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Commit | Line | Data |
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1 | /* | |
2 | * Blame | |
3 | * | |
4 | * Copyright (c) 2006, 2014 by its authors | |
5 | * See COPYING for licensing conditions | |
6 | */ | |
7 | ||
8 | #include "git-compat-util.h" | |
9 | #include "alloc.h" | |
10 | #include "config.h" | |
11 | #include "color.h" | |
12 | #include "builtin.h" | |
13 | #include "environment.h" | |
14 | #include "gettext.h" | |
15 | #include "hex.h" | |
16 | #include "repository.h" | |
17 | #include "commit.h" | |
18 | #include "diff.h" | |
19 | #include "revision.h" | |
20 | #include "quote.h" | |
21 | #include "string-list.h" | |
22 | #include "mailmap.h" | |
23 | #include "parse-options.h" | |
24 | #include "prio-queue.h" | |
25 | #include "utf8.h" | |
26 | #include "userdiff.h" | |
27 | #include "line-range.h" | |
28 | #include "line-log.h" | |
29 | #include "dir.h" | |
30 | #include "progress.h" | |
31 | #include "object-name.h" | |
32 | #include "object-store.h" | |
33 | #include "blame.h" | |
34 | #include "refs.h" | |
35 | #include "setup.h" | |
36 | #include "tag.h" | |
37 | #include "write-or-die.h" | |
38 | ||
39 | static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] <file>"); | |
40 | static char annotate_usage[] = N_("git annotate [<options>] [<rev-opts>] [<rev>] [--] <file>"); | |
41 | ||
42 | static const char *blame_opt_usage[] = { | |
43 | blame_usage, | |
44 | "", | |
45 | N_("<rev-opts> are documented in git-rev-list(1)"), | |
46 | NULL | |
47 | }; | |
48 | ||
49 | static const char *annotate_opt_usage[] = { | |
50 | annotate_usage, | |
51 | "", | |
52 | N_("<rev-opts> are documented in git-rev-list(1)"), | |
53 | NULL | |
54 | }; | |
55 | ||
56 | static int longest_file; | |
57 | static int longest_author; | |
58 | static int max_orig_digits; | |
59 | static int max_digits; | |
60 | static int max_score_digits; | |
61 | static int show_root; | |
62 | static int reverse; | |
63 | static int blank_boundary; | |
64 | static int incremental; | |
65 | static int xdl_opts; | |
66 | static int abbrev = -1; | |
67 | static int no_whole_file_rename; | |
68 | static int show_progress; | |
69 | static char repeated_meta_color[COLOR_MAXLEN]; | |
70 | static int coloring_mode; | |
71 | static struct string_list ignore_revs_file_list = STRING_LIST_INIT_NODUP; | |
72 | static int mark_unblamable_lines; | |
73 | static int mark_ignored_lines; | |
74 | ||
75 | static struct date_mode blame_date_mode = { DATE_ISO8601 }; | |
76 | static size_t blame_date_width; | |
77 | ||
78 | static struct string_list mailmap = STRING_LIST_INIT_NODUP; | |
79 | ||
80 | #ifndef DEBUG_BLAME | |
81 | #define DEBUG_BLAME 0 | |
82 | #endif | |
83 | ||
84 | static unsigned blame_move_score; | |
85 | static unsigned blame_copy_score; | |
86 | ||
87 | /* Remember to update object flag allocation in object.h */ | |
88 | #define METAINFO_SHOWN (1u<<12) | |
89 | #define MORE_THAN_ONE_PATH (1u<<13) | |
90 | ||
91 | struct progress_info { | |
92 | struct progress *progress; | |
93 | int blamed_lines; | |
94 | }; | |
95 | ||
96 | static const char *nth_line_cb(void *data, long lno) | |
97 | { | |
98 | return blame_nth_line((struct blame_scoreboard *)data, lno); | |
99 | } | |
100 | ||
101 | /* | |
102 | * Information on commits, used for output. | |
103 | */ | |
104 | struct commit_info { | |
105 | struct strbuf author; | |
106 | struct strbuf author_mail; | |
107 | timestamp_t author_time; | |
108 | struct strbuf author_tz; | |
109 | ||
110 | /* filled only when asked for details */ | |
111 | struct strbuf committer; | |
112 | struct strbuf committer_mail; | |
113 | timestamp_t committer_time; | |
114 | struct strbuf committer_tz; | |
115 | ||
116 | struct strbuf summary; | |
117 | }; | |
118 | ||
119 | #define COMMIT_INFO_INIT { \ | |
120 | .author = STRBUF_INIT, \ | |
121 | .author_mail = STRBUF_INIT, \ | |
122 | .author_tz = STRBUF_INIT, \ | |
123 | .committer = STRBUF_INIT, \ | |
124 | .committer_mail = STRBUF_INIT, \ | |
125 | .committer_tz = STRBUF_INIT, \ | |
126 | .summary = STRBUF_INIT, \ | |
127 | } | |
128 | ||
129 | /* | |
130 | * Parse author/committer line in the commit object buffer | |
131 | */ | |
132 | static void get_ac_line(const char *inbuf, const char *what, | |
133 | struct strbuf *name, struct strbuf *mail, | |
134 | timestamp_t *time, struct strbuf *tz) | |
135 | { | |
136 | struct ident_split ident; | |
137 | size_t len, maillen, namelen; | |
138 | char *tmp, *endp; | |
139 | const char *namebuf, *mailbuf; | |
140 | ||
141 | tmp = strstr(inbuf, what); | |
142 | if (!tmp) | |
143 | goto error_out; | |
144 | tmp += strlen(what); | |
145 | endp = strchr(tmp, '\n'); | |
146 | if (!endp) | |
147 | len = strlen(tmp); | |
148 | else | |
149 | len = endp - tmp; | |
150 | ||
151 | if (split_ident_line(&ident, tmp, len)) { | |
152 | error_out: | |
153 | /* Ugh */ | |
154 | tmp = "(unknown)"; | |
155 | strbuf_addstr(name, tmp); | |
156 | strbuf_addstr(mail, tmp); | |
157 | strbuf_addstr(tz, tmp); | |
158 | *time = 0; | |
159 | return; | |
160 | } | |
161 | ||
162 | namelen = ident.name_end - ident.name_begin; | |
163 | namebuf = ident.name_begin; | |
164 | ||
165 | maillen = ident.mail_end - ident.mail_begin; | |
166 | mailbuf = ident.mail_begin; | |
167 | ||
168 | if (ident.date_begin && ident.date_end) | |
169 | *time = strtoul(ident.date_begin, NULL, 10); | |
170 | else | |
171 | *time = 0; | |
172 | ||
173 | if (ident.tz_begin && ident.tz_end) | |
174 | strbuf_add(tz, ident.tz_begin, ident.tz_end - ident.tz_begin); | |
175 | else | |
176 | strbuf_addstr(tz, "(unknown)"); | |
177 | ||
178 | /* | |
179 | * Now, convert both name and e-mail using mailmap | |
180 | */ | |
181 | map_user(&mailmap, &mailbuf, &maillen, | |
182 | &namebuf, &namelen); | |
183 | ||
184 | strbuf_addf(mail, "<%.*s>", (int)maillen, mailbuf); | |
185 | strbuf_add(name, namebuf, namelen); | |
186 | } | |
187 | ||
188 | static void commit_info_destroy(struct commit_info *ci) | |
189 | { | |
190 | ||
191 | strbuf_release(&ci->author); | |
192 | strbuf_release(&ci->author_mail); | |
193 | strbuf_release(&ci->author_tz); | |
194 | strbuf_release(&ci->committer); | |
195 | strbuf_release(&ci->committer_mail); | |
196 | strbuf_release(&ci->committer_tz); | |
197 | strbuf_release(&ci->summary); | |
198 | } | |
199 | ||
200 | static void get_commit_info(struct commit *commit, | |
201 | struct commit_info *ret, | |
202 | int detailed) | |
203 | { | |
204 | int len; | |
205 | const char *subject, *encoding; | |
206 | const char *message; | |
207 | ||
208 | encoding = get_log_output_encoding(); | |
209 | message = repo_logmsg_reencode(the_repository, commit, NULL, encoding); | |
210 | get_ac_line(message, "\nauthor ", | |
211 | &ret->author, &ret->author_mail, | |
212 | &ret->author_time, &ret->author_tz); | |
213 | ||
214 | if (!detailed) { | |
215 | repo_unuse_commit_buffer(the_repository, commit, message); | |
216 | return; | |
217 | } | |
218 | ||
219 | get_ac_line(message, "\ncommitter ", | |
220 | &ret->committer, &ret->committer_mail, | |
221 | &ret->committer_time, &ret->committer_tz); | |
222 | ||
223 | len = find_commit_subject(message, &subject); | |
224 | if (len) | |
225 | strbuf_add(&ret->summary, subject, len); | |
226 | else | |
227 | strbuf_addf(&ret->summary, "(%s)", oid_to_hex(&commit->object.oid)); | |
228 | ||
229 | repo_unuse_commit_buffer(the_repository, commit, message); | |
230 | } | |
231 | ||
232 | /* | |
233 | * Write out any suspect information which depends on the path. This must be | |
234 | * handled separately from emit_one_suspect_detail(), because a given commit | |
235 | * may have changes in multiple paths. So this needs to appear each time | |
236 | * we mention a new group. | |
237 | * | |
238 | * To allow LF and other nonportable characters in pathnames, | |
239 | * they are c-style quoted as needed. | |
240 | */ | |
241 | static void write_filename_info(struct blame_origin *suspect) | |
242 | { | |
243 | if (suspect->previous) { | |
244 | struct blame_origin *prev = suspect->previous; | |
245 | printf("previous %s ", oid_to_hex(&prev->commit->object.oid)); | |
246 | write_name_quoted(prev->path, stdout, '\n'); | |
247 | } | |
248 | printf("filename "); | |
249 | write_name_quoted(suspect->path, stdout, '\n'); | |
250 | } | |
251 | ||
252 | /* | |
253 | * Porcelain/Incremental format wants to show a lot of details per | |
254 | * commit. Instead of repeating this every line, emit it only once, | |
255 | * the first time each commit appears in the output (unless the | |
256 | * user has specifically asked for us to repeat). | |
257 | */ | |
258 | static int emit_one_suspect_detail(struct blame_origin *suspect, int repeat) | |
259 | { | |
260 | struct commit_info ci = COMMIT_INFO_INIT; | |
261 | ||
262 | if (!repeat && (suspect->commit->object.flags & METAINFO_SHOWN)) | |
263 | return 0; | |
264 | ||
265 | suspect->commit->object.flags |= METAINFO_SHOWN; | |
266 | get_commit_info(suspect->commit, &ci, 1); | |
267 | printf("author %s\n", ci.author.buf); | |
268 | printf("author-mail %s\n", ci.author_mail.buf); | |
269 | printf("author-time %"PRItime"\n", ci.author_time); | |
270 | printf("author-tz %s\n", ci.author_tz.buf); | |
271 | printf("committer %s\n", ci.committer.buf); | |
272 | printf("committer-mail %s\n", ci.committer_mail.buf); | |
273 | printf("committer-time %"PRItime"\n", ci.committer_time); | |
274 | printf("committer-tz %s\n", ci.committer_tz.buf); | |
275 | printf("summary %s\n", ci.summary.buf); | |
276 | if (suspect->commit->object.flags & UNINTERESTING) | |
277 | printf("boundary\n"); | |
278 | ||
279 | commit_info_destroy(&ci); | |
280 | ||
281 | return 1; | |
282 | } | |
283 | ||
284 | /* | |
285 | * The blame_entry is found to be guilty for the range. | |
286 | * Show it in incremental output. | |
287 | */ | |
288 | static void found_guilty_entry(struct blame_entry *ent, void *data) | |
289 | { | |
290 | struct progress_info *pi = (struct progress_info *)data; | |
291 | ||
292 | if (incremental) { | |
293 | struct blame_origin *suspect = ent->suspect; | |
294 | ||
295 | printf("%s %d %d %d\n", | |
296 | oid_to_hex(&suspect->commit->object.oid), | |
297 | ent->s_lno + 1, ent->lno + 1, ent->num_lines); | |
298 | emit_one_suspect_detail(suspect, 0); | |
299 | write_filename_info(suspect); | |
300 | maybe_flush_or_die(stdout, "stdout"); | |
301 | } | |
302 | pi->blamed_lines += ent->num_lines; | |
303 | display_progress(pi->progress, pi->blamed_lines); | |
304 | } | |
305 | ||
306 | static const char *format_time(timestamp_t time, const char *tz_str, | |
307 | int show_raw_time) | |
308 | { | |
309 | static struct strbuf time_buf = STRBUF_INIT; | |
310 | ||
311 | strbuf_reset(&time_buf); | |
312 | if (show_raw_time) { | |
313 | strbuf_addf(&time_buf, "%"PRItime" %s", time, tz_str); | |
314 | } | |
315 | else { | |
316 | const char *time_str; | |
317 | size_t time_width; | |
318 | int tz; | |
319 | tz = atoi(tz_str); | |
320 | time_str = show_date(time, tz, &blame_date_mode); | |
321 | strbuf_addstr(&time_buf, time_str); | |
322 | /* | |
323 | * Add space paddings to time_buf to display a fixed width | |
324 | * string, and use time_width for display width calibration. | |
325 | */ | |
326 | for (time_width = utf8_strwidth(time_str); | |
327 | time_width < blame_date_width; | |
328 | time_width++) | |
329 | strbuf_addch(&time_buf, ' '); | |
330 | } | |
331 | return time_buf.buf; | |
332 | } | |
333 | ||
334 | #define OUTPUT_ANNOTATE_COMPAT (1U<<0) | |
335 | #define OUTPUT_LONG_OBJECT_NAME (1U<<1) | |
336 | #define OUTPUT_RAW_TIMESTAMP (1U<<2) | |
337 | #define OUTPUT_PORCELAIN (1U<<3) | |
338 | #define OUTPUT_SHOW_NAME (1U<<4) | |
339 | #define OUTPUT_SHOW_NUMBER (1U<<5) | |
340 | #define OUTPUT_SHOW_SCORE (1U<<6) | |
341 | #define OUTPUT_NO_AUTHOR (1U<<7) | |
342 | #define OUTPUT_SHOW_EMAIL (1U<<8) | |
343 | #define OUTPUT_LINE_PORCELAIN (1U<<9) | |
344 | #define OUTPUT_COLOR_LINE (1U<<10) | |
345 | #define OUTPUT_SHOW_AGE_WITH_COLOR (1U<<11) | |
346 | ||
347 | static void emit_porcelain_details(struct blame_origin *suspect, int repeat) | |
348 | { | |
349 | if (emit_one_suspect_detail(suspect, repeat) || | |
350 | (suspect->commit->object.flags & MORE_THAN_ONE_PATH)) | |
351 | write_filename_info(suspect); | |
352 | } | |
353 | ||
354 | static void emit_porcelain(struct blame_scoreboard *sb, struct blame_entry *ent, | |
355 | int opt) | |
356 | { | |
357 | int repeat = opt & OUTPUT_LINE_PORCELAIN; | |
358 | int cnt; | |
359 | const char *cp; | |
360 | struct blame_origin *suspect = ent->suspect; | |
361 | char hex[GIT_MAX_HEXSZ + 1]; | |
362 | ||
363 | oid_to_hex_r(hex, &suspect->commit->object.oid); | |
364 | printf("%s %d %d %d\n", | |
365 | hex, | |
366 | ent->s_lno + 1, | |
367 | ent->lno + 1, | |
368 | ent->num_lines); | |
369 | emit_porcelain_details(suspect, repeat); | |
370 | ||
371 | cp = blame_nth_line(sb, ent->lno); | |
372 | for (cnt = 0; cnt < ent->num_lines; cnt++) { | |
373 | char ch; | |
374 | if (cnt) { | |
375 | printf("%s %d %d\n", hex, | |
376 | ent->s_lno + 1 + cnt, | |
377 | ent->lno + 1 + cnt); | |
378 | if (repeat) | |
379 | emit_porcelain_details(suspect, 1); | |
380 | } | |
381 | putchar('\t'); | |
382 | do { | |
383 | ch = *cp++; | |
384 | putchar(ch); | |
385 | } while (ch != '\n' && | |
386 | cp < sb->final_buf + sb->final_buf_size); | |
387 | } | |
388 | ||
389 | if (sb->final_buf_size && cp[-1] != '\n') | |
390 | putchar('\n'); | |
391 | } | |
392 | ||
393 | static struct color_field { | |
394 | timestamp_t hop; | |
395 | char col[COLOR_MAXLEN]; | |
396 | } *colorfield; | |
397 | static int colorfield_nr, colorfield_alloc; | |
398 | ||
399 | static void parse_color_fields(const char *s) | |
400 | { | |
401 | struct string_list l = STRING_LIST_INIT_DUP; | |
402 | struct string_list_item *item; | |
403 | enum { EXPECT_DATE, EXPECT_COLOR } next = EXPECT_COLOR; | |
404 | ||
405 | colorfield_nr = 0; | |
406 | ||
407 | /* Ideally this would be stripped and split at the same time? */ | |
408 | string_list_split(&l, s, ',', -1); | |
409 | ALLOC_GROW(colorfield, colorfield_nr + 1, colorfield_alloc); | |
410 | ||
411 | for_each_string_list_item(item, &l) { | |
412 | switch (next) { | |
413 | case EXPECT_DATE: | |
414 | colorfield[colorfield_nr].hop = approxidate(item->string); | |
415 | next = EXPECT_COLOR; | |
416 | colorfield_nr++; | |
417 | ALLOC_GROW(colorfield, colorfield_nr + 1, colorfield_alloc); | |
418 | break; | |
419 | case EXPECT_COLOR: | |
420 | if (color_parse(item->string, colorfield[colorfield_nr].col)) | |
421 | die(_("expecting a color: %s"), item->string); | |
422 | next = EXPECT_DATE; | |
423 | break; | |
424 | } | |
425 | } | |
426 | ||
427 | if (next == EXPECT_COLOR) | |
428 | die(_("must end with a color")); | |
429 | ||
430 | colorfield[colorfield_nr].hop = TIME_MAX; | |
431 | string_list_clear(&l, 0); | |
432 | } | |
433 | ||
434 | static void setup_default_color_by_age(void) | |
435 | { | |
436 | parse_color_fields("blue,12 month ago,white,1 month ago,red"); | |
437 | } | |
438 | ||
439 | static void determine_line_heat(struct commit_info *ci, const char **dest_color) | |
440 | { | |
441 | int i = 0; | |
442 | ||
443 | while (i < colorfield_nr && ci->author_time > colorfield[i].hop) | |
444 | i++; | |
445 | ||
446 | *dest_color = colorfield[i].col; | |
447 | } | |
448 | ||
449 | static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int opt) | |
450 | { | |
451 | int cnt; | |
452 | const char *cp; | |
453 | struct blame_origin *suspect = ent->suspect; | |
454 | struct commit_info ci = COMMIT_INFO_INIT; | |
455 | char hex[GIT_MAX_HEXSZ + 1]; | |
456 | int show_raw_time = !!(opt & OUTPUT_RAW_TIMESTAMP); | |
457 | const char *default_color = NULL, *color = NULL, *reset = NULL; | |
458 | ||
459 | get_commit_info(suspect->commit, &ci, 1); | |
460 | oid_to_hex_r(hex, &suspect->commit->object.oid); | |
461 | ||
462 | cp = blame_nth_line(sb, ent->lno); | |
463 | ||
464 | if (opt & OUTPUT_SHOW_AGE_WITH_COLOR) { | |
465 | determine_line_heat(&ci, &default_color); | |
466 | color = default_color; | |
467 | reset = GIT_COLOR_RESET; | |
468 | } | |
469 | ||
470 | for (cnt = 0; cnt < ent->num_lines; cnt++) { | |
471 | char ch; | |
472 | int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? the_hash_algo->hexsz : abbrev; | |
473 | ||
474 | if (opt & OUTPUT_COLOR_LINE) { | |
475 | if (cnt > 0) { | |
476 | color = repeated_meta_color; | |
477 | reset = GIT_COLOR_RESET; | |
478 | } else { | |
479 | color = default_color ? default_color : NULL; | |
480 | reset = default_color ? GIT_COLOR_RESET : NULL; | |
481 | } | |
482 | } | |
483 | if (color) | |
484 | fputs(color, stdout); | |
485 | ||
486 | if (suspect->commit->object.flags & UNINTERESTING) { | |
487 | if (blank_boundary) | |
488 | memset(hex, ' ', length); | |
489 | else if (!(opt & OUTPUT_ANNOTATE_COMPAT)) { | |
490 | length--; | |
491 | putchar('^'); | |
492 | } | |
493 | } | |
494 | ||
495 | if (mark_unblamable_lines && ent->unblamable) { | |
496 | length--; | |
497 | putchar('*'); | |
498 | } | |
499 | if (mark_ignored_lines && ent->ignored) { | |
500 | length--; | |
501 | putchar('?'); | |
502 | } | |
503 | printf("%.*s", length, hex); | |
504 | if (opt & OUTPUT_ANNOTATE_COMPAT) { | |
505 | const char *name; | |
506 | if (opt & OUTPUT_SHOW_EMAIL) | |
507 | name = ci.author_mail.buf; | |
508 | else | |
509 | name = ci.author.buf; | |
510 | printf("\t(%10s\t%10s\t%d)", name, | |
511 | format_time(ci.author_time, ci.author_tz.buf, | |
512 | show_raw_time), | |
513 | ent->lno + 1 + cnt); | |
514 | } else { | |
515 | if (opt & OUTPUT_SHOW_SCORE) | |
516 | printf(" %*d %02d", | |
517 | max_score_digits, ent->score, | |
518 | ent->suspect->refcnt); | |
519 | if (opt & OUTPUT_SHOW_NAME) | |
520 | printf(" %-*.*s", longest_file, longest_file, | |
521 | suspect->path); | |
522 | if (opt & OUTPUT_SHOW_NUMBER) | |
523 | printf(" %*d", max_orig_digits, | |
524 | ent->s_lno + 1 + cnt); | |
525 | ||
526 | if (!(opt & OUTPUT_NO_AUTHOR)) { | |
527 | const char *name; | |
528 | int pad; | |
529 | if (opt & OUTPUT_SHOW_EMAIL) | |
530 | name = ci.author_mail.buf; | |
531 | else | |
532 | name = ci.author.buf; | |
533 | pad = longest_author - utf8_strwidth(name); | |
534 | printf(" (%s%*s %10s", | |
535 | name, pad, "", | |
536 | format_time(ci.author_time, | |
537 | ci.author_tz.buf, | |
538 | show_raw_time)); | |
539 | } | |
540 | printf(" %*d) ", | |
541 | max_digits, ent->lno + 1 + cnt); | |
542 | } | |
543 | if (reset) | |
544 | fputs(reset, stdout); | |
545 | do { | |
546 | ch = *cp++; | |
547 | putchar(ch); | |
548 | } while (ch != '\n' && | |
549 | cp < sb->final_buf + sb->final_buf_size); | |
550 | } | |
551 | ||
552 | if (sb->final_buf_size && cp[-1] != '\n') | |
553 | putchar('\n'); | |
554 | ||
555 | commit_info_destroy(&ci); | |
556 | } | |
557 | ||
558 | static void output(struct blame_scoreboard *sb, int option) | |
559 | { | |
560 | struct blame_entry *ent; | |
561 | ||
562 | if (option & OUTPUT_PORCELAIN) { | |
563 | for (ent = sb->ent; ent; ent = ent->next) { | |
564 | int count = 0; | |
565 | struct blame_origin *suspect; | |
566 | struct commit *commit = ent->suspect->commit; | |
567 | if (commit->object.flags & MORE_THAN_ONE_PATH) | |
568 | continue; | |
569 | for (suspect = get_blame_suspects(commit); suspect; suspect = suspect->next) { | |
570 | if (suspect->guilty && count++) { | |
571 | commit->object.flags |= MORE_THAN_ONE_PATH; | |
572 | break; | |
573 | } | |
574 | } | |
575 | } | |
576 | } | |
577 | ||
578 | for (ent = sb->ent; ent; ent = ent->next) { | |
579 | if (option & OUTPUT_PORCELAIN) | |
580 | emit_porcelain(sb, ent, option); | |
581 | else { | |
582 | emit_other(sb, ent, option); | |
583 | } | |
584 | } | |
585 | } | |
586 | ||
587 | /* | |
588 | * Add phony grafts for use with -S; this is primarily to | |
589 | * support git's cvsserver that wants to give a linear history | |
590 | * to its clients. | |
591 | */ | |
592 | static int read_ancestry(const char *graft_file) | |
593 | { | |
594 | FILE *fp = fopen_or_warn(graft_file, "r"); | |
595 | struct strbuf buf = STRBUF_INIT; | |
596 | if (!fp) | |
597 | return -1; | |
598 | while (!strbuf_getwholeline(&buf, fp, '\n')) { | |
599 | /* The format is just "Commit Parent1 Parent2 ...\n" */ | |
600 | struct commit_graft *graft = read_graft_line(&buf); | |
601 | if (graft) | |
602 | register_commit_graft(the_repository, graft, 0); | |
603 | } | |
604 | fclose(fp); | |
605 | strbuf_release(&buf); | |
606 | return 0; | |
607 | } | |
608 | ||
609 | static int update_auto_abbrev(int auto_abbrev, struct blame_origin *suspect) | |
610 | { | |
611 | const char *uniq = repo_find_unique_abbrev(the_repository, | |
612 | &suspect->commit->object.oid, | |
613 | auto_abbrev); | |
614 | int len = strlen(uniq); | |
615 | if (auto_abbrev < len) | |
616 | return len; | |
617 | return auto_abbrev; | |
618 | } | |
619 | ||
620 | /* | |
621 | * How many columns do we need to show line numbers, authors, | |
622 | * and filenames? | |
623 | */ | |
624 | static void find_alignment(struct blame_scoreboard *sb, int *option) | |
625 | { | |
626 | int longest_src_lines = 0; | |
627 | int longest_dst_lines = 0; | |
628 | unsigned largest_score = 0; | |
629 | struct blame_entry *e; | |
630 | int compute_auto_abbrev = (abbrev < 0); | |
631 | int auto_abbrev = DEFAULT_ABBREV; | |
632 | ||
633 | for (e = sb->ent; e; e = e->next) { | |
634 | struct blame_origin *suspect = e->suspect; | |
635 | int num; | |
636 | ||
637 | if (compute_auto_abbrev) | |
638 | auto_abbrev = update_auto_abbrev(auto_abbrev, suspect); | |
639 | if (strcmp(suspect->path, sb->path)) | |
640 | *option |= OUTPUT_SHOW_NAME; | |
641 | num = strlen(suspect->path); | |
642 | if (longest_file < num) | |
643 | longest_file = num; | |
644 | if (!(suspect->commit->object.flags & METAINFO_SHOWN)) { | |
645 | struct commit_info ci = COMMIT_INFO_INIT; | |
646 | suspect->commit->object.flags |= METAINFO_SHOWN; | |
647 | get_commit_info(suspect->commit, &ci, 1); | |
648 | if (*option & OUTPUT_SHOW_EMAIL) | |
649 | num = utf8_strwidth(ci.author_mail.buf); | |
650 | else | |
651 | num = utf8_strwidth(ci.author.buf); | |
652 | if (longest_author < num) | |
653 | longest_author = num; | |
654 | commit_info_destroy(&ci); | |
655 | } | |
656 | num = e->s_lno + e->num_lines; | |
657 | if (longest_src_lines < num) | |
658 | longest_src_lines = num; | |
659 | num = e->lno + e->num_lines; | |
660 | if (longest_dst_lines < num) | |
661 | longest_dst_lines = num; | |
662 | if (largest_score < blame_entry_score(sb, e)) | |
663 | largest_score = blame_entry_score(sb, e); | |
664 | } | |
665 | max_orig_digits = decimal_width(longest_src_lines); | |
666 | max_digits = decimal_width(longest_dst_lines); | |
667 | max_score_digits = decimal_width(largest_score); | |
668 | ||
669 | if (compute_auto_abbrev) | |
670 | /* one more abbrev length is needed for the boundary commit */ | |
671 | abbrev = auto_abbrev + 1; | |
672 | } | |
673 | ||
674 | static void sanity_check_on_fail(struct blame_scoreboard *sb, int baa) | |
675 | { | |
676 | int opt = OUTPUT_SHOW_SCORE | OUTPUT_SHOW_NUMBER | OUTPUT_SHOW_NAME; | |
677 | find_alignment(sb, &opt); | |
678 | output(sb, opt); | |
679 | die("Baa %d!", baa); | |
680 | } | |
681 | ||
682 | static unsigned parse_score(const char *arg) | |
683 | { | |
684 | char *end; | |
685 | unsigned long score = strtoul(arg, &end, 10); | |
686 | if (*end) | |
687 | return 0; | |
688 | return score; | |
689 | } | |
690 | ||
691 | static const char *add_prefix(const char *prefix, const char *path) | |
692 | { | |
693 | return prefix_path(prefix, prefix ? strlen(prefix) : 0, path); | |
694 | } | |
695 | ||
696 | static int git_blame_config(const char *var, const char *value, void *cb) | |
697 | { | |
698 | if (!strcmp(var, "blame.showroot")) { | |
699 | show_root = git_config_bool(var, value); | |
700 | return 0; | |
701 | } | |
702 | if (!strcmp(var, "blame.blankboundary")) { | |
703 | blank_boundary = git_config_bool(var, value); | |
704 | return 0; | |
705 | } | |
706 | if (!strcmp(var, "blame.showemail")) { | |
707 | int *output_option = cb; | |
708 | if (git_config_bool(var, value)) | |
709 | *output_option |= OUTPUT_SHOW_EMAIL; | |
710 | else | |
711 | *output_option &= ~OUTPUT_SHOW_EMAIL; | |
712 | return 0; | |
713 | } | |
714 | if (!strcmp(var, "blame.date")) { | |
715 | if (!value) | |
716 | return config_error_nonbool(var); | |
717 | parse_date_format(value, &blame_date_mode); | |
718 | return 0; | |
719 | } | |
720 | if (!strcmp(var, "blame.ignorerevsfile")) { | |
721 | const char *str; | |
722 | int ret; | |
723 | ||
724 | ret = git_config_pathname(&str, var, value); | |
725 | if (ret) | |
726 | return ret; | |
727 | string_list_insert(&ignore_revs_file_list, str); | |
728 | return 0; | |
729 | } | |
730 | if (!strcmp(var, "blame.markunblamablelines")) { | |
731 | mark_unblamable_lines = git_config_bool(var, value); | |
732 | return 0; | |
733 | } | |
734 | if (!strcmp(var, "blame.markignoredlines")) { | |
735 | mark_ignored_lines = git_config_bool(var, value); | |
736 | return 0; | |
737 | } | |
738 | if (!strcmp(var, "color.blame.repeatedlines")) { | |
739 | if (color_parse_mem(value, strlen(value), repeated_meta_color)) | |
740 | warning(_("invalid value for '%s': '%s'"), | |
741 | "color.blame.repeatedLines", value); | |
742 | return 0; | |
743 | } | |
744 | if (!strcmp(var, "color.blame.highlightrecent")) { | |
745 | parse_color_fields(value); | |
746 | return 0; | |
747 | } | |
748 | ||
749 | if (!strcmp(var, "blame.coloring")) { | |
750 | if (!strcmp(value, "repeatedLines")) { | |
751 | coloring_mode |= OUTPUT_COLOR_LINE; | |
752 | } else if (!strcmp(value, "highlightRecent")) { | |
753 | coloring_mode |= OUTPUT_SHOW_AGE_WITH_COLOR; | |
754 | } else if (!strcmp(value, "none")) { | |
755 | coloring_mode &= ~(OUTPUT_COLOR_LINE | | |
756 | OUTPUT_SHOW_AGE_WITH_COLOR); | |
757 | } else { | |
758 | warning(_("invalid value for '%s': '%s'"), | |
759 | "blame.coloring", value); | |
760 | return 0; | |
761 | } | |
762 | } | |
763 | ||
764 | if (git_diff_heuristic_config(var, value, cb) < 0) | |
765 | return -1; | |
766 | if (userdiff_config(var, value) < 0) | |
767 | return -1; | |
768 | ||
769 | return git_default_config(var, value, cb); | |
770 | } | |
771 | ||
772 | static int blame_copy_callback(const struct option *option, const char *arg, int unset) | |
773 | { | |
774 | int *opt = option->value; | |
775 | ||
776 | BUG_ON_OPT_NEG(unset); | |
777 | ||
778 | /* | |
779 | * -C enables copy from removed files; | |
780 | * -C -C enables copy from existing files, but only | |
781 | * when blaming a new file; | |
782 | * -C -C -C enables copy from existing files for | |
783 | * everybody | |
784 | */ | |
785 | if (*opt & PICKAXE_BLAME_COPY_HARDER) | |
786 | *opt |= PICKAXE_BLAME_COPY_HARDEST; | |
787 | if (*opt & PICKAXE_BLAME_COPY) | |
788 | *opt |= PICKAXE_BLAME_COPY_HARDER; | |
789 | *opt |= PICKAXE_BLAME_COPY | PICKAXE_BLAME_MOVE; | |
790 | ||
791 | if (arg) | |
792 | blame_copy_score = parse_score(arg); | |
793 | return 0; | |
794 | } | |
795 | ||
796 | static int blame_move_callback(const struct option *option, const char *arg, int unset) | |
797 | { | |
798 | int *opt = option->value; | |
799 | ||
800 | BUG_ON_OPT_NEG(unset); | |
801 | ||
802 | *opt |= PICKAXE_BLAME_MOVE; | |
803 | ||
804 | if (arg) | |
805 | blame_move_score = parse_score(arg); | |
806 | return 0; | |
807 | } | |
808 | ||
809 | static int is_a_rev(const char *name) | |
810 | { | |
811 | struct object_id oid; | |
812 | ||
813 | if (repo_get_oid(the_repository, name, &oid)) | |
814 | return 0; | |
815 | return OBJ_NONE < oid_object_info(the_repository, &oid, NULL); | |
816 | } | |
817 | ||
818 | static int peel_to_commit_oid(struct object_id *oid_ret, void *cbdata) | |
819 | { | |
820 | struct repository *r = ((struct blame_scoreboard *)cbdata)->repo; | |
821 | struct object_id oid; | |
822 | ||
823 | oidcpy(&oid, oid_ret); | |
824 | while (1) { | |
825 | struct object *obj; | |
826 | int kind = oid_object_info(r, &oid, NULL); | |
827 | if (kind == OBJ_COMMIT) { | |
828 | oidcpy(oid_ret, &oid); | |
829 | return 0; | |
830 | } | |
831 | if (kind != OBJ_TAG) | |
832 | return -1; | |
833 | obj = deref_tag(r, parse_object(r, &oid), NULL, 0); | |
834 | if (!obj) | |
835 | return -1; | |
836 | oidcpy(&oid, &obj->oid); | |
837 | } | |
838 | } | |
839 | ||
840 | static void build_ignorelist(struct blame_scoreboard *sb, | |
841 | struct string_list *ignore_revs_file_list, | |
842 | struct string_list *ignore_rev_list) | |
843 | { | |
844 | struct string_list_item *i; | |
845 | struct object_id oid; | |
846 | ||
847 | oidset_init(&sb->ignore_list, 0); | |
848 | for_each_string_list_item(i, ignore_revs_file_list) { | |
849 | if (!strcmp(i->string, "")) | |
850 | oidset_clear(&sb->ignore_list); | |
851 | else | |
852 | oidset_parse_file_carefully(&sb->ignore_list, i->string, | |
853 | peel_to_commit_oid, sb); | |
854 | } | |
855 | for_each_string_list_item(i, ignore_rev_list) { | |
856 | if (repo_get_oid_committish(the_repository, i->string, &oid) || | |
857 | peel_to_commit_oid(&oid, sb)) | |
858 | die(_("cannot find revision %s to ignore"), i->string); | |
859 | oidset_insert(&sb->ignore_list, &oid); | |
860 | } | |
861 | } | |
862 | ||
863 | int cmd_blame(int argc, const char **argv, const char *prefix) | |
864 | { | |
865 | struct rev_info revs; | |
866 | const char *path; | |
867 | struct blame_scoreboard sb; | |
868 | struct blame_origin *o; | |
869 | struct blame_entry *ent = NULL; | |
870 | long dashdash_pos, lno; | |
871 | struct progress_info pi = { NULL, 0 }; | |
872 | ||
873 | struct string_list range_list = STRING_LIST_INIT_NODUP; | |
874 | struct string_list ignore_rev_list = STRING_LIST_INIT_NODUP; | |
875 | int output_option = 0, opt = 0; | |
876 | int show_stats = 0; | |
877 | const char *revs_file = NULL; | |
878 | const char *contents_from = NULL; | |
879 | const struct option options[] = { | |
880 | OPT_BOOL(0, "incremental", &incremental, N_("show blame entries as we find them, incrementally")), | |
881 | OPT_BOOL('b', NULL, &blank_boundary, N_("do not show object names of boundary commits (Default: off)")), | |
882 | OPT_BOOL(0, "root", &show_root, N_("do not treat root commits as boundaries (Default: off)")), | |
883 | OPT_BOOL(0, "show-stats", &show_stats, N_("show work cost statistics")), | |
884 | OPT_BOOL(0, "progress", &show_progress, N_("force progress reporting")), | |
885 | OPT_BIT(0, "score-debug", &output_option, N_("show output score for blame entries"), OUTPUT_SHOW_SCORE), | |
886 | OPT_BIT('f', "show-name", &output_option, N_("show original filename (Default: auto)"), OUTPUT_SHOW_NAME), | |
887 | OPT_BIT('n', "show-number", &output_option, N_("show original linenumber (Default: off)"), OUTPUT_SHOW_NUMBER), | |
888 | OPT_BIT('p', "porcelain", &output_option, N_("show in a format designed for machine consumption"), OUTPUT_PORCELAIN), | |
889 | OPT_BIT(0, "line-porcelain", &output_option, N_("show porcelain format with per-line commit information"), OUTPUT_PORCELAIN|OUTPUT_LINE_PORCELAIN), | |
890 | OPT_BIT('c', NULL, &output_option, N_("use the same output mode as git-annotate (Default: off)"), OUTPUT_ANNOTATE_COMPAT), | |
891 | OPT_BIT('t', NULL, &output_option, N_("show raw timestamp (Default: off)"), OUTPUT_RAW_TIMESTAMP), | |
892 | OPT_BIT('l', NULL, &output_option, N_("show long commit SHA1 (Default: off)"), OUTPUT_LONG_OBJECT_NAME), | |
893 | OPT_BIT('s', NULL, &output_option, N_("suppress author name and timestamp (Default: off)"), OUTPUT_NO_AUTHOR), | |
894 | OPT_BIT('e', "show-email", &output_option, N_("show author email instead of name (Default: off)"), OUTPUT_SHOW_EMAIL), | |
895 | OPT_BIT('w', NULL, &xdl_opts, N_("ignore whitespace differences"), XDF_IGNORE_WHITESPACE), | |
896 | OPT_STRING_LIST(0, "ignore-rev", &ignore_rev_list, N_("rev"), N_("ignore <rev> when blaming")), | |
897 | OPT_STRING_LIST(0, "ignore-revs-file", &ignore_revs_file_list, N_("file"), N_("ignore revisions from <file>")), | |
898 | OPT_BIT(0, "color-lines", &output_option, N_("color redundant metadata from previous line differently"), OUTPUT_COLOR_LINE), | |
899 | OPT_BIT(0, "color-by-age", &output_option, N_("color lines by age"), OUTPUT_SHOW_AGE_WITH_COLOR), | |
900 | OPT_BIT(0, "minimal", &xdl_opts, N_("spend extra cycles to find better match"), XDF_NEED_MINIMAL), | |
901 | OPT_STRING('S', NULL, &revs_file, N_("file"), N_("use revisions from <file> instead of calling git-rev-list")), | |
902 | OPT_STRING(0, "contents", &contents_from, N_("file"), N_("use <file>'s contents as the final image")), | |
903 | OPT_CALLBACK_F('C', NULL, &opt, N_("score"), N_("find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback), | |
904 | OPT_CALLBACK_F('M', NULL, &opt, N_("score"), N_("find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback), | |
905 | OPT_STRING_LIST('L', NULL, &range_list, N_("range"), | |
906 | N_("process only line range <start>,<end> or function :<funcname>")), | |
907 | OPT__ABBREV(&abbrev), | |
908 | OPT_END() | |
909 | }; | |
910 | ||
911 | struct parse_opt_ctx_t ctx; | |
912 | int cmd_is_annotate = !strcmp(argv[0], "annotate"); | |
913 | struct range_set ranges; | |
914 | unsigned int range_i; | |
915 | long anchor; | |
916 | const int hexsz = the_hash_algo->hexsz; | |
917 | long num_lines = 0; | |
918 | const char *str_usage = cmd_is_annotate ? annotate_usage : blame_usage; | |
919 | const char **opt_usage = cmd_is_annotate ? annotate_opt_usage : blame_opt_usage; | |
920 | ||
921 | setup_default_color_by_age(); | |
922 | git_config(git_blame_config, &output_option); | |
923 | repo_init_revisions(the_repository, &revs, NULL); | |
924 | revs.date_mode = blame_date_mode; | |
925 | revs.diffopt.flags.allow_textconv = 1; | |
926 | revs.diffopt.flags.follow_renames = 1; | |
927 | ||
928 | save_commit_buffer = 0; | |
929 | dashdash_pos = 0; | |
930 | show_progress = -1; | |
931 | ||
932 | parse_options_start(&ctx, argc, argv, prefix, options, | |
933 | PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0); | |
934 | for (;;) { | |
935 | switch (parse_options_step(&ctx, options, opt_usage)) { | |
936 | case PARSE_OPT_NON_OPTION: | |
937 | case PARSE_OPT_UNKNOWN: | |
938 | break; | |
939 | case PARSE_OPT_HELP: | |
940 | case PARSE_OPT_ERROR: | |
941 | case PARSE_OPT_SUBCOMMAND: | |
942 | exit(129); | |
943 | case PARSE_OPT_COMPLETE: | |
944 | exit(0); | |
945 | case PARSE_OPT_DONE: | |
946 | if (ctx.argv[0]) | |
947 | dashdash_pos = ctx.cpidx; | |
948 | goto parse_done; | |
949 | } | |
950 | ||
951 | if (!strcmp(ctx.argv[0], "--reverse")) { | |
952 | ctx.argv[0] = "--children"; | |
953 | reverse = 1; | |
954 | } | |
955 | parse_revision_opt(&revs, &ctx, options, opt_usage); | |
956 | } | |
957 | parse_done: | |
958 | revision_opts_finish(&revs); | |
959 | no_whole_file_rename = !revs.diffopt.flags.follow_renames; | |
960 | xdl_opts |= revs.diffopt.xdl_opts & XDF_INDENT_HEURISTIC; | |
961 | revs.diffopt.flags.follow_renames = 0; | |
962 | argc = parse_options_end(&ctx); | |
963 | ||
964 | prepare_repo_settings(the_repository); | |
965 | the_repository->settings.command_requires_full_index = 0; | |
966 | ||
967 | if (incremental || (output_option & OUTPUT_PORCELAIN)) { | |
968 | if (show_progress > 0) | |
969 | die(_("--progress can't be used with --incremental or porcelain formats")); | |
970 | show_progress = 0; | |
971 | } else if (show_progress < 0) | |
972 | show_progress = isatty(2); | |
973 | ||
974 | if (0 < abbrev && abbrev < hexsz) | |
975 | /* one more abbrev length is needed for the boundary commit */ | |
976 | abbrev++; | |
977 | else if (!abbrev) | |
978 | abbrev = hexsz; | |
979 | ||
980 | if (revs_file && read_ancestry(revs_file)) | |
981 | die_errno("reading graft file '%s' failed", revs_file); | |
982 | ||
983 | if (cmd_is_annotate) { | |
984 | output_option |= OUTPUT_ANNOTATE_COMPAT; | |
985 | blame_date_mode.type = DATE_ISO8601; | |
986 | } else { | |
987 | blame_date_mode = revs.date_mode; | |
988 | } | |
989 | ||
990 | /* The maximum width used to show the dates */ | |
991 | switch (blame_date_mode.type) { | |
992 | case DATE_RFC2822: | |
993 | blame_date_width = sizeof("Thu, 19 Oct 2006 16:00:04 -0700"); | |
994 | break; | |
995 | case DATE_ISO8601_STRICT: | |
996 | blame_date_width = sizeof("2006-10-19T16:00:04-07:00"); | |
997 | break; | |
998 | case DATE_ISO8601: | |
999 | blame_date_width = sizeof("2006-10-19 16:00:04 -0700"); | |
1000 | break; | |
1001 | case DATE_RAW: | |
1002 | blame_date_width = sizeof("1161298804 -0700"); | |
1003 | break; | |
1004 | case DATE_UNIX: | |
1005 | blame_date_width = sizeof("1161298804"); | |
1006 | break; | |
1007 | case DATE_SHORT: | |
1008 | blame_date_width = sizeof("2006-10-19"); | |
1009 | break; | |
1010 | case DATE_RELATIVE: | |
1011 | /* | |
1012 | * TRANSLATORS: This string is used to tell us the | |
1013 | * maximum display width for a relative timestamp in | |
1014 | * "git blame" output. For C locale, "4 years, 11 | |
1015 | * months ago", which takes 22 places, is the longest | |
1016 | * among various forms of relative timestamps, but | |
1017 | * your language may need more or fewer display | |
1018 | * columns. | |
1019 | */ | |
1020 | blame_date_width = utf8_strwidth(_("4 years, 11 months ago")) + 1; /* add the null */ | |
1021 | break; | |
1022 | case DATE_HUMAN: | |
1023 | /* If the year is shown, no time is shown */ | |
1024 | blame_date_width = sizeof("Thu Oct 19 16:00"); | |
1025 | break; | |
1026 | case DATE_NORMAL: | |
1027 | blame_date_width = sizeof("Thu Oct 19 16:00:04 2006 -0700"); | |
1028 | break; | |
1029 | case DATE_STRFTIME: | |
1030 | blame_date_width = strlen(show_date(0, 0, &blame_date_mode)) + 1; /* add the null */ | |
1031 | break; | |
1032 | } | |
1033 | blame_date_width -= 1; /* strip the null */ | |
1034 | ||
1035 | if (revs.diffopt.flags.find_copies_harder) | |
1036 | opt |= (PICKAXE_BLAME_COPY | PICKAXE_BLAME_MOVE | | |
1037 | PICKAXE_BLAME_COPY_HARDER); | |
1038 | ||
1039 | /* | |
1040 | * We have collected options unknown to us in argv[1..unk] | |
1041 | * which are to be passed to revision machinery if we are | |
1042 | * going to do the "bottom" processing. | |
1043 | * | |
1044 | * The remaining are: | |
1045 | * | |
1046 | * (1) if dashdash_pos != 0, it is either | |
1047 | * "blame [revisions] -- <path>" or | |
1048 | * "blame -- <path> <rev>" | |
1049 | * | |
1050 | * (2) otherwise, it is one of the two: | |
1051 | * "blame [revisions] <path>" | |
1052 | * "blame <path> <rev>" | |
1053 | * | |
1054 | * Note that we must strip out <path> from the arguments: we do not | |
1055 | * want the path pruning but we may want "bottom" processing. | |
1056 | */ | |
1057 | if (dashdash_pos) { | |
1058 | switch (argc - dashdash_pos - 1) { | |
1059 | case 2: /* (1b) */ | |
1060 | if (argc != 4) | |
1061 | usage_with_options(opt_usage, options); | |
1062 | /* reorder for the new way: <rev> -- <path> */ | |
1063 | argv[1] = argv[3]; | |
1064 | argv[3] = argv[2]; | |
1065 | argv[2] = "--"; | |
1066 | /* FALLTHROUGH */ | |
1067 | case 1: /* (1a) */ | |
1068 | path = add_prefix(prefix, argv[--argc]); | |
1069 | argv[argc] = NULL; | |
1070 | break; | |
1071 | default: | |
1072 | usage_with_options(opt_usage, options); | |
1073 | } | |
1074 | } else { | |
1075 | if (argc < 2) | |
1076 | usage_with_options(opt_usage, options); | |
1077 | if (argc == 3 && is_a_rev(argv[argc - 1])) { /* (2b) */ | |
1078 | path = add_prefix(prefix, argv[1]); | |
1079 | argv[1] = argv[2]; | |
1080 | } else { /* (2a) */ | |
1081 | if (argc == 2 && is_a_rev(argv[1]) && !get_git_work_tree()) | |
1082 | die("missing <path> to blame"); | |
1083 | path = add_prefix(prefix, argv[argc - 1]); | |
1084 | } | |
1085 | argv[argc - 1] = "--"; | |
1086 | } | |
1087 | ||
1088 | revs.disable_stdin = 1; | |
1089 | setup_revisions(argc, argv, &revs, NULL); | |
1090 | if (!revs.pending.nr && is_bare_repository()) { | |
1091 | struct commit *head_commit; | |
1092 | struct object_id head_oid; | |
1093 | ||
1094 | if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, | |
1095 | &head_oid, NULL) || | |
1096 | !(head_commit = lookup_commit_reference_gently(revs.repo, | |
1097 | &head_oid, 1))) | |
1098 | die("no such ref: HEAD"); | |
1099 | ||
1100 | add_pending_object(&revs, &head_commit->object, "HEAD"); | |
1101 | } | |
1102 | ||
1103 | init_scoreboard(&sb); | |
1104 | sb.revs = &revs; | |
1105 | sb.contents_from = contents_from; | |
1106 | sb.reverse = reverse; | |
1107 | sb.repo = the_repository; | |
1108 | sb.path = path; | |
1109 | build_ignorelist(&sb, &ignore_revs_file_list, &ignore_rev_list); | |
1110 | string_list_clear(&ignore_revs_file_list, 0); | |
1111 | string_list_clear(&ignore_rev_list, 0); | |
1112 | setup_scoreboard(&sb, &o); | |
1113 | ||
1114 | /* | |
1115 | * Changed-path Bloom filters are disabled when looking | |
1116 | * for copies. | |
1117 | */ | |
1118 | if (!(opt & PICKAXE_BLAME_COPY)) | |
1119 | setup_blame_bloom_data(&sb); | |
1120 | ||
1121 | lno = sb.num_lines; | |
1122 | ||
1123 | if (lno && !range_list.nr) | |
1124 | string_list_append(&range_list, "1"); | |
1125 | ||
1126 | anchor = 1; | |
1127 | range_set_init(&ranges, range_list.nr); | |
1128 | for (range_i = 0; range_i < range_list.nr; ++range_i) { | |
1129 | long bottom, top; | |
1130 | if (parse_range_arg(range_list.items[range_i].string, | |
1131 | nth_line_cb, &sb, lno, anchor, | |
1132 | &bottom, &top, sb.path, | |
1133 | the_repository->index)) | |
1134 | usage(str_usage); | |
1135 | if ((!lno && (top || bottom)) || lno < bottom) | |
1136 | die(Q_("file %s has only %lu line", | |
1137 | "file %s has only %lu lines", | |
1138 | lno), sb.path, lno); | |
1139 | if (bottom < 1) | |
1140 | bottom = 1; | |
1141 | if (top < 1 || lno < top) | |
1142 | top = lno; | |
1143 | bottom--; | |
1144 | range_set_append_unsafe(&ranges, bottom, top); | |
1145 | anchor = top + 1; | |
1146 | } | |
1147 | sort_and_merge_range_set(&ranges); | |
1148 | ||
1149 | for (range_i = ranges.nr; range_i > 0; --range_i) { | |
1150 | const struct range *r = &ranges.ranges[range_i - 1]; | |
1151 | ent = blame_entry_prepend(ent, r->start, r->end, o); | |
1152 | num_lines += (r->end - r->start); | |
1153 | } | |
1154 | if (!num_lines) | |
1155 | num_lines = sb.num_lines; | |
1156 | ||
1157 | o->suspects = ent; | |
1158 | prio_queue_put(&sb.commits, o->commit); | |
1159 | ||
1160 | blame_origin_decref(o); | |
1161 | ||
1162 | range_set_release(&ranges); | |
1163 | string_list_clear(&range_list, 0); | |
1164 | ||
1165 | sb.ent = NULL; | |
1166 | ||
1167 | if (blame_move_score) | |
1168 | sb.move_score = blame_move_score; | |
1169 | if (blame_copy_score) | |
1170 | sb.copy_score = blame_copy_score; | |
1171 | ||
1172 | sb.debug = DEBUG_BLAME; | |
1173 | sb.on_sanity_fail = &sanity_check_on_fail; | |
1174 | ||
1175 | sb.show_root = show_root; | |
1176 | sb.xdl_opts = xdl_opts; | |
1177 | sb.no_whole_file_rename = no_whole_file_rename; | |
1178 | ||
1179 | read_mailmap(&mailmap); | |
1180 | ||
1181 | sb.found_guilty_entry = &found_guilty_entry; | |
1182 | sb.found_guilty_entry_data = π | |
1183 | if (show_progress) | |
1184 | pi.progress = start_delayed_progress(_("Blaming lines"), num_lines); | |
1185 | ||
1186 | assign_blame(&sb, opt); | |
1187 | ||
1188 | stop_progress(&pi.progress); | |
1189 | ||
1190 | if (!incremental) | |
1191 | setup_pager(); | |
1192 | else | |
1193 | goto cleanup; | |
1194 | ||
1195 | blame_sort_final(&sb); | |
1196 | ||
1197 | blame_coalesce(&sb); | |
1198 | ||
1199 | if (!(output_option & (OUTPUT_COLOR_LINE | OUTPUT_SHOW_AGE_WITH_COLOR))) | |
1200 | output_option |= coloring_mode; | |
1201 | ||
1202 | if (!(output_option & OUTPUT_PORCELAIN)) { | |
1203 | find_alignment(&sb, &output_option); | |
1204 | if (!*repeated_meta_color && | |
1205 | (output_option & OUTPUT_COLOR_LINE)) | |
1206 | xsnprintf(repeated_meta_color, | |
1207 | sizeof(repeated_meta_color), | |
1208 | "%s", GIT_COLOR_CYAN); | |
1209 | } | |
1210 | if (output_option & OUTPUT_ANNOTATE_COMPAT) | |
1211 | output_option &= ~(OUTPUT_COLOR_LINE | OUTPUT_SHOW_AGE_WITH_COLOR); | |
1212 | ||
1213 | output(&sb, output_option); | |
1214 | free((void *)sb.final_buf); | |
1215 | for (ent = sb.ent; ent; ) { | |
1216 | struct blame_entry *e = ent->next; | |
1217 | free(ent); | |
1218 | ent = e; | |
1219 | } | |
1220 | ||
1221 | if (show_stats) { | |
1222 | printf("num read blob: %d\n", sb.num_read_blob); | |
1223 | printf("num get patch: %d\n", sb.num_get_patch); | |
1224 | printf("num commits: %d\n", sb.num_commits); | |
1225 | } | |
1226 | ||
1227 | cleanup: | |
1228 | cleanup_scoreboard(&sb); | |
1229 | release_revisions(&revs); | |
1230 | return 0; | |
1231 | } |