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1 | /* | |
2 | * Builtin "git log" and related commands (show, whatchanged) | |
3 | * | |
4 | * (C) Copyright 2006 Linus Torvalds | |
5 | * 2006 Junio Hamano | |
6 | */ | |
7 | #include "cache.h" | |
8 | #include "color.h" | |
9 | #include "commit.h" | |
10 | #include "diff.h" | |
11 | #include "revision.h" | |
12 | #include "log-tree.h" | |
13 | #include "builtin.h" | |
14 | #include "tag.h" | |
15 | #include "reflog-walk.h" | |
16 | #include "patch-ids.h" | |
17 | #include "run-command.h" | |
18 | #include "shortlog.h" | |
19 | #include "remote.h" | |
20 | #include "string-list.h" | |
21 | #include "parse-options.h" | |
22 | #include "branch.h" | |
23 | #include "streaming.h" | |
24 | #include "version.h" | |
25 | ||
26 | /* Set a default date-time format for git log ("log.date" config variable) */ | |
27 | static const char *default_date_mode = NULL; | |
28 | ||
29 | static int default_abbrev_commit; | |
30 | static int default_show_root = 1; | |
31 | static int decoration_style; | |
32 | static int decoration_given; | |
33 | static const char *fmt_patch_subject_prefix = "PATCH"; | |
34 | static const char *fmt_pretty; | |
35 | ||
36 | static const char * const builtin_log_usage[] = { | |
37 | N_("git log [<options>] [<since>..<until>] [[--] <path>...]\n") | |
38 | N_(" or: git show [options] <object>..."), | |
39 | NULL | |
40 | }; | |
41 | ||
42 | static int parse_decoration_style(const char *var, const char *value) | |
43 | { | |
44 | switch (git_config_maybe_bool(var, value)) { | |
45 | case 1: | |
46 | return DECORATE_SHORT_REFS; | |
47 | case 0: | |
48 | return 0; | |
49 | default: | |
50 | break; | |
51 | } | |
52 | if (!strcmp(value, "full")) | |
53 | return DECORATE_FULL_REFS; | |
54 | else if (!strcmp(value, "short")) | |
55 | return DECORATE_SHORT_REFS; | |
56 | return -1; | |
57 | } | |
58 | ||
59 | static int decorate_callback(const struct option *opt, const char *arg, int unset) | |
60 | { | |
61 | if (unset) | |
62 | decoration_style = 0; | |
63 | else if (arg) | |
64 | decoration_style = parse_decoration_style("command line", arg); | |
65 | else | |
66 | decoration_style = DECORATE_SHORT_REFS; | |
67 | ||
68 | if (decoration_style < 0) | |
69 | die("invalid --decorate option: %s", arg); | |
70 | ||
71 | decoration_given = 1; | |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
76 | static void cmd_log_init_defaults(struct rev_info *rev) | |
77 | { | |
78 | if (fmt_pretty) | |
79 | get_commit_format(fmt_pretty, rev); | |
80 | rev->verbose_header = 1; | |
81 | DIFF_OPT_SET(&rev->diffopt, RECURSIVE); | |
82 | rev->diffopt.stat_width = -1; /* use full terminal width */ | |
83 | rev->diffopt.stat_graph_width = -1; /* respect statGraphWidth config */ | |
84 | rev->abbrev_commit = default_abbrev_commit; | |
85 | rev->show_root_diff = default_show_root; | |
86 | rev->subject_prefix = fmt_patch_subject_prefix; | |
87 | DIFF_OPT_SET(&rev->diffopt, ALLOW_TEXTCONV); | |
88 | ||
89 | if (default_date_mode) | |
90 | rev->date_mode = parse_date_format(default_date_mode); | |
91 | } | |
92 | ||
93 | static void cmd_log_init_finish(int argc, const char **argv, const char *prefix, | |
94 | struct rev_info *rev, struct setup_revision_opt *opt) | |
95 | { | |
96 | struct userformat_want w; | |
97 | int quiet = 0, source = 0; | |
98 | ||
99 | const struct option builtin_log_options[] = { | |
100 | OPT_BOOLEAN(0, "quiet", &quiet, N_("suppress diff output")), | |
101 | OPT_BOOLEAN(0, "source", &source, N_("show source")), | |
102 | { OPTION_CALLBACK, 0, "decorate", NULL, NULL, N_("decorate options"), | |
103 | PARSE_OPT_OPTARG, decorate_callback}, | |
104 | OPT_END() | |
105 | }; | |
106 | ||
107 | argc = parse_options(argc, argv, prefix, | |
108 | builtin_log_options, builtin_log_usage, | |
109 | PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN | | |
110 | PARSE_OPT_KEEP_DASHDASH); | |
111 | ||
112 | if (quiet) | |
113 | rev->diffopt.output_format |= DIFF_FORMAT_NO_OUTPUT; | |
114 | argc = setup_revisions(argc, argv, rev, opt); | |
115 | ||
116 | /* Any arguments at this point are not recognized */ | |
117 | if (argc > 1) | |
118 | die("unrecognized argument: %s", argv[1]); | |
119 | ||
120 | memset(&w, 0, sizeof(w)); | |
121 | userformat_find_requirements(NULL, &w); | |
122 | ||
123 | if (!rev->show_notes_given && (!rev->pretty_given || w.notes)) | |
124 | rev->show_notes = 1; | |
125 | if (rev->show_notes) | |
126 | init_display_notes(&rev->notes_opt); | |
127 | ||
128 | if (rev->diffopt.pickaxe || rev->diffopt.filter) | |
129 | rev->always_show_header = 0; | |
130 | if (DIFF_OPT_TST(&rev->diffopt, FOLLOW_RENAMES)) { | |
131 | rev->always_show_header = 0; | |
132 | if (rev->diffopt.pathspec.nr != 1) | |
133 | usage("git logs can only follow renames on one pathname at a time"); | |
134 | } | |
135 | ||
136 | if (source) | |
137 | rev->show_source = 1; | |
138 | ||
139 | if (rev->pretty_given && rev->commit_format == CMIT_FMT_RAW) { | |
140 | /* | |
141 | * "log --pretty=raw" is special; ignore UI oriented | |
142 | * configuration variables such as decoration. | |
143 | */ | |
144 | if (!decoration_given) | |
145 | decoration_style = 0; | |
146 | if (!rev->abbrev_commit_given) | |
147 | rev->abbrev_commit = 0; | |
148 | } | |
149 | ||
150 | if (decoration_style) { | |
151 | rev->show_decorations = 1; | |
152 | load_ref_decorations(decoration_style); | |
153 | } | |
154 | setup_pager(); | |
155 | } | |
156 | ||
157 | static void cmd_log_init(int argc, const char **argv, const char *prefix, | |
158 | struct rev_info *rev, struct setup_revision_opt *opt) | |
159 | { | |
160 | cmd_log_init_defaults(rev); | |
161 | cmd_log_init_finish(argc, argv, prefix, rev, opt); | |
162 | } | |
163 | ||
164 | /* | |
165 | * This gives a rough estimate for how many commits we | |
166 | * will print out in the list. | |
167 | */ | |
168 | static int estimate_commit_count(struct rev_info *rev, struct commit_list *list) | |
169 | { | |
170 | int n = 0; | |
171 | ||
172 | while (list) { | |
173 | struct commit *commit = list->item; | |
174 | unsigned int flags = commit->object.flags; | |
175 | list = list->next; | |
176 | if (!(flags & (TREESAME | UNINTERESTING))) | |
177 | n++; | |
178 | } | |
179 | return n; | |
180 | } | |
181 | ||
182 | static void show_early_header(struct rev_info *rev, const char *stage, int nr) | |
183 | { | |
184 | if (rev->shown_one) { | |
185 | rev->shown_one = 0; | |
186 | if (rev->commit_format != CMIT_FMT_ONELINE) | |
187 | putchar(rev->diffopt.line_termination); | |
188 | } | |
189 | printf(_("Final output: %d %s\n"), nr, stage); | |
190 | } | |
191 | ||
192 | static struct itimerval early_output_timer; | |
193 | ||
194 | static void log_show_early(struct rev_info *revs, struct commit_list *list) | |
195 | { | |
196 | int i = revs->early_output; | |
197 | int show_header = 1; | |
198 | ||
199 | sort_in_topological_order(&list, revs->lifo); | |
200 | while (list && i) { | |
201 | struct commit *commit = list->item; | |
202 | switch (simplify_commit(revs, commit)) { | |
203 | case commit_show: | |
204 | if (show_header) { | |
205 | int n = estimate_commit_count(revs, list); | |
206 | show_early_header(revs, "incomplete", n); | |
207 | show_header = 0; | |
208 | } | |
209 | log_tree_commit(revs, commit); | |
210 | i--; | |
211 | break; | |
212 | case commit_ignore: | |
213 | break; | |
214 | case commit_error: | |
215 | return; | |
216 | } | |
217 | list = list->next; | |
218 | } | |
219 | ||
220 | /* Did we already get enough commits for the early output? */ | |
221 | if (!i) | |
222 | return; | |
223 | ||
224 | /* | |
225 | * ..if no, then repeat it twice a second until we | |
226 | * do. | |
227 | * | |
228 | * NOTE! We don't use "it_interval", because if the | |
229 | * reader isn't listening, we want our output to be | |
230 | * throttled by the writing, and not have the timer | |
231 | * trigger every second even if we're blocked on a | |
232 | * reader! | |
233 | */ | |
234 | early_output_timer.it_value.tv_sec = 0; | |
235 | early_output_timer.it_value.tv_usec = 500000; | |
236 | setitimer(ITIMER_REAL, &early_output_timer, NULL); | |
237 | } | |
238 | ||
239 | static void early_output(int signal) | |
240 | { | |
241 | show_early_output = log_show_early; | |
242 | } | |
243 | ||
244 | static void setup_early_output(struct rev_info *rev) | |
245 | { | |
246 | struct sigaction sa; | |
247 | ||
248 | /* | |
249 | * Set up the signal handler, minimally intrusively: | |
250 | * we only set a single volatile integer word (not | |
251 | * using sigatomic_t - trying to avoid unnecessary | |
252 | * system dependencies and headers), and using | |
253 | * SA_RESTART. | |
254 | */ | |
255 | memset(&sa, 0, sizeof(sa)); | |
256 | sa.sa_handler = early_output; | |
257 | sigemptyset(&sa.sa_mask); | |
258 | sa.sa_flags = SA_RESTART; | |
259 | sigaction(SIGALRM, &sa, NULL); | |
260 | ||
261 | /* | |
262 | * If we can get the whole output in less than a | |
263 | * tenth of a second, don't even bother doing the | |
264 | * early-output thing.. | |
265 | * | |
266 | * This is a one-time-only trigger. | |
267 | */ | |
268 | early_output_timer.it_value.tv_sec = 0; | |
269 | early_output_timer.it_value.tv_usec = 100000; | |
270 | setitimer(ITIMER_REAL, &early_output_timer, NULL); | |
271 | } | |
272 | ||
273 | static void finish_early_output(struct rev_info *rev) | |
274 | { | |
275 | int n = estimate_commit_count(rev, rev->commits); | |
276 | signal(SIGALRM, SIG_IGN); | |
277 | show_early_header(rev, "done", n); | |
278 | } | |
279 | ||
280 | static int cmd_log_walk(struct rev_info *rev) | |
281 | { | |
282 | struct commit *commit; | |
283 | int saved_nrl = 0; | |
284 | int saved_dcctc = 0; | |
285 | ||
286 | if (rev->early_output) | |
287 | setup_early_output(rev); | |
288 | ||
289 | if (prepare_revision_walk(rev)) | |
290 | die(_("revision walk setup failed")); | |
291 | ||
292 | if (rev->early_output) | |
293 | finish_early_output(rev); | |
294 | ||
295 | /* | |
296 | * For --check and --exit-code, the exit code is based on CHECK_FAILED | |
297 | * and HAS_CHANGES being accumulated in rev->diffopt, so be careful to | |
298 | * retain that state information if replacing rev->diffopt in this loop | |
299 | */ | |
300 | while ((commit = get_revision(rev)) != NULL) { | |
301 | if (!log_tree_commit(rev, commit) && | |
302 | rev->max_count >= 0) | |
303 | /* | |
304 | * We decremented max_count in get_revision, | |
305 | * but we didn't actually show the commit. | |
306 | */ | |
307 | rev->max_count++; | |
308 | if (!rev->reflog_info) { | |
309 | /* we allow cycles in reflog ancestry */ | |
310 | free(commit->buffer); | |
311 | commit->buffer = NULL; | |
312 | } | |
313 | free_commit_list(commit->parents); | |
314 | commit->parents = NULL; | |
315 | if (saved_nrl < rev->diffopt.needed_rename_limit) | |
316 | saved_nrl = rev->diffopt.needed_rename_limit; | |
317 | if (rev->diffopt.degraded_cc_to_c) | |
318 | saved_dcctc = 1; | |
319 | } | |
320 | rev->diffopt.degraded_cc_to_c = saved_dcctc; | |
321 | rev->diffopt.needed_rename_limit = saved_nrl; | |
322 | ||
323 | if (rev->diffopt.output_format & DIFF_FORMAT_CHECKDIFF && | |
324 | DIFF_OPT_TST(&rev->diffopt, CHECK_FAILED)) { | |
325 | return 02; | |
326 | } | |
327 | return diff_result_code(&rev->diffopt, 0); | |
328 | } | |
329 | ||
330 | static int git_log_config(const char *var, const char *value, void *cb) | |
331 | { | |
332 | if (!strcmp(var, "format.pretty")) | |
333 | return git_config_string(&fmt_pretty, var, value); | |
334 | if (!strcmp(var, "format.subjectprefix")) | |
335 | return git_config_string(&fmt_patch_subject_prefix, var, value); | |
336 | if (!strcmp(var, "log.abbrevcommit")) { | |
337 | default_abbrev_commit = git_config_bool(var, value); | |
338 | return 0; | |
339 | } | |
340 | if (!strcmp(var, "log.date")) | |
341 | return git_config_string(&default_date_mode, var, value); | |
342 | if (!strcmp(var, "log.decorate")) { | |
343 | decoration_style = parse_decoration_style(var, value); | |
344 | if (decoration_style < 0) | |
345 | decoration_style = 0; /* maybe warn? */ | |
346 | return 0; | |
347 | } | |
348 | if (!strcmp(var, "log.showroot")) { | |
349 | default_show_root = git_config_bool(var, value); | |
350 | return 0; | |
351 | } | |
352 | if (!prefixcmp(var, "color.decorate.")) | |
353 | return parse_decorate_color_config(var, 15, value); | |
354 | ||
355 | return git_diff_ui_config(var, value, cb); | |
356 | } | |
357 | ||
358 | int cmd_whatchanged(int argc, const char **argv, const char *prefix) | |
359 | { | |
360 | struct rev_info rev; | |
361 | struct setup_revision_opt opt; | |
362 | ||
363 | git_config(git_log_config, NULL); | |
364 | ||
365 | init_revisions(&rev, prefix); | |
366 | rev.diff = 1; | |
367 | rev.simplify_history = 0; | |
368 | memset(&opt, 0, sizeof(opt)); | |
369 | opt.def = "HEAD"; | |
370 | opt.revarg_opt = REVARG_COMMITTISH; | |
371 | cmd_log_init(argc, argv, prefix, &rev, &opt); | |
372 | if (!rev.diffopt.output_format) | |
373 | rev.diffopt.output_format = DIFF_FORMAT_RAW; | |
374 | return cmd_log_walk(&rev); | |
375 | } | |
376 | ||
377 | static void show_tagger(char *buf, int len, struct rev_info *rev) | |
378 | { | |
379 | struct strbuf out = STRBUF_INIT; | |
380 | struct pretty_print_context pp = {0}; | |
381 | ||
382 | pp.fmt = rev->commit_format; | |
383 | pp.date_mode = rev->date_mode; | |
384 | pp_user_info(&pp, "Tagger", &out, buf, get_log_output_encoding()); | |
385 | printf("%s", out.buf); | |
386 | strbuf_release(&out); | |
387 | } | |
388 | ||
389 | static int show_blob_object(const unsigned char *sha1, struct rev_info *rev) | |
390 | { | |
391 | fflush(stdout); | |
392 | return stream_blob_to_fd(1, sha1, NULL, 0); | |
393 | } | |
394 | ||
395 | static int show_tag_object(const unsigned char *sha1, struct rev_info *rev) | |
396 | { | |
397 | unsigned long size; | |
398 | enum object_type type; | |
399 | char *buf = read_sha1_file(sha1, &type, &size); | |
400 | int offset = 0; | |
401 | ||
402 | if (!buf) | |
403 | return error(_("Could not read object %s"), sha1_to_hex(sha1)); | |
404 | ||
405 | assert(type == OBJ_TAG); | |
406 | while (offset < size && buf[offset] != '\n') { | |
407 | int new_offset = offset + 1; | |
408 | while (new_offset < size && buf[new_offset++] != '\n') | |
409 | ; /* do nothing */ | |
410 | if (!prefixcmp(buf + offset, "tagger ")) | |
411 | show_tagger(buf + offset + 7, | |
412 | new_offset - offset - 7, rev); | |
413 | offset = new_offset; | |
414 | } | |
415 | ||
416 | if (offset < size) | |
417 | fwrite(buf + offset, size - offset, 1, stdout); | |
418 | free(buf); | |
419 | return 0; | |
420 | } | |
421 | ||
422 | static int show_tree_object(const unsigned char *sha1, | |
423 | const char *base, int baselen, | |
424 | const char *pathname, unsigned mode, int stage, void *context) | |
425 | { | |
426 | printf("%s%s\n", pathname, S_ISDIR(mode) ? "/" : ""); | |
427 | return 0; | |
428 | } | |
429 | ||
430 | static void show_rev_tweak_rev(struct rev_info *rev, struct setup_revision_opt *opt) | |
431 | { | |
432 | if (rev->ignore_merges) { | |
433 | /* There was no "-m" on the command line */ | |
434 | rev->ignore_merges = 0; | |
435 | if (!rev->first_parent_only && !rev->combine_merges) { | |
436 | /* No "--first-parent", "-c", nor "--cc" */ | |
437 | rev->combine_merges = 1; | |
438 | rev->dense_combined_merges = 1; | |
439 | } | |
440 | } | |
441 | if (!rev->diffopt.output_format) | |
442 | rev->diffopt.output_format = DIFF_FORMAT_PATCH; | |
443 | } | |
444 | ||
445 | int cmd_show(int argc, const char **argv, const char *prefix) | |
446 | { | |
447 | struct rev_info rev; | |
448 | struct object_array_entry *objects; | |
449 | struct setup_revision_opt opt; | |
450 | struct pathspec match_all; | |
451 | int i, count, ret = 0; | |
452 | ||
453 | git_config(git_log_config, NULL); | |
454 | ||
455 | init_pathspec(&match_all, NULL); | |
456 | init_revisions(&rev, prefix); | |
457 | rev.diff = 1; | |
458 | rev.always_show_header = 1; | |
459 | rev.no_walk = REVISION_WALK_NO_WALK_SORTED; | |
460 | rev.diffopt.stat_width = -1; /* Scale to real terminal size */ | |
461 | ||
462 | memset(&opt, 0, sizeof(opt)); | |
463 | opt.def = "HEAD"; | |
464 | opt.tweak = show_rev_tweak_rev; | |
465 | cmd_log_init(argc, argv, prefix, &rev, &opt); | |
466 | ||
467 | if (!rev.no_walk) | |
468 | return cmd_log_walk(&rev); | |
469 | ||
470 | count = rev.pending.nr; | |
471 | objects = rev.pending.objects; | |
472 | for (i = 0; i < count && !ret; i++) { | |
473 | struct object *o = objects[i].item; | |
474 | const char *name = objects[i].name; | |
475 | switch (o->type) { | |
476 | case OBJ_BLOB: | |
477 | ret = show_blob_object(o->sha1, NULL); | |
478 | break; | |
479 | case OBJ_TAG: { | |
480 | struct tag *t = (struct tag *)o; | |
481 | ||
482 | if (rev.shown_one) | |
483 | putchar('\n'); | |
484 | printf("%stag %s%s\n", | |
485 | diff_get_color_opt(&rev.diffopt, DIFF_COMMIT), | |
486 | t->tag, | |
487 | diff_get_color_opt(&rev.diffopt, DIFF_RESET)); | |
488 | ret = show_tag_object(o->sha1, &rev); | |
489 | rev.shown_one = 1; | |
490 | if (ret) | |
491 | break; | |
492 | o = parse_object(t->tagged->sha1); | |
493 | if (!o) | |
494 | ret = error(_("Could not read object %s"), | |
495 | sha1_to_hex(t->tagged->sha1)); | |
496 | objects[i].item = o; | |
497 | i--; | |
498 | break; | |
499 | } | |
500 | case OBJ_TREE: | |
501 | if (rev.shown_one) | |
502 | putchar('\n'); | |
503 | printf("%stree %s%s\n\n", | |
504 | diff_get_color_opt(&rev.diffopt, DIFF_COMMIT), | |
505 | name, | |
506 | diff_get_color_opt(&rev.diffopt, DIFF_RESET)); | |
507 | read_tree_recursive((struct tree *)o, "", 0, 0, &match_all, | |
508 | show_tree_object, NULL); | |
509 | rev.shown_one = 1; | |
510 | break; | |
511 | case OBJ_COMMIT: | |
512 | rev.pending.nr = rev.pending.alloc = 0; | |
513 | rev.pending.objects = NULL; | |
514 | add_object_array(o, name, &rev.pending); | |
515 | ret = cmd_log_walk(&rev); | |
516 | break; | |
517 | default: | |
518 | ret = error(_("Unknown type: %d"), o->type); | |
519 | } | |
520 | } | |
521 | free(objects); | |
522 | return ret; | |
523 | } | |
524 | ||
525 | /* | |
526 | * This is equivalent to "git log -g --abbrev-commit --pretty=oneline" | |
527 | */ | |
528 | int cmd_log_reflog(int argc, const char **argv, const char *prefix) | |
529 | { | |
530 | struct rev_info rev; | |
531 | struct setup_revision_opt opt; | |
532 | ||
533 | git_config(git_log_config, NULL); | |
534 | ||
535 | init_revisions(&rev, prefix); | |
536 | init_reflog_walk(&rev.reflog_info); | |
537 | rev.verbose_header = 1; | |
538 | memset(&opt, 0, sizeof(opt)); | |
539 | opt.def = "HEAD"; | |
540 | cmd_log_init_defaults(&rev); | |
541 | rev.abbrev_commit = 1; | |
542 | rev.commit_format = CMIT_FMT_ONELINE; | |
543 | rev.use_terminator = 1; | |
544 | rev.always_show_header = 1; | |
545 | cmd_log_init_finish(argc, argv, prefix, &rev, &opt); | |
546 | ||
547 | return cmd_log_walk(&rev); | |
548 | } | |
549 | ||
550 | int cmd_log(int argc, const char **argv, const char *prefix) | |
551 | { | |
552 | struct rev_info rev; | |
553 | struct setup_revision_opt opt; | |
554 | ||
555 | git_config(git_log_config, NULL); | |
556 | ||
557 | init_revisions(&rev, prefix); | |
558 | rev.always_show_header = 1; | |
559 | memset(&opt, 0, sizeof(opt)); | |
560 | opt.def = "HEAD"; | |
561 | opt.revarg_opt = REVARG_COMMITTISH; | |
562 | cmd_log_init(argc, argv, prefix, &rev, &opt); | |
563 | return cmd_log_walk(&rev); | |
564 | } | |
565 | ||
566 | /* format-patch */ | |
567 | ||
568 | static const char *fmt_patch_suffix = ".patch"; | |
569 | static int numbered = 0; | |
570 | static int auto_number = 1; | |
571 | ||
572 | static char *default_attach = NULL; | |
573 | ||
574 | static struct string_list extra_hdr; | |
575 | static struct string_list extra_to; | |
576 | static struct string_list extra_cc; | |
577 | ||
578 | static void add_header(const char *value) | |
579 | { | |
580 | struct string_list_item *item; | |
581 | int len = strlen(value); | |
582 | while (len && value[len - 1] == '\n') | |
583 | len--; | |
584 | ||
585 | if (!strncasecmp(value, "to: ", 4)) { | |
586 | item = string_list_append(&extra_to, value + 4); | |
587 | len -= 4; | |
588 | } else if (!strncasecmp(value, "cc: ", 4)) { | |
589 | item = string_list_append(&extra_cc, value + 4); | |
590 | len -= 4; | |
591 | } else { | |
592 | item = string_list_append(&extra_hdr, value); | |
593 | } | |
594 | ||
595 | item->string[len] = '\0'; | |
596 | } | |
597 | ||
598 | #define THREAD_SHALLOW 1 | |
599 | #define THREAD_DEEP 2 | |
600 | static int thread; | |
601 | static int do_signoff; | |
602 | static const char *signature = git_version_string; | |
603 | ||
604 | static int git_format_config(const char *var, const char *value, void *cb) | |
605 | { | |
606 | if (!strcmp(var, "format.headers")) { | |
607 | if (!value) | |
608 | die(_("format.headers without value")); | |
609 | add_header(value); | |
610 | return 0; | |
611 | } | |
612 | if (!strcmp(var, "format.suffix")) | |
613 | return git_config_string(&fmt_patch_suffix, var, value); | |
614 | if (!strcmp(var, "format.to")) { | |
615 | if (!value) | |
616 | return config_error_nonbool(var); | |
617 | string_list_append(&extra_to, value); | |
618 | return 0; | |
619 | } | |
620 | if (!strcmp(var, "format.cc")) { | |
621 | if (!value) | |
622 | return config_error_nonbool(var); | |
623 | string_list_append(&extra_cc, value); | |
624 | return 0; | |
625 | } | |
626 | if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff") || | |
627 | !strcmp(var, "color.ui")) { | |
628 | return 0; | |
629 | } | |
630 | if (!strcmp(var, "format.numbered")) { | |
631 | if (value && !strcasecmp(value, "auto")) { | |
632 | auto_number = 1; | |
633 | return 0; | |
634 | } | |
635 | numbered = git_config_bool(var, value); | |
636 | auto_number = auto_number && numbered; | |
637 | return 0; | |
638 | } | |
639 | if (!strcmp(var, "format.attach")) { | |
640 | if (value && *value) | |
641 | default_attach = xstrdup(value); | |
642 | else | |
643 | default_attach = xstrdup(git_version_string); | |
644 | return 0; | |
645 | } | |
646 | if (!strcmp(var, "format.thread")) { | |
647 | if (value && !strcasecmp(value, "deep")) { | |
648 | thread = THREAD_DEEP; | |
649 | return 0; | |
650 | } | |
651 | if (value && !strcasecmp(value, "shallow")) { | |
652 | thread = THREAD_SHALLOW; | |
653 | return 0; | |
654 | } | |
655 | thread = git_config_bool(var, value) && THREAD_SHALLOW; | |
656 | return 0; | |
657 | } | |
658 | if (!strcmp(var, "format.signoff")) { | |
659 | do_signoff = git_config_bool(var, value); | |
660 | return 0; | |
661 | } | |
662 | if (!strcmp(var, "format.signature")) | |
663 | return git_config_string(&signature, var, value); | |
664 | ||
665 | return git_log_config(var, value, cb); | |
666 | } | |
667 | ||
668 | static FILE *realstdout = NULL; | |
669 | static const char *output_directory = NULL; | |
670 | static int outdir_offset; | |
671 | ||
672 | static int reopen_stdout(struct commit *commit, const char *subject, | |
673 | struct rev_info *rev, int quiet) | |
674 | { | |
675 | struct strbuf filename = STRBUF_INIT; | |
676 | int suffix_len = strlen(fmt_patch_suffix) + 1; | |
677 | ||
678 | if (output_directory) { | |
679 | strbuf_addstr(&filename, output_directory); | |
680 | if (filename.len >= | |
681 | PATH_MAX - FORMAT_PATCH_NAME_MAX - suffix_len) | |
682 | return error(_("name of output directory is too long")); | |
683 | if (filename.buf[filename.len - 1] != '/') | |
684 | strbuf_addch(&filename, '/'); | |
685 | } | |
686 | ||
687 | get_patch_filename(commit, subject, rev->nr, fmt_patch_suffix, &filename); | |
688 | ||
689 | if (!quiet) | |
690 | fprintf(realstdout, "%s\n", filename.buf + outdir_offset); | |
691 | ||
692 | if (freopen(filename.buf, "w", stdout) == NULL) | |
693 | return error(_("Cannot open patch file %s"), filename.buf); | |
694 | ||
695 | strbuf_release(&filename); | |
696 | return 0; | |
697 | } | |
698 | ||
699 | static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids) | |
700 | { | |
701 | struct rev_info check_rev; | |
702 | struct commit *commit; | |
703 | struct object *o1, *o2; | |
704 | unsigned flags1, flags2; | |
705 | ||
706 | if (rev->pending.nr != 2) | |
707 | die(_("Need exactly one range.")); | |
708 | ||
709 | o1 = rev->pending.objects[0].item; | |
710 | flags1 = o1->flags; | |
711 | o2 = rev->pending.objects[1].item; | |
712 | flags2 = o2->flags; | |
713 | ||
714 | if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING)) | |
715 | die(_("Not a range.")); | |
716 | ||
717 | init_patch_ids(ids); | |
718 | ||
719 | /* given a range a..b get all patch ids for b..a */ | |
720 | init_revisions(&check_rev, rev->prefix); | |
721 | check_rev.max_parents = 1; | |
722 | o1->flags ^= UNINTERESTING; | |
723 | o2->flags ^= UNINTERESTING; | |
724 | add_pending_object(&check_rev, o1, "o1"); | |
725 | add_pending_object(&check_rev, o2, "o2"); | |
726 | if (prepare_revision_walk(&check_rev)) | |
727 | die(_("revision walk setup failed")); | |
728 | ||
729 | while ((commit = get_revision(&check_rev)) != NULL) { | |
730 | add_commit_patch_id(commit, ids); | |
731 | } | |
732 | ||
733 | /* reset for next revision walk */ | |
734 | clear_commit_marks((struct commit *)o1, | |
735 | SEEN | UNINTERESTING | SHOWN | ADDED); | |
736 | clear_commit_marks((struct commit *)o2, | |
737 | SEEN | UNINTERESTING | SHOWN | ADDED); | |
738 | o1->flags = flags1; | |
739 | o2->flags = flags2; | |
740 | } | |
741 | ||
742 | static void gen_message_id(struct rev_info *info, char *base) | |
743 | { | |
744 | struct strbuf buf = STRBUF_INIT; | |
745 | strbuf_addf(&buf, "%s.%lu.git.%s", base, | |
746 | (unsigned long) time(NULL), | |
747 | git_committer_info(IDENT_NO_NAME|IDENT_NO_DATE|IDENT_STRICT)); | |
748 | info->message_id = strbuf_detach(&buf, NULL); | |
749 | } | |
750 | ||
751 | static void print_signature(void) | |
752 | { | |
753 | if (signature && *signature) | |
754 | printf("-- \n%s\n\n", signature); | |
755 | } | |
756 | ||
757 | static void add_branch_description(struct strbuf *buf, const char *branch_name) | |
758 | { | |
759 | struct strbuf desc = STRBUF_INIT; | |
760 | if (!branch_name || !*branch_name) | |
761 | return; | |
762 | read_branch_desc(&desc, branch_name); | |
763 | if (desc.len) { | |
764 | strbuf_addch(buf, '\n'); | |
765 | strbuf_add(buf, desc.buf, desc.len); | |
766 | strbuf_addch(buf, '\n'); | |
767 | } | |
768 | } | |
769 | ||
770 | static void make_cover_letter(struct rev_info *rev, int use_stdout, | |
771 | int numbered, int numbered_files, | |
772 | struct commit *origin, | |
773 | int nr, struct commit **list, struct commit *head, | |
774 | const char *branch_name, | |
775 | int quiet) | |
776 | { | |
777 | const char *committer; | |
778 | const char *body = "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n"; | |
779 | const char *msg; | |
780 | struct shortlog log; | |
781 | struct strbuf sb = STRBUF_INIT; | |
782 | int i; | |
783 | const char *encoding = "UTF-8"; | |
784 | struct diff_options opts; | |
785 | int need_8bit_cte = 0; | |
786 | struct pretty_print_context pp = {0}; | |
787 | ||
788 | if (rev->commit_format != CMIT_FMT_EMAIL) | |
789 | die(_("Cover letter needs email format")); | |
790 | ||
791 | committer = git_committer_info(0); | |
792 | ||
793 | if (!use_stdout && | |
794 | reopen_stdout(NULL, numbered_files ? NULL : "cover-letter", rev, quiet)) | |
795 | return; | |
796 | ||
797 | log_write_email_headers(rev, head, &pp.subject, &pp.after_subject, | |
798 | &need_8bit_cte); | |
799 | ||
800 | for (i = 0; !need_8bit_cte && i < nr; i++) | |
801 | if (has_non_ascii(list[i]->buffer)) | |
802 | need_8bit_cte = 1; | |
803 | ||
804 | msg = body; | |
805 | pp.fmt = CMIT_FMT_EMAIL; | |
806 | pp.date_mode = DATE_RFC2822; | |
807 | pp_user_info(&pp, NULL, &sb, committer, encoding); | |
808 | pp_title_line(&pp, &msg, &sb, encoding, need_8bit_cte); | |
809 | pp_remainder(&pp, &msg, &sb, 0); | |
810 | add_branch_description(&sb, branch_name); | |
811 | printf("%s\n", sb.buf); | |
812 | ||
813 | strbuf_release(&sb); | |
814 | ||
815 | shortlog_init(&log); | |
816 | log.wrap_lines = 1; | |
817 | log.wrap = 72; | |
818 | log.in1 = 2; | |
819 | log.in2 = 4; | |
820 | for (i = 0; i < nr; i++) | |
821 | shortlog_add_commit(&log, list[i]); | |
822 | ||
823 | shortlog_output(&log); | |
824 | ||
825 | /* | |
826 | * We can only do diffstat with a unique reference point | |
827 | */ | |
828 | if (!origin) | |
829 | return; | |
830 | ||
831 | memcpy(&opts, &rev->diffopt, sizeof(opts)); | |
832 | opts.output_format = DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT; | |
833 | ||
834 | diff_setup_done(&opts); | |
835 | ||
836 | diff_tree_sha1(origin->tree->object.sha1, | |
837 | head->tree->object.sha1, | |
838 | "", &opts); | |
839 | diffcore_std(&opts); | |
840 | diff_flush(&opts); | |
841 | ||
842 | printf("\n"); | |
843 | print_signature(); | |
844 | } | |
845 | ||
846 | static const char *clean_message_id(const char *msg_id) | |
847 | { | |
848 | char ch; | |
849 | const char *a, *z, *m; | |
850 | ||
851 | m = msg_id; | |
852 | while ((ch = *m) && (isspace(ch) || (ch == '<'))) | |
853 | m++; | |
854 | a = m; | |
855 | z = NULL; | |
856 | while ((ch = *m)) { | |
857 | if (!isspace(ch) && (ch != '>')) | |
858 | z = m; | |
859 | m++; | |
860 | } | |
861 | if (!z) | |
862 | die(_("insane in-reply-to: %s"), msg_id); | |
863 | if (++z == m) | |
864 | return a; | |
865 | return xmemdupz(a, z - a); | |
866 | } | |
867 | ||
868 | static const char *set_outdir(const char *prefix, const char *output_directory) | |
869 | { | |
870 | if (output_directory && is_absolute_path(output_directory)) | |
871 | return output_directory; | |
872 | ||
873 | if (!prefix || !*prefix) { | |
874 | if (output_directory) | |
875 | return output_directory; | |
876 | /* The user did not explicitly ask for "./" */ | |
877 | outdir_offset = 2; | |
878 | return "./"; | |
879 | } | |
880 | ||
881 | outdir_offset = strlen(prefix); | |
882 | if (!output_directory) | |
883 | return prefix; | |
884 | ||
885 | return xstrdup(prefix_filename(prefix, outdir_offset, | |
886 | output_directory)); | |
887 | } | |
888 | ||
889 | static const char * const builtin_format_patch_usage[] = { | |
890 | N_("git format-patch [options] [<since> | <revision range>]"), | |
891 | NULL | |
892 | }; | |
893 | ||
894 | static int keep_subject = 0; | |
895 | ||
896 | static int keep_callback(const struct option *opt, const char *arg, int unset) | |
897 | { | |
898 | ((struct rev_info *)opt->value)->total = -1; | |
899 | keep_subject = 1; | |
900 | return 0; | |
901 | } | |
902 | ||
903 | static int subject_prefix = 0; | |
904 | ||
905 | static int subject_prefix_callback(const struct option *opt, const char *arg, | |
906 | int unset) | |
907 | { | |
908 | subject_prefix = 1; | |
909 | ((struct rev_info *)opt->value)->subject_prefix = arg; | |
910 | return 0; | |
911 | } | |
912 | ||
913 | static int numbered_cmdline_opt = 0; | |
914 | ||
915 | static int numbered_callback(const struct option *opt, const char *arg, | |
916 | int unset) | |
917 | { | |
918 | *(int *)opt->value = numbered_cmdline_opt = unset ? 0 : 1; | |
919 | if (unset) | |
920 | auto_number = 0; | |
921 | return 0; | |
922 | } | |
923 | ||
924 | static int no_numbered_callback(const struct option *opt, const char *arg, | |
925 | int unset) | |
926 | { | |
927 | return numbered_callback(opt, arg, 1); | |
928 | } | |
929 | ||
930 | static int output_directory_callback(const struct option *opt, const char *arg, | |
931 | int unset) | |
932 | { | |
933 | const char **dir = (const char **)opt->value; | |
934 | if (*dir) | |
935 | die(_("Two output directories?")); | |
936 | *dir = arg; | |
937 | return 0; | |
938 | } | |
939 | ||
940 | static int thread_callback(const struct option *opt, const char *arg, int unset) | |
941 | { | |
942 | int *thread = (int *)opt->value; | |
943 | if (unset) | |
944 | *thread = 0; | |
945 | else if (!arg || !strcmp(arg, "shallow")) | |
946 | *thread = THREAD_SHALLOW; | |
947 | else if (!strcmp(arg, "deep")) | |
948 | *thread = THREAD_DEEP; | |
949 | else | |
950 | return 1; | |
951 | return 0; | |
952 | } | |
953 | ||
954 | static int attach_callback(const struct option *opt, const char *arg, int unset) | |
955 | { | |
956 | struct rev_info *rev = (struct rev_info *)opt->value; | |
957 | if (unset) | |
958 | rev->mime_boundary = NULL; | |
959 | else if (arg) | |
960 | rev->mime_boundary = arg; | |
961 | else | |
962 | rev->mime_boundary = git_version_string; | |
963 | rev->no_inline = unset ? 0 : 1; | |
964 | return 0; | |
965 | } | |
966 | ||
967 | static int inline_callback(const struct option *opt, const char *arg, int unset) | |
968 | { | |
969 | struct rev_info *rev = (struct rev_info *)opt->value; | |
970 | if (unset) | |
971 | rev->mime_boundary = NULL; | |
972 | else if (arg) | |
973 | rev->mime_boundary = arg; | |
974 | else | |
975 | rev->mime_boundary = git_version_string; | |
976 | rev->no_inline = 0; | |
977 | return 0; | |
978 | } | |
979 | ||
980 | static int header_callback(const struct option *opt, const char *arg, int unset) | |
981 | { | |
982 | if (unset) { | |
983 | string_list_clear(&extra_hdr, 0); | |
984 | string_list_clear(&extra_to, 0); | |
985 | string_list_clear(&extra_cc, 0); | |
986 | } else { | |
987 | add_header(arg); | |
988 | } | |
989 | return 0; | |
990 | } | |
991 | ||
992 | static int to_callback(const struct option *opt, const char *arg, int unset) | |
993 | { | |
994 | if (unset) | |
995 | string_list_clear(&extra_to, 0); | |
996 | else | |
997 | string_list_append(&extra_to, arg); | |
998 | return 0; | |
999 | } | |
1000 | ||
1001 | static int cc_callback(const struct option *opt, const char *arg, int unset) | |
1002 | { | |
1003 | if (unset) | |
1004 | string_list_clear(&extra_cc, 0); | |
1005 | else | |
1006 | string_list_append(&extra_cc, arg); | |
1007 | return 0; | |
1008 | } | |
1009 | ||
1010 | static char *find_branch_name(struct rev_info *rev) | |
1011 | { | |
1012 | int i, positive = -1; | |
1013 | unsigned char branch_sha1[20]; | |
1014 | struct strbuf buf = STRBUF_INIT; | |
1015 | const char *branch; | |
1016 | ||
1017 | for (i = 0; i < rev->cmdline.nr; i++) { | |
1018 | if (rev->cmdline.rev[i].flags & UNINTERESTING) | |
1019 | continue; | |
1020 | if (positive < 0) | |
1021 | positive = i; | |
1022 | else | |
1023 | return NULL; | |
1024 | } | |
1025 | if (positive < 0) | |
1026 | return NULL; | |
1027 | strbuf_addf(&buf, "refs/heads/%s", rev->cmdline.rev[positive].name); | |
1028 | branch = resolve_ref_unsafe(buf.buf, branch_sha1, 1, NULL); | |
1029 | if (!branch || | |
1030 | prefixcmp(branch, "refs/heads/") || | |
1031 | hashcmp(rev->cmdline.rev[positive].item->sha1, branch_sha1)) | |
1032 | branch = NULL; | |
1033 | strbuf_release(&buf); | |
1034 | if (branch) | |
1035 | return xstrdup(rev->cmdline.rev[positive].name); | |
1036 | return NULL; | |
1037 | } | |
1038 | ||
1039 | int cmd_format_patch(int argc, const char **argv, const char *prefix) | |
1040 | { | |
1041 | struct commit *commit; | |
1042 | struct commit **list = NULL; | |
1043 | struct rev_info rev; | |
1044 | struct setup_revision_opt s_r_opt; | |
1045 | int nr = 0, total, i; | |
1046 | int use_stdout = 0; | |
1047 | int start_number = -1; | |
1048 | int numbered_files = 0; /* _just_ numbers */ | |
1049 | int ignore_if_in_upstream = 0; | |
1050 | int cover_letter = 0; | |
1051 | int boundary_count = 0; | |
1052 | int no_binary_diff = 0; | |
1053 | struct commit *origin = NULL, *head = NULL; | |
1054 | const char *in_reply_to = NULL; | |
1055 | struct patch_ids ids; | |
1056 | char *add_signoff = NULL; | |
1057 | struct strbuf buf = STRBUF_INIT; | |
1058 | int use_patch_format = 0; | |
1059 | int quiet = 0; | |
1060 | char *branch_name = NULL; | |
1061 | const struct option builtin_format_patch_options[] = { | |
1062 | { OPTION_CALLBACK, 'n', "numbered", &numbered, NULL, | |
1063 | N_("use [PATCH n/m] even with a single patch"), | |
1064 | PARSE_OPT_NOARG, numbered_callback }, | |
1065 | { OPTION_CALLBACK, 'N', "no-numbered", &numbered, NULL, | |
1066 | N_("use [PATCH] even with multiple patches"), | |
1067 | PARSE_OPT_NOARG, no_numbered_callback }, | |
1068 | OPT_BOOLEAN('s', "signoff", &do_signoff, N_("add Signed-off-by:")), | |
1069 | OPT_BOOLEAN(0, "stdout", &use_stdout, | |
1070 | N_("print patches to standard out")), | |
1071 | OPT_BOOLEAN(0, "cover-letter", &cover_letter, | |
1072 | N_("generate a cover letter")), | |
1073 | OPT_BOOLEAN(0, "numbered-files", &numbered_files, | |
1074 | N_("use simple number sequence for output file names")), | |
1075 | OPT_STRING(0, "suffix", &fmt_patch_suffix, N_("sfx"), | |
1076 | N_("use <sfx> instead of '.patch'")), | |
1077 | OPT_INTEGER(0, "start-number", &start_number, | |
1078 | N_("start numbering patches at <n> instead of 1")), | |
1079 | { OPTION_CALLBACK, 0, "subject-prefix", &rev, N_("prefix"), | |
1080 | N_("Use [<prefix>] instead of [PATCH]"), | |
1081 | PARSE_OPT_NONEG, subject_prefix_callback }, | |
1082 | { OPTION_CALLBACK, 'o', "output-directory", &output_directory, | |
1083 | N_("dir"), N_("store resulting files in <dir>"), | |
1084 | PARSE_OPT_NONEG, output_directory_callback }, | |
1085 | { OPTION_CALLBACK, 'k', "keep-subject", &rev, NULL, | |
1086 | N_("don't strip/add [PATCH]"), | |
1087 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, keep_callback }, | |
1088 | OPT_BOOLEAN(0, "no-binary", &no_binary_diff, | |
1089 | N_("don't output binary diffs")), | |
1090 | OPT_BOOLEAN(0, "ignore-if-in-upstream", &ignore_if_in_upstream, | |
1091 | N_("don't include a patch matching a commit upstream")), | |
1092 | { OPTION_BOOLEAN, 'p', "no-stat", &use_patch_format, NULL, | |
1093 | N_("show patch format instead of default (patch + stat)"), | |
1094 | PARSE_OPT_NONEG | PARSE_OPT_NOARG }, | |
1095 | OPT_GROUP(N_("Messaging")), | |
1096 | { OPTION_CALLBACK, 0, "add-header", NULL, N_("header"), | |
1097 | N_("add email header"), 0, header_callback }, | |
1098 | { OPTION_CALLBACK, 0, "to", NULL, N_("email"), N_("add To: header"), | |
1099 | 0, to_callback }, | |
1100 | { OPTION_CALLBACK, 0, "cc", NULL, N_("email"), N_("add Cc: header"), | |
1101 | 0, cc_callback }, | |
1102 | OPT_STRING(0, "in-reply-to", &in_reply_to, N_("message-id"), | |
1103 | N_("make first mail a reply to <message-id>")), | |
1104 | { OPTION_CALLBACK, 0, "attach", &rev, N_("boundary"), | |
1105 | N_("attach the patch"), PARSE_OPT_OPTARG, | |
1106 | attach_callback }, | |
1107 | { OPTION_CALLBACK, 0, "inline", &rev, N_("boundary"), | |
1108 | N_("inline the patch"), | |
1109 | PARSE_OPT_OPTARG | PARSE_OPT_NONEG, | |
1110 | inline_callback }, | |
1111 | { OPTION_CALLBACK, 0, "thread", &thread, N_("style"), | |
1112 | N_("enable message threading, styles: shallow, deep"), | |
1113 | PARSE_OPT_OPTARG, thread_callback }, | |
1114 | OPT_STRING(0, "signature", &signature, N_("signature"), | |
1115 | N_("add a signature")), | |
1116 | OPT_BOOLEAN(0, "quiet", &quiet, | |
1117 | N_("don't print the patch filenames")), | |
1118 | OPT_END() | |
1119 | }; | |
1120 | ||
1121 | extra_hdr.strdup_strings = 1; | |
1122 | extra_to.strdup_strings = 1; | |
1123 | extra_cc.strdup_strings = 1; | |
1124 | git_config(git_format_config, NULL); | |
1125 | init_revisions(&rev, prefix); | |
1126 | rev.commit_format = CMIT_FMT_EMAIL; | |
1127 | rev.verbose_header = 1; | |
1128 | rev.diff = 1; | |
1129 | rev.max_parents = 1; | |
1130 | DIFF_OPT_SET(&rev.diffopt, RECURSIVE); | |
1131 | rev.subject_prefix = fmt_patch_subject_prefix; | |
1132 | memset(&s_r_opt, 0, sizeof(s_r_opt)); | |
1133 | s_r_opt.def = "HEAD"; | |
1134 | s_r_opt.revarg_opt = REVARG_COMMITTISH; | |
1135 | ||
1136 | if (default_attach) { | |
1137 | rev.mime_boundary = default_attach; | |
1138 | rev.no_inline = 1; | |
1139 | } | |
1140 | ||
1141 | /* | |
1142 | * Parse the arguments before setup_revisions(), or something | |
1143 | * like "git format-patch -o a123 HEAD^.." may fail; a123 is | |
1144 | * possibly a valid SHA1. | |
1145 | */ | |
1146 | argc = parse_options(argc, argv, prefix, builtin_format_patch_options, | |
1147 | builtin_format_patch_usage, | |
1148 | PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN | | |
1149 | PARSE_OPT_KEEP_DASHDASH); | |
1150 | ||
1151 | if (do_signoff) { | |
1152 | const char *committer; | |
1153 | const char *endpos; | |
1154 | committer = git_committer_info(IDENT_STRICT); | |
1155 | endpos = strchr(committer, '>'); | |
1156 | if (!endpos) | |
1157 | die(_("bogus committer info %s"), committer); | |
1158 | add_signoff = xmemdupz(committer, endpos - committer + 1); | |
1159 | } | |
1160 | ||
1161 | for (i = 0; i < extra_hdr.nr; i++) { | |
1162 | strbuf_addstr(&buf, extra_hdr.items[i].string); | |
1163 | strbuf_addch(&buf, '\n'); | |
1164 | } | |
1165 | ||
1166 | if (extra_to.nr) | |
1167 | strbuf_addstr(&buf, "To: "); | |
1168 | for (i = 0; i < extra_to.nr; i++) { | |
1169 | if (i) | |
1170 | strbuf_addstr(&buf, " "); | |
1171 | strbuf_addstr(&buf, extra_to.items[i].string); | |
1172 | if (i + 1 < extra_to.nr) | |
1173 | strbuf_addch(&buf, ','); | |
1174 | strbuf_addch(&buf, '\n'); | |
1175 | } | |
1176 | ||
1177 | if (extra_cc.nr) | |
1178 | strbuf_addstr(&buf, "Cc: "); | |
1179 | for (i = 0; i < extra_cc.nr; i++) { | |
1180 | if (i) | |
1181 | strbuf_addstr(&buf, " "); | |
1182 | strbuf_addstr(&buf, extra_cc.items[i].string); | |
1183 | if (i + 1 < extra_cc.nr) | |
1184 | strbuf_addch(&buf, ','); | |
1185 | strbuf_addch(&buf, '\n'); | |
1186 | } | |
1187 | ||
1188 | rev.extra_headers = strbuf_detach(&buf, NULL); | |
1189 | ||
1190 | if (start_number < 0) | |
1191 | start_number = 1; | |
1192 | ||
1193 | /* | |
1194 | * If numbered is set solely due to format.numbered in config, | |
1195 | * and it would conflict with --keep-subject (-k) from the | |
1196 | * command line, reset "numbered". | |
1197 | */ | |
1198 | if (numbered && keep_subject && !numbered_cmdline_opt) | |
1199 | numbered = 0; | |
1200 | ||
1201 | if (numbered && keep_subject) | |
1202 | die (_("-n and -k are mutually exclusive.")); | |
1203 | if (keep_subject && subject_prefix) | |
1204 | die (_("--subject-prefix and -k are mutually exclusive.")); | |
1205 | rev.preserve_subject = keep_subject; | |
1206 | ||
1207 | argc = setup_revisions(argc, argv, &rev, &s_r_opt); | |
1208 | if (argc > 1) | |
1209 | die (_("unrecognized argument: %s"), argv[1]); | |
1210 | ||
1211 | if (rev.diffopt.output_format & DIFF_FORMAT_NAME) | |
1212 | die(_("--name-only does not make sense")); | |
1213 | if (rev.diffopt.output_format & DIFF_FORMAT_NAME_STATUS) | |
1214 | die(_("--name-status does not make sense")); | |
1215 | if (rev.diffopt.output_format & DIFF_FORMAT_CHECKDIFF) | |
1216 | die(_("--check does not make sense")); | |
1217 | ||
1218 | if (!use_patch_format && | |
1219 | (!rev.diffopt.output_format || | |
1220 | rev.diffopt.output_format == DIFF_FORMAT_PATCH)) | |
1221 | rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_SUMMARY; | |
1222 | ||
1223 | /* Always generate a patch */ | |
1224 | rev.diffopt.output_format |= DIFF_FORMAT_PATCH; | |
1225 | ||
1226 | if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff) | |
1227 | DIFF_OPT_SET(&rev.diffopt, BINARY); | |
1228 | ||
1229 | if (rev.show_notes) | |
1230 | init_display_notes(&rev.notes_opt); | |
1231 | ||
1232 | if (!use_stdout) | |
1233 | output_directory = set_outdir(prefix, output_directory); | |
1234 | else | |
1235 | setup_pager(); | |
1236 | ||
1237 | if (output_directory) { | |
1238 | if (use_stdout) | |
1239 | die(_("standard output, or directory, which one?")); | |
1240 | if (mkdir(output_directory, 0777) < 0 && errno != EEXIST) | |
1241 | die_errno(_("Could not create directory '%s'"), | |
1242 | output_directory); | |
1243 | } | |
1244 | ||
1245 | if (rev.pending.nr == 1) { | |
1246 | if (rev.max_count < 0 && !rev.show_root_diff) { | |
1247 | /* | |
1248 | * This is traditional behaviour of "git format-patch | |
1249 | * origin" that prepares what the origin side still | |
1250 | * does not have. | |
1251 | */ | |
1252 | unsigned char sha1[20]; | |
1253 | const char *ref; | |
1254 | ||
1255 | rev.pending.objects[0].item->flags |= UNINTERESTING; | |
1256 | add_head_to_pending(&rev); | |
1257 | ref = resolve_ref_unsafe("HEAD", sha1, 1, NULL); | |
1258 | if (ref && !prefixcmp(ref, "refs/heads/")) | |
1259 | branch_name = xstrdup(ref + strlen("refs/heads/")); | |
1260 | else | |
1261 | branch_name = xstrdup(""); /* no branch */ | |
1262 | } | |
1263 | /* | |
1264 | * Otherwise, it is "format-patch -22 HEAD", and/or | |
1265 | * "format-patch --root HEAD". The user wants | |
1266 | * get_revision() to do the usual traversal. | |
1267 | */ | |
1268 | } | |
1269 | ||
1270 | /* | |
1271 | * We cannot move this anywhere earlier because we do want to | |
1272 | * know if --root was given explicitly from the command line. | |
1273 | */ | |
1274 | rev.show_root_diff = 1; | |
1275 | ||
1276 | if (cover_letter) { | |
1277 | /* | |
1278 | * NEEDSWORK:randomly pick one positive commit to show | |
1279 | * diffstat; this is often the tip and the command | |
1280 | * happens to do the right thing in most cases, but a | |
1281 | * complex command like "--cover-letter a b c ^bottom" | |
1282 | * picks "c" and shows diffstat between bottom..c | |
1283 | * which may not match what the series represents at | |
1284 | * all and totally broken. | |
1285 | */ | |
1286 | int i; | |
1287 | for (i = 0; i < rev.pending.nr; i++) { | |
1288 | struct object *o = rev.pending.objects[i].item; | |
1289 | if (!(o->flags & UNINTERESTING)) | |
1290 | head = (struct commit *)o; | |
1291 | } | |
1292 | /* There is nothing to show; it is not an error, though. */ | |
1293 | if (!head) | |
1294 | return 0; | |
1295 | if (!branch_name) | |
1296 | branch_name = find_branch_name(&rev); | |
1297 | } | |
1298 | ||
1299 | if (ignore_if_in_upstream) { | |
1300 | /* Don't say anything if head and upstream are the same. */ | |
1301 | if (rev.pending.nr == 2) { | |
1302 | struct object_array_entry *o = rev.pending.objects; | |
1303 | if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0) | |
1304 | return 0; | |
1305 | } | |
1306 | get_patch_ids(&rev, &ids); | |
1307 | } | |
1308 | ||
1309 | if (!use_stdout) | |
1310 | realstdout = xfdopen(xdup(1), "w"); | |
1311 | ||
1312 | if (prepare_revision_walk(&rev)) | |
1313 | die(_("revision walk setup failed")); | |
1314 | rev.boundary = 1; | |
1315 | while ((commit = get_revision(&rev)) != NULL) { | |
1316 | if (commit->object.flags & BOUNDARY) { | |
1317 | boundary_count++; | |
1318 | origin = (boundary_count == 1) ? commit : NULL; | |
1319 | continue; | |
1320 | } | |
1321 | ||
1322 | if (ignore_if_in_upstream && | |
1323 | has_commit_patch_id(commit, &ids)) | |
1324 | continue; | |
1325 | ||
1326 | nr++; | |
1327 | list = xrealloc(list, nr * sizeof(list[0])); | |
1328 | list[nr - 1] = commit; | |
1329 | } | |
1330 | total = nr; | |
1331 | if (!keep_subject && auto_number && total > 1) | |
1332 | numbered = 1; | |
1333 | if (numbered) | |
1334 | rev.total = total + start_number - 1; | |
1335 | if (in_reply_to || thread || cover_letter) | |
1336 | rev.ref_message_ids = xcalloc(1, sizeof(struct string_list)); | |
1337 | if (in_reply_to) { | |
1338 | const char *msgid = clean_message_id(in_reply_to); | |
1339 | string_list_append(rev.ref_message_ids, msgid); | |
1340 | } | |
1341 | rev.numbered_files = numbered_files; | |
1342 | rev.patch_suffix = fmt_patch_suffix; | |
1343 | if (cover_letter) { | |
1344 | if (thread) | |
1345 | gen_message_id(&rev, "cover"); | |
1346 | make_cover_letter(&rev, use_stdout, numbered, numbered_files, | |
1347 | origin, nr, list, head, branch_name, quiet); | |
1348 | total++; | |
1349 | start_number--; | |
1350 | } | |
1351 | rev.add_signoff = add_signoff; | |
1352 | while (0 <= --nr) { | |
1353 | int shown; | |
1354 | commit = list[nr]; | |
1355 | rev.nr = total - nr + (start_number - 1); | |
1356 | /* Make the second and subsequent mails replies to the first */ | |
1357 | if (thread) { | |
1358 | /* Have we already had a message ID? */ | |
1359 | if (rev.message_id) { | |
1360 | /* | |
1361 | * For deep threading: make every mail | |
1362 | * a reply to the previous one, no | |
1363 | * matter what other options are set. | |
1364 | * | |
1365 | * For shallow threading: | |
1366 | * | |
1367 | * Without --cover-letter and | |
1368 | * --in-reply-to, make every mail a | |
1369 | * reply to the one before. | |
1370 | * | |
1371 | * With --in-reply-to but no | |
1372 | * --cover-letter, make every mail a | |
1373 | * reply to the <reply-to>. | |
1374 | * | |
1375 | * With --cover-letter, make every | |
1376 | * mail but the cover letter a reply | |
1377 | * to the cover letter. The cover | |
1378 | * letter is a reply to the | |
1379 | * --in-reply-to, if specified. | |
1380 | */ | |
1381 | if (thread == THREAD_SHALLOW | |
1382 | && rev.ref_message_ids->nr > 0 | |
1383 | && (!cover_letter || rev.nr > 1)) | |
1384 | free(rev.message_id); | |
1385 | else | |
1386 | string_list_append(rev.ref_message_ids, | |
1387 | rev.message_id); | |
1388 | } | |
1389 | gen_message_id(&rev, sha1_to_hex(commit->object.sha1)); | |
1390 | } | |
1391 | ||
1392 | if (!use_stdout && | |
1393 | reopen_stdout(numbered_files ? NULL : commit, NULL, &rev, quiet)) | |
1394 | die(_("Failed to create output files")); | |
1395 | shown = log_tree_commit(&rev, commit); | |
1396 | free(commit->buffer); | |
1397 | commit->buffer = NULL; | |
1398 | ||
1399 | /* We put one extra blank line between formatted | |
1400 | * patches and this flag is used by log-tree code | |
1401 | * to see if it needs to emit a LF before showing | |
1402 | * the log; when using one file per patch, we do | |
1403 | * not want the extra blank line. | |
1404 | */ | |
1405 | if (!use_stdout) | |
1406 | rev.shown_one = 0; | |
1407 | if (shown) { | |
1408 | if (rev.mime_boundary) | |
1409 | printf("\n--%s%s--\n\n\n", | |
1410 | mime_boundary_leader, | |
1411 | rev.mime_boundary); | |
1412 | else | |
1413 | print_signature(); | |
1414 | } | |
1415 | if (!use_stdout) | |
1416 | fclose(stdout); | |
1417 | } | |
1418 | free(list); | |
1419 | free(branch_name); | |
1420 | string_list_clear(&extra_to, 0); | |
1421 | string_list_clear(&extra_cc, 0); | |
1422 | string_list_clear(&extra_hdr, 0); | |
1423 | if (ignore_if_in_upstream) | |
1424 | free_patch_ids(&ids); | |
1425 | return 0; | |
1426 | } | |
1427 | ||
1428 | static int add_pending_commit(const char *arg, struct rev_info *revs, int flags) | |
1429 | { | |
1430 | unsigned char sha1[20]; | |
1431 | if (get_sha1(arg, sha1) == 0) { | |
1432 | struct commit *commit = lookup_commit_reference(sha1); | |
1433 | if (commit) { | |
1434 | commit->object.flags |= flags; | |
1435 | add_pending_object(revs, &commit->object, arg); | |
1436 | return 0; | |
1437 | } | |
1438 | } | |
1439 | return -1; | |
1440 | } | |
1441 | ||
1442 | static const char * const cherry_usage[] = { | |
1443 | N_("git cherry [-v] [<upstream> [<head> [<limit>]]]"), | |
1444 | NULL | |
1445 | }; | |
1446 | ||
1447 | static void print_commit(char sign, struct commit *commit, int verbose, | |
1448 | int abbrev) | |
1449 | { | |
1450 | if (!verbose) { | |
1451 | printf("%c %s\n", sign, | |
1452 | find_unique_abbrev(commit->object.sha1, abbrev)); | |
1453 | } else { | |
1454 | struct strbuf buf = STRBUF_INIT; | |
1455 | pp_commit_easy(CMIT_FMT_ONELINE, commit, &buf); | |
1456 | printf("%c %s %s\n", sign, | |
1457 | find_unique_abbrev(commit->object.sha1, abbrev), | |
1458 | buf.buf); | |
1459 | strbuf_release(&buf); | |
1460 | } | |
1461 | } | |
1462 | ||
1463 | int cmd_cherry(int argc, const char **argv, const char *prefix) | |
1464 | { | |
1465 | struct rev_info revs; | |
1466 | struct patch_ids ids; | |
1467 | struct commit *commit; | |
1468 | struct commit_list *list = NULL; | |
1469 | struct branch *current_branch; | |
1470 | const char *upstream; | |
1471 | const char *head = "HEAD"; | |
1472 | const char *limit = NULL; | |
1473 | int verbose = 0, abbrev = 0; | |
1474 | ||
1475 | struct option options[] = { | |
1476 | OPT__ABBREV(&abbrev), | |
1477 | OPT__VERBOSE(&verbose, N_("be verbose")), | |
1478 | OPT_END() | |
1479 | }; | |
1480 | ||
1481 | argc = parse_options(argc, argv, prefix, options, cherry_usage, 0); | |
1482 | ||
1483 | switch (argc) { | |
1484 | case 3: | |
1485 | limit = argv[2]; | |
1486 | /* FALLTHROUGH */ | |
1487 | case 2: | |
1488 | head = argv[1]; | |
1489 | /* FALLTHROUGH */ | |
1490 | case 1: | |
1491 | upstream = argv[0]; | |
1492 | break; | |
1493 | default: | |
1494 | current_branch = branch_get(NULL); | |
1495 | if (!current_branch || !current_branch->merge | |
1496 | || !current_branch->merge[0] | |
1497 | || !current_branch->merge[0]->dst) { | |
1498 | fprintf(stderr, _("Could not find a tracked" | |
1499 | " remote branch, please" | |
1500 | " specify <upstream> manually.\n")); | |
1501 | usage_with_options(cherry_usage, options); | |
1502 | } | |
1503 | ||
1504 | upstream = current_branch->merge[0]->dst; | |
1505 | } | |
1506 | ||
1507 | init_revisions(&revs, prefix); | |
1508 | revs.max_parents = 1; | |
1509 | ||
1510 | if (add_pending_commit(head, &revs, 0)) | |
1511 | die(_("Unknown commit %s"), head); | |
1512 | if (add_pending_commit(upstream, &revs, UNINTERESTING)) | |
1513 | die(_("Unknown commit %s"), upstream); | |
1514 | ||
1515 | /* Don't say anything if head and upstream are the same. */ | |
1516 | if (revs.pending.nr == 2) { | |
1517 | struct object_array_entry *o = revs.pending.objects; | |
1518 | if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0) | |
1519 | return 0; | |
1520 | } | |
1521 | ||
1522 | get_patch_ids(&revs, &ids); | |
1523 | ||
1524 | if (limit && add_pending_commit(limit, &revs, UNINTERESTING)) | |
1525 | die(_("Unknown commit %s"), limit); | |
1526 | ||
1527 | /* reverse the list of commits */ | |
1528 | if (prepare_revision_walk(&revs)) | |
1529 | die(_("revision walk setup failed")); | |
1530 | while ((commit = get_revision(&revs)) != NULL) { | |
1531 | commit_list_insert(commit, &list); | |
1532 | } | |
1533 | ||
1534 | while (list) { | |
1535 | char sign = '+'; | |
1536 | ||
1537 | commit = list->item; | |
1538 | if (has_commit_patch_id(commit, &ids)) | |
1539 | sign = '-'; | |
1540 | print_commit(sign, commit, verbose, abbrev); | |
1541 | list = list->next; | |
1542 | } | |
1543 | ||
1544 | free_patch_ids(&ids); | |
1545 | return 0; | |
1546 | } |