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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" | |
627d9342 | 7 | #include "repository.h" |
b2141fc1 | 8 | #include "config.h" |
5010cb5f JH |
9 | #include "blob.h" |
10 | #include "tree.h" | |
11 | #include "commit.h" | |
12 | #include "tag.h" | |
1362671f | 13 | #include "tree-walk.h" |
5010cb5f | 14 | #include "builtin.h" |
3e230fa1 | 15 | #include "parse-options.h" |
678e484b JS |
16 | #include "string-list.h" |
17 | #include "run-command.h" | |
60ecac98 | 18 | #include "userdiff.h" |
83b5d2f5 | 19 | #include "grep.h" |
493b7a08 | 20 | #include "quote.h" |
59332d13 | 21 | #include "dir.h" |
64acde94 | 22 | #include "pathspec.h" |
0281e487 | 23 | #include "submodule.h" |
74ed4371 | 24 | #include "submodule-config.h" |
90c62155 | 25 | #include "object-store.h" |
5b594f45 | 26 | |
3e230fa1 | 27 | static char const * const grep_usage[] = { |
9c9b4f2f | 28 | N_("git grep [<options>] [-e] <pattern> [<rev>...] [[--] <path>...]"), |
3e230fa1 RS |
29 | NULL |
30 | }; | |
31 | ||
0281e487 | 32 | static int recurse_submodules; |
0281e487 | 33 | |
89f09dd3 VL |
34 | #define GREP_NUM_THREADS_DEFAULT 8 |
35 | static int num_threads; | |
5b594f45 | 36 | |
89f09dd3 | 37 | static pthread_t *threads; |
5b594f45 | 38 | |
5b594f45 FK |
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 { |
8f24a632 | 44 | struct grep_source source; |
5b594f45 FK |
45 | char done; |
46 | struct strbuf out; | |
47 | }; | |
48 | ||
49 | /* In the range [todo_done, todo_start) in 'todo' we have work_items | |
50 | * that have been or are processed by a consumer thread. We haven't | |
51 | * written the result for these to stdout yet. | |
52 | * | |
53 | * The work_items in [todo_start, todo_end) are waiting to be picked | |
54 | * up by a consumer thread. | |
55 | * | |
56 | * The ranges are modulo TODO_SIZE. | |
57 | */ | |
58 | #define TODO_SIZE 128 | |
59 | static struct work_item todo[TODO_SIZE]; | |
60 | static int todo_start; | |
61 | static int todo_end; | |
62 | static int todo_done; | |
63 | ||
64 | /* Has all work items been added? */ | |
65 | static int all_work_added; | |
66 | ||
67 | /* This lock protects all the variables above. */ | |
68 | static pthread_mutex_t grep_mutex; | |
69 | ||
1487a12b JH |
70 | static inline void grep_lock(void) |
71 | { | |
8df4c295 | 72 | pthread_mutex_lock(&grep_mutex); |
1487a12b JH |
73 | } |
74 | ||
75 | static inline void grep_unlock(void) | |
76 | { | |
8df4c295 | 77 | pthread_mutex_unlock(&grep_mutex); |
1487a12b JH |
78 | } |
79 | ||
5b594f45 FK |
80 | /* Signalled when a new work_item is added to todo. */ |
81 | static pthread_cond_t cond_add; | |
82 | ||
83 | /* Signalled when the result from one work_item is written to | |
84 | * stdout. | |
85 | */ | |
86 | static pthread_cond_t cond_write; | |
87 | ||
88 | /* Signalled when we are finished with everything. */ | |
89 | static pthread_cond_t cond_result; | |
90 | ||
08303c36 | 91 | static int skip_first_line; |
431d6e7b | 92 | |
e2e05d61 | 93 | static void add_work(struct grep_opt *opt, const struct grep_source *gs) |
5b594f45 FK |
94 | { |
95 | grep_lock(); | |
96 | ||
97 | while ((todo_end+1) % ARRAY_SIZE(todo) == todo_done) { | |
98 | pthread_cond_wait(&cond_write, &grep_mutex); | |
99 | } | |
100 | ||
e2e05d61 | 101 | todo[todo_end].source = *gs; |
9dd5245c | 102 | if (opt->binary != GREP_BINARY_TEXT) |
acd00ea0 NTND |
103 | grep_source_load_driver(&todo[todo_end].source, |
104 | opt->repo->index); | |
5b594f45 FK |
105 | todo[todo_end].done = 0; |
106 | strbuf_reset(&todo[todo_end].out); | |
107 | todo_end = (todo_end + 1) % ARRAY_SIZE(todo); | |
108 | ||
109 | pthread_cond_signal(&cond_add); | |
110 | grep_unlock(); | |
111 | } | |
112 | ||
113 | static struct work_item *get_work(void) | |
114 | { | |
115 | struct work_item *ret; | |
116 | ||
117 | grep_lock(); | |
118 | while (todo_start == todo_end && !all_work_added) { | |
119 | pthread_cond_wait(&cond_add, &grep_mutex); | |
120 | } | |
121 | ||
122 | if (todo_start == todo_end && all_work_added) { | |
123 | ret = NULL; | |
124 | } else { | |
125 | ret = &todo[todo_start]; | |
126 | todo_start = (todo_start + 1) % ARRAY_SIZE(todo); | |
127 | } | |
128 | grep_unlock(); | |
129 | return ret; | |
130 | } | |
131 | ||
5b594f45 FK |
132 | static void work_done(struct work_item *w) |
133 | { | |
134 | int old_done; | |
135 | ||
136 | grep_lock(); | |
137 | w->done = 1; | |
138 | old_done = todo_done; | |
139 | for(; todo[todo_done].done && todo_done != todo_start; | |
140 | todo_done = (todo_done+1) % ARRAY_SIZE(todo)) { | |
141 | w = &todo[todo_done]; | |
431d6e7b | 142 | if (w->out.len) { |
08303c36 RS |
143 | const char *p = w->out.buf; |
144 | size_t len = w->out.len; | |
145 | ||
146 | /* Skip the leading hunk mark of the first file. */ | |
147 | if (skip_first_line) { | |
148 | while (len) { | |
149 | len--; | |
150 | if (*p++ == '\n') | |
151 | break; | |
152 | } | |
153 | skip_first_line = 0; | |
154 | } | |
155 | ||
156 | write_or_die(1, p, len); | |
431d6e7b | 157 | } |
8f24a632 | 158 | grep_source_clear(&w->source); |
5b594f45 FK |
159 | } |
160 | ||
161 | if (old_done != todo_done) | |
162 | pthread_cond_signal(&cond_write); | |
163 | ||
164 | if (all_work_added && todo_done == todo_end) | |
165 | pthread_cond_signal(&cond_result); | |
166 | ||
167 | grep_unlock(); | |
168 | } | |
169 | ||
170 | static void *run(void *arg) | |
171 | { | |
172 | int hit = 0; | |
173 | struct grep_opt *opt = arg; | |
174 | ||
175 | while (1) { | |
176 | struct work_item *w = get_work(); | |
177 | if (!w) | |
178 | break; | |
179 | ||
180 | opt->output_priv = w; | |
f9ee2fcd | 181 | hit |= grep_source(opt, &w->source); |
8f24a632 | 182 | grep_source_clear_data(&w->source); |
5b594f45 FK |
183 | work_done(w); |
184 | } | |
bfac23d9 DM |
185 | free_grep_patterns(arg); |
186 | free(arg); | |
5b594f45 FK |
187 | |
188 | return (void*) (intptr_t) hit; | |
189 | } | |
190 | ||
191 | static void strbuf_out(struct grep_opt *opt, const void *buf, size_t size) | |
192 | { | |
193 | struct work_item *w = opt->output_priv; | |
194 | strbuf_add(&w->out, buf, size); | |
195 | } | |
196 | ||
197 | static void start_threads(struct grep_opt *opt) | |
198 | { | |
199 | int i; | |
200 | ||
201 | pthread_mutex_init(&grep_mutex, NULL); | |
b3aeb285 | 202 | pthread_mutex_init(&grep_read_mutex, NULL); |
0579f91d | 203 | pthread_mutex_init(&grep_attr_mutex, NULL); |
5b594f45 FK |
204 | pthread_cond_init(&cond_add, NULL); |
205 | pthread_cond_init(&cond_write, NULL); | |
206 | pthread_cond_init(&cond_result, NULL); | |
78db6ea9 | 207 | grep_use_locks = 1; |
5b594f45 FK |
208 | |
209 | for (i = 0; i < ARRAY_SIZE(todo); i++) { | |
210 | strbuf_init(&todo[i].out, 0); | |
211 | } | |
212 | ||
89f09dd3 VL |
213 | threads = xcalloc(num_threads, sizeof(*threads)); |
214 | for (i = 0; i < num_threads; i++) { | |
5b594f45 FK |
215 | int err; |
216 | struct grep_opt *o = grep_opt_dup(opt); | |
217 | o->output = strbuf_out; | |
6d423dd5 ÆAB |
218 | if (i) |
219 | o->debug = 0; | |
5b594f45 FK |
220 | compile_grep_patterns(o); |
221 | err = pthread_create(&threads[i], NULL, run, o); | |
222 | ||
223 | if (err) | |
2fc5f9f1 | 224 | die(_("grep: failed to create thread: %s"), |
5b594f45 FK |
225 | strerror(err)); |
226 | } | |
227 | } | |
228 | ||
229 | static int wait_all(void) | |
230 | { | |
231 | int hit = 0; | |
232 | int i; | |
233 | ||
4002e87c | 234 | if (!HAVE_THREADS) |
fd6263fb | 235 | BUG("Never call this function unless you have started threads"); |
4002e87c | 236 | |
5b594f45 FK |
237 | grep_lock(); |
238 | all_work_added = 1; | |
239 | ||
240 | /* Wait until all work is done. */ | |
241 | while (todo_done != todo_end) | |
242 | pthread_cond_wait(&cond_result, &grep_mutex); | |
243 | ||
244 | /* Wake up all the consumer threads so they can see that there | |
245 | * is no more work to do. | |
246 | */ | |
247 | pthread_cond_broadcast(&cond_add); | |
248 | grep_unlock(); | |
249 | ||
89f09dd3 | 250 | for (i = 0; i < num_threads; i++) { |
5b594f45 FK |
251 | void *h; |
252 | pthread_join(threads[i], &h); | |
253 | hit |= (int) (intptr_t) h; | |
254 | } | |
255 | ||
89f09dd3 VL |
256 | free(threads); |
257 | ||
5b594f45 | 258 | pthread_mutex_destroy(&grep_mutex); |
b3aeb285 | 259 | pthread_mutex_destroy(&grep_read_mutex); |
0579f91d | 260 | pthread_mutex_destroy(&grep_attr_mutex); |
5b594f45 FK |
261 | pthread_cond_destroy(&cond_add); |
262 | pthread_cond_destroy(&cond_write); | |
263 | pthread_cond_destroy(&cond_result); | |
78db6ea9 | 264 | grep_use_locks = 0; |
5b594f45 FK |
265 | |
266 | return hit; | |
267 | } | |
5b594f45 | 268 | |
15fabd1b JH |
269 | static int grep_cmd_config(const char *var, const char *value, void *cb) |
270 | { | |
271 | int st = grep_config(var, value, cb); | |
33c643bb | 272 | if (git_color_default_config(var, value, cb) < 0) |
15fabd1b | 273 | st = -1; |
89f09dd3 VL |
274 | |
275 | if (!strcmp(var, "grep.threads")) { | |
276 | num_threads = git_config_int(var, value); | |
277 | if (num_threads < 0) | |
278 | die(_("invalid number of threads specified (%d) for %s"), | |
279 | num_threads, var); | |
fd6263fb | 280 | else if (!HAVE_THREADS && num_threads > 1) { |
d1edee4a ÆAB |
281 | /* |
282 | * TRANSLATORS: %s is the configuration | |
283 | * variable for tweaking threads, currently | |
284 | * grep.threads | |
285 | */ | |
286 | warning(_("no threads support, ignoring %s"), var); | |
fd6263fb | 287 | num_threads = 1; |
d1edee4a | 288 | } |
89f09dd3 VL |
289 | } |
290 | ||
9071c078 SB |
291 | if (!strcmp(var, "submodule.recurse")) |
292 | recurse_submodules = git_config_bool(var, value); | |
293 | ||
15fabd1b JH |
294 | return st; |
295 | } | |
296 | ||
1db11086 | 297 | static void *lock_and_read_oid_file(const struct object_id *oid, enum object_type *type, unsigned long *size) |
5f02d315 JH |
298 | { |
299 | void *data; | |
300 | ||
b3aeb285 | 301 | grep_read_lock(); |
b4f5aca4 | 302 | data = read_object_file(oid, type, size); |
b3aeb285 | 303 | grep_read_unlock(); |
5b594f45 FK |
304 | return data; |
305 | } | |
306 | ||
1db11086 | 307 | static int grep_oid(struct grep_opt *opt, const struct object_id *oid, |
55c61688 NTND |
308 | const char *filename, int tree_name_len, |
309 | const char *path) | |
5b594f45 FK |
310 | { |
311 | struct strbuf pathbuf = STRBUF_INIT; | |
e2e05d61 | 312 | struct grep_source gs; |
5b594f45 | 313 | |
f9ee2fcd BW |
314 | if (opt->relative && opt->prefix_length) { |
315 | quote_path_relative(filename + tree_name_len, opt->prefix, &pathbuf); | |
316 | strbuf_insert(&pathbuf, 0, filename, tree_name_len); | |
5b594f45 FK |
317 | } else { |
318 | strbuf_addstr(&pathbuf, filename); | |
319 | } | |
320 | ||
e2e05d61 | 321 | grep_source_init(&gs, GREP_SOURCE_OID, pathbuf.buf, path, oid); |
38ef24dc | 322 | strbuf_release(&pathbuf); |
e2e05d61 | 323 | |
fd6263fb | 324 | if (num_threads > 1) { |
e2e05d61 RV |
325 | /* |
326 | * add_work() copies gs and thus assumes ownership of | |
327 | * its fields, so do not call grep_source_clear() | |
328 | */ | |
329 | add_work(opt, &gs); | |
5b594f45 | 330 | return 0; |
4002e87c | 331 | } else { |
5b594f45 | 332 | int hit; |
5010cb5f | 333 | |
8f24a632 | 334 | hit = grep_source(opt, &gs); |
dc49cd76 | 335 | |
8f24a632 JK |
336 | grep_source_clear(&gs); |
337 | return hit; | |
5010cb5f | 338 | } |
5b594f45 FK |
339 | } |
340 | ||
341 | static int grep_file(struct grep_opt *opt, const char *filename) | |
342 | { | |
343 | struct strbuf buf = STRBUF_INIT; | |
e2e05d61 | 344 | struct grep_source gs; |
5b594f45 | 345 | |
f9ee2fcd BW |
346 | if (opt->relative && opt->prefix_length) |
347 | quote_path_relative(filename, opt->prefix, &buf); | |
348 | else | |
349 | strbuf_addstr(&buf, filename); | |
5b594f45 | 350 | |
e2e05d61 | 351 | grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename, filename); |
38ef24dc | 352 | strbuf_release(&buf); |
e2e05d61 | 353 | |
fd6263fb | 354 | if (num_threads > 1) { |
e2e05d61 RV |
355 | /* |
356 | * add_work() copies gs and thus assumes ownership of | |
357 | * its fields, so do not call grep_source_clear() | |
358 | */ | |
359 | add_work(opt, &gs); | |
5b594f45 | 360 | return 0; |
4002e87c | 361 | } else { |
5b594f45 | 362 | int hit; |
5b594f45 | 363 | |
8f24a632 JK |
364 | hit = grep_source(opt, &gs); |
365 | ||
366 | grep_source_clear(&gs); | |
5b594f45 FK |
367 | return hit; |
368 | } | |
5010cb5f JH |
369 | } |
370 | ||
678e484b JS |
371 | static void append_path(struct grep_opt *opt, const void *data, size_t len) |
372 | { | |
373 | struct string_list *path_list = opt->output_priv; | |
374 | ||
375 | if (len == 1 && *(const char *)data == '\0') | |
376 | return; | |
0c72cead | 377 | string_list_append(path_list, xstrndup(data, len)); |
678e484b JS |
378 | } |
379 | ||
380 | static void run_pager(struct grep_opt *opt, const char *prefix) | |
381 | { | |
382 | struct string_list *path_list = opt->output_priv; | |
850d2fec | 383 | struct child_process child = CHILD_PROCESS_INIT; |
678e484b JS |
384 | int i, status; |
385 | ||
386 | for (i = 0; i < path_list->nr; i++) | |
850d2fec JK |
387 | argv_array_push(&child.args, path_list->items[i].string); |
388 | child.dir = prefix; | |
389 | child.use_shell = 1; | |
678e484b | 390 | |
850d2fec | 391 | status = run_command(&child); |
678e484b JS |
392 | if (status) |
393 | exit(status); | |
678e484b JS |
394 | } |
395 | ||
f9ee2fcd BW |
396 | static int grep_cache(struct grep_opt *opt, struct repository *repo, |
397 | const struct pathspec *pathspec, int cached); | |
398 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, | |
399 | struct tree_desc *tree, struct strbuf *base, int tn_len, | |
400 | int check_attr, struct repository *repo); | |
0281e487 | 401 | |
f9ee2fcd BW |
402 | static int grep_submodule(struct grep_opt *opt, struct repository *superproject, |
403 | const struct pathspec *pathspec, | |
404 | const struct object_id *oid, | |
405 | const char *filename, const char *path) | |
0281e487 | 406 | { |
d5498e08 SB |
407 | struct repository subrepo; |
408 | const struct submodule *sub = submodule_from_path(superproject, | |
409 | &null_oid, path); | |
410 | ||
f9ee2fcd | 411 | int hit; |
74ed4371 | 412 | |
76e9bdc4 AO |
413 | /* |
414 | * NEEDSWORK: submodules functions need to be protected because they | |
415 | * access the object store via config_from_gitmodules(): the latter | |
416 | * uses get_oid() which, for now, relies on the global the_repository | |
417 | * object. | |
418 | */ | |
419 | grep_read_lock(); | |
420 | ||
421 | if (!is_submodule_active(superproject, path)) { | |
422 | grep_read_unlock(); | |
f9ee2fcd | 423 | return 0; |
76e9bdc4 | 424 | } |
0281e487 | 425 | |
d5498e08 | 426 | if (repo_submodule_init(&subrepo, superproject, sub)) { |
76e9bdc4 | 427 | grep_read_unlock(); |
f9ee2fcd | 428 | return 0; |
76e9bdc4 | 429 | } |
be80a239 | 430 | |
d5498e08 | 431 | repo_read_gitmodules(&subrepo); |
0281e487 | 432 | |
74ed4371 | 433 | /* |
f9ee2fcd BW |
434 | * NEEDSWORK: This adds the submodule's object directory to the list of |
435 | * alternates for the single in-memory object store. This has some bad | |
436 | * consequences for memory (processed objects will never be freed) and | |
437 | * performance (this increases the number of pack files git has to pay | |
438 | * attention to, to the sum of the number of pack files in all the | |
439 | * repositories processed so far). This can be removed once the object | |
440 | * store is no longer global and instead is a member of the repository | |
441 | * object. | |
74ed4371 | 442 | */ |
5d3635db | 443 | add_to_alternates_memory(subrepo.objects->odb->path); |
9560e624 | 444 | grep_read_unlock(); |
74ed4371 | 445 | |
f9ee2fcd BW |
446 | if (oid) { |
447 | struct object *object; | |
448 | struct tree_desc tree; | |
449 | void *data; | |
450 | unsigned long size; | |
451 | struct strbuf base = STRBUF_INIT; | |
74ed4371 | 452 | |
f9ee2fcd | 453 | object = parse_object_or_die(oid, oid_to_hex(oid)); |
0281e487 | 454 | |
f9ee2fcd | 455 | grep_read_lock(); |
02f0547e | 456 | data = read_object_with_reference(&object->oid, tree_type, |
f9ee2fcd BW |
457 | &size, NULL); |
458 | grep_read_unlock(); | |
0281e487 | 459 | |
f9ee2fcd BW |
460 | if (!data) |
461 | die(_("unable to read tree (%s)"), oid_to_hex(&object->oid)); | |
0281e487 | 462 | |
f9ee2fcd BW |
463 | strbuf_addstr(&base, filename); |
464 | strbuf_addch(&base, '/'); | |
0281e487 | 465 | |
f9ee2fcd BW |
466 | init_tree_desc(&tree, data, size); |
467 | hit = grep_tree(opt, pathspec, &tree, &base, base.len, | |
d5498e08 | 468 | object->type == OBJ_COMMIT, &subrepo); |
f9ee2fcd BW |
469 | strbuf_release(&base); |
470 | free(data); | |
471 | } else { | |
d5498e08 | 472 | hit = grep_cache(opt, &subrepo, pathspec, 1); |
e6fac7f3 | 473 | } |
0281e487 | 474 | |
d5498e08 | 475 | repo_clear(&subrepo); |
f9ee2fcd | 476 | return hit; |
0281e487 BW |
477 | } |
478 | ||
f9ee2fcd BW |
479 | static int grep_cache(struct grep_opt *opt, struct repository *repo, |
480 | const struct pathspec *pathspec, int cached) | |
5010cb5f JH |
481 | { |
482 | int hit = 0; | |
483 | int nr; | |
0281e487 BW |
484 | struct strbuf name = STRBUF_INIT; |
485 | int name_base_len = 0; | |
f9ee2fcd BW |
486 | if (repo->submodule_prefix) { |
487 | name_base_len = strlen(repo->submodule_prefix); | |
488 | strbuf_addstr(&name, repo->submodule_prefix); | |
0281e487 BW |
489 | } |
490 | ||
b2aa84c7 | 491 | if (repo_read_index(repo) < 0) |
5507067d | 492 | die(_("index file corrupt")); |
5010cb5f | 493 | |
f9ee2fcd BW |
494 | for (nr = 0; nr < repo->index->cache_nr; nr++) { |
495 | const struct cache_entry *ce = repo->index->cache[nr]; | |
0281e487 BW |
496 | strbuf_setlen(&name, name_base_len); |
497 | strbuf_addstr(&name, ce->name); | |
498 | ||
499 | if (S_ISREG(ce->ce_mode) && | |
a4009b0b | 500 | match_pathspec(repo->index, pathspec, name.buf, name.len, 0, NULL, |
0281e487 BW |
501 | S_ISDIR(ce->ce_mode) || |
502 | S_ISGITLINK(ce->ce_mode))) { | |
503 | /* | |
504 | * If CE_VALID is on, we assume worktree file and its | |
505 | * cache entry are identical, even if worktree file has | |
506 | * been modified, so use cache version instead | |
507 | */ | |
508 | if (cached || (ce->ce_flags & CE_VALID) || | |
509 | ce_skip_worktree(ce)) { | |
510 | if (ce_stage(ce) || ce_intent_to_add(ce)) | |
511 | continue; | |
f9ee2fcd BW |
512 | hit |= grep_oid(opt, &ce->oid, name.buf, |
513 | 0, name.buf); | |
0281e487 | 514 | } else { |
f9ee2fcd | 515 | hit |= grep_file(opt, name.buf); |
0281e487 BW |
516 | } |
517 | } else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && | |
a4009b0b | 518 | submodule_path_match(repo->index, pathspec, name.buf, NULL)) { |
f9ee2fcd | 519 | hit |= grep_submodule(opt, repo, pathspec, NULL, ce->name, ce->name); |
0281e487 | 520 | } else { |
5010cb5f | 521 | continue; |
36f2587f | 522 | } |
0281e487 | 523 | |
36f2587f JH |
524 | if (ce_stage(ce)) { |
525 | do { | |
526 | nr++; | |
f9ee2fcd BW |
527 | } while (nr < repo->index->cache_nr && |
528 | !strcmp(ce->name, repo->index->cache[nr]->name)); | |
36f2587f JH |
529 | nr--; /* compensate for loop control */ |
530 | } | |
c8610a2e JH |
531 | if (hit && opt->status_only) |
532 | break; | |
5010cb5f | 533 | } |
0281e487 BW |
534 | |
535 | strbuf_release(&name); | |
5010cb5f JH |
536 | return hit; |
537 | } | |
538 | ||
f34bbc15 | 539 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, |
55c61688 | 540 | struct tree_desc *tree, struct strbuf *base, int tn_len, |
f9ee2fcd | 541 | int check_attr, struct repository *repo) |
5010cb5f | 542 | { |
d688cf07 NTND |
543 | int hit = 0; |
544 | enum interesting match = entry_not_interesting; | |
4c068a98 | 545 | struct name_entry entry; |
e5e062b6 | 546 | int old_baselen = base->len; |
74ed4371 BW |
547 | struct strbuf name = STRBUF_INIT; |
548 | int name_base_len = 0; | |
f9ee2fcd BW |
549 | if (repo->submodule_prefix) { |
550 | strbuf_addstr(&name, repo->submodule_prefix); | |
74ed4371 BW |
551 | name_base_len = name.len; |
552 | } | |
5010cb5f | 553 | |
4c068a98 | 554 | while (tree_entry(tree, &entry)) { |
0de16337 | 555 | int te_len = tree_entry_len(&entry); |
e5e062b6 | 556 | |
d688cf07 | 557 | if (match != all_entries_interesting) { |
74ed4371 | 558 | strbuf_addstr(&name, base->buf + tn_len); |
67022e02 NTND |
559 | match = tree_entry_interesting(repo->index, |
560 | &entry, &name, | |
74ed4371 BW |
561 | 0, pathspec); |
562 | strbuf_setlen(&name, name_base_len); | |
563 | ||
d688cf07 | 564 | if (match == all_entries_not_interesting) |
97d0b74a | 565 | break; |
d688cf07 | 566 | if (match == entry_not_interesting) |
1376e507 NTND |
567 | continue; |
568 | } | |
5010cb5f | 569 | |
1376e507 | 570 | strbuf_add(base, entry.path, te_len); |
e0eb889f | 571 | |
1376e507 | 572 | if (S_ISREG(entry.mode)) { |
ea82b2a0 | 573 | hit |= grep_oid(opt, &entry.oid, base->buf, tn_len, |
55c61688 | 574 | check_attr ? base->buf + tn_len : NULL); |
74ed4371 | 575 | } else if (S_ISDIR(entry.mode)) { |
21666f1a | 576 | enum object_type type; |
5010cb5f JH |
577 | struct tree_desc sub; |
578 | void *data; | |
6fda5e51 LT |
579 | unsigned long size; |
580 | ||
ea82b2a0 | 581 | data = lock_and_read_oid_file(&entry.oid, &type, &size); |
5010cb5f | 582 | if (!data) |
2fc5f9f1 | 583 | die(_("unable to read tree (%s)"), |
ea82b2a0 | 584 | oid_to_hex(&entry.oid)); |
1376e507 NTND |
585 | |
586 | strbuf_addch(base, '/'); | |
6fda5e51 | 587 | init_tree_desc(&sub, data, size); |
55c61688 | 588 | hit |= grep_tree(opt, pathspec, &sub, base, tn_len, |
f9ee2fcd | 589 | check_attr, repo); |
5010cb5f | 590 | free(data); |
74ed4371 | 591 | } else if (recurse_submodules && S_ISGITLINK(entry.mode)) { |
ea82b2a0 | 592 | hit |= grep_submodule(opt, repo, pathspec, &entry.oid, |
f9ee2fcd | 593 | base->buf, base->buf + tn_len); |
5010cb5f | 594 | } |
74ed4371 | 595 | |
e5e062b6 NTND |
596 | strbuf_setlen(base, old_baselen); |
597 | ||
c8610a2e JH |
598 | if (hit && opt->status_only) |
599 | break; | |
5010cb5f | 600 | } |
74ed4371 BW |
601 | |
602 | strbuf_release(&name); | |
5010cb5f JH |
603 | return hit; |
604 | } | |
605 | ||
f34bbc15 | 606 | static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, |
6856077a | 607 | struct object *obj, const char *name, const char *path) |
5010cb5f | 608 | { |
1974632c | 609 | if (obj->type == OBJ_BLOB) |
1db11086 | 610 | return grep_oid(opt, &obj->oid, name, 0, path); |
1974632c | 611 | if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { |
5010cb5f JH |
612 | struct tree_desc tree; |
613 | void *data; | |
6fda5e51 | 614 | unsigned long size; |
e5e062b6 NTND |
615 | struct strbuf base; |
616 | int hit, len; | |
617 | ||
b3aeb285 | 618 | grep_read_lock(); |
02f0547e | 619 | data = read_object_with_reference(&obj->oid, tree_type, |
6fda5e51 | 620 | &size, NULL); |
b3aeb285 | 621 | grep_read_unlock(); |
8cb5775b | 622 | |
5010cb5f | 623 | if (!data) |
f2fd0760 | 624 | die(_("unable to read tree (%s)"), oid_to_hex(&obj->oid)); |
e5e062b6 NTND |
625 | |
626 | len = name ? strlen(name) : 0; | |
627 | strbuf_init(&base, PATH_MAX + len + 1); | |
628 | if (len) { | |
629 | strbuf_add(&base, name, len); | |
630 | strbuf_addch(&base, ':'); | |
631 | } | |
6fda5e51 | 632 | init_tree_desc(&tree, data, size); |
55c61688 | 633 | hit = grep_tree(opt, pathspec, &tree, &base, base.len, |
6856077a | 634 | obj->type == OBJ_COMMIT, the_repository); |
e5e062b6 | 635 | strbuf_release(&base); |
5010cb5f JH |
636 | free(data); |
637 | return hit; | |
638 | } | |
debca9d2 | 639 | die(_("unable to grep from object of type %s"), type_name(obj->type)); |
5010cb5f JH |
640 | } |
641 | ||
f34bbc15 | 642 | static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, |
30d00c39 JN |
643 | const struct object_array *list) |
644 | { | |
645 | unsigned int i; | |
646 | int hit = 0; | |
647 | const unsigned int nr = list->nr; | |
648 | ||
649 | for (i = 0; i < nr; i++) { | |
650 | struct object *real_obj; | |
a74093da SB |
651 | real_obj = deref_tag(the_repository, list->objects[i].item, |
652 | NULL, 0); | |
74ed4371 BW |
653 | |
654 | /* load the gitmodules file for this rev */ | |
655 | if (recurse_submodules) { | |
f793b895 | 656 | submodule_free(the_repository); |
cd73de47 | 657 | gitmodules_config_oid(&real_obj->oid); |
74ed4371 | 658 | } |
6856077a JT |
659 | if (grep_object(opt, pathspec, real_obj, list->objects[i].name, |
660 | list->objects[i].path)) { | |
30d00c39 JN |
661 | hit = 1; |
662 | if (opt->status_only) | |
663 | break; | |
664 | } | |
665 | } | |
666 | return hit; | |
667 | } | |
668 | ||
dbfae86a | 669 | static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, |
85975c0c | 670 | int exc_std, int use_index) |
59332d13 JH |
671 | { |
672 | struct dir_struct dir; | |
673 | int i, hit = 0; | |
674 | ||
675 | memset(&dir, 0, sizeof(dir)); | |
85975c0c JK |
676 | if (!use_index) |
677 | dir.flags |= DIR_NO_GITLINKS; | |
0a93fb8a JH |
678 | if (exc_std) |
679 | setup_standard_excludes(&dir); | |
59332d13 | 680 | |
0d32c183 | 681 | fill_directory(&dir, &the_index, pathspec); |
59332d13 | 682 | for (i = 0; i < dir.nr; i++) { |
6d2df284 | 683 | if (!dir_path_match(&the_index, dir.entries[i], pathspec, 0, NULL)) |
9d8b831b | 684 | continue; |
59332d13 JH |
685 | hit |= grep_file(opt, dir.entries[i]->name); |
686 | if (hit && opt->status_only) | |
687 | break; | |
688 | } | |
59332d13 JH |
689 | return hit; |
690 | } | |
691 | ||
ff3c7f9a RS |
692 | static int context_callback(const struct option *opt, const char *arg, |
693 | int unset) | |
3e230fa1 RS |
694 | { |
695 | struct grep_opt *grep_opt = opt->value; | |
696 | int value; | |
697 | const char *endp; | |
698 | ||
699 | if (unset) { | |
700 | grep_opt->pre_context = grep_opt->post_context = 0; | |
701 | return 0; | |
702 | } | |
703 | value = strtol(arg, (char **)&endp, 10); | |
704 | if (*endp) { | |
2fc5f9f1 | 705 | return error(_("switch `%c' expects a numerical value"), |
3e230fa1 RS |
706 | opt->short_name); |
707 | } | |
708 | grep_opt->pre_context = grep_opt->post_context = value; | |
709 | return 0; | |
710 | } | |
711 | ||
ff3c7f9a | 712 | static int file_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
713 | { |
714 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 715 | int from_stdin; |
3e230fa1 RS |
716 | FILE *patterns; |
717 | int lno = 0; | |
cfe370c6 | 718 | struct strbuf sb = STRBUF_INIT; |
3e230fa1 | 719 | |
517fe807 JK |
720 | BUG_ON_OPT_NEG(unset); |
721 | ||
722 | from_stdin = !strcmp(arg, "-"); | |
c41dd2fd | 723 | patterns = from_stdin ? stdin : fopen(arg, "r"); |
3e230fa1 | 724 | if (!patterns) |
2fc5f9f1 | 725 | die_errno(_("cannot open '%s'"), arg); |
a5518431 | 726 | while (strbuf_getline(&sb, patterns) == 0) { |
3e230fa1 RS |
727 | /* ignore empty line like grep does */ |
728 | if (sb.len == 0) | |
729 | continue; | |
ed40a095 | 730 | |
ec830611 RS |
731 | append_grep_pat(grep_opt, sb.buf, sb.len, arg, ++lno, |
732 | GREP_PATTERN); | |
3e230fa1 | 733 | } |
c41dd2fd RS |
734 | if (!from_stdin) |
735 | fclose(patterns); | |
3e230fa1 RS |
736 | strbuf_release(&sb); |
737 | return 0; | |
738 | } | |
739 | ||
ff3c7f9a | 740 | static int not_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
741 | { |
742 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
743 | BUG_ON_OPT_NEG(unset); |
744 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
745 | append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); |
746 | return 0; | |
747 | } | |
748 | ||
ff3c7f9a | 749 | static int and_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
750 | { |
751 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
752 | BUG_ON_OPT_NEG(unset); |
753 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
754 | append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); |
755 | return 0; | |
756 | } | |
757 | ||
ff3c7f9a | 758 | static int open_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
759 | { |
760 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
761 | BUG_ON_OPT_NEG(unset); |
762 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
763 | append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); |
764 | return 0; | |
765 | } | |
766 | ||
ff3c7f9a | 767 | static int close_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
768 | { |
769 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
770 | BUG_ON_OPT_NEG(unset); |
771 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
772 | append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); |
773 | return 0; | |
774 | } | |
775 | ||
ff3c7f9a RS |
776 | static int pattern_callback(const struct option *opt, const char *arg, |
777 | int unset) | |
3e230fa1 RS |
778 | { |
779 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 780 | BUG_ON_OPT_NEG(unset); |
3e230fa1 RS |
781 | append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); |
782 | return 0; | |
783 | } | |
5010cb5f | 784 | |
a633fca0 | 785 | int cmd_grep(int argc, const char **argv, const char *prefix) |
5010cb5f | 786 | { |
5010cb5f | 787 | int hit = 0; |
0a93fb8a | 788 | int cached = 0, untracked = 0, opt_exclude = -1; |
5acd64ed | 789 | int seen_dashdash = 0; |
bbc09c22 | 790 | int external_grep_allowed__ignored; |
0af88c15 | 791 | const char *show_in_pager = NULL, *default_pager = "dummy"; |
5010cb5f | 792 | struct grep_opt opt; |
3cd47459 | 793 | struct object_array list = OBJECT_ARRAY_INIT; |
f34bbc15 | 794 | struct pathspec pathspec; |
183113a5 | 795 | struct string_list path_list = STRING_LIST_INIT_NODUP; |
5acd64ed | 796 | int i; |
3e230fa1 | 797 | int dummy; |
ff38d1a9 | 798 | int use_index = 1; |
84befcd0 | 799 | int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED; |
131f3c96 | 800 | int allow_revs; |
cca2c172 | 801 | |
3e230fa1 | 802 | struct option options[] = { |
d5d09d47 | 803 | OPT_BOOL(0, "cached", &cached, |
4b407bc5 | 804 | N_("search in index instead of in the work tree")), |
cbb08c2e | 805 | OPT_NEGBIT(0, "no-index", &use_index, |
f63cf8c9 | 806 | N_("find in contents not managed by git"), 1), |
d5d09d47 | 807 | OPT_BOOL(0, "untracked", &untracked, |
4b407bc5 | 808 | N_("search in both tracked and untracked files")), |
0a93fb8a | 809 | OPT_SET_INT(0, "exclude-standard", &opt_exclude, |
77fdb8a8 | 810 | N_("ignore files specified via '.gitignore'"), 1), |
0281e487 | 811 | OPT_BOOL(0, "recurse-submodules", &recurse_submodules, |
4fb1c6aa | 812 | N_("recursively search in each submodule")), |
3e230fa1 | 813 | OPT_GROUP(""), |
d5d09d47 | 814 | OPT_BOOL('v', "invert-match", &opt.invert, |
4b407bc5 | 815 | N_("show non-matching lines")), |
d5d09d47 | 816 | OPT_BOOL('i', "ignore-case", &opt.ignore_case, |
4b407bc5 | 817 | N_("case insensitive matching")), |
d5d09d47 | 818 | OPT_BOOL('w', "word-regexp", &opt.word_regexp, |
4b407bc5 | 819 | N_("match patterns only at word boundaries")), |
3e230fa1 | 820 | OPT_SET_INT('a', "text", &opt.binary, |
4b407bc5 | 821 | N_("process binary files as text"), GREP_BINARY_TEXT), |
3e230fa1 | 822 | OPT_SET_INT('I', NULL, &opt.binary, |
4b407bc5 | 823 | N_("don't match patterns in binary files"), |
3e230fa1 | 824 | GREP_BINARY_NOMATCH), |
335ec3bf JK |
825 | OPT_BOOL(0, "textconv", &opt.allow_textconv, |
826 | N_("process binary files with textconv filters")), | |
0a09e5ed RS |
827 | OPT_SET_INT('r', "recursive", &opt.max_depth, |
828 | N_("search in subdirectories (default)"), -1), | |
4b407bc5 NTND |
829 | { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"), |
830 | N_("descend at most <depth> levels"), PARSE_OPT_NONEG, | |
a91f453f | 831 | NULL, 1 }, |
3e230fa1 | 832 | OPT_GROUP(""), |
84befcd0 | 833 | OPT_SET_INT('E', "extended-regexp", &pattern_type_arg, |
4b407bc5 | 834 | N_("use extended POSIX regular expressions"), |
84befcd0 S |
835 | GREP_PATTERN_TYPE_ERE), |
836 | OPT_SET_INT('G', "basic-regexp", &pattern_type_arg, | |
4b407bc5 | 837 | N_("use basic POSIX regular expressions (default)"), |
84befcd0 S |
838 | GREP_PATTERN_TYPE_BRE), |
839 | OPT_SET_INT('F', "fixed-strings", &pattern_type_arg, | |
4b407bc5 | 840 | N_("interpret patterns as fixed strings"), |
84befcd0 S |
841 | GREP_PATTERN_TYPE_FIXED), |
842 | OPT_SET_INT('P', "perl-regexp", &pattern_type_arg, | |
4b407bc5 | 843 | N_("use Perl-compatible regular expressions"), |
84befcd0 | 844 | GREP_PATTERN_TYPE_PCRE), |
3e230fa1 | 845 | OPT_GROUP(""), |
d5d09d47 | 846 | OPT_BOOL('n', "line-number", &opt.linenum, N_("show line numbers")), |
a449f27f | 847 | OPT_BOOL(0, "column", &opt.columnnum, N_("show column number of first match")), |
4b407bc5 NTND |
848 | OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1), |
849 | OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1), | |
3e230fa1 | 850 | OPT_NEGBIT(0, "full-name", &opt.relative, |
4b407bc5 | 851 | N_("show filenames relative to top directory"), 1), |
d5d09d47 | 852 | OPT_BOOL('l', "files-with-matches", &opt.name_only, |
4b407bc5 | 853 | N_("show only filenames instead of matching lines")), |
d5d09d47 | 854 | OPT_BOOL(0, "name-only", &opt.name_only, |
4b407bc5 | 855 | N_("synonym for --files-with-matches")), |
d5d09d47 | 856 | OPT_BOOL('L', "files-without-match", |
3e230fa1 | 857 | &opt.unmatch_name_only, |
4b407bc5 | 858 | N_("show only the names of files without match")), |
caf2de33 NTND |
859 | OPT_BOOL_F('z', "null", &opt.null_following_name, |
860 | N_("print NUL after filenames"), | |
861 | PARSE_OPT_NOCOMPLETE), | |
9d8db06e TB |
862 | OPT_BOOL('o', "only-matching", &opt.only_matching, |
863 | N_("show only matching parts of a line")), | |
d5d09d47 | 864 | OPT_BOOL('c', "count", &opt.count, |
4b407bc5 NTND |
865 | N_("show the number of matches instead of matching lines")), |
866 | OPT__COLOR(&opt.color, N_("highlight matches")), | |
d5d09d47 | 867 | OPT_BOOL(0, "break", &opt.file_break, |
4b407bc5 | 868 | N_("print empty line between matches from different files")), |
d5d09d47 | 869 | OPT_BOOL(0, "heading", &opt.heading, |
4b407bc5 | 870 | N_("show filename only once above matches from same file")), |
3e230fa1 | 871 | OPT_GROUP(""), |
4b407bc5 NTND |
872 | OPT_CALLBACK('C', "context", &opt, N_("n"), |
873 | N_("show <n> context lines before and after matches"), | |
3e230fa1 | 874 | context_callback), |
317f63c2 | 875 | OPT_INTEGER('B', "before-context", &opt.pre_context, |
4b407bc5 | 876 | N_("show <n> context lines before matches")), |
317f63c2 | 877 | OPT_INTEGER('A', "after-context", &opt.post_context, |
4b407bc5 | 878 | N_("show <n> context lines after matches")), |
89f09dd3 VL |
879 | OPT_INTEGER(0, "threads", &num_threads, |
880 | N_("use <n> worker threads")), | |
4b407bc5 | 881 | OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"), |
3e230fa1 | 882 | context_callback), |
d5d09d47 | 883 | OPT_BOOL('p', "show-function", &opt.funcname, |
4b407bc5 | 884 | N_("show a line with the function name before matches")), |
d5d09d47 | 885 | OPT_BOOL('W', "function-context", &opt.funcbody, |
4b407bc5 | 886 | N_("show the surrounding function")), |
3e230fa1 | 887 | OPT_GROUP(""), |
4b407bc5 NTND |
888 | OPT_CALLBACK('f', NULL, &opt, N_("file"), |
889 | N_("read patterns from file"), file_callback), | |
890 | { OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"), | |
891 | N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback }, | |
3e230fa1 | 892 | { OPTION_CALLBACK, 0, "and", &opt, NULL, |
4b407bc5 | 893 | N_("combine patterns specified with -e"), |
3e230fa1 | 894 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback }, |
d5d09d47 | 895 | OPT_BOOL(0, "or", &dummy, ""), |
3e230fa1 RS |
896 | { OPTION_CALLBACK, 0, "not", &opt, NULL, "", |
897 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback }, | |
898 | { OPTION_CALLBACK, '(', NULL, &opt, NULL, "", | |
899 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
900 | open_callback }, | |
901 | { OPTION_CALLBACK, ')', NULL, &opt, NULL, "", | |
902 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
903 | close_callback }, | |
d52ee6e6 | 904 | OPT__QUIET(&opt.status_only, |
4b407bc5 | 905 | N_("indicate hit with exit status without output")), |
d5d09d47 | 906 | OPT_BOOL(0, "all-match", &opt.all_match, |
4b407bc5 | 907 | N_("show only matches from files that match all patterns")), |
3e4a67b4 NTND |
908 | OPT_SET_INT_F(0, "debug", &opt.debug, |
909 | N_("show parse tree for grep expression"), | |
910 | 1, PARSE_OPT_HIDDEN), | |
3e230fa1 | 911 | OPT_GROUP(""), |
0af88c15 | 912 | { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, |
4b407bc5 | 913 | N_("pager"), N_("show matching files in the pager"), |
caf2de33 NTND |
914 | PARSE_OPT_OPTARG | PARSE_OPT_NOCOMPLETE, |
915 | NULL, (intptr_t)default_pager }, | |
916 | OPT_BOOL_F(0, "ext-grep", &external_grep_allowed__ignored, | |
917 | N_("allow calling of grep(1) (ignored by this build)"), | |
918 | PARSE_OPT_NOCOMPLETE), | |
3e230fa1 RS |
919 | OPT_END() |
920 | }; | |
5010cb5f | 921 | |
38bbc2ea | 922 | init_grep_defaults(the_repository); |
15fabd1b | 923 | git_config(grep_cmd_config, NULL); |
38bbc2ea | 924 | grep_init(&opt, the_repository, prefix); |
7e8f59d5 | 925 | |
5010cb5f | 926 | /* |
5acd64ed JH |
927 | * If there is no -- then the paths must exist in the working |
928 | * tree. If there is no explicit pattern specified with -e or | |
929 | * -f, we take the first unrecognized non option to be the | |
930 | * pattern, but then what follows it must be zero or more | |
931 | * valid refs up to the -- (if exists), and then existing | |
932 | * paths. If there is an explicit pattern, then the first | |
82e5a82f | 933 | * unrecognized non option is the beginning of the refs list |
5acd64ed | 934 | * that continues up to the -- (if exists), and then paths. |
5010cb5f | 935 | */ |
37782920 | 936 | argc = parse_options(argc, argv, prefix, options, grep_usage, |
3e230fa1 | 937 | PARSE_OPT_KEEP_DASHDASH | |
44415499 | 938 | PARSE_OPT_STOP_AT_NON_OPTION); |
c5c31d33 | 939 | grep_commit_pattern_type(pattern_type_arg, &opt); |
3e230fa1 | 940 | |
ecd9ba61 TG |
941 | if (use_index && !startup_info->have_repository) { |
942 | int fallback = 0; | |
943 | git_config_get_bool("grep.fallbacktonoindex", &fallback); | |
944 | if (fallback) | |
945 | use_index = 0; | |
946 | else | |
947 | /* die the same way as if we did it at the beginning */ | |
948 | setup_git_directory(); | |
949 | } | |
59332d13 | 950 | |
1123c67c JK |
951 | /* |
952 | * skip a -- separator; we know it cannot be | |
953 | * separating revisions from pathnames if | |
954 | * we haven't even had any patterns yet | |
955 | */ | |
956 | if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) { | |
957 | argv++; | |
958 | argc--; | |
959 | } | |
960 | ||
3e230fa1 RS |
961 | /* First unrecognized non-option token */ |
962 | if (argc > 0 && !opt.pattern_list) { | |
963 | append_grep_pattern(&opt, argv[0], "command line", 0, | |
964 | GREP_PATTERN); | |
965 | argv++; | |
966 | argc--; | |
5010cb5f | 967 | } |
5acd64ed | 968 | |
0af88c15 JS |
969 | if (show_in_pager == default_pager) |
970 | show_in_pager = git_pager(1); | |
678e484b | 971 | if (show_in_pager) { |
e7b082a4 | 972 | opt.color = 0; |
0af88c15 JS |
973 | opt.name_only = 1; |
974 | opt.null_following_name = 1; | |
975 | opt.output_priv = &path_list; | |
976 | opt.output = append_path; | |
0c72cead | 977 | string_list_append(&path_list, show_in_pager); |
678e484b JS |
978 | } |
979 | ||
f9b9faf6 | 980 | if (!opt.pattern_list) |
1a07e59c | 981 | die(_("no pattern given")); |
5b594f45 | 982 | |
9d8db06e TB |
983 | /* --only-matching has no effect with --invert. */ |
984 | if (opt.invert) | |
985 | opt.only_matching = 0; | |
986 | ||
b5b81136 JK |
987 | /* |
988 | * We have to find "--" in a separate pass, because its presence | |
989 | * influences how we will parse arguments that come before it. | |
990 | */ | |
991 | for (i = 0; i < argc; i++) { | |
992 | if (!strcmp(argv[i], "--")) { | |
993 | seen_dashdash = 1; | |
994 | break; | |
995 | } | |
996 | } | |
997 | ||
998 | /* | |
999 | * Resolve any rev arguments. If we have a dashdash, then everything up | |
1000 | * to it must resolve as a rev. If not, then we stop at the first | |
1001 | * non-rev and assume everything else is a path. | |
1002 | */ | |
131f3c96 | 1003 | allow_revs = use_index && !untracked; |
3e230fa1 | 1004 | for (i = 0; i < argc; i++) { |
5acd64ed | 1005 | const char *arg = argv[i]; |
1db11086 | 1006 | struct object_id oid; |
afa15f3c | 1007 | struct object_context oc; |
20d6421c JK |
1008 | struct object *object; |
1009 | ||
dca3b5f5 JT |
1010 | if (!strcmp(arg, "--")) { |
1011 | i++; | |
dca3b5f5 JT |
1012 | break; |
1013 | } | |
20d6421c | 1014 | |
131f3c96 | 1015 | if (!allow_revs) { |
d0ffc069 | 1016 | if (seen_dashdash) |
131f3c96 | 1017 | die(_("--no-index or --untracked cannot be used with revs")); |
d0ffc069 JK |
1018 | break; |
1019 | } | |
1020 | ||
321c89bf | 1021 | if (get_oid_with_context(arg, GET_OID_RECORD_PATH, |
e82caf38 | 1022 | &oid, &oc)) { |
b5b81136 JK |
1023 | if (seen_dashdash) |
1024 | die(_("unable to resolve revision: %s"), arg); | |
20d6421c | 1025 | break; |
b5b81136 | 1026 | } |
20d6421c | 1027 | |
c251c83d | 1028 | object = parse_object_or_die(&oid, arg); |
20d6421c JK |
1029 | if (!seen_dashdash) |
1030 | verify_non_filename(prefix, arg); | |
1031 | add_object_array_with_path(object, arg, &list, oc.mode, oc.path); | |
dc944b65 | 1032 | free(oc.path); |
1362671f | 1033 | } |
5acd64ed | 1034 | |
b5b81136 JK |
1035 | /* |
1036 | * Anything left over is presumed to be a path. But in the non-dashdash | |
1037 | * "do what I mean" case, we verify and complain when that isn't true. | |
1038 | */ | |
a0fe2b0d JK |
1039 | if (!seen_dashdash) { |
1040 | int j; | |
1041 | for (j = i; j < argc; j++) | |
131f3c96 | 1042 | verify_filename(prefix, argv[j], j == i && allow_revs); |
a0fe2b0d JK |
1043 | } |
1044 | ||
1045 | parse_pathspec(&pathspec, 0, | |
1046 | PATHSPEC_PREFER_CWD | | |
1047 | (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0), | |
1048 | prefix, argv + i); | |
1049 | pathspec.max_depth = opt.max_depth; | |
1050 | pathspec.recursive = 1; | |
eef3df5a | 1051 | pathspec.recurse_submodules = !!recurse_submodules; |
a0fe2b0d | 1052 | |
fd6263fb NTND |
1053 | if (list.nr || cached || show_in_pager) { |
1054 | if (num_threads > 1) | |
1055 | warning(_("invalid option combination, ignoring --threads")); | |
1056 | num_threads = 1; | |
1057 | } else if (!HAVE_THREADS && num_threads > 1) { | |
d1edee4a | 1058 | warning(_("no threads support, ignoring --threads")); |
fd6263fb NTND |
1059 | num_threads = 1; |
1060 | } else if (num_threads < 0) | |
1061 | die(_("invalid number of threads specified (%d)"), num_threads); | |
1062 | else if (num_threads == 0) | |
1063 | num_threads = HAVE_THREADS ? GREP_NUM_THREADS_DEFAULT : 1; | |
53b8d931 | 1064 | |
fd6263fb NTND |
1065 | if (num_threads > 1) { |
1066 | if (!HAVE_THREADS) | |
1067 | BUG("Somebody got num_threads calculation wrong!"); | |
1068 | if (!(opt.name_only || opt.unmatch_name_only || opt.count) | |
1069 | && (opt.pre_context || opt.post_context || | |
1070 | opt.file_break || opt.funcbody)) | |
1071 | skip_first_line = 1; | |
1072 | start_threads(&opt); | |
4002e87c | 1073 | } else { |
6d423dd5 ÆAB |
1074 | /* |
1075 | * The compiled patterns on the main path are only | |
1076 | * used when not using threading. Otherwise | |
fd6263fb | 1077 | * start_threads() above calls compile_grep_patterns() |
6d423dd5 ÆAB |
1078 | * for each thread. |
1079 | */ | |
1080 | compile_grep_patterns(&opt); | |
53b8d931 | 1081 | } |
53b8d931 | 1082 | |
678e484b | 1083 | if (show_in_pager && (cached || list.nr)) |
e4fe4ba5 | 1084 | die(_("--open-files-in-pager only works on the worktree")); |
678e484b JS |
1085 | |
1086 | if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) { | |
1087 | const char *pager = path_list.items[0].string; | |
1088 | int len = strlen(pager); | |
1089 | ||
1090 | if (len > 4 && is_dir_sep(pager[len - 5])) | |
1091 | pager += len - 4; | |
1092 | ||
f7febbea JS |
1093 | if (opt.ignore_case && !strcmp("less", pager)) |
1094 | string_list_append(&path_list, "-I"); | |
1095 | ||
678e484b JS |
1096 | if (!strcmp("less", pager) || !strcmp("vi", pager)) { |
1097 | struct strbuf buf = STRBUF_INIT; | |
1098 | strbuf_addf(&buf, "+/%s%s", | |
1099 | strcmp("less", pager) ? "" : "*", | |
1100 | opt.pattern_list->pattern); | |
0c72cead | 1101 | string_list_append(&path_list, buf.buf); |
678e484b JS |
1102 | strbuf_detach(&buf, NULL); |
1103 | } | |
1104 | } | |
1105 | ||
74ed4371 | 1106 | if (recurse_submodules && (!use_index || untracked)) |
1a07e59c | 1107 | die(_("option not supported with --recurse-submodules")); |
0281e487 | 1108 | |
c2048f0b | 1109 | if (!show_in_pager && !opt.status_only) |
678e484b JS |
1110 | setup_pager(); |
1111 | ||
0a93fb8a | 1112 | if (!use_index && (untracked || cached)) |
1a07e59c | 1113 | die(_("--cached or --untracked cannot be used with --no-index")); |
678e484b | 1114 | |
0a93fb8a | 1115 | if (!use_index || untracked) { |
0a93fb8a | 1116 | int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; |
85975c0c | 1117 | hit = grep_directory(&opt, &pathspec, use_exclude, use_index); |
dbfae86a | 1118 | } else if (0 <= opt_exclude) { |
1a07e59c | 1119 | die(_("--[no-]exclude-standard cannot be used for tracked contents")); |
685359cf | 1120 | } else if (!list.nr) { |
6577f542 NTND |
1121 | if (!cached) |
1122 | setup_work_tree(); | |
5b594f45 | 1123 | |
f9ee2fcd | 1124 | hit = grep_cache(&opt, the_repository, &pathspec, cached); |
685359cf JS |
1125 | } else { |
1126 | if (cached) | |
1a07e59c | 1127 | die(_("both --cached and trees are given")); |
f9ee2fcd | 1128 | |
6856077a | 1129 | hit = grep_objects(&opt, &pathspec, &list); |
5010cb5f | 1130 | } |
5b594f45 | 1131 | |
fd6263fb | 1132 | if (num_threads > 1) |
5b594f45 | 1133 | hit |= wait_all(); |
678e484b JS |
1134 | if (hit && show_in_pager) |
1135 | run_pager(&opt, prefix); | |
7861fa07 | 1136 | clear_pathspec(&pathspec); |
b48fb5b6 | 1137 | free_grep_patterns(&opt); |
5010cb5f JH |
1138 | return !hit; |
1139 | } |