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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 | { |
f9ee2fcd BW |
407 | struct repository submodule; |
408 | int hit; | |
74ed4371 | 409 | |
76e9bdc4 AO |
410 | /* |
411 | * NEEDSWORK: submodules functions need to be protected because they | |
412 | * access the object store via config_from_gitmodules(): the latter | |
413 | * uses get_oid() which, for now, relies on the global the_repository | |
414 | * object. | |
415 | */ | |
416 | grep_read_lock(); | |
417 | ||
418 | if (!is_submodule_active(superproject, path)) { | |
419 | grep_read_unlock(); | |
f9ee2fcd | 420 | return 0; |
76e9bdc4 | 421 | } |
0281e487 | 422 | |
76e9bdc4 AO |
423 | if (repo_submodule_init(&submodule, superproject, path)) { |
424 | grep_read_unlock(); | |
f9ee2fcd | 425 | return 0; |
76e9bdc4 | 426 | } |
be80a239 | 427 | |
f9ee2fcd | 428 | repo_read_gitmodules(&submodule); |
0281e487 | 429 | |
74ed4371 | 430 | /* |
f9ee2fcd BW |
431 | * NEEDSWORK: This adds the submodule's object directory to the list of |
432 | * alternates for the single in-memory object store. This has some bad | |
433 | * consequences for memory (processed objects will never be freed) and | |
434 | * performance (this increases the number of pack files git has to pay | |
435 | * attention to, to the sum of the number of pack files in all the | |
436 | * repositories processed so far). This can be removed once the object | |
437 | * store is no longer global and instead is a member of the repository | |
438 | * object. | |
74ed4371 | 439 | */ |
f0eaf638 | 440 | add_to_alternates_memory(submodule.objects->odb->path); |
9560e624 | 441 | grep_read_unlock(); |
74ed4371 | 442 | |
f9ee2fcd BW |
443 | if (oid) { |
444 | struct object *object; | |
445 | struct tree_desc tree; | |
446 | void *data; | |
447 | unsigned long size; | |
448 | struct strbuf base = STRBUF_INIT; | |
74ed4371 | 449 | |
f9ee2fcd | 450 | object = parse_object_or_die(oid, oid_to_hex(oid)); |
0281e487 | 451 | |
f9ee2fcd | 452 | grep_read_lock(); |
02f0547e | 453 | data = read_object_with_reference(&object->oid, tree_type, |
f9ee2fcd BW |
454 | &size, NULL); |
455 | grep_read_unlock(); | |
0281e487 | 456 | |
f9ee2fcd BW |
457 | if (!data) |
458 | die(_("unable to read tree (%s)"), oid_to_hex(&object->oid)); | |
0281e487 | 459 | |
f9ee2fcd BW |
460 | strbuf_addstr(&base, filename); |
461 | strbuf_addch(&base, '/'); | |
0281e487 | 462 | |
f9ee2fcd BW |
463 | init_tree_desc(&tree, data, size); |
464 | hit = grep_tree(opt, pathspec, &tree, &base, base.len, | |
465 | object->type == OBJ_COMMIT, &submodule); | |
466 | strbuf_release(&base); | |
467 | free(data); | |
468 | } else { | |
469 | hit = grep_cache(opt, &submodule, pathspec, 1); | |
e6fac7f3 | 470 | } |
0281e487 | 471 | |
f9ee2fcd BW |
472 | repo_clear(&submodule); |
473 | return hit; | |
0281e487 BW |
474 | } |
475 | ||
f9ee2fcd BW |
476 | static int grep_cache(struct grep_opt *opt, struct repository *repo, |
477 | const struct pathspec *pathspec, int cached) | |
5010cb5f JH |
478 | { |
479 | int hit = 0; | |
480 | int nr; | |
0281e487 BW |
481 | struct strbuf name = STRBUF_INIT; |
482 | int name_base_len = 0; | |
f9ee2fcd BW |
483 | if (repo->submodule_prefix) { |
484 | name_base_len = strlen(repo->submodule_prefix); | |
485 | strbuf_addstr(&name, repo->submodule_prefix); | |
0281e487 BW |
486 | } |
487 | ||
b2aa84c7 | 488 | if (repo_read_index(repo) < 0) |
5507067d | 489 | die(_("index file corrupt")); |
5010cb5f | 490 | |
f9ee2fcd BW |
491 | for (nr = 0; nr < repo->index->cache_nr; nr++) { |
492 | const struct cache_entry *ce = repo->index->cache[nr]; | |
0281e487 BW |
493 | strbuf_setlen(&name, name_base_len); |
494 | strbuf_addstr(&name, ce->name); | |
495 | ||
496 | if (S_ISREG(ce->ce_mode) && | |
a4009b0b | 497 | match_pathspec(repo->index, pathspec, name.buf, name.len, 0, NULL, |
0281e487 BW |
498 | S_ISDIR(ce->ce_mode) || |
499 | S_ISGITLINK(ce->ce_mode))) { | |
500 | /* | |
501 | * If CE_VALID is on, we assume worktree file and its | |
502 | * cache entry are identical, even if worktree file has | |
503 | * been modified, so use cache version instead | |
504 | */ | |
505 | if (cached || (ce->ce_flags & CE_VALID) || | |
506 | ce_skip_worktree(ce)) { | |
507 | if (ce_stage(ce) || ce_intent_to_add(ce)) | |
508 | continue; | |
f9ee2fcd BW |
509 | hit |= grep_oid(opt, &ce->oid, name.buf, |
510 | 0, name.buf); | |
0281e487 | 511 | } else { |
f9ee2fcd | 512 | hit |= grep_file(opt, name.buf); |
0281e487 BW |
513 | } |
514 | } else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && | |
a4009b0b | 515 | submodule_path_match(repo->index, pathspec, name.buf, NULL)) { |
f9ee2fcd | 516 | hit |= grep_submodule(opt, repo, pathspec, NULL, ce->name, ce->name); |
0281e487 | 517 | } else { |
5010cb5f | 518 | continue; |
36f2587f | 519 | } |
0281e487 | 520 | |
36f2587f JH |
521 | if (ce_stage(ce)) { |
522 | do { | |
523 | nr++; | |
f9ee2fcd BW |
524 | } while (nr < repo->index->cache_nr && |
525 | !strcmp(ce->name, repo->index->cache[nr]->name)); | |
36f2587f JH |
526 | nr--; /* compensate for loop control */ |
527 | } | |
c8610a2e JH |
528 | if (hit && opt->status_only) |
529 | break; | |
5010cb5f | 530 | } |
0281e487 BW |
531 | |
532 | strbuf_release(&name); | |
5010cb5f JH |
533 | return hit; |
534 | } | |
535 | ||
f34bbc15 | 536 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, |
55c61688 | 537 | struct tree_desc *tree, struct strbuf *base, int tn_len, |
f9ee2fcd | 538 | int check_attr, struct repository *repo) |
5010cb5f | 539 | { |
d688cf07 NTND |
540 | int hit = 0; |
541 | enum interesting match = entry_not_interesting; | |
4c068a98 | 542 | struct name_entry entry; |
e5e062b6 | 543 | int old_baselen = base->len; |
74ed4371 BW |
544 | struct strbuf name = STRBUF_INIT; |
545 | int name_base_len = 0; | |
f9ee2fcd BW |
546 | if (repo->submodule_prefix) { |
547 | strbuf_addstr(&name, repo->submodule_prefix); | |
74ed4371 BW |
548 | name_base_len = name.len; |
549 | } | |
5010cb5f | 550 | |
4c068a98 | 551 | while (tree_entry(tree, &entry)) { |
0de16337 | 552 | int te_len = tree_entry_len(&entry); |
e5e062b6 | 553 | |
d688cf07 | 554 | if (match != all_entries_interesting) { |
74ed4371 | 555 | strbuf_addstr(&name, base->buf + tn_len); |
67022e02 NTND |
556 | match = tree_entry_interesting(repo->index, |
557 | &entry, &name, | |
74ed4371 BW |
558 | 0, pathspec); |
559 | strbuf_setlen(&name, name_base_len); | |
560 | ||
d688cf07 | 561 | if (match == all_entries_not_interesting) |
97d0b74a | 562 | break; |
d688cf07 | 563 | if (match == entry_not_interesting) |
1376e507 NTND |
564 | continue; |
565 | } | |
5010cb5f | 566 | |
1376e507 | 567 | strbuf_add(base, entry.path, te_len); |
e0eb889f | 568 | |
1376e507 | 569 | if (S_ISREG(entry.mode)) { |
1db11086 | 570 | hit |= grep_oid(opt, entry.oid, base->buf, tn_len, |
55c61688 | 571 | check_attr ? base->buf + tn_len : NULL); |
74ed4371 | 572 | } else if (S_ISDIR(entry.mode)) { |
21666f1a | 573 | enum object_type type; |
5010cb5f JH |
574 | struct tree_desc sub; |
575 | void *data; | |
6fda5e51 LT |
576 | unsigned long size; |
577 | ||
1db11086 | 578 | data = lock_and_read_oid_file(entry.oid, &type, &size); |
5010cb5f | 579 | if (!data) |
2fc5f9f1 | 580 | die(_("unable to read tree (%s)"), |
7d924c91 | 581 | oid_to_hex(entry.oid)); |
1376e507 NTND |
582 | |
583 | strbuf_addch(base, '/'); | |
6fda5e51 | 584 | init_tree_desc(&sub, data, size); |
55c61688 | 585 | hit |= grep_tree(opt, pathspec, &sub, base, tn_len, |
f9ee2fcd | 586 | check_attr, repo); |
5010cb5f | 587 | free(data); |
74ed4371 | 588 | } else if (recurse_submodules && S_ISGITLINK(entry.mode)) { |
f9ee2fcd BW |
589 | hit |= grep_submodule(opt, repo, pathspec, entry.oid, |
590 | base->buf, base->buf + tn_len); | |
5010cb5f | 591 | } |
74ed4371 | 592 | |
e5e062b6 NTND |
593 | strbuf_setlen(base, old_baselen); |
594 | ||
c8610a2e JH |
595 | if (hit && opt->status_only) |
596 | break; | |
5010cb5f | 597 | } |
74ed4371 BW |
598 | |
599 | strbuf_release(&name); | |
5010cb5f JH |
600 | return hit; |
601 | } | |
602 | ||
f34bbc15 | 603 | static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, |
6856077a | 604 | struct object *obj, const char *name, const char *path) |
5010cb5f | 605 | { |
1974632c | 606 | if (obj->type == OBJ_BLOB) |
1db11086 | 607 | return grep_oid(opt, &obj->oid, name, 0, path); |
1974632c | 608 | if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { |
5010cb5f JH |
609 | struct tree_desc tree; |
610 | void *data; | |
6fda5e51 | 611 | unsigned long size; |
e5e062b6 NTND |
612 | struct strbuf base; |
613 | int hit, len; | |
614 | ||
b3aeb285 | 615 | grep_read_lock(); |
02f0547e | 616 | data = read_object_with_reference(&obj->oid, tree_type, |
6fda5e51 | 617 | &size, NULL); |
b3aeb285 | 618 | grep_read_unlock(); |
8cb5775b | 619 | |
5010cb5f | 620 | if (!data) |
f2fd0760 | 621 | die(_("unable to read tree (%s)"), oid_to_hex(&obj->oid)); |
e5e062b6 NTND |
622 | |
623 | len = name ? strlen(name) : 0; | |
624 | strbuf_init(&base, PATH_MAX + len + 1); | |
625 | if (len) { | |
626 | strbuf_add(&base, name, len); | |
627 | strbuf_addch(&base, ':'); | |
628 | } | |
6fda5e51 | 629 | init_tree_desc(&tree, data, size); |
55c61688 | 630 | hit = grep_tree(opt, pathspec, &tree, &base, base.len, |
6856077a | 631 | obj->type == OBJ_COMMIT, the_repository); |
e5e062b6 | 632 | strbuf_release(&base); |
5010cb5f JH |
633 | free(data); |
634 | return hit; | |
635 | } | |
debca9d2 | 636 | die(_("unable to grep from object of type %s"), type_name(obj->type)); |
5010cb5f JH |
637 | } |
638 | ||
f34bbc15 | 639 | static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, |
30d00c39 JN |
640 | const struct object_array *list) |
641 | { | |
642 | unsigned int i; | |
643 | int hit = 0; | |
644 | const unsigned int nr = list->nr; | |
645 | ||
646 | for (i = 0; i < nr; i++) { | |
647 | struct object *real_obj; | |
a74093da SB |
648 | real_obj = deref_tag(the_repository, list->objects[i].item, |
649 | NULL, 0); | |
74ed4371 BW |
650 | |
651 | /* load the gitmodules file for this rev */ | |
652 | if (recurse_submodules) { | |
f793b895 | 653 | submodule_free(the_repository); |
cd73de47 | 654 | gitmodules_config_oid(&real_obj->oid); |
74ed4371 | 655 | } |
6856077a JT |
656 | if (grep_object(opt, pathspec, real_obj, list->objects[i].name, |
657 | list->objects[i].path)) { | |
30d00c39 JN |
658 | hit = 1; |
659 | if (opt->status_only) | |
660 | break; | |
661 | } | |
662 | } | |
663 | return hit; | |
664 | } | |
665 | ||
dbfae86a | 666 | static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, |
85975c0c | 667 | int exc_std, int use_index) |
59332d13 JH |
668 | { |
669 | struct dir_struct dir; | |
670 | int i, hit = 0; | |
671 | ||
672 | memset(&dir, 0, sizeof(dir)); | |
85975c0c JK |
673 | if (!use_index) |
674 | dir.flags |= DIR_NO_GITLINKS; | |
0a93fb8a JH |
675 | if (exc_std) |
676 | setup_standard_excludes(&dir); | |
59332d13 | 677 | |
0d32c183 | 678 | fill_directory(&dir, &the_index, pathspec); |
59332d13 | 679 | for (i = 0; i < dir.nr; i++) { |
6d2df284 | 680 | if (!dir_path_match(&the_index, dir.entries[i], pathspec, 0, NULL)) |
9d8b831b | 681 | continue; |
59332d13 JH |
682 | hit |= grep_file(opt, dir.entries[i]->name); |
683 | if (hit && opt->status_only) | |
684 | break; | |
685 | } | |
59332d13 JH |
686 | return hit; |
687 | } | |
688 | ||
ff3c7f9a RS |
689 | static int context_callback(const struct option *opt, const char *arg, |
690 | int unset) | |
3e230fa1 RS |
691 | { |
692 | struct grep_opt *grep_opt = opt->value; | |
693 | int value; | |
694 | const char *endp; | |
695 | ||
696 | if (unset) { | |
697 | grep_opt->pre_context = grep_opt->post_context = 0; | |
698 | return 0; | |
699 | } | |
700 | value = strtol(arg, (char **)&endp, 10); | |
701 | if (*endp) { | |
2fc5f9f1 | 702 | return error(_("switch `%c' expects a numerical value"), |
3e230fa1 RS |
703 | opt->short_name); |
704 | } | |
705 | grep_opt->pre_context = grep_opt->post_context = value; | |
706 | return 0; | |
707 | } | |
708 | ||
ff3c7f9a | 709 | static int file_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
710 | { |
711 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 712 | int from_stdin; |
3e230fa1 RS |
713 | FILE *patterns; |
714 | int lno = 0; | |
cfe370c6 | 715 | struct strbuf sb = STRBUF_INIT; |
3e230fa1 | 716 | |
517fe807 JK |
717 | BUG_ON_OPT_NEG(unset); |
718 | ||
719 | from_stdin = !strcmp(arg, "-"); | |
c41dd2fd | 720 | patterns = from_stdin ? stdin : fopen(arg, "r"); |
3e230fa1 | 721 | if (!patterns) |
2fc5f9f1 | 722 | die_errno(_("cannot open '%s'"), arg); |
a5518431 | 723 | while (strbuf_getline(&sb, patterns) == 0) { |
3e230fa1 RS |
724 | /* ignore empty line like grep does */ |
725 | if (sb.len == 0) | |
726 | continue; | |
ed40a095 | 727 | |
ec830611 RS |
728 | append_grep_pat(grep_opt, sb.buf, sb.len, arg, ++lno, |
729 | GREP_PATTERN); | |
3e230fa1 | 730 | } |
c41dd2fd RS |
731 | if (!from_stdin) |
732 | fclose(patterns); | |
3e230fa1 RS |
733 | strbuf_release(&sb); |
734 | return 0; | |
735 | } | |
736 | ||
ff3c7f9a | 737 | static int not_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
738 | { |
739 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
740 | BUG_ON_OPT_NEG(unset); |
741 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
742 | append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); |
743 | return 0; | |
744 | } | |
745 | ||
ff3c7f9a | 746 | static int and_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
747 | { |
748 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
749 | BUG_ON_OPT_NEG(unset); |
750 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
751 | append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); |
752 | return 0; | |
753 | } | |
754 | ||
ff3c7f9a | 755 | static int open_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
756 | { |
757 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
758 | BUG_ON_OPT_NEG(unset); |
759 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
760 | append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); |
761 | return 0; | |
762 | } | |
763 | ||
ff3c7f9a | 764 | static int close_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
765 | { |
766 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
767 | BUG_ON_OPT_NEG(unset); |
768 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
769 | append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); |
770 | return 0; | |
771 | } | |
772 | ||
ff3c7f9a RS |
773 | static int pattern_callback(const struct option *opt, const char *arg, |
774 | int unset) | |
3e230fa1 RS |
775 | { |
776 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 777 | BUG_ON_OPT_NEG(unset); |
3e230fa1 RS |
778 | append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); |
779 | return 0; | |
780 | } | |
5010cb5f | 781 | |
a633fca0 | 782 | int cmd_grep(int argc, const char **argv, const char *prefix) |
5010cb5f | 783 | { |
5010cb5f | 784 | int hit = 0; |
0a93fb8a | 785 | int cached = 0, untracked = 0, opt_exclude = -1; |
5acd64ed | 786 | int seen_dashdash = 0; |
bbc09c22 | 787 | int external_grep_allowed__ignored; |
0af88c15 | 788 | const char *show_in_pager = NULL, *default_pager = "dummy"; |
5010cb5f | 789 | struct grep_opt opt; |
3cd47459 | 790 | struct object_array list = OBJECT_ARRAY_INIT; |
f34bbc15 | 791 | struct pathspec pathspec; |
183113a5 | 792 | struct string_list path_list = STRING_LIST_INIT_NODUP; |
5acd64ed | 793 | int i; |
3e230fa1 | 794 | int dummy; |
ff38d1a9 | 795 | int use_index = 1; |
84befcd0 | 796 | int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED; |
131f3c96 | 797 | int allow_revs; |
cca2c172 | 798 | |
3e230fa1 | 799 | struct option options[] = { |
d5d09d47 | 800 | OPT_BOOL(0, "cached", &cached, |
4b407bc5 | 801 | N_("search in index instead of in the work tree")), |
cbb08c2e | 802 | OPT_NEGBIT(0, "no-index", &use_index, |
f63cf8c9 | 803 | N_("find in contents not managed by git"), 1), |
d5d09d47 | 804 | OPT_BOOL(0, "untracked", &untracked, |
4b407bc5 | 805 | N_("search in both tracked and untracked files")), |
0a93fb8a | 806 | OPT_SET_INT(0, "exclude-standard", &opt_exclude, |
77fdb8a8 | 807 | N_("ignore files specified via '.gitignore'"), 1), |
0281e487 | 808 | OPT_BOOL(0, "recurse-submodules", &recurse_submodules, |
4fb1c6aa | 809 | N_("recursively search in each submodule")), |
3e230fa1 | 810 | OPT_GROUP(""), |
d5d09d47 | 811 | OPT_BOOL('v', "invert-match", &opt.invert, |
4b407bc5 | 812 | N_("show non-matching lines")), |
d5d09d47 | 813 | OPT_BOOL('i', "ignore-case", &opt.ignore_case, |
4b407bc5 | 814 | N_("case insensitive matching")), |
d5d09d47 | 815 | OPT_BOOL('w', "word-regexp", &opt.word_regexp, |
4b407bc5 | 816 | N_("match patterns only at word boundaries")), |
3e230fa1 | 817 | OPT_SET_INT('a', "text", &opt.binary, |
4b407bc5 | 818 | N_("process binary files as text"), GREP_BINARY_TEXT), |
3e230fa1 | 819 | OPT_SET_INT('I', NULL, &opt.binary, |
4b407bc5 | 820 | N_("don't match patterns in binary files"), |
3e230fa1 | 821 | GREP_BINARY_NOMATCH), |
335ec3bf JK |
822 | OPT_BOOL(0, "textconv", &opt.allow_textconv, |
823 | N_("process binary files with textconv filters")), | |
0a09e5ed RS |
824 | OPT_SET_INT('r', "recursive", &opt.max_depth, |
825 | N_("search in subdirectories (default)"), -1), | |
4b407bc5 NTND |
826 | { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"), |
827 | N_("descend at most <depth> levels"), PARSE_OPT_NONEG, | |
a91f453f | 828 | NULL, 1 }, |
3e230fa1 | 829 | OPT_GROUP(""), |
84befcd0 | 830 | OPT_SET_INT('E', "extended-regexp", &pattern_type_arg, |
4b407bc5 | 831 | N_("use extended POSIX regular expressions"), |
84befcd0 S |
832 | GREP_PATTERN_TYPE_ERE), |
833 | OPT_SET_INT('G', "basic-regexp", &pattern_type_arg, | |
4b407bc5 | 834 | N_("use basic POSIX regular expressions (default)"), |
84befcd0 S |
835 | GREP_PATTERN_TYPE_BRE), |
836 | OPT_SET_INT('F', "fixed-strings", &pattern_type_arg, | |
4b407bc5 | 837 | N_("interpret patterns as fixed strings"), |
84befcd0 S |
838 | GREP_PATTERN_TYPE_FIXED), |
839 | OPT_SET_INT('P', "perl-regexp", &pattern_type_arg, | |
4b407bc5 | 840 | N_("use Perl-compatible regular expressions"), |
84befcd0 | 841 | GREP_PATTERN_TYPE_PCRE), |
3e230fa1 | 842 | OPT_GROUP(""), |
d5d09d47 | 843 | OPT_BOOL('n', "line-number", &opt.linenum, N_("show line numbers")), |
a449f27f | 844 | OPT_BOOL(0, "column", &opt.columnnum, N_("show column number of first match")), |
4b407bc5 NTND |
845 | OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1), |
846 | OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1), | |
3e230fa1 | 847 | OPT_NEGBIT(0, "full-name", &opt.relative, |
4b407bc5 | 848 | N_("show filenames relative to top directory"), 1), |
d5d09d47 | 849 | OPT_BOOL('l', "files-with-matches", &opt.name_only, |
4b407bc5 | 850 | N_("show only filenames instead of matching lines")), |
d5d09d47 | 851 | OPT_BOOL(0, "name-only", &opt.name_only, |
4b407bc5 | 852 | N_("synonym for --files-with-matches")), |
d5d09d47 | 853 | OPT_BOOL('L', "files-without-match", |
3e230fa1 | 854 | &opt.unmatch_name_only, |
4b407bc5 | 855 | N_("show only the names of files without match")), |
caf2de33 NTND |
856 | OPT_BOOL_F('z', "null", &opt.null_following_name, |
857 | N_("print NUL after filenames"), | |
858 | PARSE_OPT_NOCOMPLETE), | |
9d8db06e TB |
859 | OPT_BOOL('o', "only-matching", &opt.only_matching, |
860 | N_("show only matching parts of a line")), | |
d5d09d47 | 861 | OPT_BOOL('c', "count", &opt.count, |
4b407bc5 NTND |
862 | N_("show the number of matches instead of matching lines")), |
863 | OPT__COLOR(&opt.color, N_("highlight matches")), | |
d5d09d47 | 864 | OPT_BOOL(0, "break", &opt.file_break, |
4b407bc5 | 865 | N_("print empty line between matches from different files")), |
d5d09d47 | 866 | OPT_BOOL(0, "heading", &opt.heading, |
4b407bc5 | 867 | N_("show filename only once above matches from same file")), |
3e230fa1 | 868 | OPT_GROUP(""), |
4b407bc5 NTND |
869 | OPT_CALLBACK('C', "context", &opt, N_("n"), |
870 | N_("show <n> context lines before and after matches"), | |
3e230fa1 | 871 | context_callback), |
317f63c2 | 872 | OPT_INTEGER('B', "before-context", &opt.pre_context, |
4b407bc5 | 873 | N_("show <n> context lines before matches")), |
317f63c2 | 874 | OPT_INTEGER('A', "after-context", &opt.post_context, |
4b407bc5 | 875 | N_("show <n> context lines after matches")), |
89f09dd3 VL |
876 | OPT_INTEGER(0, "threads", &num_threads, |
877 | N_("use <n> worker threads")), | |
4b407bc5 | 878 | OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"), |
3e230fa1 | 879 | context_callback), |
d5d09d47 | 880 | OPT_BOOL('p', "show-function", &opt.funcname, |
4b407bc5 | 881 | N_("show a line with the function name before matches")), |
d5d09d47 | 882 | OPT_BOOL('W', "function-context", &opt.funcbody, |
4b407bc5 | 883 | N_("show the surrounding function")), |
3e230fa1 | 884 | OPT_GROUP(""), |
4b407bc5 NTND |
885 | OPT_CALLBACK('f', NULL, &opt, N_("file"), |
886 | N_("read patterns from file"), file_callback), | |
887 | { OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"), | |
888 | N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback }, | |
3e230fa1 | 889 | { OPTION_CALLBACK, 0, "and", &opt, NULL, |
4b407bc5 | 890 | N_("combine patterns specified with -e"), |
3e230fa1 | 891 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback }, |
d5d09d47 | 892 | OPT_BOOL(0, "or", &dummy, ""), |
3e230fa1 RS |
893 | { OPTION_CALLBACK, 0, "not", &opt, NULL, "", |
894 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback }, | |
895 | { OPTION_CALLBACK, '(', NULL, &opt, NULL, "", | |
896 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
897 | open_callback }, | |
898 | { OPTION_CALLBACK, ')', NULL, &opt, NULL, "", | |
899 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
900 | close_callback }, | |
d52ee6e6 | 901 | OPT__QUIET(&opt.status_only, |
4b407bc5 | 902 | N_("indicate hit with exit status without output")), |
d5d09d47 | 903 | OPT_BOOL(0, "all-match", &opt.all_match, |
4b407bc5 | 904 | N_("show only matches from files that match all patterns")), |
3e4a67b4 NTND |
905 | OPT_SET_INT_F(0, "debug", &opt.debug, |
906 | N_("show parse tree for grep expression"), | |
907 | 1, PARSE_OPT_HIDDEN), | |
3e230fa1 | 908 | OPT_GROUP(""), |
0af88c15 | 909 | { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, |
4b407bc5 | 910 | N_("pager"), N_("show matching files in the pager"), |
caf2de33 NTND |
911 | PARSE_OPT_OPTARG | PARSE_OPT_NOCOMPLETE, |
912 | NULL, (intptr_t)default_pager }, | |
913 | OPT_BOOL_F(0, "ext-grep", &external_grep_allowed__ignored, | |
914 | N_("allow calling of grep(1) (ignored by this build)"), | |
915 | PARSE_OPT_NOCOMPLETE), | |
3e230fa1 RS |
916 | OPT_END() |
917 | }; | |
5010cb5f | 918 | |
38bbc2ea | 919 | init_grep_defaults(the_repository); |
15fabd1b | 920 | git_config(grep_cmd_config, NULL); |
38bbc2ea | 921 | grep_init(&opt, the_repository, prefix); |
7e8f59d5 | 922 | |
5010cb5f | 923 | /* |
5acd64ed JH |
924 | * If there is no -- then the paths must exist in the working |
925 | * tree. If there is no explicit pattern specified with -e or | |
926 | * -f, we take the first unrecognized non option to be the | |
927 | * pattern, but then what follows it must be zero or more | |
928 | * valid refs up to the -- (if exists), and then existing | |
929 | * paths. If there is an explicit pattern, then the first | |
82e5a82f | 930 | * unrecognized non option is the beginning of the refs list |
5acd64ed | 931 | * that continues up to the -- (if exists), and then paths. |
5010cb5f | 932 | */ |
37782920 | 933 | argc = parse_options(argc, argv, prefix, options, grep_usage, |
3e230fa1 | 934 | PARSE_OPT_KEEP_DASHDASH | |
44415499 | 935 | PARSE_OPT_STOP_AT_NON_OPTION); |
c5c31d33 | 936 | grep_commit_pattern_type(pattern_type_arg, &opt); |
3e230fa1 | 937 | |
ecd9ba61 TG |
938 | if (use_index && !startup_info->have_repository) { |
939 | int fallback = 0; | |
940 | git_config_get_bool("grep.fallbacktonoindex", &fallback); | |
941 | if (fallback) | |
942 | use_index = 0; | |
943 | else | |
944 | /* die the same way as if we did it at the beginning */ | |
945 | setup_git_directory(); | |
946 | } | |
59332d13 | 947 | |
1123c67c JK |
948 | /* |
949 | * skip a -- separator; we know it cannot be | |
950 | * separating revisions from pathnames if | |
951 | * we haven't even had any patterns yet | |
952 | */ | |
953 | if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) { | |
954 | argv++; | |
955 | argc--; | |
956 | } | |
957 | ||
3e230fa1 RS |
958 | /* First unrecognized non-option token */ |
959 | if (argc > 0 && !opt.pattern_list) { | |
960 | append_grep_pattern(&opt, argv[0], "command line", 0, | |
961 | GREP_PATTERN); | |
962 | argv++; | |
963 | argc--; | |
5010cb5f | 964 | } |
5acd64ed | 965 | |
0af88c15 JS |
966 | if (show_in_pager == default_pager) |
967 | show_in_pager = git_pager(1); | |
678e484b | 968 | if (show_in_pager) { |
e7b082a4 | 969 | opt.color = 0; |
0af88c15 JS |
970 | opt.name_only = 1; |
971 | opt.null_following_name = 1; | |
972 | opt.output_priv = &path_list; | |
973 | opt.output = append_path; | |
0c72cead | 974 | string_list_append(&path_list, show_in_pager); |
678e484b JS |
975 | } |
976 | ||
f9b9faf6 | 977 | if (!opt.pattern_list) |
1a07e59c | 978 | die(_("no pattern given")); |
5b594f45 | 979 | |
9d8db06e TB |
980 | /* --only-matching has no effect with --invert. */ |
981 | if (opt.invert) | |
982 | opt.only_matching = 0; | |
983 | ||
b5b81136 JK |
984 | /* |
985 | * We have to find "--" in a separate pass, because its presence | |
986 | * influences how we will parse arguments that come before it. | |
987 | */ | |
988 | for (i = 0; i < argc; i++) { | |
989 | if (!strcmp(argv[i], "--")) { | |
990 | seen_dashdash = 1; | |
991 | break; | |
992 | } | |
993 | } | |
994 | ||
995 | /* | |
996 | * Resolve any rev arguments. If we have a dashdash, then everything up | |
997 | * to it must resolve as a rev. If not, then we stop at the first | |
998 | * non-rev and assume everything else is a path. | |
999 | */ | |
131f3c96 | 1000 | allow_revs = use_index && !untracked; |
3e230fa1 | 1001 | for (i = 0; i < argc; i++) { |
5acd64ed | 1002 | const char *arg = argv[i]; |
1db11086 | 1003 | struct object_id oid; |
afa15f3c | 1004 | struct object_context oc; |
20d6421c JK |
1005 | struct object *object; |
1006 | ||
dca3b5f5 JT |
1007 | if (!strcmp(arg, "--")) { |
1008 | i++; | |
dca3b5f5 JT |
1009 | break; |
1010 | } | |
20d6421c | 1011 | |
131f3c96 | 1012 | if (!allow_revs) { |
d0ffc069 | 1013 | if (seen_dashdash) |
131f3c96 | 1014 | die(_("--no-index or --untracked cannot be used with revs")); |
d0ffc069 JK |
1015 | break; |
1016 | } | |
1017 | ||
321c89bf | 1018 | if (get_oid_with_context(arg, GET_OID_RECORD_PATH, |
e82caf38 | 1019 | &oid, &oc)) { |
b5b81136 JK |
1020 | if (seen_dashdash) |
1021 | die(_("unable to resolve revision: %s"), arg); | |
20d6421c | 1022 | break; |
b5b81136 | 1023 | } |
20d6421c | 1024 | |
c251c83d | 1025 | object = parse_object_or_die(&oid, arg); |
20d6421c JK |
1026 | if (!seen_dashdash) |
1027 | verify_non_filename(prefix, arg); | |
1028 | add_object_array_with_path(object, arg, &list, oc.mode, oc.path); | |
dc944b65 | 1029 | free(oc.path); |
1362671f | 1030 | } |
5acd64ed | 1031 | |
b5b81136 JK |
1032 | /* |
1033 | * Anything left over is presumed to be a path. But in the non-dashdash | |
1034 | * "do what I mean" case, we verify and complain when that isn't true. | |
1035 | */ | |
a0fe2b0d JK |
1036 | if (!seen_dashdash) { |
1037 | int j; | |
1038 | for (j = i; j < argc; j++) | |
131f3c96 | 1039 | verify_filename(prefix, argv[j], j == i && allow_revs); |
a0fe2b0d JK |
1040 | } |
1041 | ||
1042 | parse_pathspec(&pathspec, 0, | |
1043 | PATHSPEC_PREFER_CWD | | |
1044 | (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0), | |
1045 | prefix, argv + i); | |
1046 | pathspec.max_depth = opt.max_depth; | |
1047 | pathspec.recursive = 1; | |
eef3df5a | 1048 | pathspec.recurse_submodules = !!recurse_submodules; |
a0fe2b0d | 1049 | |
fd6263fb NTND |
1050 | if (list.nr || cached || show_in_pager) { |
1051 | if (num_threads > 1) | |
1052 | warning(_("invalid option combination, ignoring --threads")); | |
1053 | num_threads = 1; | |
1054 | } else if (!HAVE_THREADS && num_threads > 1) { | |
d1edee4a | 1055 | warning(_("no threads support, ignoring --threads")); |
fd6263fb NTND |
1056 | num_threads = 1; |
1057 | } else if (num_threads < 0) | |
1058 | die(_("invalid number of threads specified (%d)"), num_threads); | |
1059 | else if (num_threads == 0) | |
1060 | num_threads = HAVE_THREADS ? GREP_NUM_THREADS_DEFAULT : 1; | |
53b8d931 | 1061 | |
fd6263fb NTND |
1062 | if (num_threads > 1) { |
1063 | if (!HAVE_THREADS) | |
1064 | BUG("Somebody got num_threads calculation wrong!"); | |
1065 | if (!(opt.name_only || opt.unmatch_name_only || opt.count) | |
1066 | && (opt.pre_context || opt.post_context || | |
1067 | opt.file_break || opt.funcbody)) | |
1068 | skip_first_line = 1; | |
1069 | start_threads(&opt); | |
4002e87c | 1070 | } else { |
6d423dd5 ÆAB |
1071 | /* |
1072 | * The compiled patterns on the main path are only | |
1073 | * used when not using threading. Otherwise | |
fd6263fb | 1074 | * start_threads() above calls compile_grep_patterns() |
6d423dd5 ÆAB |
1075 | * for each thread. |
1076 | */ | |
1077 | compile_grep_patterns(&opt); | |
53b8d931 | 1078 | } |
53b8d931 | 1079 | |
678e484b | 1080 | if (show_in_pager && (cached || list.nr)) |
e4fe4ba5 | 1081 | die(_("--open-files-in-pager only works on the worktree")); |
678e484b JS |
1082 | |
1083 | if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) { | |
1084 | const char *pager = path_list.items[0].string; | |
1085 | int len = strlen(pager); | |
1086 | ||
1087 | if (len > 4 && is_dir_sep(pager[len - 5])) | |
1088 | pager += len - 4; | |
1089 | ||
f7febbea JS |
1090 | if (opt.ignore_case && !strcmp("less", pager)) |
1091 | string_list_append(&path_list, "-I"); | |
1092 | ||
678e484b JS |
1093 | if (!strcmp("less", pager) || !strcmp("vi", pager)) { |
1094 | struct strbuf buf = STRBUF_INIT; | |
1095 | strbuf_addf(&buf, "+/%s%s", | |
1096 | strcmp("less", pager) ? "" : "*", | |
1097 | opt.pattern_list->pattern); | |
0c72cead | 1098 | string_list_append(&path_list, buf.buf); |
678e484b JS |
1099 | strbuf_detach(&buf, NULL); |
1100 | } | |
1101 | } | |
1102 | ||
74ed4371 | 1103 | if (recurse_submodules && (!use_index || untracked)) |
1a07e59c | 1104 | die(_("option not supported with --recurse-submodules")); |
0281e487 | 1105 | |
c2048f0b | 1106 | if (!show_in_pager && !opt.status_only) |
678e484b JS |
1107 | setup_pager(); |
1108 | ||
0a93fb8a | 1109 | if (!use_index && (untracked || cached)) |
1a07e59c | 1110 | die(_("--cached or --untracked cannot be used with --no-index")); |
678e484b | 1111 | |
0a93fb8a | 1112 | if (!use_index || untracked) { |
0a93fb8a | 1113 | int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; |
85975c0c | 1114 | hit = grep_directory(&opt, &pathspec, use_exclude, use_index); |
dbfae86a | 1115 | } else if (0 <= opt_exclude) { |
1a07e59c | 1116 | die(_("--[no-]exclude-standard cannot be used for tracked contents")); |
685359cf | 1117 | } else if (!list.nr) { |
6577f542 NTND |
1118 | if (!cached) |
1119 | setup_work_tree(); | |
5b594f45 | 1120 | |
f9ee2fcd | 1121 | hit = grep_cache(&opt, the_repository, &pathspec, cached); |
685359cf JS |
1122 | } else { |
1123 | if (cached) | |
1a07e59c | 1124 | die(_("both --cached and trees are given")); |
f9ee2fcd | 1125 | |
6856077a | 1126 | hit = grep_objects(&opt, &pathspec, &list); |
5010cb5f | 1127 | } |
5b594f45 | 1128 | |
fd6263fb | 1129 | if (num_threads > 1) |
5b594f45 | 1130 | hit |= wait_all(); |
678e484b JS |
1131 | if (hit && show_in_pager) |
1132 | run_pager(&opt, prefix); | |
7861fa07 | 1133 | clear_pathspec(&pathspec); |
b48fb5b6 | 1134 | free_grep_patterns(&opt); |
5010cb5f JH |
1135 | return !hit; |
1136 | } |