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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 | */ | |
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" |
6c307626 | 27 | #include "packfile.h" |
5b594f45 | 28 | |
3e230fa1 | 29 | static char const * const grep_usage[] = { |
9c9b4f2f | 30 | N_("git grep [<options>] [-e] <pattern> [<rev>...] [[--] <path>...]"), |
3e230fa1 RS |
31 | NULL |
32 | }; | |
33 | ||
0281e487 | 34 | static int recurse_submodules; |
0281e487 | 35 | |
89f09dd3 | 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 | |
70a9fef2 | 94 | static void add_work(struct grep_opt *opt, struct grep_source *gs) |
5b594f45 | 95 | { |
70a9fef2 MT |
96 | if (opt->binary != GREP_BINARY_TEXT) |
97 | grep_source_load_driver(gs, opt->repo->index); | |
98 | ||
5b594f45 FK |
99 | grep_lock(); |
100 | ||
101 | while ((todo_end+1) % ARRAY_SIZE(todo) == todo_done) { | |
102 | pthread_cond_wait(&cond_write, &grep_mutex); | |
103 | } | |
104 | ||
e2e05d61 | 105 | todo[todo_end].source = *gs; |
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); | |
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; |
1d1729ca | 208 | enable_obj_read_lock(); |
5b594f45 FK |
209 | |
210 | for (i = 0; i < ARRAY_SIZE(todo); i++) { | |
211 | strbuf_init(&todo[i].out, 0); | |
212 | } | |
213 | ||
ca56dadb | 214 | CALLOC_ARRAY(threads, num_threads); |
89f09dd3 | 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; | |
219 | compile_grep_patterns(o); | |
220 | err = pthread_create(&threads[i], NULL, run, o); | |
221 | ||
222 | if (err) | |
2fc5f9f1 | 223 | die(_("grep: failed to create thread: %s"), |
5b594f45 FK |
224 | strerror(err)); |
225 | } | |
226 | } | |
227 | ||
228 | static int wait_all(void) | |
229 | { | |
230 | int hit = 0; | |
231 | int i; | |
232 | ||
4002e87c | 233 | if (!HAVE_THREADS) |
fd6263fb | 234 | BUG("Never call this function unless you have started threads"); |
4002e87c | 235 | |
5b594f45 FK |
236 | grep_lock(); |
237 | all_work_added = 1; | |
238 | ||
239 | /* Wait until all work is done. */ | |
240 | while (todo_done != todo_end) | |
241 | pthread_cond_wait(&cond_result, &grep_mutex); | |
242 | ||
243 | /* Wake up all the consumer threads so they can see that there | |
244 | * is no more work to do. | |
245 | */ | |
246 | pthread_cond_broadcast(&cond_add); | |
247 | grep_unlock(); | |
248 | ||
89f09dd3 | 249 | for (i = 0; i < num_threads; i++) { |
5b594f45 FK |
250 | void *h; |
251 | pthread_join(threads[i], &h); | |
252 | hit |= (int) (intptr_t) h; | |
253 | } | |
254 | ||
89f09dd3 VL |
255 | free(threads); |
256 | ||
5b594f45 | 257 | pthread_mutex_destroy(&grep_mutex); |
0579f91d | 258 | pthread_mutex_destroy(&grep_attr_mutex); |
5b594f45 FK |
259 | pthread_cond_destroy(&cond_add); |
260 | pthread_cond_destroy(&cond_write); | |
261 | pthread_cond_destroy(&cond_result); | |
78db6ea9 | 262 | grep_use_locks = 0; |
1d1729ca | 263 | disable_obj_read_lock(); |
5b594f45 FK |
264 | |
265 | return hit; | |
266 | } | |
5b594f45 | 267 | |
15fabd1b JH |
268 | static int grep_cmd_config(const char *var, const char *value, void *cb) |
269 | { | |
270 | int st = grep_config(var, value, cb); | |
33c643bb | 271 | if (git_color_default_config(var, value, cb) < 0) |
15fabd1b | 272 | st = -1; |
89f09dd3 VL |
273 | |
274 | if (!strcmp(var, "grep.threads")) { | |
275 | num_threads = git_config_int(var, value); | |
276 | if (num_threads < 0) | |
277 | die(_("invalid number of threads specified (%d) for %s"), | |
278 | num_threads, var); | |
fd6263fb | 279 | else if (!HAVE_THREADS && num_threads > 1) { |
d1edee4a ÆAB |
280 | /* |
281 | * TRANSLATORS: %s is the configuration | |
282 | * variable for tweaking threads, currently | |
283 | * grep.threads | |
284 | */ | |
285 | warning(_("no threads support, ignoring %s"), var); | |
fd6263fb | 286 | num_threads = 1; |
d1edee4a | 287 | } |
89f09dd3 VL |
288 | } |
289 | ||
9071c078 SB |
290 | if (!strcmp(var, "submodule.recurse")) |
291 | recurse_submodules = git_config_bool(var, value); | |
292 | ||
15fabd1b JH |
293 | return st; |
294 | } | |
295 | ||
45115d84 MT |
296 | static void grep_source_name(struct grep_opt *opt, const char *filename, |
297 | int tree_name_len, struct strbuf *out) | |
298 | { | |
299 | strbuf_reset(out); | |
300 | ||
301 | if (opt->null_following_name) { | |
302 | if (opt->relative && opt->prefix_length) { | |
303 | struct strbuf rel_buf = STRBUF_INIT; | |
304 | const char *rel_name = | |
305 | relative_path(filename + tree_name_len, | |
306 | opt->prefix, &rel_buf); | |
307 | ||
308 | if (tree_name_len) | |
309 | strbuf_add(out, filename, tree_name_len); | |
310 | ||
311 | strbuf_addstr(out, rel_name); | |
312 | strbuf_release(&rel_buf); | |
313 | } else { | |
314 | strbuf_addstr(out, filename); | |
315 | } | |
316 | return; | |
317 | } | |
318 | ||
319 | if (opt->relative && opt->prefix_length) | |
88910c99 | 320 | quote_path(filename + tree_name_len, opt->prefix, out, 0); |
45115d84 MT |
321 | else |
322 | quote_c_style(filename + tree_name_len, out, NULL, 0); | |
323 | ||
324 | if (tree_name_len) | |
325 | strbuf_insert(out, 0, filename, tree_name_len); | |
326 | } | |
327 | ||
1db11086 | 328 | static int grep_oid(struct grep_opt *opt, const struct object_id *oid, |
55c61688 NTND |
329 | const char *filename, int tree_name_len, |
330 | const char *path) | |
5b594f45 FK |
331 | { |
332 | struct strbuf pathbuf = STRBUF_INIT; | |
e2e05d61 | 333 | struct grep_source gs; |
5b594f45 | 334 | |
45115d84 | 335 | grep_source_name(opt, filename, tree_name_len, &pathbuf); |
e2e05d61 | 336 | grep_source_init(&gs, GREP_SOURCE_OID, pathbuf.buf, path, oid); |
38ef24dc | 337 | strbuf_release(&pathbuf); |
e2e05d61 | 338 | |
fd6263fb | 339 | if (num_threads > 1) { |
e2e05d61 RV |
340 | /* |
341 | * add_work() copies gs and thus assumes ownership of | |
342 | * its fields, so do not call grep_source_clear() | |
343 | */ | |
344 | add_work(opt, &gs); | |
5b594f45 | 345 | return 0; |
4002e87c | 346 | } else { |
5b594f45 | 347 | int hit; |
5010cb5f | 348 | |
8f24a632 | 349 | hit = grep_source(opt, &gs); |
dc49cd76 | 350 | |
8f24a632 JK |
351 | grep_source_clear(&gs); |
352 | return hit; | |
5010cb5f | 353 | } |
5b594f45 FK |
354 | } |
355 | ||
356 | static int grep_file(struct grep_opt *opt, const char *filename) | |
357 | { | |
358 | struct strbuf buf = STRBUF_INIT; | |
e2e05d61 | 359 | struct grep_source gs; |
5b594f45 | 360 | |
45115d84 | 361 | grep_source_name(opt, filename, 0, &buf); |
e2e05d61 | 362 | grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename, filename); |
38ef24dc | 363 | strbuf_release(&buf); |
e2e05d61 | 364 | |
fd6263fb | 365 | if (num_threads > 1) { |
e2e05d61 RV |
366 | /* |
367 | * add_work() copies gs and thus assumes ownership of | |
368 | * its fields, so do not call grep_source_clear() | |
369 | */ | |
370 | add_work(opt, &gs); | |
5b594f45 | 371 | return 0; |
4002e87c | 372 | } else { |
5b594f45 | 373 | int hit; |
5b594f45 | 374 | |
8f24a632 JK |
375 | hit = grep_source(opt, &gs); |
376 | ||
377 | grep_source_clear(&gs); | |
5b594f45 FK |
378 | return hit; |
379 | } | |
5010cb5f JH |
380 | } |
381 | ||
678e484b JS |
382 | static void append_path(struct grep_opt *opt, const void *data, size_t len) |
383 | { | |
384 | struct string_list *path_list = opt->output_priv; | |
385 | ||
386 | if (len == 1 && *(const char *)data == '\0') | |
387 | return; | |
0c72cead | 388 | string_list_append(path_list, xstrndup(data, len)); |
678e484b JS |
389 | } |
390 | ||
391 | static void run_pager(struct grep_opt *opt, const char *prefix) | |
392 | { | |
393 | struct string_list *path_list = opt->output_priv; | |
850d2fec | 394 | struct child_process child = CHILD_PROCESS_INIT; |
678e484b JS |
395 | int i, status; |
396 | ||
397 | for (i = 0; i < path_list->nr; i++) | |
22f9b7f3 | 398 | strvec_push(&child.args, path_list->items[i].string); |
850d2fec JK |
399 | child.dir = prefix; |
400 | child.use_shell = 1; | |
678e484b | 401 | |
850d2fec | 402 | status = run_command(&child); |
678e484b JS |
403 | if (status) |
404 | exit(status); | |
678e484b JS |
405 | } |
406 | ||
dba093dd | 407 | static int grep_cache(struct grep_opt *opt, |
f9ee2fcd BW |
408 | const struct pathspec *pathspec, int cached); |
409 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, | |
410 | struct tree_desc *tree, struct strbuf *base, int tn_len, | |
dba093dd | 411 | int check_attr); |
0281e487 | 412 | |
dba093dd | 413 | static int grep_submodule(struct grep_opt *opt, |
f9ee2fcd BW |
414 | const struct pathspec *pathspec, |
415 | const struct object_id *oid, | |
6a289d45 | 416 | const char *filename, const char *path, int cached) |
0281e487 | 417 | { |
d5498e08 | 418 | struct repository subrepo; |
dba093dd | 419 | struct repository *superproject = opt->repo; |
faf123c7 | 420 | const struct submodule *sub; |
dba093dd | 421 | struct grep_opt subopt; |
f9ee2fcd | 422 | int hit; |
74ed4371 | 423 | |
faf123c7 | 424 | sub = submodule_from_path(superproject, &null_oid, path); |
76e9bdc4 | 425 | |
c441ea4e | 426 | if (!is_submodule_active(superproject, path)) |
f9ee2fcd | 427 | return 0; |
0281e487 | 428 | |
c441ea4e | 429 | if (repo_submodule_init(&subrepo, superproject, sub)) |
f9ee2fcd | 430 | return 0; |
be80a239 | 431 | |
c441ea4e MT |
432 | /* |
433 | * NEEDSWORK: repo_read_gitmodules() might call | |
434 | * add_to_alternates_memory() via config_from_gitmodules(). This | |
435 | * operation causes a race condition with concurrent object readings | |
436 | * performed by the worker threads. That's why we need obj_read_lock() | |
437 | * here. It should be removed once it's no longer necessary to add the | |
438 | * subrepo's odbs to the in-memory alternates list. | |
439 | */ | |
440 | obj_read_lock(); | |
d7992421 | 441 | repo_read_gitmodules(&subrepo, 0); |
0281e487 | 442 | |
74ed4371 | 443 | /* |
f9ee2fcd BW |
444 | * NEEDSWORK: This adds the submodule's object directory to the list of |
445 | * alternates for the single in-memory object store. This has some bad | |
446 | * consequences for memory (processed objects will never be freed) and | |
447 | * performance (this increases the number of pack files git has to pay | |
448 | * attention to, to the sum of the number of pack files in all the | |
449 | * repositories processed so far). This can be removed once the object | |
450 | * store is no longer global and instead is a member of the repository | |
451 | * object. | |
74ed4371 | 452 | */ |
5d3635db | 453 | add_to_alternates_memory(subrepo.objects->odb->path); |
1d1729ca | 454 | obj_read_unlock(); |
74ed4371 | 455 | |
dba093dd | 456 | memcpy(&subopt, opt, sizeof(subopt)); |
7589e636 | 457 | subopt.repo = &subrepo; |
dba093dd | 458 | |
f9ee2fcd BW |
459 | if (oid) { |
460 | struct object *object; | |
461 | struct tree_desc tree; | |
462 | void *data; | |
463 | unsigned long size; | |
464 | struct strbuf base = STRBUF_INIT; | |
74ed4371 | 465 | |
1d1729ca | 466 | obj_read_lock(); |
98c6871f | 467 | object = parse_object_or_die(oid, NULL); |
1d1729ca | 468 | obj_read_unlock(); |
d3b4705a NTND |
469 | data = read_object_with_reference(&subrepo, |
470 | &object->oid, tree_type, | |
f9ee2fcd | 471 | &size, NULL); |
f9ee2fcd BW |
472 | if (!data) |
473 | die(_("unable to read tree (%s)"), oid_to_hex(&object->oid)); | |
0281e487 | 474 | |
f9ee2fcd BW |
475 | strbuf_addstr(&base, filename); |
476 | strbuf_addch(&base, '/'); | |
0281e487 | 477 | |
f9ee2fcd | 478 | init_tree_desc(&tree, data, size); |
dba093dd NTND |
479 | hit = grep_tree(&subopt, pathspec, &tree, &base, base.len, |
480 | object->type == OBJ_COMMIT); | |
f9ee2fcd BW |
481 | strbuf_release(&base); |
482 | free(data); | |
483 | } else { | |
6a289d45 | 484 | hit = grep_cache(&subopt, pathspec, cached); |
e6fac7f3 | 485 | } |
0281e487 | 486 | |
d5498e08 | 487 | repo_clear(&subrepo); |
f9ee2fcd | 488 | return hit; |
0281e487 BW |
489 | } |
490 | ||
dba093dd | 491 | static int grep_cache(struct grep_opt *opt, |
f9ee2fcd | 492 | const struct pathspec *pathspec, int cached) |
5010cb5f | 493 | { |
dba093dd | 494 | struct repository *repo = opt->repo; |
5010cb5f JH |
495 | int hit = 0; |
496 | int nr; | |
0281e487 BW |
497 | struct strbuf name = STRBUF_INIT; |
498 | int name_base_len = 0; | |
f9ee2fcd BW |
499 | if (repo->submodule_prefix) { |
500 | name_base_len = strlen(repo->submodule_prefix); | |
501 | strbuf_addstr(&name, repo->submodule_prefix); | |
0281e487 BW |
502 | } |
503 | ||
b2aa84c7 | 504 | if (repo_read_index(repo) < 0) |
5507067d | 505 | die(_("index file corrupt")); |
5010cb5f | 506 | |
f9ee2fcd BW |
507 | for (nr = 0; nr < repo->index->cache_nr; nr++) { |
508 | const struct cache_entry *ce = repo->index->cache[nr]; | |
42d906be MT |
509 | |
510 | if (!cached && ce_skip_worktree(ce)) | |
511 | continue; | |
512 | ||
0281e487 BW |
513 | strbuf_setlen(&name, name_base_len); |
514 | strbuf_addstr(&name, ce->name); | |
515 | ||
516 | if (S_ISREG(ce->ce_mode) && | |
a4009b0b | 517 | match_pathspec(repo->index, pathspec, name.buf, name.len, 0, NULL, |
0281e487 BW |
518 | S_ISDIR(ce->ce_mode) || |
519 | S_ISGITLINK(ce->ce_mode))) { | |
520 | /* | |
521 | * If CE_VALID is on, we assume worktree file and its | |
522 | * cache entry are identical, even if worktree file has | |
523 | * been modified, so use cache version instead | |
524 | */ | |
42d906be | 525 | if (cached || (ce->ce_flags & CE_VALID)) { |
0281e487 BW |
526 | if (ce_stage(ce) || ce_intent_to_add(ce)) |
527 | continue; | |
f9ee2fcd BW |
528 | hit |= grep_oid(opt, &ce->oid, name.buf, |
529 | 0, name.buf); | |
0281e487 | 530 | } else { |
f9ee2fcd | 531 | hit |= grep_file(opt, name.buf); |
0281e487 BW |
532 | } |
533 | } else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && | |
a4009b0b | 534 | submodule_path_match(repo->index, pathspec, name.buf, NULL)) { |
6a289d45 MT |
535 | hit |= grep_submodule(opt, pathspec, NULL, ce->name, |
536 | ce->name, cached); | |
0281e487 | 537 | } else { |
5010cb5f | 538 | continue; |
36f2587f | 539 | } |
0281e487 | 540 | |
36f2587f JH |
541 | if (ce_stage(ce)) { |
542 | do { | |
543 | nr++; | |
f9ee2fcd BW |
544 | } while (nr < repo->index->cache_nr && |
545 | !strcmp(ce->name, repo->index->cache[nr]->name)); | |
36f2587f JH |
546 | nr--; /* compensate for loop control */ |
547 | } | |
c8610a2e JH |
548 | if (hit && opt->status_only) |
549 | break; | |
5010cb5f | 550 | } |
0281e487 BW |
551 | |
552 | strbuf_release(&name); | |
5010cb5f JH |
553 | return hit; |
554 | } | |
555 | ||
f34bbc15 | 556 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, |
55c61688 | 557 | struct tree_desc *tree, struct strbuf *base, int tn_len, |
dba093dd | 558 | int check_attr) |
5010cb5f | 559 | { |
dba093dd | 560 | struct repository *repo = opt->repo; |
d688cf07 NTND |
561 | int hit = 0; |
562 | enum interesting match = entry_not_interesting; | |
4c068a98 | 563 | struct name_entry entry; |
e5e062b6 | 564 | int old_baselen = base->len; |
74ed4371 BW |
565 | struct strbuf name = STRBUF_INIT; |
566 | int name_base_len = 0; | |
f9ee2fcd BW |
567 | if (repo->submodule_prefix) { |
568 | strbuf_addstr(&name, repo->submodule_prefix); | |
74ed4371 BW |
569 | name_base_len = name.len; |
570 | } | |
5010cb5f | 571 | |
4c068a98 | 572 | while (tree_entry(tree, &entry)) { |
0de16337 | 573 | int te_len = tree_entry_len(&entry); |
e5e062b6 | 574 | |
d688cf07 | 575 | if (match != all_entries_interesting) { |
74ed4371 | 576 | strbuf_addstr(&name, base->buf + tn_len); |
67022e02 NTND |
577 | match = tree_entry_interesting(repo->index, |
578 | &entry, &name, | |
74ed4371 BW |
579 | 0, pathspec); |
580 | strbuf_setlen(&name, name_base_len); | |
581 | ||
d688cf07 | 582 | if (match == all_entries_not_interesting) |
97d0b74a | 583 | break; |
d688cf07 | 584 | if (match == entry_not_interesting) |
1376e507 NTND |
585 | continue; |
586 | } | |
5010cb5f | 587 | |
1376e507 | 588 | strbuf_add(base, entry.path, te_len); |
e0eb889f | 589 | |
1376e507 | 590 | if (S_ISREG(entry.mode)) { |
ea82b2a0 | 591 | hit |= grep_oid(opt, &entry.oid, base->buf, tn_len, |
55c61688 | 592 | check_attr ? base->buf + tn_len : NULL); |
74ed4371 | 593 | } else if (S_ISDIR(entry.mode)) { |
21666f1a | 594 | enum object_type type; |
5010cb5f JH |
595 | struct tree_desc sub; |
596 | void *data; | |
6fda5e51 LT |
597 | unsigned long size; |
598 | ||
1d1729ca | 599 | data = read_object_file(&entry.oid, &type, &size); |
5010cb5f | 600 | if (!data) |
2fc5f9f1 | 601 | die(_("unable to read tree (%s)"), |
ea82b2a0 | 602 | oid_to_hex(&entry.oid)); |
1376e507 NTND |
603 | |
604 | strbuf_addch(base, '/'); | |
6fda5e51 | 605 | init_tree_desc(&sub, data, size); |
55c61688 | 606 | hit |= grep_tree(opt, pathspec, &sub, base, tn_len, |
dba093dd | 607 | check_attr); |
5010cb5f | 608 | free(data); |
74ed4371 | 609 | } else if (recurse_submodules && S_ISGITLINK(entry.mode)) { |
7589e636 | 610 | hit |= grep_submodule(opt, pathspec, &entry.oid, |
6a289d45 MT |
611 | base->buf, base->buf + tn_len, |
612 | 1); /* ignored */ | |
5010cb5f | 613 | } |
74ed4371 | 614 | |
e5e062b6 NTND |
615 | strbuf_setlen(base, old_baselen); |
616 | ||
c8610a2e JH |
617 | if (hit && opt->status_only) |
618 | break; | |
5010cb5f | 619 | } |
74ed4371 BW |
620 | |
621 | strbuf_release(&name); | |
5010cb5f JH |
622 | return hit; |
623 | } | |
624 | ||
f34bbc15 | 625 | static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, |
6856077a | 626 | struct object *obj, const char *name, const char *path) |
5010cb5f | 627 | { |
1974632c | 628 | if (obj->type == OBJ_BLOB) |
1db11086 | 629 | return grep_oid(opt, &obj->oid, name, 0, path); |
1974632c | 630 | if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { |
5010cb5f JH |
631 | struct tree_desc tree; |
632 | void *data; | |
6fda5e51 | 633 | unsigned long size; |
e5e062b6 NTND |
634 | struct strbuf base; |
635 | int hit, len; | |
636 | ||
d3b4705a NTND |
637 | data = read_object_with_reference(opt->repo, |
638 | &obj->oid, tree_type, | |
6fda5e51 | 639 | &size, NULL); |
5010cb5f | 640 | if (!data) |
f2fd0760 | 641 | die(_("unable to read tree (%s)"), oid_to_hex(&obj->oid)); |
e5e062b6 NTND |
642 | |
643 | len = name ? strlen(name) : 0; | |
644 | strbuf_init(&base, PATH_MAX + len + 1); | |
645 | if (len) { | |
646 | strbuf_add(&base, name, len); | |
647 | strbuf_addch(&base, ':'); | |
648 | } | |
6fda5e51 | 649 | init_tree_desc(&tree, data, size); |
55c61688 | 650 | hit = grep_tree(opt, pathspec, &tree, &base, base.len, |
dba093dd | 651 | obj->type == OBJ_COMMIT); |
e5e062b6 | 652 | strbuf_release(&base); |
5010cb5f JH |
653 | free(data); |
654 | return hit; | |
655 | } | |
debca9d2 | 656 | die(_("unable to grep from object of type %s"), type_name(obj->type)); |
5010cb5f JH |
657 | } |
658 | ||
f34bbc15 | 659 | static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, |
30d00c39 JN |
660 | const struct object_array *list) |
661 | { | |
662 | unsigned int i; | |
663 | int hit = 0; | |
664 | const unsigned int nr = list->nr; | |
665 | ||
666 | for (i = 0; i < nr; i++) { | |
667 | struct object *real_obj; | |
d5b0bac5 | 668 | |
1d1729ca | 669 | obj_read_lock(); |
dba093dd | 670 | real_obj = deref_tag(opt->repo, list->objects[i].item, |
a74093da | 671 | NULL, 0); |
1d1729ca | 672 | obj_read_unlock(); |
74ed4371 | 673 | |
e30b1525 RS |
674 | if (!real_obj) { |
675 | char hex[GIT_MAX_HEXSZ + 1]; | |
676 | const char *name = list->objects[i].name; | |
677 | ||
678 | if (!name) { | |
679 | oid_to_hex_r(hex, &list->objects[i].item->oid); | |
680 | name = hex; | |
681 | } | |
682 | die(_("invalid object '%s' given."), name); | |
683 | } | |
684 | ||
74ed4371 BW |
685 | /* load the gitmodules file for this rev */ |
686 | if (recurse_submodules) { | |
dba093dd | 687 | submodule_free(opt->repo); |
1d1729ca | 688 | obj_read_lock(); |
cd73de47 | 689 | gitmodules_config_oid(&real_obj->oid); |
1d1729ca | 690 | obj_read_unlock(); |
74ed4371 | 691 | } |
6856077a JT |
692 | if (grep_object(opt, pathspec, real_obj, list->objects[i].name, |
693 | list->objects[i].path)) { | |
30d00c39 JN |
694 | hit = 1; |
695 | if (opt->status_only) | |
696 | break; | |
697 | } | |
698 | } | |
699 | return hit; | |
700 | } | |
701 | ||
dbfae86a | 702 | static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, |
85975c0c | 703 | int exc_std, int use_index) |
59332d13 JH |
704 | { |
705 | struct dir_struct dir; | |
706 | int i, hit = 0; | |
707 | ||
eceba532 | 708 | dir_init(&dir); |
85975c0c JK |
709 | if (!use_index) |
710 | dir.flags |= DIR_NO_GITLINKS; | |
0a93fb8a JH |
711 | if (exc_std) |
712 | setup_standard_excludes(&dir); | |
59332d13 | 713 | |
dba093dd | 714 | fill_directory(&dir, opt->repo->index, pathspec); |
59332d13 JH |
715 | for (i = 0; i < dir.nr; i++) { |
716 | hit |= grep_file(opt, dir.entries[i]->name); | |
717 | if (hit && opt->status_only) | |
718 | break; | |
719 | } | |
eceba532 | 720 | dir_clear(&dir); |
59332d13 JH |
721 | return hit; |
722 | } | |
723 | ||
ff3c7f9a RS |
724 | static int context_callback(const struct option *opt, const char *arg, |
725 | int unset) | |
3e230fa1 RS |
726 | { |
727 | struct grep_opt *grep_opt = opt->value; | |
728 | int value; | |
729 | const char *endp; | |
730 | ||
731 | if (unset) { | |
732 | grep_opt->pre_context = grep_opt->post_context = 0; | |
733 | return 0; | |
734 | } | |
735 | value = strtol(arg, (char **)&endp, 10); | |
736 | if (*endp) { | |
2fc5f9f1 | 737 | return error(_("switch `%c' expects a numerical value"), |
3e230fa1 RS |
738 | opt->short_name); |
739 | } | |
740 | grep_opt->pre_context = grep_opt->post_context = value; | |
741 | return 0; | |
742 | } | |
743 | ||
ff3c7f9a | 744 | static int file_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
745 | { |
746 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 747 | int from_stdin; |
3e230fa1 RS |
748 | FILE *patterns; |
749 | int lno = 0; | |
cfe370c6 | 750 | struct strbuf sb = STRBUF_INIT; |
3e230fa1 | 751 | |
517fe807 JK |
752 | BUG_ON_OPT_NEG(unset); |
753 | ||
754 | from_stdin = !strcmp(arg, "-"); | |
c41dd2fd | 755 | patterns = from_stdin ? stdin : fopen(arg, "r"); |
3e230fa1 | 756 | if (!patterns) |
2fc5f9f1 | 757 | die_errno(_("cannot open '%s'"), arg); |
a5518431 | 758 | while (strbuf_getline(&sb, patterns) == 0) { |
3e230fa1 RS |
759 | /* ignore empty line like grep does */ |
760 | if (sb.len == 0) | |
761 | continue; | |
ed40a095 | 762 | |
ec830611 RS |
763 | append_grep_pat(grep_opt, sb.buf, sb.len, arg, ++lno, |
764 | GREP_PATTERN); | |
3e230fa1 | 765 | } |
c41dd2fd RS |
766 | if (!from_stdin) |
767 | fclose(patterns); | |
3e230fa1 RS |
768 | strbuf_release(&sb); |
769 | return 0; | |
770 | } | |
771 | ||
ff3c7f9a | 772 | static int not_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
773 | { |
774 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
775 | BUG_ON_OPT_NEG(unset); |
776 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
777 | append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); |
778 | return 0; | |
779 | } | |
780 | ||
ff3c7f9a | 781 | static int and_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
782 | { |
783 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
784 | BUG_ON_OPT_NEG(unset); |
785 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
786 | append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); |
787 | return 0; | |
788 | } | |
789 | ||
ff3c7f9a | 790 | static int open_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
791 | { |
792 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
793 | BUG_ON_OPT_NEG(unset); |
794 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
795 | append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); |
796 | return 0; | |
797 | } | |
798 | ||
ff3c7f9a | 799 | static int close_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
800 | { |
801 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
802 | BUG_ON_OPT_NEG(unset); |
803 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
804 | append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); |
805 | return 0; | |
806 | } | |
807 | ||
ff3c7f9a RS |
808 | static int pattern_callback(const struct option *opt, const char *arg, |
809 | int unset) | |
3e230fa1 RS |
810 | { |
811 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 812 | BUG_ON_OPT_NEG(unset); |
3e230fa1 RS |
813 | append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); |
814 | return 0; | |
815 | } | |
5010cb5f | 816 | |
a633fca0 | 817 | int cmd_grep(int argc, const char **argv, const char *prefix) |
5010cb5f | 818 | { |
5010cb5f | 819 | int hit = 0; |
0a93fb8a | 820 | int cached = 0, untracked = 0, opt_exclude = -1; |
5acd64ed | 821 | int seen_dashdash = 0; |
bbc09c22 | 822 | int external_grep_allowed__ignored; |
0af88c15 | 823 | const char *show_in_pager = NULL, *default_pager = "dummy"; |
5010cb5f | 824 | struct grep_opt opt; |
3cd47459 | 825 | struct object_array list = OBJECT_ARRAY_INIT; |
f34bbc15 | 826 | struct pathspec pathspec; |
183113a5 | 827 | struct string_list path_list = STRING_LIST_INIT_NODUP; |
5acd64ed | 828 | int i; |
3e230fa1 | 829 | int dummy; |
ff38d1a9 | 830 | int use_index = 1; |
84befcd0 | 831 | int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED; |
131f3c96 | 832 | int allow_revs; |
cca2c172 | 833 | |
3e230fa1 | 834 | struct option options[] = { |
d5d09d47 | 835 | OPT_BOOL(0, "cached", &cached, |
4b407bc5 | 836 | N_("search in index instead of in the work tree")), |
cbb08c2e | 837 | OPT_NEGBIT(0, "no-index", &use_index, |
f63cf8c9 | 838 | N_("find in contents not managed by git"), 1), |
d5d09d47 | 839 | OPT_BOOL(0, "untracked", &untracked, |
4b407bc5 | 840 | N_("search in both tracked and untracked files")), |
0a93fb8a | 841 | OPT_SET_INT(0, "exclude-standard", &opt_exclude, |
77fdb8a8 | 842 | N_("ignore files specified via '.gitignore'"), 1), |
0281e487 | 843 | OPT_BOOL(0, "recurse-submodules", &recurse_submodules, |
4fb1c6aa | 844 | N_("recursively search in each submodule")), |
3e230fa1 | 845 | OPT_GROUP(""), |
d5d09d47 | 846 | OPT_BOOL('v', "invert-match", &opt.invert, |
4b407bc5 | 847 | N_("show non-matching lines")), |
d5d09d47 | 848 | OPT_BOOL('i', "ignore-case", &opt.ignore_case, |
4b407bc5 | 849 | N_("case insensitive matching")), |
d5d09d47 | 850 | OPT_BOOL('w', "word-regexp", &opt.word_regexp, |
4b407bc5 | 851 | N_("match patterns only at word boundaries")), |
3e230fa1 | 852 | OPT_SET_INT('a', "text", &opt.binary, |
4b407bc5 | 853 | N_("process binary files as text"), GREP_BINARY_TEXT), |
3e230fa1 | 854 | OPT_SET_INT('I', NULL, &opt.binary, |
4b407bc5 | 855 | N_("don't match patterns in binary files"), |
3e230fa1 | 856 | GREP_BINARY_NOMATCH), |
335ec3bf JK |
857 | OPT_BOOL(0, "textconv", &opt.allow_textconv, |
858 | N_("process binary files with textconv filters")), | |
0a09e5ed RS |
859 | OPT_SET_INT('r', "recursive", &opt.max_depth, |
860 | N_("search in subdirectories (default)"), -1), | |
4b407bc5 NTND |
861 | { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"), |
862 | N_("descend at most <depth> levels"), PARSE_OPT_NONEG, | |
a91f453f | 863 | NULL, 1 }, |
3e230fa1 | 864 | OPT_GROUP(""), |
84befcd0 | 865 | OPT_SET_INT('E', "extended-regexp", &pattern_type_arg, |
4b407bc5 | 866 | N_("use extended POSIX regular expressions"), |
84befcd0 S |
867 | GREP_PATTERN_TYPE_ERE), |
868 | OPT_SET_INT('G', "basic-regexp", &pattern_type_arg, | |
4b407bc5 | 869 | N_("use basic POSIX regular expressions (default)"), |
84befcd0 S |
870 | GREP_PATTERN_TYPE_BRE), |
871 | OPT_SET_INT('F', "fixed-strings", &pattern_type_arg, | |
4b407bc5 | 872 | N_("interpret patterns as fixed strings"), |
84befcd0 S |
873 | GREP_PATTERN_TYPE_FIXED), |
874 | OPT_SET_INT('P', "perl-regexp", &pattern_type_arg, | |
4b407bc5 | 875 | N_("use Perl-compatible regular expressions"), |
84befcd0 | 876 | GREP_PATTERN_TYPE_PCRE), |
3e230fa1 | 877 | OPT_GROUP(""), |
d5d09d47 | 878 | OPT_BOOL('n', "line-number", &opt.linenum, N_("show line numbers")), |
a449f27f | 879 | OPT_BOOL(0, "column", &opt.columnnum, N_("show column number of first match")), |
4b407bc5 NTND |
880 | OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1), |
881 | OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1), | |
3e230fa1 | 882 | OPT_NEGBIT(0, "full-name", &opt.relative, |
4b407bc5 | 883 | N_("show filenames relative to top directory"), 1), |
d5d09d47 | 884 | OPT_BOOL('l', "files-with-matches", &opt.name_only, |
4b407bc5 | 885 | N_("show only filenames instead of matching lines")), |
d5d09d47 | 886 | OPT_BOOL(0, "name-only", &opt.name_only, |
4b407bc5 | 887 | N_("synonym for --files-with-matches")), |
d5d09d47 | 888 | OPT_BOOL('L', "files-without-match", |
3e230fa1 | 889 | &opt.unmatch_name_only, |
4b407bc5 | 890 | N_("show only the names of files without match")), |
caf2de33 NTND |
891 | OPT_BOOL_F('z', "null", &opt.null_following_name, |
892 | N_("print NUL after filenames"), | |
893 | PARSE_OPT_NOCOMPLETE), | |
9d8db06e TB |
894 | OPT_BOOL('o', "only-matching", &opt.only_matching, |
895 | N_("show only matching parts of a line")), | |
d5d09d47 | 896 | OPT_BOOL('c', "count", &opt.count, |
4b407bc5 NTND |
897 | N_("show the number of matches instead of matching lines")), |
898 | OPT__COLOR(&opt.color, N_("highlight matches")), | |
d5d09d47 | 899 | OPT_BOOL(0, "break", &opt.file_break, |
4b407bc5 | 900 | N_("print empty line between matches from different files")), |
d5d09d47 | 901 | OPT_BOOL(0, "heading", &opt.heading, |
4b407bc5 | 902 | N_("show filename only once above matches from same file")), |
3e230fa1 | 903 | OPT_GROUP(""), |
4b407bc5 NTND |
904 | OPT_CALLBACK('C', "context", &opt, N_("n"), |
905 | N_("show <n> context lines before and after matches"), | |
3e230fa1 | 906 | context_callback), |
317f63c2 | 907 | OPT_INTEGER('B', "before-context", &opt.pre_context, |
4b407bc5 | 908 | N_("show <n> context lines before matches")), |
317f63c2 | 909 | OPT_INTEGER('A', "after-context", &opt.post_context, |
4b407bc5 | 910 | N_("show <n> context lines after matches")), |
89f09dd3 VL |
911 | OPT_INTEGER(0, "threads", &num_threads, |
912 | N_("use <n> worker threads")), | |
4b407bc5 | 913 | OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"), |
3e230fa1 | 914 | context_callback), |
d5d09d47 | 915 | OPT_BOOL('p', "show-function", &opt.funcname, |
4b407bc5 | 916 | N_("show a line with the function name before matches")), |
d5d09d47 | 917 | OPT_BOOL('W', "function-context", &opt.funcbody, |
4b407bc5 | 918 | N_("show the surrounding function")), |
3e230fa1 | 919 | OPT_GROUP(""), |
4b407bc5 NTND |
920 | OPT_CALLBACK('f', NULL, &opt, N_("file"), |
921 | N_("read patterns from file"), file_callback), | |
203c8533 DL |
922 | OPT_CALLBACK_F('e', NULL, &opt, N_("pattern"), |
923 | N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback), | |
924 | OPT_CALLBACK_F(0, "and", &opt, NULL, | |
925 | N_("combine patterns specified with -e"), | |
926 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback), | |
d5d09d47 | 927 | OPT_BOOL(0, "or", &dummy, ""), |
203c8533 DL |
928 | OPT_CALLBACK_F(0, "not", &opt, NULL, "", |
929 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback), | |
930 | OPT_CALLBACK_F('(', NULL, &opt, NULL, "", | |
931 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
932 | open_callback), | |
933 | OPT_CALLBACK_F(')', NULL, &opt, NULL, "", | |
934 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
935 | close_callback), | |
d52ee6e6 | 936 | OPT__QUIET(&opt.status_only, |
4b407bc5 | 937 | N_("indicate hit with exit status without output")), |
d5d09d47 | 938 | OPT_BOOL(0, "all-match", &opt.all_match, |
4b407bc5 | 939 | N_("show only matches from files that match all patterns")), |
3e230fa1 | 940 | OPT_GROUP(""), |
0af88c15 | 941 | { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, |
4b407bc5 | 942 | N_("pager"), N_("show matching files in the pager"), |
caf2de33 NTND |
943 | PARSE_OPT_OPTARG | PARSE_OPT_NOCOMPLETE, |
944 | NULL, (intptr_t)default_pager }, | |
945 | OPT_BOOL_F(0, "ext-grep", &external_grep_allowed__ignored, | |
946 | N_("allow calling of grep(1) (ignored by this build)"), | |
947 | PARSE_OPT_NOCOMPLETE), | |
3e230fa1 RS |
948 | OPT_END() |
949 | }; | |
5010cb5f | 950 | |
15fabd1b | 951 | git_config(grep_cmd_config, NULL); |
38bbc2ea | 952 | grep_init(&opt, the_repository, prefix); |
7e8f59d5 | 953 | |
5010cb5f | 954 | /* |
5acd64ed JH |
955 | * If there is no -- then the paths must exist in the working |
956 | * tree. If there is no explicit pattern specified with -e or | |
957 | * -f, we take the first unrecognized non option to be the | |
958 | * pattern, but then what follows it must be zero or more | |
959 | * valid refs up to the -- (if exists), and then existing | |
960 | * paths. If there is an explicit pattern, then the first | |
82e5a82f | 961 | * unrecognized non option is the beginning of the refs list |
5acd64ed | 962 | * that continues up to the -- (if exists), and then paths. |
5010cb5f | 963 | */ |
37782920 | 964 | argc = parse_options(argc, argv, prefix, options, grep_usage, |
3e230fa1 | 965 | PARSE_OPT_KEEP_DASHDASH | |
44415499 | 966 | PARSE_OPT_STOP_AT_NON_OPTION); |
c5c31d33 | 967 | grep_commit_pattern_type(pattern_type_arg, &opt); |
3e230fa1 | 968 | |
ecd9ba61 TG |
969 | if (use_index && !startup_info->have_repository) { |
970 | int fallback = 0; | |
971 | git_config_get_bool("grep.fallbacktonoindex", &fallback); | |
972 | if (fallback) | |
973 | use_index = 0; | |
974 | else | |
975 | /* die the same way as if we did it at the beginning */ | |
976 | setup_git_directory(); | |
977 | } | |
c56c48dd PB |
978 | /* Ignore --recurse-submodules if --no-index is given or implied */ |
979 | if (!use_index) | |
980 | recurse_submodules = 0; | |
59332d13 | 981 | |
1123c67c JK |
982 | /* |
983 | * skip a -- separator; we know it cannot be | |
984 | * separating revisions from pathnames if | |
985 | * we haven't even had any patterns yet | |
986 | */ | |
987 | if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) { | |
988 | argv++; | |
989 | argc--; | |
990 | } | |
991 | ||
3e230fa1 RS |
992 | /* First unrecognized non-option token */ |
993 | if (argc > 0 && !opt.pattern_list) { | |
994 | append_grep_pattern(&opt, argv[0], "command line", 0, | |
995 | GREP_PATTERN); | |
996 | argv++; | |
997 | argc--; | |
5010cb5f | 998 | } |
5acd64ed | 999 | |
0af88c15 JS |
1000 | if (show_in_pager == default_pager) |
1001 | show_in_pager = git_pager(1); | |
678e484b | 1002 | if (show_in_pager) { |
e7b082a4 | 1003 | opt.color = 0; |
0af88c15 JS |
1004 | opt.name_only = 1; |
1005 | opt.null_following_name = 1; | |
1006 | opt.output_priv = &path_list; | |
1007 | opt.output = append_path; | |
0c72cead | 1008 | string_list_append(&path_list, show_in_pager); |
678e484b JS |
1009 | } |
1010 | ||
f9b9faf6 | 1011 | if (!opt.pattern_list) |
1a07e59c | 1012 | die(_("no pattern given")); |
5b594f45 | 1013 | |
9d8db06e TB |
1014 | /* --only-matching has no effect with --invert. */ |
1015 | if (opt.invert) | |
1016 | opt.only_matching = 0; | |
1017 | ||
b5b81136 JK |
1018 | /* |
1019 | * We have to find "--" in a separate pass, because its presence | |
1020 | * influences how we will parse arguments that come before it. | |
1021 | */ | |
1022 | for (i = 0; i < argc; i++) { | |
1023 | if (!strcmp(argv[i], "--")) { | |
1024 | seen_dashdash = 1; | |
1025 | break; | |
1026 | } | |
1027 | } | |
1028 | ||
1029 | /* | |
1030 | * Resolve any rev arguments. If we have a dashdash, then everything up | |
1031 | * to it must resolve as a rev. If not, then we stop at the first | |
1032 | * non-rev and assume everything else is a path. | |
1033 | */ | |
131f3c96 | 1034 | allow_revs = use_index && !untracked; |
3e230fa1 | 1035 | for (i = 0; i < argc; i++) { |
5acd64ed | 1036 | const char *arg = argv[i]; |
1db11086 | 1037 | struct object_id oid; |
afa15f3c | 1038 | struct object_context oc; |
20d6421c JK |
1039 | struct object *object; |
1040 | ||
dca3b5f5 JT |
1041 | if (!strcmp(arg, "--")) { |
1042 | i++; | |
dca3b5f5 JT |
1043 | break; |
1044 | } | |
20d6421c | 1045 | |
131f3c96 | 1046 | if (!allow_revs) { |
d0ffc069 | 1047 | if (seen_dashdash) |
131f3c96 | 1048 | die(_("--no-index or --untracked cannot be used with revs")); |
d0ffc069 JK |
1049 | break; |
1050 | } | |
1051 | ||
3a7a698e NTND |
1052 | if (get_oid_with_context(the_repository, arg, |
1053 | GET_OID_RECORD_PATH, | |
e82caf38 | 1054 | &oid, &oc)) { |
b5b81136 JK |
1055 | if (seen_dashdash) |
1056 | die(_("unable to resolve revision: %s"), arg); | |
20d6421c | 1057 | break; |
b5b81136 | 1058 | } |
20d6421c | 1059 | |
c251c83d | 1060 | object = parse_object_or_die(&oid, arg); |
20d6421c JK |
1061 | if (!seen_dashdash) |
1062 | verify_non_filename(prefix, arg); | |
1063 | add_object_array_with_path(object, arg, &list, oc.mode, oc.path); | |
dc944b65 | 1064 | free(oc.path); |
1362671f | 1065 | } |
5acd64ed | 1066 | |
b5b81136 JK |
1067 | /* |
1068 | * Anything left over is presumed to be a path. But in the non-dashdash | |
1069 | * "do what I mean" case, we verify and complain when that isn't true. | |
1070 | */ | |
a0fe2b0d JK |
1071 | if (!seen_dashdash) { |
1072 | int j; | |
1073 | for (j = i; j < argc; j++) | |
131f3c96 | 1074 | verify_filename(prefix, argv[j], j == i && allow_revs); |
a0fe2b0d JK |
1075 | } |
1076 | ||
1077 | parse_pathspec(&pathspec, 0, | |
1078 | PATHSPEC_PREFER_CWD | | |
1079 | (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0), | |
1080 | prefix, argv + i); | |
1081 | pathspec.max_depth = opt.max_depth; | |
1082 | pathspec.recursive = 1; | |
eef3df5a | 1083 | pathspec.recurse_submodules = !!recurse_submodules; |
a0fe2b0d | 1084 | |
56ceb64e JH |
1085 | if (recurse_submodules && untracked) |
1086 | die(_("--untracked not supported with --recurse-submodules")); | |
c441ea4e | 1087 | |
1184a95e | 1088 | if (show_in_pager) { |
fd6263fb NTND |
1089 | if (num_threads > 1) |
1090 | warning(_("invalid option combination, ignoring --threads")); | |
1091 | num_threads = 1; | |
1092 | } else if (!HAVE_THREADS && num_threads > 1) { | |
d1edee4a | 1093 | warning(_("no threads support, ignoring --threads")); |
fd6263fb NTND |
1094 | num_threads = 1; |
1095 | } else if (num_threads < 0) | |
1096 | die(_("invalid number of threads specified (%d)"), num_threads); | |
1097 | else if (num_threads == 0) | |
f1928f04 | 1098 | num_threads = HAVE_THREADS ? online_cpus() : 1; |
53b8d931 | 1099 | |
fd6263fb NTND |
1100 | if (num_threads > 1) { |
1101 | if (!HAVE_THREADS) | |
1102 | BUG("Somebody got num_threads calculation wrong!"); | |
1103 | if (!(opt.name_only || opt.unmatch_name_only || opt.count) | |
1104 | && (opt.pre_context || opt.post_context || | |
1105 | opt.file_break || opt.funcbody)) | |
1106 | skip_first_line = 1; | |
c441ea4e MT |
1107 | |
1108 | /* | |
6c307626 MT |
1109 | * Pre-read gitmodules (if not read already) and force eager |
1110 | * initialization of packed_git to prevent racy lazy | |
1111 | * reading/initialization once worker threads are started. | |
c441ea4e MT |
1112 | */ |
1113 | if (recurse_submodules) | |
1114 | repo_read_gitmodules(the_repository, 1); | |
6c307626 MT |
1115 | if (startup_info->have_repository) |
1116 | (void)get_packed_git(the_repository); | |
c441ea4e | 1117 | |
fd6263fb | 1118 | start_threads(&opt); |
4002e87c | 1119 | } else { |
6d423dd5 ÆAB |
1120 | /* |
1121 | * The compiled patterns on the main path are only | |
1122 | * used when not using threading. Otherwise | |
fd6263fb | 1123 | * start_threads() above calls compile_grep_patterns() |
6d423dd5 ÆAB |
1124 | * for each thread. |
1125 | */ | |
1126 | compile_grep_patterns(&opt); | |
53b8d931 | 1127 | } |
53b8d931 | 1128 | |
678e484b | 1129 | if (show_in_pager && (cached || list.nr)) |
e4fe4ba5 | 1130 | die(_("--open-files-in-pager only works on the worktree")); |
678e484b JS |
1131 | |
1132 | if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) { | |
1133 | const char *pager = path_list.items[0].string; | |
1134 | int len = strlen(pager); | |
1135 | ||
1136 | if (len > 4 && is_dir_sep(pager[len - 5])) | |
1137 | pager += len - 4; | |
1138 | ||
f7febbea JS |
1139 | if (opt.ignore_case && !strcmp("less", pager)) |
1140 | string_list_append(&path_list, "-I"); | |
1141 | ||
678e484b JS |
1142 | if (!strcmp("less", pager) || !strcmp("vi", pager)) { |
1143 | struct strbuf buf = STRBUF_INIT; | |
1144 | strbuf_addf(&buf, "+/%s%s", | |
1145 | strcmp("less", pager) ? "" : "*", | |
1146 | opt.pattern_list->pattern); | |
fd99c2dd RS |
1147 | string_list_append(&path_list, |
1148 | strbuf_detach(&buf, NULL)); | |
678e484b JS |
1149 | } |
1150 | } | |
1151 | ||
c2048f0b | 1152 | if (!show_in_pager && !opt.status_only) |
678e484b JS |
1153 | setup_pager(); |
1154 | ||
0a93fb8a | 1155 | if (!use_index && (untracked || cached)) |
1a07e59c | 1156 | die(_("--cached or --untracked cannot be used with --no-index")); |
678e484b | 1157 | |
0c5d83b2 MT |
1158 | if (untracked && cached) |
1159 | die(_("--untracked cannot be used with --cached")); | |
1160 | ||
0a93fb8a | 1161 | if (!use_index || untracked) { |
0a93fb8a | 1162 | int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; |
85975c0c | 1163 | hit = grep_directory(&opt, &pathspec, use_exclude, use_index); |
dbfae86a | 1164 | } else if (0 <= opt_exclude) { |
1a07e59c | 1165 | die(_("--[no-]exclude-standard cannot be used for tracked contents")); |
685359cf | 1166 | } else if (!list.nr) { |
6577f542 NTND |
1167 | if (!cached) |
1168 | setup_work_tree(); | |
5b594f45 | 1169 | |
dba093dd | 1170 | hit = grep_cache(&opt, &pathspec, cached); |
685359cf JS |
1171 | } else { |
1172 | if (cached) | |
1a07e59c | 1173 | die(_("both --cached and trees are given")); |
f9ee2fcd | 1174 | |
6856077a | 1175 | hit = grep_objects(&opt, &pathspec, &list); |
5010cb5f | 1176 | } |
5b594f45 | 1177 | |
fd6263fb | 1178 | if (num_threads > 1) |
5b594f45 | 1179 | hit |= wait_all(); |
678e484b JS |
1180 | if (hit && show_in_pager) |
1181 | run_pager(&opt, prefix); | |
7861fa07 | 1182 | clear_pathspec(&pathspec); |
b48fb5b6 | 1183 | free_grep_patterns(&opt); |
5010cb5f JH |
1184 | return !hit; |
1185 | } |