098 JH |
1032 | if (s.use_color == -1) |
1033 | s.use_color = git_use_color_default; | |
3f4b609f | 1034 | |
d249b098 JH |
1035 | argc = parse_and_validate_options(argc, argv, builtin_commit_usage, |
1036 | prefix, &s); | |
3fa509df JH |
1037 | if (dry_run) { |
1038 | if (diff_use_color_default == -1) | |
1039 | diff_use_color_default = git_use_color_default; | |
d249b098 | 1040 | return dry_run_commit(argc, argv, prefix, &s); |
3fa509df | 1041 | } |
50b7e70f | 1042 | index_file = prepare_index(argc, argv, prefix, 0); |
f5bbc322 | 1043 | |
ec84bd00 PB |
1044 | /* Set up everything for writing the commit object. This includes |
1045 | running hooks, writing the trees, and interacting with the user. */ | |
d249b098 | 1046 | if (!prepare_to_commit(index_file, prefix, &s)) { |
2888605c | 1047 | rollback_index_files(); |
f5bbc322 KH |
1048 | return 1; |
1049 | } | |
1050 | ||
f5bbc322 KH |
1051 | /* Determine parents */ |
1052 | if (initial_commit) { | |
1053 | reflog_msg = "commit (initial)"; | |
f5bbc322 KH |
1054 | } else if (amend) { |
1055 | struct commit_list *c; | |
1056 | struct commit *commit; | |
1057 | ||
1058 | reflog_msg = "commit (amend)"; | |
1059 | commit = lookup_commit(head_sha1); | |
1060 | if (!commit || parse_commit(commit)) | |
1061 | die("could not parse HEAD commit"); | |
1062 | ||
1063 | for (c = commit->parents; c; c = c->next) | |
6bb6b034 | 1064 | pptr = &commit_list_insert(c->item, pptr)->next; |
f5bbc322 | 1065 | } else if (in_merge) { |
f285a2d7 | 1066 | struct strbuf m = STRBUF_INIT; |
f5bbc322 KH |
1067 | FILE *fp; |
1068 | ||
1069 | reflog_msg = "commit (merge)"; | |
6bb6b034 | 1070 | pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next; |
f5bbc322 KH |
1071 | fp = fopen(git_path("MERGE_HEAD"), "r"); |
1072 | if (fp == NULL) | |
d824cbba TR |
1073 | die_errno("could not open '%s' for reading", |
1074 | git_path("MERGE_HEAD")); | |
7c3fd25d LT |
1075 | while (strbuf_getline(&m, fp, '\n') != EOF) { |
1076 | unsigned char sha1[20]; | |
1077 | if (get_sha1_hex(m.buf, sha1) < 0) | |
1078 | die("Corrupt MERGE_HEAD file (%s)", m.buf); | |
6bb6b034 | 1079 | pptr = &commit_list_insert(lookup_commit(sha1), pptr)->next; |
7c3fd25d | 1080 | } |
f5bbc322 KH |
1081 | fclose(fp); |
1082 | strbuf_release(&m); | |
cf10f9fd MV |
1083 | if (!stat(git_path("MERGE_MODE"), &statbuf)) { |
1084 | if (strbuf_read_file(&sb, git_path("MERGE_MODE"), 0) < 0) | |
d824cbba | 1085 | die_errno("could not read MERGE_MODE"); |
cf10f9fd MV |
1086 | if (!strcmp(sb.buf, "no-ff")) |
1087 | allow_fast_forward = 0; | |
1088 | } | |
1089 | if (allow_fast_forward) | |
1090 | parents = reduce_heads(parents); | |
f5bbc322 KH |
1091 | } else { |
1092 | reflog_msg = "commit"; | |
6bb6b034 | 1093 | pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next; |
f5bbc322 | 1094 | } |
f5bbc322 | 1095 | |
ec84bd00 | 1096 | /* Finally, get the commit message */ |
cf10f9fd | 1097 | strbuf_reset(&sb); |
740001a5 | 1098 | if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) { |
0721c314 | 1099 | int saved_errno = errno; |
740001a5 | 1100 | rollback_index_files(); |
0721c314 | 1101 | die("could not read commit message: %s", strerror(saved_errno)); |
740001a5 | 1102 | } |
99a12694 KH |
1103 | |
1104 | /* Truncate the message just before the diff, if any. */ | |
0b38227f JK |
1105 | if (verbose) { |
1106 | p = strstr(sb.buf, "\ndiff --git "); | |
1107 | if (p != NULL) | |
1108 | strbuf_setlen(&sb, p - sb.buf + 1); | |
1109 | } | |
99a12694 | 1110 | |
5f065737 AR |
1111 | if (cleanup_mode != CLEANUP_NONE) |
1112 | stripspace(&sb, cleanup_mode == CLEANUP_ALL); | |
6bb6b034 | 1113 | if (message_is_empty(&sb)) { |
2888605c | 1114 | rollback_index_files(); |
fdc7c811 JK |
1115 | fprintf(stderr, "Aborting commit due to empty commit message.\n"); |
1116 | exit(1); | |
2888605c | 1117 | } |
f5bbc322 | 1118 | |
6bb6b034 MV |
1119 | if (commit_tree(sb.buf, active_cache_tree->sha1, parents, commit_sha1, |
1120 | fmt_ident(author_name, author_email, author_date, | |
1121 | IDENT_ERROR_ON_NO_NAME))) { | |
2888605c | 1122 | rollback_index_files(); |
f5bbc322 | 1123 | die("failed to write commit object"); |
2888605c | 1124 | } |
f5bbc322 KH |
1125 | |
1126 | ref_lock = lock_any_ref_for_update("HEAD", | |
1127 | initial_commit ? NULL : head_sha1, | |
1128 | 0); | |
1129 | ||
6bb6b034 | 1130 | nl = strchr(sb.buf, '\n'); |
741707b1 JS |
1131 | if (nl) |
1132 | strbuf_setlen(&sb, nl + 1 - sb.buf); | |
1133 | else | |
1134 | strbuf_addch(&sb, '\n'); | |
741707b1 JS |
1135 | strbuf_insert(&sb, 0, reflog_msg, strlen(reflog_msg)); |
1136 | strbuf_insert(&sb, strlen(reflog_msg), ": ", 2); | |
f5bbc322 | 1137 | |
2888605c JH |
1138 | if (!ref_lock) { |
1139 | rollback_index_files(); | |
f5bbc322 | 1140 | die("cannot lock HEAD ref"); |
2888605c JH |
1141 | } |
1142 | if (write_ref_sha1(ref_lock, commit_sha1, sb.buf) < 0) { | |
1143 | rollback_index_files(); | |
f5bbc322 | 1144 | die("cannot update HEAD ref"); |
2888605c | 1145 | } |
f5bbc322 KH |
1146 | |
1147 | unlink(git_path("MERGE_HEAD")); | |
1148 | unlink(git_path("MERGE_MSG")); | |
cf10f9fd | 1149 | unlink(git_path("MERGE_MODE")); |
5a95b855 | 1150 | unlink(git_path("SQUASH_MSG")); |
f5bbc322 | 1151 | |
5a9dd399 BC |
1152 | if (commit_index_files()) |
1153 | die ("Repository has been updated, but unable to write\n" | |
1154 | "new_index file. Check that disk is not full or quota is\n" | |
1155 | "not exceeded, and then \"git reset HEAD\" to recover."); | |
f5bbc322 KH |
1156 | |
1157 | rerere(); | |
2888605c | 1158 | run_hook(get_index_file(), "post-commit", NULL); |
f5bbc322 KH |
1159 | if (!quiet) |
1160 | print_summary(prefix, commit_sha1); | |
1161 | ||
1162 | return 0; | |
1163 | } |