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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 FK |
36 | |
37 | #ifndef NO_PTHREADS | |
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 ÆAB |
73 | assert(num_threads); |
74 | pthread_mutex_lock(&grep_mutex); | |
1487a12b JH |
75 | } |
76 | ||
77 | static inline void grep_unlock(void) | |
78 | { | |
8df4c295 ÆAB |
79 | assert(num_threads); |
80 | pthread_mutex_unlock(&grep_mutex); | |
1487a12b JH |
81 | } |
82 | ||
5b594f45 FK |
83 | /* Signalled when a new work_item is added to todo. */ |
84 | static pthread_cond_t cond_add; | |
85 | ||
86 | /* Signalled when the result from one work_item is written to | |
87 | * stdout. | |
88 | */ | |
89 | static pthread_cond_t cond_write; | |
90 | ||
91 | /* Signalled when we are finished with everything. */ | |
92 | static pthread_cond_t cond_result; | |
93 | ||
08303c36 | 94 | static int skip_first_line; |
431d6e7b | 95 | |
9dd5245c | 96 | static void add_work(struct grep_opt *opt, enum grep_source_type type, |
55c61688 | 97 | const char *name, const char *path, const void *id) |
5b594f45 FK |
98 | { |
99 | grep_lock(); | |
100 | ||
101 | while ((todo_end+1) % ARRAY_SIZE(todo) == todo_done) { | |
102 | pthread_cond_wait(&cond_write, &grep_mutex); | |
103 | } | |
104 | ||
55c61688 | 105 | grep_source_init(&todo[todo_end].source, type, name, path, id); |
9dd5245c JK |
106 | if (opt->binary != GREP_BINARY_TEXT) |
107 | grep_source_load_driver(&todo[todo_end].source); | |
5b594f45 FK |
108 | todo[todo_end].done = 0; |
109 | strbuf_reset(&todo[todo_end].out); | |
110 | todo_end = (todo_end + 1) % ARRAY_SIZE(todo); | |
111 | ||
112 | pthread_cond_signal(&cond_add); | |
113 | grep_unlock(); | |
114 | } | |
115 | ||
116 | static struct work_item *get_work(void) | |
117 | { | |
118 | struct work_item *ret; | |
119 | ||
120 | grep_lock(); | |
121 | while (todo_start == todo_end && !all_work_added) { | |
122 | pthread_cond_wait(&cond_add, &grep_mutex); | |
123 | } | |
124 | ||
125 | if (todo_start == todo_end && all_work_added) { | |
126 | ret = NULL; | |
127 | } else { | |
128 | ret = &todo[todo_start]; | |
129 | todo_start = (todo_start + 1) % ARRAY_SIZE(todo); | |
130 | } | |
131 | grep_unlock(); | |
132 | return ret; | |
133 | } | |
134 | ||
5b594f45 FK |
135 | static void work_done(struct work_item *w) |
136 | { | |
137 | int old_done; | |
138 | ||
139 | grep_lock(); | |
140 | w->done = 1; | |
141 | old_done = todo_done; | |
142 | for(; todo[todo_done].done && todo_done != todo_start; | |
143 | todo_done = (todo_done+1) % ARRAY_SIZE(todo)) { | |
144 | w = &todo[todo_done]; | |
431d6e7b | 145 | if (w->out.len) { |
08303c36 RS |
146 | const char *p = w->out.buf; |
147 | size_t len = w->out.len; | |
148 | ||
149 | /* Skip the leading hunk mark of the first file. */ | |
150 | if (skip_first_line) { | |
151 | while (len) { | |
152 | len--; | |
153 | if (*p++ == '\n') | |
154 | break; | |
155 | } | |
156 | skip_first_line = 0; | |
157 | } | |
158 | ||
159 | write_or_die(1, p, len); | |
431d6e7b | 160 | } |
8f24a632 | 161 | grep_source_clear(&w->source); |
5b594f45 FK |
162 | } |
163 | ||
164 | if (old_done != todo_done) | |
165 | pthread_cond_signal(&cond_write); | |
166 | ||
167 | if (all_work_added && todo_done == todo_end) | |
168 | pthread_cond_signal(&cond_result); | |
169 | ||
170 | grep_unlock(); | |
171 | } | |
172 | ||
173 | static void *run(void *arg) | |
174 | { | |
175 | int hit = 0; | |
176 | struct grep_opt *opt = arg; | |
177 | ||
178 | while (1) { | |
179 | struct work_item *w = get_work(); | |
180 | if (!w) | |
181 | break; | |
182 | ||
183 | opt->output_priv = w; | |
f9ee2fcd | 184 | hit |= grep_source(opt, &w->source); |
8f24a632 | 185 | grep_source_clear_data(&w->source); |
5b594f45 FK |
186 | work_done(w); |
187 | } | |
bfac23d9 DM |
188 | free_grep_patterns(arg); |
189 | free(arg); | |
5b594f45 FK |
190 | |
191 | return (void*) (intptr_t) hit; | |
192 | } | |
193 | ||
194 | static void strbuf_out(struct grep_opt *opt, const void *buf, size_t size) | |
195 | { | |
196 | struct work_item *w = opt->output_priv; | |
197 | strbuf_add(&w->out, buf, size); | |
198 | } | |
199 | ||
200 | static void start_threads(struct grep_opt *opt) | |
201 | { | |
202 | int i; | |
203 | ||
204 | pthread_mutex_init(&grep_mutex, NULL); | |
b3aeb285 | 205 | pthread_mutex_init(&grep_read_mutex, NULL); |
0579f91d | 206 | pthread_mutex_init(&grep_attr_mutex, NULL); |
5b594f45 FK |
207 | pthread_cond_init(&cond_add, NULL); |
208 | pthread_cond_init(&cond_write, NULL); | |
209 | pthread_cond_init(&cond_result, NULL); | |
78db6ea9 | 210 | grep_use_locks = 1; |
5b594f45 FK |
211 | |
212 | for (i = 0; i < ARRAY_SIZE(todo); i++) { | |
213 | strbuf_init(&todo[i].out, 0); | |
214 | } | |
215 | ||
89f09dd3 VL |
216 | threads = xcalloc(num_threads, sizeof(*threads)); |
217 | for (i = 0; i < num_threads; i++) { | |
5b594f45 FK |
218 | int err; |
219 | struct grep_opt *o = grep_opt_dup(opt); | |
220 | o->output = strbuf_out; | |
6d423dd5 ÆAB |
221 | if (i) |
222 | o->debug = 0; | |
5b594f45 FK |
223 | compile_grep_patterns(o); |
224 | err = pthread_create(&threads[i], NULL, run, o); | |
225 | ||
226 | if (err) | |
2fc5f9f1 | 227 | die(_("grep: failed to create thread: %s"), |
5b594f45 FK |
228 | strerror(err)); |
229 | } | |
230 | } | |
231 | ||
232 | static int wait_all(void) | |
233 | { | |
234 | int hit = 0; | |
235 | int i; | |
236 | ||
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 | } | |
268 | #else /* !NO_PTHREADS */ | |
5b594f45 FK |
269 | |
270 | static int wait_all(void) | |
271 | { | |
272 | return 0; | |
273 | } | |
274 | #endif | |
275 | ||
15fabd1b JH |
276 | static int grep_cmd_config(const char *var, const char *value, void *cb) |
277 | { | |
278 | int st = grep_config(var, value, cb); | |
33c643bb | 279 | if (git_color_default_config(var, value, cb) < 0) |
15fabd1b | 280 | st = -1; |
89f09dd3 VL |
281 | |
282 | if (!strcmp(var, "grep.threads")) { | |
283 | num_threads = git_config_int(var, value); | |
284 | if (num_threads < 0) | |
285 | die(_("invalid number of threads specified (%d) for %s"), | |
286 | num_threads, var); | |
d1edee4a ÆAB |
287 | #ifdef NO_PTHREADS |
288 | else if (num_threads && num_threads != 1) { | |
289 | /* | |
290 | * TRANSLATORS: %s is the configuration | |
291 | * variable for tweaking threads, currently | |
292 | * grep.threads | |
293 | */ | |
294 | warning(_("no threads support, ignoring %s"), var); | |
295 | num_threads = 0; | |
296 | } | |
297 | #endif | |
89f09dd3 VL |
298 | } |
299 | ||
9071c078 SB |
300 | if (!strcmp(var, "submodule.recurse")) |
301 | recurse_submodules = git_config_bool(var, value); | |
302 | ||
15fabd1b JH |
303 | return st; |
304 | } | |
305 | ||
1db11086 | 306 | static void *lock_and_read_oid_file(const struct object_id *oid, enum object_type *type, unsigned long *size) |
5f02d315 JH |
307 | { |
308 | void *data; | |
309 | ||
b3aeb285 | 310 | grep_read_lock(); |
1db11086 | 311 | data = read_sha1_file(oid->hash, type, size); |
b3aeb285 | 312 | grep_read_unlock(); |
5b594f45 FK |
313 | return data; |
314 | } | |
315 | ||
1db11086 | 316 | static int grep_oid(struct grep_opt *opt, const struct object_id *oid, |
55c61688 NTND |
317 | const char *filename, int tree_name_len, |
318 | const char *path) | |
5b594f45 FK |
319 | { |
320 | struct strbuf pathbuf = STRBUF_INIT; | |
5b594f45 | 321 | |
f9ee2fcd BW |
322 | if (opt->relative && opt->prefix_length) { |
323 | quote_path_relative(filename + tree_name_len, opt->prefix, &pathbuf); | |
324 | strbuf_insert(&pathbuf, 0, filename, tree_name_len); | |
5b594f45 FK |
325 | } else { |
326 | strbuf_addstr(&pathbuf, filename); | |
327 | } | |
328 | ||
5b594f45 | 329 | #ifndef NO_PTHREADS |
89f09dd3 | 330 | if (num_threads) { |
1c41c82b | 331 | add_work(opt, GREP_SOURCE_OID, pathbuf.buf, path, oid); |
8f24a632 | 332 | strbuf_release(&pathbuf); |
5b594f45 FK |
333 | return 0; |
334 | } else | |
335 | #endif | |
336 | { | |
8f24a632 | 337 | struct grep_source gs; |
5b594f45 | 338 | int hit; |
5010cb5f | 339 | |
1c41c82b | 340 | grep_source_init(&gs, GREP_SOURCE_OID, pathbuf.buf, path, oid); |
8f24a632 JK |
341 | strbuf_release(&pathbuf); |
342 | hit = grep_source(opt, &gs); | |
dc49cd76 | 343 | |
8f24a632 JK |
344 | grep_source_clear(&gs); |
345 | return hit; | |
5010cb5f | 346 | } |
5b594f45 FK |
347 | } |
348 | ||
349 | static int grep_file(struct grep_opt *opt, const char *filename) | |
350 | { | |
351 | struct strbuf buf = STRBUF_INIT; | |
5b594f45 | 352 | |
f9ee2fcd BW |
353 | if (opt->relative && opt->prefix_length) |
354 | quote_path_relative(filename, opt->prefix, &buf); | |
355 | else | |
356 | strbuf_addstr(&buf, filename); | |
5b594f45 FK |
357 | |
358 | #ifndef NO_PTHREADS | |
89f09dd3 | 359 | if (num_threads) { |
55c61688 | 360 | add_work(opt, GREP_SOURCE_FILE, buf.buf, filename, filename); |
8f24a632 | 361 | strbuf_release(&buf); |
5b594f45 FK |
362 | return 0; |
363 | } else | |
364 | #endif | |
365 | { | |
8f24a632 | 366 | struct grep_source gs; |
5b594f45 | 367 | int hit; |
5b594f45 | 368 | |
55c61688 | 369 | grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename, filename); |
8f24a632 JK |
370 | strbuf_release(&buf); |
371 | hit = grep_source(opt, &gs); | |
372 | ||
373 | grep_source_clear(&gs); | |
5b594f45 FK |
374 | return hit; |
375 | } | |
5010cb5f JH |
376 | } |
377 | ||
678e484b JS |
378 | static void append_path(struct grep_opt *opt, const void *data, size_t len) |
379 | { | |
380 | struct string_list *path_list = opt->output_priv; | |
381 | ||
382 | if (len == 1 && *(const char *)data == '\0') | |
383 | return; | |
0c72cead | 384 | string_list_append(path_list, xstrndup(data, len)); |
678e484b JS |
385 | } |
386 | ||
387 | static void run_pager(struct grep_opt *opt, const char *prefix) | |
388 | { | |
389 | struct string_list *path_list = opt->output_priv; | |
850d2fec | 390 | struct child_process child = CHILD_PROCESS_INIT; |
678e484b JS |
391 | int i, status; |
392 | ||
393 | for (i = 0; i < path_list->nr; i++) | |
850d2fec JK |
394 | argv_array_push(&child.args, path_list->items[i].string); |
395 | child.dir = prefix; | |
396 | child.use_shell = 1; | |
678e484b | 397 | |
850d2fec | 398 | status = run_command(&child); |
678e484b JS |
399 | if (status) |
400 | exit(status); | |
678e484b JS |
401 | } |
402 | ||
f9ee2fcd BW |
403 | static int grep_cache(struct grep_opt *opt, struct repository *repo, |
404 | const struct pathspec *pathspec, int cached); | |
405 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, | |
406 | struct tree_desc *tree, struct strbuf *base, int tn_len, | |
407 | int check_attr, struct repository *repo); | |
0281e487 | 408 | |
f9ee2fcd BW |
409 | static int grep_submodule(struct grep_opt *opt, struct repository *superproject, |
410 | const struct pathspec *pathspec, | |
411 | const struct object_id *oid, | |
412 | const char *filename, const char *path) | |
0281e487 | 413 | { |
f9ee2fcd BW |
414 | struct repository submodule; |
415 | int hit; | |
74ed4371 | 416 | |
f9ee2fcd BW |
417 | if (!is_submodule_active(superproject, path)) |
418 | return 0; | |
0281e487 | 419 | |
f9ee2fcd BW |
420 | if (repo_submodule_init(&submodule, superproject, path)) |
421 | return 0; | |
be80a239 | 422 | |
f9ee2fcd | 423 | repo_read_gitmodules(&submodule); |
0281e487 | 424 | |
74ed4371 | 425 | /* |
f9ee2fcd BW |
426 | * NEEDSWORK: This adds the submodule's object directory to the list of |
427 | * alternates for the single in-memory object store. This has some bad | |
428 | * consequences for memory (processed objects will never be freed) and | |
429 | * performance (this increases the number of pack files git has to pay | |
430 | * attention to, to the sum of the number of pack files in all the | |
431 | * repositories processed so far). This can be removed once the object | |
432 | * store is no longer global and instead is a member of the repository | |
433 | * object. | |
74ed4371 | 434 | */ |
9560e624 | 435 | grep_read_lock(); |
90c62155 | 436 | add_to_alternates_memory(submodule.objects->objectdir); |
9560e624 | 437 | grep_read_unlock(); |
74ed4371 | 438 | |
f9ee2fcd BW |
439 | if (oid) { |
440 | struct object *object; | |
441 | struct tree_desc tree; | |
442 | void *data; | |
443 | unsigned long size; | |
444 | struct strbuf base = STRBUF_INIT; | |
74ed4371 | 445 | |
f9ee2fcd | 446 | object = parse_object_or_die(oid, oid_to_hex(oid)); |
0281e487 | 447 | |
f9ee2fcd BW |
448 | grep_read_lock(); |
449 | data = read_object_with_reference(object->oid.hash, tree_type, | |
450 | &size, NULL); | |
451 | grep_read_unlock(); | |
0281e487 | 452 | |
f9ee2fcd BW |
453 | if (!data) |
454 | die(_("unable to read tree (%s)"), oid_to_hex(&object->oid)); | |
0281e487 | 455 | |
f9ee2fcd BW |
456 | strbuf_addstr(&base, filename); |
457 | strbuf_addch(&base, '/'); | |
0281e487 | 458 | |
f9ee2fcd BW |
459 | init_tree_desc(&tree, data, size); |
460 | hit = grep_tree(opt, pathspec, &tree, &base, base.len, | |
461 | object->type == OBJ_COMMIT, &submodule); | |
462 | strbuf_release(&base); | |
463 | free(data); | |
464 | } else { | |
465 | hit = grep_cache(opt, &submodule, pathspec, 1); | |
e6fac7f3 | 466 | } |
0281e487 | 467 | |
f9ee2fcd BW |
468 | repo_clear(&submodule); |
469 | return hit; | |
0281e487 BW |
470 | } |
471 | ||
f9ee2fcd BW |
472 | static int grep_cache(struct grep_opt *opt, struct repository *repo, |
473 | const struct pathspec *pathspec, int cached) | |
5010cb5f JH |
474 | { |
475 | int hit = 0; | |
476 | int nr; | |
0281e487 BW |
477 | struct strbuf name = STRBUF_INIT; |
478 | int name_base_len = 0; | |
f9ee2fcd BW |
479 | if (repo->submodule_prefix) { |
480 | name_base_len = strlen(repo->submodule_prefix); | |
481 | strbuf_addstr(&name, repo->submodule_prefix); | |
0281e487 BW |
482 | } |
483 | ||
f9ee2fcd | 484 | repo_read_index(repo); |
5010cb5f | 485 | |
f9ee2fcd BW |
486 | for (nr = 0; nr < repo->index->cache_nr; nr++) { |
487 | const struct cache_entry *ce = repo->index->cache[nr]; | |
0281e487 BW |
488 | strbuf_setlen(&name, name_base_len); |
489 | strbuf_addstr(&name, ce->name); | |
490 | ||
491 | if (S_ISREG(ce->ce_mode) && | |
492 | match_pathspec(pathspec, name.buf, name.len, 0, NULL, | |
493 | S_ISDIR(ce->ce_mode) || | |
494 | S_ISGITLINK(ce->ce_mode))) { | |
495 | /* | |
496 | * If CE_VALID is on, we assume worktree file and its | |
497 | * cache entry are identical, even if worktree file has | |
498 | * been modified, so use cache version instead | |
499 | */ | |
500 | if (cached || (ce->ce_flags & CE_VALID) || | |
501 | ce_skip_worktree(ce)) { | |
502 | if (ce_stage(ce) || ce_intent_to_add(ce)) | |
503 | continue; | |
f9ee2fcd BW |
504 | hit |= grep_oid(opt, &ce->oid, name.buf, |
505 | 0, name.buf); | |
0281e487 | 506 | } else { |
f9ee2fcd | 507 | hit |= grep_file(opt, name.buf); |
0281e487 BW |
508 | } |
509 | } else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && | |
510 | submodule_path_match(pathspec, name.buf, NULL)) { | |
f9ee2fcd | 511 | hit |= grep_submodule(opt, repo, pathspec, NULL, ce->name, ce->name); |
0281e487 | 512 | } else { |
5010cb5f | 513 | continue; |
36f2587f | 514 | } |
0281e487 | 515 | |
36f2587f JH |
516 | if (ce_stage(ce)) { |
517 | do { | |
518 | nr++; | |
f9ee2fcd BW |
519 | } while (nr < repo->index->cache_nr && |
520 | !strcmp(ce->name, repo->index->cache[nr]->name)); | |
36f2587f JH |
521 | nr--; /* compensate for loop control */ |
522 | } | |
c8610a2e JH |
523 | if (hit && opt->status_only) |
524 | break; | |
5010cb5f | 525 | } |
0281e487 BW |
526 | |
527 | strbuf_release(&name); | |
5010cb5f JH |
528 | return hit; |
529 | } | |
530 | ||
f34bbc15 | 531 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, |
55c61688 | 532 | struct tree_desc *tree, struct strbuf *base, int tn_len, |
f9ee2fcd | 533 | int check_attr, struct repository *repo) |
5010cb5f | 534 | { |
d688cf07 NTND |
535 | int hit = 0; |
536 | enum interesting match = entry_not_interesting; | |
4c068a98 | 537 | struct name_entry entry; |
e5e062b6 | 538 | int old_baselen = base->len; |
74ed4371 BW |
539 | struct strbuf name = STRBUF_INIT; |
540 | int name_base_len = 0; | |
f9ee2fcd BW |
541 | if (repo->submodule_prefix) { |
542 | strbuf_addstr(&name, repo->submodule_prefix); | |
74ed4371 BW |
543 | name_base_len = name.len; |
544 | } | |
5010cb5f | 545 | |
4c068a98 | 546 | while (tree_entry(tree, &entry)) { |
0de16337 | 547 | int te_len = tree_entry_len(&entry); |
e5e062b6 | 548 | |
d688cf07 | 549 | if (match != all_entries_interesting) { |
74ed4371 BW |
550 | strbuf_addstr(&name, base->buf + tn_len); |
551 | match = tree_entry_interesting(&entry, &name, | |
552 | 0, pathspec); | |
553 | strbuf_setlen(&name, name_base_len); | |
554 | ||
d688cf07 | 555 | if (match == all_entries_not_interesting) |
97d0b74a | 556 | break; |
d688cf07 | 557 | if (match == entry_not_interesting) |
1376e507 NTND |
558 | continue; |
559 | } | |
5010cb5f | 560 | |
1376e507 | 561 | strbuf_add(base, entry.path, te_len); |
e0eb889f | 562 | |
1376e507 | 563 | if (S_ISREG(entry.mode)) { |
1db11086 | 564 | hit |= grep_oid(opt, entry.oid, base->buf, tn_len, |
55c61688 | 565 | check_attr ? base->buf + tn_len : NULL); |
74ed4371 | 566 | } else if (S_ISDIR(entry.mode)) { |
21666f1a | 567 | enum object_type type; |
5010cb5f JH |
568 | struct tree_desc sub; |
569 | void *data; | |
6fda5e51 LT |
570 | unsigned long size; |
571 | ||
1db11086 | 572 | data = lock_and_read_oid_file(entry.oid, &type, &size); |
5010cb5f | 573 | if (!data) |
2fc5f9f1 | 574 | die(_("unable to read tree (%s)"), |
7d924c91 | 575 | oid_to_hex(entry.oid)); |
1376e507 NTND |
576 | |
577 | strbuf_addch(base, '/'); | |
6fda5e51 | 578 | init_tree_desc(&sub, data, size); |
55c61688 | 579 | hit |= grep_tree(opt, pathspec, &sub, base, tn_len, |
f9ee2fcd | 580 | check_attr, repo); |
5010cb5f | 581 | free(data); |
74ed4371 | 582 | } else if (recurse_submodules && S_ISGITLINK(entry.mode)) { |
f9ee2fcd BW |
583 | hit |= grep_submodule(opt, repo, pathspec, entry.oid, |
584 | base->buf, base->buf + tn_len); | |
5010cb5f | 585 | } |
74ed4371 | 586 | |
e5e062b6 NTND |
587 | strbuf_setlen(base, old_baselen); |
588 | ||
c8610a2e JH |
589 | if (hit && opt->status_only) |
590 | break; | |
5010cb5f | 591 | } |
74ed4371 BW |
592 | |
593 | strbuf_release(&name); | |
5010cb5f JH |
594 | return hit; |
595 | } | |
596 | ||
f34bbc15 | 597 | static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, |
f9ee2fcd BW |
598 | struct object *obj, const char *name, const char *path, |
599 | struct repository *repo) | |
5010cb5f | 600 | { |
1974632c | 601 | if (obj->type == OBJ_BLOB) |
1db11086 | 602 | return grep_oid(opt, &obj->oid, name, 0, path); |
1974632c | 603 | if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { |
5010cb5f JH |
604 | struct tree_desc tree; |
605 | void *data; | |
6fda5e51 | 606 | unsigned long size; |
e5e062b6 NTND |
607 | struct strbuf base; |
608 | int hit, len; | |
609 | ||
b3aeb285 | 610 | grep_read_lock(); |
f2fd0760 | 611 | data = read_object_with_reference(obj->oid.hash, tree_type, |
6fda5e51 | 612 | &size, NULL); |
b3aeb285 | 613 | grep_read_unlock(); |
8cb5775b | 614 | |
5010cb5f | 615 | if (!data) |
f2fd0760 | 616 | die(_("unable to read tree (%s)"), oid_to_hex(&obj->oid)); |
e5e062b6 NTND |
617 | |
618 | len = name ? strlen(name) : 0; | |
619 | strbuf_init(&base, PATH_MAX + len + 1); | |
620 | if (len) { | |
621 | strbuf_add(&base, name, len); | |
622 | strbuf_addch(&base, ':'); | |
623 | } | |
6fda5e51 | 624 | init_tree_desc(&tree, data, size); |
55c61688 | 625 | hit = grep_tree(opt, pathspec, &tree, &base, base.len, |
f9ee2fcd | 626 | obj->type == OBJ_COMMIT, repo); |
e5e062b6 | 627 | strbuf_release(&base); |
5010cb5f JH |
628 | free(data); |
629 | return hit; | |
630 | } | |
2fc5f9f1 | 631 | die(_("unable to grep from object of type %s"), typename(obj->type)); |
5010cb5f JH |
632 | } |
633 | ||
f34bbc15 | 634 | static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, |
f9ee2fcd | 635 | struct repository *repo, |
30d00c39 JN |
636 | const struct object_array *list) |
637 | { | |
638 | unsigned int i; | |
639 | int hit = 0; | |
640 | const unsigned int nr = list->nr; | |
641 | ||
642 | for (i = 0; i < nr; i++) { | |
643 | struct object *real_obj; | |
644 | real_obj = deref_tag(list->objects[i].item, NULL, 0); | |
74ed4371 BW |
645 | |
646 | /* load the gitmodules file for this rev */ | |
647 | if (recurse_submodules) { | |
648 | submodule_free(); | |
cd73de47 | 649 | gitmodules_config_oid(&real_obj->oid); |
74ed4371 | 650 | } |
f9ee2fcd BW |
651 | if (grep_object(opt, pathspec, real_obj, list->objects[i].name, list->objects[i].path, |
652 | repo)) { | |
30d00c39 JN |
653 | hit = 1; |
654 | if (opt->status_only) | |
655 | break; | |
656 | } | |
657 | } | |
658 | return hit; | |
659 | } | |
660 | ||
dbfae86a | 661 | static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, |
85975c0c | 662 | int exc_std, int use_index) |
59332d13 JH |
663 | { |
664 | struct dir_struct dir; | |
665 | int i, hit = 0; | |
666 | ||
667 | memset(&dir, 0, sizeof(dir)); | |
85975c0c JK |
668 | if (!use_index) |
669 | dir.flags |= DIR_NO_GITLINKS; | |
0a93fb8a JH |
670 | if (exc_std) |
671 | setup_standard_excludes(&dir); | |
59332d13 | 672 | |
0d32c183 | 673 | fill_directory(&dir, &the_index, pathspec); |
59332d13 | 674 | for (i = 0; i < dir.nr; i++) { |
ebb32893 | 675 | if (!dir_path_match(dir.entries[i], pathspec, 0, NULL)) |
9d8b831b | 676 | continue; |
59332d13 JH |
677 | hit |= grep_file(opt, dir.entries[i]->name); |
678 | if (hit && opt->status_only) | |
679 | break; | |
680 | } | |
59332d13 JH |
681 | return hit; |
682 | } | |
683 | ||
ff3c7f9a RS |
684 | static int context_callback(const struct option *opt, const char *arg, |
685 | int unset) | |
3e230fa1 RS |
686 | { |
687 | struct grep_opt *grep_opt = opt->value; | |
688 | int value; | |
689 | const char *endp; | |
690 | ||
691 | if (unset) { | |
692 | grep_opt->pre_context = grep_opt->post_context = 0; | |
693 | return 0; | |
694 | } | |
695 | value = strtol(arg, (char **)&endp, 10); | |
696 | if (*endp) { | |
2fc5f9f1 | 697 | return error(_("switch `%c' expects a numerical value"), |
3e230fa1 RS |
698 | opt->short_name); |
699 | } | |
700 | grep_opt->pre_context = grep_opt->post_context = value; | |
701 | return 0; | |
702 | } | |
703 | ||
ff3c7f9a | 704 | static int file_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
705 | { |
706 | struct grep_opt *grep_opt = opt->value; | |
c41dd2fd | 707 | int from_stdin = !strcmp(arg, "-"); |
3e230fa1 RS |
708 | FILE *patterns; |
709 | int lno = 0; | |
cfe370c6 | 710 | struct strbuf sb = STRBUF_INIT; |
3e230fa1 | 711 | |
c41dd2fd | 712 | patterns = from_stdin ? stdin : fopen(arg, "r"); |
3e230fa1 | 713 | if (!patterns) |
2fc5f9f1 | 714 | die_errno(_("cannot open '%s'"), arg); |
a5518431 | 715 | while (strbuf_getline(&sb, patterns) == 0) { |
3e230fa1 RS |
716 | /* ignore empty line like grep does */ |
717 | if (sb.len == 0) | |
718 | continue; | |
ed40a095 | 719 | |
ec830611 RS |
720 | append_grep_pat(grep_opt, sb.buf, sb.len, arg, ++lno, |
721 | GREP_PATTERN); | |
3e230fa1 | 722 | } |
c41dd2fd RS |
723 | if (!from_stdin) |
724 | fclose(patterns); | |
3e230fa1 RS |
725 | strbuf_release(&sb); |
726 | return 0; | |
727 | } | |
728 | ||
ff3c7f9a | 729 | static int not_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
730 | { |
731 | struct grep_opt *grep_opt = opt->value; | |
732 | append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); | |
733 | return 0; | |
734 | } | |
735 | ||
ff3c7f9a | 736 | static int and_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
737 | { |
738 | struct grep_opt *grep_opt = opt->value; | |
739 | append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); | |
740 | return 0; | |
741 | } | |
742 | ||
ff3c7f9a | 743 | static int open_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
744 | { |
745 | struct grep_opt *grep_opt = opt->value; | |
746 | append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); | |
747 | return 0; | |
748 | } | |
749 | ||
ff3c7f9a | 750 | static int close_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
751 | { |
752 | struct grep_opt *grep_opt = opt->value; | |
753 | append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); | |
754 | return 0; | |
755 | } | |
756 | ||
ff3c7f9a RS |
757 | static int pattern_callback(const struct option *opt, const char *arg, |
758 | int unset) | |
3e230fa1 RS |
759 | { |
760 | struct grep_opt *grep_opt = opt->value; | |
761 | append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); | |
762 | return 0; | |
763 | } | |
5010cb5f | 764 | |
a633fca0 | 765 | int cmd_grep(int argc, const char **argv, const char *prefix) |
5010cb5f | 766 | { |
5010cb5f | 767 | int hit = 0; |
0a93fb8a | 768 | int cached = 0, untracked = 0, opt_exclude = -1; |
5acd64ed | 769 | int seen_dashdash = 0; |
bbc09c22 | 770 | int external_grep_allowed__ignored; |
0af88c15 | 771 | const char *show_in_pager = NULL, *default_pager = "dummy"; |
5010cb5f | 772 | struct grep_opt opt; |
3cd47459 | 773 | struct object_array list = OBJECT_ARRAY_INIT; |
f34bbc15 | 774 | struct pathspec pathspec; |
183113a5 | 775 | struct string_list path_list = STRING_LIST_INIT_NODUP; |
5acd64ed | 776 | int i; |
3e230fa1 | 777 | int dummy; |
ff38d1a9 | 778 | int use_index = 1; |
84befcd0 | 779 | int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED; |
131f3c96 | 780 | int allow_revs; |
cca2c172 | 781 | |
3e230fa1 | 782 | struct option options[] = { |
d5d09d47 | 783 | OPT_BOOL(0, "cached", &cached, |
4b407bc5 | 784 | N_("search in index instead of in the work tree")), |
cbb08c2e | 785 | OPT_NEGBIT(0, "no-index", &use_index, |
f63cf8c9 | 786 | N_("find in contents not managed by git"), 1), |
d5d09d47 | 787 | OPT_BOOL(0, "untracked", &untracked, |
4b407bc5 | 788 | N_("search in both tracked and untracked files")), |
0a93fb8a | 789 | OPT_SET_INT(0, "exclude-standard", &opt_exclude, |
77fdb8a8 | 790 | N_("ignore files specified via '.gitignore'"), 1), |
0281e487 | 791 | OPT_BOOL(0, "recurse-submodules", &recurse_submodules, |
4fb1c6aa | 792 | N_("recursively search in each submodule")), |
3e230fa1 | 793 | OPT_GROUP(""), |
d5d09d47 | 794 | OPT_BOOL('v', "invert-match", &opt.invert, |
4b407bc5 | 795 | N_("show non-matching lines")), |
d5d09d47 | 796 | OPT_BOOL('i', "ignore-case", &opt.ignore_case, |
4b407bc5 | 797 | N_("case insensitive matching")), |
d5d09d47 | 798 | OPT_BOOL('w', "word-regexp", &opt.word_regexp, |
4b407bc5 | 799 | N_("match patterns only at word boundaries")), |
3e230fa1 | 800 | OPT_SET_INT('a', "text", &opt.binary, |
4b407bc5 | 801 | N_("process binary files as text"), GREP_BINARY_TEXT), |
3e230fa1 | 802 | OPT_SET_INT('I', NULL, &opt.binary, |
4b407bc5 | 803 | N_("don't match patterns in binary files"), |
3e230fa1 | 804 | GREP_BINARY_NOMATCH), |
335ec3bf JK |
805 | OPT_BOOL(0, "textconv", &opt.allow_textconv, |
806 | N_("process binary files with textconv filters")), | |
4b407bc5 NTND |
807 | { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"), |
808 | N_("descend at most <depth> levels"), PARSE_OPT_NONEG, | |
a91f453f | 809 | NULL, 1 }, |
3e230fa1 | 810 | OPT_GROUP(""), |
84befcd0 | 811 | OPT_SET_INT('E', "extended-regexp", &pattern_type_arg, |
4b407bc5 | 812 | N_("use extended POSIX regular expressions"), |
84befcd0 S |
813 | GREP_PATTERN_TYPE_ERE), |
814 | OPT_SET_INT('G', "basic-regexp", &pattern_type_arg, | |
4b407bc5 | 815 | N_("use basic POSIX regular expressions (default)"), |
84befcd0 S |
816 | GREP_PATTERN_TYPE_BRE), |
817 | OPT_SET_INT('F', "fixed-strings", &pattern_type_arg, | |
4b407bc5 | 818 | N_("interpret patterns as fixed strings"), |
84befcd0 S |
819 | GREP_PATTERN_TYPE_FIXED), |
820 | OPT_SET_INT('P', "perl-regexp", &pattern_type_arg, | |
4b407bc5 | 821 | N_("use Perl-compatible regular expressions"), |
84befcd0 | 822 | GREP_PATTERN_TYPE_PCRE), |
3e230fa1 | 823 | OPT_GROUP(""), |
d5d09d47 | 824 | OPT_BOOL('n', "line-number", &opt.linenum, N_("show line numbers")), |
4b407bc5 NTND |
825 | OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1), |
826 | OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1), | |
3e230fa1 | 827 | OPT_NEGBIT(0, "full-name", &opt.relative, |
4b407bc5 | 828 | N_("show filenames relative to top directory"), 1), |
d5d09d47 | 829 | OPT_BOOL('l', "files-with-matches", &opt.name_only, |
4b407bc5 | 830 | N_("show only filenames instead of matching lines")), |
d5d09d47 | 831 | OPT_BOOL(0, "name-only", &opt.name_only, |
4b407bc5 | 832 | N_("synonym for --files-with-matches")), |
d5d09d47 | 833 | OPT_BOOL('L', "files-without-match", |
3e230fa1 | 834 | &opt.unmatch_name_only, |
4b407bc5 | 835 | N_("show only the names of files without match")), |
d5d09d47 | 836 | OPT_BOOL('z', "null", &opt.null_following_name, |
4b407bc5 | 837 | N_("print NUL after filenames")), |
d5d09d47 | 838 | OPT_BOOL('c', "count", &opt.count, |
4b407bc5 NTND |
839 | N_("show the number of matches instead of matching lines")), |
840 | OPT__COLOR(&opt.color, N_("highlight matches")), | |
d5d09d47 | 841 | OPT_BOOL(0, "break", &opt.file_break, |
4b407bc5 | 842 | N_("print empty line between matches from different files")), |
d5d09d47 | 843 | OPT_BOOL(0, "heading", &opt.heading, |
4b407bc5 | 844 | N_("show filename only once above matches from same file")), |
3e230fa1 | 845 | OPT_GROUP(""), |
4b407bc5 NTND |
846 | OPT_CALLBACK('C', "context", &opt, N_("n"), |
847 | N_("show <n> context lines before and after matches"), | |
3e230fa1 | 848 | context_callback), |
317f63c2 | 849 | OPT_INTEGER('B', "before-context", &opt.pre_context, |
4b407bc5 | 850 | N_("show <n> context lines before matches")), |
317f63c2 | 851 | OPT_INTEGER('A', "after-context", &opt.post_context, |
4b407bc5 | 852 | N_("show <n> context lines after matches")), |
89f09dd3 VL |
853 | OPT_INTEGER(0, "threads", &num_threads, |
854 | N_("use <n> worker threads")), | |
4b407bc5 | 855 | OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"), |
3e230fa1 | 856 | context_callback), |
d5d09d47 | 857 | OPT_BOOL('p', "show-function", &opt.funcname, |
4b407bc5 | 858 | N_("show a line with the function name before matches")), |
d5d09d47 | 859 | OPT_BOOL('W', "function-context", &opt.funcbody, |
4b407bc5 | 860 | N_("show the surrounding function")), |
3e230fa1 | 861 | OPT_GROUP(""), |
4b407bc5 NTND |
862 | OPT_CALLBACK('f', NULL, &opt, N_("file"), |
863 | N_("read patterns from file"), file_callback), | |
864 | { OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"), | |
865 | N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback }, | |
3e230fa1 | 866 | { OPTION_CALLBACK, 0, "and", &opt, NULL, |
4b407bc5 | 867 | N_("combine patterns specified with -e"), |
3e230fa1 | 868 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback }, |
d5d09d47 | 869 | OPT_BOOL(0, "or", &dummy, ""), |
3e230fa1 RS |
870 | { OPTION_CALLBACK, 0, "not", &opt, NULL, "", |
871 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback }, | |
872 | { OPTION_CALLBACK, '(', NULL, &opt, NULL, "", | |
873 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
874 | open_callback }, | |
875 | { OPTION_CALLBACK, ')', NULL, &opt, NULL, "", | |
876 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
877 | close_callback }, | |
d52ee6e6 | 878 | OPT__QUIET(&opt.status_only, |
4b407bc5 | 879 | N_("indicate hit with exit status without output")), |
d5d09d47 | 880 | OPT_BOOL(0, "all-match", &opt.all_match, |
4b407bc5 | 881 | N_("show only matches from files that match all patterns")), |
17bf35a3 | 882 | { OPTION_SET_INT, 0, "debug", &opt.debug, NULL, |
3d7535e4 | 883 | N_("show parse tree for grep expression"), |
17bf35a3 | 884 | PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 1 }, |
3e230fa1 | 885 | OPT_GROUP(""), |
0af88c15 | 886 | { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, |
4b407bc5 | 887 | N_("pager"), N_("show matching files in the pager"), |
0af88c15 | 888 | PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager }, |
d5d09d47 SB |
889 | OPT_BOOL(0, "ext-grep", &external_grep_allowed__ignored, |
890 | N_("allow calling of grep(1) (ignored by this build)")), | |
3e230fa1 RS |
891 | OPT_END() |
892 | }; | |
5010cb5f | 893 | |
15fabd1b JH |
894 | init_grep_defaults(); |
895 | git_config(grep_cmd_config, NULL); | |
896 | grep_init(&opt, prefix); | |
7e8f59d5 | 897 | |
5010cb5f | 898 | /* |
5acd64ed JH |
899 | * If there is no -- then the paths must exist in the working |
900 | * tree. If there is no explicit pattern specified with -e or | |
901 | * -f, we take the first unrecognized non option to be the | |
902 | * pattern, but then what follows it must be zero or more | |
903 | * valid refs up to the -- (if exists), and then existing | |
904 | * paths. If there is an explicit pattern, then the first | |
82e5a82f | 905 | * unrecognized non option is the beginning of the refs list |
5acd64ed | 906 | * that continues up to the -- (if exists), and then paths. |
5010cb5f | 907 | */ |
37782920 | 908 | argc = parse_options(argc, argv, prefix, options, grep_usage, |
3e230fa1 | 909 | PARSE_OPT_KEEP_DASHDASH | |
44415499 | 910 | PARSE_OPT_STOP_AT_NON_OPTION); |
c5c31d33 | 911 | grep_commit_pattern_type(pattern_type_arg, &opt); |
3e230fa1 | 912 | |
ecd9ba61 TG |
913 | if (use_index && !startup_info->have_repository) { |
914 | int fallback = 0; | |
915 | git_config_get_bool("grep.fallbacktonoindex", &fallback); | |
916 | if (fallback) | |
917 | use_index = 0; | |
918 | else | |
919 | /* die the same way as if we did it at the beginning */ | |
920 | setup_git_directory(); | |
921 | } | |
59332d13 | 922 | |
1123c67c JK |
923 | /* |
924 | * skip a -- separator; we know it cannot be | |
925 | * separating revisions from pathnames if | |
926 | * we haven't even had any patterns yet | |
927 | */ | |
928 | if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) { | |
929 | argv++; | |
930 | argc--; | |
931 | } | |
932 | ||
3e230fa1 RS |
933 | /* First unrecognized non-option token */ |
934 | if (argc > 0 && !opt.pattern_list) { | |
935 | append_grep_pattern(&opt, argv[0], "command line", 0, | |
936 | GREP_PATTERN); | |
937 | argv++; | |
938 | argc--; | |
5010cb5f | 939 | } |
5acd64ed | 940 | |
0af88c15 JS |
941 | if (show_in_pager == default_pager) |
942 | show_in_pager = git_pager(1); | |
678e484b | 943 | if (show_in_pager) { |
e7b082a4 | 944 | opt.color = 0; |
0af88c15 JS |
945 | opt.name_only = 1; |
946 | opt.null_following_name = 1; | |
947 | opt.output_priv = &path_list; | |
948 | opt.output = append_path; | |
0c72cead | 949 | string_list_append(&path_list, show_in_pager); |
678e484b JS |
950 | } |
951 | ||
f9b9faf6 | 952 | if (!opt.pattern_list) |
2fc5f9f1 | 953 | die(_("no pattern given.")); |
5b594f45 | 954 | |
b5b81136 JK |
955 | /* |
956 | * We have to find "--" in a separate pass, because its presence | |
957 | * influences how we will parse arguments that come before it. | |
958 | */ | |
959 | for (i = 0; i < argc; i++) { | |
960 | if (!strcmp(argv[i], "--")) { | |
961 | seen_dashdash = 1; | |
962 | break; | |
963 | } | |
964 | } | |
965 | ||
966 | /* | |
967 | * Resolve any rev arguments. If we have a dashdash, then everything up | |
968 | * to it must resolve as a rev. If not, then we stop at the first | |
969 | * non-rev and assume everything else is a path. | |
970 | */ | |
131f3c96 | 971 | allow_revs = use_index && !untracked; |
3e230fa1 | 972 | for (i = 0; i < argc; i++) { |
5acd64ed | 973 | const char *arg = argv[i]; |
1db11086 | 974 | struct object_id oid; |
afa15f3c | 975 | struct object_context oc; |
20d6421c JK |
976 | struct object *object; |
977 | ||
dca3b5f5 JT |
978 | if (!strcmp(arg, "--")) { |
979 | i++; | |
dca3b5f5 JT |
980 | break; |
981 | } | |
20d6421c | 982 | |
131f3c96 | 983 | if (!allow_revs) { |
d0ffc069 | 984 | if (seen_dashdash) |
131f3c96 | 985 | die(_("--no-index or --untracked cannot be used with revs")); |
d0ffc069 JK |
986 | break; |
987 | } | |
988 | ||
321c89bf | 989 | if (get_oid_with_context(arg, GET_OID_RECORD_PATH, |
e82caf38 | 990 | &oid, &oc)) { |
b5b81136 JK |
991 | if (seen_dashdash) |
992 | die(_("unable to resolve revision: %s"), arg); | |
20d6421c | 993 | break; |
b5b81136 | 994 | } |
20d6421c | 995 | |
c251c83d | 996 | object = parse_object_or_die(&oid, arg); |
20d6421c JK |
997 | if (!seen_dashdash) |
998 | verify_non_filename(prefix, arg); | |
999 | add_object_array_with_path(object, arg, &list, oc.mode, oc.path); | |
dc944b65 | 1000 | free(oc.path); |
1362671f | 1001 | } |
5acd64ed | 1002 | |
b5b81136 JK |
1003 | /* |
1004 | * Anything left over is presumed to be a path. But in the non-dashdash | |
1005 | * "do what I mean" case, we verify and complain when that isn't true. | |
1006 | */ | |
a0fe2b0d JK |
1007 | if (!seen_dashdash) { |
1008 | int j; | |
1009 | for (j = i; j < argc; j++) | |
131f3c96 | 1010 | verify_filename(prefix, argv[j], j == i && allow_revs); |
a0fe2b0d JK |
1011 | } |
1012 | ||
1013 | parse_pathspec(&pathspec, 0, | |
1014 | PATHSPEC_PREFER_CWD | | |
1015 | (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0), | |
1016 | prefix, argv + i); | |
1017 | pathspec.max_depth = opt.max_depth; | |
1018 | pathspec.recursive = 1; | |
eef3df5a | 1019 | pathspec.recurse_submodules = !!recurse_submodules; |
a0fe2b0d | 1020 | |
53b8d931 | 1021 | #ifndef NO_PTHREADS |
044b1f3c | 1022 | if (list.nr || cached || show_in_pager) |
89f09dd3 VL |
1023 | num_threads = 0; |
1024 | else if (num_threads == 0) | |
1025 | num_threads = GREP_NUM_THREADS_DEFAULT; | |
1026 | else if (num_threads < 0) | |
1027 | die(_("invalid number of threads specified (%d)"), num_threads); | |
9ec726a4 ÆAB |
1028 | if (num_threads == 1) |
1029 | num_threads = 0; | |
53b8d931 | 1030 | #else |
d1edee4a ÆAB |
1031 | if (num_threads) |
1032 | warning(_("no threads support, ignoring --threads")); | |
89f09dd3 | 1033 | num_threads = 0; |
53b8d931 TR |
1034 | #endif |
1035 | ||
6d423dd5 ÆAB |
1036 | if (!num_threads) |
1037 | /* | |
1038 | * The compiled patterns on the main path are only | |
1039 | * used when not using threading. Otherwise | |
1040 | * start_threads() below calls compile_grep_patterns() | |
1041 | * for each thread. | |
1042 | */ | |
1043 | compile_grep_patterns(&opt); | |
1044 | ||
53b8d931 | 1045 | #ifndef NO_PTHREADS |
89f09dd3 | 1046 | if (num_threads) { |
50dd0f2f AY |
1047 | if (!(opt.name_only || opt.unmatch_name_only || opt.count) |
1048 | && (opt.pre_context || opt.post_context || | |
1049 | opt.file_break || opt.funcbody)) | |
53b8d931 TR |
1050 | skip_first_line = 1; |
1051 | start_threads(&opt); | |
1052 | } | |
1053 | #endif | |
1054 | ||
678e484b | 1055 | if (show_in_pager && (cached || list.nr)) |
e4fe4ba5 | 1056 | die(_("--open-files-in-pager only works on the worktree")); |
678e484b JS |
1057 | |
1058 | if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) { | |
1059 | const char *pager = path_list.items[0].string; | |
1060 | int len = strlen(pager); | |
1061 | ||
1062 | if (len > 4 && is_dir_sep(pager[len - 5])) | |
1063 | pager += len - 4; | |
1064 | ||
f7febbea JS |
1065 | if (opt.ignore_case && !strcmp("less", pager)) |
1066 | string_list_append(&path_list, "-I"); | |
1067 | ||
678e484b JS |
1068 | if (!strcmp("less", pager) || !strcmp("vi", pager)) { |
1069 | struct strbuf buf = STRBUF_INIT; | |
1070 | strbuf_addf(&buf, "+/%s%s", | |
1071 | strcmp("less", pager) ? "" : "*", | |
1072 | opt.pattern_list->pattern); | |
0c72cead | 1073 | string_list_append(&path_list, buf.buf); |
678e484b JS |
1074 | strbuf_detach(&buf, NULL); |
1075 | } | |
1076 | } | |
1077 | ||
74ed4371 | 1078 | if (recurse_submodules && (!use_index || untracked)) |
0281e487 BW |
1079 | die(_("option not supported with --recurse-submodules.")); |
1080 | ||
c2048f0b | 1081 | if (!show_in_pager && !opt.status_only) |
678e484b JS |
1082 | setup_pager(); |
1083 | ||
0a93fb8a | 1084 | if (!use_index && (untracked || cached)) |
dbfae86a | 1085 | die(_("--cached or --untracked cannot be used with --no-index.")); |
678e484b | 1086 | |
0a93fb8a | 1087 | if (!use_index || untracked) { |
0a93fb8a | 1088 | int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; |
85975c0c | 1089 | hit = grep_directory(&opt, &pathspec, use_exclude, use_index); |
dbfae86a | 1090 | } else if (0 <= opt_exclude) { |
9fddaf78 | 1091 | die(_("--[no-]exclude-standard cannot be used for tracked contents.")); |
685359cf | 1092 | } else if (!list.nr) { |
6577f542 NTND |
1093 | if (!cached) |
1094 | setup_work_tree(); | |
5b594f45 | 1095 | |
f9ee2fcd | 1096 | hit = grep_cache(&opt, the_repository, &pathspec, cached); |
685359cf JS |
1097 | } else { |
1098 | if (cached) | |
2fc5f9f1 | 1099 | die(_("both --cached and trees are given.")); |
f9ee2fcd BW |
1100 | |
1101 | hit = grep_objects(&opt, &pathspec, the_repository, &list); | |
5010cb5f | 1102 | } |
5b594f45 | 1103 | |
89f09dd3 | 1104 | if (num_threads) |
5b594f45 | 1105 | hit |= wait_all(); |
678e484b JS |
1106 | if (hit && show_in_pager) |
1107 | run_pager(&opt, prefix); | |
7861fa07 | 1108 | clear_pathspec(&pathspec); |
b48fb5b6 | 1109 | free_grep_patterns(&opt); |
5010cb5f JH |
1110 | return !hit; |
1111 | } |