]>
Commit | Line | Data |
---|---|---|
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 | ||
77 | /* Used to serialize calls to read_sha1_file. */ | |
78 | static pthread_mutex_t read_sha1_mutex; | |
79 | ||
80 | #define grep_lock() pthread_mutex_lock(&grep_mutex) | |
81 | #define grep_unlock() pthread_mutex_unlock(&grep_mutex) | |
82 | #define read_sha1_lock() pthread_mutex_lock(&read_sha1_mutex) | |
83 | #define read_sha1_unlock() pthread_mutex_unlock(&read_sha1_mutex) | |
84 | ||
85 | /* Signalled when a new work_item is added to todo. */ | |
86 | static pthread_cond_t cond_add; | |
87 | ||
88 | /* Signalled when the result from one work_item is written to | |
89 | * stdout. | |
90 | */ | |
91 | static pthread_cond_t cond_write; | |
92 | ||
93 | /* Signalled when we are finished with everything. */ | |
94 | static pthread_cond_t cond_result; | |
95 | ||
08303c36 | 96 | static int skip_first_line; |
431d6e7b | 97 | |
5b594f45 FK |
98 | static void add_work(enum work_type type, char *name, void *id) |
99 | { | |
100 | grep_lock(); | |
101 | ||
102 | while ((todo_end+1) % ARRAY_SIZE(todo) == todo_done) { | |
103 | pthread_cond_wait(&cond_write, &grep_mutex); | |
104 | } | |
105 | ||
106 | todo[todo_end].type = type; | |
107 | todo[todo_end].name = name; | |
108 | todo[todo_end].identifier = id; | |
109 | todo[todo_end].done = 0; | |
110 | strbuf_reset(&todo[todo_end].out); | |
111 | todo_end = (todo_end + 1) % ARRAY_SIZE(todo); | |
112 | ||
113 | pthread_cond_signal(&cond_add); | |
114 | grep_unlock(); | |
115 | } | |
116 | ||
117 | static struct work_item *get_work(void) | |
118 | { | |
119 | struct work_item *ret; | |
120 | ||
121 | grep_lock(); | |
122 | while (todo_start == todo_end && !all_work_added) { | |
123 | pthread_cond_wait(&cond_add, &grep_mutex); | |
124 | } | |
125 | ||
126 | if (todo_start == todo_end && all_work_added) { | |
127 | ret = NULL; | |
128 | } else { | |
129 | ret = &todo[todo_start]; | |
130 | todo_start = (todo_start + 1) % ARRAY_SIZE(todo); | |
131 | } | |
132 | grep_unlock(); | |
133 | return ret; | |
134 | } | |
135 | ||
136 | static void grep_sha1_async(struct grep_opt *opt, char *name, | |
137 | const unsigned char *sha1) | |
138 | { | |
139 | unsigned char *s; | |
140 | s = xmalloc(20); | |
141 | memcpy(s, sha1, 20); | |
142 | add_work(WORK_SHA1, name, s); | |
143 | } | |
144 | ||
145 | static void grep_file_async(struct grep_opt *opt, char *name, | |
146 | const char *filename) | |
147 | { | |
148 | add_work(WORK_FILE, name, xstrdup(filename)); | |
149 | } | |
150 | ||
151 | static void work_done(struct work_item *w) | |
152 | { | |
153 | int old_done; | |
154 | ||
155 | grep_lock(); | |
156 | w->done = 1; | |
157 | old_done = todo_done; | |
158 | for(; todo[todo_done].done && todo_done != todo_start; | |
159 | todo_done = (todo_done+1) % ARRAY_SIZE(todo)) { | |
160 | w = &todo[todo_done]; | |
431d6e7b | 161 | if (w->out.len) { |
08303c36 RS |
162 | const char *p = w->out.buf; |
163 | size_t len = w->out.len; | |
164 | ||
165 | /* Skip the leading hunk mark of the first file. */ | |
166 | if (skip_first_line) { | |
167 | while (len) { | |
168 | len--; | |
169 | if (*p++ == '\n') | |
170 | break; | |
171 | } | |
172 | skip_first_line = 0; | |
173 | } | |
174 | ||
175 | write_or_die(1, p, len); | |
431d6e7b | 176 | } |
5b594f45 FK |
177 | free(w->name); |
178 | free(w->identifier); | |
179 | } | |
180 | ||
181 | if (old_done != todo_done) | |
182 | pthread_cond_signal(&cond_write); | |
183 | ||
184 | if (all_work_added && todo_done == todo_end) | |
185 | pthread_cond_signal(&cond_result); | |
186 | ||
187 | grep_unlock(); | |
188 | } | |
189 | ||
190 | static void *run(void *arg) | |
191 | { | |
192 | int hit = 0; | |
193 | struct grep_opt *opt = arg; | |
194 | ||
195 | while (1) { | |
196 | struct work_item *w = get_work(); | |
197 | if (!w) | |
198 | break; | |
199 | ||
200 | opt->output_priv = w; | |
201 | if (w->type == WORK_SHA1) { | |
202 | unsigned long sz; | |
203 | void* data = load_sha1(w->identifier, &sz, w->name); | |
204 | ||
205 | if (data) { | |
206 | hit |= grep_buffer(opt, w->name, data, sz); | |
207 | free(data); | |
208 | } | |
209 | } else if (w->type == WORK_FILE) { | |
210 | size_t sz; | |
211 | void* data = load_file(w->identifier, &sz); | |
212 | if (data) { | |
213 | hit |= grep_buffer(opt, w->name, data, sz); | |
214 | free(data); | |
215 | } | |
216 | } else { | |
217 | assert(0); | |
218 | } | |
219 | ||
220 | work_done(w); | |
221 | } | |
bfac23d9 DM |
222 | free_grep_patterns(arg); |
223 | free(arg); | |
5b594f45 FK |
224 | |
225 | return (void*) (intptr_t) hit; | |
226 | } | |
227 | ||
228 | static void strbuf_out(struct grep_opt *opt, const void *buf, size_t size) | |
229 | { | |
230 | struct work_item *w = opt->output_priv; | |
231 | strbuf_add(&w->out, buf, size); | |
232 | } | |
233 | ||
234 | static void start_threads(struct grep_opt *opt) | |
235 | { | |
236 | int i; | |
237 | ||
238 | pthread_mutex_init(&grep_mutex, NULL); | |
239 | pthread_mutex_init(&read_sha1_mutex, NULL); | |
240 | pthread_cond_init(&cond_add, NULL); | |
241 | pthread_cond_init(&cond_write, NULL); | |
242 | pthread_cond_init(&cond_result, NULL); | |
243 | ||
244 | for (i = 0; i < ARRAY_SIZE(todo); i++) { | |
245 | strbuf_init(&todo[i].out, 0); | |
246 | } | |
247 | ||
248 | for (i = 0; i < ARRAY_SIZE(threads); i++) { | |
249 | int err; | |
250 | struct grep_opt *o = grep_opt_dup(opt); | |
251 | o->output = strbuf_out; | |
252 | compile_grep_patterns(o); | |
253 | err = pthread_create(&threads[i], NULL, run, o); | |
254 | ||
255 | if (err) | |
2fc5f9f1 | 256 | die(_("grep: failed to create thread: %s"), |
5b594f45 FK |
257 | strerror(err)); |
258 | } | |
259 | } | |
260 | ||
261 | static int wait_all(void) | |
262 | { | |
263 | int hit = 0; | |
264 | int i; | |
265 | ||
266 | grep_lock(); | |
267 | all_work_added = 1; | |
268 | ||
269 | /* Wait until all work is done. */ | |
270 | while (todo_done != todo_end) | |
271 | pthread_cond_wait(&cond_result, &grep_mutex); | |
272 | ||
273 | /* Wake up all the consumer threads so they can see that there | |
274 | * is no more work to do. | |
275 | */ | |
276 | pthread_cond_broadcast(&cond_add); | |
277 | grep_unlock(); | |
278 | ||
279 | for (i = 0; i < ARRAY_SIZE(threads); i++) { | |
280 | void *h; | |
281 | pthread_join(threads[i], &h); | |
282 | hit |= (int) (intptr_t) h; | |
283 | } | |
284 | ||
285 | pthread_mutex_destroy(&grep_mutex); | |
286 | pthread_mutex_destroy(&read_sha1_mutex); | |
287 | pthread_cond_destroy(&cond_add); | |
288 | pthread_cond_destroy(&cond_write); | |
289 | pthread_cond_destroy(&cond_result); | |
290 | ||
291 | return hit; | |
292 | } | |
293 | #else /* !NO_PTHREADS */ | |
294 | #define read_sha1_lock() | |
295 | #define read_sha1_unlock() | |
296 | ||
297 | static int wait_all(void) | |
298 | { | |
299 | return 0; | |
300 | } | |
301 | #endif | |
302 | ||
7e8f59d5 RS |
303 | static int grep_config(const char *var, const char *value, void *cb) |
304 | { | |
305 | struct grep_opt *opt = cb; | |
55f638bd | 306 | char *color = NULL; |
7e8f59d5 | 307 | |
60ecac98 RS |
308 | switch (userdiff_config(var, value)) { |
309 | case 0: break; | |
310 | case -1: return -1; | |
311 | default: return 0; | |
312 | } | |
313 | ||
b22520a3 JR |
314 | if (!strcmp(var, "grep.extendedregexp")) { |
315 | if (git_config_bool(var, value)) | |
316 | opt->regflags |= REG_EXTENDED; | |
317 | else | |
318 | opt->regflags &= ~REG_EXTENDED; | |
319 | return 0; | |
320 | } | |
321 | ||
322 | if (!strcmp(var, "grep.linenumber")) { | |
323 | opt->linenum = git_config_bool(var, value); | |
324 | return 0; | |
325 | } | |
326 | ||
55f638bd | 327 | if (!strcmp(var, "color.grep")) |
e269eb79 | 328 | opt->color = git_config_colorbool(var, value); |
00588bb5 ML |
329 | else if (!strcmp(var, "color.grep.context")) |
330 | color = opt->color_context; | |
55f638bd ML |
331 | else if (!strcmp(var, "color.grep.filename")) |
332 | color = opt->color_filename; | |
00588bb5 ML |
333 | else if (!strcmp(var, "color.grep.function")) |
334 | color = opt->color_function; | |
55f638bd ML |
335 | else if (!strcmp(var, "color.grep.linenumber")) |
336 | color = opt->color_lineno; | |
337 | else if (!strcmp(var, "color.grep.match")) | |
338 | color = opt->color_match; | |
00588bb5 ML |
339 | else if (!strcmp(var, "color.grep.selected")) |
340 | color = opt->color_selected; | |
55f638bd ML |
341 | else if (!strcmp(var, "color.grep.separator")) |
342 | color = opt->color_sep; | |
343 | else | |
344 | return git_color_default_config(var, value, cb); | |
345 | if (color) { | |
7e8f59d5 RS |
346 | if (!value) |
347 | return config_error_nonbool(var); | |
55f638bd | 348 | color_parse(value, var, color); |
7e8f59d5 | 349 | } |
55f638bd | 350 | return 0; |
7e8f59d5 RS |
351 | } |
352 | ||
5f02d315 JH |
353 | static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size) |
354 | { | |
355 | void *data; | |
356 | ||
357 | if (use_threads) { | |
358 | read_sha1_lock(); | |
359 | data = read_sha1_file(sha1, type, size); | |
360 | read_sha1_unlock(); | |
361 | } else { | |
362 | data = read_sha1_file(sha1, type, size); | |
363 | } | |
364 | return data; | |
365 | } | |
366 | ||
5b594f45 FK |
367 | static void *load_sha1(const unsigned char *sha1, unsigned long *size, |
368 | const char *name) | |
5010cb5f | 369 | { |
21666f1a | 370 | enum object_type type; |
5f02d315 | 371 | void *data = lock_and_read_sha1_file(sha1, &type, size); |
5b594f45 FK |
372 | |
373 | if (!data) | |
2fc5f9f1 | 374 | error(_("'%s': unable to read %s"), name, sha1_to_hex(sha1)); |
5b594f45 FK |
375 | |
376 | return data; | |
377 | } | |
378 | ||
379 | static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1, | |
380 | const char *filename, int tree_name_len) | |
381 | { | |
382 | struct strbuf pathbuf = STRBUF_INIT; | |
383 | char *name; | |
384 | ||
0d042fec | 385 | if (opt->relative && opt->prefix_length) { |
5b594f45 FK |
386 | quote_path_relative(filename + tree_name_len, -1, &pathbuf, |
387 | opt->prefix); | |
388 | strbuf_insert(&pathbuf, 0, filename, tree_name_len); | |
389 | } else { | |
390 | strbuf_addstr(&pathbuf, filename); | |
391 | } | |
392 | ||
393 | name = strbuf_detach(&pathbuf, NULL); | |
394 | ||
395 | #ifndef NO_PTHREADS | |
396 | if (use_threads) { | |
397 | grep_sha1_async(opt, name, sha1); | |
398 | return 0; | |
399 | } else | |
400 | #endif | |
401 | { | |
402 | int hit; | |
403 | unsigned long sz; | |
404 | void *data = load_sha1(sha1, &sz, name); | |
405 | if (!data) | |
406 | hit = 0; | |
407 | else | |
408 | hit = grep_buffer(opt, name, data, sz); | |
409 | ||
410 | free(data); | |
411 | free(name); | |
412 | return hit; | |
0d042fec | 413 | } |
5010cb5f JH |
414 | } |
415 | ||
5b594f45 | 416 | static void *load_file(const char *filename, size_t *sz) |
5010cb5f JH |
417 | { |
418 | struct stat st; | |
5010cb5f | 419 | char *data; |
5b594f45 | 420 | int i; |
dc49cd76 | 421 | |
5010cb5f JH |
422 | if (lstat(filename, &st) < 0) { |
423 | err_ret: | |
424 | if (errno != ENOENT) | |
2fc5f9f1 | 425 | error(_("'%s': %s"), filename, strerror(errno)); |
1e4cd68c | 426 | return NULL; |
5010cb5f | 427 | } |
5010cb5f | 428 | if (!S_ISREG(st.st_mode)) |
1e4cd68c | 429 | return NULL; |
5b594f45 | 430 | *sz = xsize_t(st.st_size); |
5010cb5f JH |
431 | i = open(filename, O_RDONLY); |
432 | if (i < 0) | |
433 | goto err_ret; | |
5b594f45 FK |
434 | data = xmalloc(*sz + 1); |
435 | if (st.st_size != read_in_full(i, data, *sz)) { | |
2fc5f9f1 | 436 | error(_("'%s': short read %s"), filename, strerror(errno)); |
5010cb5f JH |
437 | close(i); |
438 | free(data); | |
1e4cd68c | 439 | return NULL; |
5010cb5f JH |
440 | } |
441 | close(i); | |
5b594f45 FK |
442 | data[*sz] = 0; |
443 | return data; | |
444 | } | |
445 | ||
446 | static int grep_file(struct grep_opt *opt, const char *filename) | |
447 | { | |
448 | struct strbuf buf = STRBUF_INIT; | |
449 | char *name; | |
450 | ||
0d042fec | 451 | if (opt->relative && opt->prefix_length) |
5b594f45 FK |
452 | quote_path_relative(filename, -1, &buf, opt->prefix); |
453 | else | |
454 | strbuf_addstr(&buf, filename); | |
455 | name = strbuf_detach(&buf, NULL); | |
456 | ||
457 | #ifndef NO_PTHREADS | |
458 | if (use_threads) { | |
459 | grep_file_async(opt, name, filename); | |
460 | return 0; | |
461 | } else | |
462 | #endif | |
463 | { | |
464 | int hit; | |
465 | size_t sz; | |
466 | void *data = load_file(filename, &sz); | |
467 | if (!data) | |
468 | hit = 0; | |
469 | else | |
470 | hit = grep_buffer(opt, name, data, sz); | |
471 | ||
472 | free(data); | |
473 | free(name); | |
474 | return hit; | |
475 | } | |
5010cb5f JH |
476 | } |
477 | ||
678e484b JS |
478 | static void append_path(struct grep_opt *opt, const void *data, size_t len) |
479 | { | |
480 | struct string_list *path_list = opt->output_priv; | |
481 | ||
482 | if (len == 1 && *(const char *)data == '\0') | |
483 | return; | |
0c72cead | 484 | string_list_append(path_list, xstrndup(data, len)); |
678e484b JS |
485 | } |
486 | ||
487 | static void run_pager(struct grep_opt *opt, const char *prefix) | |
488 | { | |
489 | struct string_list *path_list = opt->output_priv; | |
490 | const char **argv = xmalloc(sizeof(const char *) * (path_list->nr + 1)); | |
491 | int i, status; | |
492 | ||
493 | for (i = 0; i < path_list->nr; i++) | |
494 | argv[i] = path_list->items[i].string; | |
495 | argv[path_list->nr] = NULL; | |
496 | ||
497 | if (prefix && chdir(prefix)) | |
2fc5f9f1 | 498 | die(_("Failed to chdir: %s"), prefix); |
678e484b JS |
499 | status = run_command_v_opt(argv, RUN_USING_SHELL); |
500 | if (status) | |
501 | exit(status); | |
502 | free(argv); | |
503 | } | |
504 | ||
f34bbc15 | 505 | static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int cached) |
5010cb5f JH |
506 | { |
507 | int hit = 0; | |
508 | int nr; | |
509 | read_cache(); | |
510 | ||
511 | for (nr = 0; nr < active_nr; nr++) { | |
512 | struct cache_entry *ce = active_cache[nr]; | |
7a51ed66 | 513 | if (!S_ISREG(ce->ce_mode)) |
5010cb5f | 514 | continue; |
2ed2437a | 515 | if (!match_pathspec_depth(pathspec, ce->name, ce_namelen(ce), 0, NULL)) |
5010cb5f | 516 | continue; |
57d43466 NTND |
517 | /* |
518 | * If CE_VALID is on, we assume worktree file and its cache entry | |
519 | * are identical, even if worktree file has been modified, so use | |
520 | * cache version instead | |
521 | */ | |
b4d1690d | 522 | if (cached || (ce->ce_flags & CE_VALID) || ce_skip_worktree(ce)) { |
36f2587f JH |
523 | if (ce_stage(ce)) |
524 | continue; | |
0d042fec | 525 | hit |= grep_sha1(opt, ce->sha1, ce->name, 0); |
36f2587f | 526 | } |
5010cb5f JH |
527 | else |
528 | hit |= grep_file(opt, ce->name); | |
36f2587f JH |
529 | if (ce_stage(ce)) { |
530 | do { | |
531 | nr++; | |
532 | } while (nr < active_nr && | |
533 | !strcmp(ce->name, active_cache[nr]->name)); | |
534 | nr--; /* compensate for loop control */ | |
535 | } | |
c8610a2e JH |
536 | if (hit && opt->status_only) |
537 | break; | |
5010cb5f JH |
538 | } |
539 | return hit; | |
540 | } | |
541 | ||
f34bbc15 | 542 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, |
e5e062b6 | 543 | struct tree_desc *tree, struct strbuf *base, int tn_len) |
5010cb5f | 544 | { |
97d0b74a | 545 | int hit = 0, match = 0; |
4c068a98 | 546 | struct name_entry entry; |
e5e062b6 | 547 | int old_baselen = base->len; |
5010cb5f | 548 | |
4c068a98 | 549 | while (tree_entry(tree, &entry)) { |
620e2bb9 | 550 | int te_len = tree_entry_len(entry.path, entry.sha1); |
e5e062b6 | 551 | |
97d0b74a NTND |
552 | if (match != 2) { |
553 | match = tree_entry_interesting(&entry, base, tn_len, pathspec); | |
554 | if (match < 0) | |
555 | break; | |
556 | if (match == 0) | |
1376e507 NTND |
557 | continue; |
558 | } | |
5010cb5f | 559 | |
1376e507 | 560 | strbuf_add(base, entry.path, te_len); |
e0eb889f | 561 | |
1376e507 | 562 | if (S_ISREG(entry.mode)) { |
e5e062b6 NTND |
563 | hit |= grep_sha1(opt, entry.sha1, base->buf, tn_len); |
564 | } | |
4c068a98 | 565 | else if (S_ISDIR(entry.mode)) { |
21666f1a | 566 | enum object_type type; |
5010cb5f JH |
567 | struct tree_desc sub; |
568 | void *data; | |
6fda5e51 LT |
569 | unsigned long size; |
570 | ||
5f02d315 | 571 | data = lock_and_read_sha1_file(entry.sha1, &type, &size); |
5010cb5f | 572 | if (!data) |
2fc5f9f1 | 573 | die(_("unable to read tree (%s)"), |
4c068a98 | 574 | sha1_to_hex(entry.sha1)); |
1376e507 NTND |
575 | |
576 | strbuf_addch(base, '/'); | |
6fda5e51 | 577 | init_tree_desc(&sub, data, size); |
e5e062b6 | 578 | hit |= grep_tree(opt, pathspec, &sub, base, tn_len); |
5010cb5f JH |
579 | free(data); |
580 | } | |
e5e062b6 NTND |
581 | strbuf_setlen(base, old_baselen); |
582 | ||
c8610a2e JH |
583 | if (hit && opt->status_only) |
584 | break; | |
5010cb5f JH |
585 | } |
586 | return hit; | |
587 | } | |
588 | ||
f34bbc15 | 589 | static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, |
5010cb5f JH |
590 | struct object *obj, const char *name) |
591 | { | |
1974632c | 592 | if (obj->type == OBJ_BLOB) |
0d042fec | 593 | return grep_sha1(opt, obj->sha1, name, 0); |
1974632c | 594 | if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { |
5010cb5f JH |
595 | struct tree_desc tree; |
596 | void *data; | |
6fda5e51 | 597 | unsigned long size; |
e5e062b6 NTND |
598 | struct strbuf base; |
599 | int hit, len; | |
600 | ||
8cb5775b | 601 | read_sha1_lock(); |
5010cb5f | 602 | data = read_object_with_reference(obj->sha1, tree_type, |
6fda5e51 | 603 | &size, NULL); |
8cb5775b NMC |
604 | read_sha1_unlock(); |
605 | ||
5010cb5f | 606 | if (!data) |
2fc5f9f1 | 607 | die(_("unable to read tree (%s)"), sha1_to_hex(obj->sha1)); |
e5e062b6 NTND |
608 | |
609 | len = name ? strlen(name) : 0; | |
610 | strbuf_init(&base, PATH_MAX + len + 1); | |
611 | if (len) { | |
612 | strbuf_add(&base, name, len); | |
613 | strbuf_addch(&base, ':'); | |
614 | } | |
6fda5e51 | 615 | init_tree_desc(&tree, data, size); |
e5e062b6 NTND |
616 | hit = grep_tree(opt, pathspec, &tree, &base, base.len); |
617 | strbuf_release(&base); | |
5010cb5f JH |
618 | free(data); |
619 | return hit; | |
620 | } | |
2fc5f9f1 | 621 | die(_("unable to grep from object of type %s"), typename(obj->type)); |
5010cb5f JH |
622 | } |
623 | ||
f34bbc15 | 624 | static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, |
30d00c39 JN |
625 | const struct object_array *list) |
626 | { | |
627 | unsigned int i; | |
628 | int hit = 0; | |
629 | const unsigned int nr = list->nr; | |
630 | ||
631 | for (i = 0; i < nr; i++) { | |
632 | struct object *real_obj; | |
633 | real_obj = deref_tag(list->objects[i].item, NULL, 0); | |
f34bbc15 | 634 | if (grep_object(opt, pathspec, real_obj, list->objects[i].name)) { |
30d00c39 JN |
635 | hit = 1; |
636 | if (opt->status_only) | |
637 | break; | |
638 | } | |
639 | } | |
640 | return hit; | |
641 | } | |
642 | ||
dbfae86a JH |
643 | static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, |
644 | int exc_std) | |
59332d13 JH |
645 | { |
646 | struct dir_struct dir; | |
647 | int i, hit = 0; | |
648 | ||
649 | memset(&dir, 0, sizeof(dir)); | |
0a93fb8a JH |
650 | if (exc_std) |
651 | setup_standard_excludes(&dir); | |
59332d13 | 652 | |
f34bbc15 | 653 | fill_directory(&dir, pathspec->raw); |
59332d13 | 654 | for (i = 0; i < dir.nr; i++) { |
9d8b831b JH |
655 | const char *name = dir.entries[i]->name; |
656 | int namelen = strlen(name); | |
657 | if (!match_pathspec_depth(pathspec, name, namelen, 0, NULL)) | |
658 | continue; | |
59332d13 JH |
659 | hit |= grep_file(opt, dir.entries[i]->name); |
660 | if (hit && opt->status_only) | |
661 | break; | |
662 | } | |
59332d13 JH |
663 | return hit; |
664 | } | |
665 | ||
ff3c7f9a RS |
666 | static int context_callback(const struct option *opt, const char *arg, |
667 | int unset) | |
3e230fa1 RS |
668 | { |
669 | struct grep_opt *grep_opt = opt->value; | |
670 | int value; | |
671 | const char *endp; | |
672 | ||
673 | if (unset) { | |
674 | grep_opt->pre_context = grep_opt->post_context = 0; | |
675 | return 0; | |
676 | } | |
677 | value = strtol(arg, (char **)&endp, 10); | |
678 | if (*endp) { | |
2fc5f9f1 | 679 | return error(_("switch `%c' expects a numerical value"), |
3e230fa1 RS |
680 | opt->short_name); |
681 | } | |
682 | grep_opt->pre_context = grep_opt->post_context = value; | |
683 | return 0; | |
684 | } | |
685 | ||
ff3c7f9a | 686 | static int file_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
687 | { |
688 | struct grep_opt *grep_opt = opt->value; | |
c41dd2fd | 689 | int from_stdin = !strcmp(arg, "-"); |
3e230fa1 RS |
690 | FILE *patterns; |
691 | int lno = 0; | |
cfe370c6 | 692 | struct strbuf sb = STRBUF_INIT; |
3e230fa1 | 693 | |
c41dd2fd | 694 | patterns = from_stdin ? stdin : fopen(arg, "r"); |
3e230fa1 | 695 | if (!patterns) |
2fc5f9f1 | 696 | die_errno(_("cannot open '%s'"), arg); |
3e230fa1 | 697 | while (strbuf_getline(&sb, patterns, '\n') == 0) { |
ed40a095 RS |
698 | char *s; |
699 | size_t len; | |
700 | ||
3e230fa1 RS |
701 | /* ignore empty line like grep does */ |
702 | if (sb.len == 0) | |
703 | continue; | |
ed40a095 RS |
704 | |
705 | s = strbuf_detach(&sb, &len); | |
706 | append_grep_pat(grep_opt, s, len, arg, ++lno, GREP_PATTERN); | |
3e230fa1 | 707 | } |
c41dd2fd RS |
708 | if (!from_stdin) |
709 | fclose(patterns); | |
3e230fa1 RS |
710 | strbuf_release(&sb); |
711 | return 0; | |
712 | } | |
713 | ||
ff3c7f9a | 714 | static int not_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
715 | { |
716 | struct grep_opt *grep_opt = opt->value; | |
717 | append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); | |
718 | return 0; | |
719 | } | |
720 | ||
ff3c7f9a | 721 | static int and_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
722 | { |
723 | struct grep_opt *grep_opt = opt->value; | |
724 | append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); | |
725 | return 0; | |
726 | } | |
727 | ||
ff3c7f9a | 728 | static int open_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
729 | { |
730 | struct grep_opt *grep_opt = opt->value; | |
731 | append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); | |
732 | return 0; | |
733 | } | |
734 | ||
ff3c7f9a | 735 | static int close_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
736 | { |
737 | struct grep_opt *grep_opt = opt->value; | |
738 | append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); | |
739 | return 0; | |
740 | } | |
741 | ||
ff3c7f9a RS |
742 | static int pattern_callback(const struct option *opt, const char *arg, |
743 | int unset) | |
3e230fa1 RS |
744 | { |
745 | struct grep_opt *grep_opt = opt->value; | |
746 | append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); | |
747 | return 0; | |
748 | } | |
5010cb5f | 749 | |
ff3c7f9a | 750 | static int help_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
751 | { |
752 | return -1; | |
753 | } | |
088b084b | 754 | |
a633fca0 | 755 | int cmd_grep(int argc, const char **argv, const char *prefix) |
5010cb5f | 756 | { |
5010cb5f | 757 | int hit = 0; |
0a93fb8a | 758 | int cached = 0, untracked = 0, opt_exclude = -1; |
5acd64ed | 759 | int seen_dashdash = 0; |
bbc09c22 | 760 | int external_grep_allowed__ignored; |
0af88c15 | 761 | const char *show_in_pager = NULL, *default_pager = "dummy"; |
5010cb5f | 762 | struct grep_opt opt; |
3cd47459 | 763 | struct object_array list = OBJECT_ARRAY_INIT; |
1362671f | 764 | const char **paths = NULL; |
f34bbc15 | 765 | struct pathspec pathspec; |
183113a5 | 766 | struct string_list path_list = STRING_LIST_INIT_NODUP; |
5acd64ed | 767 | int i; |
3e230fa1 | 768 | int dummy; |
ff38d1a9 | 769 | int use_index = 1; |
cca2c172 JH |
770 | enum { |
771 | pattern_type_unspecified = 0, | |
772 | pattern_type_bre, | |
773 | pattern_type_ere, | |
774 | pattern_type_fixed, | |
775 | pattern_type_pcre, | |
776 | }; | |
777 | int pattern_type = pattern_type_unspecified; | |
778 | ||
3e230fa1 RS |
779 | struct option options[] = { |
780 | OPT_BOOLEAN(0, "cached", &cached, | |
781 | "search in index instead of in the work tree"), | |
ac1d33dd BW |
782 | { OPTION_BOOLEAN, 0, "index", &use_index, NULL, |
783 | "finds in contents not managed by git", | |
784 | PARSE_OPT_NOARG | PARSE_OPT_NEGHELP }, | |
0a93fb8a JH |
785 | OPT_BOOLEAN(0, "untracked", &untracked, |
786 | "search in both tracked and untracked files"), | |
787 | OPT_SET_INT(0, "exclude-standard", &opt_exclude, | |
788 | "search also in ignored files", 1), | |
3e230fa1 RS |
789 | OPT_GROUP(""), |
790 | OPT_BOOLEAN('v', "invert-match", &opt.invert, | |
791 | "show non-matching lines"), | |
5183bf67 BC |
792 | OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case, |
793 | "case insensitive matching"), | |
3e230fa1 RS |
794 | OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp, |
795 | "match patterns only at word boundaries"), | |
796 | OPT_SET_INT('a', "text", &opt.binary, | |
797 | "process binary files as text", GREP_BINARY_TEXT), | |
798 | OPT_SET_INT('I', NULL, &opt.binary, | |
799 | "don't match patterns in binary files", | |
800 | GREP_BINARY_NOMATCH), | |
a91f453f MK |
801 | { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, "depth", |
802 | "descend at most <depth> levels", PARSE_OPT_NONEG, | |
803 | NULL, 1 }, | |
3e230fa1 | 804 | OPT_GROUP(""), |
cca2c172 JH |
805 | OPT_SET_INT('E', "extended-regexp", &pattern_type, |
806 | "use extended POSIX regular expressions", | |
807 | pattern_type_ere), | |
808 | OPT_SET_INT('G', "basic-regexp", &pattern_type, | |
809 | "use basic POSIX regular expressions (default)", | |
810 | pattern_type_bre), | |
811 | OPT_SET_INT('F', "fixed-strings", &pattern_type, | |
812 | "interpret patterns as fixed strings", | |
813 | pattern_type_fixed), | |
814 | OPT_SET_INT('P', "perl-regexp", &pattern_type, | |
815 | "use Perl-compatible regular expressions", | |
816 | pattern_type_pcre), | |
3e230fa1 | 817 | OPT_GROUP(""), |
7d6cb10b | 818 | OPT_BOOLEAN('n', "line-number", &opt.linenum, "show line numbers"), |
3e230fa1 RS |
819 | OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1), |
820 | OPT_BIT('H', NULL, &opt.pathname, "show filenames", 1), | |
821 | OPT_NEGBIT(0, "full-name", &opt.relative, | |
822 | "show filenames relative to top directory", 1), | |
823 | OPT_BOOLEAN('l', "files-with-matches", &opt.name_only, | |
824 | "show only filenames instead of matching lines"), | |
825 | OPT_BOOLEAN(0, "name-only", &opt.name_only, | |
826 | "synonym for --files-with-matches"), | |
827 | OPT_BOOLEAN('L', "files-without-match", | |
828 | &opt.unmatch_name_only, | |
829 | "show only the names of files without match"), | |
830 | OPT_BOOLEAN('z', "null", &opt.null_following_name, | |
831 | "print NUL after filenames"), | |
832 | OPT_BOOLEAN('c', "count", &opt.count, | |
833 | "show the number of matches instead of matching lines"), | |
73e9da01 | 834 | OPT__COLOR(&opt.color, "highlight matches"), |
a8f0e764 RS |
835 | OPT_BOOLEAN(0, "break", &opt.file_break, |
836 | "print empty line between matches from different files"), | |
1d84f72e RS |
837 | OPT_BOOLEAN(0, "heading", &opt.heading, |
838 | "show filename only once above matches from same file"), | |
3e230fa1 | 839 | OPT_GROUP(""), |
317f63c2 | 840 | OPT_CALLBACK('C', "context", &opt, "n", |
3e230fa1 RS |
841 | "show <n> context lines before and after matches", |
842 | context_callback), | |
317f63c2 | 843 | OPT_INTEGER('B', "before-context", &opt.pre_context, |
3e230fa1 | 844 | "show <n> context lines before matches"), |
317f63c2 | 845 | OPT_INTEGER('A', "after-context", &opt.post_context, |
3e230fa1 RS |
846 | "show <n> context lines after matches"), |
847 | OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM", | |
848 | context_callback), | |
2944e4e6 RS |
849 | OPT_BOOLEAN('p', "show-function", &opt.funcname, |
850 | "show a line with the function name before matches"), | |
317f63c2 | 851 | OPT_BOOLEAN('W', "function-context", &opt.funcbody, |
ba8ea749 | 852 | "show the surrounding function"), |
3e230fa1 RS |
853 | OPT_GROUP(""), |
854 | OPT_CALLBACK('f', NULL, &opt, "file", | |
855 | "read patterns from file", file_callback), | |
856 | { OPTION_CALLBACK, 'e', NULL, &opt, "pattern", | |
857 | "match <pattern>", PARSE_OPT_NONEG, pattern_callback }, | |
858 | { OPTION_CALLBACK, 0, "and", &opt, NULL, | |
859 | "combine patterns specified with -e", | |
860 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback }, | |
861 | OPT_BOOLEAN(0, "or", &dummy, ""), | |
862 | { OPTION_CALLBACK, 0, "not", &opt, NULL, "", | |
863 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback }, | |
864 | { OPTION_CALLBACK, '(', NULL, &opt, NULL, "", | |
865 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
866 | open_callback }, | |
867 | { OPTION_CALLBACK, ')', NULL, &opt, NULL, "", | |
868 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
869 | close_callback }, | |
d52ee6e6 RS |
870 | OPT__QUIET(&opt.status_only, |
871 | "indicate hit with exit status without output"), | |
3e230fa1 RS |
872 | OPT_BOOLEAN(0, "all-match", &opt.all_match, |
873 | "show only matches from files that match all patterns"), | |
874 | OPT_GROUP(""), | |
0af88c15 JS |
875 | { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, |
876 | "pager", "show matching files in the pager", | |
877 | PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager }, | |
bbc09c22 JH |
878 | OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored, |
879 | "allow calling of grep(1) (ignored by this build)"), | |
3e230fa1 RS |
880 | { OPTION_CALLBACK, 0, "help-all", &options, NULL, "show usage", |
881 | PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback }, | |
882 | OPT_END() | |
883 | }; | |
5010cb5f | 884 | |
9c855c31 JN |
885 | /* |
886 | * 'git grep -h', unlike 'git grep -h <pattern>', is a request | |
887 | * to show usage information and exit. | |
888 | */ | |
889 | if (argc == 2 && !strcmp(argv[1], "-h")) | |
890 | usage_with_options(grep_usage, options); | |
891 | ||
5010cb5f | 892 | memset(&opt, 0, sizeof(opt)); |
493b7a08 | 893 | opt.prefix = prefix; |
0d042fec JH |
894 | opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0; |
895 | opt.relative = 1; | |
7977f0ea | 896 | opt.pathname = 1; |
f9b9faf6 | 897 | opt.pattern_tail = &opt.pattern_list; |
80235ba7 | 898 | opt.header_tail = &opt.header_list; |
5010cb5f | 899 | opt.regflags = REG_NEWLINE; |
a91f453f | 900 | opt.max_depth = -1; |
5010cb5f | 901 | |
00588bb5 | 902 | strcpy(opt.color_context, ""); |
55f638bd | 903 | strcpy(opt.color_filename, ""); |
00588bb5 | 904 | strcpy(opt.color_function, ""); |
55f638bd | 905 | strcpy(opt.color_lineno, ""); |
758df17a | 906 | strcpy(opt.color_match, GIT_COLOR_BOLD_RED); |
00588bb5 | 907 | strcpy(opt.color_selected, ""); |
55f638bd | 908 | strcpy(opt.color_sep, GIT_COLOR_CYAN); |
7e8f59d5 RS |
909 | opt.color = -1; |
910 | git_config(grep_config, &opt); | |
7e8f59d5 | 911 | |
5010cb5f | 912 | /* |
5acd64ed JH |
913 | * If there is no -- then the paths must exist in the working |
914 | * tree. If there is no explicit pattern specified with -e or | |
915 | * -f, we take the first unrecognized non option to be the | |
916 | * pattern, but then what follows it must be zero or more | |
917 | * valid refs up to the -- (if exists), and then existing | |
918 | * paths. If there is an explicit pattern, then the first | |
82e5a82f | 919 | * unrecognized non option is the beginning of the refs list |
5acd64ed | 920 | * that continues up to the -- (if exists), and then paths. |
5010cb5f | 921 | */ |
37782920 | 922 | argc = parse_options(argc, argv, prefix, options, grep_usage, |
3e230fa1 RS |
923 | PARSE_OPT_KEEP_DASHDASH | |
924 | PARSE_OPT_STOP_AT_NON_OPTION | | |
925 | PARSE_OPT_NO_INTERNAL_HELP); | |
cca2c172 JH |
926 | switch (pattern_type) { |
927 | case pattern_type_fixed: | |
928 | opt.fixed = 1; | |
929 | opt.pcre = 0; | |
930 | break; | |
931 | case pattern_type_bre: | |
932 | opt.fixed = 0; | |
933 | opt.pcre = 0; | |
934 | opt.regflags &= ~REG_EXTENDED; | |
935 | break; | |
936 | case pattern_type_ere: | |
937 | opt.fixed = 0; | |
938 | opt.pcre = 0; | |
939 | opt.regflags |= REG_EXTENDED; | |
940 | break; | |
941 | case pattern_type_pcre: | |
942 | opt.fixed = 0; | |
943 | opt.pcre = 1; | |
944 | break; | |
945 | default: | |
946 | break; /* nothing */ | |
947 | } | |
3e230fa1 | 948 | |
ff38d1a9 | 949 | if (use_index && !startup_info->have_repository) |
59332d13 JH |
950 | /* die the same way as if we did it at the beginning */ |
951 | setup_git_directory(); | |
952 | ||
1123c67c JK |
953 | /* |
954 | * skip a -- separator; we know it cannot be | |
955 | * separating revisions from pathnames if | |
956 | * we haven't even had any patterns yet | |
957 | */ | |
958 | if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) { | |
959 | argv++; | |
960 | argc--; | |
961 | } | |
962 | ||
3e230fa1 RS |
963 | /* First unrecognized non-option token */ |
964 | if (argc > 0 && !opt.pattern_list) { | |
965 | append_grep_pattern(&opt, argv[0], "command line", 0, | |
966 | GREP_PATTERN); | |
967 | argv++; | |
968 | argc--; | |
5010cb5f | 969 | } |
5acd64ed | 970 | |
0af88c15 JS |
971 | if (show_in_pager == default_pager) |
972 | show_in_pager = git_pager(1); | |
678e484b | 973 | if (show_in_pager) { |
e7b082a4 | 974 | opt.color = 0; |
0af88c15 JS |
975 | opt.name_only = 1; |
976 | opt.null_following_name = 1; | |
977 | opt.output_priv = &path_list; | |
978 | opt.output = append_path; | |
0c72cead | 979 | string_list_append(&path_list, show_in_pager); |
0af88c15 | 980 | use_threads = 0; |
678e484b JS |
981 | } |
982 | ||
f9b9faf6 | 983 | if (!opt.pattern_list) |
2fc5f9f1 | 984 | die(_("no pattern given.")); |
5183bf67 BC |
985 | if (!opt.fixed && opt.ignore_case) |
986 | opt.regflags |= REG_ICASE; | |
5b594f45 FK |
987 | |
988 | #ifndef NO_PTHREADS | |
989 | if (online_cpus() == 1 || !grep_threads_ok(&opt)) | |
990 | use_threads = 0; | |
991 | ||
431d6e7b | 992 | if (use_threads) { |
ba8ea749 RS |
993 | if (opt.pre_context || opt.post_context || opt.file_break || |
994 | opt.funcbody) | |
08303c36 | 995 | skip_first_line = 1; |
5b594f45 | 996 | start_threads(&opt); |
431d6e7b | 997 | } |
5b594f45 FK |
998 | #else |
999 | use_threads = 0; | |
1000 | #endif | |
1001 | ||
83b5d2f5 | 1002 | compile_grep_patterns(&opt); |
5acd64ed JH |
1003 | |
1004 | /* Check revs and then paths */ | |
3e230fa1 | 1005 | for (i = 0; i < argc; i++) { |
5acd64ed | 1006 | const char *arg = argv[i]; |
1362671f | 1007 | unsigned char sha1[20]; |
5acd64ed JH |
1008 | /* Is it a rev? */ |
1009 | if (!get_sha1(arg, sha1)) { | |
1010 | struct object *object = parse_object(sha1); | |
5acd64ed | 1011 | if (!object) |
2fc5f9f1 | 1012 | die(_("bad object %s"), arg); |
1f1e895f | 1013 | add_object_array(object, arg, &list); |
5acd64ed JH |
1014 | continue; |
1015 | } | |
1016 | if (!strcmp(arg, "--")) { | |
1017 | i++; | |
1018 | seen_dashdash = 1; | |
1019 | } | |
1020 | break; | |
1362671f | 1021 | } |
5acd64ed JH |
1022 | |
1023 | /* The rest are paths */ | |
1024 | if (!seen_dashdash) { | |
1025 | int j; | |
c39c4f47 | 1026 | for (j = i; j < argc; j++) |
5acd64ed JH |
1027 | verify_filename(prefix, argv[j]); |
1028 | } | |
1029 | ||
7c5f3cc4 | 1030 | paths = get_pathspec(prefix, argv + i); |
f34bbc15 | 1031 | init_pathspec(&pathspec, paths); |
1376e507 NTND |
1032 | pathspec.max_depth = opt.max_depth; |
1033 | pathspec.recursive = 1; | |
5010cb5f | 1034 | |
678e484b | 1035 | if (show_in_pager && (cached || list.nr)) |
e4fe4ba5 | 1036 | die(_("--open-files-in-pager only works on the worktree")); |
678e484b JS |
1037 | |
1038 | if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) { | |
1039 | const char *pager = path_list.items[0].string; | |
1040 | int len = strlen(pager); | |
1041 | ||
1042 | if (len > 4 && is_dir_sep(pager[len - 5])) | |
1043 | pager += len - 4; | |
1044 | ||
1045 | if (!strcmp("less", pager) || !strcmp("vi", pager)) { | |
1046 | struct strbuf buf = STRBUF_INIT; | |
1047 | strbuf_addf(&buf, "+/%s%s", | |
1048 | strcmp("less", pager) ? "" : "*", | |
1049 | opt.pattern_list->pattern); | |
0c72cead | 1050 | string_list_append(&path_list, buf.buf); |
678e484b JS |
1051 | strbuf_detach(&buf, NULL); |
1052 | } | |
1053 | } | |
1054 | ||
1055 | if (!show_in_pager) | |
1056 | setup_pager(); | |
1057 | ||
0a93fb8a | 1058 | if (!use_index && (untracked || cached)) |
dbfae86a | 1059 | die(_("--cached or --untracked cannot be used with --no-index.")); |
678e484b | 1060 | |
0a93fb8a | 1061 | if (!use_index || untracked) { |
0a93fb8a | 1062 | int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; |
59332d13 | 1063 | if (list.nr) |
dbfae86a JH |
1064 | die(_("--no-index or --untracked cannot be used with revs.")); |
1065 | hit = grep_directory(&opt, &pathspec, use_exclude); | |
1066 | } else if (0 <= opt_exclude) { | |
9fddaf78 | 1067 | die(_("--[no-]exclude-standard cannot be used for tracked contents.")); |
685359cf | 1068 | } else if (!list.nr) { |
6577f542 NTND |
1069 | if (!cached) |
1070 | setup_work_tree(); | |
5b594f45 | 1071 | |
f34bbc15 | 1072 | hit = grep_cache(&opt, &pathspec, cached); |
685359cf JS |
1073 | } else { |
1074 | if (cached) | |
2fc5f9f1 | 1075 | die(_("both --cached and trees are given.")); |
f34bbc15 | 1076 | hit = grep_objects(&opt, &pathspec, &list); |
5010cb5f | 1077 | } |
5b594f45 FK |
1078 | |
1079 | if (use_threads) | |
1080 | hit |= wait_all(); | |
678e484b JS |
1081 | if (hit && show_in_pager) |
1082 | run_pager(&opt, prefix); | |
b48fb5b6 | 1083 | free_grep_patterns(&opt); |
5010cb5f JH |
1084 | return !hit; |
1085 | } |