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Commit | Line | Data |
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1b0c7174 JH |
1 | #include "cache.h" |
2 | #include "tree-walk.h" | |
e6c111b4 | 3 | #include "unpack-trees.h" |
bc96cc87 | 4 | #include "dir.h" |
8e440259 | 5 | #include "tree.h" |
1b0c7174 | 6 | |
4651ece8 LT |
7 | static const char *get_mode(const char *str, unsigned int *modep) |
8 | { | |
9 | unsigned char c; | |
10 | unsigned int mode = 0; | |
11 | ||
64cc1c09 MK |
12 | if (*str == ' ') |
13 | return NULL; | |
14 | ||
4651ece8 LT |
15 | while ((c = *str++) != ' ') { |
16 | if (c < '0' || c > '7') | |
17 | return NULL; | |
18 | mode = (mode << 3) + (c - '0'); | |
19 | } | |
20 | *modep = mode; | |
21 | return str; | |
22 | } | |
23 | ||
64cc1c09 | 24 | static void decode_tree_entry(struct tree_desc *desc, const char *buf, unsigned long size) |
4651ece8 LT |
25 | { |
26 | const char *path; | |
27 | unsigned int mode, len; | |
28 | ||
64cc1c09 MK |
29 | if (size < 24 || buf[size - 21]) |
30 | die("corrupt tree file"); | |
31 | ||
4651ece8 | 32 | path = get_mode(buf, &mode); |
64cc1c09 | 33 | if (!path || !*path) |
4651ece8 LT |
34 | die("corrupt tree file"); |
35 | len = strlen(path) + 1; | |
36 | ||
37 | /* Initialize the descriptor entry */ | |
38 | desc->entry.path = path; | |
39 | desc->entry.mode = mode; | |
40 | desc->entry.sha1 = (const unsigned char *)(path + len); | |
41 | } | |
42 | ||
6fda5e51 LT |
43 | void init_tree_desc(struct tree_desc *desc, const void *buffer, unsigned long size) |
44 | { | |
45 | desc->buffer = buffer; | |
46 | desc->size = size; | |
4651ece8 LT |
47 | if (size) |
48 | decode_tree_entry(desc, buffer, size); | |
6fda5e51 LT |
49 | } |
50 | ||
1b0c7174 JH |
51 | void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1) |
52 | { | |
53 | unsigned long size = 0; | |
54 | void *buf = NULL; | |
55 | ||
56 | if (sha1) { | |
8e440259 | 57 | buf = read_object_with_reference(sha1, tree_type, &size, NULL); |
1b0c7174 JH |
58 | if (!buf) |
59 | die("unable to read tree %s", sha1_to_hex(sha1)); | |
60 | } | |
6fda5e51 | 61 | init_tree_desc(desc, buf, size); |
1b0c7174 JH |
62 | return buf; |
63 | } | |
64 | ||
1b0c7174 JH |
65 | static void entry_clear(struct name_entry *a) |
66 | { | |
67 | memset(a, 0, sizeof(*a)); | |
68 | } | |
69 | ||
70 | static void entry_extract(struct tree_desc *t, struct name_entry *a) | |
71 | { | |
4651ece8 | 72 | *a = t->entry; |
1b0c7174 JH |
73 | } |
74 | ||
75 | void update_tree_entry(struct tree_desc *desc) | |
76 | { | |
6fda5e51 | 77 | const void *buf = desc->buffer; |
4651ece8 | 78 | const unsigned char *end = desc->entry.sha1 + 20; |
1b0c7174 | 79 | unsigned long size = desc->size; |
4651ece8 | 80 | unsigned long len = end - (const unsigned char *)buf; |
1b0c7174 JH |
81 | |
82 | if (size < len) | |
83 | die("corrupt tree file"); | |
4651ece8 LT |
84 | buf = end; |
85 | size -= len; | |
86 | desc->buffer = buf; | |
87 | desc->size = size; | |
88 | if (size) | |
89 | decode_tree_entry(desc, buf, size); | |
1b0c7174 JH |
90 | } |
91 | ||
4c068a98 LT |
92 | int tree_entry(struct tree_desc *desc, struct name_entry *entry) |
93 | { | |
4651ece8 | 94 | if (!desc->size) |
4c068a98 LT |
95 | return 0; |
96 | ||
4651ece8 LT |
97 | *entry = desc->entry; |
98 | update_tree_entry(desc); | |
4c068a98 LT |
99 | return 1; |
100 | } | |
101 | ||
40d934df LT |
102 | void setup_traverse_info(struct traverse_info *info, const char *base) |
103 | { | |
104 | int pathlen = strlen(base); | |
bcbe5a51 | 105 | static struct traverse_info dummy; |
40d934df LT |
106 | |
107 | memset(info, 0, sizeof(*info)); | |
108 | if (pathlen && base[pathlen-1] == '/') | |
109 | pathlen--; | |
110 | info->pathlen = pathlen ? pathlen + 1 : 0; | |
111 | info->name.path = base; | |
112 | info->name.sha1 = (void *)(base + pathlen + 1); | |
bcbe5a51 LT |
113 | if (pathlen) |
114 | info->prev = &dummy; | |
40d934df LT |
115 | } |
116 | ||
117 | char *make_traverse_path(char *path, const struct traverse_info *info, const struct name_entry *n) | |
118 | { | |
0de16337 | 119 | int len = tree_entry_len(n); |
40d934df LT |
120 | int pathlen = info->pathlen; |
121 | ||
122 | path[pathlen + len] = 0; | |
123 | for (;;) { | |
124 | memcpy(path + pathlen, n->path, len); | |
125 | if (!pathlen) | |
126 | break; | |
127 | path[--pathlen] = '/'; | |
128 | n = &info->name; | |
0de16337 | 129 | len = tree_entry_len(n); |
40d934df LT |
130 | info = info->prev; |
131 | pathlen -= len; | |
132 | } | |
133 | return path; | |
134 | } | |
135 | ||
1ee26571 JH |
136 | struct tree_desc_skip { |
137 | struct tree_desc_skip *prev; | |
138 | const void *ptr; | |
139 | }; | |
140 | ||
141 | struct tree_desc_x { | |
142 | struct tree_desc d; | |
143 | struct tree_desc_skip *skip; | |
144 | }; | |
145 | ||
146 | static int name_compare(const char *a, int a_len, | |
147 | const char *b, int b_len) | |
148 | { | |
149 | int len = (a_len < b_len) ? a_len : b_len; | |
150 | int cmp = memcmp(a, b, len); | |
151 | if (cmp) | |
152 | return cmp; | |
153 | return (a_len - b_len); | |
154 | } | |
155 | ||
156 | static int check_entry_match(const char *a, int a_len, const char *b, int b_len) | |
157 | { | |
158 | /* | |
159 | * The caller wants to pick *a* from a tree or nothing. | |
160 | * We are looking at *b* in a tree. | |
161 | * | |
162 | * (0) If a and b are the same name, we are trivially happy. | |
163 | * | |
164 | * There are three possibilities where *a* could be hiding | |
165 | * behind *b*. | |
166 | * | |
167 | * (1) *a* == "t", *b* == "ab" i.e. *b* sorts earlier than *a* no | |
168 | * matter what. | |
169 | * (2) *a* == "t", *b* == "t-2" and "t" is a subtree in the tree; | |
170 | * (3) *a* == "t-2", *b* == "t" and "t-2" is a blob in the tree. | |
171 | * | |
172 | * Otherwise we know *a* won't appear in the tree without | |
173 | * scanning further. | |
174 | */ | |
175 | ||
176 | int cmp = name_compare(a, a_len, b, b_len); | |
177 | ||
178 | /* Most common case first -- reading sync'd trees */ | |
179 | if (!cmp) | |
180 | return cmp; | |
181 | ||
182 | if (0 < cmp) { | |
183 | /* a comes after b; it does not matter if it is case (3) | |
184 | if (b_len < a_len && !memcmp(a, b, b_len) && a[b_len] < '/') | |
185 | return 1; | |
186 | */ | |
187 | return 1; /* keep looking */ | |
188 | } | |
189 | ||
190 | /* b comes after a; are we looking at case (2)? */ | |
191 | if (a_len < b_len && !memcmp(a, b, a_len) && b[a_len] < '/') | |
192 | return 1; /* keep looking */ | |
193 | ||
194 | return -1; /* a cannot appear in the tree */ | |
195 | } | |
196 | ||
197 | /* | |
198 | * From the extended tree_desc, extract the first name entry, while | |
199 | * paying attention to the candidate "first" name. Most importantly, | |
200 | * when looking for an entry, if there are entries that sorts earlier | |
201 | * in the tree object representation than that name, skip them and | |
202 | * process the named entry first. We will remember that we haven't | |
203 | * processed the first entry yet, and in the later call skip the | |
204 | * entry we processed early when update_extended_entry() is called. | |
205 | * | |
206 | * E.g. if the underlying tree object has these entries: | |
207 | * | |
208 | * blob "t-1" | |
209 | * blob "t-2" | |
210 | * tree "t" | |
211 | * blob "t=1" | |
212 | * | |
213 | * and the "first" asks for "t", remember that we still need to | |
214 | * process "t-1" and "t-2" but extract "t". After processing the | |
215 | * entry "t" from this call, the caller will let us know by calling | |
216 | * update_extended_entry() that we can remember "t" has been processed | |
217 | * already. | |
218 | */ | |
219 | ||
220 | static void extended_entry_extract(struct tree_desc_x *t, | |
221 | struct name_entry *a, | |
222 | const char *first, | |
223 | int first_len) | |
224 | { | |
225 | const char *path; | |
226 | int len; | |
227 | struct tree_desc probe; | |
228 | struct tree_desc_skip *skip; | |
229 | ||
230 | /* | |
231 | * Extract the first entry from the tree_desc, but skip the | |
232 | * ones that we already returned in earlier rounds. | |
233 | */ | |
234 | while (1) { | |
235 | if (!t->d.size) { | |
236 | entry_clear(a); | |
237 | break; /* not found */ | |
238 | } | |
239 | entry_extract(&t->d, a); | |
240 | for (skip = t->skip; skip; skip = skip->prev) | |
241 | if (a->path == skip->ptr) | |
242 | break; /* found */ | |
243 | if (!skip) | |
244 | break; | |
245 | /* We have processed this entry already. */ | |
246 | update_tree_entry(&t->d); | |
247 | } | |
248 | ||
249 | if (!first || !a->path) | |
250 | return; | |
251 | ||
252 | /* | |
253 | * The caller wants "first" from this tree, or nothing. | |
254 | */ | |
255 | path = a->path; | |
0de16337 | 256 | len = tree_entry_len(a); |
1ee26571 JH |
257 | switch (check_entry_match(first, first_len, path, len)) { |
258 | case -1: | |
259 | entry_clear(a); | |
260 | case 0: | |
261 | return; | |
262 | default: | |
263 | break; | |
264 | } | |
265 | ||
266 | /* | |
267 | * We need to look-ahead -- we suspect that a subtree whose | |
268 | * name is "first" may be hiding behind the current entry "path". | |
269 | */ | |
270 | probe = t->d; | |
271 | while (probe.size) { | |
272 | entry_extract(&probe, a); | |
273 | path = a->path; | |
0de16337 | 274 | len = tree_entry_len(a); |
1ee26571 JH |
275 | switch (check_entry_match(first, first_len, path, len)) { |
276 | case -1: | |
277 | entry_clear(a); | |
278 | case 0: | |
279 | return; | |
280 | default: | |
281 | update_tree_entry(&probe); | |
282 | break; | |
283 | } | |
284 | /* keep looking */ | |
285 | } | |
286 | entry_clear(a); | |
287 | } | |
288 | ||
289 | static void update_extended_entry(struct tree_desc_x *t, struct name_entry *a) | |
290 | { | |
291 | if (t->d.entry.path == a->path) { | |
292 | update_tree_entry(&t->d); | |
293 | } else { | |
294 | /* we have returned this entry early */ | |
295 | struct tree_desc_skip *skip = xmalloc(sizeof(*skip)); | |
296 | skip->ptr = a->path; | |
297 | skip->prev = t->skip; | |
298 | t->skip = skip; | |
299 | } | |
300 | } | |
301 | ||
302 | static void free_extended_entry(struct tree_desc_x *t) | |
303 | { | |
304 | struct tree_desc_skip *p, *s; | |
305 | ||
306 | for (s = t->skip; s; s = p) { | |
307 | p = s->prev; | |
308 | free(s); | |
309 | } | |
310 | } | |
311 | ||
2842c0f9 JH |
312 | static inline int prune_traversal(struct name_entry *e, |
313 | struct traverse_info *info, | |
314 | struct strbuf *base, | |
315 | int still_interesting) | |
316 | { | |
317 | if (!info->pathspec || still_interesting == 2) | |
318 | return 2; | |
319 | if (still_interesting < 0) | |
320 | return still_interesting; | |
321 | return tree_entry_interesting(e, base, 0, info->pathspec); | |
322 | } | |
323 | ||
5803c6f8 | 324 | int traverse_trees(int n, struct tree_desc *t, struct traverse_info *info) |
1b0c7174 | 325 | { |
5803c6f8 | 326 | int ret = 0; |
e6c111b4 | 327 | int error = 0; |
1b0c7174 | 328 | struct name_entry *entry = xmalloc(n*sizeof(*entry)); |
1ee26571 JH |
329 | int i; |
330 | struct tree_desc_x *tx = xcalloc(n, sizeof(*tx)); | |
2842c0f9 JH |
331 | struct strbuf base = STRBUF_INIT; |
332 | int interesting = 1; | |
1ee26571 JH |
333 | |
334 | for (i = 0; i < n; i++) | |
335 | tx[i].d = t[i]; | |
1b0c7174 | 336 | |
2842c0f9 JH |
337 | if (info->prev) { |
338 | strbuf_grow(&base, info->pathlen); | |
339 | make_traverse_path(base.buf, info->prev, &info->name); | |
340 | base.buf[info->pathlen-1] = '/'; | |
341 | strbuf_setlen(&base, info->pathlen); | |
342 | } | |
1b0c7174 | 343 | for (;;) { |
1ee26571 JH |
344 | unsigned long mask, dirmask; |
345 | const char *first = NULL; | |
346 | int first_len = 0; | |
27c0f768 | 347 | struct name_entry *e = NULL; |
1ee26571 JH |
348 | int len; |
349 | ||
350 | for (i = 0; i < n; i++) { | |
351 | e = entry + i; | |
352 | extended_entry_extract(tx + i, e, NULL, 0); | |
353 | } | |
1b0c7174 | 354 | |
1ee26571 JH |
355 | /* |
356 | * A tree may have "t-2" at the current location even | |
357 | * though it may have "t" that is a subtree behind it, | |
358 | * and another tree may return "t". We want to grab | |
359 | * all "t" from all trees to match in such a case. | |
360 | */ | |
1b0c7174 | 361 | for (i = 0; i < n; i++) { |
1ee26571 JH |
362 | e = entry + i; |
363 | if (!e->path) | |
1b0c7174 | 364 | continue; |
0de16337 | 365 | len = tree_entry_len(e); |
1ee26571 JH |
366 | if (!first) { |
367 | first = e->path; | |
368 | first_len = len; | |
369 | continue; | |
370 | } | |
371 | if (name_compare(e->path, len, first, first_len) < 0) { | |
372 | first = e->path; | |
373 | first_len = len; | |
374 | } | |
375 | } | |
376 | ||
377 | if (first) { | |
378 | for (i = 0; i < n; i++) { | |
379 | e = entry + i; | |
380 | extended_entry_extract(tx + i, e, first, first_len); | |
381 | /* Cull the ones that are not the earliest */ | |
382 | if (!e->path) | |
1b0c7174 | 383 | continue; |
0de16337 | 384 | len = tree_entry_len(e); |
1ee26571 JH |
385 | if (name_compare(e->path, len, first, first_len)) |
386 | entry_clear(e); | |
1b0c7174 | 387 | } |
1ee26571 JH |
388 | } |
389 | ||
390 | /* Now we have in entry[i] the earliest name from the trees */ | |
391 | mask = 0; | |
392 | dirmask = 0; | |
393 | for (i = 0; i < n; i++) { | |
394 | if (!entry[i].path) | |
395 | continue; | |
1b0c7174 | 396 | mask |= 1ul << i; |
91e4f036 LT |
397 | if (S_ISDIR(entry[i].mode)) |
398 | dirmask |= 1ul << i; | |
2842c0f9 | 399 | e = &entry[i]; |
1b0c7174 JH |
400 | } |
401 | if (!mask) | |
402 | break; | |
2842c0f9 JH |
403 | interesting = prune_traversal(e, info, &base, interesting); |
404 | if (interesting < 0) | |
405 | break; | |
406 | if (interesting) { | |
407 | ret = info->fn(n, mask, dirmask, entry, info); | |
408 | if (ret < 0) { | |
409 | error = ret; | |
410 | if (!info->show_all_errors) | |
411 | break; | |
412 | } | |
413 | mask &= ret; | |
e6c111b4 | 414 | } |
5803c6f8 | 415 | ret = 0; |
1ee26571 | 416 | for (i = 0; i < n; i++) |
5803c6f8 | 417 | if (mask & (1ul << i)) |
1ee26571 | 418 | update_extended_entry(tx + i, entry + i); |
1b0c7174 JH |
419 | } |
420 | free(entry); | |
1ee26571 JH |
421 | for (i = 0; i < n; i++) |
422 | free_extended_entry(tx + i); | |
423 | free(tx); | |
2842c0f9 | 424 | strbuf_release(&base); |
e6c111b4 | 425 | return error; |
1b0c7174 JH |
426 | } |
427 | ||
4dcff634 JH |
428 | static int find_tree_entry(struct tree_desc *t, const char *name, unsigned char *result, unsigned *mode) |
429 | { | |
430 | int namelen = strlen(name); | |
431 | while (t->size) { | |
432 | const char *entry; | |
433 | const unsigned char *sha1; | |
434 | int entrylen, cmp; | |
435 | ||
436 | sha1 = tree_entry_extract(t, &entry, mode); | |
0de16337 | 437 | entrylen = tree_entry_len(&t->entry); |
4dcff634 | 438 | update_tree_entry(t); |
4dcff634 JH |
439 | if (entrylen > namelen) |
440 | continue; | |
441 | cmp = memcmp(name, entry, entrylen); | |
442 | if (cmp > 0) | |
443 | continue; | |
444 | if (cmp < 0) | |
445 | break; | |
446 | if (entrylen == namelen) { | |
e702496e | 447 | hashcpy(result, sha1); |
4dcff634 JH |
448 | return 0; |
449 | } | |
450 | if (name[entrylen] != '/') | |
451 | continue; | |
452 | if (!S_ISDIR(*mode)) | |
453 | break; | |
454 | if (++entrylen == namelen) { | |
e702496e | 455 | hashcpy(result, sha1); |
4dcff634 JH |
456 | return 0; |
457 | } | |
458 | return get_tree_entry(sha1, name + entrylen, result, mode); | |
459 | } | |
460 | return -1; | |
461 | } | |
462 | ||
463 | int get_tree_entry(const unsigned char *tree_sha1, const char *name, unsigned char *sha1, unsigned *mode) | |
464 | { | |
465 | int retval; | |
466 | void *tree; | |
6fda5e51 | 467 | unsigned long size; |
d93b7d1c | 468 | unsigned char root[20]; |
4dcff634 | 469 | |
6fda5e51 | 470 | tree = read_object_with_reference(tree_sha1, tree_type, &size, root); |
4dcff634 JH |
471 | if (!tree) |
472 | return -1; | |
d93b7d1c JK |
473 | |
474 | if (name[0] == '\0') { | |
475 | hashcpy(sha1, root); | |
ef006503 | 476 | free(tree); |
d93b7d1c JK |
477 | return 0; |
478 | } | |
479 | ||
5fb8c05f JH |
480 | if (!size) { |
481 | retval = -1; | |
482 | } else { | |
483 | struct tree_desc t; | |
484 | init_tree_desc(&t, tree, size); | |
485 | retval = find_tree_entry(&t, name, sha1, mode); | |
486 | } | |
4dcff634 JH |
487 | free(tree); |
488 | return retval; | |
489 | } | |
2c389fc8 | 490 | |
58c4d666 NTND |
491 | static int match_entry(const struct name_entry *entry, int pathlen, |
492 | const char *match, int matchlen, | |
493 | int *never_interesting) | |
494 | { | |
495 | int m = -1; /* signals that we haven't called strncmp() */ | |
496 | ||
497 | if (*never_interesting) { | |
498 | /* | |
499 | * We have not seen any match that sorts later | |
500 | * than the current path. | |
501 | */ | |
502 | ||
503 | /* | |
504 | * Does match sort strictly earlier than path | |
505 | * with their common parts? | |
506 | */ | |
507 | m = strncmp(match, entry->path, | |
508 | (matchlen < pathlen) ? matchlen : pathlen); | |
509 | if (m < 0) | |
510 | return 0; | |
511 | ||
512 | /* | |
513 | * If we come here even once, that means there is at | |
514 | * least one pathspec that would sort equal to or | |
515 | * later than the path we are currently looking at. | |
516 | * In other words, if we have never reached this point | |
517 | * after iterating all pathspecs, it means all | |
518 | * pathspecs are either outside of base, or inside the | |
519 | * base but sorts strictly earlier than the current | |
520 | * one. In either case, they will never match the | |
521 | * subsequent entries. In such a case, we initialized | |
522 | * the variable to -1 and that is what will be | |
523 | * returned, allowing the caller to terminate early. | |
524 | */ | |
525 | *never_interesting = 0; | |
526 | } | |
527 | ||
528 | if (pathlen > matchlen) | |
529 | return 0; | |
530 | ||
531 | if (matchlen > pathlen) { | |
532 | if (match[pathlen] != '/') | |
533 | return 0; | |
534 | if (!S_ISDIR(entry->mode)) | |
535 | return 0; | |
536 | } | |
537 | ||
538 | if (m == -1) | |
539 | /* | |
540 | * we cheated and did not do strncmp(), so we do | |
541 | * that here. | |
542 | */ | |
543 | m = strncmp(match, entry->path, pathlen); | |
544 | ||
545 | /* | |
546 | * If common part matched earlier then it is a hit, | |
547 | * because we rejected the case where path is not a | |
548 | * leading directory and is shorter than match. | |
549 | */ | |
550 | if (!m) | |
551 | return 1; | |
552 | ||
553 | return 0; | |
554 | } | |
555 | ||
6de96915 | 556 | static int match_dir_prefix(const char *base, |
58c4d666 NTND |
557 | const char *match, int matchlen) |
558 | { | |
559 | if (strncmp(base, match, matchlen)) | |
560 | return 0; | |
561 | ||
562 | /* | |
563 | * If the base is a subdirectory of a path which | |
564 | * was specified, all of them are interesting. | |
565 | */ | |
566 | if (!matchlen || | |
567 | base[matchlen] == '/' || | |
568 | match[matchlen - 1] == '/') | |
569 | return 1; | |
570 | ||
571 | /* Just a random prefix match */ | |
572 | return 0; | |
573 | } | |
574 | ||
2c389fc8 NTND |
575 | /* |
576 | * Is a tree entry interesting given the pathspec we have? | |
577 | * | |
1376e507 NTND |
578 | * Pre-condition: either baselen == base_offset (i.e. empty path) |
579 | * or base[baselen-1] == '/' (i.e. with trailing slash). | |
2c389fc8 | 580 | */ |
d688cf07 NTND |
581 | enum interesting tree_entry_interesting(const struct name_entry *entry, |
582 | struct strbuf *base, int base_offset, | |
583 | const struct pathspec *ps) | |
2c389fc8 NTND |
584 | { |
585 | int i; | |
1376e507 | 586 | int pathlen, baselen = base->len - base_offset; |
d688cf07 NTND |
587 | int never_interesting = ps->has_wildcard ? |
588 | entry_not_interesting : all_entries_not_interesting; | |
2c389fc8 | 589 | |
bc96cc87 NTND |
590 | if (!ps->nr) { |
591 | if (!ps->recursive || ps->max_depth == -1) | |
d688cf07 NTND |
592 | return all_entries_interesting; |
593 | return within_depth(base->buf + base_offset, baselen, | |
594 | !!S_ISDIR(entry->mode), | |
595 | ps->max_depth) ? | |
596 | entry_interesting : entry_not_interesting; | |
bc96cc87 | 597 | } |
2c389fc8 | 598 | |
0de16337 | 599 | pathlen = tree_entry_len(entry); |
2c389fc8 | 600 | |
1376e507 | 601 | for (i = ps->nr - 1; i >= 0; i--) { |
2c389fc8 NTND |
602 | const struct pathspec_item *item = ps->items+i; |
603 | const char *match = item->match; | |
1376e507 | 604 | const char *base_str = base->buf + base_offset; |
2c389fc8 | 605 | int matchlen = item->len; |
2c389fc8 NTND |
606 | |
607 | if (baselen >= matchlen) { | |
608 | /* If it doesn't match, move along... */ | |
6de96915 | 609 | if (!match_dir_prefix(base_str, match, matchlen)) |
d38f2809 | 610 | goto match_wildcards; |
bc96cc87 NTND |
611 | |
612 | if (!ps->recursive || ps->max_depth == -1) | |
d688cf07 | 613 | return all_entries_interesting; |
bc96cc87 | 614 | |
d688cf07 NTND |
615 | return within_depth(base_str + matchlen + 1, |
616 | baselen - matchlen - 1, | |
617 | !!S_ISDIR(entry->mode), | |
618 | ps->max_depth) ? | |
619 | entry_interesting : entry_not_interesting; | |
2c389fc8 NTND |
620 | } |
621 | ||
1b740923 DM |
622 | /* Either there must be no base, or the base must match. */ |
623 | if (baselen == 0 || !strncmp(base_str, match, baselen)) { | |
58c4d666 NTND |
624 | if (match_entry(entry, pathlen, |
625 | match + baselen, matchlen - baselen, | |
626 | &never_interesting)) | |
d688cf07 | 627 | return entry_interesting; |
f1a2ddbb | 628 | |
9c6bebd1 | 629 | if (item->use_wildcard) { |
f1a2ddbb | 630 | if (!fnmatch(match + baselen, entry->path, 0)) |
d688cf07 | 631 | return entry_interesting; |
f1a2ddbb NTND |
632 | |
633 | /* | |
634 | * Match all directories. We'll try to | |
635 | * match files later on. | |
636 | */ | |
637 | if (ps->recursive && S_ISDIR(entry->mode)) | |
d688cf07 | 638 | return entry_interesting; |
f1a2ddbb NTND |
639 | } |
640 | ||
641 | continue; | |
2c389fc8 | 642 | } |
d38f2809 NTND |
643 | |
644 | match_wildcards: | |
9c6bebd1 | 645 | if (!item->use_wildcard) |
d38f2809 NTND |
646 | continue; |
647 | ||
648 | /* | |
649 | * Concatenate base and entry->path into one and do | |
650 | * fnmatch() on it. | |
651 | */ | |
652 | ||
653 | strbuf_add(base, entry->path, pathlen); | |
654 | ||
1376e507 NTND |
655 | if (!fnmatch(match, base->buf + base_offset, 0)) { |
656 | strbuf_setlen(base, base_offset + baselen); | |
d688cf07 | 657 | return entry_interesting; |
d38f2809 | 658 | } |
1376e507 | 659 | strbuf_setlen(base, base_offset + baselen); |
d38f2809 NTND |
660 | |
661 | /* | |
662 | * Match all directories. We'll try to match files | |
663 | * later on. | |
8c69c1f9 NTND |
664 | * max_depth is ignored but we may consider support it |
665 | * in future, see | |
666 | * http://thread.gmane.org/gmane.comp.version-control.git/163757/focus=163840 | |
d38f2809 NTND |
667 | */ |
668 | if (ps->recursive && S_ISDIR(entry->mode)) | |
d688cf07 | 669 | return entry_interesting; |
2c389fc8 NTND |
670 | } |
671 | return never_interesting; /* No matches */ | |
672 | } |