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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" |
5b594f45 | 20 | |
3e230fa1 | 21 | static char const * const grep_usage[] = { |
62b4698e | 22 | "git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]", |
3e230fa1 RS |
23 | NULL |
24 | }; | |
25 | ||
5b594f45 FK |
26 | static int use_threads = 1; |
27 | ||
28 | #ifndef NO_PTHREADS | |
29 | #define THREADS 8 | |
30 | static pthread_t threads[THREADS]; | |
31 | ||
5b594f45 FK |
32 | /* We use one producer thread and THREADS consumer |
33 | * threads. The producer adds struct work_items to 'todo' and the | |
34 | * consumers pick work items from the same array. | |
35 | */ | |
9cba13ca | 36 | struct work_item { |
8f24a632 | 37 | struct grep_source source; |
5b594f45 FK |
38 | char done; |
39 | struct strbuf out; | |
40 | }; | |
41 | ||
42 | /* In the range [todo_done, todo_start) in 'todo' we have work_items | |
43 | * that have been or are processed by a consumer thread. We haven't | |
44 | * written the result for these to stdout yet. | |
45 | * | |
46 | * The work_items in [todo_start, todo_end) are waiting to be picked | |
47 | * up by a consumer thread. | |
48 | * | |
49 | * The ranges are modulo TODO_SIZE. | |
50 | */ | |
51 | #define TODO_SIZE 128 | |
52 | static struct work_item todo[TODO_SIZE]; | |
53 | static int todo_start; | |
54 | static int todo_end; | |
55 | static int todo_done; | |
56 | ||
57 | /* Has all work items been added? */ | |
58 | static int all_work_added; | |
59 | ||
60 | /* This lock protects all the variables above. */ | |
61 | static pthread_mutex_t grep_mutex; | |
62 | ||
1487a12b JH |
63 | static inline void grep_lock(void) |
64 | { | |
65 | if (use_threads) | |
66 | pthread_mutex_lock(&grep_mutex); | |
67 | } | |
68 | ||
69 | static inline void grep_unlock(void) | |
70 | { | |
71 | if (use_threads) | |
72 | pthread_mutex_unlock(&grep_mutex); | |
73 | } | |
74 | ||
5b594f45 FK |
75 | /* Signalled when a new work_item is added to todo. */ |
76 | static pthread_cond_t cond_add; | |
77 | ||
78 | /* Signalled when the result from one work_item is written to | |
79 | * stdout. | |
80 | */ | |
81 | static pthread_cond_t cond_write; | |
82 | ||
83 | /* Signalled when we are finished with everything. */ | |
84 | static pthread_cond_t cond_result; | |
85 | ||
08303c36 | 86 | static int skip_first_line; |
431d6e7b | 87 | |
9dd5245c JK |
88 | static void add_work(struct grep_opt *opt, enum grep_source_type type, |
89 | const char *name, const void *id) | |
5b594f45 FK |
90 | { |
91 | grep_lock(); | |
92 | ||
93 | while ((todo_end+1) % ARRAY_SIZE(todo) == todo_done) { | |
94 | pthread_cond_wait(&cond_write, &grep_mutex); | |
95 | } | |
96 | ||
8f24a632 | 97 | grep_source_init(&todo[todo_end].source, type, name, id); |
9dd5245c JK |
98 | if (opt->binary != GREP_BINARY_TEXT) |
99 | grep_source_load_driver(&todo[todo_end].source); | |
5b594f45 FK |
100 | todo[todo_end].done = 0; |
101 | strbuf_reset(&todo[todo_end].out); | |
102 | todo_end = (todo_end + 1) % ARRAY_SIZE(todo); | |
103 | ||
104 | pthread_cond_signal(&cond_add); | |
105 | grep_unlock(); | |
106 | } | |
107 | ||
108 | static struct work_item *get_work(void) | |
109 | { | |
110 | struct work_item *ret; | |
111 | ||
112 | grep_lock(); | |
113 | while (todo_start == todo_end && !all_work_added) { | |
114 | pthread_cond_wait(&cond_add, &grep_mutex); | |
115 | } | |
116 | ||
117 | if (todo_start == todo_end && all_work_added) { | |
118 | ret = NULL; | |
119 | } else { | |
120 | ret = &todo[todo_start]; | |
121 | todo_start = (todo_start + 1) % ARRAY_SIZE(todo); | |
122 | } | |
123 | grep_unlock(); | |
124 | return ret; | |
125 | } | |
126 | ||
5b594f45 FK |
127 | static void work_done(struct work_item *w) |
128 | { | |
129 | int old_done; | |
130 | ||
131 | grep_lock(); | |
132 | w->done = 1; | |
133 | old_done = todo_done; | |
134 | for(; todo[todo_done].done && todo_done != todo_start; | |
135 | todo_done = (todo_done+1) % ARRAY_SIZE(todo)) { | |
136 | w = &todo[todo_done]; | |
431d6e7b | 137 | if (w->out.len) { |
08303c36 RS |
138 | const char *p = w->out.buf; |
139 | size_t len = w->out.len; | |
140 | ||
141 | /* Skip the leading hunk mark of the first file. */ | |
142 | if (skip_first_line) { | |
143 | while (len) { | |
144 | len--; | |
145 | if (*p++ == '\n') | |
146 | break; | |
147 | } | |
148 | skip_first_line = 0; | |
149 | } | |
150 | ||
151 | write_or_die(1, p, len); | |
431d6e7b | 152 | } |
8f24a632 | 153 | grep_source_clear(&w->source); |
5b594f45 FK |
154 | } |
155 | ||
156 | if (old_done != todo_done) | |
157 | pthread_cond_signal(&cond_write); | |
158 | ||
159 | if (all_work_added && todo_done == todo_end) | |
160 | pthread_cond_signal(&cond_result); | |
161 | ||
162 | grep_unlock(); | |
163 | } | |
164 | ||
165 | static void *run(void *arg) | |
166 | { | |
167 | int hit = 0; | |
168 | struct grep_opt *opt = arg; | |
169 | ||
170 | while (1) { | |
171 | struct work_item *w = get_work(); | |
172 | if (!w) | |
173 | break; | |
174 | ||
175 | opt->output_priv = w; | |
8f24a632 JK |
176 | hit |= grep_source(opt, &w->source); |
177 | grep_source_clear_data(&w->source); | |
5b594f45 FK |
178 | work_done(w); |
179 | } | |
bfac23d9 DM |
180 | free_grep_patterns(arg); |
181 | free(arg); | |
5b594f45 FK |
182 | |
183 | return (void*) (intptr_t) hit; | |
184 | } | |
185 | ||
186 | static void strbuf_out(struct grep_opt *opt, const void *buf, size_t size) | |
187 | { | |
188 | struct work_item *w = opt->output_priv; | |
189 | strbuf_add(&w->out, buf, size); | |
190 | } | |
191 | ||
192 | static void start_threads(struct grep_opt *opt) | |
193 | { | |
194 | int i; | |
195 | ||
196 | pthread_mutex_init(&grep_mutex, NULL); | |
b3aeb285 | 197 | pthread_mutex_init(&grep_read_mutex, NULL); |
0579f91d | 198 | pthread_mutex_init(&grep_attr_mutex, NULL); |
5b594f45 FK |
199 | pthread_cond_init(&cond_add, NULL); |
200 | pthread_cond_init(&cond_write, NULL); | |
201 | pthread_cond_init(&cond_result, NULL); | |
78db6ea9 | 202 | grep_use_locks = 1; |
5b594f45 FK |
203 | |
204 | for (i = 0; i < ARRAY_SIZE(todo); i++) { | |
205 | strbuf_init(&todo[i].out, 0); | |
206 | } | |
207 | ||
208 | for (i = 0; i < ARRAY_SIZE(threads); i++) { | |
209 | int err; | |
210 | struct grep_opt *o = grep_opt_dup(opt); | |
211 | o->output = strbuf_out; | |
212 | compile_grep_patterns(o); | |
213 | err = pthread_create(&threads[i], NULL, run, o); | |
214 | ||
215 | if (err) | |
2fc5f9f1 | 216 | die(_("grep: failed to create thread: %s"), |
5b594f45 FK |
217 | strerror(err)); |
218 | } | |
219 | } | |
220 | ||
221 | static int wait_all(void) | |
222 | { | |
223 | int hit = 0; | |
224 | int i; | |
225 | ||
226 | grep_lock(); | |
227 | all_work_added = 1; | |
228 | ||
229 | /* Wait until all work is done. */ | |
230 | while (todo_done != todo_end) | |
231 | pthread_cond_wait(&cond_result, &grep_mutex); | |
232 | ||
233 | /* Wake up all the consumer threads so they can see that there | |
234 | * is no more work to do. | |
235 | */ | |
236 | pthread_cond_broadcast(&cond_add); | |
237 | grep_unlock(); | |
238 | ||
239 | for (i = 0; i < ARRAY_SIZE(threads); i++) { | |
240 | void *h; | |
241 | pthread_join(threads[i], &h); | |
242 | hit |= (int) (intptr_t) h; | |
243 | } | |
244 | ||
245 | pthread_mutex_destroy(&grep_mutex); | |
b3aeb285 | 246 | pthread_mutex_destroy(&grep_read_mutex); |
0579f91d | 247 | pthread_mutex_destroy(&grep_attr_mutex); |
5b594f45 FK |
248 | pthread_cond_destroy(&cond_add); |
249 | pthread_cond_destroy(&cond_write); | |
250 | pthread_cond_destroy(&cond_result); | |
78db6ea9 | 251 | grep_use_locks = 0; |
5b594f45 FK |
252 | |
253 | return hit; | |
254 | } | |
255 | #else /* !NO_PTHREADS */ | |
5b594f45 FK |
256 | |
257 | static int wait_all(void) | |
258 | { | |
259 | return 0; | |
260 | } | |
261 | #endif | |
262 | ||
84befcd0 S |
263 | static int parse_pattern_type_arg(const char *opt, const char *arg) |
264 | { | |
265 | if (!strcmp(arg, "default")) | |
266 | return GREP_PATTERN_TYPE_UNSPECIFIED; | |
267 | else if (!strcmp(arg, "basic")) | |
268 | return GREP_PATTERN_TYPE_BRE; | |
269 | else if (!strcmp(arg, "extended")) | |
270 | return GREP_PATTERN_TYPE_ERE; | |
271 | else if (!strcmp(arg, "fixed")) | |
272 | return GREP_PATTERN_TYPE_FIXED; | |
273 | else if (!strcmp(arg, "perl")) | |
274 | return GREP_PATTERN_TYPE_PCRE; | |
275 | die("bad %s argument: %s", opt, arg); | |
276 | } | |
277 | ||
278 | static void grep_pattern_type_options(const int pattern_type, struct grep_opt *opt) | |
279 | { | |
280 | switch (pattern_type) { | |
281 | case GREP_PATTERN_TYPE_UNSPECIFIED: | |
282 | /* fall through */ | |
283 | ||
284 | case GREP_PATTERN_TYPE_BRE: | |
285 | opt->fixed = 0; | |
286 | opt->pcre = 0; | |
287 | opt->regflags &= ~REG_EXTENDED; | |
288 | break; | |
289 | ||
290 | case GREP_PATTERN_TYPE_ERE: | |
291 | opt->fixed = 0; | |
292 | opt->pcre = 0; | |
293 | opt->regflags |= REG_EXTENDED; | |
294 | break; | |
295 | ||
296 | case GREP_PATTERN_TYPE_FIXED: | |
297 | opt->fixed = 1; | |
298 | opt->pcre = 0; | |
299 | opt->regflags &= ~REG_EXTENDED; | |
300 | break; | |
301 | ||
302 | case GREP_PATTERN_TYPE_PCRE: | |
303 | opt->fixed = 0; | |
304 | opt->pcre = 1; | |
305 | opt->regflags &= ~REG_EXTENDED; | |
306 | break; | |
307 | } | |
308 | } | |
309 | ||
7e8f59d5 RS |
310 | static int grep_config(const char *var, const char *value, void *cb) |
311 | { | |
312 | struct grep_opt *opt = cb; | |
55f638bd | 313 | char *color = NULL; |
7e8f59d5 | 314 | |
6680a087 JK |
315 | if (userdiff_config(var, value) < 0) |
316 | return -1; | |
60ecac98 | 317 | |
b22520a3 JR |
318 | if (!strcmp(var, "grep.extendedregexp")) { |
319 | if (git_config_bool(var, value)) | |
84befcd0 | 320 | opt->extended_regexp_option = 1; |
b22520a3 | 321 | else |
84befcd0 | 322 | opt->extended_regexp_option = 0; |
b22520a3 JR |
323 | return 0; |
324 | } | |
325 | ||
84befcd0 S |
326 | if (!strcmp(var, "grep.patterntype")) { |
327 | opt->pattern_type_option = parse_pattern_type_arg(var, value); | |
328 | return 0; | |
329 | } | |
330 | ||
b22520a3 JR |
331 | if (!strcmp(var, "grep.linenumber")) { |
332 | opt->linenum = git_config_bool(var, value); | |
333 | return 0; | |
334 | } | |
335 | ||
55f638bd | 336 | if (!strcmp(var, "color.grep")) |
e269eb79 | 337 | opt->color = git_config_colorbool(var, value); |
00588bb5 ML |
338 | else if (!strcmp(var, "color.grep.context")) |
339 | color = opt->color_context; | |
55f638bd ML |
340 | else if (!strcmp(var, "color.grep.filename")) |
341 | color = opt->color_filename; | |
00588bb5 ML |
342 | else if (!strcmp(var, "color.grep.function")) |
343 | color = opt->color_function; | |
55f638bd ML |
344 | else if (!strcmp(var, "color.grep.linenumber")) |
345 | color = opt->color_lineno; | |
346 | else if (!strcmp(var, "color.grep.match")) | |
347 | color = opt->color_match; | |
00588bb5 ML |
348 | else if (!strcmp(var, "color.grep.selected")) |
349 | color = opt->color_selected; | |
55f638bd ML |
350 | else if (!strcmp(var, "color.grep.separator")) |
351 | color = opt->color_sep; | |
352 | else | |
353 | return git_color_default_config(var, value, cb); | |
354 | if (color) { | |
7e8f59d5 RS |
355 | if (!value) |
356 | return config_error_nonbool(var); | |
55f638bd | 357 | color_parse(value, var, color); |
7e8f59d5 | 358 | } |
55f638bd | 359 | return 0; |
7e8f59d5 RS |
360 | } |
361 | ||
5f02d315 JH |
362 | static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size) |
363 | { | |
364 | void *data; | |
365 | ||
b3aeb285 | 366 | grep_read_lock(); |
76416139 | 367 | data = read_sha1_file(sha1, type, size); |
b3aeb285 | 368 | grep_read_unlock(); |
5b594f45 FK |
369 | return data; |
370 | } | |
371 | ||
372 | static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1, | |
373 | const char *filename, int tree_name_len) | |
374 | { | |
375 | struct strbuf pathbuf = STRBUF_INIT; | |
5b594f45 | 376 | |
0d042fec | 377 | if (opt->relative && opt->prefix_length) { |
5b594f45 FK |
378 | quote_path_relative(filename + tree_name_len, -1, &pathbuf, |
379 | opt->prefix); | |
380 | strbuf_insert(&pathbuf, 0, filename, tree_name_len); | |
381 | } else { | |
382 | strbuf_addstr(&pathbuf, filename); | |
383 | } | |
384 | ||
5b594f45 FK |
385 | #ifndef NO_PTHREADS |
386 | if (use_threads) { | |
9dd5245c | 387 | add_work(opt, GREP_SOURCE_SHA1, pathbuf.buf, sha1); |
8f24a632 | 388 | strbuf_release(&pathbuf); |
5b594f45 FK |
389 | return 0; |
390 | } else | |
391 | #endif | |
392 | { | |
8f24a632 | 393 | struct grep_source gs; |
5b594f45 | 394 | int hit; |
5010cb5f | 395 | |
8f24a632 JK |
396 | grep_source_init(&gs, GREP_SOURCE_SHA1, pathbuf.buf, sha1); |
397 | strbuf_release(&pathbuf); | |
398 | hit = grep_source(opt, &gs); | |
dc49cd76 | 399 | |
8f24a632 JK |
400 | grep_source_clear(&gs); |
401 | return hit; | |
5010cb5f | 402 | } |
5b594f45 FK |
403 | } |
404 | ||
405 | static int grep_file(struct grep_opt *opt, const char *filename) | |
406 | { | |
407 | struct strbuf buf = STRBUF_INIT; | |
5b594f45 | 408 | |
0d042fec | 409 | if (opt->relative && opt->prefix_length) |
5b594f45 FK |
410 | quote_path_relative(filename, -1, &buf, opt->prefix); |
411 | else | |
412 | strbuf_addstr(&buf, filename); | |
5b594f45 FK |
413 | |
414 | #ifndef NO_PTHREADS | |
415 | if (use_threads) { | |
9dd5245c | 416 | add_work(opt, GREP_SOURCE_FILE, buf.buf, filename); |
8f24a632 | 417 | strbuf_release(&buf); |
5b594f45 FK |
418 | return 0; |
419 | } else | |
420 | #endif | |
421 | { | |
8f24a632 | 422 | struct grep_source gs; |
5b594f45 | 423 | int hit; |
5b594f45 | 424 | |
8f24a632 JK |
425 | grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename); |
426 | strbuf_release(&buf); | |
427 | hit = grep_source(opt, &gs); | |
428 | ||
429 | grep_source_clear(&gs); | |
5b594f45 FK |
430 | return hit; |
431 | } | |
5010cb5f JH |
432 | } |
433 | ||
678e484b JS |
434 | static void append_path(struct grep_opt *opt, const void *data, size_t len) |
435 | { | |
436 | struct string_list *path_list = opt->output_priv; | |
437 | ||
438 | if (len == 1 && *(const char *)data == '\0') | |
439 | return; | |
0c72cead | 440 | string_list_append(path_list, xstrndup(data, len)); |
678e484b JS |
441 | } |
442 | ||
443 | static void run_pager(struct grep_opt *opt, const char *prefix) | |
444 | { | |
445 | struct string_list *path_list = opt->output_priv; | |
446 | const char **argv = xmalloc(sizeof(const char *) * (path_list->nr + 1)); | |
447 | int i, status; | |
448 | ||
449 | for (i = 0; i < path_list->nr; i++) | |
450 | argv[i] = path_list->items[i].string; | |
451 | argv[path_list->nr] = NULL; | |
452 | ||
453 | if (prefix && chdir(prefix)) | |
2fc5f9f1 | 454 | die(_("Failed to chdir: %s"), prefix); |
678e484b JS |
455 | status = run_command_v_opt(argv, RUN_USING_SHELL); |
456 | if (status) | |
457 | exit(status); | |
458 | free(argv); | |
459 | } | |
460 | ||
f34bbc15 | 461 | static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int cached) |
5010cb5f JH |
462 | { |
463 | int hit = 0; | |
464 | int nr; | |
465 | read_cache(); | |
466 | ||
467 | for (nr = 0; nr < active_nr; nr++) { | |
468 | struct cache_entry *ce = active_cache[nr]; | |
7a51ed66 | 469 | if (!S_ISREG(ce->ce_mode)) |
5010cb5f | 470 | continue; |
2ed2437a | 471 | if (!match_pathspec_depth(pathspec, ce->name, ce_namelen(ce), 0, NULL)) |
5010cb5f | 472 | continue; |
57d43466 NTND |
473 | /* |
474 | * If CE_VALID is on, we assume worktree file and its cache entry | |
475 | * are identical, even if worktree file has been modified, so use | |
476 | * cache version instead | |
477 | */ | |
b4d1690d | 478 | if (cached || (ce->ce_flags & CE_VALID) || ce_skip_worktree(ce)) { |
36f2587f JH |
479 | if (ce_stage(ce)) |
480 | continue; | |
0d042fec | 481 | hit |= grep_sha1(opt, ce->sha1, ce->name, 0); |
36f2587f | 482 | } |
5010cb5f JH |
483 | else |
484 | hit |= grep_file(opt, ce->name); | |
36f2587f JH |
485 | if (ce_stage(ce)) { |
486 | do { | |
487 | nr++; | |
488 | } while (nr < active_nr && | |
489 | !strcmp(ce->name, active_cache[nr]->name)); | |
490 | nr--; /* compensate for loop control */ | |
491 | } | |
c8610a2e JH |
492 | if (hit && opt->status_only) |
493 | break; | |
5010cb5f JH |
494 | } |
495 | return hit; | |
496 | } | |
497 | ||
f34bbc15 | 498 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, |
e5e062b6 | 499 | struct tree_desc *tree, struct strbuf *base, int tn_len) |
5010cb5f | 500 | { |
d688cf07 NTND |
501 | int hit = 0; |
502 | enum interesting match = entry_not_interesting; | |
4c068a98 | 503 | struct name_entry entry; |
e5e062b6 | 504 | int old_baselen = base->len; |
5010cb5f | 505 | |
4c068a98 | 506 | while (tree_entry(tree, &entry)) { |
0de16337 | 507 | int te_len = tree_entry_len(&entry); |
e5e062b6 | 508 | |
d688cf07 | 509 | if (match != all_entries_interesting) { |
97d0b74a | 510 | match = tree_entry_interesting(&entry, base, tn_len, pathspec); |
d688cf07 | 511 | if (match == all_entries_not_interesting) |
97d0b74a | 512 | break; |
d688cf07 | 513 | if (match == entry_not_interesting) |
1376e507 NTND |
514 | continue; |
515 | } | |
5010cb5f | 516 | |
1376e507 | 517 | strbuf_add(base, entry.path, te_len); |
e0eb889f | 518 | |
1376e507 | 519 | if (S_ISREG(entry.mode)) { |
e5e062b6 NTND |
520 | hit |= grep_sha1(opt, entry.sha1, base->buf, tn_len); |
521 | } | |
4c068a98 | 522 | else if (S_ISDIR(entry.mode)) { |
21666f1a | 523 | enum object_type type; |
5010cb5f JH |
524 | struct tree_desc sub; |
525 | void *data; | |
6fda5e51 LT |
526 | unsigned long size; |
527 | ||
5f02d315 | 528 | data = lock_and_read_sha1_file(entry.sha1, &type, &size); |
5010cb5f | 529 | if (!data) |
2fc5f9f1 | 530 | die(_("unable to read tree (%s)"), |
4c068a98 | 531 | sha1_to_hex(entry.sha1)); |
1376e507 NTND |
532 | |
533 | strbuf_addch(base, '/'); | |
6fda5e51 | 534 | init_tree_desc(&sub, data, size); |
e5e062b6 | 535 | hit |= grep_tree(opt, pathspec, &sub, base, tn_len); |
5010cb5f JH |
536 | free(data); |
537 | } | |
e5e062b6 NTND |
538 | strbuf_setlen(base, old_baselen); |
539 | ||
c8610a2e JH |
540 | if (hit && opt->status_only) |
541 | break; | |
5010cb5f JH |
542 | } |
543 | return hit; | |
544 | } | |
545 | ||
f34bbc15 | 546 | static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, |
5010cb5f JH |
547 | struct object *obj, const char *name) |
548 | { | |
1974632c | 549 | if (obj->type == OBJ_BLOB) |
0d042fec | 550 | return grep_sha1(opt, obj->sha1, name, 0); |
1974632c | 551 | if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { |
5010cb5f JH |
552 | struct tree_desc tree; |
553 | void *data; | |
6fda5e51 | 554 | unsigned long size; |
e5e062b6 NTND |
555 | struct strbuf base; |
556 | int hit, len; | |
557 | ||
b3aeb285 | 558 | grep_read_lock(); |
5010cb5f | 559 | data = read_object_with_reference(obj->sha1, tree_type, |
6fda5e51 | 560 | &size, NULL); |
b3aeb285 | 561 | grep_read_unlock(); |
8cb5775b | 562 | |
5010cb5f | 563 | if (!data) |
2fc5f9f1 | 564 | die(_("unable to read tree (%s)"), sha1_to_hex(obj->sha1)); |
e5e062b6 NTND |
565 | |
566 | len = name ? strlen(name) : 0; | |
567 | strbuf_init(&base, PATH_MAX + len + 1); | |
568 | if (len) { | |
569 | strbuf_add(&base, name, len); | |
570 | strbuf_addch(&base, ':'); | |
571 | } | |
6fda5e51 | 572 | init_tree_desc(&tree, data, size); |
e5e062b6 NTND |
573 | hit = grep_tree(opt, pathspec, &tree, &base, base.len); |
574 | strbuf_release(&base); | |
5010cb5f JH |
575 | free(data); |
576 | return hit; | |
577 | } | |
2fc5f9f1 | 578 | die(_("unable to grep from object of type %s"), typename(obj->type)); |
5010cb5f JH |
579 | } |
580 | ||
f34bbc15 | 581 | static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, |
30d00c39 JN |
582 | const struct object_array *list) |
583 | { | |
584 | unsigned int i; | |
585 | int hit = 0; | |
586 | const unsigned int nr = list->nr; | |
587 | ||
588 | for (i = 0; i < nr; i++) { | |
589 | struct object *real_obj; | |
590 | real_obj = deref_tag(list->objects[i].item, NULL, 0); | |
f34bbc15 | 591 | if (grep_object(opt, pathspec, real_obj, list->objects[i].name)) { |
30d00c39 JN |
592 | hit = 1; |
593 | if (opt->status_only) | |
594 | break; | |
595 | } | |
596 | } | |
597 | return hit; | |
598 | } | |
599 | ||
dbfae86a JH |
600 | static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, |
601 | int exc_std) | |
59332d13 JH |
602 | { |
603 | struct dir_struct dir; | |
604 | int i, hit = 0; | |
605 | ||
606 | memset(&dir, 0, sizeof(dir)); | |
0a93fb8a JH |
607 | if (exc_std) |
608 | setup_standard_excludes(&dir); | |
59332d13 | 609 | |
f34bbc15 | 610 | fill_directory(&dir, pathspec->raw); |
59332d13 | 611 | for (i = 0; i < dir.nr; i++) { |
9d8b831b JH |
612 | const char *name = dir.entries[i]->name; |
613 | int namelen = strlen(name); | |
614 | if (!match_pathspec_depth(pathspec, name, namelen, 0, NULL)) | |
615 | continue; | |
59332d13 JH |
616 | hit |= grep_file(opt, dir.entries[i]->name); |
617 | if (hit && opt->status_only) | |
618 | break; | |
619 | } | |
59332d13 JH |
620 | return hit; |
621 | } | |
622 | ||
ff3c7f9a RS |
623 | static int context_callback(const struct option *opt, const char *arg, |
624 | int unset) | |
3e230fa1 RS |
625 | { |
626 | struct grep_opt *grep_opt = opt->value; | |
627 | int value; | |
628 | const char *endp; | |
629 | ||
630 | if (unset) { | |
631 | grep_opt->pre_context = grep_opt->post_context = 0; | |
632 | return 0; | |
633 | } | |
634 | value = strtol(arg, (char **)&endp, 10); | |
635 | if (*endp) { | |
2fc5f9f1 | 636 | return error(_("switch `%c' expects a numerical value"), |
3e230fa1 RS |
637 | opt->short_name); |
638 | } | |
639 | grep_opt->pre_context = grep_opt->post_context = value; | |
640 | return 0; | |
641 | } | |
642 | ||
ff3c7f9a | 643 | static int file_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
644 | { |
645 | struct grep_opt *grep_opt = opt->value; | |
c41dd2fd | 646 | int from_stdin = !strcmp(arg, "-"); |
3e230fa1 RS |
647 | FILE *patterns; |
648 | int lno = 0; | |
cfe370c6 | 649 | struct strbuf sb = STRBUF_INIT; |
3e230fa1 | 650 | |
c41dd2fd | 651 | patterns = from_stdin ? stdin : fopen(arg, "r"); |
3e230fa1 | 652 | if (!patterns) |
2fc5f9f1 | 653 | die_errno(_("cannot open '%s'"), arg); |
3e230fa1 RS |
654 | while (strbuf_getline(&sb, patterns, '\n') == 0) { |
655 | /* ignore empty line like grep does */ | |
656 | if (sb.len == 0) | |
657 | continue; | |
ed40a095 | 658 | |
ec830611 RS |
659 | append_grep_pat(grep_opt, sb.buf, sb.len, arg, ++lno, |
660 | GREP_PATTERN); | |
3e230fa1 | 661 | } |
c41dd2fd RS |
662 | if (!from_stdin) |
663 | fclose(patterns); | |
3e230fa1 RS |
664 | strbuf_release(&sb); |
665 | return 0; | |
666 | } | |
667 | ||
ff3c7f9a | 668 | static int not_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
669 | { |
670 | struct grep_opt *grep_opt = opt->value; | |
671 | append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); | |
672 | return 0; | |
673 | } | |
674 | ||
ff3c7f9a | 675 | static int and_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
676 | { |
677 | struct grep_opt *grep_opt = opt->value; | |
678 | append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); | |
679 | return 0; | |
680 | } | |
681 | ||
ff3c7f9a | 682 | static int open_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
683 | { |
684 | struct grep_opt *grep_opt = opt->value; | |
685 | append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); | |
686 | return 0; | |
687 | } | |
688 | ||
ff3c7f9a | 689 | static int close_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
690 | { |
691 | struct grep_opt *grep_opt = opt->value; | |
692 | append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); | |
693 | return 0; | |
694 | } | |
695 | ||
ff3c7f9a RS |
696 | static int pattern_callback(const struct option *opt, const char *arg, |
697 | int unset) | |
3e230fa1 RS |
698 | { |
699 | struct grep_opt *grep_opt = opt->value; | |
700 | append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); | |
701 | return 0; | |
702 | } | |
5010cb5f | 703 | |
ff3c7f9a | 704 | static int help_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
705 | { |
706 | return -1; | |
707 | } | |
088b084b | 708 | |
a633fca0 | 709 | int cmd_grep(int argc, const char **argv, const char *prefix) |
5010cb5f | 710 | { |
5010cb5f | 711 | int hit = 0; |
0a93fb8a | 712 | int cached = 0, untracked = 0, opt_exclude = -1; |
5acd64ed | 713 | int seen_dashdash = 0; |
bbc09c22 | 714 | int external_grep_allowed__ignored; |
0af88c15 | 715 | const char *show_in_pager = NULL, *default_pager = "dummy"; |
5010cb5f | 716 | struct grep_opt opt; |
3cd47459 | 717 | struct object_array list = OBJECT_ARRAY_INIT; |
1362671f | 718 | const char **paths = NULL; |
f34bbc15 | 719 | struct pathspec pathspec; |
183113a5 | 720 | struct string_list path_list = STRING_LIST_INIT_NODUP; |
5acd64ed | 721 | int i; |
3e230fa1 | 722 | int dummy; |
ff38d1a9 | 723 | int use_index = 1; |
84befcd0 | 724 | int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED; |
cca2c172 | 725 | |
3e230fa1 RS |
726 | struct option options[] = { |
727 | OPT_BOOLEAN(0, "cached", &cached, | |
728 | "search in index instead of in the work tree"), | |
cbb08c2e RS |
729 | OPT_NEGBIT(0, "no-index", &use_index, |
730 | "finds in contents not managed by git", 1), | |
0a93fb8a JH |
731 | OPT_BOOLEAN(0, "untracked", &untracked, |
732 | "search in both tracked and untracked files"), | |
733 | OPT_SET_INT(0, "exclude-standard", &opt_exclude, | |
734 | "search also in ignored files", 1), | |
3e230fa1 RS |
735 | OPT_GROUP(""), |
736 | OPT_BOOLEAN('v', "invert-match", &opt.invert, | |
737 | "show non-matching lines"), | |
5183bf67 BC |
738 | OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case, |
739 | "case insensitive matching"), | |
3e230fa1 RS |
740 | OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp, |
741 | "match patterns only at word boundaries"), | |
742 | OPT_SET_INT('a', "text", &opt.binary, | |
743 | "process binary files as text", GREP_BINARY_TEXT), | |
744 | OPT_SET_INT('I', NULL, &opt.binary, | |
745 | "don't match patterns in binary files", | |
746 | GREP_BINARY_NOMATCH), | |
a91f453f MK |
747 | { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, "depth", |
748 | "descend at most <depth> levels", PARSE_OPT_NONEG, | |
749 | NULL, 1 }, | |
3e230fa1 | 750 | OPT_GROUP(""), |
84befcd0 | 751 | OPT_SET_INT('E', "extended-regexp", &pattern_type_arg, |
cca2c172 | 752 | "use extended POSIX regular expressions", |
84befcd0 S |
753 | GREP_PATTERN_TYPE_ERE), |
754 | OPT_SET_INT('G', "basic-regexp", &pattern_type_arg, | |
cca2c172 | 755 | "use basic POSIX regular expressions (default)", |
84befcd0 S |
756 | GREP_PATTERN_TYPE_BRE), |
757 | OPT_SET_INT('F', "fixed-strings", &pattern_type_arg, | |
cca2c172 | 758 | "interpret patterns as fixed strings", |
84befcd0 S |
759 | GREP_PATTERN_TYPE_FIXED), |
760 | OPT_SET_INT('P', "perl-regexp", &pattern_type_arg, | |
cca2c172 | 761 | "use Perl-compatible regular expressions", |
84befcd0 | 762 | GREP_PATTERN_TYPE_PCRE), |
3e230fa1 | 763 | OPT_GROUP(""), |
7d6cb10b | 764 | OPT_BOOLEAN('n', "line-number", &opt.linenum, "show line numbers"), |
3e230fa1 RS |
765 | OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1), |
766 | OPT_BIT('H', NULL, &opt.pathname, "show filenames", 1), | |
767 | OPT_NEGBIT(0, "full-name", &opt.relative, | |
768 | "show filenames relative to top directory", 1), | |
769 | OPT_BOOLEAN('l', "files-with-matches", &opt.name_only, | |
770 | "show only filenames instead of matching lines"), | |
771 | OPT_BOOLEAN(0, "name-only", &opt.name_only, | |
772 | "synonym for --files-with-matches"), | |
773 | OPT_BOOLEAN('L', "files-without-match", | |
774 | &opt.unmatch_name_only, | |
775 | "show only the names of files without match"), | |
776 | OPT_BOOLEAN('z', "null", &opt.null_following_name, | |
777 | "print NUL after filenames"), | |
778 | OPT_BOOLEAN('c', "count", &opt.count, | |
779 | "show the number of matches instead of matching lines"), | |
73e9da01 | 780 | OPT__COLOR(&opt.color, "highlight matches"), |
a8f0e764 RS |
781 | OPT_BOOLEAN(0, "break", &opt.file_break, |
782 | "print empty line between matches from different files"), | |
1d84f72e RS |
783 | OPT_BOOLEAN(0, "heading", &opt.heading, |
784 | "show filename only once above matches from same file"), | |
3e230fa1 | 785 | OPT_GROUP(""), |
317f63c2 | 786 | OPT_CALLBACK('C', "context", &opt, "n", |
3e230fa1 RS |
787 | "show <n> context lines before and after matches", |
788 | context_callback), | |
317f63c2 | 789 | OPT_INTEGER('B', "before-context", &opt.pre_context, |
3e230fa1 | 790 | "show <n> context lines before matches"), |
317f63c2 | 791 | OPT_INTEGER('A', "after-context", &opt.post_context, |
3e230fa1 RS |
792 | "show <n> context lines after matches"), |
793 | OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM", | |
794 | context_callback), | |
2944e4e6 RS |
795 | OPT_BOOLEAN('p', "show-function", &opt.funcname, |
796 | "show a line with the function name before matches"), | |
317f63c2 | 797 | OPT_BOOLEAN('W', "function-context", &opt.funcbody, |
ba8ea749 | 798 | "show the surrounding function"), |
3e230fa1 RS |
799 | OPT_GROUP(""), |
800 | OPT_CALLBACK('f', NULL, &opt, "file", | |
801 | "read patterns from file", file_callback), | |
802 | { OPTION_CALLBACK, 'e', NULL, &opt, "pattern", | |
803 | "match <pattern>", PARSE_OPT_NONEG, pattern_callback }, | |
804 | { OPTION_CALLBACK, 0, "and", &opt, NULL, | |
805 | "combine patterns specified with -e", | |
806 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback }, | |
807 | OPT_BOOLEAN(0, "or", &dummy, ""), | |
808 | { OPTION_CALLBACK, 0, "not", &opt, NULL, "", | |
809 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback }, | |
810 | { OPTION_CALLBACK, '(', NULL, &opt, NULL, "", | |
811 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
812 | open_callback }, | |
813 | { OPTION_CALLBACK, ')', NULL, &opt, NULL, "", | |
814 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
815 | close_callback }, | |
d52ee6e6 RS |
816 | OPT__QUIET(&opt.status_only, |
817 | "indicate hit with exit status without output"), | |
3e230fa1 RS |
818 | OPT_BOOLEAN(0, "all-match", &opt.all_match, |
819 | "show only matches from files that match all patterns"), | |
820 | OPT_GROUP(""), | |
0af88c15 JS |
821 | { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, |
822 | "pager", "show matching files in the pager", | |
823 | PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager }, | |
bbc09c22 JH |
824 | OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored, |
825 | "allow calling of grep(1) (ignored by this build)"), | |
3e230fa1 RS |
826 | { OPTION_CALLBACK, 0, "help-all", &options, NULL, "show usage", |
827 | PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback }, | |
828 | OPT_END() | |
829 | }; | |
5010cb5f | 830 | |
9c855c31 JN |
831 | /* |
832 | * 'git grep -h', unlike 'git grep -h <pattern>', is a request | |
833 | * to show usage information and exit. | |
834 | */ | |
835 | if (argc == 2 && !strcmp(argv[1], "-h")) | |
836 | usage_with_options(grep_usage, options); | |
837 | ||
5010cb5f | 838 | memset(&opt, 0, sizeof(opt)); |
493b7a08 | 839 | opt.prefix = prefix; |
0d042fec JH |
840 | opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0; |
841 | opt.relative = 1; | |
7977f0ea | 842 | opt.pathname = 1; |
f9b9faf6 | 843 | opt.pattern_tail = &opt.pattern_list; |
80235ba7 | 844 | opt.header_tail = &opt.header_list; |
5010cb5f | 845 | opt.regflags = REG_NEWLINE; |
a91f453f | 846 | opt.max_depth = -1; |
84befcd0 S |
847 | opt.pattern_type_option = GREP_PATTERN_TYPE_UNSPECIFIED; |
848 | opt.extended_regexp_option = 0; | |
5010cb5f | 849 | |
00588bb5 | 850 | strcpy(opt.color_context, ""); |
55f638bd | 851 | strcpy(opt.color_filename, ""); |
00588bb5 | 852 | strcpy(opt.color_function, ""); |
55f638bd | 853 | strcpy(opt.color_lineno, ""); |
758df17a | 854 | strcpy(opt.color_match, GIT_COLOR_BOLD_RED); |
00588bb5 | 855 | strcpy(opt.color_selected, ""); |
55f638bd | 856 | strcpy(opt.color_sep, GIT_COLOR_CYAN); |
7e8f59d5 RS |
857 | opt.color = -1; |
858 | git_config(grep_config, &opt); | |
7e8f59d5 | 859 | |
5010cb5f | 860 | /* |
5acd64ed JH |
861 | * If there is no -- then the paths must exist in the working |
862 | * tree. If there is no explicit pattern specified with -e or | |
863 | * -f, we take the first unrecognized non option to be the | |
864 | * pattern, but then what follows it must be zero or more | |
865 | * valid refs up to the -- (if exists), and then existing | |
866 | * paths. If there is an explicit pattern, then the first | |
82e5a82f | 867 | * unrecognized non option is the beginning of the refs list |
5acd64ed | 868 | * that continues up to the -- (if exists), and then paths. |
5010cb5f | 869 | */ |
37782920 | 870 | argc = parse_options(argc, argv, prefix, options, grep_usage, |
3e230fa1 RS |
871 | PARSE_OPT_KEEP_DASHDASH | |
872 | PARSE_OPT_STOP_AT_NON_OPTION | | |
873 | PARSE_OPT_NO_INTERNAL_HELP); | |
84befcd0 S |
874 | |
875 | if (pattern_type_arg != GREP_PATTERN_TYPE_UNSPECIFIED) | |
876 | grep_pattern_type_options(pattern_type_arg, &opt); | |
877 | else if (opt.pattern_type_option != GREP_PATTERN_TYPE_UNSPECIFIED) | |
878 | grep_pattern_type_options(opt.pattern_type_option, &opt); | |
879 | else if (opt.extended_regexp_option) | |
880 | grep_pattern_type_options(GREP_PATTERN_TYPE_ERE, &opt); | |
3e230fa1 | 881 | |
ff38d1a9 | 882 | if (use_index && !startup_info->have_repository) |
59332d13 JH |
883 | /* die the same way as if we did it at the beginning */ |
884 | setup_git_directory(); | |
885 | ||
1123c67c JK |
886 | /* |
887 | * skip a -- separator; we know it cannot be | |
888 | * separating revisions from pathnames if | |
889 | * we haven't even had any patterns yet | |
890 | */ | |
891 | if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) { | |
892 | argv++; | |
893 | argc--; | |
894 | } | |
895 | ||
3e230fa1 RS |
896 | /* First unrecognized non-option token */ |
897 | if (argc > 0 && !opt.pattern_list) { | |
898 | append_grep_pattern(&opt, argv[0], "command line", 0, | |
899 | GREP_PATTERN); | |
900 | argv++; | |
901 | argc--; | |
5010cb5f | 902 | } |
5acd64ed | 903 | |
0af88c15 JS |
904 | if (show_in_pager == default_pager) |
905 | show_in_pager = git_pager(1); | |
678e484b | 906 | if (show_in_pager) { |
e7b082a4 | 907 | opt.color = 0; |
0af88c15 JS |
908 | opt.name_only = 1; |
909 | opt.null_following_name = 1; | |
910 | opt.output_priv = &path_list; | |
911 | opt.output = append_path; | |
0c72cead | 912 | string_list_append(&path_list, show_in_pager); |
0af88c15 | 913 | use_threads = 0; |
678e484b JS |
914 | } |
915 | ||
f9b9faf6 | 916 | if (!opt.pattern_list) |
2fc5f9f1 | 917 | die(_("no pattern given.")); |
5183bf67 BC |
918 | if (!opt.fixed && opt.ignore_case) |
919 | opt.regflags |= REG_ICASE; | |
5b594f45 | 920 | |
83b5d2f5 | 921 | compile_grep_patterns(&opt); |
5acd64ed JH |
922 | |
923 | /* Check revs and then paths */ | |
3e230fa1 | 924 | for (i = 0; i < argc; i++) { |
5acd64ed | 925 | const char *arg = argv[i]; |
1362671f | 926 | unsigned char sha1[20]; |
5acd64ed JH |
927 | /* Is it a rev? */ |
928 | if (!get_sha1(arg, sha1)) { | |
929 | struct object *object = parse_object(sha1); | |
5acd64ed | 930 | if (!object) |
2fc5f9f1 | 931 | die(_("bad object %s"), arg); |
1f1e895f | 932 | add_object_array(object, arg, &list); |
5acd64ed JH |
933 | continue; |
934 | } | |
935 | if (!strcmp(arg, "--")) { | |
936 | i++; | |
937 | seen_dashdash = 1; | |
938 | } | |
939 | break; | |
1362671f | 940 | } |
5acd64ed | 941 | |
53b8d931 TR |
942 | #ifndef NO_PTHREADS |
943 | if (list.nr || cached || online_cpus() == 1) | |
944 | use_threads = 0; | |
945 | #else | |
946 | use_threads = 0; | |
947 | #endif | |
948 | ||
53b8d931 TR |
949 | #ifndef NO_PTHREADS |
950 | if (use_threads) { | |
50dd0f2f AY |
951 | if (!(opt.name_only || opt.unmatch_name_only || opt.count) |
952 | && (opt.pre_context || opt.post_context || | |
953 | opt.file_break || opt.funcbody)) | |
53b8d931 TR |
954 | skip_first_line = 1; |
955 | start_threads(&opt); | |
956 | } | |
957 | #endif | |
958 | ||
5acd64ed JH |
959 | /* The rest are paths */ |
960 | if (!seen_dashdash) { | |
961 | int j; | |
c39c4f47 | 962 | for (j = i; j < argc; j++) |
023e37c3 | 963 | verify_filename(prefix, argv[j], j == i); |
5acd64ed JH |
964 | } |
965 | ||
7c5f3cc4 | 966 | paths = get_pathspec(prefix, argv + i); |
f34bbc15 | 967 | init_pathspec(&pathspec, paths); |
1376e507 NTND |
968 | pathspec.max_depth = opt.max_depth; |
969 | pathspec.recursive = 1; | |
5010cb5f | 970 | |
678e484b | 971 | if (show_in_pager && (cached || list.nr)) |
e4fe4ba5 | 972 | die(_("--open-files-in-pager only works on the worktree")); |
678e484b JS |
973 | |
974 | if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) { | |
975 | const char *pager = path_list.items[0].string; | |
976 | int len = strlen(pager); | |
977 | ||
978 | if (len > 4 && is_dir_sep(pager[len - 5])) | |
979 | pager += len - 4; | |
980 | ||
981 | if (!strcmp("less", pager) || !strcmp("vi", pager)) { | |
982 | struct strbuf buf = STRBUF_INIT; | |
983 | strbuf_addf(&buf, "+/%s%s", | |
984 | strcmp("less", pager) ? "" : "*", | |
985 | opt.pattern_list->pattern); | |
0c72cead | 986 | string_list_append(&path_list, buf.buf); |
678e484b JS |
987 | strbuf_detach(&buf, NULL); |
988 | } | |
989 | } | |
990 | ||
991 | if (!show_in_pager) | |
992 | setup_pager(); | |
993 | ||
0a93fb8a | 994 | if (!use_index && (untracked || cached)) |
dbfae86a | 995 | die(_("--cached or --untracked cannot be used with --no-index.")); |
678e484b | 996 | |
0a93fb8a | 997 | if (!use_index || untracked) { |
0a93fb8a | 998 | int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; |
59332d13 | 999 | if (list.nr) |
dbfae86a JH |
1000 | die(_("--no-index or --untracked cannot be used with revs.")); |
1001 | hit = grep_directory(&opt, &pathspec, use_exclude); | |
1002 | } else if (0 <= opt_exclude) { | |
9fddaf78 | 1003 | die(_("--[no-]exclude-standard cannot be used for tracked contents.")); |
685359cf | 1004 | } else if (!list.nr) { |
6577f542 NTND |
1005 | if (!cached) |
1006 | setup_work_tree(); | |
5b594f45 | 1007 | |
f34bbc15 | 1008 | hit = grep_cache(&opt, &pathspec, cached); |
685359cf JS |
1009 | } else { |
1010 | if (cached) | |
2fc5f9f1 | 1011 | die(_("both --cached and trees are given.")); |
f34bbc15 | 1012 | hit = grep_objects(&opt, &pathspec, &list); |
5010cb5f | 1013 | } |
5b594f45 FK |
1014 | |
1015 | if (use_threads) | |
1016 | hit |= wait_all(); | |
678e484b JS |
1017 | if (hit && show_in_pager) |
1018 | run_pager(&opt, prefix); | |
b48fb5b6 | 1019 | free_grep_patterns(&opt); |
5010cb5f JH |
1020 | return !hit; |
1021 | } |