]>
Commit | Line | Data |
---|---|---|
5010cb5f JH |
1 | /* |
2 | * Builtin "git grep" | |
3 | * | |
4 | * Copyright (c) 2006 Junio C Hamano | |
5 | */ | |
f8adbec9 | 6 | #define USE_THE_INDEX_COMPATIBILITY_MACROS |
5010cb5f | 7 | #include "cache.h" |
627d9342 | 8 | #include "repository.h" |
b2141fc1 | 9 | #include "config.h" |
5010cb5f JH |
10 | #include "blob.h" |
11 | #include "tree.h" | |
12 | #include "commit.h" | |
13 | #include "tag.h" | |
1362671f | 14 | #include "tree-walk.h" |
5010cb5f | 15 | #include "builtin.h" |
3e230fa1 | 16 | #include "parse-options.h" |
678e484b JS |
17 | #include "string-list.h" |
18 | #include "run-command.h" | |
60ecac98 | 19 | #include "userdiff.h" |
83b5d2f5 | 20 | #include "grep.h" |
493b7a08 | 21 | #include "quote.h" |
59332d13 | 22 | #include "dir.h" |
64acde94 | 23 | #include "pathspec.h" |
0281e487 | 24 | #include "submodule.h" |
74ed4371 | 25 | #include "submodule-config.h" |
90c62155 | 26 | #include "object-store.h" |
5b594f45 | 27 | |
3e230fa1 | 28 | static char const * const grep_usage[] = { |
9c9b4f2f | 29 | N_("git grep [<options>] [-e] <pattern> [<rev>...] [[--] <path>...]"), |
3e230fa1 RS |
30 | NULL |
31 | }; | |
32 | ||
0281e487 | 33 | static int recurse_submodules; |
0281e487 | 34 | |
89f09dd3 VL |
35 | #define GREP_NUM_THREADS_DEFAULT 8 |
36 | static int num_threads; | |
5b594f45 | 37 | |
89f09dd3 | 38 | static pthread_t *threads; |
5b594f45 | 39 | |
5b594f45 FK |
40 | /* We use one producer thread and THREADS consumer |
41 | * threads. The producer adds struct work_items to 'todo' and the | |
42 | * consumers pick work items from the same array. | |
43 | */ | |
9cba13ca | 44 | struct work_item { |
8f24a632 | 45 | struct grep_source source; |
5b594f45 FK |
46 | char done; |
47 | struct strbuf out; | |
48 | }; | |
49 | ||
50 | /* In the range [todo_done, todo_start) in 'todo' we have work_items | |
51 | * that have been or are processed by a consumer thread. We haven't | |
52 | * written the result for these to stdout yet. | |
53 | * | |
54 | * The work_items in [todo_start, todo_end) are waiting to be picked | |
55 | * up by a consumer thread. | |
56 | * | |
57 | * The ranges are modulo TODO_SIZE. | |
58 | */ | |
59 | #define TODO_SIZE 128 | |
60 | static struct work_item todo[TODO_SIZE]; | |
61 | static int todo_start; | |
62 | static int todo_end; | |
63 | static int todo_done; | |
64 | ||
65 | /* Has all work items been added? */ | |
66 | static int all_work_added; | |
67 | ||
68 | /* This lock protects all the variables above. */ | |
69 | static pthread_mutex_t grep_mutex; | |
70 | ||
1487a12b JH |
71 | static inline void grep_lock(void) |
72 | { | |
8df4c295 | 73 | pthread_mutex_lock(&grep_mutex); |
1487a12b JH |
74 | } |
75 | ||
76 | static inline void grep_unlock(void) | |
77 | { | |
8df4c295 | 78 | pthread_mutex_unlock(&grep_mutex); |
1487a12b JH |
79 | } |
80 | ||
5b594f45 FK |
81 | /* Signalled when a new work_item is added to todo. */ |
82 | static pthread_cond_t cond_add; | |
83 | ||
84 | /* Signalled when the result from one work_item is written to | |
85 | * stdout. | |
86 | */ | |
87 | static pthread_cond_t cond_write; | |
88 | ||
89 | /* Signalled when we are finished with everything. */ | |
90 | static pthread_cond_t cond_result; | |
91 | ||
08303c36 | 92 | static int skip_first_line; |
431d6e7b | 93 | |
e2e05d61 | 94 | static void add_work(struct grep_opt *opt, const struct grep_source *gs) |
5b594f45 FK |
95 | { |
96 | grep_lock(); | |
97 | ||
98 | while ((todo_end+1) % ARRAY_SIZE(todo) == todo_done) { | |
99 | pthread_cond_wait(&cond_write, &grep_mutex); | |
100 | } | |
101 | ||
e2e05d61 | 102 | todo[todo_end].source = *gs; |
9dd5245c | 103 | if (opt->binary != GREP_BINARY_TEXT) |
acd00ea0 NTND |
104 | grep_source_load_driver(&todo[todo_end].source, |
105 | opt->repo->index); | |
5b594f45 FK |
106 | todo[todo_end].done = 0; |
107 | strbuf_reset(&todo[todo_end].out); | |
108 | todo_end = (todo_end + 1) % ARRAY_SIZE(todo); | |
109 | ||
110 | pthread_cond_signal(&cond_add); | |
111 | grep_unlock(); | |
112 | } | |
113 | ||
114 | static struct work_item *get_work(void) | |
115 | { | |
116 | struct work_item *ret; | |
117 | ||
118 | grep_lock(); | |
119 | while (todo_start == todo_end && !all_work_added) { | |
120 | pthread_cond_wait(&cond_add, &grep_mutex); | |
121 | } | |
122 | ||
123 | if (todo_start == todo_end && all_work_added) { | |
124 | ret = NULL; | |
125 | } else { | |
126 | ret = &todo[todo_start]; | |
127 | todo_start = (todo_start + 1) % ARRAY_SIZE(todo); | |
128 | } | |
129 | grep_unlock(); | |
130 | return ret; | |
131 | } | |
132 | ||
5b594f45 FK |
133 | static void work_done(struct work_item *w) |
134 | { | |
135 | int old_done; | |
136 | ||
137 | grep_lock(); | |
138 | w->done = 1; | |
139 | old_done = todo_done; | |
140 | for(; todo[todo_done].done && todo_done != todo_start; | |
141 | todo_done = (todo_done+1) % ARRAY_SIZE(todo)) { | |
142 | w = &todo[todo_done]; | |
431d6e7b | 143 | if (w->out.len) { |
08303c36 RS |
144 | const char *p = w->out.buf; |
145 | size_t len = w->out.len; | |
146 | ||
147 | /* Skip the leading hunk mark of the first file. */ | |
148 | if (skip_first_line) { | |
149 | while (len) { | |
150 | len--; | |
151 | if (*p++ == '\n') | |
152 | break; | |
153 | } | |
154 | skip_first_line = 0; | |
155 | } | |
156 | ||
157 | write_or_die(1, p, len); | |
431d6e7b | 158 | } |
8f24a632 | 159 | grep_source_clear(&w->source); |
5b594f45 FK |
160 | } |
161 | ||
162 | if (old_done != todo_done) | |
163 | pthread_cond_signal(&cond_write); | |
164 | ||
165 | if (all_work_added && todo_done == todo_end) | |
166 | pthread_cond_signal(&cond_result); | |
167 | ||
168 | grep_unlock(); | |
169 | } | |
170 | ||
171 | static void *run(void *arg) | |
172 | { | |
173 | int hit = 0; | |
174 | struct grep_opt *opt = arg; | |
175 | ||
176 | while (1) { | |
177 | struct work_item *w = get_work(); | |
178 | if (!w) | |
179 | break; | |
180 | ||
181 | opt->output_priv = w; | |
f9ee2fcd | 182 | hit |= grep_source(opt, &w->source); |
8f24a632 | 183 | grep_source_clear_data(&w->source); |
5b594f45 FK |
184 | work_done(w); |
185 | } | |
bfac23d9 DM |
186 | free_grep_patterns(arg); |
187 | free(arg); | |
5b594f45 FK |
188 | |
189 | return (void*) (intptr_t) hit; | |
190 | } | |
191 | ||
192 | static void strbuf_out(struct grep_opt *opt, const void *buf, size_t size) | |
193 | { | |
194 | struct work_item *w = opt->output_priv; | |
195 | strbuf_add(&w->out, buf, size); | |
196 | } | |
197 | ||
198 | static void start_threads(struct grep_opt *opt) | |
199 | { | |
200 | int i; | |
201 | ||
202 | pthread_mutex_init(&grep_mutex, NULL); | |
b3aeb285 | 203 | pthread_mutex_init(&grep_read_mutex, NULL); |
0579f91d | 204 | pthread_mutex_init(&grep_attr_mutex, NULL); |
5b594f45 FK |
205 | pthread_cond_init(&cond_add, NULL); |
206 | pthread_cond_init(&cond_write, NULL); | |
207 | pthread_cond_init(&cond_result, NULL); | |
78db6ea9 | 208 | grep_use_locks = 1; |
5b594f45 FK |
209 | |
210 | for (i = 0; i < ARRAY_SIZE(todo); i++) { | |
211 | strbuf_init(&todo[i].out, 0); | |
212 | } | |
213 | ||
89f09dd3 VL |
214 | threads = xcalloc(num_threads, sizeof(*threads)); |
215 | for (i = 0; i < num_threads; i++) { | |
5b594f45 FK |
216 | int err; |
217 | struct grep_opt *o = grep_opt_dup(opt); | |
218 | o->output = strbuf_out; | |
6d423dd5 ÆAB |
219 | if (i) |
220 | o->debug = 0; | |
5b594f45 FK |
221 | compile_grep_patterns(o); |
222 | err = pthread_create(&threads[i], NULL, run, o); | |
223 | ||
224 | if (err) | |
2fc5f9f1 | 225 | die(_("grep: failed to create thread: %s"), |
5b594f45 FK |
226 | strerror(err)); |
227 | } | |
228 | } | |
229 | ||
230 | static int wait_all(void) | |
231 | { | |
232 | int hit = 0; | |
233 | int i; | |
234 | ||
4002e87c | 235 | if (!HAVE_THREADS) |
fd6263fb | 236 | BUG("Never call this function unless you have started threads"); |
4002e87c | 237 | |
5b594f45 FK |
238 | grep_lock(); |
239 | all_work_added = 1; | |
240 | ||
241 | /* Wait until all work is done. */ | |
242 | while (todo_done != todo_end) | |
243 | pthread_cond_wait(&cond_result, &grep_mutex); | |
244 | ||
245 | /* Wake up all the consumer threads so they can see that there | |
246 | * is no more work to do. | |
247 | */ | |
248 | pthread_cond_broadcast(&cond_add); | |
249 | grep_unlock(); | |
250 | ||
89f09dd3 | 251 | for (i = 0; i < num_threads; i++) { |
5b594f45 FK |
252 | void *h; |
253 | pthread_join(threads[i], &h); | |
254 | hit |= (int) (intptr_t) h; | |
255 | } | |
256 | ||
89f09dd3 VL |
257 | free(threads); |
258 | ||
5b594f45 | 259 | pthread_mutex_destroy(&grep_mutex); |
b3aeb285 | 260 | pthread_mutex_destroy(&grep_read_mutex); |
0579f91d | 261 | pthread_mutex_destroy(&grep_attr_mutex); |
5b594f45 FK |
262 | pthread_cond_destroy(&cond_add); |
263 | pthread_cond_destroy(&cond_write); | |
264 | pthread_cond_destroy(&cond_result); | |
78db6ea9 | 265 | grep_use_locks = 0; |
5b594f45 FK |
266 | |
267 | return hit; | |
268 | } | |
5b594f45 | 269 | |
15fabd1b JH |
270 | static int grep_cmd_config(const char *var, const char *value, void *cb) |
271 | { | |
272 | int st = grep_config(var, value, cb); | |
33c643bb | 273 | if (git_color_default_config(var, value, cb) < 0) |
15fabd1b | 274 | st = -1; |
89f09dd3 VL |
275 | |
276 | if (!strcmp(var, "grep.threads")) { | |
277 | num_threads = git_config_int(var, value); | |
278 | if (num_threads < 0) | |
279 | die(_("invalid number of threads specified (%d) for %s"), | |
280 | num_threads, var); | |
fd6263fb | 281 | else if (!HAVE_THREADS && num_threads > 1) { |
d1edee4a ÆAB |
282 | /* |
283 | * TRANSLATORS: %s is the configuration | |
284 | * variable for tweaking threads, currently | |
285 | * grep.threads | |
286 | */ | |
287 | warning(_("no threads support, ignoring %s"), var); | |
fd6263fb | 288 | num_threads = 1; |
d1edee4a | 289 | } |
89f09dd3 VL |
290 | } |
291 | ||
9071c078 SB |
292 | if (!strcmp(var, "submodule.recurse")) |
293 | recurse_submodules = git_config_bool(var, value); | |
294 | ||
15fabd1b JH |
295 | return st; |
296 | } | |
297 | ||
1db11086 | 298 | static void *lock_and_read_oid_file(const struct object_id *oid, enum object_type *type, unsigned long *size) |
5f02d315 JH |
299 | { |
300 | void *data; | |
301 | ||
b3aeb285 | 302 | grep_read_lock(); |
b4f5aca4 | 303 | data = read_object_file(oid, type, size); |
b3aeb285 | 304 | grep_read_unlock(); |
5b594f45 FK |
305 | return data; |
306 | } | |
307 | ||
1db11086 | 308 | static int grep_oid(struct grep_opt *opt, const struct object_id *oid, |
55c61688 NTND |
309 | const char *filename, int tree_name_len, |
310 | const char *path) | |
5b594f45 FK |
311 | { |
312 | struct strbuf pathbuf = STRBUF_INIT; | |
e2e05d61 | 313 | struct grep_source gs; |
5b594f45 | 314 | |
f9ee2fcd BW |
315 | if (opt->relative && opt->prefix_length) { |
316 | quote_path_relative(filename + tree_name_len, opt->prefix, &pathbuf); | |
317 | strbuf_insert(&pathbuf, 0, filename, tree_name_len); | |
5b594f45 FK |
318 | } else { |
319 | strbuf_addstr(&pathbuf, filename); | |
320 | } | |
321 | ||
e2e05d61 | 322 | grep_source_init(&gs, GREP_SOURCE_OID, pathbuf.buf, path, oid); |
38ef24dc | 323 | strbuf_release(&pathbuf); |
e2e05d61 | 324 | |
fd6263fb | 325 | if (num_threads > 1) { |
e2e05d61 RV |
326 | /* |
327 | * add_work() copies gs and thus assumes ownership of | |
328 | * its fields, so do not call grep_source_clear() | |
329 | */ | |
330 | add_work(opt, &gs); | |
5b594f45 | 331 | return 0; |
4002e87c | 332 | } else { |
5b594f45 | 333 | int hit; |
5010cb5f | 334 | |
8f24a632 | 335 | hit = grep_source(opt, &gs); |
dc49cd76 | 336 | |
8f24a632 JK |
337 | grep_source_clear(&gs); |
338 | return hit; | |
5010cb5f | 339 | } |
5b594f45 FK |
340 | } |
341 | ||
342 | static int grep_file(struct grep_opt *opt, const char *filename) | |
343 | { | |
344 | struct strbuf buf = STRBUF_INIT; | |
e2e05d61 | 345 | struct grep_source gs; |
5b594f45 | 346 | |
f9ee2fcd BW |
347 | if (opt->relative && opt->prefix_length) |
348 | quote_path_relative(filename, opt->prefix, &buf); | |
349 | else | |
350 | strbuf_addstr(&buf, filename); | |
5b594f45 | 351 | |
e2e05d61 | 352 | grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename, filename); |
38ef24dc | 353 | strbuf_release(&buf); |
e2e05d61 | 354 | |
fd6263fb | 355 | if (num_threads > 1) { |
e2e05d61 RV |
356 | /* |
357 | * add_work() copies gs and thus assumes ownership of | |
358 | * its fields, so do not call grep_source_clear() | |
359 | */ | |
360 | add_work(opt, &gs); | |
5b594f45 | 361 | return 0; |
4002e87c | 362 | } else { |
5b594f45 | 363 | int hit; |
5b594f45 | 364 | |
8f24a632 JK |
365 | hit = grep_source(opt, &gs); |
366 | ||
367 | grep_source_clear(&gs); | |
5b594f45 FK |
368 | return hit; |
369 | } | |
5010cb5f JH |
370 | } |
371 | ||
678e484b JS |
372 | static void append_path(struct grep_opt *opt, const void *data, size_t len) |
373 | { | |
374 | struct string_list *path_list = opt->output_priv; | |
375 | ||
376 | if (len == 1 && *(const char *)data == '\0') | |
377 | return; | |
0c72cead | 378 | string_list_append(path_list, xstrndup(data, len)); |
678e484b JS |
379 | } |
380 | ||
381 | static void run_pager(struct grep_opt *opt, const char *prefix) | |
382 | { | |
383 | struct string_list *path_list = opt->output_priv; | |
850d2fec | 384 | struct child_process child = CHILD_PROCESS_INIT; |
678e484b JS |
385 | int i, status; |
386 | ||
387 | for (i = 0; i < path_list->nr; i++) | |
850d2fec JK |
388 | argv_array_push(&child.args, path_list->items[i].string); |
389 | child.dir = prefix; | |
390 | child.use_shell = 1; | |
678e484b | 391 | |
850d2fec | 392 | status = run_command(&child); |
678e484b JS |
393 | if (status) |
394 | exit(status); | |
678e484b JS |
395 | } |
396 | ||
dba093dd | 397 | static int grep_cache(struct grep_opt *opt, |
f9ee2fcd BW |
398 | const struct pathspec *pathspec, int cached); |
399 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, | |
400 | struct tree_desc *tree, struct strbuf *base, int tn_len, | |
dba093dd | 401 | int check_attr); |
0281e487 | 402 | |
dba093dd | 403 | static int grep_submodule(struct grep_opt *opt, |
f9ee2fcd BW |
404 | const struct pathspec *pathspec, |
405 | const struct object_id *oid, | |
6a289d45 | 406 | const char *filename, const char *path, int cached) |
0281e487 | 407 | { |
d5498e08 | 408 | struct repository subrepo; |
dba093dd | 409 | struct repository *superproject = opt->repo; |
faf123c7 | 410 | const struct submodule *sub; |
dba093dd | 411 | struct grep_opt subopt; |
f9ee2fcd | 412 | int hit; |
74ed4371 | 413 | |
76e9bdc4 AO |
414 | /* |
415 | * NEEDSWORK: submodules functions need to be protected because they | |
416 | * access the object store via config_from_gitmodules(): the latter | |
417 | * uses get_oid() which, for now, relies on the global the_repository | |
418 | * object. | |
419 | */ | |
420 | grep_read_lock(); | |
faf123c7 | 421 | sub = submodule_from_path(superproject, &null_oid, path); |
76e9bdc4 AO |
422 | |
423 | if (!is_submodule_active(superproject, path)) { | |
424 | grep_read_unlock(); | |
f9ee2fcd | 425 | return 0; |
76e9bdc4 | 426 | } |
0281e487 | 427 | |
d5498e08 | 428 | if (repo_submodule_init(&subrepo, superproject, sub)) { |
76e9bdc4 | 429 | grep_read_unlock(); |
f9ee2fcd | 430 | return 0; |
76e9bdc4 | 431 | } |
be80a239 | 432 | |
d5498e08 | 433 | repo_read_gitmodules(&subrepo); |
0281e487 | 434 | |
74ed4371 | 435 | /* |
f9ee2fcd BW |
436 | * NEEDSWORK: This adds the submodule's object directory to the list of |
437 | * alternates for the single in-memory object store. This has some bad | |
438 | * consequences for memory (processed objects will never be freed) and | |
439 | * performance (this increases the number of pack files git has to pay | |
440 | * attention to, to the sum of the number of pack files in all the | |
441 | * repositories processed so far). This can be removed once the object | |
442 | * store is no longer global and instead is a member of the repository | |
443 | * object. | |
74ed4371 | 444 | */ |
5d3635db | 445 | add_to_alternates_memory(subrepo.objects->odb->path); |
9560e624 | 446 | grep_read_unlock(); |
74ed4371 | 447 | |
dba093dd | 448 | memcpy(&subopt, opt, sizeof(subopt)); |
7589e636 | 449 | subopt.repo = &subrepo; |
dba093dd | 450 | |
f9ee2fcd BW |
451 | if (oid) { |
452 | struct object *object; | |
453 | struct tree_desc tree; | |
454 | void *data; | |
455 | unsigned long size; | |
456 | struct strbuf base = STRBUF_INIT; | |
74ed4371 | 457 | |
f9ee2fcd | 458 | grep_read_lock(); |
faf123c7 | 459 | object = parse_object_or_die(oid, oid_to_hex(oid)); |
d3b4705a NTND |
460 | data = read_object_with_reference(&subrepo, |
461 | &object->oid, tree_type, | |
f9ee2fcd BW |
462 | &size, NULL); |
463 | grep_read_unlock(); | |
0281e487 | 464 | |
f9ee2fcd BW |
465 | if (!data) |
466 | die(_("unable to read tree (%s)"), oid_to_hex(&object->oid)); | |
0281e487 | 467 | |
f9ee2fcd BW |
468 | strbuf_addstr(&base, filename); |
469 | strbuf_addch(&base, '/'); | |
0281e487 | 470 | |
f9ee2fcd | 471 | init_tree_desc(&tree, data, size); |
dba093dd NTND |
472 | hit = grep_tree(&subopt, pathspec, &tree, &base, base.len, |
473 | object->type == OBJ_COMMIT); | |
f9ee2fcd BW |
474 | strbuf_release(&base); |
475 | free(data); | |
476 | } else { | |
6a289d45 | 477 | hit = grep_cache(&subopt, pathspec, cached); |
e6fac7f3 | 478 | } |
0281e487 | 479 | |
d5498e08 | 480 | repo_clear(&subrepo); |
f9ee2fcd | 481 | return hit; |
0281e487 BW |
482 | } |
483 | ||
dba093dd | 484 | static int grep_cache(struct grep_opt *opt, |
f9ee2fcd | 485 | const struct pathspec *pathspec, int cached) |
5010cb5f | 486 | { |
dba093dd | 487 | struct repository *repo = opt->repo; |
5010cb5f JH |
488 | int hit = 0; |
489 | int nr; | |
0281e487 BW |
490 | struct strbuf name = STRBUF_INIT; |
491 | int name_base_len = 0; | |
f9ee2fcd BW |
492 | if (repo->submodule_prefix) { |
493 | name_base_len = strlen(repo->submodule_prefix); | |
494 | strbuf_addstr(&name, repo->submodule_prefix); | |
0281e487 BW |
495 | } |
496 | ||
b2aa84c7 | 497 | if (repo_read_index(repo) < 0) |
5507067d | 498 | die(_("index file corrupt")); |
5010cb5f | 499 | |
f9ee2fcd BW |
500 | for (nr = 0; nr < repo->index->cache_nr; nr++) { |
501 | const struct cache_entry *ce = repo->index->cache[nr]; | |
0281e487 BW |
502 | strbuf_setlen(&name, name_base_len); |
503 | strbuf_addstr(&name, ce->name); | |
504 | ||
505 | if (S_ISREG(ce->ce_mode) && | |
a4009b0b | 506 | match_pathspec(repo->index, pathspec, name.buf, name.len, 0, NULL, |
0281e487 BW |
507 | S_ISDIR(ce->ce_mode) || |
508 | S_ISGITLINK(ce->ce_mode))) { | |
509 | /* | |
510 | * If CE_VALID is on, we assume worktree file and its | |
511 | * cache entry are identical, even if worktree file has | |
512 | * been modified, so use cache version instead | |
513 | */ | |
514 | if (cached || (ce->ce_flags & CE_VALID) || | |
515 | ce_skip_worktree(ce)) { | |
516 | if (ce_stage(ce) || ce_intent_to_add(ce)) | |
517 | continue; | |
f9ee2fcd BW |
518 | hit |= grep_oid(opt, &ce->oid, name.buf, |
519 | 0, name.buf); | |
0281e487 | 520 | } else { |
f9ee2fcd | 521 | hit |= grep_file(opt, name.buf); |
0281e487 BW |
522 | } |
523 | } else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && | |
a4009b0b | 524 | submodule_path_match(repo->index, pathspec, name.buf, NULL)) { |
6a289d45 MT |
525 | hit |= grep_submodule(opt, pathspec, NULL, ce->name, |
526 | ce->name, cached); | |
0281e487 | 527 | } else { |
5010cb5f | 528 | continue; |
36f2587f | 529 | } |
0281e487 | 530 | |
36f2587f JH |
531 | if (ce_stage(ce)) { |
532 | do { | |
533 | nr++; | |
f9ee2fcd BW |
534 | } while (nr < repo->index->cache_nr && |
535 | !strcmp(ce->name, repo->index->cache[nr]->name)); | |
36f2587f JH |
536 | nr--; /* compensate for loop control */ |
537 | } | |
c8610a2e JH |
538 | if (hit && opt->status_only) |
539 | break; | |
5010cb5f | 540 | } |
0281e487 BW |
541 | |
542 | strbuf_release(&name); | |
5010cb5f JH |
543 | return hit; |
544 | } | |
545 | ||
f34bbc15 | 546 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, |
55c61688 | 547 | struct tree_desc *tree, struct strbuf *base, int tn_len, |
dba093dd | 548 | int check_attr) |
5010cb5f | 549 | { |
dba093dd | 550 | struct repository *repo = opt->repo; |
d688cf07 NTND |
551 | int hit = 0; |
552 | enum interesting match = entry_not_interesting; | |
4c068a98 | 553 | struct name_entry entry; |
e5e062b6 | 554 | int old_baselen = base->len; |
74ed4371 BW |
555 | struct strbuf name = STRBUF_INIT; |
556 | int name_base_len = 0; | |
f9ee2fcd BW |
557 | if (repo->submodule_prefix) { |
558 | strbuf_addstr(&name, repo->submodule_prefix); | |
74ed4371 BW |
559 | name_base_len = name.len; |
560 | } | |
5010cb5f | 561 | |
4c068a98 | 562 | while (tree_entry(tree, &entry)) { |
0de16337 | 563 | int te_len = tree_entry_len(&entry); |
e5e062b6 | 564 | |
d688cf07 | 565 | if (match != all_entries_interesting) { |
74ed4371 | 566 | strbuf_addstr(&name, base->buf + tn_len); |
67022e02 NTND |
567 | match = tree_entry_interesting(repo->index, |
568 | &entry, &name, | |
74ed4371 BW |
569 | 0, pathspec); |
570 | strbuf_setlen(&name, name_base_len); | |
571 | ||
d688cf07 | 572 | if (match == all_entries_not_interesting) |
97d0b74a | 573 | break; |
d688cf07 | 574 | if (match == entry_not_interesting) |
1376e507 NTND |
575 | continue; |
576 | } | |
5010cb5f | 577 | |
1376e507 | 578 | strbuf_add(base, entry.path, te_len); |
e0eb889f | 579 | |
1376e507 | 580 | if (S_ISREG(entry.mode)) { |
ea82b2a0 | 581 | hit |= grep_oid(opt, &entry.oid, base->buf, tn_len, |
55c61688 | 582 | check_attr ? base->buf + tn_len : NULL); |
74ed4371 | 583 | } else if (S_ISDIR(entry.mode)) { |
21666f1a | 584 | enum object_type type; |
5010cb5f JH |
585 | struct tree_desc sub; |
586 | void *data; | |
6fda5e51 LT |
587 | unsigned long size; |
588 | ||
ea82b2a0 | 589 | data = lock_and_read_oid_file(&entry.oid, &type, &size); |
5010cb5f | 590 | if (!data) |
2fc5f9f1 | 591 | die(_("unable to read tree (%s)"), |
ea82b2a0 | 592 | oid_to_hex(&entry.oid)); |
1376e507 NTND |
593 | |
594 | strbuf_addch(base, '/'); | |
6fda5e51 | 595 | init_tree_desc(&sub, data, size); |
55c61688 | 596 | hit |= grep_tree(opt, pathspec, &sub, base, tn_len, |
dba093dd | 597 | check_attr); |
5010cb5f | 598 | free(data); |
74ed4371 | 599 | } else if (recurse_submodules && S_ISGITLINK(entry.mode)) { |
7589e636 | 600 | hit |= grep_submodule(opt, pathspec, &entry.oid, |
6a289d45 MT |
601 | base->buf, base->buf + tn_len, |
602 | 1); /* ignored */ | |
5010cb5f | 603 | } |
74ed4371 | 604 | |
e5e062b6 NTND |
605 | strbuf_setlen(base, old_baselen); |
606 | ||
c8610a2e JH |
607 | if (hit && opt->status_only) |
608 | break; | |
5010cb5f | 609 | } |
74ed4371 BW |
610 | |
611 | strbuf_release(&name); | |
5010cb5f JH |
612 | return hit; |
613 | } | |
614 | ||
f34bbc15 | 615 | static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, |
6856077a | 616 | struct object *obj, const char *name, const char *path) |
5010cb5f | 617 | { |
1974632c | 618 | if (obj->type == OBJ_BLOB) |
1db11086 | 619 | return grep_oid(opt, &obj->oid, name, 0, path); |
1974632c | 620 | if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { |
5010cb5f JH |
621 | struct tree_desc tree; |
622 | void *data; | |
6fda5e51 | 623 | unsigned long size; |
e5e062b6 NTND |
624 | struct strbuf base; |
625 | int hit, len; | |
626 | ||
b3aeb285 | 627 | grep_read_lock(); |
d3b4705a NTND |
628 | data = read_object_with_reference(opt->repo, |
629 | &obj->oid, tree_type, | |
6fda5e51 | 630 | &size, NULL); |
b3aeb285 | 631 | grep_read_unlock(); |
8cb5775b | 632 | |
5010cb5f | 633 | if (!data) |
f2fd0760 | 634 | die(_("unable to read tree (%s)"), oid_to_hex(&obj->oid)); |
e5e062b6 NTND |
635 | |
636 | len = name ? strlen(name) : 0; | |
637 | strbuf_init(&base, PATH_MAX + len + 1); | |
638 | if (len) { | |
639 | strbuf_add(&base, name, len); | |
640 | strbuf_addch(&base, ':'); | |
641 | } | |
6fda5e51 | 642 | init_tree_desc(&tree, data, size); |
55c61688 | 643 | hit = grep_tree(opt, pathspec, &tree, &base, base.len, |
dba093dd | 644 | obj->type == OBJ_COMMIT); |
e5e062b6 | 645 | strbuf_release(&base); |
5010cb5f JH |
646 | free(data); |
647 | return hit; | |
648 | } | |
debca9d2 | 649 | die(_("unable to grep from object of type %s"), type_name(obj->type)); |
5010cb5f JH |
650 | } |
651 | ||
f34bbc15 | 652 | static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, |
30d00c39 JN |
653 | const struct object_array *list) |
654 | { | |
655 | unsigned int i; | |
656 | int hit = 0; | |
657 | const unsigned int nr = list->nr; | |
658 | ||
659 | for (i = 0; i < nr; i++) { | |
660 | struct object *real_obj; | |
dba093dd | 661 | real_obj = deref_tag(opt->repo, list->objects[i].item, |
a74093da | 662 | NULL, 0); |
74ed4371 BW |
663 | |
664 | /* load the gitmodules file for this rev */ | |
665 | if (recurse_submodules) { | |
dba093dd | 666 | submodule_free(opt->repo); |
cd73de47 | 667 | gitmodules_config_oid(&real_obj->oid); |
74ed4371 | 668 | } |
6856077a JT |
669 | if (grep_object(opt, pathspec, real_obj, list->objects[i].name, |
670 | list->objects[i].path)) { | |
30d00c39 JN |
671 | hit = 1; |
672 | if (opt->status_only) | |
673 | break; | |
674 | } | |
675 | } | |
676 | return hit; | |
677 | } | |
678 | ||
dbfae86a | 679 | static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, |
85975c0c | 680 | int exc_std, int use_index) |
59332d13 JH |
681 | { |
682 | struct dir_struct dir; | |
683 | int i, hit = 0; | |
684 | ||
685 | memset(&dir, 0, sizeof(dir)); | |
85975c0c JK |
686 | if (!use_index) |
687 | dir.flags |= DIR_NO_GITLINKS; | |
0a93fb8a JH |
688 | if (exc_std) |
689 | setup_standard_excludes(&dir); | |
59332d13 | 690 | |
dba093dd | 691 | fill_directory(&dir, opt->repo->index, pathspec); |
59332d13 | 692 | for (i = 0; i < dir.nr; i++) { |
dba093dd | 693 | if (!dir_path_match(opt->repo->index, dir.entries[i], pathspec, 0, NULL)) |
9d8b831b | 694 | continue; |
59332d13 JH |
695 | hit |= grep_file(opt, dir.entries[i]->name); |
696 | if (hit && opt->status_only) | |
697 | break; | |
698 | } | |
59332d13 JH |
699 | return hit; |
700 | } | |
701 | ||
ff3c7f9a RS |
702 | static int context_callback(const struct option *opt, const char *arg, |
703 | int unset) | |
3e230fa1 RS |
704 | { |
705 | struct grep_opt *grep_opt = opt->value; | |
706 | int value; | |
707 | const char *endp; | |
708 | ||
709 | if (unset) { | |
710 | grep_opt->pre_context = grep_opt->post_context = 0; | |
711 | return 0; | |
712 | } | |
713 | value = strtol(arg, (char **)&endp, 10); | |
714 | if (*endp) { | |
2fc5f9f1 | 715 | return error(_("switch `%c' expects a numerical value"), |
3e230fa1 RS |
716 | opt->short_name); |
717 | } | |
718 | grep_opt->pre_context = grep_opt->post_context = value; | |
719 | return 0; | |
720 | } | |
721 | ||
ff3c7f9a | 722 | static int file_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
723 | { |
724 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 725 | int from_stdin; |
3e230fa1 RS |
726 | FILE *patterns; |
727 | int lno = 0; | |
cfe370c6 | 728 | struct strbuf sb = STRBUF_INIT; |
3e230fa1 | 729 | |
517fe807 JK |
730 | BUG_ON_OPT_NEG(unset); |
731 | ||
732 | from_stdin = !strcmp(arg, "-"); | |
c41dd2fd | 733 | patterns = from_stdin ? stdin : fopen(arg, "r"); |
3e230fa1 | 734 | if (!patterns) |
2fc5f9f1 | 735 | die_errno(_("cannot open '%s'"), arg); |
a5518431 | 736 | while (strbuf_getline(&sb, patterns) == 0) { |
3e230fa1 RS |
737 | /* ignore empty line like grep does */ |
738 | if (sb.len == 0) | |
739 | continue; | |
ed40a095 | 740 | |
ec830611 RS |
741 | append_grep_pat(grep_opt, sb.buf, sb.len, arg, ++lno, |
742 | GREP_PATTERN); | |
3e230fa1 | 743 | } |
c41dd2fd RS |
744 | if (!from_stdin) |
745 | fclose(patterns); | |
3e230fa1 RS |
746 | strbuf_release(&sb); |
747 | return 0; | |
748 | } | |
749 | ||
ff3c7f9a | 750 | static int not_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
751 | { |
752 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
753 | BUG_ON_OPT_NEG(unset); |
754 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
755 | append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); |
756 | return 0; | |
757 | } | |
758 | ||
ff3c7f9a | 759 | static int and_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
760 | { |
761 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
762 | BUG_ON_OPT_NEG(unset); |
763 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
764 | append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); |
765 | return 0; | |
766 | } | |
767 | ||
ff3c7f9a | 768 | static int open_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
769 | { |
770 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
771 | BUG_ON_OPT_NEG(unset); |
772 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
773 | append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); |
774 | return 0; | |
775 | } | |
776 | ||
ff3c7f9a | 777 | static int close_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
778 | { |
779 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
780 | BUG_ON_OPT_NEG(unset); |
781 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
782 | append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); |
783 | return 0; | |
784 | } | |
785 | ||
ff3c7f9a RS |
786 | static int pattern_callback(const struct option *opt, const char *arg, |
787 | int unset) | |
3e230fa1 RS |
788 | { |
789 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 790 | BUG_ON_OPT_NEG(unset); |
3e230fa1 RS |
791 | append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); |
792 | return 0; | |
793 | } | |
5010cb5f | 794 | |
a633fca0 | 795 | int cmd_grep(int argc, const char **argv, const char *prefix) |
5010cb5f | 796 | { |
5010cb5f | 797 | int hit = 0; |
0a93fb8a | 798 | int cached = 0, untracked = 0, opt_exclude = -1; |
5acd64ed | 799 | int seen_dashdash = 0; |
bbc09c22 | 800 | int external_grep_allowed__ignored; |
0af88c15 | 801 | const char *show_in_pager = NULL, *default_pager = "dummy"; |
5010cb5f | 802 | struct grep_opt opt; |
3cd47459 | 803 | struct object_array list = OBJECT_ARRAY_INIT; |
f34bbc15 | 804 | struct pathspec pathspec; |
183113a5 | 805 | struct string_list path_list = STRING_LIST_INIT_NODUP; |
5acd64ed | 806 | int i; |
3e230fa1 | 807 | int dummy; |
ff38d1a9 | 808 | int use_index = 1; |
84befcd0 | 809 | int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED; |
131f3c96 | 810 | int allow_revs; |
cca2c172 | 811 | |
3e230fa1 | 812 | struct option options[] = { |
d5d09d47 | 813 | OPT_BOOL(0, "cached", &cached, |
4b407bc5 | 814 | N_("search in index instead of in the work tree")), |
cbb08c2e | 815 | OPT_NEGBIT(0, "no-index", &use_index, |
f63cf8c9 | 816 | N_("find in contents not managed by git"), 1), |
d5d09d47 | 817 | OPT_BOOL(0, "untracked", &untracked, |
4b407bc5 | 818 | N_("search in both tracked and untracked files")), |
0a93fb8a | 819 | OPT_SET_INT(0, "exclude-standard", &opt_exclude, |
77fdb8a8 | 820 | N_("ignore files specified via '.gitignore'"), 1), |
0281e487 | 821 | OPT_BOOL(0, "recurse-submodules", &recurse_submodules, |
4fb1c6aa | 822 | N_("recursively search in each submodule")), |
3e230fa1 | 823 | OPT_GROUP(""), |
d5d09d47 | 824 | OPT_BOOL('v', "invert-match", &opt.invert, |
4b407bc5 | 825 | N_("show non-matching lines")), |
d5d09d47 | 826 | OPT_BOOL('i', "ignore-case", &opt.ignore_case, |
4b407bc5 | 827 | N_("case insensitive matching")), |
d5d09d47 | 828 | OPT_BOOL('w', "word-regexp", &opt.word_regexp, |
4b407bc5 | 829 | N_("match patterns only at word boundaries")), |
3e230fa1 | 830 | OPT_SET_INT('a', "text", &opt.binary, |
4b407bc5 | 831 | N_("process binary files as text"), GREP_BINARY_TEXT), |
3e230fa1 | 832 | OPT_SET_INT('I', NULL, &opt.binary, |
4b407bc5 | 833 | N_("don't match patterns in binary files"), |
3e230fa1 | 834 | GREP_BINARY_NOMATCH), |
335ec3bf JK |
835 | OPT_BOOL(0, "textconv", &opt.allow_textconv, |
836 | N_("process binary files with textconv filters")), | |
0a09e5ed RS |
837 | OPT_SET_INT('r', "recursive", &opt.max_depth, |
838 | N_("search in subdirectories (default)"), -1), | |
4b407bc5 NTND |
839 | { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"), |
840 | N_("descend at most <depth> levels"), PARSE_OPT_NONEG, | |
a91f453f | 841 | NULL, 1 }, |
3e230fa1 | 842 | OPT_GROUP(""), |
84befcd0 | 843 | OPT_SET_INT('E', "extended-regexp", &pattern_type_arg, |
4b407bc5 | 844 | N_("use extended POSIX regular expressions"), |
84befcd0 S |
845 | GREP_PATTERN_TYPE_ERE), |
846 | OPT_SET_INT('G', "basic-regexp", &pattern_type_arg, | |
4b407bc5 | 847 | N_("use basic POSIX regular expressions (default)"), |
84befcd0 S |
848 | GREP_PATTERN_TYPE_BRE), |
849 | OPT_SET_INT('F', "fixed-strings", &pattern_type_arg, | |
4b407bc5 | 850 | N_("interpret patterns as fixed strings"), |
84befcd0 S |
851 | GREP_PATTERN_TYPE_FIXED), |
852 | OPT_SET_INT('P', "perl-regexp", &pattern_type_arg, | |
4b407bc5 | 853 | N_("use Perl-compatible regular expressions"), |
84befcd0 | 854 | GREP_PATTERN_TYPE_PCRE), |
3e230fa1 | 855 | OPT_GROUP(""), |
d5d09d47 | 856 | OPT_BOOL('n', "line-number", &opt.linenum, N_("show line numbers")), |
a449f27f | 857 | OPT_BOOL(0, "column", &opt.columnnum, N_("show column number of first match")), |
4b407bc5 NTND |
858 | OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1), |
859 | OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1), | |
3e230fa1 | 860 | OPT_NEGBIT(0, "full-name", &opt.relative, |
4b407bc5 | 861 | N_("show filenames relative to top directory"), 1), |
d5d09d47 | 862 | OPT_BOOL('l', "files-with-matches", &opt.name_only, |
4b407bc5 | 863 | N_("show only filenames instead of matching lines")), |
d5d09d47 | 864 | OPT_BOOL(0, "name-only", &opt.name_only, |
4b407bc5 | 865 | N_("synonym for --files-with-matches")), |
d5d09d47 | 866 | OPT_BOOL('L', "files-without-match", |
3e230fa1 | 867 | &opt.unmatch_name_only, |
4b407bc5 | 868 | N_("show only the names of files without match")), |
caf2de33 NTND |
869 | OPT_BOOL_F('z', "null", &opt.null_following_name, |
870 | N_("print NUL after filenames"), | |
871 | PARSE_OPT_NOCOMPLETE), | |
9d8db06e TB |
872 | OPT_BOOL('o', "only-matching", &opt.only_matching, |
873 | N_("show only matching parts of a line")), | |
d5d09d47 | 874 | OPT_BOOL('c', "count", &opt.count, |
4b407bc5 NTND |
875 | N_("show the number of matches instead of matching lines")), |
876 | OPT__COLOR(&opt.color, N_("highlight matches")), | |
d5d09d47 | 877 | OPT_BOOL(0, "break", &opt.file_break, |
4b407bc5 | 878 | N_("print empty line between matches from different files")), |
d5d09d47 | 879 | OPT_BOOL(0, "heading", &opt.heading, |
4b407bc5 | 880 | N_("show filename only once above matches from same file")), |
3e230fa1 | 881 | OPT_GROUP(""), |
4b407bc5 NTND |
882 | OPT_CALLBACK('C', "context", &opt, N_("n"), |
883 | N_("show <n> context lines before and after matches"), | |
3e230fa1 | 884 | context_callback), |
317f63c2 | 885 | OPT_INTEGER('B', "before-context", &opt.pre_context, |
4b407bc5 | 886 | N_("show <n> context lines before matches")), |
317f63c2 | 887 | OPT_INTEGER('A', "after-context", &opt.post_context, |
4b407bc5 | 888 | N_("show <n> context lines after matches")), |
89f09dd3 VL |
889 | OPT_INTEGER(0, "threads", &num_threads, |
890 | N_("use <n> worker threads")), | |
4b407bc5 | 891 | OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"), |
3e230fa1 | 892 | context_callback), |
d5d09d47 | 893 | OPT_BOOL('p', "show-function", &opt.funcname, |
4b407bc5 | 894 | N_("show a line with the function name before matches")), |
d5d09d47 | 895 | OPT_BOOL('W', "function-context", &opt.funcbody, |
4b407bc5 | 896 | N_("show the surrounding function")), |
3e230fa1 | 897 | OPT_GROUP(""), |
4b407bc5 NTND |
898 | OPT_CALLBACK('f', NULL, &opt, N_("file"), |
899 | N_("read patterns from file"), file_callback), | |
900 | { OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"), | |
901 | N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback }, | |
3e230fa1 | 902 | { OPTION_CALLBACK, 0, "and", &opt, NULL, |
4b407bc5 | 903 | N_("combine patterns specified with -e"), |
3e230fa1 | 904 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback }, |
d5d09d47 | 905 | OPT_BOOL(0, "or", &dummy, ""), |
3e230fa1 RS |
906 | { OPTION_CALLBACK, 0, "not", &opt, NULL, "", |
907 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback }, | |
908 | { OPTION_CALLBACK, '(', NULL, &opt, NULL, "", | |
909 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
910 | open_callback }, | |
911 | { OPTION_CALLBACK, ')', NULL, &opt, NULL, "", | |
912 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
913 | close_callback }, | |
d52ee6e6 | 914 | OPT__QUIET(&opt.status_only, |
4b407bc5 | 915 | N_("indicate hit with exit status without output")), |
d5d09d47 | 916 | OPT_BOOL(0, "all-match", &opt.all_match, |
4b407bc5 | 917 | N_("show only matches from files that match all patterns")), |
3e4a67b4 NTND |
918 | OPT_SET_INT_F(0, "debug", &opt.debug, |
919 | N_("show parse tree for grep expression"), | |
920 | 1, PARSE_OPT_HIDDEN), | |
3e230fa1 | 921 | OPT_GROUP(""), |
0af88c15 | 922 | { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, |
4b407bc5 | 923 | N_("pager"), N_("show matching files in the pager"), |
caf2de33 NTND |
924 | PARSE_OPT_OPTARG | PARSE_OPT_NOCOMPLETE, |
925 | NULL, (intptr_t)default_pager }, | |
926 | OPT_BOOL_F(0, "ext-grep", &external_grep_allowed__ignored, | |
927 | N_("allow calling of grep(1) (ignored by this build)"), | |
928 | PARSE_OPT_NOCOMPLETE), | |
3e230fa1 RS |
929 | OPT_END() |
930 | }; | |
5010cb5f | 931 | |
38bbc2ea | 932 | init_grep_defaults(the_repository); |
15fabd1b | 933 | git_config(grep_cmd_config, NULL); |
38bbc2ea | 934 | grep_init(&opt, the_repository, prefix); |
7e8f59d5 | 935 | |
5010cb5f | 936 | /* |
5acd64ed JH |
937 | * If there is no -- then the paths must exist in the working |
938 | * tree. If there is no explicit pattern specified with -e or | |
939 | * -f, we take the first unrecognized non option to be the | |
940 | * pattern, but then what follows it must be zero or more | |
941 | * valid refs up to the -- (if exists), and then existing | |
942 | * paths. If there is an explicit pattern, then the first | |
82e5a82f | 943 | * unrecognized non option is the beginning of the refs list |
5acd64ed | 944 | * that continues up to the -- (if exists), and then paths. |
5010cb5f | 945 | */ |
37782920 | 946 | argc = parse_options(argc, argv, prefix, options, grep_usage, |
3e230fa1 | 947 | PARSE_OPT_KEEP_DASHDASH | |
44415499 | 948 | PARSE_OPT_STOP_AT_NON_OPTION); |
c5c31d33 | 949 | grep_commit_pattern_type(pattern_type_arg, &opt); |
3e230fa1 | 950 | |
ecd9ba61 TG |
951 | if (use_index && !startup_info->have_repository) { |
952 | int fallback = 0; | |
953 | git_config_get_bool("grep.fallbacktonoindex", &fallback); | |
954 | if (fallback) | |
955 | use_index = 0; | |
956 | else | |
957 | /* die the same way as if we did it at the beginning */ | |
958 | setup_git_directory(); | |
959 | } | |
59332d13 | 960 | |
1123c67c JK |
961 | /* |
962 | * skip a -- separator; we know it cannot be | |
963 | * separating revisions from pathnames if | |
964 | * we haven't even had any patterns yet | |
965 | */ | |
966 | if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) { | |
967 | argv++; | |
968 | argc--; | |
969 | } | |
970 | ||
3e230fa1 RS |
971 | /* First unrecognized non-option token */ |
972 | if (argc > 0 && !opt.pattern_list) { | |
973 | append_grep_pattern(&opt, argv[0], "command line", 0, | |
974 | GREP_PATTERN); | |
975 | argv++; | |
976 | argc--; | |
5010cb5f | 977 | } |
5acd64ed | 978 | |
0af88c15 JS |
979 | if (show_in_pager == default_pager) |
980 | show_in_pager = git_pager(1); | |
678e484b | 981 | if (show_in_pager) { |
e7b082a4 | 982 | opt.color = 0; |
0af88c15 JS |
983 | opt.name_only = 1; |
984 | opt.null_following_name = 1; | |
985 | opt.output_priv = &path_list; | |
986 | opt.output = append_path; | |
0c72cead | 987 | string_list_append(&path_list, show_in_pager); |
678e484b JS |
988 | } |
989 | ||
f9b9faf6 | 990 | if (!opt.pattern_list) |
1a07e59c | 991 | die(_("no pattern given")); |
5b594f45 | 992 | |
9d8db06e TB |
993 | /* --only-matching has no effect with --invert. */ |
994 | if (opt.invert) | |
995 | opt.only_matching = 0; | |
996 | ||
b5b81136 JK |
997 | /* |
998 | * We have to find "--" in a separate pass, because its presence | |
999 | * influences how we will parse arguments that come before it. | |
1000 | */ | |
1001 | for (i = 0; i < argc; i++) { | |
1002 | if (!strcmp(argv[i], "--")) { | |
1003 | seen_dashdash = 1; | |
1004 | break; | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | /* | |
1009 | * Resolve any rev arguments. If we have a dashdash, then everything up | |
1010 | * to it must resolve as a rev. If not, then we stop at the first | |
1011 | * non-rev and assume everything else is a path. | |
1012 | */ | |
131f3c96 | 1013 | allow_revs = use_index && !untracked; |
3e230fa1 | 1014 | for (i = 0; i < argc; i++) { |
5acd64ed | 1015 | const char *arg = argv[i]; |
1db11086 | 1016 | struct object_id oid; |
afa15f3c | 1017 | struct object_context oc; |
20d6421c JK |
1018 | struct object *object; |
1019 | ||
dca3b5f5 JT |
1020 | if (!strcmp(arg, "--")) { |
1021 | i++; | |
dca3b5f5 JT |
1022 | break; |
1023 | } | |
20d6421c | 1024 | |
131f3c96 | 1025 | if (!allow_revs) { |
d0ffc069 | 1026 | if (seen_dashdash) |
131f3c96 | 1027 | die(_("--no-index or --untracked cannot be used with revs")); |
d0ffc069 JK |
1028 | break; |
1029 | } | |
1030 | ||
3a7a698e NTND |
1031 | if (get_oid_with_context(the_repository, arg, |
1032 | GET_OID_RECORD_PATH, | |
e82caf38 | 1033 | &oid, &oc)) { |
b5b81136 JK |
1034 | if (seen_dashdash) |
1035 | die(_("unable to resolve revision: %s"), arg); | |
20d6421c | 1036 | break; |
b5b81136 | 1037 | } |
20d6421c | 1038 | |
c251c83d | 1039 | object = parse_object_or_die(&oid, arg); |
20d6421c JK |
1040 | if (!seen_dashdash) |
1041 | verify_non_filename(prefix, arg); | |
1042 | add_object_array_with_path(object, arg, &list, oc.mode, oc.path); | |
dc944b65 | 1043 | free(oc.path); |
1362671f | 1044 | } |
5acd64ed | 1045 | |
b5b81136 JK |
1046 | /* |
1047 | * Anything left over is presumed to be a path. But in the non-dashdash | |
1048 | * "do what I mean" case, we verify and complain when that isn't true. | |
1049 | */ | |
a0fe2b0d JK |
1050 | if (!seen_dashdash) { |
1051 | int j; | |
1052 | for (j = i; j < argc; j++) | |
131f3c96 | 1053 | verify_filename(prefix, argv[j], j == i && allow_revs); |
a0fe2b0d JK |
1054 | } |
1055 | ||
1056 | parse_pathspec(&pathspec, 0, | |
1057 | PATHSPEC_PREFER_CWD | | |
1058 | (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0), | |
1059 | prefix, argv + i); | |
1060 | pathspec.max_depth = opt.max_depth; | |
1061 | pathspec.recursive = 1; | |
eef3df5a | 1062 | pathspec.recurse_submodules = !!recurse_submodules; |
a0fe2b0d | 1063 | |
fd6263fb NTND |
1064 | if (list.nr || cached || show_in_pager) { |
1065 | if (num_threads > 1) | |
1066 | warning(_("invalid option combination, ignoring --threads")); | |
1067 | num_threads = 1; | |
1068 | } else if (!HAVE_THREADS && num_threads > 1) { | |
d1edee4a | 1069 | warning(_("no threads support, ignoring --threads")); |
fd6263fb NTND |
1070 | num_threads = 1; |
1071 | } else if (num_threads < 0) | |
1072 | die(_("invalid number of threads specified (%d)"), num_threads); | |
1073 | else if (num_threads == 0) | |
1074 | num_threads = HAVE_THREADS ? GREP_NUM_THREADS_DEFAULT : 1; | |
53b8d931 | 1075 | |
fd6263fb NTND |
1076 | if (num_threads > 1) { |
1077 | if (!HAVE_THREADS) | |
1078 | BUG("Somebody got num_threads calculation wrong!"); | |
1079 | if (!(opt.name_only || opt.unmatch_name_only || opt.count) | |
1080 | && (opt.pre_context || opt.post_context || | |
1081 | opt.file_break || opt.funcbody)) | |
1082 | skip_first_line = 1; | |
1083 | start_threads(&opt); | |
4002e87c | 1084 | } else { |
6d423dd5 ÆAB |
1085 | /* |
1086 | * The compiled patterns on the main path are only | |
1087 | * used when not using threading. Otherwise | |
fd6263fb | 1088 | * start_threads() above calls compile_grep_patterns() |
6d423dd5 ÆAB |
1089 | * for each thread. |
1090 | */ | |
1091 | compile_grep_patterns(&opt); | |
53b8d931 | 1092 | } |
53b8d931 | 1093 | |
678e484b | 1094 | if (show_in_pager && (cached || list.nr)) |
e4fe4ba5 | 1095 | die(_("--open-files-in-pager only works on the worktree")); |
678e484b JS |
1096 | |
1097 | if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) { | |
1098 | const char *pager = path_list.items[0].string; | |
1099 | int len = strlen(pager); | |
1100 | ||
1101 | if (len > 4 && is_dir_sep(pager[len - 5])) | |
1102 | pager += len - 4; | |
1103 | ||
f7febbea JS |
1104 | if (opt.ignore_case && !strcmp("less", pager)) |
1105 | string_list_append(&path_list, "-I"); | |
1106 | ||
678e484b JS |
1107 | if (!strcmp("less", pager) || !strcmp("vi", pager)) { |
1108 | struct strbuf buf = STRBUF_INIT; | |
1109 | strbuf_addf(&buf, "+/%s%s", | |
1110 | strcmp("less", pager) ? "" : "*", | |
1111 | opt.pattern_list->pattern); | |
fd99c2dd RS |
1112 | string_list_append(&path_list, |
1113 | strbuf_detach(&buf, NULL)); | |
678e484b JS |
1114 | } |
1115 | } | |
1116 | ||
74ed4371 | 1117 | if (recurse_submodules && (!use_index || untracked)) |
1a07e59c | 1118 | die(_("option not supported with --recurse-submodules")); |
0281e487 | 1119 | |
c2048f0b | 1120 | if (!show_in_pager && !opt.status_only) |
678e484b JS |
1121 | setup_pager(); |
1122 | ||
0a93fb8a | 1123 | if (!use_index && (untracked || cached)) |
1a07e59c | 1124 | die(_("--cached or --untracked cannot be used with --no-index")); |
678e484b | 1125 | |
0a93fb8a | 1126 | if (!use_index || untracked) { |
0a93fb8a | 1127 | int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; |
85975c0c | 1128 | hit = grep_directory(&opt, &pathspec, use_exclude, use_index); |
dbfae86a | 1129 | } else if (0 <= opt_exclude) { |
1a07e59c | 1130 | die(_("--[no-]exclude-standard cannot be used for tracked contents")); |
685359cf | 1131 | } else if (!list.nr) { |
6577f542 NTND |
1132 | if (!cached) |
1133 | setup_work_tree(); | |
5b594f45 | 1134 | |
dba093dd | 1135 | hit = grep_cache(&opt, &pathspec, cached); |
685359cf JS |
1136 | } else { |
1137 | if (cached) | |
1a07e59c | 1138 | die(_("both --cached and trees are given")); |
f9ee2fcd | 1139 | |
6856077a | 1140 | hit = grep_objects(&opt, &pathspec, &list); |
5010cb5f | 1141 | } |
5b594f45 | 1142 | |
fd6263fb | 1143 | if (num_threads > 1) |
5b594f45 | 1144 | hit |= wait_all(); |
678e484b JS |
1145 | if (hit && show_in_pager) |
1146 | run_pager(&opt, prefix); | |
7861fa07 | 1147 | clear_pathspec(&pathspec); |
b48fb5b6 | 1148 | free_grep_patterns(&opt); |
513f2b0b | 1149 | grep_destroy(); |
5010cb5f JH |
1150 | return !hit; |
1151 | } |