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Commit | Line | Data |
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5010cb5f JH |
1 | /* |
2 | * Builtin "git grep" | |
3 | * | |
4 | * Copyright (c) 2006 Junio C Hamano | |
5 | */ | |
6 | #include "cache.h" | |
7 | #include "blob.h" | |
8 | #include "tree.h" | |
9 | #include "commit.h" | |
10 | #include "tag.h" | |
1362671f | 11 | #include "tree-walk.h" |
5010cb5f | 12 | #include "builtin.h" |
3e230fa1 | 13 | #include "parse-options.h" |
678e484b JS |
14 | #include "string-list.h" |
15 | #include "run-command.h" | |
60ecac98 | 16 | #include "userdiff.h" |
83b5d2f5 | 17 | #include "grep.h" |
493b7a08 | 18 | #include "quote.h" |
59332d13 | 19 | #include "dir.h" |
93749194 | 20 | #include "thread-utils.h" |
5b594f45 | 21 | |
3e230fa1 | 22 | static char const * const grep_usage[] = { |
62b4698e | 23 | "git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]", |
3e230fa1 RS |
24 | NULL |
25 | }; | |
26 | ||
5b594f45 FK |
27 | static int use_threads = 1; |
28 | ||
29 | #ifndef NO_PTHREADS | |
30 | #define THREADS 8 | |
31 | static pthread_t threads[THREADS]; | |
32 | ||
33 | static void *load_sha1(const unsigned char *sha1, unsigned long *size, | |
34 | const char *name); | |
35 | static void *load_file(const char *filename, size_t *sz); | |
36 | ||
37 | enum work_type {WORK_SHA1, WORK_FILE}; | |
38 | ||
39 | /* We use one producer thread and THREADS consumer | |
40 | * threads. The producer adds struct work_items to 'todo' and the | |
41 | * consumers pick work items from the same array. | |
42 | */ | |
9cba13ca | 43 | struct work_item { |
5b594f45 FK |
44 | enum work_type type; |
45 | char *name; | |
46 | ||
47 | /* if type == WORK_SHA1, then 'identifier' is a SHA1, | |
48 | * otherwise type == WORK_FILE, and 'identifier' is a NUL | |
49 | * terminated filename. | |
50 | */ | |
51 | void *identifier; | |
52 | char done; | |
53 | struct strbuf out; | |
54 | }; | |
55 | ||
56 | /* In the range [todo_done, todo_start) in 'todo' we have work_items | |
57 | * that have been or are processed by a consumer thread. We haven't | |
58 | * written the result for these to stdout yet. | |
59 | * | |
60 | * The work_items in [todo_start, todo_end) are waiting to be picked | |
61 | * up by a consumer thread. | |
62 | * | |
63 | * The ranges are modulo TODO_SIZE. | |
64 | */ | |
65 | #define TODO_SIZE 128 | |
66 | static struct work_item todo[TODO_SIZE]; | |
67 | static int todo_start; | |
68 | static int todo_end; | |
69 | static int todo_done; | |
70 | ||
71 | /* Has all work items been added? */ | |
72 | static int all_work_added; | |
73 | ||
74 | /* This lock protects all the variables above. */ | |
75 | static pthread_mutex_t grep_mutex; | |
76 | ||
1487a12b JH |
77 | static inline void grep_lock(void) |
78 | { | |
79 | if (use_threads) | |
80 | pthread_mutex_lock(&grep_mutex); | |
81 | } | |
82 | ||
83 | static inline void grep_unlock(void) | |
84 | { | |
85 | if (use_threads) | |
86 | pthread_mutex_unlock(&grep_mutex); | |
87 | } | |
88 | ||
5b594f45 FK |
89 | /* Used to serialize calls to read_sha1_file. */ |
90 | static pthread_mutex_t read_sha1_mutex; | |
91 | ||
1487a12b JH |
92 | static inline void read_sha1_lock(void) |
93 | { | |
94 | if (use_threads) | |
95 | pthread_mutex_lock(&read_sha1_mutex); | |
96 | } | |
97 | ||
98 | static inline void read_sha1_unlock(void) | |
99 | { | |
100 | if (use_threads) | |
101 | pthread_mutex_unlock(&read_sha1_mutex); | |
102 | } | |
5b594f45 FK |
103 | |
104 | /* Signalled when a new work_item is added to todo. */ | |
105 | static pthread_cond_t cond_add; | |
106 | ||
107 | /* Signalled when the result from one work_item is written to | |
108 | * stdout. | |
109 | */ | |
110 | static pthread_cond_t cond_write; | |
111 | ||
112 | /* Signalled when we are finished with everything. */ | |
113 | static pthread_cond_t cond_result; | |
114 | ||
08303c36 | 115 | static int skip_first_line; |
431d6e7b | 116 | |
5b594f45 FK |
117 | static void add_work(enum work_type type, char *name, void *id) |
118 | { | |
119 | grep_lock(); | |
120 | ||
121 | while ((todo_end+1) % ARRAY_SIZE(todo) == todo_done) { | |
122 | pthread_cond_wait(&cond_write, &grep_mutex); | |
123 | } | |
124 | ||
125 | todo[todo_end].type = type; | |
126 | todo[todo_end].name = name; | |
127 | todo[todo_end].identifier = id; | |
128 | todo[todo_end].done = 0; | |
129 | strbuf_reset(&todo[todo_end].out); | |
130 | todo_end = (todo_end + 1) % ARRAY_SIZE(todo); | |
131 | ||
132 | pthread_cond_signal(&cond_add); | |
133 | grep_unlock(); | |
134 | } | |
135 | ||
136 | static struct work_item *get_work(void) | |
137 | { | |
138 | struct work_item *ret; | |
139 | ||
140 | grep_lock(); | |
141 | while (todo_start == todo_end && !all_work_added) { | |
142 | pthread_cond_wait(&cond_add, &grep_mutex); | |
143 | } | |
144 | ||
145 | if (todo_start == todo_end && all_work_added) { | |
146 | ret = NULL; | |
147 | } else { | |
148 | ret = &todo[todo_start]; | |
149 | todo_start = (todo_start + 1) % ARRAY_SIZE(todo); | |
150 | } | |
151 | grep_unlock(); | |
152 | return ret; | |
153 | } | |
154 | ||
155 | static void grep_sha1_async(struct grep_opt *opt, char *name, | |
156 | const unsigned char *sha1) | |
157 | { | |
158 | unsigned char *s; | |
159 | s = xmalloc(20); | |
160 | memcpy(s, sha1, 20); | |
161 | add_work(WORK_SHA1, name, s); | |
162 | } | |
163 | ||
164 | static void grep_file_async(struct grep_opt *opt, char *name, | |
165 | const char *filename) | |
166 | { | |
167 | add_work(WORK_FILE, name, xstrdup(filename)); | |
168 | } | |
169 | ||
170 | static void work_done(struct work_item *w) | |
171 | { | |
172 | int old_done; | |
173 | ||
174 | grep_lock(); | |
175 | w->done = 1; | |
176 | old_done = todo_done; | |
177 | for(; todo[todo_done].done && todo_done != todo_start; | |
178 | todo_done = (todo_done+1) % ARRAY_SIZE(todo)) { | |
179 | w = &todo[todo_done]; | |
431d6e7b | 180 | if (w->out.len) { |
08303c36 RS |
181 | const char *p = w->out.buf; |
182 | size_t len = w->out.len; | |
183 | ||
184 | /* Skip the leading hunk mark of the first file. */ | |
185 | if (skip_first_line) { | |
186 | while (len) { | |
187 | len--; | |
188 | if (*p++ == '\n') | |
189 | break; | |
190 | } | |
191 | skip_first_line = 0; | |
192 | } | |
193 | ||
194 | write_or_die(1, p, len); | |
431d6e7b | 195 | } |
5b594f45 FK |
196 | free(w->name); |
197 | free(w->identifier); | |
198 | } | |
199 | ||
200 | if (old_done != todo_done) | |
201 | pthread_cond_signal(&cond_write); | |
202 | ||
203 | if (all_work_added && todo_done == todo_end) | |
204 | pthread_cond_signal(&cond_result); | |
205 | ||
206 | grep_unlock(); | |
207 | } | |
208 | ||
209 | static void *run(void *arg) | |
210 | { | |
211 | int hit = 0; | |
212 | struct grep_opt *opt = arg; | |
213 | ||
214 | while (1) { | |
215 | struct work_item *w = get_work(); | |
216 | if (!w) | |
217 | break; | |
218 | ||
219 | opt->output_priv = w; | |
220 | if (w->type == WORK_SHA1) { | |
221 | unsigned long sz; | |
222 | void* data = load_sha1(w->identifier, &sz, w->name); | |
223 | ||
224 | if (data) { | |
225 | hit |= grep_buffer(opt, w->name, data, sz); | |
226 | free(data); | |
227 | } | |
228 | } else if (w->type == WORK_FILE) { | |
229 | size_t sz; | |
230 | void* data = load_file(w->identifier, &sz); | |
231 | if (data) { | |
232 | hit |= grep_buffer(opt, w->name, data, sz); | |
233 | free(data); | |
234 | } | |
235 | } else { | |
236 | assert(0); | |
237 | } | |
238 | ||
239 | work_done(w); | |
240 | } | |
bfac23d9 DM |
241 | free_grep_patterns(arg); |
242 | free(arg); | |
5b594f45 FK |
243 | |
244 | return (void*) (intptr_t) hit; | |
245 | } | |
246 | ||
247 | static void strbuf_out(struct grep_opt *opt, const void *buf, size_t size) | |
248 | { | |
249 | struct work_item *w = opt->output_priv; | |
250 | strbuf_add(&w->out, buf, size); | |
251 | } | |
252 | ||
253 | static void start_threads(struct grep_opt *opt) | |
254 | { | |
255 | int i; | |
256 | ||
257 | pthread_mutex_init(&grep_mutex, NULL); | |
258 | pthread_mutex_init(&read_sha1_mutex, NULL); | |
259 | pthread_cond_init(&cond_add, NULL); | |
260 | pthread_cond_init(&cond_write, NULL); | |
261 | pthread_cond_init(&cond_result, NULL); | |
262 | ||
263 | for (i = 0; i < ARRAY_SIZE(todo); i++) { | |
264 | strbuf_init(&todo[i].out, 0); | |
265 | } | |
266 | ||
267 | for (i = 0; i < ARRAY_SIZE(threads); i++) { | |
268 | int err; | |
269 | struct grep_opt *o = grep_opt_dup(opt); | |
270 | o->output = strbuf_out; | |
271 | compile_grep_patterns(o); | |
272 | err = pthread_create(&threads[i], NULL, run, o); | |
273 | ||
274 | if (err) | |
2fc5f9f1 | 275 | die(_("grep: failed to create thread: %s"), |
5b594f45 FK |
276 | strerror(err)); |
277 | } | |
278 | } | |
279 | ||
280 | static int wait_all(void) | |
281 | { | |
282 | int hit = 0; | |
283 | int i; | |
284 | ||
285 | grep_lock(); | |
286 | all_work_added = 1; | |
287 | ||
288 | /* Wait until all work is done. */ | |
289 | while (todo_done != todo_end) | |
290 | pthread_cond_wait(&cond_result, &grep_mutex); | |
291 | ||
292 | /* Wake up all the consumer threads so they can see that there | |
293 | * is no more work to do. | |
294 | */ | |
295 | pthread_cond_broadcast(&cond_add); | |
296 | grep_unlock(); | |
297 | ||
298 | for (i = 0; i < ARRAY_SIZE(threads); i++) { | |
299 | void *h; | |
300 | pthread_join(threads[i], &h); | |
301 | hit |= (int) (intptr_t) h; | |
302 | } | |
303 | ||
304 | pthread_mutex_destroy(&grep_mutex); | |
305 | pthread_mutex_destroy(&read_sha1_mutex); | |
306 | pthread_cond_destroy(&cond_add); | |
307 | pthread_cond_destroy(&cond_write); | |
308 | pthread_cond_destroy(&cond_result); | |
309 | ||
310 | return hit; | |
311 | } | |
312 | #else /* !NO_PTHREADS */ | |
313 | #define read_sha1_lock() | |
314 | #define read_sha1_unlock() | |
315 | ||
316 | static int wait_all(void) | |
317 | { | |
318 | return 0; | |
319 | } | |
320 | #endif | |
321 | ||
7e8f59d5 RS |
322 | static int grep_config(const char *var, const char *value, void *cb) |
323 | { | |
324 | struct grep_opt *opt = cb; | |
55f638bd | 325 | char *color = NULL; |
7e8f59d5 | 326 | |
60ecac98 RS |
327 | switch (userdiff_config(var, value)) { |
328 | case 0: break; | |
329 | case -1: return -1; | |
330 | default: return 0; | |
331 | } | |
332 | ||
b22520a3 JR |
333 | if (!strcmp(var, "grep.extendedregexp")) { |
334 | if (git_config_bool(var, value)) | |
335 | opt->regflags |= REG_EXTENDED; | |
336 | else | |
337 | opt->regflags &= ~REG_EXTENDED; | |
338 | return 0; | |
339 | } | |
340 | ||
341 | if (!strcmp(var, "grep.linenumber")) { | |
342 | opt->linenum = git_config_bool(var, value); | |
343 | return 0; | |
344 | } | |
345 | ||
55f638bd | 346 | if (!strcmp(var, "color.grep")) |
e269eb79 | 347 | opt->color = git_config_colorbool(var, value); |
00588bb5 ML |
348 | else if (!strcmp(var, "color.grep.context")) |
349 | color = opt->color_context; | |
55f638bd ML |
350 | else if (!strcmp(var, "color.grep.filename")) |
351 | color = opt->color_filename; | |
00588bb5 ML |
352 | else if (!strcmp(var, "color.grep.function")) |
353 | color = opt->color_function; | |
55f638bd ML |
354 | else if (!strcmp(var, "color.grep.linenumber")) |
355 | color = opt->color_lineno; | |
356 | else if (!strcmp(var, "color.grep.match")) | |
357 | color = opt->color_match; | |
00588bb5 ML |
358 | else if (!strcmp(var, "color.grep.selected")) |
359 | color = opt->color_selected; | |
55f638bd ML |
360 | else if (!strcmp(var, "color.grep.separator")) |
361 | color = opt->color_sep; | |
362 | else | |
363 | return git_color_default_config(var, value, cb); | |
364 | if (color) { | |
7e8f59d5 RS |
365 | if (!value) |
366 | return config_error_nonbool(var); | |
55f638bd | 367 | color_parse(value, var, color); |
7e8f59d5 | 368 | } |
55f638bd | 369 | return 0; |
7e8f59d5 RS |
370 | } |
371 | ||
5f02d315 JH |
372 | static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size) |
373 | { | |
374 | void *data; | |
375 | ||
76416139 JH |
376 | read_sha1_lock(); |
377 | data = read_sha1_file(sha1, type, size); | |
378 | read_sha1_unlock(); | |
5f02d315 JH |
379 | return data; |
380 | } | |
381 | ||
5b594f45 FK |
382 | static void *load_sha1(const unsigned char *sha1, unsigned long *size, |
383 | const char *name) | |
5010cb5f | 384 | { |
21666f1a | 385 | enum object_type type; |
5f02d315 | 386 | void *data = lock_and_read_sha1_file(sha1, &type, size); |
5b594f45 FK |
387 | |
388 | if (!data) | |
2fc5f9f1 | 389 | error(_("'%s': unable to read %s"), name, sha1_to_hex(sha1)); |
5b594f45 FK |
390 | |
391 | return data; | |
392 | } | |
393 | ||
394 | static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1, | |
395 | const char *filename, int tree_name_len) | |
396 | { | |
397 | struct strbuf pathbuf = STRBUF_INIT; | |
398 | char *name; | |
399 | ||
0d042fec | 400 | if (opt->relative && opt->prefix_length) { |
5b594f45 FK |
401 | quote_path_relative(filename + tree_name_len, -1, &pathbuf, |
402 | opt->prefix); | |
403 | strbuf_insert(&pathbuf, 0, filename, tree_name_len); | |
404 | } else { | |
405 | strbuf_addstr(&pathbuf, filename); | |
406 | } | |
407 | ||
408 | name = strbuf_detach(&pathbuf, NULL); | |
409 | ||
410 | #ifndef NO_PTHREADS | |
411 | if (use_threads) { | |
412 | grep_sha1_async(opt, name, sha1); | |
413 | return 0; | |
414 | } else | |
415 | #endif | |
416 | { | |
417 | int hit; | |
418 | unsigned long sz; | |
419 | void *data = load_sha1(sha1, &sz, name); | |
420 | if (!data) | |
421 | hit = 0; | |
422 | else | |
423 | hit = grep_buffer(opt, name, data, sz); | |
424 | ||
425 | free(data); | |
426 | free(name); | |
427 | return hit; | |
0d042fec | 428 | } |
5010cb5f JH |
429 | } |
430 | ||
5b594f45 | 431 | static void *load_file(const char *filename, size_t *sz) |
5010cb5f JH |
432 | { |
433 | struct stat st; | |
5010cb5f | 434 | char *data; |
5b594f45 | 435 | int i; |
dc49cd76 | 436 | |
5010cb5f JH |
437 | if (lstat(filename, &st) < 0) { |
438 | err_ret: | |
439 | if (errno != ENOENT) | |
2fc5f9f1 | 440 | error(_("'%s': %s"), filename, strerror(errno)); |
1e4cd68c | 441 | return NULL; |
5010cb5f | 442 | } |
5010cb5f | 443 | if (!S_ISREG(st.st_mode)) |
1e4cd68c | 444 | return NULL; |
5b594f45 | 445 | *sz = xsize_t(st.st_size); |
5010cb5f JH |
446 | i = open(filename, O_RDONLY); |
447 | if (i < 0) | |
448 | goto err_ret; | |
5b594f45 FK |
449 | data = xmalloc(*sz + 1); |
450 | if (st.st_size != read_in_full(i, data, *sz)) { | |
2fc5f9f1 | 451 | error(_("'%s': short read %s"), filename, strerror(errno)); |
5010cb5f JH |
452 | close(i); |
453 | free(data); | |
1e4cd68c | 454 | return NULL; |
5010cb5f JH |
455 | } |
456 | close(i); | |
5b594f45 FK |
457 | data[*sz] = 0; |
458 | return data; | |
459 | } | |
460 | ||
461 | static int grep_file(struct grep_opt *opt, const char *filename) | |
462 | { | |
463 | struct strbuf buf = STRBUF_INIT; | |
464 | char *name; | |
465 | ||
0d042fec | 466 | if (opt->relative && opt->prefix_length) |
5b594f45 FK |
467 | quote_path_relative(filename, -1, &buf, opt->prefix); |
468 | else | |
469 | strbuf_addstr(&buf, filename); | |
470 | name = strbuf_detach(&buf, NULL); | |
471 | ||
472 | #ifndef NO_PTHREADS | |
473 | if (use_threads) { | |
474 | grep_file_async(opt, name, filename); | |
475 | return 0; | |
476 | } else | |
477 | #endif | |
478 | { | |
479 | int hit; | |
480 | size_t sz; | |
481 | void *data = load_file(filename, &sz); | |
482 | if (!data) | |
483 | hit = 0; | |
484 | else | |
485 | hit = grep_buffer(opt, name, data, sz); | |
486 | ||
487 | free(data); | |
488 | free(name); | |
489 | return hit; | |
490 | } | |
5010cb5f JH |
491 | } |
492 | ||
678e484b JS |
493 | static void append_path(struct grep_opt *opt, const void *data, size_t len) |
494 | { | |
495 | struct string_list *path_list = opt->output_priv; | |
496 | ||
497 | if (len == 1 && *(const char *)data == '\0') | |
498 | return; | |
0c72cead | 499 | string_list_append(path_list, xstrndup(data, len)); |
678e484b JS |
500 | } |
501 | ||
502 | static void run_pager(struct grep_opt *opt, const char *prefix) | |
503 | { | |
504 | struct string_list *path_list = opt->output_priv; | |
505 | const char **argv = xmalloc(sizeof(const char *) * (path_list->nr + 1)); | |
506 | int i, status; | |
507 | ||
508 | for (i = 0; i < path_list->nr; i++) | |
509 | argv[i] = path_list->items[i].string; | |
510 | argv[path_list->nr] = NULL; | |
511 | ||
512 | if (prefix && chdir(prefix)) | |
2fc5f9f1 | 513 | die(_("Failed to chdir: %s"), prefix); |
678e484b JS |
514 | status = run_command_v_opt(argv, RUN_USING_SHELL); |
515 | if (status) | |
516 | exit(status); | |
517 | free(argv); | |
518 | } | |
519 | ||
f34bbc15 | 520 | static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int cached) |
5010cb5f JH |
521 | { |
522 | int hit = 0; | |
523 | int nr; | |
524 | read_cache(); | |
525 | ||
526 | for (nr = 0; nr < active_nr; nr++) { | |
527 | struct cache_entry *ce = active_cache[nr]; | |
7a51ed66 | 528 | if (!S_ISREG(ce->ce_mode)) |
5010cb5f | 529 | continue; |
2ed2437a | 530 | if (!match_pathspec_depth(pathspec, ce->name, ce_namelen(ce), 0, NULL)) |
5010cb5f | 531 | continue; |
57d43466 NTND |
532 | /* |
533 | * If CE_VALID is on, we assume worktree file and its cache entry | |
534 | * are identical, even if worktree file has been modified, so use | |
535 | * cache version instead | |
536 | */ | |
b4d1690d | 537 | if (cached || (ce->ce_flags & CE_VALID) || ce_skip_worktree(ce)) { |
36f2587f JH |
538 | if (ce_stage(ce)) |
539 | continue; | |
0d042fec | 540 | hit |= grep_sha1(opt, ce->sha1, ce->name, 0); |
36f2587f | 541 | } |
5010cb5f JH |
542 | else |
543 | hit |= grep_file(opt, ce->name); | |
36f2587f JH |
544 | if (ce_stage(ce)) { |
545 | do { | |
546 | nr++; | |
547 | } while (nr < active_nr && | |
548 | !strcmp(ce->name, active_cache[nr]->name)); | |
549 | nr--; /* compensate for loop control */ | |
550 | } | |
c8610a2e JH |
551 | if (hit && opt->status_only) |
552 | break; | |
5010cb5f JH |
553 | } |
554 | return hit; | |
555 | } | |
556 | ||
f34bbc15 | 557 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, |
e5e062b6 | 558 | struct tree_desc *tree, struct strbuf *base, int tn_len) |
5010cb5f | 559 | { |
d688cf07 NTND |
560 | int hit = 0; |
561 | enum interesting match = entry_not_interesting; | |
4c068a98 | 562 | struct name_entry entry; |
e5e062b6 | 563 | int old_baselen = base->len; |
5010cb5f | 564 | |
4c068a98 | 565 | while (tree_entry(tree, &entry)) { |
0de16337 | 566 | int te_len = tree_entry_len(&entry); |
e5e062b6 | 567 | |
d688cf07 | 568 | if (match != all_entries_interesting) { |
97d0b74a | 569 | match = tree_entry_interesting(&entry, base, tn_len, pathspec); |
d688cf07 | 570 | if (match == all_entries_not_interesting) |
97d0b74a | 571 | break; |
d688cf07 | 572 | if (match == entry_not_interesting) |
1376e507 NTND |
573 | continue; |
574 | } | |
5010cb5f | 575 | |
1376e507 | 576 | strbuf_add(base, entry.path, te_len); |
e0eb889f | 577 | |
1376e507 | 578 | if (S_ISREG(entry.mode)) { |
e5e062b6 NTND |
579 | hit |= grep_sha1(opt, entry.sha1, base->buf, tn_len); |
580 | } | |
4c068a98 | 581 | else if (S_ISDIR(entry.mode)) { |
21666f1a | 582 | enum object_type type; |
5010cb5f JH |
583 | struct tree_desc sub; |
584 | void *data; | |
6fda5e51 LT |
585 | unsigned long size; |
586 | ||
5f02d315 | 587 | data = lock_and_read_sha1_file(entry.sha1, &type, &size); |
5010cb5f | 588 | if (!data) |
2fc5f9f1 | 589 | die(_("unable to read tree (%s)"), |
4c068a98 | 590 | sha1_to_hex(entry.sha1)); |
1376e507 NTND |
591 | |
592 | strbuf_addch(base, '/'); | |
6fda5e51 | 593 | init_tree_desc(&sub, data, size); |
e5e062b6 | 594 | hit |= grep_tree(opt, pathspec, &sub, base, tn_len); |
5010cb5f JH |
595 | free(data); |
596 | } | |
e5e062b6 NTND |
597 | strbuf_setlen(base, old_baselen); |
598 | ||
c8610a2e JH |
599 | if (hit && opt->status_only) |
600 | break; | |
5010cb5f JH |
601 | } |
602 | return hit; | |
603 | } | |
604 | ||
f34bbc15 | 605 | static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, |
5010cb5f JH |
606 | struct object *obj, const char *name) |
607 | { | |
1974632c | 608 | if (obj->type == OBJ_BLOB) |
0d042fec | 609 | return grep_sha1(opt, obj->sha1, name, 0); |
1974632c | 610 | if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { |
5010cb5f JH |
611 | struct tree_desc tree; |
612 | void *data; | |
6fda5e51 | 613 | unsigned long size; |
e5e062b6 NTND |
614 | struct strbuf base; |
615 | int hit, len; | |
616 | ||
8cb5775b | 617 | read_sha1_lock(); |
5010cb5f | 618 | data = read_object_with_reference(obj->sha1, tree_type, |
6fda5e51 | 619 | &size, NULL); |
8cb5775b NMC |
620 | read_sha1_unlock(); |
621 | ||
5010cb5f | 622 | if (!data) |
2fc5f9f1 | 623 | die(_("unable to read tree (%s)"), sha1_to_hex(obj->sha1)); |
e5e062b6 NTND |
624 | |
625 | len = name ? strlen(name) : 0; | |
626 | strbuf_init(&base, PATH_MAX + len + 1); | |
627 | if (len) { | |
628 | strbuf_add(&base, name, len); | |
629 | strbuf_addch(&base, ':'); | |
630 | } | |
6fda5e51 | 631 | init_tree_desc(&tree, data, size); |
e5e062b6 NTND |
632 | hit = grep_tree(opt, pathspec, &tree, &base, base.len); |
633 | strbuf_release(&base); | |
5010cb5f JH |
634 | free(data); |
635 | return hit; | |
636 | } | |
2fc5f9f1 | 637 | die(_("unable to grep from object of type %s"), typename(obj->type)); |
5010cb5f JH |
638 | } |
639 | ||
f34bbc15 | 640 | static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, |
30d00c39 JN |
641 | const struct object_array *list) |
642 | { | |
643 | unsigned int i; | |
644 | int hit = 0; | |
645 | const unsigned int nr = list->nr; | |
646 | ||
647 | for (i = 0; i < nr; i++) { | |
648 | struct object *real_obj; | |
649 | real_obj = deref_tag(list->objects[i].item, NULL, 0); | |
f34bbc15 | 650 | if (grep_object(opt, pathspec, real_obj, list->objects[i].name)) { |
30d00c39 JN |
651 | hit = 1; |
652 | if (opt->status_only) | |
653 | break; | |
654 | } | |
655 | } | |
656 | return hit; | |
657 | } | |
658 | ||
dbfae86a JH |
659 | static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, |
660 | int exc_std) | |
59332d13 JH |
661 | { |
662 | struct dir_struct dir; | |
663 | int i, hit = 0; | |
664 | ||
665 | memset(&dir, 0, sizeof(dir)); | |
0a93fb8a JH |
666 | if (exc_std) |
667 | setup_standard_excludes(&dir); | |
59332d13 | 668 | |
f34bbc15 | 669 | fill_directory(&dir, pathspec->raw); |
59332d13 | 670 | for (i = 0; i < dir.nr; i++) { |
9d8b831b JH |
671 | const char *name = dir.entries[i]->name; |
672 | int namelen = strlen(name); | |
673 | if (!match_pathspec_depth(pathspec, name, namelen, 0, NULL)) | |
674 | continue; | |
59332d13 JH |
675 | hit |= grep_file(opt, dir.entries[i]->name); |
676 | if (hit && opt->status_only) | |
677 | break; | |
678 | } | |
59332d13 JH |
679 | return hit; |
680 | } | |
681 | ||
ff3c7f9a RS |
682 | static int context_callback(const struct option *opt, const char *arg, |
683 | int unset) | |
3e230fa1 RS |
684 | { |
685 | struct grep_opt *grep_opt = opt->value; | |
686 | int value; | |
687 | const char *endp; | |
688 | ||
689 | if (unset) { | |
690 | grep_opt->pre_context = grep_opt->post_context = 0; | |
691 | return 0; | |
692 | } | |
693 | value = strtol(arg, (char **)&endp, 10); | |
694 | if (*endp) { | |
2fc5f9f1 | 695 | return error(_("switch `%c' expects a numerical value"), |
3e230fa1 RS |
696 | opt->short_name); |
697 | } | |
698 | grep_opt->pre_context = grep_opt->post_context = value; | |
699 | return 0; | |
700 | } | |
701 | ||
ff3c7f9a | 702 | static int file_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
703 | { |
704 | struct grep_opt *grep_opt = opt->value; | |
c41dd2fd | 705 | int from_stdin = !strcmp(arg, "-"); |
3e230fa1 RS |
706 | FILE *patterns; |
707 | int lno = 0; | |
cfe370c6 | 708 | struct strbuf sb = STRBUF_INIT; |
3e230fa1 | 709 | |
c41dd2fd | 710 | patterns = from_stdin ? stdin : fopen(arg, "r"); |
3e230fa1 | 711 | if (!patterns) |
2fc5f9f1 | 712 | die_errno(_("cannot open '%s'"), arg); |
3e230fa1 | 713 | while (strbuf_getline(&sb, patterns, '\n') == 0) { |
ed40a095 RS |
714 | char *s; |
715 | size_t len; | |
716 | ||
3e230fa1 RS |
717 | /* ignore empty line like grep does */ |
718 | if (sb.len == 0) | |
719 | continue; | |
ed40a095 RS |
720 | |
721 | s = strbuf_detach(&sb, &len); | |
722 | append_grep_pat(grep_opt, s, len, arg, ++lno, GREP_PATTERN); | |
3e230fa1 | 723 | } |
c41dd2fd RS |
724 | if (!from_stdin) |
725 | fclose(patterns); | |
3e230fa1 RS |
726 | strbuf_release(&sb); |
727 | return 0; | |
728 | } | |
729 | ||
ff3c7f9a | 730 | static int not_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
731 | { |
732 | struct grep_opt *grep_opt = opt->value; | |
733 | append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); | |
734 | return 0; | |
735 | } | |
736 | ||
ff3c7f9a | 737 | static int and_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
738 | { |
739 | struct grep_opt *grep_opt = opt->value; | |
740 | append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); | |
741 | return 0; | |
742 | } | |
743 | ||
ff3c7f9a | 744 | static int open_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
745 | { |
746 | struct grep_opt *grep_opt = opt->value; | |
747 | append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); | |
748 | return 0; | |
749 | } | |
750 | ||
ff3c7f9a | 751 | static int close_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
752 | { |
753 | struct grep_opt *grep_opt = opt->value; | |
754 | append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); | |
755 | return 0; | |
756 | } | |
757 | ||
ff3c7f9a RS |
758 | static int pattern_callback(const struct option *opt, const char *arg, |
759 | int unset) | |
3e230fa1 RS |
760 | { |
761 | struct grep_opt *grep_opt = opt->value; | |
762 | append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); | |
763 | return 0; | |
764 | } | |
5010cb5f | 765 | |
ff3c7f9a | 766 | static int help_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
767 | { |
768 | return -1; | |
769 | } | |
088b084b | 770 | |
a633fca0 | 771 | int cmd_grep(int argc, const char **argv, const char *prefix) |
5010cb5f | 772 | { |
5010cb5f | 773 | int hit = 0; |
0a93fb8a | 774 | int cached = 0, untracked = 0, opt_exclude = -1; |
5acd64ed | 775 | int seen_dashdash = 0; |
bbc09c22 | 776 | int external_grep_allowed__ignored; |
0af88c15 | 777 | const char *show_in_pager = NULL, *default_pager = "dummy"; |
5010cb5f | 778 | struct grep_opt opt; |
3cd47459 | 779 | struct object_array list = OBJECT_ARRAY_INIT; |
1362671f | 780 | const char **paths = NULL; |
f34bbc15 | 781 | struct pathspec pathspec; |
183113a5 | 782 | struct string_list path_list = STRING_LIST_INIT_NODUP; |
5acd64ed | 783 | int i; |
3e230fa1 | 784 | int dummy; |
ff38d1a9 | 785 | int use_index = 1; |
cca2c172 JH |
786 | enum { |
787 | pattern_type_unspecified = 0, | |
788 | pattern_type_bre, | |
789 | pattern_type_ere, | |
790 | pattern_type_fixed, | |
791 | pattern_type_pcre, | |
792 | }; | |
793 | int pattern_type = pattern_type_unspecified; | |
794 | ||
3e230fa1 RS |
795 | struct option options[] = { |
796 | OPT_BOOLEAN(0, "cached", &cached, | |
797 | "search in index instead of in the work tree"), | |
ac1d33dd BW |
798 | { OPTION_BOOLEAN, 0, "index", &use_index, NULL, |
799 | "finds in contents not managed by git", | |
800 | PARSE_OPT_NOARG | PARSE_OPT_NEGHELP }, | |
0a93fb8a JH |
801 | OPT_BOOLEAN(0, "untracked", &untracked, |
802 | "search in both tracked and untracked files"), | |
803 | OPT_SET_INT(0, "exclude-standard", &opt_exclude, | |
804 | "search also in ignored files", 1), | |
3e230fa1 RS |
805 | OPT_GROUP(""), |
806 | OPT_BOOLEAN('v', "invert-match", &opt.invert, | |
807 | "show non-matching lines"), | |
5183bf67 BC |
808 | OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case, |
809 | "case insensitive matching"), | |
3e230fa1 RS |
810 | OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp, |
811 | "match patterns only at word boundaries"), | |
812 | OPT_SET_INT('a', "text", &opt.binary, | |
813 | "process binary files as text", GREP_BINARY_TEXT), | |
814 | OPT_SET_INT('I', NULL, &opt.binary, | |
815 | "don't match patterns in binary files", | |
816 | GREP_BINARY_NOMATCH), | |
a91f453f MK |
817 | { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, "depth", |
818 | "descend at most <depth> levels", PARSE_OPT_NONEG, | |
819 | NULL, 1 }, | |
3e230fa1 | 820 | OPT_GROUP(""), |
cca2c172 JH |
821 | OPT_SET_INT('E', "extended-regexp", &pattern_type, |
822 | "use extended POSIX regular expressions", | |
823 | pattern_type_ere), | |
824 | OPT_SET_INT('G', "basic-regexp", &pattern_type, | |
825 | "use basic POSIX regular expressions (default)", | |
826 | pattern_type_bre), | |
827 | OPT_SET_INT('F', "fixed-strings", &pattern_type, | |
828 | "interpret patterns as fixed strings", | |
829 | pattern_type_fixed), | |
830 | OPT_SET_INT('P', "perl-regexp", &pattern_type, | |
831 | "use Perl-compatible regular expressions", | |
832 | pattern_type_pcre), | |
3e230fa1 | 833 | OPT_GROUP(""), |
7d6cb10b | 834 | OPT_BOOLEAN('n', "line-number", &opt.linenum, "show line numbers"), |
3e230fa1 RS |
835 | OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1), |
836 | OPT_BIT('H', NULL, &opt.pathname, "show filenames", 1), | |
837 | OPT_NEGBIT(0, "full-name", &opt.relative, | |
838 | "show filenames relative to top directory", 1), | |
839 | OPT_BOOLEAN('l', "files-with-matches", &opt.name_only, | |
840 | "show only filenames instead of matching lines"), | |
841 | OPT_BOOLEAN(0, "name-only", &opt.name_only, | |
842 | "synonym for --files-with-matches"), | |
843 | OPT_BOOLEAN('L', "files-without-match", | |
844 | &opt.unmatch_name_only, | |
845 | "show only the names of files without match"), | |
846 | OPT_BOOLEAN('z', "null", &opt.null_following_name, | |
847 | "print NUL after filenames"), | |
848 | OPT_BOOLEAN('c', "count", &opt.count, | |
849 | "show the number of matches instead of matching lines"), | |
73e9da01 | 850 | OPT__COLOR(&opt.color, "highlight matches"), |
a8f0e764 RS |
851 | OPT_BOOLEAN(0, "break", &opt.file_break, |
852 | "print empty line between matches from different files"), | |
1d84f72e RS |
853 | OPT_BOOLEAN(0, "heading", &opt.heading, |
854 | "show filename only once above matches from same file"), | |
3e230fa1 | 855 | OPT_GROUP(""), |
317f63c2 | 856 | OPT_CALLBACK('C', "context", &opt, "n", |
3e230fa1 RS |
857 | "show <n> context lines before and after matches", |
858 | context_callback), | |
317f63c2 | 859 | OPT_INTEGER('B', "before-context", &opt.pre_context, |
3e230fa1 | 860 | "show <n> context lines before matches"), |
317f63c2 | 861 | OPT_INTEGER('A', "after-context", &opt.post_context, |
3e230fa1 RS |
862 | "show <n> context lines after matches"), |
863 | OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM", | |
864 | context_callback), | |
2944e4e6 RS |
865 | OPT_BOOLEAN('p', "show-function", &opt.funcname, |
866 | "show a line with the function name before matches"), | |
317f63c2 | 867 | OPT_BOOLEAN('W', "function-context", &opt.funcbody, |
ba8ea749 | 868 | "show the surrounding function"), |
3e230fa1 RS |
869 | OPT_GROUP(""), |
870 | OPT_CALLBACK('f', NULL, &opt, "file", | |
871 | "read patterns from file", file_callback), | |
872 | { OPTION_CALLBACK, 'e', NULL, &opt, "pattern", | |
873 | "match <pattern>", PARSE_OPT_NONEG, pattern_callback }, | |
874 | { OPTION_CALLBACK, 0, "and", &opt, NULL, | |
875 | "combine patterns specified with -e", | |
876 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback }, | |
877 | OPT_BOOLEAN(0, "or", &dummy, ""), | |
878 | { OPTION_CALLBACK, 0, "not", &opt, NULL, "", | |
879 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback }, | |
880 | { OPTION_CALLBACK, '(', NULL, &opt, NULL, "", | |
881 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
882 | open_callback }, | |
883 | { OPTION_CALLBACK, ')', NULL, &opt, NULL, "", | |
884 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
885 | close_callback }, | |
d52ee6e6 RS |
886 | OPT__QUIET(&opt.status_only, |
887 | "indicate hit with exit status without output"), | |
3e230fa1 RS |
888 | OPT_BOOLEAN(0, "all-match", &opt.all_match, |
889 | "show only matches from files that match all patterns"), | |
890 | OPT_GROUP(""), | |
0af88c15 JS |
891 | { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, |
892 | "pager", "show matching files in the pager", | |
893 | PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager }, | |
bbc09c22 JH |
894 | OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored, |
895 | "allow calling of grep(1) (ignored by this build)"), | |
3e230fa1 RS |
896 | { OPTION_CALLBACK, 0, "help-all", &options, NULL, "show usage", |
897 | PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback }, | |
898 | OPT_END() | |
899 | }; | |
5010cb5f | 900 | |
9c855c31 JN |
901 | /* |
902 | * 'git grep -h', unlike 'git grep -h <pattern>', is a request | |
903 | * to show usage information and exit. | |
904 | */ | |
905 | if (argc == 2 && !strcmp(argv[1], "-h")) | |
906 | usage_with_options(grep_usage, options); | |
907 | ||
5010cb5f | 908 | memset(&opt, 0, sizeof(opt)); |
493b7a08 | 909 | opt.prefix = prefix; |
0d042fec JH |
910 | opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0; |
911 | opt.relative = 1; | |
7977f0ea | 912 | opt.pathname = 1; |
f9b9faf6 | 913 | opt.pattern_tail = &opt.pattern_list; |
80235ba7 | 914 | opt.header_tail = &opt.header_list; |
5010cb5f | 915 | opt.regflags = REG_NEWLINE; |
a91f453f | 916 | opt.max_depth = -1; |
5010cb5f | 917 | |
00588bb5 | 918 | strcpy(opt.color_context, ""); |
55f638bd | 919 | strcpy(opt.color_filename, ""); |
00588bb5 | 920 | strcpy(opt.color_function, ""); |
55f638bd | 921 | strcpy(opt.color_lineno, ""); |
758df17a | 922 | strcpy(opt.color_match, GIT_COLOR_BOLD_RED); |
00588bb5 | 923 | strcpy(opt.color_selected, ""); |
55f638bd | 924 | strcpy(opt.color_sep, GIT_COLOR_CYAN); |
7e8f59d5 RS |
925 | opt.color = -1; |
926 | git_config(grep_config, &opt); | |
7e8f59d5 | 927 | |
5010cb5f | 928 | /* |
5acd64ed JH |
929 | * If there is no -- then the paths must exist in the working |
930 | * tree. If there is no explicit pattern specified with -e or | |
931 | * -f, we take the first unrecognized non option to be the | |
932 | * pattern, but then what follows it must be zero or more | |
933 | * valid refs up to the -- (if exists), and then existing | |
934 | * paths. If there is an explicit pattern, then the first | |
82e5a82f | 935 | * unrecognized non option is the beginning of the refs list |
5acd64ed | 936 | * that continues up to the -- (if exists), and then paths. |
5010cb5f | 937 | */ |
37782920 | 938 | argc = parse_options(argc, argv, prefix, options, grep_usage, |
3e230fa1 RS |
939 | PARSE_OPT_KEEP_DASHDASH | |
940 | PARSE_OPT_STOP_AT_NON_OPTION | | |
941 | PARSE_OPT_NO_INTERNAL_HELP); | |
cca2c172 JH |
942 | switch (pattern_type) { |
943 | case pattern_type_fixed: | |
944 | opt.fixed = 1; | |
945 | opt.pcre = 0; | |
946 | break; | |
947 | case pattern_type_bre: | |
948 | opt.fixed = 0; | |
949 | opt.pcre = 0; | |
950 | opt.regflags &= ~REG_EXTENDED; | |
951 | break; | |
952 | case pattern_type_ere: | |
953 | opt.fixed = 0; | |
954 | opt.pcre = 0; | |
955 | opt.regflags |= REG_EXTENDED; | |
956 | break; | |
957 | case pattern_type_pcre: | |
958 | opt.fixed = 0; | |
959 | opt.pcre = 1; | |
960 | break; | |
961 | default: | |
962 | break; /* nothing */ | |
963 | } | |
3e230fa1 | 964 | |
ff38d1a9 | 965 | if (use_index && !startup_info->have_repository) |
59332d13 JH |
966 | /* die the same way as if we did it at the beginning */ |
967 | setup_git_directory(); | |
968 | ||
1123c67c JK |
969 | /* |
970 | * skip a -- separator; we know it cannot be | |
971 | * separating revisions from pathnames if | |
972 | * we haven't even had any patterns yet | |
973 | */ | |
974 | if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) { | |
975 | argv++; | |
976 | argc--; | |
977 | } | |
978 | ||
3e230fa1 RS |
979 | /* First unrecognized non-option token */ |
980 | if (argc > 0 && !opt.pattern_list) { | |
981 | append_grep_pattern(&opt, argv[0], "command line", 0, | |
982 | GREP_PATTERN); | |
983 | argv++; | |
984 | argc--; | |
5010cb5f | 985 | } |
5acd64ed | 986 | |
0af88c15 JS |
987 | if (show_in_pager == default_pager) |
988 | show_in_pager = git_pager(1); | |
678e484b | 989 | if (show_in_pager) { |
e7b082a4 | 990 | opt.color = 0; |
0af88c15 JS |
991 | opt.name_only = 1; |
992 | opt.null_following_name = 1; | |
993 | opt.output_priv = &path_list; | |
994 | opt.output = append_path; | |
0c72cead | 995 | string_list_append(&path_list, show_in_pager); |
0af88c15 | 996 | use_threads = 0; |
678e484b JS |
997 | } |
998 | ||
f9b9faf6 | 999 | if (!opt.pattern_list) |
2fc5f9f1 | 1000 | die(_("no pattern given.")); |
5183bf67 BC |
1001 | if (!opt.fixed && opt.ignore_case) |
1002 | opt.regflags |= REG_ICASE; | |
5b594f45 FK |
1003 | |
1004 | #ifndef NO_PTHREADS | |
1005 | if (online_cpus() == 1 || !grep_threads_ok(&opt)) | |
1006 | use_threads = 0; | |
1007 | ||
431d6e7b | 1008 | if (use_threads) { |
ba8ea749 RS |
1009 | if (opt.pre_context || opt.post_context || opt.file_break || |
1010 | opt.funcbody) | |
08303c36 | 1011 | skip_first_line = 1; |
5b594f45 | 1012 | start_threads(&opt); |
431d6e7b | 1013 | } |
5b594f45 FK |
1014 | #else |
1015 | use_threads = 0; | |
1016 | #endif | |
1017 | ||
83b5d2f5 | 1018 | compile_grep_patterns(&opt); |
5acd64ed JH |
1019 | |
1020 | /* Check revs and then paths */ | |
3e230fa1 | 1021 | for (i = 0; i < argc; i++) { |
5acd64ed | 1022 | const char *arg = argv[i]; |
1362671f | 1023 | unsigned char sha1[20]; |
5acd64ed JH |
1024 | /* Is it a rev? */ |
1025 | if (!get_sha1(arg, sha1)) { | |
1026 | struct object *object = parse_object(sha1); | |
5acd64ed | 1027 | if (!object) |
2fc5f9f1 | 1028 | die(_("bad object %s"), arg); |
1f1e895f | 1029 | add_object_array(object, arg, &list); |
5acd64ed JH |
1030 | continue; |
1031 | } | |
1032 | if (!strcmp(arg, "--")) { | |
1033 | i++; | |
1034 | seen_dashdash = 1; | |
1035 | } | |
1036 | break; | |
1362671f | 1037 | } |
5acd64ed JH |
1038 | |
1039 | /* The rest are paths */ | |
1040 | if (!seen_dashdash) { | |
1041 | int j; | |
c39c4f47 | 1042 | for (j = i; j < argc; j++) |
5acd64ed JH |
1043 | verify_filename(prefix, argv[j]); |
1044 | } | |
1045 | ||
7c5f3cc4 | 1046 | paths = get_pathspec(prefix, argv + i); |
f34bbc15 | 1047 | init_pathspec(&pathspec, paths); |
1376e507 NTND |
1048 | pathspec.max_depth = opt.max_depth; |
1049 | pathspec.recursive = 1; | |
5010cb5f | 1050 | |
678e484b | 1051 | if (show_in_pager && (cached || list.nr)) |
e4fe4ba5 | 1052 | die(_("--open-files-in-pager only works on the worktree")); |
678e484b JS |
1053 | |
1054 | if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) { | |
1055 | const char *pager = path_list.items[0].string; | |
1056 | int len = strlen(pager); | |
1057 | ||
1058 | if (len > 4 && is_dir_sep(pager[len - 5])) | |
1059 | pager += len - 4; | |
1060 | ||
1061 | if (!strcmp("less", pager) || !strcmp("vi", pager)) { | |
1062 | struct strbuf buf = STRBUF_INIT; | |
1063 | strbuf_addf(&buf, "+/%s%s", | |
1064 | strcmp("less", pager) ? "" : "*", | |
1065 | opt.pattern_list->pattern); | |
0c72cead | 1066 | string_list_append(&path_list, buf.buf); |
678e484b JS |
1067 | strbuf_detach(&buf, NULL); |
1068 | } | |
1069 | } | |
1070 | ||
1071 | if (!show_in_pager) | |
1072 | setup_pager(); | |
1073 | ||
0a93fb8a | 1074 | if (!use_index && (untracked || cached)) |
dbfae86a | 1075 | die(_("--cached or --untracked cannot be used with --no-index.")); |
678e484b | 1076 | |
0a93fb8a | 1077 | if (!use_index || untracked) { |
0a93fb8a | 1078 | int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; |
59332d13 | 1079 | if (list.nr) |
dbfae86a JH |
1080 | die(_("--no-index or --untracked cannot be used with revs.")); |
1081 | hit = grep_directory(&opt, &pathspec, use_exclude); | |
1082 | } else if (0 <= opt_exclude) { | |
9fddaf78 | 1083 | die(_("--[no-]exclude-standard cannot be used for tracked contents.")); |
685359cf | 1084 | } else if (!list.nr) { |
6577f542 NTND |
1085 | if (!cached) |
1086 | setup_work_tree(); | |
5b594f45 | 1087 | |
f34bbc15 | 1088 | hit = grep_cache(&opt, &pathspec, cached); |
685359cf JS |
1089 | } else { |
1090 | if (cached) | |
2fc5f9f1 | 1091 | die(_("both --cached and trees are given.")); |
f34bbc15 | 1092 | hit = grep_objects(&opt, &pathspec, &list); |
5010cb5f | 1093 | } |
5b594f45 FK |
1094 | |
1095 | if (use_threads) | |
1096 | hit |= wait_all(); | |
678e484b JS |
1097 | if (hit && show_in_pager) |
1098 | run_pager(&opt, prefix); | |
b48fb5b6 | 1099 | free_grep_patterns(&opt); |
5010cb5f JH |
1100 | return !hit; |
1101 | } |