Merge branch 'sb/blame-color' into jk/banned-function
[git/git.git] / builtin / blame.c
CommitLineData
cee7f245 1/*
31653c1a 2 * Blame
cee7f245 3 *
7e6ac6e4
DK
4 * Copyright (c) 2006, 2014 by its authors
5 * See COPYING for licensing conditions
cee7f245
JH
6 */
7
8#include "cache.h"
b2141fc1 9#include "config.h"
cdc2d5f1 10#include "color.h"
cee7f245 11#include "builtin.h"
3f5787f8 12#include "repository.h"
cee7f245 13#include "commit.h"
cee7f245 14#include "diff.h"
cee7f245 15#include "revision.h"
717d1462 16#include "quote.h"
c455c87c 17#include "string-list.h"
f9567384 18#include "mailmap.h"
5817da01 19#include "parse-options.h"
7e6ac6e4 20#include "prio-queue.h"
ffaf9cc0 21#include "utf8.h"
3b8a12e8 22#include "userdiff.h"
25ed3412 23#include "line-range.h"
58dbfa2e 24#include "line-log.h"
dbe44faa 25#include "dir.h"
aba37f49 26#include "progress.h"
cbd53a21 27#include "object-store.h"
dc076ae5 28#include "blame.h"
25d5f529 29#include "string-list.h"
cee7f245 30
ce41720c 31static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] <file>");
5817da01
PH
32
33static const char *blame_opt_usage[] = {
34 blame_usage,
35 "",
9c9b4f2f 36 N_("<rev-opts> are documented in git-rev-list(1)"),
5817da01
PH
37 NULL
38};
cee7f245
JH
39
40static int longest_file;
41static int longest_author;
42static int max_orig_digits;
43static int max_digits;
5ff62c30 44static int max_score_digits;
4c10a5ca 45static int show_root;
85af7929 46static int reverse;
4c10a5ca 47static int blank_boundary;
717d1462 48static int incremental;
582aa00b 49static int xdl_opts;
84393bfd 50static int abbrev = -1;
3d1aa566 51static int no_whole_file_rename;
aba37f49 52static int show_progress;
cdc2d5f1 53static char repeated_meta_color[COLOR_MAXLEN];
0dc95a4d 54static int coloring_mode;
31653c1a 55
a5481a6c 56static struct date_mode blame_date_mode = { DATE_ISO8601 };
31653c1a
EL
57static size_t blame_date_width;
58
2721ce21 59static struct string_list mailmap = STRING_LIST_INIT_NODUP;
cee7f245 60
54a4c617
JH
61#ifndef DEBUG
62#define DEBUG 0
63#endif
64
4a0fc95f
JH
65static unsigned blame_move_score;
66static unsigned blame_copy_score;
d24bba80 67
208acbfb 68/* Remember to update object flag allocation in object.h */
cee7f245
JH
69#define METAINFO_SHOWN (1u<<12)
70#define MORE_THAN_ONE_PATH (1u<<13)
d24bba80 71
aba37f49
ECA
72struct progress_info {
73 struct progress *progress;
74 int blamed_lines;
33494784
JH
75};
76
25ed3412 77static const char *nth_line_cb(void *data, long lno)
cee7f245 78{
935202bd 79 return blame_nth_line((struct blame_scoreboard *)data, lno);
cee7f245
JH
80}
81
1732a1fd
JH
82/*
83 * Information on commits, used for output.
84 */
9cba13ca 85struct commit_info {
ea02ffa3
AP
86 struct strbuf author;
87 struct strbuf author_mail;
dddbad72 88 timestamp_t author_time;
ea02ffa3 89 struct strbuf author_tz;
cee7f245
JH
90
91 /* filled only when asked for details */
ea02ffa3
AP
92 struct strbuf committer;
93 struct strbuf committer_mail;
dddbad72 94 timestamp_t committer_time;
ea02ffa3 95 struct strbuf committer_tz;
cee7f245 96
ea02ffa3 97 struct strbuf summary;
cee7f245
JH
98};
99
1732a1fd
JH
100/*
101 * Parse author/committer line in the commit object buffer
102 */
cee7f245 103static void get_ac_line(const char *inbuf, const char *what,
ea02ffa3 104 struct strbuf *name, struct strbuf *mail,
dddbad72 105 timestamp_t *time, struct strbuf *tz)
cee7f245 106{
3c020bd5 107 struct ident_split ident;
ea02ffa3
AP
108 size_t len, maillen, namelen;
109 char *tmp, *endp;
110 const char *namebuf, *mailbuf;
cee7f245
JH
111
112 tmp = strstr(inbuf, what);
113 if (!tmp)
114 goto error_out;
115 tmp += strlen(what);
116 endp = strchr(tmp, '\n');
117 if (!endp)
118 len = strlen(tmp);
119 else
120 len = endp - tmp;
3c020bd5
AP
121
122 if (split_ident_line(&ident, tmp, len)) {
cee7f245
JH
123 error_out:
124 /* Ugh */
ea02ffa3
AP
125 tmp = "(unknown)";
126 strbuf_addstr(name, tmp);
127 strbuf_addstr(mail, tmp);
128 strbuf_addstr(tz, tmp);
cee7f245
JH
129 *time = 0;
130 return;
131 }
cee7f245 132
3c020bd5 133 namelen = ident.name_end - ident.name_begin;
ea02ffa3 134 namebuf = ident.name_begin;
cee7f245 135
ea02ffa3
AP
136 maillen = ident.mail_end - ident.mail_begin;
137 mailbuf = ident.mail_begin;
f9567384 138
de5abe9f
RS
139 if (ident.date_begin && ident.date_end)
140 *time = strtoul(ident.date_begin, NULL, 10);
141 else
142 *time = 0;
f9567384 143
de5abe9f
RS
144 if (ident.tz_begin && ident.tz_end)
145 strbuf_add(tz, ident.tz_begin, ident.tz_end - ident.tz_begin);
146 else
147 strbuf_addstr(tz, "(unknown)");
f9567384 148
f9567384 149 /*
d20d654f 150 * Now, convert both name and e-mail using mailmap
f9567384 151 */
ea02ffa3
AP
152 map_user(&mailmap, &mailbuf, &maillen,
153 &namebuf, &namelen);
154
155 strbuf_addf(mail, "<%.*s>", (int)maillen, mailbuf);
156 strbuf_add(name, namebuf, namelen);
157}
158
159static void commit_info_init(struct commit_info *ci)
160{
161
162 strbuf_init(&ci->author, 0);
163 strbuf_init(&ci->author_mail, 0);
164 strbuf_init(&ci->author_tz, 0);
165 strbuf_init(&ci->committer, 0);
166 strbuf_init(&ci->committer_mail, 0);
167 strbuf_init(&ci->committer_tz, 0);
168 strbuf_init(&ci->summary, 0);
169}
170
171static void commit_info_destroy(struct commit_info *ci)
172{
173
174 strbuf_release(&ci->author);
175 strbuf_release(&ci->author_mail);
176 strbuf_release(&ci->author_tz);
177 strbuf_release(&ci->committer);
178 strbuf_release(&ci->committer_mail);
179 strbuf_release(&ci->committer_tz);
180 strbuf_release(&ci->summary);
cee7f245
JH
181}
182
183static void get_commit_info(struct commit *commit,
184 struct commit_info *ret,
185 int detailed)
186{
187 int len;
e297cf5a 188 const char *subject, *encoding;
b000c59b 189 const char *message;
ea02ffa3
AP
190
191 commit_info_init(ret);
cee7f245 192
e297cf5a 193 encoding = get_log_output_encoding();
5a10d236 194 message = logmsg_reencode(commit, NULL, encoding);
69cd8f63 195 get_ac_line(message, "\nauthor ",
ea02ffa3 196 &ret->author, &ret->author_mail,
cee7f245
JH
197 &ret->author_time, &ret->author_tz);
198
69cd8f63 199 if (!detailed) {
b66103c3 200 unuse_commit_buffer(commit, message);
cee7f245 201 return;
69cd8f63 202 }
cee7f245 203
69cd8f63 204 get_ac_line(message, "\ncommitter ",
ea02ffa3 205 &ret->committer, &ret->committer_mail,
cee7f245
JH
206 &ret->committer_time, &ret->committer_tz);
207
ad98a58b 208 len = find_commit_subject(message, &subject);
ea02ffa3
AP
209 if (len)
210 strbuf_add(&ret->summary, subject, len);
211 else
f2fd0760 212 strbuf_addf(&ret->summary, "(%s)", oid_to_hex(&commit->object.oid));
ea02ffa3 213
b66103c3 214 unuse_commit_buffer(commit, message);
cee7f245
JH
215}
216
1732a1fd 217/*
4e768329
JK
218 * Write out any suspect information which depends on the path. This must be
219 * handled separately from emit_one_suspect_detail(), because a given commit
220 * may have changes in multiple paths. So this needs to appear each time
221 * we mention a new group.
222 *
1732a1fd
JH
223 * To allow LF and other nonportable characters in pathnames,
224 * they are c-style quoted as needed.
225 */
f84afb9c 226static void write_filename_info(struct blame_origin *suspect)
46e5e69d 227{
4e768329 228 if (suspect->previous) {
f84afb9c 229 struct blame_origin *prev = suspect->previous;
4e768329
JK
230 printf("previous %s ", oid_to_hex(&prev->commit->object.oid));
231 write_name_quoted(prev->path, stdout, '\n');
232 }
46e5e69d 233 printf("filename ");
4e768329 234 write_name_quoted(suspect->path, stdout, '\n');
46e5e69d
JH
235}
236
9991030c
JH
237/*
238 * Porcelain/Incremental format wants to show a lot of details per
239 * commit. Instead of repeating this every line, emit it only once,
e86226e3
JK
240 * the first time each commit appears in the output (unless the
241 * user has specifically asked for us to repeat).
9991030c 242 */
f84afb9c 243static int emit_one_suspect_detail(struct blame_origin *suspect, int repeat)
9991030c
JH
244{
245 struct commit_info ci;
246
e86226e3 247 if (!repeat && (suspect->commit->object.flags & METAINFO_SHOWN))
9991030c
JH
248 return 0;
249
250 suspect->commit->object.flags |= METAINFO_SHOWN;
251 get_commit_info(suspect->commit, &ci, 1);
ea02ffa3
AP
252 printf("author %s\n", ci.author.buf);
253 printf("author-mail %s\n", ci.author_mail.buf);
cb71f8bd 254 printf("author-time %"PRItime"\n", ci.author_time);
ea02ffa3
AP
255 printf("author-tz %s\n", ci.author_tz.buf);
256 printf("committer %s\n", ci.committer.buf);
257 printf("committer-mail %s\n", ci.committer_mail.buf);
cb71f8bd 258 printf("committer-time %"PRItime"\n", ci.committer_time);
ea02ffa3
AP
259 printf("committer-tz %s\n", ci.committer_tz.buf);
260 printf("summary %s\n", ci.summary.buf);
9991030c
JH
261 if (suspect->commit->object.flags & UNINTERESTING)
262 printf("boundary\n");
ea02ffa3
AP
263
264 commit_info_destroy(&ci);
265
9991030c
JH
266 return 1;
267}
268
1732a1fd 269/*
7e6ac6e4
DK
270 * The blame_entry is found to be guilty for the range.
271 * Show it in incremental output.
1732a1fd 272 */
8c59921d 273static void found_guilty_entry(struct blame_entry *ent, void *data)
717d1462 274{
8c59921d
JS
275 struct progress_info *pi = (struct progress_info *)data;
276
717d1462 277 if (incremental) {
f84afb9c 278 struct blame_origin *suspect = ent->suspect;
717d1462
LT
279
280 printf("%s %d %d %d\n",
f2fd0760 281 oid_to_hex(&suspect->commit->object.oid),
717d1462 282 ent->s_lno + 1, ent->lno + 1, ent->num_lines);
e86226e3 283 emit_one_suspect_detail(suspect, 0);
4e768329 284 write_filename_info(suspect);
06f59e9f 285 maybe_flush_or_die(stdout, "stdout");
717d1462 286 }
aba37f49
ECA
287 pi->blamed_lines += ent->num_lines;
288 display_progress(pi->progress, pi->blamed_lines);
717d1462
LT
289}
290
dddbad72 291static const char *format_time(timestamp_t time, const char *tz_str,
717d1462
LT
292 int show_raw_time)
293{
bccce0f8 294 static struct strbuf time_buf = STRBUF_INIT;
717d1462 295
bccce0f8 296 strbuf_reset(&time_buf);
717d1462 297 if (show_raw_time) {
cb71f8bd 298 strbuf_addf(&time_buf, "%"PRItime" %s", time, tz_str);
717d1462 299 }
31653c1a 300 else {
ac39b277 301 const char *time_str;
bccce0f8 302 size_t time_width;
ac39b277 303 int tz;
31653c1a 304 tz = atoi(tz_str);
a5481a6c 305 time_str = show_date(time, tz, &blame_date_mode);
bccce0f8
JX
306 strbuf_addstr(&time_buf, time_str);
307 /*
308 * Add space paddings to time_buf to display a fixed width
309 * string, and use time_width for display width calibration.
310 */
311 for (time_width = utf8_strwidth(time_str);
312 time_width < blame_date_width;
313 time_width++)
314 strbuf_addch(&time_buf, ' ');
31653c1a 315 }
bccce0f8 316 return time_buf.buf;
717d1462
LT
317}
318
cee7f245
JH
319#define OUTPUT_ANNOTATE_COMPAT 001
320#define OUTPUT_LONG_OBJECT_NAME 002
321#define OUTPUT_RAW_TIMESTAMP 004
322#define OUTPUT_PORCELAIN 010
323#define OUTPUT_SHOW_NAME 020
324#define OUTPUT_SHOW_NUMBER 040
cdc2d5f1
SB
325#define OUTPUT_SHOW_SCORE 0100
326#define OUTPUT_NO_AUTHOR 0200
1b8cdce9 327#define OUTPUT_SHOW_EMAIL 0400
cdc2d5f1
SB
328#define OUTPUT_LINE_PORCELAIN 01000
329#define OUTPUT_COLOR_LINE 02000
25d5f529 330#define OUTPUT_SHOW_AGE_WITH_COLOR 04000
cee7f245 331
f84afb9c 332static void emit_porcelain_details(struct blame_origin *suspect, int repeat)
e86226e3
JK
333{
334 if (emit_one_suspect_detail(suspect, repeat) ||
335 (suspect->commit->object.flags & MORE_THAN_ONE_PATH))
4e768329 336 write_filename_info(suspect);
e86226e3
JK
337}
338
9807b3d6 339static void emit_porcelain(struct blame_scoreboard *sb, struct blame_entry *ent,
e86226e3 340 int opt)
cee7f245 341{
ed747dd5 342 int repeat = opt & OUTPUT_LINE_PORCELAIN;
cee7f245
JH
343 int cnt;
344 const char *cp;
f84afb9c 345 struct blame_origin *suspect = ent->suspect;
dc01505f 346 char hex[GIT_MAX_HEXSZ + 1];
cee7f245 347
2490574d 348 oid_to_hex_r(hex, &suspect->commit->object.oid);
7e6ac6e4 349 printf("%s %d %d %d\n",
cee7f245 350 hex,
cee7f245
JH
351 ent->s_lno + 1,
352 ent->lno + 1,
353 ent->num_lines);
ed747dd5 354 emit_porcelain_details(suspect, repeat);
cee7f245 355
935202bd 356 cp = blame_nth_line(sb, ent->lno);
cee7f245
JH
357 for (cnt = 0; cnt < ent->num_lines; cnt++) {
358 char ch;
ed747dd5 359 if (cnt) {
cee7f245
JH
360 printf("%s %d %d\n", hex,
361 ent->s_lno + 1 + cnt,
362 ent->lno + 1 + cnt);
ed747dd5
JK
363 if (repeat)
364 emit_porcelain_details(suspect, 1);
365 }
cee7f245
JH
366 putchar('\t');
367 do {
368 ch = *cp++;
369 putchar(ch);
370 } while (ch != '\n' &&
371 cp < sb->final_buf + sb->final_buf_size);
372 }
a5ca8367
JS
373
374 if (sb->final_buf_size && cp[-1] != '\n')
375 putchar('\n');
cee7f245
JH
376}
377
25d5f529
SB
378static struct color_field {
379 timestamp_t hop;
380 char col[COLOR_MAXLEN];
381} *colorfield;
382static int colorfield_nr, colorfield_alloc;
383
384static void parse_color_fields(const char *s)
385{
386 struct string_list l = STRING_LIST_INIT_DUP;
387 struct string_list_item *item;
388 enum { EXPECT_DATE, EXPECT_COLOR } next = EXPECT_COLOR;
389
390 colorfield_nr = 0;
391
392 /* Ideally this would be stripped and split at the same time? */
393 string_list_split(&l, s, ',', -1);
394 ALLOC_GROW(colorfield, colorfield_nr + 1, colorfield_alloc);
395
396 for_each_string_list_item(item, &l) {
397 switch (next) {
398 case EXPECT_DATE:
399 colorfield[colorfield_nr].hop = approxidate(item->string);
400 next = EXPECT_COLOR;
401 colorfield_nr++;
402 ALLOC_GROW(colorfield, colorfield_nr + 1, colorfield_alloc);
403 break;
404 case EXPECT_COLOR:
405 if (color_parse(item->string, colorfield[colorfield_nr].col))
406 die(_("expecting a color: %s"), item->string);
407 next = EXPECT_DATE;
408 break;
409 }
410 }
411
412 if (next == EXPECT_COLOR)
413 die (_("must end with a color"));
414
415 colorfield[colorfield_nr].hop = TIME_MAX;
297bdf07 416 string_list_clear(&l, 0);
25d5f529
SB
417}
418
419static void setup_default_color_by_age(void)
420{
421 parse_color_fields("blue,12 month ago,white,1 month ago,red");
422}
423
424static void determine_line_heat(struct blame_entry *ent, const char **dest_color)
425{
426 int i = 0;
427 struct commit_info ci;
428 get_commit_info(ent->suspect->commit, &ci, 1);
429
430 while (i < colorfield_nr && ci.author_time > colorfield[i].hop)
431 i++;
432
433 *dest_color = colorfield[i].col;
434}
435
9807b3d6 436static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int opt)
cee7f245
JH
437{
438 int cnt;
439 const char *cp;
f84afb9c 440 struct blame_origin *suspect = ent->suspect;
cee7f245 441 struct commit_info ci;
dc01505f 442 char hex[GIT_MAX_HEXSZ + 1];
cee7f245 443 int show_raw_time = !!(opt & OUTPUT_RAW_TIMESTAMP);
25d5f529 444 const char *default_color = NULL, *color = NULL, *reset = NULL;
cee7f245
JH
445
446 get_commit_info(suspect->commit, &ci, 1);
2490574d 447 oid_to_hex_r(hex, &suspect->commit->object.oid);
cee7f245 448
935202bd 449 cp = blame_nth_line(sb, ent->lno);
25d5f529
SB
450
451 if (opt & OUTPUT_SHOW_AGE_WITH_COLOR) {
452 determine_line_heat(ent, &default_color);
453 color = default_color;
454 reset = GIT_COLOR_RESET;
455 }
456
cee7f245
JH
457 for (cnt = 0; cnt < ent->num_lines; cnt++) {
458 char ch;
110d26fc 459 int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? GIT_SHA1_HEXSZ : abbrev;
b11121d9 460
cdc2d5f1
SB
461 if (opt & OUTPUT_COLOR_LINE) {
462 if (cnt > 0) {
463 color = repeated_meta_color;
464 reset = GIT_COLOR_RESET;
465 } else {
25d5f529
SB
466 color = default_color ? default_color : NULL;
467 reset = default_color ? GIT_COLOR_RESET : NULL;
cdc2d5f1
SB
468 }
469 }
470 if (color)
471 fputs(color, stdout);
472
b11121d9 473 if (suspect->commit->object.flags & UNINTERESTING) {
e68989a7
JH
474 if (blank_boundary)
475 memset(hex, ' ', length);
7ceacdff 476 else if (!(opt & OUTPUT_ANNOTATE_COMPAT)) {
4c10a5ca
JH
477 length--;
478 putchar('^');
479 }
b11121d9 480 }
cee7f245 481
b11121d9 482 printf("%.*s", length, hex);
1b8cdce9
KB
483 if (opt & OUTPUT_ANNOTATE_COMPAT) {
484 const char *name;
485 if (opt & OUTPUT_SHOW_EMAIL)
ea02ffa3 486 name = ci.author_mail.buf;
1b8cdce9 487 else
ea02ffa3 488 name = ci.author.buf;
1b8cdce9 489 printf("\t(%10s\t%10s\t%d)", name,
ea02ffa3 490 format_time(ci.author_time, ci.author_tz.buf,
cee7f245
JH
491 show_raw_time),
492 ent->lno + 1 + cnt);
1b8cdce9 493 } else {
5ff62c30 494 if (opt & OUTPUT_SHOW_SCORE)
54a4c617
JH
495 printf(" %*d %02d",
496 max_score_digits, ent->score,
497 ent->suspect->refcnt);
cee7f245
JH
498 if (opt & OUTPUT_SHOW_NAME)
499 printf(" %-*.*s", longest_file, longest_file,
500 suspect->path);
501 if (opt & OUTPUT_SHOW_NUMBER)
502 printf(" %*d", max_orig_digits,
503 ent->s_lno + 1 + cnt);
093dc5be 504
ffaf9cc0 505 if (!(opt & OUTPUT_NO_AUTHOR)) {
1b8cdce9
KB
506 const char *name;
507 int pad;
508 if (opt & OUTPUT_SHOW_EMAIL)
ea02ffa3 509 name = ci.author_mail.buf;
1b8cdce9 510 else
ea02ffa3 511 name = ci.author.buf;
1b8cdce9 512 pad = longest_author - utf8_strwidth(name);
ffaf9cc0 513 printf(" (%s%*s %10s",
1b8cdce9 514 name, pad, "",
093dc5be 515 format_time(ci.author_time,
ea02ffa3 516 ci.author_tz.buf,
093dc5be 517 show_raw_time));
ffaf9cc0 518 }
093dc5be 519 printf(" %*d) ",
cee7f245
JH
520 max_digits, ent->lno + 1 + cnt);
521 }
cdc2d5f1
SB
522 if (reset)
523 fputs(reset, stdout);
cee7f245
JH
524 do {
525 ch = *cp++;
526 putchar(ch);
527 } while (ch != '\n' &&
528 cp < sb->final_buf + sb->final_buf_size);
529 }
a5ca8367
JS
530
531 if (sb->final_buf_size && cp[-1] != '\n')
532 putchar('\n');
ea02ffa3
AP
533
534 commit_info_destroy(&ci);
cee7f245
JH
535}
536
9807b3d6 537static void output(struct blame_scoreboard *sb, int option)
cee7f245
JH
538{
539 struct blame_entry *ent;
540
541 if (option & OUTPUT_PORCELAIN) {
542 for (ent = sb->ent; ent; ent = ent->next) {
7e6ac6e4 543 int count = 0;
f84afb9c 544 struct blame_origin *suspect;
7e6ac6e4 545 struct commit *commit = ent->suspect->commit;
cee7f245
JH
546 if (commit->object.flags & MORE_THAN_ONE_PATH)
547 continue;
4e0df4e6 548 for (suspect = get_blame_suspects(commit); suspect; suspect = suspect->next) {
7e6ac6e4
DK
549 if (suspect->guilty && count++) {
550 commit->object.flags |= MORE_THAN_ONE_PATH;
551 break;
552 }
cee7f245
JH
553 }
554 }
555 }
556
557 for (ent = sb->ent; ent; ent = ent->next) {
558 if (option & OUTPUT_PORCELAIN)
e86226e3 559 emit_porcelain(sb, ent, option);
5ff62c30 560 else {
cee7f245 561 emit_other(sb, ent, option);
5ff62c30 562 }
cee7f245
JH
563 }
564}
565
1732a1fd
JH
566/*
567 * Add phony grafts for use with -S; this is primarily to
34baebce 568 * support git's cvsserver that wants to give a linear history
1732a1fd
JH
569 * to its clients.
570 */
cee7f245
JH
571static int read_ancestry(const char *graft_file)
572{
e9d983f1 573 FILE *fp = fopen_or_warn(graft_file, "r");
e228c173 574 struct strbuf buf = STRBUF_INIT;
cee7f245
JH
575 if (!fp)
576 return -1;
e228c173 577 while (!strbuf_getwholeline(&buf, fp, '\n')) {
cee7f245 578 /* The format is just "Commit Parent1 Parent2 ...\n" */
9a934032 579 struct commit_graft *graft = read_graft_line(&buf);
8eaf7986 580 if (graft)
3f5787f8 581 register_commit_graft(the_repository, graft, 0);
cee7f245
JH
582 }
583 fclose(fp);
e228c173 584 strbuf_release(&buf);
cee7f245
JH
585 return 0;
586}
587
f84afb9c 588static int update_auto_abbrev(int auto_abbrev, struct blame_origin *suspect)
b31272f7 589{
aab9583f 590 const char *uniq = find_unique_abbrev(&suspect->commit->object.oid,
b31272f7
JH
591 auto_abbrev);
592 int len = strlen(uniq);
593 if (auto_abbrev < len)
594 return len;
595 return auto_abbrev;
596}
597
1732a1fd
JH
598/*
599 * How many columns do we need to show line numbers, authors,
600 * and filenames?
601 */
9807b3d6 602static void find_alignment(struct blame_scoreboard *sb, int *option)
cee7f245
JH
603{
604 int longest_src_lines = 0;
605 int longest_dst_lines = 0;
5ff62c30 606 unsigned largest_score = 0;
cee7f245 607 struct blame_entry *e;
b31272f7 608 int compute_auto_abbrev = (abbrev < 0);
5293284b 609 int auto_abbrev = DEFAULT_ABBREV;
cee7f245
JH
610
611 for (e = sb->ent; e; e = e->next) {
f84afb9c 612 struct blame_origin *suspect = e->suspect;
cee7f245
JH
613 int num;
614
b31272f7
JH
615 if (compute_auto_abbrev)
616 auto_abbrev = update_auto_abbrev(auto_abbrev, suspect);
ab3bb800
JH
617 if (strcmp(suspect->path, sb->path))
618 *option |= OUTPUT_SHOW_NAME;
619 num = strlen(suspect->path);
620 if (longest_file < num)
621 longest_file = num;
cee7f245 622 if (!(suspect->commit->object.flags & METAINFO_SHOWN)) {
e6005927 623 struct commit_info ci;
cee7f245
JH
624 suspect->commit->object.flags |= METAINFO_SHOWN;
625 get_commit_info(suspect->commit, &ci, 1);
1b8cdce9 626 if (*option & OUTPUT_SHOW_EMAIL)
ea02ffa3 627 num = utf8_strwidth(ci.author_mail.buf);
1b8cdce9 628 else
ea02ffa3 629 num = utf8_strwidth(ci.author.buf);
cee7f245
JH
630 if (longest_author < num)
631 longest_author = num;
e6005927 632 commit_info_destroy(&ci);
cee7f245
JH
633 }
634 num = e->s_lno + e->num_lines;
635 if (longest_src_lines < num)
636 longest_src_lines = num;
637 num = e->lno + e->num_lines;
638 if (longest_dst_lines < num)
639 longest_dst_lines = num;
1a31a2d9
JS
640 if (largest_score < blame_entry_score(sb, e))
641 largest_score = blame_entry_score(sb, e);
cee7f245 642 }
ec7ff5ba
ZJS
643 max_orig_digits = decimal_width(longest_src_lines);
644 max_digits = decimal_width(longest_dst_lines);
645 max_score_digits = decimal_width(largest_score);
b31272f7
JH
646
647 if (compute_auto_abbrev)
648 /* one more abbrev length is needed for the boundary commit */
649 abbrev = auto_abbrev + 1;
cee7f245
JH
650}
651
4149c186 652static void sanity_check_on_fail(struct blame_scoreboard *sb, int baa)
54a4c617 653{
4149c186
JS
654 int opt = OUTPUT_SHOW_SCORE | OUTPUT_SHOW_NUMBER | OUTPUT_SHOW_NAME;
655 find_alignment(sb, &opt);
656 output(sb, opt);
657 die("Baa %d!", baa);
54a4c617
JH
658}
659
4a0fc95f
JH
660static unsigned parse_score(const char *arg)
661{
662 char *end;
663 unsigned long score = strtoul(arg, &end, 10);
664 if (*end)
665 return 0;
666 return score;
667}
668
20239bae
JK
669static const char *add_prefix(const char *prefix, const char *path)
670{
097971f5 671 return prefix_path(prefix, prefix ? strlen(prefix) : 0, path);
20239bae
JK
672}
673
ef90d6d4 674static int git_blame_config(const char *var, const char *value, void *cb)
4c10a5ca
JH
675{
676 if (!strcmp(var, "blame.showroot")) {
677 show_root = git_config_bool(var, value);
678 return 0;
679 }
680 if (!strcmp(var, "blame.blankboundary")) {
681 blank_boundary = git_config_bool(var, value);
682 return 0;
683 }
8b504db3
QN
684 if (!strcmp(var, "blame.showemail")) {
685 int *output_option = cb;
686 if (git_config_bool(var, value))
687 *output_option |= OUTPUT_SHOW_EMAIL;
688 else
689 *output_option &= ~OUTPUT_SHOW_EMAIL;
690 return 0;
691 }
31653c1a
EL
692 if (!strcmp(var, "blame.date")) {
693 if (!value)
694 return config_error_nonbool(var);
a5481a6c 695 parse_date_format(value, &blame_date_mode);
31653c1a
EL
696 return 0;
697 }
cdc2d5f1
SB
698 if (!strcmp(var, "color.blame.repeatedlines")) {
699 if (color_parse_mem(value, strlen(value), repeated_meta_color))
700 warning(_("invalid color '%s' in color.blame.repeatedLines"),
701 value);
702 return 0;
703 }
25d5f529
SB
704 if (!strcmp(var, "color.blame.highlightrecent")) {
705 parse_color_fields(value);
706 return 0;
707 }
3b8a12e8 708
0dc95a4d
SB
709 if (!strcmp(var, "blame.coloring")) {
710 if (!strcmp(value, "repeatedLines")) {
711 coloring_mode |= OUTPUT_COLOR_LINE;
712 } else if (!strcmp(value, "highlightRecent")) {
713 coloring_mode |= OUTPUT_SHOW_AGE_WITH_COLOR;
714 } else if (!strcmp(value, "none")) {
715 coloring_mode &= ~(OUTPUT_COLOR_LINE |
716 OUTPUT_SHOW_AGE_WITH_COLOR);
717 } else {
718 warning(_("invalid value for blame.coloring"));
719 return 0;
720 }
721 }
3b8a12e8 722
5b162879
MH
723 if (git_diff_heuristic_config(var, value, cb) < 0)
724 return -1;
6680a087 725 if (userdiff_config(var, value) < 0)
3b8a12e8 726 return -1;
3b8a12e8 727
ef90d6d4 728 return git_default_config(var, value, cb);
4c10a5ca
JH
729}
730
5817da01
PH
731static int blame_copy_callback(const struct option *option, const char *arg, int unset)
732{
733 int *opt = option->value;
734
735 /*
736 * -C enables copy from removed files;
737 * -C -C enables copy from existing files, but only
738 * when blaming a new file;
739 * -C -C -C enables copy from existing files for
740 * everybody
741 */
742 if (*opt & PICKAXE_BLAME_COPY_HARDER)
743 *opt |= PICKAXE_BLAME_COPY_HARDEST;
744 if (*opt & PICKAXE_BLAME_COPY)
745 *opt |= PICKAXE_BLAME_COPY_HARDER;
746 *opt |= PICKAXE_BLAME_COPY | PICKAXE_BLAME_MOVE;
747
748 if (arg)
749 blame_copy_score = parse_score(arg);
750 return 0;
751}
752
753static int blame_move_callback(const struct option *option, const char *arg, int unset)
754{
755 int *opt = option->value;
756
757 *opt |= PICKAXE_BLAME_MOVE;
758
759 if (arg)
760 blame_move_score = parse_score(arg);
761 return 0;
762}
763
0c668f55
JH
764static int is_a_rev(const char *name)
765{
766 struct object_id oid;
767
768 if (get_oid(name, &oid))
769 return 0;
0df8e965 770 return OBJ_NONE < oid_object_info(the_repository, &oid, NULL);
0c668f55
JH
771}
772
acca687f 773int cmd_blame(int argc, const char **argv, const char *prefix)
cee7f245
JH
774{
775 struct rev_info revs;
776 const char *path;
9807b3d6 777 struct blame_scoreboard sb;
f84afb9c 778 struct blame_origin *o;
58dbfa2e
ES
779 struct blame_entry *ent = NULL;
780 long dashdash_pos, lno;
8c59921d 781 struct progress_info pi = { NULL, 0 };
5817da01 782
64093fc0
JK
783 struct string_list range_list = STRING_LIST_INIT_NODUP;
784 int output_option = 0, opt = 0;
785 int show_stats = 0;
786 const char *revs_file = NULL;
787 const char *contents_from = NULL;
788 const struct option options[] = {
d5d09d47
SB
789 OPT_BOOL(0, "incremental", &incremental, N_("Show blame entries as we find them, incrementally")),
790 OPT_BOOL('b', NULL, &blank_boundary, N_("Show blank SHA-1 for boundary commits (Default: off)")),
791 OPT_BOOL(0, "root", &show_root, N_("Do not treat root commits as boundaries (Default: off)")),
792 OPT_BOOL(0, "show-stats", &show_stats, N_("Show work cost statistics")),
aba37f49 793 OPT_BOOL(0, "progress", &show_progress, N_("Force progress reporting")),
efd2a8bd
NTND
794 OPT_BIT(0, "score-debug", &output_option, N_("Show output score for blame entries"), OUTPUT_SHOW_SCORE),
795 OPT_BIT('f', "show-name", &output_option, N_("Show original filename (Default: auto)"), OUTPUT_SHOW_NAME),
796 OPT_BIT('n', "show-number", &output_option, N_("Show original linenumber (Default: off)"), OUTPUT_SHOW_NUMBER),
797 OPT_BIT('p', "porcelain", &output_option, N_("Show in a format designed for machine consumption"), OUTPUT_PORCELAIN),
798 OPT_BIT(0, "line-porcelain", &output_option, N_("Show porcelain format with per-line commit information"), OUTPUT_PORCELAIN|OUTPUT_LINE_PORCELAIN),
799 OPT_BIT('c', NULL, &output_option, N_("Use the same output mode as git-annotate (Default: off)"), OUTPUT_ANNOTATE_COMPAT),
800 OPT_BIT('t', NULL, &output_option, N_("Show raw timestamp (Default: off)"), OUTPUT_RAW_TIMESTAMP),
801 OPT_BIT('l', NULL, &output_option, N_("Show long commit SHA1 (Default: off)"), OUTPUT_LONG_OBJECT_NAME),
802 OPT_BIT('s', NULL, &output_option, N_("Suppress author name and timestamp (Default: off)"), OUTPUT_NO_AUTHOR),
803 OPT_BIT('e', "show-email", &output_option, N_("Show author email instead of name (Default: off)"), OUTPUT_SHOW_EMAIL),
804 OPT_BIT('w', NULL, &xdl_opts, N_("Ignore whitespace differences"), XDF_IGNORE_WHITESPACE),
cdc2d5f1 805 OPT_BIT(0, "color-lines", &output_option, N_("color redundant metadata from previous line differently"), OUTPUT_COLOR_LINE),
25d5f529 806 OPT_BIT(0, "color-by-age", &output_option, N_("color lines by age"), OUTPUT_SHOW_AGE_WITH_COLOR),
5b162879
MH
807
808 /*
809 * The following two options are parsed by parse_revision_opt()
810 * and are only included here to get included in the "-h"
811 * output:
812 */
3cde4e02 813 { OPTION_LOWLEVEL_CALLBACK, 0, "indent-heuristic", NULL, NULL, N_("Use an experimental heuristic to improve diffs"), PARSE_OPT_NOARG, parse_opt_unknown_cb },
5b162879 814
efd2a8bd
NTND
815 OPT_BIT(0, "minimal", &xdl_opts, N_("Spend extra cycles to find better match"), XDF_NEED_MINIMAL),
816 OPT_STRING('S', NULL, &revs_file, N_("file"), N_("Use revisions from <file> instead of calling git-rev-list")),
817 OPT_STRING(0, "contents", &contents_from, N_("file"), N_("Use <file>'s contents as the final image")),
818 { OPTION_CALLBACK, 'C', NULL, &opt, N_("score"), N_("Find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback },
819 { OPTION_CALLBACK, 'M', NULL, &opt, N_("score"), N_("Find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback },
58dbfa2e 820 OPT_STRING_LIST('L', NULL, &range_list, N_("n,m"), N_("Process only line range n,m, counting from 1")),
84393bfd 821 OPT__ABBREV(&abbrev),
5817da01
PH
822 OPT_END()
823 };
824
825 struct parse_opt_ctx_t ctx;
7ceacdff 826 int cmd_is_annotate = !strcmp(argv[0], "annotate");
58dbfa2e
ES
827 struct range_set ranges;
828 unsigned int range_i;
52f4d126 829 long anchor;
e68989a7 830
25d5f529 831 setup_default_color_by_age();
8b504db3 832 git_config(git_blame_config, &output_option);
5817da01 833 init_revisions(&revs, NULL);
31653c1a 834 revs.date_mode = blame_date_mode;
0d1e0e78
BW
835 revs.diffopt.flags.allow_textconv = 1;
836 revs.diffopt.flags.follow_renames = 1;
31653c1a 837
612702e8 838 save_commit_buffer = 0;
3f8d5204 839 dashdash_pos = 0;
aba37f49 840 show_progress = -1;
612702e8 841
9ca1169f
SB
842 parse_options_start(&ctx, argc, argv, prefix, options,
843 PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0);
5817da01 844 for (;;) {
5817da01
PH
845 switch (parse_options_step(&ctx, options, blame_opt_usage)) {
846 case PARSE_OPT_HELP:
3bb0923f 847 case PARSE_OPT_ERROR:
5817da01
PH
848 exit(129);
849 case PARSE_OPT_DONE:
3f8d5204
PH
850 if (ctx.argv[0])
851 dashdash_pos = ctx.cpidx;
5817da01
PH
852 goto parse_done;
853 }
854
855 if (!strcmp(ctx.argv[0], "--reverse")) {
856 ctx.argv[0] = "--children";
857 reverse = 1;
858 }
6b61ec05 859 parse_revision_opt(&revs, &ctx, options, blame_opt_usage);
5817da01
PH
860 }
861parse_done:
0d1e0e78 862 no_whole_file_rename = !revs.diffopt.flags.follow_renames;
3cde4e02 863 xdl_opts |= revs.diffopt.xdl_opts & XDF_INDENT_HEURISTIC;
0d1e0e78 864 revs.diffopt.flags.follow_renames = 0;
5817da01
PH
865 argc = parse_options_end(&ctx);
866
aba37f49
ECA
867 if (incremental || (output_option & OUTPUT_PORCELAIN)) {
868 if (show_progress > 0)
e3f54bff 869 die(_("--progress can't be used with --incremental or porcelain formats"));
aba37f49
ECA
870 show_progress = 0;
871 } else if (show_progress < 0)
872 show_progress = isatty(2);
873
91229834 874 if (0 < abbrev && abbrev < GIT_SHA1_HEXSZ)
b31272f7
JH
875 /* one more abbrev length is needed for the boundary commit */
876 abbrev++;
ed58d808
JK
877 else if (!abbrev)
878 abbrev = GIT_SHA1_HEXSZ;
84393bfd 879
aa9ea77d 880 if (revs_file && read_ancestry(revs_file))
d824cbba 881 die_errno("reading graft file '%s' failed", revs_file);
aa9ea77d 882
31653c1a 883 if (cmd_is_annotate) {
7ceacdff 884 output_option |= OUTPUT_ANNOTATE_COMPAT;
a5481a6c 885 blame_date_mode.type = DATE_ISO8601;
31653c1a
EL
886 } else {
887 blame_date_mode = revs.date_mode;
888 }
889
890 /* The maximum width used to show the dates */
a5481a6c 891 switch (blame_date_mode.type) {
31653c1a
EL
892 case DATE_RFC2822:
893 blame_date_width = sizeof("Thu, 19 Oct 2006 16:00:04 -0700");
894 break;
466fb674
BB
895 case DATE_ISO8601_STRICT:
896 blame_date_width = sizeof("2006-10-19T16:00:04-07:00");
897 break;
31653c1a
EL
898 case DATE_ISO8601:
899 blame_date_width = sizeof("2006-10-19 16:00:04 -0700");
900 break;
901 case DATE_RAW:
902 blame_date_width = sizeof("1161298804 -0700");
903 break;
642833db
JK
904 case DATE_UNIX:
905 blame_date_width = sizeof("1161298804");
906 break;
31653c1a
EL
907 case DATE_SHORT:
908 blame_date_width = sizeof("2006-10-19");
909 break;
910 case DATE_RELATIVE:
66f5f6dc
ÆAB
911 /*
912 * TRANSLATORS: This string is used to tell us the
913 * maximum display width for a relative timestamp in
914 * "git blame" output. For C locale, "4 years, 11
915 * months ago", which takes 22 places, is the longest
916 * among various forms of relative timestamps, but
917 * your language may need more or fewer display
918 * columns.
919 */
dd75553b
JX
920 blame_date_width = utf8_strwidth(_("4 years, 11 months ago")) + 1; /* add the null */
921 break;
31653c1a
EL
922 case DATE_NORMAL:
923 blame_date_width = sizeof("Thu Oct 19 16:00:04 2006 -0700");
924 break;
aa1462cc
JK
925 case DATE_STRFTIME:
926 blame_date_width = strlen(show_date(0, 0, &blame_date_mode)) + 1; /* add the null */
927 break;
31653c1a
EL
928 }
929 blame_date_width -= 1; /* strip the null */
7ceacdff 930
0d1e0e78 931 if (revs.diffopt.flags.find_copies_harder)
b3123f98
JH
932 opt |= (PICKAXE_BLAME_COPY | PICKAXE_BLAME_MOVE |
933 PICKAXE_BLAME_COPY_HARDER);
934
1732a1fd
JH
935 /*
936 * We have collected options unknown to us in argv[1..unk]
cee7f245 937 * which are to be passed to revision machinery if we are
3dff5379 938 * going to do the "bottom" processing.
cee7f245
JH
939 *
940 * The remaining are:
941 *
22e5e58a 942 * (1) if dashdash_pos != 0, it is either
3f8d5204
PH
943 * "blame [revisions] -- <path>" or
944 * "blame -- <path> <rev>"
cee7f245 945 *
22e5e58a 946 * (2) otherwise, it is one of the two:
3f8d5204
PH
947 * "blame [revisions] <path>"
948 * "blame <path> <rev>"
cee7f245 949 *
3f8d5204
PH
950 * Note that we must strip out <path> from the arguments: we do not
951 * want the path pruning but we may want "bottom" processing.
cee7f245 952 */
3f8d5204
PH
953 if (dashdash_pos) {
954 switch (argc - dashdash_pos - 1) {
955 case 2: /* (1b) */
956 if (argc != 4)
5817da01 957 usage_with_options(blame_opt_usage, options);
3f8d5204
PH
958 /* reorder for the new way: <rev> -- <path> */
959 argv[1] = argv[3];
960 argv[3] = argv[2];
961 argv[2] = "--";
962 /* FALLTHROUGH */
963 case 1: /* (1a) */
964 path = add_prefix(prefix, argv[--argc]);
965 argv[argc] = NULL;
966 break;
967 default:
968 usage_with_options(blame_opt_usage, options);
cee7f245 969 }
3f8d5204
PH
970 } else {
971 if (argc < 2)
5817da01 972 usage_with_options(blame_opt_usage, options);
0c668f55 973 if (argc == 3 && is_a_rev(argv[argc - 1])) { /* (2b) */
3f8d5204
PH
974 path = add_prefix(prefix, argv[1]);
975 argv[1] = argv[2];
0c668f55
JH
976 } else { /* (2a) */
977 if (argc == 2 && is_a_rev(argv[1]) && !get_git_work_tree())
978 die("missing <path> to blame");
979 path = add_prefix(prefix, argv[argc - 1]);
cee7f245 980 }
3f8d5204 981 argv[argc - 1] = "--";
cee7f245
JH
982 }
983
8b3dce56 984 revs.disable_stdin = 1;
3f8d5204 985 setup_revisions(argc, argv, &revs, NULL);
cee7f245 986
6e4c9b5b 987 init_scoreboard(&sb);
85af7929 988 sb.revs = &revs;
84be875e 989 sb.contents_from = contents_from;
f81d70e9 990 sb.reverse = reverse;
d0d0ef1f
JS
991 setup_scoreboard(&sb, path, &o);
992 lno = sb.num_lines;
cee7f245 993
58dbfa2e 994 if (lno && !range_list.nr)
aa59e14b 995 string_list_append(&range_list, "1");
58dbfa2e 996
52f4d126 997 anchor = 1;
58dbfa2e
ES
998 range_set_init(&ranges, range_list.nr);
999 for (range_i = 0; range_i < range_list.nr; ++range_i) {
1000 long bottom, top;
1001 if (parse_range_arg(range_list.items[range_i].string,
52f4d126 1002 nth_line_cb, &sb, lno, anchor,
58dbfa2e
ES
1003 &bottom, &top, sb.path))
1004 usage(blame_usage);
1005 if (lno < top || ((lno || bottom) && lno < bottom))
e3f54bff
VA
1006 die(Q_("file %s has only %lu line",
1007 "file %s has only %lu lines",
1008 lno), path, lno);
58dbfa2e
ES
1009 if (bottom < 1)
1010 bottom = 1;
1011 if (top < 1)
1012 top = lno;
1013 bottom--;
1014 range_set_append_unsafe(&ranges, bottom, top);
52f4d126 1015 anchor = top + 1;
58dbfa2e
ES
1016 }
1017 sort_and_merge_range_set(&ranges);
1018
1019 for (range_i = ranges.nr; range_i > 0; --range_i) {
1020 const struct range *r = &ranges.ranges[range_i - 1];
e94f77f0 1021 ent = blame_entry_prepend(ent, r->start, r->end, o);
58dbfa2e 1022 }
7e6ac6e4
DK
1023
1024 o->suspects = ent;
1025 prio_queue_put(&sb.commits, o->commit);
1026
006a0744 1027 blame_origin_decref(o);
58dbfa2e
ES
1028
1029 range_set_release(&ranges);
1030 string_list_clear(&range_list, 0);
cee7f245 1031
7e6ac6e4 1032 sb.ent = NULL;
cee7f245
JH
1033 sb.path = path;
1034
18ec0d62
JS
1035 if (blame_move_score)
1036 sb.move_score = blame_move_score;
1037 if (blame_copy_score)
1038 sb.copy_score = blame_copy_score;
1039
4149c186
JS
1040 sb.debug = DEBUG;
1041 sb.on_sanity_fail = &sanity_check_on_fail;
1042
2cf83374 1043 sb.show_root = show_root;
73e1c299 1044 sb.xdl_opts = xdl_opts;
1f44129b 1045 sb.no_whole_file_rename = no_whole_file_rename;
2cf83374 1046
d551a488 1047 read_mailmap(&mailmap, NULL);
f9567384 1048
8c59921d
JS
1049 sb.found_guilty_entry = &found_guilty_entry;
1050 sb.found_guilty_entry_data = &pi;
1051 if (show_progress)
8aade107 1052 pi.progress = start_delayed_progress(_("Blaming lines"), sb.num_lines);
8c59921d 1053
aba37f49
ECA
1054 assign_blame(&sb, opt);
1055
8c59921d
JS
1056 stop_progress(&pi.progress);
1057
b92565dc
MH
1058 if (!incremental)
1059 setup_pager();
835c49f7 1060 else
717d1462
LT
1061 return 0;
1062
78b06e66 1063 blame_sort_final(&sb);
7e6ac6e4 1064
c6971362 1065 blame_coalesce(&sb);
cee7f245 1066
0dc95a4d
SB
1067 if (!(output_option & (OUTPUT_COLOR_LINE | OUTPUT_SHOW_AGE_WITH_COLOR)))
1068 output_option |= coloring_mode;
1069
cdc2d5f1 1070 if (!(output_option & OUTPUT_PORCELAIN)) {
cee7f245 1071 find_alignment(&sb, &output_option);
cdc2d5f1
SB
1072 if (!*repeated_meta_color &&
1073 (output_option & OUTPUT_COLOR_LINE))
022d2ac1
JK
1074 xsnprintf(repeated_meta_color,
1075 sizeof(repeated_meta_color),
1076 "%s", GIT_COLOR_CYAN);
cdc2d5f1
SB
1077 }
1078 if (output_option & OUTPUT_ANNOTATE_COMPAT)
25d5f529 1079 output_option &= ~(OUTPUT_COLOR_LINE | OUTPUT_SHOW_AGE_WITH_COLOR);
cee7f245
JH
1080
1081 output(&sb, output_option);
1082 free((void *)sb.final_buf);
1083 for (ent = sb.ent; ent; ) {
1084 struct blame_entry *e = ent->next;
1085 free(ent);
1086 ent = e;
1087 }
c2e525d9 1088
870b39c1 1089 if (show_stats) {
8449528d
JS
1090 printf("num read blob: %d\n", sb.num_read_blob);
1091 printf("num get patch: %d\n", sb.num_get_patch);
1092 printf("num commits: %d\n", sb.num_commits);
c2e525d9 1093 }
cee7f245
JH
1094 return 0;
1095}