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