]>
Commit | Line | Data |
---|---|---|
6f525e71 | 1 | #include "cache.h" |
b2141fc1 | 2 | #include "config.h" |
6f525e71 AS |
3 | #include "dir.h" |
4 | #include "pathspec.h" | |
b0db7046 | 5 | #include "attr.h" |
dbbcd44f | 6 | #include "strvec.h" |
24e4750c | 7 | #include "quote.h" |
6f525e71 AS |
8 | |
9 | /* | |
10 | * Finds which of the given pathspecs match items in the index. | |
11 | * | |
12 | * For each pathspec, sets the corresponding entry in the seen[] array | |
13 | * (which should be specs items long, i.e. the same size as pathspec) | |
14 | * to the nature of the "closest" (i.e. most specific) match found for | |
15 | * that pathspec in the index, if it was a closer type of match than | |
16 | * the existing entry. As an optimization, matching is skipped | |
17 | * altogether if seen[] already only contains non-zero entries. | |
18 | * | |
19 | * If seen[] has not already been written to, it may make sense | |
4b78d7bc | 20 | * to use find_pathspecs_matching_against_index() instead. |
6f525e71 | 21 | */ |
84b8b5d1 | 22 | void add_pathspec_matches_against_index(const struct pathspec *pathspec, |
847a9e5d | 23 | struct index_state *istate, |
719630eb MT |
24 | char *seen, |
25 | enum ps_skip_worktree_action sw_action) | |
6f525e71 AS |
26 | { |
27 | int num_unmatched = 0, i; | |
28 | ||
29 | /* | |
30 | * Since we are walking the index as if we were walking the directory, | |
31 | * we have to mark the matched pathspec as seen; otherwise we will | |
32 | * mistakenly think that the user gave a pathspec that did not match | |
33 | * anything. | |
34 | */ | |
84b8b5d1 | 35 | for (i = 0; i < pathspec->nr; i++) |
6f525e71 AS |
36 | if (!seen[i]) |
37 | num_unmatched++; | |
38 | if (!num_unmatched) | |
39 | return; | |
465a04ab DS |
40 | /* TODO: audit for interaction with sparse-index. */ |
41 | ensure_full_index(istate); | |
08de9151 BW |
42 | for (i = 0; i < istate->cache_nr; i++) { |
43 | const struct cache_entry *ce = istate->cache[i]; | |
719630eb MT |
44 | if (sw_action == PS_IGNORE_SKIP_WORKTREE && ce_skip_worktree(ce)) |
45 | continue; | |
d17ef3a9 | 46 | ce_path_match(istate, ce, pathspec, seen); |
6f525e71 AS |
47 | } |
48 | } | |
49 | ||
50 | /* | |
51 | * Finds which of the given pathspecs match items in the index. | |
52 | * | |
4b78d7bc AS |
53 | * This is a one-shot wrapper around add_pathspec_matches_against_index() |
54 | * which allocates, populates, and returns a seen[] array indicating the | |
55 | * nature of the "closest" (i.e. most specific) matches which each of the | |
56 | * given pathspecs achieves against all items in the index. | |
6f525e71 | 57 | */ |
08de9151 | 58 | char *find_pathspecs_matching_against_index(const struct pathspec *pathspec, |
fe069dce | 59 | struct index_state *istate, |
719630eb | 60 | enum ps_skip_worktree_action sw_action) |
6f525e71 | 61 | { |
84b8b5d1 | 62 | char *seen = xcalloc(pathspec->nr, 1); |
719630eb | 63 | add_pathspec_matches_against_index(pathspec, istate, seen, sw_action); |
6f525e71 AS |
64 | return seen; |
65 | } | |
9d67b61f | 66 | |
a20f7047 MT |
67 | char *find_pathspecs_matching_skip_worktree(const struct pathspec *pathspec) |
68 | { | |
69 | struct index_state *istate = the_repository->index; | |
70 | char *seen = xcalloc(pathspec->nr, 1); | |
71 | int i; | |
72 | ||
73 | for (i = 0; i < istate->cache_nr; i++) { | |
74 | struct cache_entry *ce = istate->cache[i]; | |
75 | if (ce_skip_worktree(ce)) | |
76 | ce_path_match(istate, ce, pathspec, seen); | |
77 | } | |
78 | ||
6f525e71 AS |
79 | return seen; |
80 | } | |
9d67b61f AS |
81 | |
82 | /* | |
64acde94 NTND |
83 | * Magic pathspec |
84 | * | |
64acde94 NTND |
85 | * Possible future magic semantics include stuff like: |
86 | * | |
64acde94 NTND |
87 | * { PATHSPEC_RECURSIVE, '*', "recursive" }, |
88 | * { PATHSPEC_REGEXP, '\0', "regexp" }, | |
89 | * | |
90 | */ | |
64acde94 NTND |
91 | |
92 | static struct pathspec_magic { | |
93 | unsigned bit; | |
94 | char mnemonic; /* this cannot be ':'! */ | |
95 | const char *name; | |
96 | } pathspec_magic[] = { | |
4f1bf4d2 BW |
97 | { PATHSPEC_FROMTOP, '/', "top" }, |
98 | { PATHSPEC_LITERAL, '\0', "literal" }, | |
99 | { PATHSPEC_GLOB, '\0', "glob" }, | |
100 | { PATHSPEC_ICASE, '\0', "icase" }, | |
101 | { PATHSPEC_EXCLUDE, '!', "exclude" }, | |
b0db7046 | 102 | { PATHSPEC_ATTR, '\0', "attr" }, |
64acde94 NTND |
103 | }; |
104 | ||
5d8f084a | 105 | static void prefix_magic(struct strbuf *sb, int prefixlen, unsigned magic) |
1649612a NTND |
106 | { |
107 | int i; | |
108 | strbuf_addstr(sb, ":("); | |
109 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) | |
5d8f084a | 110 | if (magic & pathspec_magic[i].bit) { |
1649612a NTND |
111 | if (sb->buf[sb->len - 1] != '(') |
112 | strbuf_addch(sb, ','); | |
113 | strbuf_addstr(sb, pathspec_magic[i].name); | |
114 | } | |
115 | strbuf_addf(sb, ",prefix:%d)", prefixlen); | |
116 | } | |
117 | ||
c5af19f9 BW |
118 | static size_t strcspn_escaped(const char *s, const char *stop) |
119 | { | |
120 | const char *i; | |
121 | ||
122 | for (i = s; *i; i++) { | |
123 | /* skip the escaped character */ | |
124 | if (i[0] == '\\' && i[1]) { | |
125 | i++; | |
126 | continue; | |
127 | } | |
128 | ||
129 | if (strchr(stop, *i)) | |
130 | break; | |
131 | } | |
132 | return i - s; | |
133 | } | |
134 | ||
135 | static inline int invalid_value_char(const char ch) | |
136 | { | |
137 | if (isalnum(ch) || strchr(",-_", ch)) | |
138 | return 0; | |
139 | return -1; | |
140 | } | |
141 | ||
142 | static char *attr_value_unescape(const char *value) | |
143 | { | |
144 | const char *src; | |
145 | char *dst, *ret; | |
146 | ||
147 | ret = xmallocz(strlen(value)); | |
148 | for (src = value, dst = ret; *src; src++, dst++) { | |
149 | if (*src == '\\') { | |
150 | if (!src[1]) | |
151 | die(_("Escape character '\\' not allowed as " | |
152 | "last character in attr value")); | |
153 | src++; | |
154 | } | |
155 | if (invalid_value_char(*src)) | |
156 | die("cannot use '%c' for value matching", *src); | |
157 | *dst = *src; | |
158 | } | |
159 | *dst = '\0'; | |
160 | return ret; | |
161 | } | |
162 | ||
b0db7046 BW |
163 | static void parse_pathspec_attr_match(struct pathspec_item *item, const char *value) |
164 | { | |
165 | struct string_list_item *si; | |
166 | struct string_list list = STRING_LIST_INIT_DUP; | |
167 | ||
168 | if (item->attr_check || item->attr_match) | |
169 | die(_("Only one 'attr:' specification is allowed.")); | |
170 | ||
171 | if (!value || !*value) | |
172 | die(_("attr spec must not be empty")); | |
173 | ||
174 | string_list_split(&list, value, ' ', -1); | |
175 | string_list_remove_empty_items(&list, 0); | |
176 | ||
177 | item->attr_check = attr_check_alloc(); | |
ca56dadb | 178 | CALLOC_ARRAY(item->attr_match, list.nr); |
b0db7046 BW |
179 | |
180 | for_each_string_list_item(si, &list) { | |
181 | size_t attr_len; | |
182 | char *attr_name; | |
183 | const struct git_attr *a; | |
184 | ||
185 | int j = item->attr_match_nr++; | |
186 | const char *attr = si->string; | |
187 | struct attr_match *am = &item->attr_match[j]; | |
188 | ||
189 | switch (*attr) { | |
190 | case '!': | |
191 | am->match_mode = MATCH_UNSPECIFIED; | |
192 | attr++; | |
193 | attr_len = strlen(attr); | |
194 | break; | |
195 | case '-': | |
196 | am->match_mode = MATCH_UNSET; | |
197 | attr++; | |
198 | attr_len = strlen(attr); | |
199 | break; | |
200 | default: | |
201 | attr_len = strcspn(attr, "="); | |
202 | if (attr[attr_len] != '=') | |
203 | am->match_mode = MATCH_SET; | |
204 | else { | |
c5af19f9 | 205 | const char *v = &attr[attr_len + 1]; |
b0db7046 | 206 | am->match_mode = MATCH_VALUE; |
c5af19f9 | 207 | am->value = attr_value_unescape(v); |
b0db7046 BW |
208 | } |
209 | break; | |
210 | } | |
211 | ||
212 | attr_name = xmemdupz(attr, attr_len); | |
213 | a = git_attr(attr_name); | |
214 | if (!a) | |
215 | die(_("invalid attribute name %s"), attr_name); | |
216 | ||
217 | attr_check_append(item->attr_check, a); | |
218 | ||
219 | free(attr_name); | |
220 | } | |
221 | ||
222 | if (item->attr_check->nr != item->attr_match_nr) | |
033abf97 | 223 | BUG("should have same number of entries"); |
b0db7046 BW |
224 | |
225 | string_list_clear(&list, 0); | |
226 | } | |
227 | ||
db7e8598 BW |
228 | static inline int get_literal_global(void) |
229 | { | |
230 | static int literal = -1; | |
231 | ||
232 | if (literal < 0) | |
233 | literal = git_env_bool(GIT_LITERAL_PATHSPECS_ENVIRONMENT, 0); | |
234 | ||
235 | return literal; | |
236 | } | |
237 | ||
238 | static inline int get_glob_global(void) | |
239 | { | |
240 | static int glob = -1; | |
241 | ||
242 | if (glob < 0) | |
243 | glob = git_env_bool(GIT_GLOB_PATHSPECS_ENVIRONMENT, 0); | |
244 | ||
245 | return glob; | |
246 | } | |
247 | ||
248 | static inline int get_noglob_global(void) | |
249 | { | |
250 | static int noglob = -1; | |
251 | ||
252 | if (noglob < 0) | |
253 | noglob = git_env_bool(GIT_NOGLOB_PATHSPECS_ENVIRONMENT, 0); | |
254 | ||
255 | return noglob; | |
256 | } | |
257 | ||
258 | static inline int get_icase_global(void) | |
259 | { | |
260 | static int icase = -1; | |
261 | ||
262 | if (icase < 0) | |
263 | icase = git_env_bool(GIT_ICASE_PATHSPECS_ENVIRONMENT, 0); | |
264 | ||
265 | return icase; | |
266 | } | |
267 | ||
268 | static int get_global_magic(int element_magic) | |
269 | { | |
270 | int global_magic = 0; | |
271 | ||
272 | if (get_literal_global()) | |
273 | global_magic |= PATHSPEC_LITERAL; | |
274 | ||
275 | /* --glob-pathspec is overridden by :(literal) */ | |
276 | if (get_glob_global() && !(element_magic & PATHSPEC_LITERAL)) | |
277 | global_magic |= PATHSPEC_GLOB; | |
278 | ||
279 | if (get_glob_global() && get_noglob_global()) | |
280 | die(_("global 'glob' and 'noglob' pathspec settings are incompatible")); | |
281 | ||
282 | if (get_icase_global()) | |
283 | global_magic |= PATHSPEC_ICASE; | |
284 | ||
285 | if ((global_magic & PATHSPEC_LITERAL) && | |
286 | (global_magic & ~PATHSPEC_LITERAL)) | |
287 | die(_("global 'literal' pathspec setting is incompatible " | |
288 | "with all other global pathspec settings")); | |
289 | ||
290 | /* --noglob-pathspec adds :(literal) _unless_ :(glob) is specified */ | |
291 | if (get_noglob_global() && !(element_magic & PATHSPEC_GLOB)) | |
292 | global_magic |= PATHSPEC_LITERAL; | |
293 | ||
294 | return global_magic; | |
295 | } | |
296 | ||
8881fde0 BW |
297 | /* |
298 | * Parse the pathspec element looking for long magic | |
299 | * | |
300 | * saves all magic in 'magic' | |
301 | * if prefix magic is used, save the prefix length in 'prefix_len' | |
302 | * returns the position in 'elem' after all magic has been parsed | |
303 | */ | |
304 | static const char *parse_long_magic(unsigned *magic, int *prefix_len, | |
b0db7046 | 305 | struct pathspec_item *item, |
8881fde0 BW |
306 | const char *elem) |
307 | { | |
308 | const char *pos; | |
309 | const char *nextat; | |
310 | ||
311 | for (pos = elem + 2; *pos && *pos != ')'; pos = nextat) { | |
c5af19f9 | 312 | size_t len = strcspn_escaped(pos, ",)"); |
8881fde0 BW |
313 | int i; |
314 | ||
315 | if (pos[len] == ',') | |
316 | nextat = pos + len + 1; /* handle ',' */ | |
317 | else | |
318 | nextat = pos + len; /* handle ')' and '\0' */ | |
319 | ||
320 | if (!len) | |
321 | continue; | |
322 | ||
323 | if (starts_with(pos, "prefix:")) { | |
324 | char *endptr; | |
325 | *prefix_len = strtol(pos + 7, &endptr, 10); | |
326 | if (endptr - pos != len) | |
327 | die(_("invalid parameter for pathspec magic 'prefix'")); | |
328 | continue; | |
329 | } | |
330 | ||
b0db7046 BW |
331 | if (starts_with(pos, "attr:")) { |
332 | char *attr_body = xmemdupz(pos + 5, len - 5); | |
333 | parse_pathspec_attr_match(item, attr_body); | |
334 | *magic |= PATHSPEC_ATTR; | |
335 | free(attr_body); | |
336 | continue; | |
337 | } | |
338 | ||
8881fde0 BW |
339 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) { |
340 | if (strlen(pathspec_magic[i].name) == len && | |
341 | !strncmp(pathspec_magic[i].name, pos, len)) { | |
342 | *magic |= pathspec_magic[i].bit; | |
343 | break; | |
344 | } | |
345 | } | |
346 | ||
347 | if (ARRAY_SIZE(pathspec_magic) <= i) | |
348 | die(_("Invalid pathspec magic '%.*s' in '%s'"), | |
349 | (int) len, pos, elem); | |
350 | } | |
351 | ||
352 | if (*pos != ')') | |
353 | die(_("Missing ')' at the end of pathspec magic in '%s'"), | |
354 | elem); | |
355 | pos++; | |
356 | ||
357 | return pos; | |
358 | } | |
359 | ||
b4bebdce BW |
360 | /* |
361 | * Parse the pathspec element looking for short magic | |
362 | * | |
363 | * saves all magic in 'magic' | |
364 | * returns the position in 'elem' after all magic has been parsed | |
365 | */ | |
366 | static const char *parse_short_magic(unsigned *magic, const char *elem) | |
367 | { | |
368 | const char *pos; | |
369 | ||
370 | for (pos = elem + 1; *pos && *pos != ':'; pos++) { | |
371 | char ch = *pos; | |
372 | int i; | |
373 | ||
42ebeb9d LT |
374 | /* Special case alias for '!' */ |
375 | if (ch == '^') { | |
376 | *magic |= PATHSPEC_EXCLUDE; | |
377 | continue; | |
378 | } | |
379 | ||
b4bebdce BW |
380 | if (!is_pathspec_magic(ch)) |
381 | break; | |
382 | ||
383 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) { | |
384 | if (pathspec_magic[i].mnemonic == ch) { | |
385 | *magic |= pathspec_magic[i].bit; | |
386 | break; | |
387 | } | |
388 | } | |
389 | ||
390 | if (ARRAY_SIZE(pathspec_magic) <= i) | |
391 | die(_("Unimplemented pathspec magic '%c' in '%s'"), | |
392 | ch, elem); | |
393 | } | |
394 | ||
395 | if (*pos == ':') | |
396 | pos++; | |
397 | ||
398 | return pos; | |
399 | } | |
400 | ||
1b6112c5 | 401 | static const char *parse_element_magic(unsigned *magic, int *prefix_len, |
b0db7046 | 402 | struct pathspec_item *item, |
1b6112c5 BW |
403 | const char *elem) |
404 | { | |
405 | if (elem[0] != ':' || get_literal_global()) | |
406 | return elem; /* nothing to do */ | |
407 | else if (elem[1] == '(') | |
408 | /* longhand */ | |
b0db7046 | 409 | return parse_long_magic(magic, prefix_len, item, elem); |
1b6112c5 BW |
410 | else |
411 | /* shorthand */ | |
412 | return parse_short_magic(magic, elem); | |
413 | } | |
414 | ||
64acde94 | 415 | /* |
27ec4282 | 416 | * Perform the initialization of a pathspec_item based on a pathspec element. |
9d67b61f | 417 | */ |
27ec4282 BW |
418 | static void init_pathspec_item(struct pathspec_item *item, unsigned flags, |
419 | const char *prefix, int prefixlen, | |
420 | const char *elt) | |
9d67b61f | 421 | { |
db7e8598 | 422 | unsigned magic = 0, element_magic = 0; |
5d8f084a | 423 | const char *copyfrom = elt; |
87323bda | 424 | char *match; |
5590215b | 425 | int pathspec_prefix = -1; |
64acde94 | 426 | |
b0db7046 BW |
427 | item->attr_check = NULL; |
428 | item->attr_match = NULL; | |
429 | item->attr_match_nr = 0; | |
430 | ||
db7e8598 | 431 | /* PATHSPEC_LITERAL_PATH ignores magic */ |
1b6112c5 | 432 | if (flags & PATHSPEC_LITERAL_PATH) { |
db7e8598 | 433 | magic = PATHSPEC_LITERAL; |
1b6112c5 BW |
434 | } else { |
435 | copyfrom = parse_element_magic(&element_magic, | |
436 | &pathspec_prefix, | |
b0db7046 | 437 | item, |
1b6112c5 BW |
438 | elt); |
439 | magic |= element_magic; | |
db7e8598 | 440 | magic |= get_global_magic(element_magic); |
1b6112c5 | 441 | } |
87323bda | 442 | |
27ec4282 BW |
443 | item->magic = magic; |
444 | ||
233c3e6c NTND |
445 | if (pathspec_prefix >= 0 && |
446 | (prefixlen || (prefix && *prefix))) | |
033abf97 | 447 | BUG("'prefix' magic is supposed to be used at worktree's root"); |
233c3e6c | 448 | |
bd30c2e4 NTND |
449 | if ((magic & PATHSPEC_LITERAL) && (magic & PATHSPEC_GLOB)) |
450 | die(_("%s: 'literal' and 'glob' are incompatible"), elt); | |
451 | ||
4f1bf4d2 | 452 | /* Create match string which will be used for pathspec matching */ |
233c3e6c NTND |
453 | if (pathspec_prefix >= 0) { |
454 | match = xstrdup(copyfrom); | |
455 | prefixlen = pathspec_prefix; | |
456 | } else if (magic & PATHSPEC_FROMTOP) { | |
87323bda | 457 | match = xstrdup(copyfrom); |
645a29c4 NTND |
458 | prefixlen = 0; |
459 | } else { | |
4f1bf4d2 BW |
460 | match = prefix_path_gently(prefix, prefixlen, |
461 | &prefixlen, copyfrom); | |
5c203986 ES |
462 | if (!match) { |
463 | const char *hint_path = get_git_work_tree(); | |
464 | if (!hint_path) | |
465 | hint_path = get_git_dir(); | |
e0020b2f | 466 | die(_("%s: '%s' is outside repository at '%s'"), elt, |
5c203986 ES |
467 | copyfrom, absolute_path(hint_path)); |
468 | } | |
645a29c4 | 469 | } |
4f1bf4d2 | 470 | |
34305f77 | 471 | item->match = match; |
4f1bf4d2 BW |
472 | item->len = strlen(item->match); |
473 | item->prefix = prefixlen; | |
474 | ||
dad2586a NTND |
475 | /* |
476 | * Prefix the pathspec (keep all magic) and assign to | |
477 | * original. Useful for passing to another command. | |
478 | */ | |
5d8f084a | 479 | if ((flags & PATHSPEC_PREFIX_ORIGIN) && |
be4dbbbe | 480 | !get_literal_global()) { |
dad2586a | 481 | struct strbuf sb = STRBUF_INIT; |
5d8f084a BW |
482 | |
483 | /* Preserve the actual prefix length of each pattern */ | |
484 | prefix_magic(&sb, prefixlen, element_magic); | |
485 | ||
dad2586a NTND |
486 | strbuf_addstr(&sb, match); |
487 | item->original = strbuf_detach(&sb, NULL); | |
8aee769f BW |
488 | } else { |
489 | item->original = xstrdup(elt); | |
490 | } | |
b69bb3fc | 491 | |
4f1bf4d2 | 492 | if (magic & PATHSPEC_LITERAL) { |
87323bda | 493 | item->nowildcard_len = item->len; |
4f1bf4d2 | 494 | } else { |
87323bda | 495 | item->nowildcard_len = simple_length(item->match); |
645a29c4 NTND |
496 | if (item->nowildcard_len < prefixlen) |
497 | item->nowildcard_len = prefixlen; | |
498 | } | |
4f1bf4d2 | 499 | |
87323bda | 500 | item->flags = 0; |
bd30c2e4 NTND |
501 | if (magic & PATHSPEC_GLOB) { |
502 | /* | |
503 | * FIXME: should we enable ONESTAR in _GLOB for | |
504 | * pattern "* * / * . c"? | |
505 | */ | |
506 | } else { | |
507 | if (item->nowildcard_len < item->len && | |
508 | item->match[item->nowildcard_len] == '*' && | |
509 | no_wildcard(item->match + item->nowildcard_len + 1)) | |
510 | item->flags |= PATHSPEC_ONESTAR; | |
9d67b61f | 511 | } |
645a29c4 NTND |
512 | |
513 | /* sanity checks, pathspec matchers assume these are sane */ | |
2d81c48f SB |
514 | if (item->nowildcard_len > item->len || |
515 | item->prefix > item->len) { | |
c3c3486b | 516 | BUG("error initializing pathspec_item"); |
2d81c48f | 517 | } |
87323bda NTND |
518 | } |
519 | ||
520 | static int pathspec_item_cmp(const void *a_, const void *b_) | |
521 | { | |
522 | struct pathspec_item *a, *b; | |
523 | ||
524 | a = (struct pathspec_item *)a_; | |
525 | b = (struct pathspec_item *)b_; | |
526 | return strcmp(a->match, b->match); | |
527 | } | |
528 | ||
529 | static void NORETURN unsupported_magic(const char *pattern, | |
2aee5849 | 530 | unsigned magic) |
87323bda NTND |
531 | { |
532 | struct strbuf sb = STRBUF_INIT; | |
93f3ddb2 BW |
533 | int i; |
534 | for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) { | |
87323bda NTND |
535 | const struct pathspec_magic *m = pathspec_magic + i; |
536 | if (!(magic & m->bit)) | |
537 | continue; | |
538 | if (sb.len) | |
2aee5849 BW |
539 | strbuf_addstr(&sb, ", "); |
540 | ||
541 | if (m->mnemonic) | |
542 | strbuf_addf(&sb, _("'%s' (mnemonic: '%c')"), | |
543 | m->name, m->mnemonic); | |
87323bda NTND |
544 | else |
545 | strbuf_addf(&sb, "'%s'", m->name); | |
87323bda NTND |
546 | } |
547 | /* | |
548 | * We may want to substitute "this command" with a command | |
549 | * name. E.g. when add--interactive dies when running | |
550 | * "checkout -p" | |
551 | */ | |
552 | die(_("%s: pathspec magic not supported by this command: %s"), | |
553 | pattern, sb.buf); | |
9d67b61f | 554 | } |
512aaf94 | 555 | |
87323bda NTND |
556 | void parse_pathspec(struct pathspec *pathspec, |
557 | unsigned magic_mask, unsigned flags, | |
558 | const char *prefix, const char **argv) | |
512aaf94 | 559 | { |
87323bda NTND |
560 | struct pathspec_item *item; |
561 | const char *entry = argv ? *argv : NULL; | |
9e4e8a64 | 562 | int i, n, prefixlen, nr_exclude = 0; |
87323bda NTND |
563 | |
564 | memset(pathspec, 0, sizeof(*pathspec)); | |
565 | ||
6330a171 NTND |
566 | if (flags & PATHSPEC_MAXDEPTH_VALID) |
567 | pathspec->magic |= PATHSPEC_MAXDEPTH; | |
568 | ||
87323bda NTND |
569 | /* No arguments, no prefix -> no pathspec */ |
570 | if (!entry && !prefix) | |
571 | return; | |
572 | ||
fc12261f NTND |
573 | if ((flags & PATHSPEC_PREFER_CWD) && |
574 | (flags & PATHSPEC_PREFER_FULL)) | |
033abf97 | 575 | BUG("PATHSPEC_PREFER_CWD and PATHSPEC_PREFER_FULL are incompatible"); |
fc12261f | 576 | |
87323bda NTND |
577 | /* No arguments with prefix -> prefix pathspec */ |
578 | if (!entry) { | |
fc12261f NTND |
579 | if (flags & PATHSPEC_PREFER_FULL) |
580 | return; | |
581 | ||
582 | if (!(flags & PATHSPEC_PREFER_CWD)) | |
033abf97 | 583 | BUG("PATHSPEC_PREFER_CWD requires arguments"); |
fc12261f | 584 | |
ca56dadb | 585 | pathspec->items = CALLOC_ARRAY(item, 1); |
8aee769f BW |
586 | item->match = xstrdup(prefix); |
587 | item->original = xstrdup(prefix); | |
87323bda | 588 | item->nowildcard_len = item->len = strlen(prefix); |
645a29c4 | 589 | item->prefix = item->len; |
87323bda | 590 | pathspec->nr = 1; |
87323bda | 591 | return; |
512aaf94 | 592 | } |
87323bda NTND |
593 | |
594 | n = 0; | |
d426430e | 595 | while (argv[n]) { |
9e4e8a64 EX |
596 | if (*argv[n] == '\0') |
597 | die("empty string is not a valid pathspec. " | |
598 | "please use . instead if you meant to match all paths"); | |
87323bda | 599 | n++; |
d426430e | 600 | } |
87323bda NTND |
601 | |
602 | pathspec->nr = n; | |
859b7f1d | 603 | ALLOC_ARRAY(pathspec->items, n + 1); |
b32fa95f | 604 | item = pathspec->items; |
87323bda NTND |
605 | prefixlen = prefix ? strlen(prefix) : 0; |
606 | ||
607 | for (i = 0; i < n; i++) { | |
87323bda NTND |
608 | entry = argv[i]; |
609 | ||
27ec4282 | 610 | init_pathspec_item(item + i, flags, prefix, prefixlen, entry); |
db7e8598 | 611 | |
ef79b1f8 NTND |
612 | if (item[i].magic & PATHSPEC_EXCLUDE) |
613 | nr_exclude++; | |
87323bda | 614 | if (item[i].magic & magic_mask) |
2aee5849 | 615 | unsupported_magic(entry, item[i].magic & magic_mask); |
87450244 NTND |
616 | |
617 | if ((flags & PATHSPEC_SYMLINK_LEADING_PATH) && | |
618 | has_symlink_leading_path(item[i].match, item[i].len)) { | |
619 | die(_("pathspec '%s' is beyond a symbolic link"), entry); | |
620 | } | |
621 | ||
87323bda NTND |
622 | if (item[i].nowildcard_len < item[i].len) |
623 | pathspec->has_wildcard = 1; | |
624 | pathspec->magic |= item[i].magic; | |
625 | } | |
626 | ||
859b7f1d LT |
627 | /* |
628 | * If everything is an exclude pattern, add one positive pattern | |
64127575 | 629 | * that matches everything. We allocated an extra one for this. |
859b7f1d LT |
630 | */ |
631 | if (nr_exclude == n) { | |
632 | int plen = (!(flags & PATHSPEC_PREFER_CWD)) ? 0 : prefixlen; | |
633 | init_pathspec_item(item + n, 0, prefix, plen, ""); | |
634 | pathspec->nr++; | |
635 | } | |
931eab64 NTND |
636 | |
637 | if (pathspec->magic & PATHSPEC_MAXDEPTH) { | |
638 | if (flags & PATHSPEC_KEEP_ORDER) | |
033abf97 | 639 | BUG("PATHSPEC_MAXDEPTH_VALID and PATHSPEC_KEEP_ORDER are incompatible"); |
9ed0d8d6 | 640 | QSORT(pathspec->items, pathspec->nr, pathspec_item_cmp); |
931eab64 | 641 | } |
64acde94 NTND |
642 | } |
643 | ||
24e4750c AM |
644 | void parse_pathspec_file(struct pathspec *pathspec, unsigned magic_mask, |
645 | unsigned flags, const char *prefix, | |
646 | const char *file, int nul_term_line) | |
647 | { | |
c972bf4c | 648 | struct strvec parsed_file = STRVEC_INIT; |
24e4750c AM |
649 | strbuf_getline_fn getline_fn = nul_term_line ? strbuf_getline_nul : |
650 | strbuf_getline; | |
651 | struct strbuf buf = STRBUF_INIT; | |
652 | struct strbuf unquoted = STRBUF_INIT; | |
653 | FILE *in; | |
654 | ||
655 | if (!strcmp(file, "-")) | |
656 | in = stdin; | |
657 | else | |
658 | in = xfopen(file, "r"); | |
659 | ||
660 | while (getline_fn(&buf, in) != EOF) { | |
661 | if (!nul_term_line && buf.buf[0] == '"') { | |
662 | strbuf_reset(&unquoted); | |
663 | if (unquote_c_style(&unquoted, buf.buf, NULL)) | |
664 | die(_("line is badly quoted: %s"), buf.buf); | |
665 | strbuf_swap(&buf, &unquoted); | |
666 | } | |
c972bf4c | 667 | strvec_push(&parsed_file, buf.buf); |
24e4750c AM |
668 | strbuf_reset(&buf); |
669 | } | |
670 | ||
671 | strbuf_release(&unquoted); | |
672 | strbuf_release(&buf); | |
673 | if (in != stdin) | |
674 | fclose(in); | |
675 | ||
d70a9eb6 | 676 | parse_pathspec(pathspec, magic_mask, flags, prefix, parsed_file.v); |
c972bf4c | 677 | strvec_clear(&parsed_file); |
24e4750c AM |
678 | } |
679 | ||
e4d92cdc NTND |
680 | void copy_pathspec(struct pathspec *dst, const struct pathspec *src) |
681 | { | |
b0db7046 | 682 | int i, j; |
8aee769f | 683 | |
e4d92cdc | 684 | *dst = *src; |
b32fa95f | 685 | ALLOC_ARRAY(dst->items, dst->nr); |
45ccef87 | 686 | COPY_ARRAY(dst->items, src->items, dst->nr); |
8aee769f BW |
687 | |
688 | for (i = 0; i < dst->nr; i++) { | |
b0db7046 BW |
689 | struct pathspec_item *d = &dst->items[i]; |
690 | struct pathspec_item *s = &src->items[i]; | |
691 | ||
692 | d->match = xstrdup(s->match); | |
693 | d->original = xstrdup(s->original); | |
694 | ||
695 | ALLOC_ARRAY(d->attr_match, d->attr_match_nr); | |
696 | COPY_ARRAY(d->attr_match, s->attr_match, d->attr_match_nr); | |
697 | for (j = 0; j < d->attr_match_nr; j++) { | |
698 | const char *value = s->attr_match[j].value; | |
699 | d->attr_match[j].value = xstrdup_or_null(value); | |
700 | } | |
701 | ||
702 | d->attr_check = attr_check_dup(s->attr_check); | |
8aee769f | 703 | } |
e4d92cdc | 704 | } |
9a087274 | 705 | |
ed6e8038 | 706 | void clear_pathspec(struct pathspec *pathspec) |
9a087274 | 707 | { |
b0db7046 | 708 | int i, j; |
8aee769f BW |
709 | |
710 | for (i = 0; i < pathspec->nr; i++) { | |
711 | free(pathspec->items[i].match); | |
712 | free(pathspec->items[i].original); | |
b0db7046 | 713 | |
5ce10c0a | 714 | for (j = 0; j < pathspec->items[i].attr_match_nr; j++) |
b0db7046 BW |
715 | free(pathspec->items[i].attr_match[j].value); |
716 | free(pathspec->items[i].attr_match); | |
717 | ||
718 | if (pathspec->items[i].attr_check) | |
719 | attr_check_free(pathspec->items[i].attr_check); | |
8aee769f | 720 | } |
b0db7046 | 721 | |
6a83d902 | 722 | FREE_AND_NULL(pathspec->items); |
8aee769f | 723 | pathspec->nr = 0; |
512aaf94 | 724 | } |
22af33be | 725 | |
847a9e5d | 726 | int match_pathspec_attrs(struct index_state *istate, |
22af33be NTND |
727 | const char *name, int namelen, |
728 | const struct pathspec_item *item) | |
729 | { | |
730 | int i; | |
731 | char *to_free = NULL; | |
732 | ||
733 | if (name[namelen]) | |
734 | name = to_free = xmemdupz(name, namelen); | |
735 | ||
736 | git_check_attr(istate, name, item->attr_check); | |
737 | ||
738 | free(to_free); | |
739 | ||
740 | for (i = 0; i < item->attr_match_nr; i++) { | |
741 | const char *value; | |
742 | int matched; | |
743 | enum attr_match_mode match_mode; | |
744 | ||
745 | value = item->attr_check->items[i].value; | |
746 | match_mode = item->attr_match[i].match_mode; | |
747 | ||
748 | if (ATTR_TRUE(value)) | |
749 | matched = (match_mode == MATCH_SET); | |
750 | else if (ATTR_FALSE(value)) | |
751 | matched = (match_mode == MATCH_UNSET); | |
752 | else if (ATTR_UNSET(value)) | |
753 | matched = (match_mode == MATCH_UNSPECIFIED); | |
754 | else | |
755 | matched = (match_mode == MATCH_VALUE && | |
756 | !strcmp(item->attr_match[i].value, value)); | |
757 | if (!matched) | |
758 | return 0; | |
759 | } | |
760 | ||
761 | return 1; | |
762 | } |