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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 | |
9725c8dd ÆAB |
29 | static const char *grep_prefix; |
30 | ||
3e230fa1 | 31 | static char const * const grep_usage[] = { |
9c9b4f2f | 32 | N_("git grep [<options>] [-e] <pattern> [<rev>...] [[--] <path>...]"), |
3e230fa1 RS |
33 | NULL |
34 | }; | |
35 | ||
0281e487 | 36 | static int recurse_submodules; |
0281e487 | 37 | |
89f09dd3 | 38 | static int num_threads; |
5b594f45 | 39 | |
89f09dd3 | 40 | static pthread_t *threads; |
5b594f45 | 41 | |
5b594f45 FK |
42 | /* We use one producer thread and THREADS consumer |
43 | * threads. The producer adds struct work_items to 'todo' and the | |
44 | * consumers pick work items from the same array. | |
45 | */ | |
9cba13ca | 46 | struct work_item { |
8f24a632 | 47 | struct grep_source source; |
5b594f45 FK |
48 | char done; |
49 | struct strbuf out; | |
50 | }; | |
51 | ||
52 | /* In the range [todo_done, todo_start) in 'todo' we have work_items | |
53 | * that have been or are processed by a consumer thread. We haven't | |
54 | * written the result for these to stdout yet. | |
55 | * | |
56 | * The work_items in [todo_start, todo_end) are waiting to be picked | |
57 | * up by a consumer thread. | |
58 | * | |
59 | * The ranges are modulo TODO_SIZE. | |
60 | */ | |
61 | #define TODO_SIZE 128 | |
62 | static struct work_item todo[TODO_SIZE]; | |
63 | static int todo_start; | |
64 | static int todo_end; | |
65 | static int todo_done; | |
66 | ||
67 | /* Has all work items been added? */ | |
68 | static int all_work_added; | |
69 | ||
dd45471a JT |
70 | static struct repository **repos_to_free; |
71 | static size_t repos_to_free_nr, repos_to_free_alloc; | |
72 | ||
5b594f45 FK |
73 | /* This lock protects all the variables above. */ |
74 | static pthread_mutex_t grep_mutex; | |
75 | ||
1487a12b JH |
76 | static inline void grep_lock(void) |
77 | { | |
8df4c295 | 78 | pthread_mutex_lock(&grep_mutex); |
1487a12b JH |
79 | } |
80 | ||
81 | static inline void grep_unlock(void) | |
82 | { | |
8df4c295 | 83 | pthread_mutex_unlock(&grep_mutex); |
1487a12b JH |
84 | } |
85 | ||
5b594f45 FK |
86 | /* Signalled when a new work_item is added to todo. */ |
87 | static pthread_cond_t cond_add; | |
88 | ||
89 | /* Signalled when the result from one work_item is written to | |
90 | * stdout. | |
91 | */ | |
92 | static pthread_cond_t cond_write; | |
93 | ||
94 | /* Signalled when we are finished with everything. */ | |
95 | static pthread_cond_t cond_result; | |
96 | ||
08303c36 | 97 | static int skip_first_line; |
431d6e7b | 98 | |
70a9fef2 | 99 | static void add_work(struct grep_opt *opt, struct grep_source *gs) |
5b594f45 | 100 | { |
70a9fef2 MT |
101 | if (opt->binary != GREP_BINARY_TEXT) |
102 | grep_source_load_driver(gs, opt->repo->index); | |
103 | ||
5b594f45 FK |
104 | grep_lock(); |
105 | ||
106 | while ((todo_end+1) % ARRAY_SIZE(todo) == todo_done) { | |
107 | pthread_cond_wait(&cond_write, &grep_mutex); | |
108 | } | |
109 | ||
e2e05d61 | 110 | todo[todo_end].source = *gs; |
5b594f45 FK |
111 | todo[todo_end].done = 0; |
112 | strbuf_reset(&todo[todo_end].out); | |
113 | todo_end = (todo_end + 1) % ARRAY_SIZE(todo); | |
114 | ||
115 | pthread_cond_signal(&cond_add); | |
116 | grep_unlock(); | |
117 | } | |
118 | ||
119 | static struct work_item *get_work(void) | |
120 | { | |
121 | struct work_item *ret; | |
122 | ||
123 | grep_lock(); | |
124 | while (todo_start == todo_end && !all_work_added) { | |
125 | pthread_cond_wait(&cond_add, &grep_mutex); | |
126 | } | |
127 | ||
128 | if (todo_start == todo_end && all_work_added) { | |
129 | ret = NULL; | |
130 | } else { | |
131 | ret = &todo[todo_start]; | |
132 | todo_start = (todo_start + 1) % ARRAY_SIZE(todo); | |
133 | } | |
134 | grep_unlock(); | |
135 | return ret; | |
136 | } | |
137 | ||
5b594f45 FK |
138 | static void work_done(struct work_item *w) |
139 | { | |
140 | int old_done; | |
141 | ||
142 | grep_lock(); | |
143 | w->done = 1; | |
144 | old_done = todo_done; | |
145 | for(; todo[todo_done].done && todo_done != todo_start; | |
146 | todo_done = (todo_done+1) % ARRAY_SIZE(todo)) { | |
147 | w = &todo[todo_done]; | |
431d6e7b | 148 | if (w->out.len) { |
08303c36 RS |
149 | const char *p = w->out.buf; |
150 | size_t len = w->out.len; | |
151 | ||
152 | /* Skip the leading hunk mark of the first file. */ | |
153 | if (skip_first_line) { | |
154 | while (len) { | |
155 | len--; | |
156 | if (*p++ == '\n') | |
157 | break; | |
158 | } | |
159 | skip_first_line = 0; | |
160 | } | |
161 | ||
162 | write_or_die(1, p, len); | |
431d6e7b | 163 | } |
8f24a632 | 164 | grep_source_clear(&w->source); |
5b594f45 FK |
165 | } |
166 | ||
167 | if (old_done != todo_done) | |
168 | pthread_cond_signal(&cond_write); | |
169 | ||
170 | if (all_work_added && todo_done == todo_end) | |
171 | pthread_cond_signal(&cond_result); | |
172 | ||
173 | grep_unlock(); | |
174 | } | |
175 | ||
dd45471a JT |
176 | static void free_repos(void) |
177 | { | |
178 | int i; | |
179 | ||
180 | for (i = 0; i < repos_to_free_nr; i++) { | |
181 | repo_clear(repos_to_free[i]); | |
182 | free(repos_to_free[i]); | |
183 | } | |
184 | FREE_AND_NULL(repos_to_free); | |
185 | repos_to_free_nr = 0; | |
186 | repos_to_free_alloc = 0; | |
187 | } | |
188 | ||
5b594f45 FK |
189 | static void *run(void *arg) |
190 | { | |
191 | int hit = 0; | |
192 | struct grep_opt *opt = arg; | |
193 | ||
194 | while (1) { | |
195 | struct work_item *w = get_work(); | |
196 | if (!w) | |
197 | break; | |
198 | ||
199 | opt->output_priv = w; | |
f9ee2fcd | 200 | hit |= grep_source(opt, &w->source); |
8f24a632 | 201 | grep_source_clear_data(&w->source); |
5b594f45 FK |
202 | work_done(w); |
203 | } | |
a2fb7672 ÆAB |
204 | free_grep_patterns(opt); |
205 | free(opt); | |
5b594f45 FK |
206 | |
207 | return (void*) (intptr_t) hit; | |
208 | } | |
209 | ||
210 | static void strbuf_out(struct grep_opt *opt, const void *buf, size_t size) | |
211 | { | |
212 | struct work_item *w = opt->output_priv; | |
213 | strbuf_add(&w->out, buf, size); | |
214 | } | |
215 | ||
216 | static void start_threads(struct grep_opt *opt) | |
217 | { | |
218 | int i; | |
219 | ||
220 | pthread_mutex_init(&grep_mutex, NULL); | |
0579f91d | 221 | pthread_mutex_init(&grep_attr_mutex, NULL); |
5b594f45 FK |
222 | pthread_cond_init(&cond_add, NULL); |
223 | pthread_cond_init(&cond_write, NULL); | |
224 | pthread_cond_init(&cond_result, NULL); | |
78db6ea9 | 225 | grep_use_locks = 1; |
1d1729ca | 226 | enable_obj_read_lock(); |
5b594f45 FK |
227 | |
228 | for (i = 0; i < ARRAY_SIZE(todo); i++) { | |
229 | strbuf_init(&todo[i].out, 0); | |
230 | } | |
231 | ||
ca56dadb | 232 | CALLOC_ARRAY(threads, num_threads); |
89f09dd3 | 233 | for (i = 0; i < num_threads; i++) { |
5b594f45 FK |
234 | int err; |
235 | struct grep_opt *o = grep_opt_dup(opt); | |
236 | o->output = strbuf_out; | |
237 | compile_grep_patterns(o); | |
238 | err = pthread_create(&threads[i], NULL, run, o); | |
239 | ||
240 | if (err) | |
2fc5f9f1 | 241 | die(_("grep: failed to create thread: %s"), |
5b594f45 FK |
242 | strerror(err)); |
243 | } | |
244 | } | |
245 | ||
246 | static int wait_all(void) | |
247 | { | |
248 | int hit = 0; | |
249 | int i; | |
250 | ||
4002e87c | 251 | if (!HAVE_THREADS) |
fd6263fb | 252 | BUG("Never call this function unless you have started threads"); |
4002e87c | 253 | |
5b594f45 FK |
254 | grep_lock(); |
255 | all_work_added = 1; | |
256 | ||
257 | /* Wait until all work is done. */ | |
258 | while (todo_done != todo_end) | |
259 | pthread_cond_wait(&cond_result, &grep_mutex); | |
260 | ||
261 | /* Wake up all the consumer threads so they can see that there | |
262 | * is no more work to do. | |
263 | */ | |
264 | pthread_cond_broadcast(&cond_add); | |
265 | grep_unlock(); | |
266 | ||
89f09dd3 | 267 | for (i = 0; i < num_threads; i++) { |
5b594f45 FK |
268 | void *h; |
269 | pthread_join(threads[i], &h); | |
270 | hit |= (int) (intptr_t) h; | |
271 | } | |
272 | ||
89f09dd3 VL |
273 | free(threads); |
274 | ||
5b594f45 | 275 | pthread_mutex_destroy(&grep_mutex); |
0579f91d | 276 | pthread_mutex_destroy(&grep_attr_mutex); |
5b594f45 FK |
277 | pthread_cond_destroy(&cond_add); |
278 | pthread_cond_destroy(&cond_write); | |
279 | pthread_cond_destroy(&cond_result); | |
78db6ea9 | 280 | grep_use_locks = 0; |
1d1729ca | 281 | disable_obj_read_lock(); |
5b594f45 FK |
282 | |
283 | return hit; | |
284 | } | |
5b594f45 | 285 | |
15fabd1b JH |
286 | static int grep_cmd_config(const char *var, const char *value, void *cb) |
287 | { | |
288 | int st = grep_config(var, value, cb); | |
b8db6ed8 | 289 | if (git_color_default_config(var, value, NULL) < 0) |
15fabd1b | 290 | st = -1; |
89f09dd3 VL |
291 | |
292 | if (!strcmp(var, "grep.threads")) { | |
293 | num_threads = git_config_int(var, value); | |
294 | if (num_threads < 0) | |
295 | die(_("invalid number of threads specified (%d) for %s"), | |
296 | num_threads, var); | |
fd6263fb | 297 | else if (!HAVE_THREADS && num_threads > 1) { |
d1edee4a ÆAB |
298 | /* |
299 | * TRANSLATORS: %s is the configuration | |
300 | * variable for tweaking threads, currently | |
301 | * grep.threads | |
302 | */ | |
303 | warning(_("no threads support, ignoring %s"), var); | |
fd6263fb | 304 | num_threads = 1; |
d1edee4a | 305 | } |
89f09dd3 VL |
306 | } |
307 | ||
9071c078 SB |
308 | if (!strcmp(var, "submodule.recurse")) |
309 | recurse_submodules = git_config_bool(var, value); | |
310 | ||
15fabd1b JH |
311 | return st; |
312 | } | |
313 | ||
45115d84 MT |
314 | static void grep_source_name(struct grep_opt *opt, const char *filename, |
315 | int tree_name_len, struct strbuf *out) | |
316 | { | |
317 | strbuf_reset(out); | |
318 | ||
319 | if (opt->null_following_name) { | |
9725c8dd | 320 | if (opt->relative && grep_prefix) { |
45115d84 MT |
321 | struct strbuf rel_buf = STRBUF_INIT; |
322 | const char *rel_name = | |
323 | relative_path(filename + tree_name_len, | |
9725c8dd | 324 | grep_prefix, &rel_buf); |
45115d84 MT |
325 | |
326 | if (tree_name_len) | |
327 | strbuf_add(out, filename, tree_name_len); | |
328 | ||
329 | strbuf_addstr(out, rel_name); | |
330 | strbuf_release(&rel_buf); | |
331 | } else { | |
332 | strbuf_addstr(out, filename); | |
333 | } | |
334 | return; | |
335 | } | |
336 | ||
9725c8dd ÆAB |
337 | if (opt->relative && grep_prefix) |
338 | quote_path(filename + tree_name_len, grep_prefix, out, 0); | |
45115d84 MT |
339 | else |
340 | quote_c_style(filename + tree_name_len, out, NULL, 0); | |
341 | ||
342 | if (tree_name_len) | |
343 | strbuf_insert(out, 0, filename, tree_name_len); | |
344 | } | |
345 | ||
1db11086 | 346 | static int grep_oid(struct grep_opt *opt, const struct object_id *oid, |
55c61688 NTND |
347 | const char *filename, int tree_name_len, |
348 | const char *path) | |
5b594f45 FK |
349 | { |
350 | struct strbuf pathbuf = STRBUF_INIT; | |
e2e05d61 | 351 | struct grep_source gs; |
5b594f45 | 352 | |
45115d84 | 353 | grep_source_name(opt, filename, tree_name_len, &pathbuf); |
0693806b | 354 | grep_source_init_oid(&gs, pathbuf.buf, path, oid, opt->repo); |
38ef24dc | 355 | strbuf_release(&pathbuf); |
e2e05d61 | 356 | |
fd6263fb | 357 | if (num_threads > 1) { |
e2e05d61 RV |
358 | /* |
359 | * add_work() copies gs and thus assumes ownership of | |
360 | * its fields, so do not call grep_source_clear() | |
361 | */ | |
362 | add_work(opt, &gs); | |
5b594f45 | 363 | return 0; |
4002e87c | 364 | } else { |
5b594f45 | 365 | int hit; |
5010cb5f | 366 | |
8f24a632 | 367 | hit = grep_source(opt, &gs); |
dc49cd76 | 368 | |
8f24a632 JK |
369 | grep_source_clear(&gs); |
370 | return hit; | |
5010cb5f | 371 | } |
5b594f45 FK |
372 | } |
373 | ||
374 | static int grep_file(struct grep_opt *opt, const char *filename) | |
375 | { | |
376 | struct strbuf buf = STRBUF_INIT; | |
e2e05d61 | 377 | struct grep_source gs; |
5b594f45 | 378 | |
45115d84 | 379 | grep_source_name(opt, filename, 0, &buf); |
50d92b5f | 380 | grep_source_init_file(&gs, buf.buf, filename); |
38ef24dc | 381 | strbuf_release(&buf); |
e2e05d61 | 382 | |
fd6263fb | 383 | if (num_threads > 1) { |
e2e05d61 RV |
384 | /* |
385 | * add_work() copies gs and thus assumes ownership of | |
386 | * its fields, so do not call grep_source_clear() | |
387 | */ | |
388 | add_work(opt, &gs); | |
5b594f45 | 389 | return 0; |
4002e87c | 390 | } else { |
5b594f45 | 391 | int hit; |
5b594f45 | 392 | |
8f24a632 JK |
393 | hit = grep_source(opt, &gs); |
394 | ||
395 | grep_source_clear(&gs); | |
5b594f45 FK |
396 | return hit; |
397 | } | |
5010cb5f JH |
398 | } |
399 | ||
678e484b JS |
400 | static void append_path(struct grep_opt *opt, const void *data, size_t len) |
401 | { | |
402 | struct string_list *path_list = opt->output_priv; | |
403 | ||
404 | if (len == 1 && *(const char *)data == '\0') | |
405 | return; | |
b202e51b | 406 | string_list_append_nodup(path_list, xstrndup(data, len)); |
678e484b JS |
407 | } |
408 | ||
409 | static void run_pager(struct grep_opt *opt, const char *prefix) | |
410 | { | |
411 | struct string_list *path_list = opt->output_priv; | |
850d2fec | 412 | struct child_process child = CHILD_PROCESS_INIT; |
678e484b JS |
413 | int i, status; |
414 | ||
415 | for (i = 0; i < path_list->nr; i++) | |
22f9b7f3 | 416 | strvec_push(&child.args, path_list->items[i].string); |
850d2fec JK |
417 | child.dir = prefix; |
418 | child.use_shell = 1; | |
678e484b | 419 | |
850d2fec | 420 | status = run_command(&child); |
678e484b JS |
421 | if (status) |
422 | exit(status); | |
678e484b JS |
423 | } |
424 | ||
dba093dd | 425 | static int grep_cache(struct grep_opt *opt, |
f9ee2fcd BW |
426 | const struct pathspec *pathspec, int cached); |
427 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, | |
428 | struct tree_desc *tree, struct strbuf *base, int tn_len, | |
dba093dd | 429 | int check_attr); |
0281e487 | 430 | |
dba093dd | 431 | static int grep_submodule(struct grep_opt *opt, |
f9ee2fcd BW |
432 | const struct pathspec *pathspec, |
433 | const struct object_id *oid, | |
6a289d45 | 434 | const char *filename, const char *path, int cached) |
0281e487 | 435 | { |
dd45471a | 436 | struct repository *subrepo; |
dba093dd | 437 | struct repository *superproject = opt->repo; |
dba093dd | 438 | struct grep_opt subopt; |
dd45471a | 439 | int hit = 0; |
74ed4371 | 440 | |
c441ea4e | 441 | if (!is_submodule_active(superproject, path)) |
f9ee2fcd | 442 | return 0; |
0281e487 | 443 | |
dd45471a | 444 | subrepo = xmalloc(sizeof(*subrepo)); |
8eb8dcf9 | 445 | if (repo_submodule_init(subrepo, superproject, path, null_oid())) { |
dd45471a | 446 | free(subrepo); |
f9ee2fcd | 447 | return 0; |
dd45471a JT |
448 | } |
449 | ALLOC_GROW(repos_to_free, repos_to_free_nr + 1, repos_to_free_alloc); | |
450 | repos_to_free[repos_to_free_nr++] = subrepo; | |
be80a239 | 451 | |
c441ea4e MT |
452 | /* |
453 | * NEEDSWORK: repo_read_gitmodules() might call | |
454 | * add_to_alternates_memory() via config_from_gitmodules(). This | |
455 | * operation causes a race condition with concurrent object readings | |
456 | * performed by the worker threads. That's why we need obj_read_lock() | |
457 | * here. It should be removed once it's no longer necessary to add the | |
458 | * subrepo's odbs to the in-memory alternates list. | |
459 | */ | |
460 | obj_read_lock(); | |
dd45471a | 461 | repo_read_gitmodules(subrepo, 0); |
0281e487 | 462 | |
74ed4371 | 463 | /* |
0693806b JT |
464 | * All code paths tested by test code no longer need submodule ODBs to |
465 | * be added as alternates, but add it to the list just in case. | |
466 | * Submodule ODBs added through add_submodule_odb_by_path() will be | |
467 | * lazily registered as alternates when needed (and except in an | |
468 | * unexpected code interaction, it won't be needed). | |
74ed4371 | 469 | */ |
dd45471a | 470 | add_submodule_odb_by_path(subrepo->objects->odb->path); |
1d1729ca | 471 | obj_read_unlock(); |
74ed4371 | 472 | |
dba093dd | 473 | memcpy(&subopt, opt, sizeof(subopt)); |
dd45471a | 474 | subopt.repo = subrepo; |
dba093dd | 475 | |
f9ee2fcd | 476 | if (oid) { |
78ca584f | 477 | enum object_type object_type; |
f9ee2fcd BW |
478 | struct tree_desc tree; |
479 | void *data; | |
480 | unsigned long size; | |
481 | struct strbuf base = STRBUF_INIT; | |
74ed4371 | 482 | |
1d1729ca | 483 | obj_read_lock(); |
dd45471a | 484 | object_type = oid_object_info(subrepo, oid, NULL); |
1d1729ca | 485 | obj_read_unlock(); |
dd45471a | 486 | data = read_object_with_reference(subrepo, |
6aea6bae | 487 | oid, OBJ_TREE, |
f9ee2fcd | 488 | &size, NULL); |
f9ee2fcd | 489 | if (!data) |
78ca584f | 490 | die(_("unable to read tree (%s)"), oid_to_hex(oid)); |
0281e487 | 491 | |
f9ee2fcd BW |
492 | strbuf_addstr(&base, filename); |
493 | strbuf_addch(&base, '/'); | |
0281e487 | 494 | |
f9ee2fcd | 495 | init_tree_desc(&tree, data, size); |
dba093dd | 496 | hit = grep_tree(&subopt, pathspec, &tree, &base, base.len, |
78ca584f | 497 | object_type == OBJ_COMMIT); |
f9ee2fcd BW |
498 | strbuf_release(&base); |
499 | free(data); | |
500 | } else { | |
6a289d45 | 501 | hit = grep_cache(&subopt, pathspec, cached); |
e6fac7f3 | 502 | } |
0281e487 | 503 | |
f9ee2fcd | 504 | return hit; |
0281e487 BW |
505 | } |
506 | ||
dba093dd | 507 | static int grep_cache(struct grep_opt *opt, |
f9ee2fcd | 508 | const struct pathspec *pathspec, int cached) |
5010cb5f | 509 | { |
dba093dd | 510 | struct repository *repo = opt->repo; |
5010cb5f JH |
511 | int hit = 0; |
512 | int nr; | |
0281e487 BW |
513 | struct strbuf name = STRBUF_INIT; |
514 | int name_base_len = 0; | |
f9ee2fcd BW |
515 | if (repo->submodule_prefix) { |
516 | name_base_len = strlen(repo->submodule_prefix); | |
517 | strbuf_addstr(&name, repo->submodule_prefix); | |
0281e487 BW |
518 | } |
519 | ||
b2aa84c7 | 520 | if (repo_read_index(repo) < 0) |
5507067d | 521 | die(_("index file corrupt")); |
5010cb5f | 522 | |
46eb6e31 DS |
523 | /* TODO: audit for interaction with sparse-index. */ |
524 | ensure_full_index(repo->index); | |
f9ee2fcd BW |
525 | for (nr = 0; nr < repo->index->cache_nr; nr++) { |
526 | const struct cache_entry *ce = repo->index->cache[nr]; | |
42d906be MT |
527 | |
528 | if (!cached && ce_skip_worktree(ce)) | |
529 | continue; | |
530 | ||
0281e487 BW |
531 | strbuf_setlen(&name, name_base_len); |
532 | strbuf_addstr(&name, ce->name); | |
533 | ||
534 | if (S_ISREG(ce->ce_mode) && | |
a4009b0b | 535 | match_pathspec(repo->index, pathspec, name.buf, name.len, 0, NULL, |
0281e487 BW |
536 | S_ISDIR(ce->ce_mode) || |
537 | S_ISGITLINK(ce->ce_mode))) { | |
538 | /* | |
539 | * If CE_VALID is on, we assume worktree file and its | |
540 | * cache entry are identical, even if worktree file has | |
541 | * been modified, so use cache version instead | |
542 | */ | |
42d906be | 543 | if (cached || (ce->ce_flags & CE_VALID)) { |
0281e487 BW |
544 | if (ce_stage(ce) || ce_intent_to_add(ce)) |
545 | continue; | |
f9ee2fcd BW |
546 | hit |= grep_oid(opt, &ce->oid, name.buf, |
547 | 0, name.buf); | |
0281e487 | 548 | } else { |
f9ee2fcd | 549 | hit |= grep_file(opt, name.buf); |
0281e487 BW |
550 | } |
551 | } else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && | |
a4009b0b | 552 | submodule_path_match(repo->index, pathspec, name.buf, NULL)) { |
6a289d45 MT |
553 | hit |= grep_submodule(opt, pathspec, NULL, ce->name, |
554 | ce->name, cached); | |
0281e487 | 555 | } else { |
5010cb5f | 556 | continue; |
36f2587f | 557 | } |
0281e487 | 558 | |
36f2587f JH |
559 | if (ce_stage(ce)) { |
560 | do { | |
561 | nr++; | |
f9ee2fcd BW |
562 | } while (nr < repo->index->cache_nr && |
563 | !strcmp(ce->name, repo->index->cache[nr]->name)); | |
36f2587f JH |
564 | nr--; /* compensate for loop control */ |
565 | } | |
c8610a2e JH |
566 | if (hit && opt->status_only) |
567 | break; | |
5010cb5f | 568 | } |
0281e487 BW |
569 | |
570 | strbuf_release(&name); | |
5010cb5f JH |
571 | return hit; |
572 | } | |
573 | ||
f34bbc15 | 574 | static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, |
55c61688 | 575 | struct tree_desc *tree, struct strbuf *base, int tn_len, |
dba093dd | 576 | int check_attr) |
5010cb5f | 577 | { |
dba093dd | 578 | struct repository *repo = opt->repo; |
d688cf07 NTND |
579 | int hit = 0; |
580 | enum interesting match = entry_not_interesting; | |
4c068a98 | 581 | struct name_entry entry; |
e5e062b6 | 582 | int old_baselen = base->len; |
74ed4371 BW |
583 | struct strbuf name = STRBUF_INIT; |
584 | int name_base_len = 0; | |
f9ee2fcd BW |
585 | if (repo->submodule_prefix) { |
586 | strbuf_addstr(&name, repo->submodule_prefix); | |
74ed4371 BW |
587 | name_base_len = name.len; |
588 | } | |
5010cb5f | 589 | |
4c068a98 | 590 | while (tree_entry(tree, &entry)) { |
0de16337 | 591 | int te_len = tree_entry_len(&entry); |
e5e062b6 | 592 | |
d688cf07 | 593 | if (match != all_entries_interesting) { |
74ed4371 | 594 | strbuf_addstr(&name, base->buf + tn_len); |
67022e02 NTND |
595 | match = tree_entry_interesting(repo->index, |
596 | &entry, &name, | |
74ed4371 BW |
597 | 0, pathspec); |
598 | strbuf_setlen(&name, name_base_len); | |
599 | ||
d688cf07 | 600 | if (match == all_entries_not_interesting) |
97d0b74a | 601 | break; |
d688cf07 | 602 | if (match == entry_not_interesting) |
1376e507 NTND |
603 | continue; |
604 | } | |
5010cb5f | 605 | |
1376e507 | 606 | strbuf_add(base, entry.path, te_len); |
e0eb889f | 607 | |
1376e507 | 608 | if (S_ISREG(entry.mode)) { |
ea82b2a0 | 609 | hit |= grep_oid(opt, &entry.oid, base->buf, tn_len, |
55c61688 | 610 | check_attr ? base->buf + tn_len : NULL); |
74ed4371 | 611 | } else if (S_ISDIR(entry.mode)) { |
21666f1a | 612 | enum object_type type; |
5010cb5f JH |
613 | struct tree_desc sub; |
614 | void *data; | |
6fda5e51 LT |
615 | unsigned long size; |
616 | ||
1d1729ca | 617 | data = read_object_file(&entry.oid, &type, &size); |
5010cb5f | 618 | if (!data) |
2fc5f9f1 | 619 | die(_("unable to read tree (%s)"), |
ea82b2a0 | 620 | oid_to_hex(&entry.oid)); |
1376e507 NTND |
621 | |
622 | strbuf_addch(base, '/'); | |
6fda5e51 | 623 | init_tree_desc(&sub, data, size); |
55c61688 | 624 | hit |= grep_tree(opt, pathspec, &sub, base, tn_len, |
dba093dd | 625 | check_attr); |
5010cb5f | 626 | free(data); |
74ed4371 | 627 | } else if (recurse_submodules && S_ISGITLINK(entry.mode)) { |
7589e636 | 628 | hit |= grep_submodule(opt, pathspec, &entry.oid, |
6a289d45 MT |
629 | base->buf, base->buf + tn_len, |
630 | 1); /* ignored */ | |
5010cb5f | 631 | } |
74ed4371 | 632 | |
e5e062b6 NTND |
633 | strbuf_setlen(base, old_baselen); |
634 | ||
c8610a2e JH |
635 | if (hit && opt->status_only) |
636 | break; | |
5010cb5f | 637 | } |
74ed4371 BW |
638 | |
639 | strbuf_release(&name); | |
5010cb5f JH |
640 | return hit; |
641 | } | |
642 | ||
f34bbc15 | 643 | static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, |
6856077a | 644 | struct object *obj, const char *name, const char *path) |
5010cb5f | 645 | { |
1974632c | 646 | if (obj->type == OBJ_BLOB) |
1db11086 | 647 | return grep_oid(opt, &obj->oid, name, 0, path); |
1974632c | 648 | if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) { |
5010cb5f JH |
649 | struct tree_desc tree; |
650 | void *data; | |
6fda5e51 | 651 | unsigned long size; |
e5e062b6 NTND |
652 | struct strbuf base; |
653 | int hit, len; | |
654 | ||
d3b4705a | 655 | data = read_object_with_reference(opt->repo, |
6aea6bae | 656 | &obj->oid, OBJ_TREE, |
6fda5e51 | 657 | &size, NULL); |
5010cb5f | 658 | if (!data) |
f2fd0760 | 659 | die(_("unable to read tree (%s)"), oid_to_hex(&obj->oid)); |
e5e062b6 NTND |
660 | |
661 | len = name ? strlen(name) : 0; | |
662 | strbuf_init(&base, PATH_MAX + len + 1); | |
663 | if (len) { | |
664 | strbuf_add(&base, name, len); | |
665 | strbuf_addch(&base, ':'); | |
666 | } | |
6fda5e51 | 667 | init_tree_desc(&tree, data, size); |
55c61688 | 668 | hit = grep_tree(opt, pathspec, &tree, &base, base.len, |
dba093dd | 669 | obj->type == OBJ_COMMIT); |
e5e062b6 | 670 | strbuf_release(&base); |
5010cb5f JH |
671 | free(data); |
672 | return hit; | |
673 | } | |
debca9d2 | 674 | die(_("unable to grep from object of type %s"), type_name(obj->type)); |
5010cb5f JH |
675 | } |
676 | ||
f34bbc15 | 677 | static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, |
30d00c39 JN |
678 | const struct object_array *list) |
679 | { | |
680 | unsigned int i; | |
681 | int hit = 0; | |
682 | const unsigned int nr = list->nr; | |
683 | ||
684 | for (i = 0; i < nr; i++) { | |
685 | struct object *real_obj; | |
d5b0bac5 | 686 | |
1d1729ca | 687 | obj_read_lock(); |
dba093dd | 688 | real_obj = deref_tag(opt->repo, list->objects[i].item, |
a74093da | 689 | NULL, 0); |
1d1729ca | 690 | obj_read_unlock(); |
74ed4371 | 691 | |
e30b1525 RS |
692 | if (!real_obj) { |
693 | char hex[GIT_MAX_HEXSZ + 1]; | |
694 | const char *name = list->objects[i].name; | |
695 | ||
696 | if (!name) { | |
697 | oid_to_hex_r(hex, &list->objects[i].item->oid); | |
698 | name = hex; | |
699 | } | |
700 | die(_("invalid object '%s' given."), name); | |
701 | } | |
702 | ||
74ed4371 BW |
703 | /* load the gitmodules file for this rev */ |
704 | if (recurse_submodules) { | |
dba093dd | 705 | submodule_free(opt->repo); |
1d1729ca | 706 | obj_read_lock(); |
cd73de47 | 707 | gitmodules_config_oid(&real_obj->oid); |
1d1729ca | 708 | obj_read_unlock(); |
74ed4371 | 709 | } |
6856077a JT |
710 | if (grep_object(opt, pathspec, real_obj, list->objects[i].name, |
711 | list->objects[i].path)) { | |
30d00c39 JN |
712 | hit = 1; |
713 | if (opt->status_only) | |
714 | break; | |
715 | } | |
716 | } | |
717 | return hit; | |
718 | } | |
719 | ||
dbfae86a | 720 | static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, |
85975c0c | 721 | int exc_std, int use_index) |
59332d13 | 722 | { |
ce93a4c6 | 723 | struct dir_struct dir = DIR_INIT; |
59332d13 JH |
724 | int i, hit = 0; |
725 | ||
85975c0c JK |
726 | if (!use_index) |
727 | dir.flags |= DIR_NO_GITLINKS; | |
0a93fb8a JH |
728 | if (exc_std) |
729 | setup_standard_excludes(&dir); | |
59332d13 | 730 | |
dba093dd | 731 | fill_directory(&dir, opt->repo->index, pathspec); |
59332d13 JH |
732 | for (i = 0; i < dir.nr; i++) { |
733 | hit |= grep_file(opt, dir.entries[i]->name); | |
734 | if (hit && opt->status_only) | |
735 | break; | |
736 | } | |
eceba532 | 737 | dir_clear(&dir); |
59332d13 JH |
738 | return hit; |
739 | } | |
740 | ||
ff3c7f9a RS |
741 | static int context_callback(const struct option *opt, const char *arg, |
742 | int unset) | |
3e230fa1 RS |
743 | { |
744 | struct grep_opt *grep_opt = opt->value; | |
745 | int value; | |
746 | const char *endp; | |
747 | ||
748 | if (unset) { | |
749 | grep_opt->pre_context = grep_opt->post_context = 0; | |
750 | return 0; | |
751 | } | |
752 | value = strtol(arg, (char **)&endp, 10); | |
753 | if (*endp) { | |
2fc5f9f1 | 754 | return error(_("switch `%c' expects a numerical value"), |
3e230fa1 RS |
755 | opt->short_name); |
756 | } | |
757 | grep_opt->pre_context = grep_opt->post_context = value; | |
758 | return 0; | |
759 | } | |
760 | ||
ff3c7f9a | 761 | static int file_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
762 | { |
763 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 764 | int from_stdin; |
3e230fa1 RS |
765 | FILE *patterns; |
766 | int lno = 0; | |
cfe370c6 | 767 | struct strbuf sb = STRBUF_INIT; |
3e230fa1 | 768 | |
517fe807 JK |
769 | BUG_ON_OPT_NEG(unset); |
770 | ||
771 | from_stdin = !strcmp(arg, "-"); | |
c41dd2fd | 772 | patterns = from_stdin ? stdin : fopen(arg, "r"); |
3e230fa1 | 773 | if (!patterns) |
2fc5f9f1 | 774 | die_errno(_("cannot open '%s'"), arg); |
a5518431 | 775 | while (strbuf_getline(&sb, patterns) == 0) { |
3e230fa1 RS |
776 | /* ignore empty line like grep does */ |
777 | if (sb.len == 0) | |
778 | continue; | |
ed40a095 | 779 | |
ec830611 RS |
780 | append_grep_pat(grep_opt, sb.buf, sb.len, arg, ++lno, |
781 | GREP_PATTERN); | |
3e230fa1 | 782 | } |
c41dd2fd RS |
783 | if (!from_stdin) |
784 | fclose(patterns); | |
3e230fa1 RS |
785 | strbuf_release(&sb); |
786 | return 0; | |
787 | } | |
788 | ||
ff3c7f9a | 789 | static int not_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
790 | { |
791 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
792 | BUG_ON_OPT_NEG(unset); |
793 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
794 | append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); |
795 | return 0; | |
796 | } | |
797 | ||
ff3c7f9a | 798 | static int and_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
799 | { |
800 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
801 | BUG_ON_OPT_NEG(unset); |
802 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
803 | append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); |
804 | return 0; | |
805 | } | |
806 | ||
ff3c7f9a | 807 | static int open_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
808 | { |
809 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
810 | BUG_ON_OPT_NEG(unset); |
811 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
812 | append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); |
813 | return 0; | |
814 | } | |
815 | ||
ff3c7f9a | 816 | static int close_callback(const struct option *opt, const char *arg, int unset) |
3e230fa1 RS |
817 | { |
818 | struct grep_opt *grep_opt = opt->value; | |
517fe807 JK |
819 | BUG_ON_OPT_NEG(unset); |
820 | BUG_ON_OPT_ARG(arg); | |
3e230fa1 RS |
821 | append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); |
822 | return 0; | |
823 | } | |
824 | ||
ff3c7f9a RS |
825 | static int pattern_callback(const struct option *opt, const char *arg, |
826 | int unset) | |
3e230fa1 RS |
827 | { |
828 | struct grep_opt *grep_opt = opt->value; | |
517fe807 | 829 | BUG_ON_OPT_NEG(unset); |
3e230fa1 RS |
830 | append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); |
831 | return 0; | |
832 | } | |
5010cb5f | 833 | |
a633fca0 | 834 | int cmd_grep(int argc, const char **argv, const char *prefix) |
5010cb5f | 835 | { |
5010cb5f | 836 | int hit = 0; |
0a93fb8a | 837 | int cached = 0, untracked = 0, opt_exclude = -1; |
5acd64ed | 838 | int seen_dashdash = 0; |
bbc09c22 | 839 | int external_grep_allowed__ignored; |
0af88c15 | 840 | const char *show_in_pager = NULL, *default_pager = "dummy"; |
5010cb5f | 841 | struct grep_opt opt; |
3cd47459 | 842 | struct object_array list = OBJECT_ARRAY_INIT; |
f34bbc15 | 843 | struct pathspec pathspec; |
b202e51b | 844 | struct string_list path_list = STRING_LIST_INIT_DUP; |
5acd64ed | 845 | int i; |
3e230fa1 | 846 | int dummy; |
ff38d1a9 | 847 | int use_index = 1; |
131f3c96 | 848 | int allow_revs; |
cca2c172 | 849 | |
3e230fa1 | 850 | struct option options[] = { |
d5d09d47 | 851 | OPT_BOOL(0, "cached", &cached, |
4b407bc5 | 852 | N_("search in index instead of in the work tree")), |
cbb08c2e | 853 | OPT_NEGBIT(0, "no-index", &use_index, |
f63cf8c9 | 854 | N_("find in contents not managed by git"), 1), |
d5d09d47 | 855 | OPT_BOOL(0, "untracked", &untracked, |
4b407bc5 | 856 | N_("search in both tracked and untracked files")), |
0a93fb8a | 857 | OPT_SET_INT(0, "exclude-standard", &opt_exclude, |
77fdb8a8 | 858 | N_("ignore files specified via '.gitignore'"), 1), |
0281e487 | 859 | OPT_BOOL(0, "recurse-submodules", &recurse_submodules, |
4fb1c6aa | 860 | N_("recursively search in each submodule")), |
3e230fa1 | 861 | OPT_GROUP(""), |
d5d09d47 | 862 | OPT_BOOL('v', "invert-match", &opt.invert, |
4b407bc5 | 863 | N_("show non-matching lines")), |
d5d09d47 | 864 | OPT_BOOL('i', "ignore-case", &opt.ignore_case, |
4b407bc5 | 865 | N_("case insensitive matching")), |
d5d09d47 | 866 | OPT_BOOL('w', "word-regexp", &opt.word_regexp, |
4b407bc5 | 867 | N_("match patterns only at word boundaries")), |
3e230fa1 | 868 | OPT_SET_INT('a', "text", &opt.binary, |
4b407bc5 | 869 | N_("process binary files as text"), GREP_BINARY_TEXT), |
3e230fa1 | 870 | OPT_SET_INT('I', NULL, &opt.binary, |
4b407bc5 | 871 | N_("don't match patterns in binary files"), |
3e230fa1 | 872 | GREP_BINARY_NOMATCH), |
335ec3bf JK |
873 | OPT_BOOL(0, "textconv", &opt.allow_textconv, |
874 | N_("process binary files with textconv filters")), | |
0a09e5ed RS |
875 | OPT_SET_INT('r', "recursive", &opt.max_depth, |
876 | N_("search in subdirectories (default)"), -1), | |
4b407bc5 NTND |
877 | { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"), |
878 | N_("descend at most <depth> levels"), PARSE_OPT_NONEG, | |
a91f453f | 879 | NULL, 1 }, |
3e230fa1 | 880 | OPT_GROUP(""), |
04bf052e | 881 | OPT_SET_INT('E', "extended-regexp", &opt.pattern_type_option, |
4b407bc5 | 882 | N_("use extended POSIX regular expressions"), |
84befcd0 | 883 | GREP_PATTERN_TYPE_ERE), |
04bf052e | 884 | OPT_SET_INT('G', "basic-regexp", &opt.pattern_type_option, |
4b407bc5 | 885 | N_("use basic POSIX regular expressions (default)"), |
84befcd0 | 886 | GREP_PATTERN_TYPE_BRE), |
04bf052e | 887 | OPT_SET_INT('F', "fixed-strings", &opt.pattern_type_option, |
4b407bc5 | 888 | N_("interpret patterns as fixed strings"), |
84befcd0 | 889 | GREP_PATTERN_TYPE_FIXED), |
04bf052e | 890 | OPT_SET_INT('P', "perl-regexp", &opt.pattern_type_option, |
4b407bc5 | 891 | N_("use Perl-compatible regular expressions"), |
84befcd0 | 892 | GREP_PATTERN_TYPE_PCRE), |
3e230fa1 | 893 | OPT_GROUP(""), |
d5d09d47 | 894 | OPT_BOOL('n', "line-number", &opt.linenum, N_("show line numbers")), |
a449f27f | 895 | OPT_BOOL(0, "column", &opt.columnnum, N_("show column number of first match")), |
4b407bc5 NTND |
896 | OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1), |
897 | OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1), | |
3e230fa1 | 898 | OPT_NEGBIT(0, "full-name", &opt.relative, |
4b407bc5 | 899 | N_("show filenames relative to top directory"), 1), |
d5d09d47 | 900 | OPT_BOOL('l', "files-with-matches", &opt.name_only, |
4b407bc5 | 901 | N_("show only filenames instead of matching lines")), |
d5d09d47 | 902 | OPT_BOOL(0, "name-only", &opt.name_only, |
4b407bc5 | 903 | N_("synonym for --files-with-matches")), |
d5d09d47 | 904 | OPT_BOOL('L', "files-without-match", |
3e230fa1 | 905 | &opt.unmatch_name_only, |
4b407bc5 | 906 | N_("show only the names of files without match")), |
caf2de33 NTND |
907 | OPT_BOOL_F('z', "null", &opt.null_following_name, |
908 | N_("print NUL after filenames"), | |
909 | PARSE_OPT_NOCOMPLETE), | |
9d8db06e TB |
910 | OPT_BOOL('o', "only-matching", &opt.only_matching, |
911 | N_("show only matching parts of a line")), | |
d5d09d47 | 912 | OPT_BOOL('c', "count", &opt.count, |
4b407bc5 NTND |
913 | N_("show the number of matches instead of matching lines")), |
914 | OPT__COLOR(&opt.color, N_("highlight matches")), | |
d5d09d47 | 915 | OPT_BOOL(0, "break", &opt.file_break, |
4b407bc5 | 916 | N_("print empty line between matches from different files")), |
d5d09d47 | 917 | OPT_BOOL(0, "heading", &opt.heading, |
4b407bc5 | 918 | N_("show filename only once above matches from same file")), |
3e230fa1 | 919 | OPT_GROUP(""), |
4b407bc5 NTND |
920 | OPT_CALLBACK('C', "context", &opt, N_("n"), |
921 | N_("show <n> context lines before and after matches"), | |
3e230fa1 | 922 | context_callback), |
317f63c2 | 923 | OPT_INTEGER('B', "before-context", &opt.pre_context, |
4b407bc5 | 924 | N_("show <n> context lines before matches")), |
317f63c2 | 925 | OPT_INTEGER('A', "after-context", &opt.post_context, |
4b407bc5 | 926 | N_("show <n> context lines after matches")), |
89f09dd3 VL |
927 | OPT_INTEGER(0, "threads", &num_threads, |
928 | N_("use <n> worker threads")), | |
4b407bc5 | 929 | OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"), |
3e230fa1 | 930 | context_callback), |
d5d09d47 | 931 | OPT_BOOL('p', "show-function", &opt.funcname, |
4b407bc5 | 932 | N_("show a line with the function name before matches")), |
d5d09d47 | 933 | OPT_BOOL('W', "function-context", &opt.funcbody, |
4b407bc5 | 934 | N_("show the surrounding function")), |
3e230fa1 | 935 | OPT_GROUP(""), |
4b407bc5 NTND |
936 | OPT_CALLBACK('f', NULL, &opt, N_("file"), |
937 | N_("read patterns from file"), file_callback), | |
203c8533 DL |
938 | OPT_CALLBACK_F('e', NULL, &opt, N_("pattern"), |
939 | N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback), | |
940 | OPT_CALLBACK_F(0, "and", &opt, NULL, | |
941 | N_("combine patterns specified with -e"), | |
942 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback), | |
d5d09d47 | 943 | OPT_BOOL(0, "or", &dummy, ""), |
203c8533 DL |
944 | OPT_CALLBACK_F(0, "not", &opt, NULL, "", |
945 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback), | |
946 | OPT_CALLBACK_F('(', NULL, &opt, NULL, "", | |
947 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
948 | open_callback), | |
949 | OPT_CALLBACK_F(')', NULL, &opt, NULL, "", | |
950 | PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, | |
951 | close_callback), | |
d52ee6e6 | 952 | OPT__QUIET(&opt.status_only, |
4b407bc5 | 953 | N_("indicate hit with exit status without output")), |
d5d09d47 | 954 | OPT_BOOL(0, "all-match", &opt.all_match, |
4b407bc5 | 955 | N_("show only matches from files that match all patterns")), |
3e230fa1 | 956 | OPT_GROUP(""), |
0af88c15 | 957 | { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, |
4b407bc5 | 958 | N_("pager"), N_("show matching files in the pager"), |
caf2de33 NTND |
959 | PARSE_OPT_OPTARG | PARSE_OPT_NOCOMPLETE, |
960 | NULL, (intptr_t)default_pager }, | |
961 | OPT_BOOL_F(0, "ext-grep", &external_grep_allowed__ignored, | |
962 | N_("allow calling of grep(1) (ignored by this build)"), | |
963 | PARSE_OPT_NOCOMPLETE), | |
3e230fa1 RS |
964 | OPT_END() |
965 | }; | |
9725c8dd | 966 | grep_prefix = prefix; |
5010cb5f | 967 | |
9725c8dd | 968 | grep_init(&opt, the_repository); |
72365bb4 | 969 | git_config(grep_cmd_config, &opt); |
7e8f59d5 | 970 | |
5010cb5f | 971 | /* |
5acd64ed JH |
972 | * If there is no -- then the paths must exist in the working |
973 | * tree. If there is no explicit pattern specified with -e or | |
974 | * -f, we take the first unrecognized non option to be the | |
975 | * pattern, but then what follows it must be zero or more | |
976 | * valid refs up to the -- (if exists), and then existing | |
977 | * paths. If there is an explicit pattern, then the first | |
82e5a82f | 978 | * unrecognized non option is the beginning of the refs list |
5acd64ed | 979 | * that continues up to the -- (if exists), and then paths. |
5010cb5f | 980 | */ |
37782920 | 981 | argc = parse_options(argc, argv, prefix, options, grep_usage, |
3e230fa1 | 982 | PARSE_OPT_KEEP_DASHDASH | |
44415499 | 983 | PARSE_OPT_STOP_AT_NON_OPTION); |
3e230fa1 | 984 | |
ecd9ba61 TG |
985 | if (use_index && !startup_info->have_repository) { |
986 | int fallback = 0; | |
987 | git_config_get_bool("grep.fallbacktonoindex", &fallback); | |
988 | if (fallback) | |
989 | use_index = 0; | |
990 | else | |
991 | /* die the same way as if we did it at the beginning */ | |
992 | setup_git_directory(); | |
993 | } | |
c56c48dd PB |
994 | /* Ignore --recurse-submodules if --no-index is given or implied */ |
995 | if (!use_index) | |
996 | recurse_submodules = 0; | |
59332d13 | 997 | |
1123c67c JK |
998 | /* |
999 | * skip a -- separator; we know it cannot be | |
1000 | * separating revisions from pathnames if | |
1001 | * we haven't even had any patterns yet | |
1002 | */ | |
1003 | if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) { | |
1004 | argv++; | |
1005 | argc--; | |
1006 | } | |
1007 | ||
3e230fa1 RS |
1008 | /* First unrecognized non-option token */ |
1009 | if (argc > 0 && !opt.pattern_list) { | |
1010 | append_grep_pattern(&opt, argv[0], "command line", 0, | |
1011 | GREP_PATTERN); | |
1012 | argv++; | |
1013 | argc--; | |
5010cb5f | 1014 | } |
5acd64ed | 1015 | |
0af88c15 JS |
1016 | if (show_in_pager == default_pager) |
1017 | show_in_pager = git_pager(1); | |
678e484b | 1018 | if (show_in_pager) { |
e7b082a4 | 1019 | opt.color = 0; |
0af88c15 JS |
1020 | opt.name_only = 1; |
1021 | opt.null_following_name = 1; | |
1022 | opt.output_priv = &path_list; | |
1023 | opt.output = append_path; | |
0c72cead | 1024 | string_list_append(&path_list, show_in_pager); |
678e484b JS |
1025 | } |
1026 | ||
f9b9faf6 | 1027 | if (!opt.pattern_list) |
1a07e59c | 1028 | die(_("no pattern given")); |
5b594f45 | 1029 | |
9d8db06e TB |
1030 | /* --only-matching has no effect with --invert. */ |
1031 | if (opt.invert) | |
1032 | opt.only_matching = 0; | |
1033 | ||
b5b81136 JK |
1034 | /* |
1035 | * We have to find "--" in a separate pass, because its presence | |
1036 | * influences how we will parse arguments that come before it. | |
1037 | */ | |
1038 | for (i = 0; i < argc; i++) { | |
1039 | if (!strcmp(argv[i], "--")) { | |
1040 | seen_dashdash = 1; | |
1041 | break; | |
1042 | } | |
1043 | } | |
1044 | ||
1045 | /* | |
1046 | * Resolve any rev arguments. If we have a dashdash, then everything up | |
1047 | * to it must resolve as a rev. If not, then we stop at the first | |
1048 | * non-rev and assume everything else is a path. | |
1049 | */ | |
131f3c96 | 1050 | allow_revs = use_index && !untracked; |
3e230fa1 | 1051 | for (i = 0; i < argc; i++) { |
5acd64ed | 1052 | const char *arg = argv[i]; |
1db11086 | 1053 | struct object_id oid; |
afa15f3c | 1054 | struct object_context oc; |
20d6421c JK |
1055 | struct object *object; |
1056 | ||
dca3b5f5 JT |
1057 | if (!strcmp(arg, "--")) { |
1058 | i++; | |
dca3b5f5 JT |
1059 | break; |
1060 | } | |
20d6421c | 1061 | |
131f3c96 | 1062 | if (!allow_revs) { |
d0ffc069 | 1063 | if (seen_dashdash) |
131f3c96 | 1064 | die(_("--no-index or --untracked cannot be used with revs")); |
d0ffc069 JK |
1065 | break; |
1066 | } | |
1067 | ||
3a7a698e NTND |
1068 | if (get_oid_with_context(the_repository, arg, |
1069 | GET_OID_RECORD_PATH, | |
e82caf38 | 1070 | &oid, &oc)) { |
b5b81136 JK |
1071 | if (seen_dashdash) |
1072 | die(_("unable to resolve revision: %s"), arg); | |
20d6421c | 1073 | break; |
b5b81136 | 1074 | } |
20d6421c | 1075 | |
c251c83d | 1076 | object = parse_object_or_die(&oid, arg); |
20d6421c JK |
1077 | if (!seen_dashdash) |
1078 | verify_non_filename(prefix, arg); | |
1079 | add_object_array_with_path(object, arg, &list, oc.mode, oc.path); | |
dc944b65 | 1080 | free(oc.path); |
1362671f | 1081 | } |
5acd64ed | 1082 | |
b5b81136 JK |
1083 | /* |
1084 | * Anything left over is presumed to be a path. But in the non-dashdash | |
1085 | * "do what I mean" case, we verify and complain when that isn't true. | |
1086 | */ | |
a0fe2b0d JK |
1087 | if (!seen_dashdash) { |
1088 | int j; | |
1089 | for (j = i; j < argc; j++) | |
131f3c96 | 1090 | verify_filename(prefix, argv[j], j == i && allow_revs); |
a0fe2b0d JK |
1091 | } |
1092 | ||
1093 | parse_pathspec(&pathspec, 0, | |
1094 | PATHSPEC_PREFER_CWD | | |
1095 | (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0), | |
1096 | prefix, argv + i); | |
1097 | pathspec.max_depth = opt.max_depth; | |
1098 | pathspec.recursive = 1; | |
eef3df5a | 1099 | pathspec.recurse_submodules = !!recurse_submodules; |
a0fe2b0d | 1100 | |
56ceb64e JH |
1101 | if (recurse_submodules && untracked) |
1102 | die(_("--untracked not supported with --recurse-submodules")); | |
c441ea4e | 1103 | |
1184a95e | 1104 | if (show_in_pager) { |
fd6263fb NTND |
1105 | if (num_threads > 1) |
1106 | warning(_("invalid option combination, ignoring --threads")); | |
1107 | num_threads = 1; | |
1108 | } else if (!HAVE_THREADS && num_threads > 1) { | |
d1edee4a | 1109 | warning(_("no threads support, ignoring --threads")); |
fd6263fb NTND |
1110 | num_threads = 1; |
1111 | } else if (num_threads < 0) | |
1112 | die(_("invalid number of threads specified (%d)"), num_threads); | |
1113 | else if (num_threads == 0) | |
f1928f04 | 1114 | num_threads = HAVE_THREADS ? online_cpus() : 1; |
53b8d931 | 1115 | |
fd6263fb NTND |
1116 | if (num_threads > 1) { |
1117 | if (!HAVE_THREADS) | |
1118 | BUG("Somebody got num_threads calculation wrong!"); | |
1119 | if (!(opt.name_only || opt.unmatch_name_only || opt.count) | |
1120 | && (opt.pre_context || opt.post_context || | |
1121 | opt.file_break || opt.funcbody)) | |
1122 | skip_first_line = 1; | |
c441ea4e MT |
1123 | |
1124 | /* | |
6c307626 MT |
1125 | * Pre-read gitmodules (if not read already) and force eager |
1126 | * initialization of packed_git to prevent racy lazy | |
1127 | * reading/initialization once worker threads are started. | |
c441ea4e MT |
1128 | */ |
1129 | if (recurse_submodules) | |
1130 | repo_read_gitmodules(the_repository, 1); | |
6c307626 MT |
1131 | if (startup_info->have_repository) |
1132 | (void)get_packed_git(the_repository); | |
c441ea4e | 1133 | |
fd6263fb | 1134 | start_threads(&opt); |
4002e87c | 1135 | } else { |
6d423dd5 ÆAB |
1136 | /* |
1137 | * The compiled patterns on the main path are only | |
1138 | * used when not using threading. Otherwise | |
fd6263fb | 1139 | * start_threads() above calls compile_grep_patterns() |
6d423dd5 ÆAB |
1140 | * for each thread. |
1141 | */ | |
1142 | compile_grep_patterns(&opt); | |
53b8d931 | 1143 | } |
53b8d931 | 1144 | |
678e484b | 1145 | if (show_in_pager && (cached || list.nr)) |
e4fe4ba5 | 1146 | die(_("--open-files-in-pager only works on the worktree")); |
678e484b JS |
1147 | |
1148 | if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) { | |
1149 | const char *pager = path_list.items[0].string; | |
1150 | int len = strlen(pager); | |
1151 | ||
1152 | if (len > 4 && is_dir_sep(pager[len - 5])) | |
1153 | pager += len - 4; | |
1154 | ||
f7febbea JS |
1155 | if (opt.ignore_case && !strcmp("less", pager)) |
1156 | string_list_append(&path_list, "-I"); | |
1157 | ||
678e484b JS |
1158 | if (!strcmp("less", pager) || !strcmp("vi", pager)) { |
1159 | struct strbuf buf = STRBUF_INIT; | |
1160 | strbuf_addf(&buf, "+/%s%s", | |
1161 | strcmp("less", pager) ? "" : "*", | |
1162 | opt.pattern_list->pattern); | |
b202e51b ÆAB |
1163 | string_list_append_nodup(&path_list, |
1164 | strbuf_detach(&buf, NULL)); | |
678e484b JS |
1165 | } |
1166 | } | |
1167 | ||
c2048f0b | 1168 | if (!show_in_pager && !opt.status_only) |
678e484b JS |
1169 | setup_pager(); |
1170 | ||
a699367b JNA |
1171 | die_for_incompatible_opt3(!use_index, "--no-index", |
1172 | untracked, "--untracked", | |
1173 | cached, "--cached"); | |
0c5d83b2 | 1174 | |
0a93fb8a | 1175 | if (!use_index || untracked) { |
0a93fb8a | 1176 | int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; |
85975c0c | 1177 | hit = grep_directory(&opt, &pathspec, use_exclude, use_index); |
dbfae86a | 1178 | } else if (0 <= opt_exclude) { |
1a07e59c | 1179 | die(_("--[no-]exclude-standard cannot be used for tracked contents")); |
685359cf | 1180 | } else if (!list.nr) { |
6577f542 NTND |
1181 | if (!cached) |
1182 | setup_work_tree(); | |
5b594f45 | 1183 | |
dba093dd | 1184 | hit = grep_cache(&opt, &pathspec, cached); |
685359cf JS |
1185 | } else { |
1186 | if (cached) | |
1a07e59c | 1187 | die(_("both --cached and trees are given")); |
f9ee2fcd | 1188 | |
6856077a | 1189 | hit = grep_objects(&opt, &pathspec, &list); |
5010cb5f | 1190 | } |
5b594f45 | 1191 | |
fd6263fb | 1192 | if (num_threads > 1) |
5b594f45 | 1193 | hit |= wait_all(); |
678e484b JS |
1194 | if (hit && show_in_pager) |
1195 | run_pager(&opt, prefix); | |
7861fa07 | 1196 | clear_pathspec(&pathspec); |
b202e51b | 1197 | string_list_clear(&path_list, 0); |
b48fb5b6 | 1198 | free_grep_patterns(&opt); |
96c10125 | 1199 | object_array_clear(&list); |
dd45471a | 1200 | free_repos(); |
5010cb5f JH |
1201 | return !hit; |
1202 | } |