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Commit | Line | Data |
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10bea152 JS |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | * Copyright (C) Johannes Schindelin, 2005 | |
6 | * | |
7 | */ | |
17712991 | 8 | #include "cache.h" |
b2141fc1 | 9 | #include "config.h" |
3b256228 | 10 | #include "repository.h" |
697cc8ef | 11 | #include "lockfile.h" |
7f0e39fa | 12 | #include "exec_cmd.h" |
572e4f6a | 13 | #include "strbuf.h" |
2b64fc89 | 14 | #include "quote.h" |
3c8687a7 TA |
15 | #include "hashmap.h" |
16 | #include "string-list.h" | |
599446dc | 17 | #include "utf8.h" |
3efd0bed | 18 | #include "dir.h" |
136c8c8b | 19 | #include "color.h" |
17712991 | 20 | |
4d8dd149 HV |
21 | struct config_source { |
22 | struct config_source *prev; | |
23 | union { | |
24 | FILE *file; | |
1bc88819 HV |
25 | struct config_buf { |
26 | const char *buf; | |
27 | size_t len; | |
28 | size_t pos; | |
29 | } buf; | |
4d8dd149 | 30 | } u; |
1b8132d9 | 31 | enum config_origin_type origin_type; |
924aaf3e | 32 | const char *name; |
d14d4244 | 33 | const char *path; |
b2dc0945 | 34 | int die_on_error; |
924aaf3e RJ |
35 | int linenr; |
36 | int eof; | |
37 | struct strbuf value; | |
0971e992 | 38 | struct strbuf var; |
924aaf3e | 39 | |
49d6cfa5 JK |
40 | int (*do_fgetc)(struct config_source *c); |
41 | int (*do_ungetc)(int c, struct config_source *conf); | |
42 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
43 | }; |
44 | ||
0d44a2da JK |
45 | /* |
46 | * These variables record the "current" config source, which | |
47 | * can be accessed by parsing callbacks. | |
48 | * | |
49 | * The "cf" variable will be non-NULL only when we are actually parsing a real | |
50 | * config source (file, blob, cmdline, etc). | |
51 | * | |
52 | * The "current_config_kvi" variable will be non-NULL only when we are feeding | |
53 | * cached config from a configset into a callback. | |
54 | * | |
55 | * They should generally never be non-NULL at the same time. If they are both | |
56 | * NULL, then we aren't parsing anything (and depending on the function looking | |
57 | * at the variables, it's either a bug for it to be called in the first place, | |
58 | * or it's a function which can be reused for non-config purposes, and should | |
59 | * fall back to some sane behavior). | |
60 | */ | |
4d8dd149 | 61 | static struct config_source *cf; |
0d44a2da | 62 | static struct key_value_info *current_config_kvi; |
924aaf3e | 63 | |
9acc5911 JK |
64 | /* |
65 | * Similar to the variables above, this gives access to the "scope" of the | |
66 | * current value (repo, global, etc). For cached values, it can be found via | |
67 | * the current_config_kvi as above. During parsing, the current value can be | |
68 | * found in this variable. It's not part of "cf" because it transcends a single | |
69 | * file (i.e., a file included from .git/config is still in "repo" scope). | |
70 | */ | |
71 | static enum config_scope current_parsing_scope; | |
924aaf3e | 72 | |
8de7eeb5 JH |
73 | static int core_compression_seen; |
74 | static int pack_compression_seen; | |
960ccca6 DH |
75 | static int zlib_compression_seen; |
76 | ||
4d8dd149 HV |
77 | static int config_file_fgetc(struct config_source *conf) |
78 | { | |
260d408e | 79 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
80 | } |
81 | ||
82 | static int config_file_ungetc(int c, struct config_source *conf) | |
83 | { | |
84 | return ungetc(c, conf->u.file); | |
85 | } | |
86 | ||
87 | static long config_file_ftell(struct config_source *conf) | |
88 | { | |
89 | return ftell(conf->u.file); | |
90 | } | |
91 | ||
1bc88819 HV |
92 | |
93 | static int config_buf_fgetc(struct config_source *conf) | |
94 | { | |
95 | if (conf->u.buf.pos < conf->u.buf.len) | |
96 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
97 | ||
98 | return EOF; | |
99 | } | |
100 | ||
101 | static int config_buf_ungetc(int c, struct config_source *conf) | |
102 | { | |
1d0655c1 JK |
103 | if (conf->u.buf.pos > 0) { |
104 | conf->u.buf.pos--; | |
105 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
106 | die("BUG: config_buf can only ungetc the same character"); | |
107 | return c; | |
108 | } | |
1bc88819 HV |
109 | |
110 | return EOF; | |
111 | } | |
112 | ||
113 | static long config_buf_ftell(struct config_source *conf) | |
114 | { | |
115 | return conf->u.buf.pos; | |
116 | } | |
117 | ||
9b25a0b5 JK |
118 | #define MAX_INCLUDE_DEPTH 10 |
119 | static const char include_depth_advice[] = | |
120 | "exceeded maximum include depth (%d) while including\n" | |
121 | " %s\n" | |
122 | "from\n" | |
123 | " %s\n" | |
124 | "Do you have circular includes?"; | |
125 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
126 | { | |
127 | int ret = 0; | |
128 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 129 | char *expanded; |
4c0a89fc | 130 | |
67beb600 JK |
131 | if (!path) |
132 | return config_error_nonbool("include.path"); | |
133 | ||
4aad2f16 | 134 | expanded = expand_user_path(path, 0); |
4c0a89fc | 135 | if (!expanded) |
8c3ca351 | 136 | return error("could not expand include path '%s'", path); |
4c0a89fc | 137 | path = expanded; |
9b25a0b5 JK |
138 | |
139 | /* | |
140 | * Use an absolute path as-is, but interpret relative paths | |
141 | * based on the including config file. | |
142 | */ | |
143 | if (!is_absolute_path(path)) { | |
144 | char *slash; | |
145 | ||
d14d4244 | 146 | if (!cf || !cf->path) |
9b25a0b5 JK |
147 | return error("relative config includes must come from files"); |
148 | ||
d14d4244 | 149 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 150 | if (slash) |
d14d4244 | 151 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
152 | strbuf_addstr(&buf, path); |
153 | path = buf.buf; | |
154 | } | |
155 | ||
4698c8fe | 156 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
157 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
158 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
3258258f JK |
159 | !cf ? "<unknown>" : |
160 | cf->name ? cf->name : | |
161 | "the command line"); | |
9b25a0b5 JK |
162 | ret = git_config_from_file(git_config_include, path, inc); |
163 | inc->depth--; | |
164 | } | |
165 | strbuf_release(&buf); | |
4c0a89fc | 166 | free(expanded); |
9b25a0b5 JK |
167 | return ret; |
168 | } | |
169 | ||
3efd0bed NTND |
170 | static int prepare_include_condition_pattern(struct strbuf *pat) |
171 | { | |
172 | struct strbuf path = STRBUF_INIT; | |
173 | char *expanded; | |
174 | int prefix = 0; | |
175 | ||
86f95157 | 176 | expanded = expand_user_path(pat->buf, 1); |
3efd0bed NTND |
177 | if (expanded) { |
178 | strbuf_reset(pat); | |
179 | strbuf_addstr(pat, expanded); | |
180 | free(expanded); | |
181 | } | |
182 | ||
183 | if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) { | |
184 | const char *slash; | |
185 | ||
186 | if (!cf || !cf->path) | |
187 | return error(_("relative config include " | |
188 | "conditionals must come from files")); | |
189 | ||
86f95157 | 190 | strbuf_realpath(&path, cf->path, 1); |
3efd0bed NTND |
191 | slash = find_last_dir_sep(path.buf); |
192 | if (!slash) | |
193 | die("BUG: how is this possible?"); | |
194 | strbuf_splice(pat, 0, 1, path.buf, slash - path.buf); | |
195 | prefix = slash - path.buf + 1 /* slash */; | |
196 | } else if (!is_absolute_path(pat->buf)) | |
197 | strbuf_insert(pat, 0, "**/", 3); | |
198 | ||
199 | if (pat->len && is_dir_sep(pat->buf[pat->len - 1])) | |
200 | strbuf_addstr(pat, "**"); | |
201 | ||
202 | strbuf_release(&path); | |
203 | return prefix; | |
204 | } | |
205 | ||
2185fde5 NTND |
206 | static int include_by_gitdir(const struct config_options *opts, |
207 | const char *cond, size_t cond_len, int icase) | |
3efd0bed NTND |
208 | { |
209 | struct strbuf text = STRBUF_INIT; | |
210 | struct strbuf pattern = STRBUF_INIT; | |
211 | int ret = 0, prefix; | |
2185fde5 | 212 | const char *git_dir; |
0624c63c | 213 | int already_tried_absolute = 0; |
3efd0bed | 214 | |
2185fde5 NTND |
215 | if (opts->git_dir) |
216 | git_dir = opts->git_dir; | |
2185fde5 NTND |
217 | else |
218 | goto done; | |
219 | ||
c9672ba4 | 220 | strbuf_realpath(&text, git_dir, 1); |
3efd0bed NTND |
221 | strbuf_add(&pattern, cond, cond_len); |
222 | prefix = prepare_include_condition_pattern(&pattern); | |
223 | ||
0624c63c | 224 | again: |
3efd0bed NTND |
225 | if (prefix < 0) |
226 | goto done; | |
227 | ||
228 | if (prefix > 0) { | |
229 | /* | |
230 | * perform literal matching on the prefix part so that | |
231 | * any wildcard character in it can't create side effects. | |
232 | */ | |
233 | if (text.len < prefix) | |
234 | goto done; | |
235 | if (!icase && strncmp(pattern.buf, text.buf, prefix)) | |
236 | goto done; | |
237 | if (icase && strncasecmp(pattern.buf, text.buf, prefix)) | |
238 | goto done; | |
239 | } | |
240 | ||
241 | ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, | |
55d34269 | 242 | icase ? WM_CASEFOLD : 0); |
3efd0bed | 243 | |
0624c63c ÆAB |
244 | if (!ret && !already_tried_absolute) { |
245 | /* | |
246 | * We've tried e.g. matching gitdir:~/work, but if | |
247 | * ~/work is a symlink to /mnt/storage/work | |
248 | * strbuf_realpath() will expand it, so the rule won't | |
249 | * match. Let's match against a | |
250 | * strbuf_add_absolute_path() version of the path, | |
251 | * which'll do the right thing | |
252 | */ | |
253 | strbuf_reset(&text); | |
254 | strbuf_add_absolute_path(&text, git_dir); | |
255 | already_tried_absolute = 1; | |
256 | goto again; | |
257 | } | |
3efd0bed NTND |
258 | done: |
259 | strbuf_release(&pattern); | |
260 | strbuf_release(&text); | |
261 | return ret; | |
262 | } | |
263 | ||
2185fde5 NTND |
264 | static int include_condition_is_true(const struct config_options *opts, |
265 | const char *cond, size_t cond_len) | |
3efd0bed NTND |
266 | { |
267 | ||
268 | if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len)) | |
2185fde5 | 269 | return include_by_gitdir(opts, cond, cond_len, 0); |
3efd0bed | 270 | else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len)) |
2185fde5 | 271 | return include_by_gitdir(opts, cond, cond_len, 1); |
3efd0bed NTND |
272 | |
273 | /* unknown conditionals are always false */ | |
274 | return 0; | |
275 | } | |
276 | ||
9b25a0b5 JK |
277 | int git_config_include(const char *var, const char *value, void *data) |
278 | { | |
279 | struct config_include_data *inc = data; | |
3efd0bed NTND |
280 | const char *cond, *key; |
281 | int cond_len; | |
9b25a0b5 JK |
282 | int ret; |
283 | ||
284 | /* | |
285 | * Pass along all values, including "include" directives; this makes it | |
286 | * possible to query information on the includes themselves. | |
287 | */ | |
288 | ret = inc->fn(var, value, inc->data); | |
289 | if (ret < 0) | |
290 | return ret; | |
291 | ||
37007c3a | 292 | if (!strcmp(var, "include.path")) |
9b25a0b5 | 293 | ret = handle_path_include(value, inc); |
3efd0bed NTND |
294 | |
295 | if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) && | |
2185fde5 | 296 | (cond && include_condition_is_true(inc->opts, cond, cond_len)) && |
3efd0bed NTND |
297 | !strcmp(key, "path")) |
298 | ret = handle_path_include(value, inc); | |
299 | ||
9b25a0b5 JK |
300 | return ret; |
301 | } | |
302 | ||
2b64fc89 JK |
303 | void git_config_push_parameter(const char *text) |
304 | { | |
305 | struct strbuf env = STRBUF_INIT; | |
306 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 307 | if (old && *old) { |
2b64fc89 JK |
308 | strbuf_addstr(&env, old); |
309 | strbuf_addch(&env, ' '); | |
310 | } | |
311 | sq_quote_buf(&env, text); | |
312 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
313 | strbuf_release(&env); | |
314 | } | |
315 | ||
ee98df3f JH |
316 | static inline int iskeychar(int c) |
317 | { | |
318 | return isalnum(c) || c == '-'; | |
319 | } | |
320 | ||
321 | /* | |
322 | * Auxiliary function to sanity-check and split the key into the section | |
323 | * identifier and variable name. | |
324 | * | |
325 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
326 | * -2 if there is no section name in the key. | |
327 | * | |
328 | * store_key - pointer to char* which will hold a copy of the key with | |
329 | * lowercase section and variable name | |
330 | * baselen - pointer to int which will hold the length of the | |
331 | * section + subsection part, can be NULL | |
332 | */ | |
333 | static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet) | |
334 | { | |
335 | int i, dot, baselen; | |
336 | const char *last_dot = strrchr(key, '.'); | |
337 | ||
338 | /* | |
339 | * Since "key" actually contains the section name and the real | |
340 | * key name separated by a dot, we have to know where the dot is. | |
341 | */ | |
342 | ||
343 | if (last_dot == NULL || last_dot == key) { | |
344 | if (!quiet) | |
345 | error("key does not contain a section: %s", key); | |
346 | return -CONFIG_NO_SECTION_OR_NAME; | |
347 | } | |
348 | ||
349 | if (!last_dot[1]) { | |
350 | if (!quiet) | |
351 | error("key does not contain variable name: %s", key); | |
352 | return -CONFIG_NO_SECTION_OR_NAME; | |
353 | } | |
354 | ||
355 | baselen = last_dot - key; | |
356 | if (baselen_) | |
357 | *baselen_ = baselen; | |
358 | ||
359 | /* | |
360 | * Validate the key and while at it, lower case it for matching. | |
361 | */ | |
362 | if (store_key) | |
363 | *store_key = xmallocz(strlen(key)); | |
364 | ||
365 | dot = 0; | |
366 | for (i = 0; key[i]; i++) { | |
367 | unsigned char c = key[i]; | |
368 | if (c == '.') | |
369 | dot = 1; | |
370 | /* Leave the extended basename untouched.. */ | |
371 | if (!dot || i > baselen) { | |
372 | if (!iskeychar(c) || | |
373 | (i == baselen + 1 && !isalpha(c))) { | |
374 | if (!quiet) | |
375 | error("invalid key: %s", key); | |
376 | goto out_free_ret_1; | |
377 | } | |
378 | c = tolower(c); | |
379 | } else if (c == '\n') { | |
380 | if (!quiet) | |
381 | error("invalid key (newline): %s", key); | |
382 | goto out_free_ret_1; | |
383 | } | |
384 | if (store_key) | |
385 | (*store_key)[i] = c; | |
386 | } | |
387 | ||
388 | return 0; | |
389 | ||
390 | out_free_ret_1: | |
391 | if (store_key) { | |
6a83d902 | 392 | FREE_AND_NULL(*store_key); |
ee98df3f JH |
393 | } |
394 | return -CONFIG_INVALID_KEY; | |
395 | } | |
396 | ||
397 | int git_config_parse_key(const char *key, char **store_key, int *baselen) | |
398 | { | |
399 | return git_config_parse_key_1(key, store_key, baselen, 0); | |
400 | } | |
401 | ||
402 | int git_config_key_is_valid(const char *key) | |
403 | { | |
404 | return !git_config_parse_key_1(key, NULL, NULL, 1); | |
405 | } | |
406 | ||
2496844b JK |
407 | int git_config_parse_parameter(const char *text, |
408 | config_fn_t fn, void *data) | |
8b1fa778 | 409 | { |
a789ca70 | 410 | const char *value; |
1274a155 | 411 | char *canonical_name; |
572e4f6a | 412 | struct strbuf **pair; |
1274a155 | 413 | int ret; |
a789ca70 | 414 | |
f77bccae | 415 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
416 | if (!pair[0]) |
417 | return error("bogus config parameter: %s", text); | |
a789ca70 JH |
418 | |
419 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 420 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
421 | value = pair[1] ? pair[1]->buf : ""; |
422 | } else { | |
423 | value = NULL; | |
424 | } | |
425 | ||
572e4f6a AR |
426 | strbuf_trim(pair[0]); |
427 | if (!pair[0]->len) { | |
428 | strbuf_list_free(pair); | |
06eb708f | 429 | return error("bogus config parameter: %s", text); |
8b1fa778 | 430 | } |
1274a155 JH |
431 | |
432 | if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) { | |
433 | ret = -1; | |
434 | } else { | |
435 | ret = (fn(canonical_name, value, data) < 0) ? -1 : 0; | |
436 | free(canonical_name); | |
572e4f6a AR |
437 | } |
438 | strbuf_list_free(pair); | |
1274a155 | 439 | return ret; |
8b1fa778 AR |
440 | } |
441 | ||
06eb708f JK |
442 | int git_config_from_parameters(config_fn_t fn, void *data) |
443 | { | |
2b64fc89 | 444 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
a77d6db6 | 445 | int ret = 0; |
2b64fc89 JK |
446 | char *envw; |
447 | const char **argv = NULL; | |
448 | int nr = 0, alloc = 0; | |
449 | int i; | |
3258258f | 450 | struct config_source source; |
2b64fc89 JK |
451 | |
452 | if (!env) | |
453 | return 0; | |
3258258f JK |
454 | |
455 | memset(&source, 0, sizeof(source)); | |
456 | source.prev = cf; | |
1b8132d9 | 457 | source.origin_type = CONFIG_ORIGIN_CMDLINE; |
3258258f JK |
458 | cf = &source; |
459 | ||
2b64fc89 JK |
460 | /* sq_dequote will write over it */ |
461 | envw = xstrdup(env); | |
462 | ||
463 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
a77d6db6 JK |
464 | ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT); |
465 | goto out; | |
2b64fc89 JK |
466 | } |
467 | ||
468 | for (i = 0; i < nr; i++) { | |
06eb708f | 469 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
a77d6db6 JK |
470 | ret = -1; |
471 | goto out; | |
2b64fc89 JK |
472 | } |
473 | } | |
474 | ||
a77d6db6 | 475 | out: |
2b64fc89 JK |
476 | free(argv); |
477 | free(envw); | |
3258258f | 478 | cf = source.prev; |
a77d6db6 | 479 | return ret; |
2b64fc89 JK |
480 | } |
481 | ||
17712991 LT |
482 | static int get_next_char(void) |
483 | { | |
49d6cfa5 | 484 | int c = cf->do_fgetc(cf); |
17712991 | 485 | |
dbb9a812 HV |
486 | if (c == '\r') { |
487 | /* DOS like systems */ | |
49d6cfa5 | 488 | c = cf->do_fgetc(cf); |
dbb9a812 | 489 | if (c != '\n') { |
5e0be134 JK |
490 | if (c != EOF) |
491 | cf->do_ungetc(c, cf); | |
dbb9a812 | 492 | c = '\r'; |
17712991 LT |
493 | } |
494 | } | |
dbb9a812 HV |
495 | if (c == '\n') |
496 | cf->linenr++; | |
497 | if (c == EOF) { | |
498 | cf->eof = 1; | |
b3b3f60b | 499 | cf->linenr++; |
dbb9a812 HV |
500 | c = '\n'; |
501 | } | |
17712991 LT |
502 | return c; |
503 | } | |
504 | ||
505 | static char *parse_value(void) | |
506 | { | |
e96c19c5 | 507 | int quote = 0, comment = 0, space = 0; |
17712991 | 508 | |
924aaf3e | 509 | strbuf_reset(&cf->value); |
17712991 LT |
510 | for (;;) { |
511 | int c = get_next_char(); | |
17712991 | 512 | if (c == '\n') { |
4b340593 MS |
513 | if (quote) { |
514 | cf->linenr--; | |
17712991 | 515 | return NULL; |
4b340593 | 516 | } |
924aaf3e | 517 | return cf->value.buf; |
17712991 LT |
518 | } |
519 | if (comment) | |
520 | continue; | |
521 | if (isspace(c) && !quote) { | |
924aaf3e | 522 | if (cf->value.len) |
ebdaae37 | 523 | space++; |
17712991 LT |
524 | continue; |
525 | } | |
7ebdba61 JS |
526 | if (!quote) { |
527 | if (c == ';' || c == '#') { | |
528 | comment = 1; | |
529 | continue; | |
530 | } | |
531 | } | |
ebdaae37 | 532 | for (; space; space--) |
924aaf3e | 533 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
534 | if (c == '\\') { |
535 | c = get_next_char(); | |
536 | switch (c) { | |
537 | case '\n': | |
538 | continue; | |
539 | case 't': | |
540 | c = '\t'; | |
541 | break; | |
542 | case 'b': | |
543 | c = '\b'; | |
544 | break; | |
545 | case 'n': | |
546 | c = '\n'; | |
547 | break; | |
5cbb401d LT |
548 | /* Some characters escape as themselves */ |
549 | case '\\': case '"': | |
550 | break; | |
551 | /* Reject unknown escape sequences */ | |
552 | default: | |
553 | return NULL; | |
17712991 | 554 | } |
924aaf3e | 555 | strbuf_addch(&cf->value, c); |
17712991 LT |
556 | continue; |
557 | } | |
558 | if (c == '"') { | |
559 | quote = 1-quote; | |
560 | continue; | |
561 | } | |
924aaf3e | 562 | strbuf_addch(&cf->value, c); |
17712991 LT |
563 | } |
564 | } | |
565 | ||
0971e992 | 566 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
567 | { |
568 | int c; | |
569 | char *value; | |
b3b3f60b | 570 | int ret; |
17712991 LT |
571 | |
572 | /* Get the full name */ | |
573 | for (;;) { | |
574 | c = get_next_char(); | |
924aaf3e | 575 | if (cf->eof) |
17712991 | 576 | break; |
38c5afa8 | 577 | if (!iskeychar(c)) |
17712991 | 578 | break; |
0971e992 | 579 | strbuf_addch(name, tolower(c)); |
17712991 | 580 | } |
0971e992 | 581 | |
17712991 LT |
582 | while (c == ' ' || c == '\t') |
583 | c = get_next_char(); | |
584 | ||
585 | value = NULL; | |
586 | if (c != '\n') { | |
587 | if (c != '=') | |
588 | return -1; | |
589 | value = parse_value(); | |
590 | if (!value) | |
591 | return -1; | |
592 | } | |
b3b3f60b MM |
593 | /* |
594 | * We already consumed the \n, but we need linenr to point to | |
595 | * the line we just parsed during the call to fn to get | |
596 | * accurate line number in error messages. | |
597 | */ | |
598 | cf->linenr--; | |
599 | ret = fn(name->buf, value, data); | |
e2e14251 JS |
600 | if (ret >= 0) |
601 | cf->linenr++; | |
b3b3f60b | 602 | return ret; |
17712991 LT |
603 | } |
604 | ||
0971e992 | 605 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
606 | { |
607 | do { | |
608 | if (c == '\n') | |
4b340593 | 609 | goto error_incomplete_line; |
d14f7764 LT |
610 | c = get_next_char(); |
611 | } while (isspace(c)); | |
612 | ||
613 | /* We require the format to be '[base "extension"]' */ | |
614 | if (c != '"') | |
615 | return -1; | |
0971e992 | 616 | strbuf_addch(name, '.'); |
d14f7764 LT |
617 | |
618 | for (;;) { | |
619 | int c = get_next_char(); | |
620 | if (c == '\n') | |
4b340593 | 621 | goto error_incomplete_line; |
d14f7764 LT |
622 | if (c == '"') |
623 | break; | |
624 | if (c == '\\') { | |
625 | c = get_next_char(); | |
626 | if (c == '\n') | |
4b340593 | 627 | goto error_incomplete_line; |
d14f7764 | 628 | } |
0971e992 | 629 | strbuf_addch(name, c); |
d14f7764 LT |
630 | } |
631 | ||
632 | /* Final ']' */ | |
633 | if (get_next_char() != ']') | |
634 | return -1; | |
0971e992 | 635 | return 0; |
4b340593 MS |
636 | error_incomplete_line: |
637 | cf->linenr--; | |
638 | return -1; | |
d14f7764 LT |
639 | } |
640 | ||
0971e992 | 641 | static int get_base_var(struct strbuf *name) |
17712991 | 642 | { |
17712991 LT |
643 | for (;;) { |
644 | int c = get_next_char(); | |
924aaf3e | 645 | if (cf->eof) |
17712991 LT |
646 | return -1; |
647 | if (c == ']') | |
0971e992 | 648 | return 0; |
d14f7764 | 649 | if (isspace(c)) |
0971e992 | 650 | return get_extended_base_var(name, c); |
38c5afa8 | 651 | if (!iskeychar(c) && c != '.') |
17712991 | 652 | return -1; |
0971e992 | 653 | strbuf_addch(name, tolower(c)); |
17712991 LT |
654 | } |
655 | } | |
656 | ||
4d8dd149 | 657 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
658 | { |
659 | int comment = 0; | |
660 | int baselen = 0; | |
0971e992 | 661 | struct strbuf *var = &cf->var; |
1b8132d9 VA |
662 | int error_return = 0; |
663 | char *error_msg = NULL; | |
17712991 | 664 | |
de056402 | 665 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 666 | const char *bomptr = utf8_bom; |
de056402 | 667 | |
17712991 LT |
668 | for (;;) { |
669 | int c = get_next_char(); | |
de056402 PB |
670 | if (bomptr && *bomptr) { |
671 | /* We are at the file beginning; skip UTF8-encoded BOM | |
672 | * if present. Sane editors won't put this in on their | |
673 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 674 | if (c == (*bomptr & 0377)) { |
de056402 PB |
675 | bomptr++; |
676 | continue; | |
677 | } else { | |
678 | /* Do not tolerate partial BOM. */ | |
679 | if (bomptr != utf8_bom) | |
680 | break; | |
681 | /* No BOM at file beginning. Cool. */ | |
682 | bomptr = NULL; | |
683 | } | |
684 | } | |
17712991 | 685 | if (c == '\n') { |
924aaf3e | 686 | if (cf->eof) |
17712991 LT |
687 | return 0; |
688 | comment = 0; | |
689 | continue; | |
690 | } | |
691 | if (comment || isspace(c)) | |
692 | continue; | |
693 | if (c == '#' || c == ';') { | |
694 | comment = 1; | |
695 | continue; | |
696 | } | |
697 | if (c == '[') { | |
0971e992 BW |
698 | /* Reset prior to determining a new stem */ |
699 | strbuf_reset(var); | |
700 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 701 | break; |
0971e992 BW |
702 | strbuf_addch(var, '.'); |
703 | baselen = var->len; | |
17712991 LT |
704 | continue; |
705 | } | |
706 | if (!isalpha(c)) | |
707 | break; | |
0971e992 BW |
708 | /* |
709 | * Truncate the var name back to the section header | |
710 | * stem prior to grabbing the suffix part of the name | |
711 | * and the value. | |
712 | */ | |
713 | strbuf_setlen(var, baselen); | |
714 | strbuf_addch(var, tolower(c)); | |
715 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
716 | break; |
717 | } | |
1b8132d9 VA |
718 | |
719 | switch (cf->origin_type) { | |
720 | case CONFIG_ORIGIN_BLOB: | |
721 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
722 | cf->linenr, cf->name); | |
723 | break; | |
724 | case CONFIG_ORIGIN_FILE: | |
725 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
726 | cf->linenr, cf->name); | |
727 | break; | |
728 | case CONFIG_ORIGIN_STDIN: | |
729 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
730 | cf->linenr); | |
731 | break; | |
732 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
733 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
734 | cf->linenr, cf->name); | |
735 | break; | |
736 | case CONFIG_ORIGIN_CMDLINE: | |
737 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
738 | cf->linenr, cf->name); | |
739 | break; | |
740 | default: | |
741 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
742 | cf->linenr, cf->name); | |
743 | } | |
744 | ||
b2dc0945 | 745 | if (cf->die_on_error) |
1b8132d9 | 746 | die("%s", error_msg); |
b2dc0945 | 747 | else |
1b8132d9 VA |
748 | error_return = error("%s", error_msg); |
749 | ||
750 | free(error_msg); | |
751 | return error_return; | |
17712991 LT |
752 | } |
753 | ||
ebaa1bd4 | 754 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
755 | { |
756 | if (!*end) | |
757 | return 1; | |
c8deb5a1 SP |
758 | else if (!strcasecmp(end, "k")) { |
759 | *val *= 1024; | |
760 | return 1; | |
761 | } | |
762 | else if (!strcasecmp(end, "m")) { | |
763 | *val *= 1024 * 1024; | |
764 | return 1; | |
765 | } | |
766 | else if (!strcasecmp(end, "g")) { | |
767 | *val *= 1024 * 1024 * 1024; | |
768 | return 1; | |
769 | } | |
770 | return 0; | |
0b87b6e0 BD |
771 | } |
772 | ||
7192777d | 773 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
774 | { |
775 | if (value && *value) { | |
776 | char *end; | |
ebaa1bd4 NA |
777 | intmax_t val; |
778 | uintmax_t uval; | |
779 | uintmax_t factor = 1; | |
780 | ||
781 | errno = 0; | |
782 | val = strtoimax(value, &end, 0); | |
783 | if (errno == ERANGE) | |
784 | return 0; | |
33fdd77e JK |
785 | if (!parse_unit_factor(end, &factor)) { |
786 | errno = EINVAL; | |
c8deb5a1 | 787 | return 0; |
33fdd77e | 788 | } |
83915ba5 | 789 | uval = labs(val); |
ebaa1bd4 | 790 | uval *= factor; |
83915ba5 | 791 | if (uval > max || labs(val) > uval) { |
33fdd77e | 792 | errno = ERANGE; |
ebaa1bd4 | 793 | return 0; |
33fdd77e | 794 | } |
ebaa1bd4 NA |
795 | val *= factor; |
796 | *ret = val; | |
0b87b6e0 BD |
797 | return 1; |
798 | } | |
33fdd77e | 799 | errno = EINVAL; |
0b87b6e0 BD |
800 | return 0; |
801 | } | |
802 | ||
0b4dc661 | 803 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
804 | { |
805 | if (value && *value) { | |
806 | char *end; | |
ebaa1bd4 NA |
807 | uintmax_t val; |
808 | uintmax_t oldval; | |
809 | ||
810 | errno = 0; | |
811 | val = strtoumax(value, &end, 0); | |
812 | if (errno == ERANGE) | |
813 | return 0; | |
814 | oldval = val; | |
33fdd77e JK |
815 | if (!parse_unit_factor(end, &val)) { |
816 | errno = EINVAL; | |
c8deb5a1 | 817 | return 0; |
33fdd77e JK |
818 | } |
819 | if (val > max || oldval > val) { | |
820 | errno = ERANGE; | |
ebaa1bd4 | 821 | return 0; |
33fdd77e | 822 | } |
c8deb5a1 | 823 | *ret = val; |
0b87b6e0 | 824 | return 1; |
17712991 | 825 | } |
33fdd77e | 826 | errno = EINVAL; |
0b87b6e0 BD |
827 | return 0; |
828 | } | |
829 | ||
42d194e9 | 830 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 831 | { |
7192777d | 832 | intmax_t tmp; |
42d194e9 | 833 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
834 | return 0; |
835 | *ret = tmp; | |
836 | return 1; | |
837 | } | |
838 | ||
00160242 JK |
839 | static int git_parse_int64(const char *value, int64_t *ret) |
840 | { | |
841 | intmax_t tmp; | |
842 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
843 | return 0; | |
844 | *ret = tmp; | |
845 | return 1; | |
846 | } | |
847 | ||
7192777d JK |
848 | int git_parse_ulong(const char *value, unsigned long *ret) |
849 | { | |
850 | uintmax_t tmp; | |
851 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
852 | return 0; | |
853 | *ret = tmp; | |
854 | return 1; | |
855 | } | |
856 | ||
37ee680d DT |
857 | static int git_parse_ssize_t(const char *value, ssize_t *ret) |
858 | { | |
859 | intmax_t tmp; | |
860 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t))) | |
861 | return 0; | |
862 | *ret = tmp; | |
863 | return 1; | |
864 | } | |
865 | ||
06bdc23b | 866 | NORETURN |
2f666581 | 867 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 868 | { |
078fe305 JNA |
869 | const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit"); |
870 | ||
2f666581 JK |
871 | if (!value) |
872 | value = ""; | |
873 | ||
1b8132d9 | 874 | if (!(cf && cf->name)) |
078fe305 JNA |
875 | die(_("bad numeric config value '%s' for '%s': %s"), |
876 | value, name, error_type); | |
1b8132d9 VA |
877 | |
878 | switch (cf->origin_type) { | |
879 | case CONFIG_ORIGIN_BLOB: | |
078fe305 JNA |
880 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
881 | value, name, cf->name, error_type); | |
1b8132d9 | 882 | case CONFIG_ORIGIN_FILE: |
078fe305 JNA |
883 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
884 | value, name, cf->name, error_type); | |
1b8132d9 | 885 | case CONFIG_ORIGIN_STDIN: |
078fe305 JNA |
886 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
887 | value, name, error_type); | |
1b8132d9 | 888 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 JNA |
889 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
890 | value, name, cf->name, error_type); | |
1b8132d9 | 891 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 JNA |
892 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
893 | value, name, cf->name, error_type); | |
1b8132d9 | 894 | default: |
078fe305 JNA |
895 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
896 | value, name, cf->name, error_type); | |
1b8132d9 | 897 | } |
c1867cea JK |
898 | } |
899 | ||
0b87b6e0 BD |
900 | int git_config_int(const char *name, const char *value) |
901 | { | |
42d194e9 JK |
902 | int ret; |
903 | if (!git_parse_int(value, &ret)) | |
2f666581 | 904 | die_bad_number(name, value); |
0b87b6e0 BD |
905 | return ret; |
906 | } | |
907 | ||
00160242 JK |
908 | int64_t git_config_int64(const char *name, const char *value) |
909 | { | |
910 | int64_t ret; | |
911 | if (!git_parse_int64(value, &ret)) | |
912 | die_bad_number(name, value); | |
0b87b6e0 BD |
913 | return ret; |
914 | } | |
915 | ||
916 | unsigned long git_config_ulong(const char *name, const char *value) | |
917 | { | |
918 | unsigned long ret; | |
919 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 920 | die_bad_number(name, value); |
0b87b6e0 | 921 | return ret; |
17712991 LT |
922 | } |
923 | ||
37ee680d DT |
924 | ssize_t git_config_ssize_t(const char *name, const char *value) |
925 | { | |
926 | ssize_t ret; | |
927 | if (!git_parse_ssize_t(value, &ret)) | |
928 | die_bad_number(name, value); | |
929 | return ret; | |
930 | } | |
931 | ||
9a549d43 | 932 | int git_parse_maybe_bool(const char *value) |
17712991 LT |
933 | { |
934 | if (!value) | |
935 | return 1; | |
936 | if (!*value) | |
937 | return 0; | |
8420ccd8 JH |
938 | if (!strcasecmp(value, "true") |
939 | || !strcasecmp(value, "yes") | |
940 | || !strcasecmp(value, "on")) | |
17712991 | 941 | return 1; |
8420ccd8 JH |
942 | if (!strcasecmp(value, "false") |
943 | || !strcasecmp(value, "no") | |
944 | || !strcasecmp(value, "off")) | |
17712991 | 945 | return 0; |
8420ccd8 JH |
946 | return -1; |
947 | } | |
948 | ||
b2be2f6a JK |
949 | int git_config_maybe_bool(const char *name, const char *value) |
950 | { | |
9a549d43 | 951 | int v = git_parse_maybe_bool(value); |
b2be2f6a JK |
952 | if (0 <= v) |
953 | return v; | |
42d194e9 | 954 | if (git_parse_int(value, &v)) |
db6195ef | 955 | return !!v; |
b2be2f6a JK |
956 | return -1; |
957 | } | |
958 | ||
8420ccd8 JH |
959 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
960 | { | |
9a549d43 | 961 | int v = git_parse_maybe_bool(value); |
8420ccd8 JH |
962 | if (0 <= v) { |
963 | *is_bool = 1; | |
964 | return v; | |
965 | } | |
a53f2ec6 | 966 | *is_bool = 0; |
c35b0b58 | 967 | return git_config_int(name, value); |
17712991 LT |
968 | } |
969 | ||
a53f2ec6 JH |
970 | int git_config_bool(const char *name, const char *value) |
971 | { | |
972 | int discard; | |
c35b0b58 | 973 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
974 | } |
975 | ||
ea5105a5 CC |
976 | int git_config_string(const char **dest, const char *var, const char *value) |
977 | { | |
978 | if (!value) | |
979 | return config_error_nonbool(var); | |
980 | *dest = xstrdup(value); | |
981 | return 0; | |
982 | } | |
983 | ||
395de250 MM |
984 | int git_config_pathname(const char **dest, const char *var, const char *value) |
985 | { | |
986 | if (!value) | |
987 | return config_error_nonbool(var); | |
4aad2f16 | 988 | *dest = expand_user_path(value, 0); |
395de250 | 989 | if (!*dest) |
8262aaa2 | 990 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
991 | return 0; |
992 | } | |
993 | ||
806e2ad7 | 994 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
995 | { |
996 | /* This needs a better name */ | |
997 | if (!strcmp(var, "core.filemode")) { | |
998 | trust_executable_bit = git_config_bool(var, value); | |
999 | return 0; | |
1000 | } | |
1ce4790b AR |
1001 | if (!strcmp(var, "core.trustctime")) { |
1002 | trust_ctime = git_config_bool(var, value); | |
1003 | return 0; | |
1004 | } | |
c1b5d738 | 1005 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
1006 | if (!strcasecmp(value, "default")) |
1007 | check_stat = 1; | |
1008 | else if (!strcasecmp(value, "minimal")) | |
1009 | check_stat = 0; | |
1010 | } | |
17712991 | 1011 | |
9378c161 JH |
1012 | if (!strcmp(var, "core.quotepath")) { |
1013 | quote_path_fully = git_config_bool(var, value); | |
1014 | return 0; | |
1015 | } | |
1016 | ||
78a8d641 JS |
1017 | if (!strcmp(var, "core.symlinks")) { |
1018 | has_symlinks = git_config_bool(var, value); | |
1019 | return 0; | |
1020 | } | |
1021 | ||
0a9b88b7 LT |
1022 | if (!strcmp(var, "core.ignorecase")) { |
1023 | ignore_case = git_config_bool(var, value); | |
1024 | return 0; | |
1025 | } | |
1026 | ||
64589a03 JH |
1027 | if (!strcmp(var, "core.attributesfile")) |
1028 | return git_config_pathname(&git_attributes_file, var, value); | |
1029 | ||
867ad08a ÆAB |
1030 | if (!strcmp(var, "core.hookspath")) |
1031 | return git_config_pathname(&git_hooks_path, var, value); | |
1032 | ||
7d1864ce JH |
1033 | if (!strcmp(var, "core.bare")) { |
1034 | is_bare_repository_cfg = git_config_bool(var, value); | |
1035 | return 0; | |
1036 | } | |
1037 | ||
5f73076c JH |
1038 | if (!strcmp(var, "core.ignorestat")) { |
1039 | assume_unchanged = git_config_bool(var, value); | |
1040 | return 0; | |
1041 | } | |
1042 | ||
e388c738 JH |
1043 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
1044 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
1045 | return 0; |
1046 | } | |
1047 | ||
6de08ae6 | 1048 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
1049 | if (value && !strcasecmp(value, "always")) |
1050 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
1051 | else if (git_config_bool(var, value)) | |
1052 | log_all_ref_updates = LOG_REFS_NORMAL; | |
1053 | else | |
1054 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
1055 | return 0; |
1056 | } | |
1057 | ||
2f8acdb3 JH |
1058 | if (!strcmp(var, "core.warnambiguousrefs")) { |
1059 | warn_ambiguous_refs = git_config_bool(var, value); | |
1060 | return 0; | |
1061 | } | |
1062 | ||
a71f09fe | 1063 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
1064 | if (!value) |
1065 | return config_error_nonbool(var); | |
1066 | if (!strcasecmp(value, "auto")) | |
1067 | default_abbrev = -1; | |
1068 | else { | |
1069 | int abbrev = git_config_int(var, value); | |
1070 | if (abbrev < minimum_abbrev || abbrev > 40) | |
1071 | return error("abbrev length out of range: %d", abbrev); | |
1072 | default_abbrev = abbrev; | |
1073 | } | |
dce96489 LT |
1074 | return 0; |
1075 | } | |
1076 | ||
5b33cb1f JK |
1077 | if (!strcmp(var, "core.disambiguate")) |
1078 | return set_disambiguate_hint_config(var, value); | |
1079 | ||
960ccca6 | 1080 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
1081 | int level = git_config_int(var, value); |
1082 | if (level == -1) | |
1083 | level = Z_DEFAULT_COMPRESSION; | |
1084 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1085 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 1086 | zlib_compression_level = level; |
960ccca6 DH |
1087 | zlib_compression_seen = 1; |
1088 | return 0; | |
1089 | } | |
1090 | ||
1091 | if (!strcmp(var, "core.compression")) { | |
1092 | int level = git_config_int(var, value); | |
1093 | if (level == -1) | |
1094 | level = Z_DEFAULT_COMPRESSION; | |
1095 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1096 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
1097 | core_compression_level = level; |
1098 | core_compression_seen = 1; | |
1099 | if (!zlib_compression_seen) | |
1100 | zlib_compression_level = level; | |
8de7eeb5 JH |
1101 | if (!pack_compression_seen) |
1102 | pack_compression_level = level; | |
12f6c308 JBH |
1103 | return 0; |
1104 | } | |
1105 | ||
60bb8b14 | 1106 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 1107 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 1108 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
1109 | |
1110 | /* This value must be multiple of (pagesize * 2) */ | |
1111 | packed_git_window_size /= pgsz_x2; | |
1112 | if (packed_git_window_size < 1) | |
1113 | packed_git_window_size = 1; | |
1114 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
1115 | return 0; |
1116 | } | |
1117 | ||
15366280 | 1118 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 1119 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
1120 | return 0; |
1121 | } | |
1122 | ||
77ccc5bb | 1123 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 1124 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
1125 | return 0; |
1126 | } | |
1127 | ||
18bdec11 | 1128 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 1129 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
1130 | return 0; |
1131 | } | |
1132 | ||
6c510bee | 1133 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 1134 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 1135 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
1136 | return 0; |
1137 | } | |
6c510bee LT |
1138 | auto_crlf = git_config_bool(var, value); |
1139 | return 0; | |
1140 | } | |
1141 | ||
21e5ad50 SP |
1142 | if (!strcmp(var, "core.safecrlf")) { |
1143 | if (value && !strcasecmp(value, "warn")) { | |
1144 | safe_crlf = SAFE_CRLF_WARN; | |
1145 | return 0; | |
1146 | } | |
1147 | safe_crlf = git_config_bool(var, value); | |
1148 | return 0; | |
1149 | } | |
1150 | ||
942e7747 EB |
1151 | if (!strcmp(var, "core.eol")) { |
1152 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 1153 | core_eol = EOL_LF; |
942e7747 | 1154 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 1155 | core_eol = EOL_CRLF; |
942e7747 | 1156 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 1157 | core_eol = EOL_NATIVE; |
942e7747 | 1158 | else |
ec70f52f | 1159 | core_eol = EOL_UNSET; |
942e7747 EB |
1160 | return 0; |
1161 | } | |
1162 | ||
a97a7468 JS |
1163 | if (!strcmp(var, "core.notesref")) { |
1164 | notes_ref_name = xstrdup(value); | |
1165 | return 0; | |
1166 | } | |
1167 | ||
806e2ad7 LT |
1168 | if (!strcmp(var, "core.editor")) |
1169 | return git_config_string(&editor_program, var, value); | |
1170 | ||
eff80a9f | 1171 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
1172 | if (!value) |
1173 | return config_error_nonbool(var); | |
ad524f83 | 1174 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 1175 | auto_comment_line_char = 1; |
ad524f83 | 1176 | else if (value[0] && !value[1]) { |
649409b7 | 1177 | comment_line_char = value[0]; |
84c9dc2c | 1178 | auto_comment_line_char = 0; |
50b54fd7 NTND |
1179 | } else |
1180 | return error("core.commentChar should only be one character"); | |
1181 | return 0; | |
eff80a9f JH |
1182 | } |
1183 | ||
d3e7da89 AK |
1184 | if (!strcmp(var, "core.askpass")) |
1185 | return git_config_string(&askpass_program, var, value); | |
1186 | ||
806e2ad7 | 1187 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 1188 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
1189 | |
1190 | if (!strcmp(var, "core.whitespace")) { | |
1191 | if (!value) | |
1192 | return config_error_nonbool(var); | |
1193 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
1194 | return 0; | |
1195 | } | |
1196 | ||
aafe9fba LT |
1197 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
1198 | fsync_object_files = git_config_bool(var, value); | |
1199 | return 0; | |
1200 | } | |
1201 | ||
671c9b7e LT |
1202 | if (!strcmp(var, "core.preloadindex")) { |
1203 | core_preload_index = git_config_bool(var, value); | |
1204 | return 0; | |
1205 | } | |
1206 | ||
348df166 JS |
1207 | if (!strcmp(var, "core.createobject")) { |
1208 | if (!strcmp(value, "rename")) | |
1209 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
1210 | else if (!strcmp(value, "link")) | |
1211 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
1212 | else | |
8262aaa2 | 1213 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
1214 | return 0; |
1215 | } | |
1216 | ||
08aefc9e NTND |
1217 | if (!strcmp(var, "core.sparsecheckout")) { |
1218 | core_apply_sparse_checkout = git_config_bool(var, value); | |
1219 | return 0; | |
1220 | } | |
1221 | ||
76759c7d TB |
1222 | if (!strcmp(var, "core.precomposeunicode")) { |
1223 | precomposed_unicode = git_config_bool(var, value); | |
1224 | return 0; | |
1225 | } | |
1226 | ||
a42643aa JK |
1227 | if (!strcmp(var, "core.protecthfs")) { |
1228 | protect_hfs = git_config_bool(var, value); | |
1229 | return 0; | |
1230 | } | |
1231 | ||
2b4c6efc JS |
1232 | if (!strcmp(var, "core.protectntfs")) { |
1233 | protect_ntfs = git_config_bool(var, value); | |
1234 | return 0; | |
76759c7d TB |
1235 | } |
1236 | ||
f30afdab JS |
1237 | if (!strcmp(var, "core.hidedotfiles")) { |
1238 | if (value && !strcasecmp(value, "dotgitonly")) | |
1239 | hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; | |
1240 | else | |
1241 | hide_dotfiles = git_config_bool(var, value); | |
1242 | return 0; | |
1243 | } | |
1244 | ||
806e2ad7 LT |
1245 | /* Add other config variables here and to Documentation/config.txt. */ |
1246 | return 0; | |
1247 | } | |
1248 | ||
1141f492 | 1249 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1250 | { |
ea5105a5 CC |
1251 | if (!strcmp(var, "i18n.commitencoding")) |
1252 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1253 | |
ea5105a5 CC |
1254 | if (!strcmp(var, "i18n.logoutputencoding")) |
1255 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1256 | |
1141f492 LT |
1257 | /* Add other config variables here and to Documentation/config.txt. */ |
1258 | return 0; | |
1259 | } | |
039bc64e | 1260 | |
1141f492 LT |
1261 | static int git_default_branch_config(const char *var, const char *value) |
1262 | { | |
9ed36cfa JS |
1263 | if (!strcmp(var, "branch.autosetupmerge")) { |
1264 | if (value && !strcasecmp(value, "always")) { | |
1265 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
1266 | return 0; | |
1267 | } | |
1268 | git_branch_track = git_config_bool(var, value); | |
1269 | return 0; | |
1270 | } | |
c998ae9b DS |
1271 | if (!strcmp(var, "branch.autosetuprebase")) { |
1272 | if (!value) | |
1273 | return config_error_nonbool(var); | |
1274 | else if (!strcmp(value, "never")) | |
1275 | autorebase = AUTOREBASE_NEVER; | |
1276 | else if (!strcmp(value, "local")) | |
1277 | autorebase = AUTOREBASE_LOCAL; | |
1278 | else if (!strcmp(value, "remote")) | |
1279 | autorebase = AUTOREBASE_REMOTE; | |
1280 | else if (!strcmp(value, "always")) | |
1281 | autorebase = AUTOREBASE_ALWAYS; | |
1282 | else | |
8c3ca351 | 1283 | return error("malformed value for %s", var); |
c998ae9b DS |
1284 | return 0; |
1285 | } | |
a9cc857a | 1286 | |
1ab661dd | 1287 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1288 | return 0; |
1289 | } | |
1290 | ||
52153747 FAG |
1291 | static int git_default_push_config(const char *var, const char *value) |
1292 | { | |
1293 | if (!strcmp(var, "push.default")) { | |
1294 | if (!value) | |
1295 | return config_error_nonbool(var); | |
1296 | else if (!strcmp(value, "nothing")) | |
1297 | push_default = PUSH_DEFAULT_NOTHING; | |
1298 | else if (!strcmp(value, "matching")) | |
1299 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1300 | else if (!strcmp(value, "simple")) |
1301 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1302 | else if (!strcmp(value, "upstream")) |
1303 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1304 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1305 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1306 | else if (!strcmp(value, "current")) |
1307 | push_default = PUSH_DEFAULT_CURRENT; | |
1308 | else { | |
8c3ca351 | 1309 | error("malformed value for %s: %s", var, value); |
b55e6775 MM |
1310 | return error("Must be one of nothing, matching, simple, " |
1311 | "upstream or current."); | |
52153747 FAG |
1312 | } |
1313 | return 0; | |
1314 | } | |
1315 | ||
1316 | /* Add other config variables here and to Documentation/config.txt. */ | |
1317 | return 0; | |
1318 | } | |
1319 | ||
d551a488 MSO |
1320 | static int git_default_mailmap_config(const char *var, const char *value) |
1321 | { | |
1322 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1323 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1324 | if (!strcmp(var, "mailmap.blob")) |
1325 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1326 | |
1327 | /* Add other config variables here and to Documentation/config.txt. */ | |
1328 | return 0; | |
1329 | } | |
1330 | ||
1141f492 LT |
1331 | int git_default_config(const char *var, const char *value, void *dummy) |
1332 | { | |
59556548 | 1333 | if (starts_with(var, "core.")) |
1141f492 LT |
1334 | return git_default_core_config(var, value); |
1335 | ||
59556548 | 1336 | if (starts_with(var, "user.")) |
9597921b | 1337 | return git_ident_config(var, value, dummy); |
1141f492 | 1338 | |
59556548 | 1339 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1340 | return git_default_i18n_config(var, value); |
1341 | ||
59556548 | 1342 | if (starts_with(var, "branch.")) |
1141f492 LT |
1343 | return git_default_branch_config(var, value); |
1344 | ||
59556548 | 1345 | if (starts_with(var, "push.")) |
52153747 FAG |
1346 | return git_default_push_config(var, value); |
1347 | ||
59556548 | 1348 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1349 | return git_default_mailmap_config(var, value); |
1350 | ||
59556548 | 1351 | if (starts_with(var, "advice.")) |
75194438 JK |
1352 | return git_default_advice_config(var, value); |
1353 | ||
136c8c8b JK |
1354 | if (git_color_config(var, value, dummy) < 0) |
1355 | return -1; | |
1356 | ||
1141f492 LT |
1357 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1358 | pager_use_color = git_config_bool(var,value); | |
1359 | return 0; | |
1360 | } | |
1361 | ||
568508e7 JH |
1362 | if (!strcmp(var, "pack.packsizelimit")) { |
1363 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1364 | return 0; | |
1365 | } | |
8de7eeb5 JH |
1366 | |
1367 | if (!strcmp(var, "pack.compression")) { | |
1368 | int level = git_config_int(var, value); | |
1369 | if (level == -1) | |
1370 | level = Z_DEFAULT_COMPRESSION; | |
1371 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1372 | die(_("bad pack compression level %d"), level); | |
1373 | pack_compression_level = level; | |
1374 | pack_compression_seen = 1; | |
1375 | return 0; | |
1376 | } | |
1377 | ||
1141f492 LT |
1378 | /* Add other config variables here and to Documentation/config.txt. */ |
1379 | return 0; | |
1380 | } | |
1381 | ||
ca4b5de2 | 1382 | /* |
b2dc0945 | 1383 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1384 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1385 | * this function. |
1386 | */ | |
4d8dd149 | 1387 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1388 | { |
1389 | int ret; | |
1390 | ||
1391 | /* push config-file parsing state stack */ | |
1392 | top->prev = cf; | |
1393 | top->linenr = 1; | |
1394 | top->eof = 0; | |
1395 | strbuf_init(&top->value, 1024); | |
1396 | strbuf_init(&top->var, 1024); | |
1397 | cf = top; | |
1398 | ||
4d8dd149 | 1399 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1400 | |
1401 | /* pop config-file parsing state stack */ | |
1402 | strbuf_release(&top->value); | |
1403 | strbuf_release(&top->var); | |
1404 | cf = top->prev; | |
1405 | ||
1406 | return ret; | |
1407 | } | |
1408 | ||
3caec73b | 1409 | static int do_config_from_file(config_fn_t fn, |
1b8132d9 VA |
1410 | const enum config_origin_type origin_type, |
1411 | const char *name, const char *path, FILE *f, | |
473166b9 | 1412 | void *data) |
17712991 | 1413 | { |
3caec73b | 1414 | struct config_source top; |
17712991 | 1415 | |
3caec73b | 1416 | top.u.file = f; |
473166b9 | 1417 | top.origin_type = origin_type; |
3caec73b KS |
1418 | top.name = name; |
1419 | top.path = path; | |
1420 | top.die_on_error = 1; | |
1421 | top.do_fgetc = config_file_fgetc; | |
1422 | top.do_ungetc = config_file_ungetc; | |
1423 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1424 | |
3caec73b KS |
1425 | return do_config_from(&top, fn, data); |
1426 | } | |
924aaf3e | 1427 | |
3caec73b KS |
1428 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1429 | { | |
1b8132d9 | 1430 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, data); |
3caec73b KS |
1431 | } |
1432 | ||
1433 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) | |
1434 | { | |
1435 | int ret = -1; | |
1436 | FILE *f; | |
924aaf3e | 1437 | |
e9d983f1 | 1438 | f = fopen_or_warn(filename, "r"); |
3caec73b | 1439 | if (f) { |
260d408e | 1440 | flockfile(f); |
1b8132d9 | 1441 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data); |
260d408e | 1442 | funlockfile(f); |
17712991 LT |
1443 | fclose(f); |
1444 | } | |
1445 | return ret; | |
1446 | } | |
10bea152 | 1447 | |
1b8132d9 | 1448 | int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_type, |
473166b9 | 1449 | const char *name, const char *buf, size_t len, void *data) |
1bc88819 HV |
1450 | { |
1451 | struct config_source top; | |
1452 | ||
1453 | top.u.buf.buf = buf; | |
1454 | top.u.buf.len = len; | |
1455 | top.u.buf.pos = 0; | |
473166b9 | 1456 | top.origin_type = origin_type; |
1bc88819 | 1457 | top.name = name; |
d14d4244 | 1458 | top.path = NULL; |
b2dc0945 | 1459 | top.die_on_error = 0; |
49d6cfa5 JK |
1460 | top.do_fgetc = config_buf_fgetc; |
1461 | top.do_ungetc = config_buf_ungetc; | |
1462 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1463 | |
1464 | return do_config_from(&top, fn, data); | |
1465 | } | |
1466 | ||
9ebf689a BW |
1467 | int git_config_from_blob_sha1(config_fn_t fn, |
1468 | const char *name, | |
1469 | const unsigned char *sha1, | |
1470 | void *data) | |
1bc88819 HV |
1471 | { |
1472 | enum object_type type; | |
1473 | char *buf; | |
1474 | unsigned long size; | |
1475 | int ret; | |
1476 | ||
1477 | buf = read_sha1_file(sha1, &type, &size); | |
1478 | if (!buf) | |
1479 | return error("unable to load config blob object '%s'", name); | |
1480 | if (type != OBJ_BLOB) { | |
1481 | free(buf); | |
1482 | return error("reference '%s' does not point to a blob", name); | |
1483 | } | |
1484 | ||
1b8132d9 | 1485 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data); |
1bc88819 HV |
1486 | free(buf); |
1487 | ||
1488 | return ret; | |
1489 | } | |
1490 | ||
1491 | static int git_config_from_blob_ref(config_fn_t fn, | |
1492 | const char *name, | |
1493 | void *data) | |
1494 | { | |
1495 | unsigned char sha1[20]; | |
1496 | ||
1497 | if (get_sha1(name, sha1) < 0) | |
1498 | return error("unable to resolve config blob '%s'", name); | |
1499 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1500 | } | |
1501 | ||
506b17b1 JS |
1502 | const char *git_etc_gitconfig(void) |
1503 | { | |
7f0e39fa | 1504 | static const char *system_wide; |
2de9de5e SP |
1505 | if (!system_wide) |
1506 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1507 | return system_wide; |
506b17b1 JS |
1508 | } |
1509 | ||
23b0c478 SP |
1510 | /* |
1511 | * Parse environment variable 'k' as a boolean (in various | |
1512 | * possible spellings); if missing, use the default value 'def'. | |
1513 | */ | |
0ef37164 | 1514 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1515 | { |
1516 | const char *v = getenv(k); | |
1517 | return v ? git_config_bool(k, v) : def; | |
1518 | } | |
1519 | ||
23b0c478 SP |
1520 | /* |
1521 | * Parse environment variable 'k' as ulong with possibly a unit | |
1522 | * suffix; if missing, use the default value 'val'. | |
1523 | */ | |
1524 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1525 | { | |
1526 | const char *v = getenv(k); | |
1527 | if (v && !git_parse_ulong(v, &val)) | |
1528 | die("failed to parse %s", k); | |
1529 | return val; | |
1530 | } | |
1531 | ||
ab88c363 JK |
1532 | int git_config_system(void) |
1533 | { | |
1534 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1535 | } | |
1536 | ||
e145a0bc NTND |
1537 | static int do_git_config_sequence(const struct config_options *opts, |
1538 | config_fn_t fn, void *data) | |
4f629539 | 1539 | { |
c72ee44b | 1540 | int ret = 0; |
509adc33 | 1541 | char *xdg_config = xdg_config_home("config"); |
4aad2f16 | 1542 | char *user_config = expand_user_path("~/.gitconfig", 0); |
e145a0bc NTND |
1543 | char *repo_config; |
1544 | ||
a577fb5f BW |
1545 | if (opts->commondir) |
1546 | repo_config = mkpathdup("%s/config", opts->commondir); | |
e145a0bc NTND |
1547 | else |
1548 | repo_config = NULL; | |
5f1a63e0 | 1549 | |
9acc5911 | 1550 | current_parsing_scope = CONFIG_SCOPE_SYSTEM; |
c72ee44b | 1551 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) |
dc871831 DB |
1552 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1553 | data); | |
5f1a63e0 | 1554 | |
9acc5911 | 1555 | current_parsing_scope = CONFIG_SCOPE_GLOBAL; |
c72ee44b | 1556 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1557 | ret += git_config_from_file(fn, xdg_config, data); |
21cf3227 | 1558 | |
c72ee44b | 1559 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1560 | ret += git_config_from_file(fn, user_config, data); |
5f1a63e0 | 1561 | |
9acc5911 | 1562 | current_parsing_scope = CONFIG_SCOPE_REPO; |
c72ee44b | 1563 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) |
aa387407 | 1564 | ret += git_config_from_file(fn, repo_config, data); |
8b1fa778 | 1565 | |
9acc5911 | 1566 | current_parsing_scope = CONFIG_SCOPE_CMDLINE; |
c72ee44b | 1567 | if (git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 1568 | die(_("unable to parse command-line config")); |
8b1fa778 | 1569 | |
9acc5911 | 1570 | current_parsing_scope = CONFIG_SCOPE_UNKNOWN; |
21cf3227 HKNN |
1571 | free(xdg_config); |
1572 | free(user_config); | |
80181868 | 1573 | free(repo_config); |
c72ee44b | 1574 | return ret; |
4f629539 JH |
1575 | } |
1576 | ||
dc8441fd BW |
1577 | int config_with_options(config_fn_t fn, void *data, |
1578 | struct git_config_source *config_source, | |
1579 | const struct config_options *opts) | |
dbdf5854 | 1580 | { |
9b25a0b5 JK |
1581 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1582 | ||
c48f4b37 | 1583 | if (opts->respect_includes) { |
9b25a0b5 JK |
1584 | inc.fn = fn; |
1585 | inc.data = data; | |
c48f4b37 | 1586 | inc.opts = opts; |
9b25a0b5 JK |
1587 | fn = git_config_include; |
1588 | data = &inc; | |
1589 | } | |
dbdf5854 | 1590 | |
c9b5e2a5 JK |
1591 | /* |
1592 | * If we have a specific filename, use it. Otherwise, follow the | |
1593 | * regular lookup sequence. | |
1594 | */ | |
3caec73b KS |
1595 | if (config_source && config_source->use_stdin) |
1596 | return git_config_from_stdin(fn, data); | |
1597 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1598 | return git_config_from_file(fn, config_source->file, data); |
1599 | else if (config_source && config_source->blob) | |
1600 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1601 | |
e145a0bc | 1602 | return do_git_config_sequence(opts, fn, data); |
dbdf5854 NTND |
1603 | } |
1604 | ||
155ef25f | 1605 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1606 | { |
155ef25f TA |
1607 | int i, value_index; |
1608 | struct string_list *values; | |
1609 | struct config_set_element *entry; | |
1610 | struct configset_list *list = &cs->list; | |
155ef25f TA |
1611 | |
1612 | for (i = 0; i < list->nr; i++) { | |
1613 | entry = list->items[i].e; | |
1614 | value_index = list->items[i].value_index; | |
1615 | values = &entry->value_list; | |
0d44a2da JK |
1616 | |
1617 | current_config_kvi = values->items[value_index].util; | |
1618 | ||
1619 | if (fn(entry->key, values->items[value_index].string, data) < 0) | |
1620 | git_die_config_linenr(entry->key, | |
1621 | current_config_kvi->filename, | |
1622 | current_config_kvi->linenr); | |
1623 | ||
1624 | current_config_kvi = NULL; | |
155ef25f TA |
1625 | } |
1626 | } | |
1627 | ||
0654aa57 JS |
1628 | void read_early_config(config_fn_t cb, void *data) |
1629 | { | |
c48f4b37 | 1630 | struct config_options opts = {0}; |
d3fb71b3 BW |
1631 | struct strbuf commondir = STRBUF_INIT; |
1632 | struct strbuf gitdir = STRBUF_INIT; | |
1a27409a | 1633 | |
c48f4b37 | 1634 | opts.respect_includes = 1; |
0654aa57 | 1635 | |
a577fb5f BW |
1636 | if (have_git_dir()) { |
1637 | opts.commondir = get_git_common_dir(); | |
2185fde5 | 1638 | opts.git_dir = get_git_dir(); |
0654aa57 | 1639 | /* |
1a27409a JS |
1640 | * When setup_git_directory() was not yet asked to discover the |
1641 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
1642 | * is any repository config we should use (but unlike | |
1643 | * setup_git_directory_gently(), no global state is changed, most | |
1644 | * notably, the current working directory is still the same after the | |
1645 | * call). | |
0654aa57 | 1646 | */ |
a577fb5f BW |
1647 | } else if (!discover_git_directory(&commondir, &gitdir)) { |
1648 | opts.commondir = commondir.buf; | |
d3fb71b3 | 1649 | opts.git_dir = gitdir.buf; |
a577fb5f | 1650 | } |
2185fde5 | 1651 | |
dc8441fd | 1652 | config_with_options(cb, data, NULL, &opts); |
0654aa57 | 1653 | |
d3fb71b3 BW |
1654 | strbuf_release(&commondir); |
1655 | strbuf_release(&gitdir); | |
0654aa57 JS |
1656 | } |
1657 | ||
3c8687a7 TA |
1658 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
1659 | { | |
1660 | struct config_set_element k; | |
1661 | struct config_set_element *found_entry; | |
1662 | char *normalized_key; | |
3c8687a7 TA |
1663 | /* |
1664 | * `key` may come from the user, so normalize it before using it | |
1665 | * for querying entries from the hashmap. | |
1666 | */ | |
270cd9ea | 1667 | if (git_config_parse_key(key, &normalized_key, NULL)) |
3c8687a7 TA |
1668 | return NULL; |
1669 | ||
1670 | hashmap_entry_init(&k, strhash(normalized_key)); | |
1671 | k.key = normalized_key; | |
1672 | found_entry = hashmap_get(&cs->config_hash, &k, NULL); | |
1673 | free(normalized_key); | |
1674 | return found_entry; | |
1675 | } | |
1676 | ||
1677 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
1678 | { | |
1679 | struct config_set_element *e; | |
3df8fd62 | 1680 | struct string_list_item *si; |
155ef25f | 1681 | struct configset_list_item *l_item; |
3df8fd62 TA |
1682 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
1683 | ||
3c8687a7 TA |
1684 | e = configset_find_element(cs, key); |
1685 | /* | |
1686 | * Since the keys are being fed by git_config*() callback mechanism, they | |
1687 | * are already normalized. So simply add them without any further munging. | |
1688 | */ | |
1689 | if (!e) { | |
1690 | e = xmalloc(sizeof(*e)); | |
1691 | hashmap_entry_init(e, strhash(key)); | |
1692 | e->key = xstrdup(key); | |
1693 | string_list_init(&e->value_list, 1); | |
1694 | hashmap_add(&cs->config_hash, e); | |
1695 | } | |
8c53f071 | 1696 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
1697 | |
1698 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
1699 | l_item = &cs->list.items[cs->list.nr++]; | |
1700 | l_item->e = e; | |
1701 | l_item->value_index = e->value_list.nr - 1; | |
1702 | ||
3258258f JK |
1703 | if (!cf) |
1704 | die("BUG: configset_add_value has no source"); | |
1705 | if (cf->name) { | |
3df8fd62 TA |
1706 | kv_info->filename = strintern(cf->name); |
1707 | kv_info->linenr = cf->linenr; | |
1b8132d9 | 1708 | kv_info->origin_type = cf->origin_type; |
3df8fd62 TA |
1709 | } else { |
1710 | /* for values read from `git_config_from_parameters()` */ | |
1711 | kv_info->filename = NULL; | |
1712 | kv_info->linenr = -1; | |
1b8132d9 | 1713 | kv_info->origin_type = CONFIG_ORIGIN_CMDLINE; |
3df8fd62 | 1714 | } |
9acc5911 | 1715 | kv_info->scope = current_parsing_scope; |
3df8fd62 | 1716 | si->util = kv_info; |
3c8687a7 TA |
1717 | |
1718 | return 0; | |
1719 | } | |
1720 | ||
7663cdc8 SB |
1721 | static int config_set_element_cmp(const void *unused_cmp_data, |
1722 | const struct config_set_element *e1, | |
1723 | const struct config_set_element *e2, | |
1724 | const void *unused_keydata) | |
3c8687a7 TA |
1725 | { |
1726 | return strcmp(e1->key, e2->key); | |
1727 | } | |
1728 | ||
1729 | void git_configset_init(struct config_set *cs) | |
1730 | { | |
7663cdc8 SB |
1731 | hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, |
1732 | NULL, 0); | |
3c8687a7 | 1733 | cs->hash_initialized = 1; |
155ef25f TA |
1734 | cs->list.nr = 0; |
1735 | cs->list.alloc = 0; | |
1736 | cs->list.items = NULL; | |
3c8687a7 TA |
1737 | } |
1738 | ||
1739 | void git_configset_clear(struct config_set *cs) | |
1740 | { | |
1741 | struct config_set_element *entry; | |
1742 | struct hashmap_iter iter; | |
1743 | if (!cs->hash_initialized) | |
1744 | return; | |
1745 | ||
1746 | hashmap_iter_init(&cs->config_hash, &iter); | |
1747 | while ((entry = hashmap_iter_next(&iter))) { | |
1748 | free(entry->key); | |
3df8fd62 | 1749 | string_list_clear(&entry->value_list, 1); |
3c8687a7 TA |
1750 | } |
1751 | hashmap_free(&cs->config_hash, 1); | |
1752 | cs->hash_initialized = 0; | |
155ef25f TA |
1753 | free(cs->list.items); |
1754 | cs->list.nr = 0; | |
1755 | cs->list.alloc = 0; | |
1756 | cs->list.items = NULL; | |
3c8687a7 TA |
1757 | } |
1758 | ||
1759 | static int config_set_callback(const char *key, const char *value, void *cb) | |
1760 | { | |
1761 | struct config_set *cs = cb; | |
1762 | configset_add_value(cs, key, value); | |
1763 | return 0; | |
1764 | } | |
1765 | ||
1766 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
1767 | { | |
1768 | return git_config_from_file(config_set_callback, filename, cs); | |
1769 | } | |
1770 | ||
1771 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
1772 | { | |
1773 | const struct string_list *values = NULL; | |
1774 | /* | |
1775 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
1776 | * queried key in the files of the configset, the value returned will be the last | |
1777 | * value in the value list for that key. | |
1778 | */ | |
1779 | values = git_configset_get_value_multi(cs, key); | |
1780 | ||
1781 | if (!values) | |
1782 | return 1; | |
1783 | assert(values->nr > 0); | |
1784 | *value = values->items[values->nr - 1].string; | |
1785 | return 0; | |
1786 | } | |
1787 | ||
1788 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
1789 | { | |
1790 | struct config_set_element *e = configset_find_element(cs, key); | |
1791 | return e ? &e->value_list : NULL; | |
1792 | } | |
1793 | ||
1794 | int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest) | |
1795 | { | |
1796 | const char *value; | |
1797 | if (!git_configset_get_value(cs, key, &value)) | |
1798 | return git_config_string(dest, key, value); | |
1799 | else | |
1800 | return 1; | |
1801 | } | |
1802 | ||
1803 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) | |
1804 | { | |
1805 | return git_configset_get_string_const(cs, key, (const char **)dest); | |
1806 | } | |
1807 | ||
1808 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
1809 | { | |
1810 | const char *value; | |
1811 | if (!git_configset_get_value(cs, key, &value)) { | |
1812 | *dest = git_config_int(key, value); | |
1813 | return 0; | |
1814 | } else | |
1815 | return 1; | |
1816 | } | |
1817 | ||
1818 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
1819 | { | |
1820 | const char *value; | |
1821 | if (!git_configset_get_value(cs, key, &value)) { | |
1822 | *dest = git_config_ulong(key, value); | |
1823 | return 0; | |
1824 | } else | |
1825 | return 1; | |
1826 | } | |
1827 | ||
1828 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
1829 | { | |
1830 | const char *value; | |
1831 | if (!git_configset_get_value(cs, key, &value)) { | |
1832 | *dest = git_config_bool(key, value); | |
1833 | return 0; | |
1834 | } else | |
1835 | return 1; | |
1836 | } | |
1837 | ||
1838 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
1839 | int *is_bool, int *dest) | |
1840 | { | |
1841 | const char *value; | |
1842 | if (!git_configset_get_value(cs, key, &value)) { | |
1843 | *dest = git_config_bool_or_int(key, value, is_bool); | |
1844 | return 0; | |
1845 | } else | |
1846 | return 1; | |
1847 | } | |
1848 | ||
1849 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
1850 | { | |
1851 | const char *value; | |
1852 | if (!git_configset_get_value(cs, key, &value)) { | |
1853 | *dest = git_config_maybe_bool(key, value); | |
1854 | if (*dest == -1) | |
1855 | return -1; | |
1856 | return 0; | |
1857 | } else | |
1858 | return 1; | |
1859 | } | |
1860 | ||
1861 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
1862 | { | |
1863 | const char *value; | |
1864 | if (!git_configset_get_value(cs, key, &value)) | |
1865 | return git_config_pathname(dest, key, value); | |
1866 | else | |
1867 | return 1; | |
1868 | } | |
1869 | ||
3b256228 BW |
1870 | /* Functions use to read configuration from a repository */ |
1871 | static void repo_read_config(struct repository *repo) | |
3c8687a7 | 1872 | { |
3b256228 BW |
1873 | struct config_options opts; |
1874 | ||
1875 | opts.respect_includes = 1; | |
1876 | opts.commondir = repo->commondir; | |
1877 | opts.git_dir = repo->gitdir; | |
1878 | ||
1879 | if (!repo->config) | |
1880 | repo->config = xcalloc(1, sizeof(struct config_set)); | |
1881 | else | |
1882 | git_configset_clear(repo->config); | |
1883 | ||
1884 | git_configset_init(repo->config); | |
1885 | ||
1886 | if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0) | |
1887 | /* | |
1888 | * config_with_options() normally returns only | |
1889 | * zero, as most errors are fatal, and | |
1890 | * non-fatal potential errors are guarded by "if" | |
1891 | * statements that are entered only when no error is | |
1892 | * possible. | |
1893 | * | |
1894 | * If we ever encounter a non-fatal error, it means | |
1895 | * something went really wrong and we should stop | |
1896 | * immediately. | |
1897 | */ | |
1898 | die(_("unknown error occurred while reading the configuration files")); | |
1899 | } | |
1900 | ||
1901 | static void git_config_check_init(struct repository *repo) | |
1902 | { | |
1903 | if (repo->config && repo->config->hash_initialized) | |
3c8687a7 | 1904 | return; |
3b256228 | 1905 | repo_read_config(repo); |
3c8687a7 TA |
1906 | } |
1907 | ||
3b256228 | 1908 | static void repo_config_clear(struct repository *repo) |
3c8687a7 | 1909 | { |
3b256228 | 1910 | if (!repo->config || !repo->config->hash_initialized) |
3c8687a7 | 1911 | return; |
3b256228 | 1912 | git_configset_clear(repo->config); |
3c8687a7 TA |
1913 | } |
1914 | ||
3b256228 | 1915 | void repo_config(struct repository *repo, config_fn_t fn, void *data) |
3c8687a7 | 1916 | { |
3b256228 BW |
1917 | git_config_check_init(repo); |
1918 | configset_iter(repo->config, fn, data); | |
3c8687a7 TA |
1919 | } |
1920 | ||
3b256228 BW |
1921 | int repo_config_get_value(struct repository *repo, |
1922 | const char *key, const char **value) | |
3c8687a7 | 1923 | { |
3b256228 BW |
1924 | git_config_check_init(repo); |
1925 | return git_configset_get_value(repo->config, key, value); | |
3c8687a7 TA |
1926 | } |
1927 | ||
3b256228 BW |
1928 | const struct string_list *repo_config_get_value_multi(struct repository *repo, |
1929 | const char *key) | |
1930 | { | |
1931 | git_config_check_init(repo); | |
1932 | return git_configset_get_value_multi(repo->config, key); | |
1933 | } | |
1934 | ||
1935 | int repo_config_get_string_const(struct repository *repo, | |
1936 | const char *key, const char **dest) | |
1937 | { | |
1938 | int ret; | |
1939 | git_config_check_init(repo); | |
1940 | ret = git_configset_get_string_const(repo->config, key, dest); | |
1941 | if (ret < 0) | |
1942 | git_die_config(key, NULL); | |
1943 | return ret; | |
1944 | } | |
1945 | ||
1946 | int repo_config_get_string(struct repository *repo, | |
1947 | const char *key, char **dest) | |
1948 | { | |
1949 | git_config_check_init(repo); | |
1950 | return repo_config_get_string_const(repo, key, (const char **)dest); | |
1951 | } | |
1952 | ||
1953 | int repo_config_get_int(struct repository *repo, | |
1954 | const char *key, int *dest) | |
1955 | { | |
1956 | git_config_check_init(repo); | |
1957 | return git_configset_get_int(repo->config, key, dest); | |
1958 | } | |
1959 | ||
1960 | int repo_config_get_ulong(struct repository *repo, | |
1961 | const char *key, unsigned long *dest) | |
1962 | { | |
1963 | git_config_check_init(repo); | |
1964 | return git_configset_get_ulong(repo->config, key, dest); | |
1965 | } | |
1966 | ||
1967 | int repo_config_get_bool(struct repository *repo, | |
1968 | const char *key, int *dest) | |
1969 | { | |
1970 | git_config_check_init(repo); | |
1971 | return git_configset_get_bool(repo->config, key, dest); | |
1972 | } | |
1973 | ||
1974 | int repo_config_get_bool_or_int(struct repository *repo, | |
1975 | const char *key, int *is_bool, int *dest) | |
1976 | { | |
1977 | git_config_check_init(repo); | |
1978 | return git_configset_get_bool_or_int(repo->config, key, is_bool, dest); | |
1979 | } | |
1980 | ||
1981 | int repo_config_get_maybe_bool(struct repository *repo, | |
1982 | const char *key, int *dest) | |
1983 | { | |
1984 | git_config_check_init(repo); | |
1985 | return git_configset_get_maybe_bool(repo->config, key, dest); | |
1986 | } | |
1987 | ||
1988 | int repo_config_get_pathname(struct repository *repo, | |
1989 | const char *key, const char **dest) | |
3c8687a7 | 1990 | { |
5a80e97c | 1991 | int ret; |
3b256228 BW |
1992 | git_config_check_init(repo); |
1993 | ret = git_configset_get_pathname(repo->config, key, dest); | |
5a80e97c TA |
1994 | if (ret < 0) |
1995 | git_die_config(key, NULL); | |
1996 | return ret; | |
3c8687a7 TA |
1997 | } |
1998 | ||
3b256228 BW |
1999 | /* Functions used historically to read configuration from 'the_repository' */ |
2000 | void git_config(config_fn_t fn, void *data) | |
2001 | { | |
2002 | repo_config(the_repository, fn, data); | |
2003 | } | |
2004 | ||
2005 | void git_config_clear(void) | |
2006 | { | |
2007 | repo_config_clear(the_repository); | |
2008 | } | |
2009 | ||
2010 | int git_config_get_value(const char *key, const char **value) | |
2011 | { | |
2012 | return repo_config_get_value(the_repository, key, value); | |
2013 | } | |
2014 | ||
2015 | const struct string_list *git_config_get_value_multi(const char *key) | |
2016 | { | |
2017 | return repo_config_get_value_multi(the_repository, key); | |
2018 | } | |
2019 | ||
2020 | int git_config_get_string_const(const char *key, const char **dest) | |
2021 | { | |
2022 | return repo_config_get_string_const(the_repository, key, dest); | |
2023 | } | |
2024 | ||
3c8687a7 TA |
2025 | int git_config_get_string(const char *key, char **dest) |
2026 | { | |
3b256228 | 2027 | return repo_config_get_string(the_repository, key, dest); |
3c8687a7 TA |
2028 | } |
2029 | ||
2030 | int git_config_get_int(const char *key, int *dest) | |
2031 | { | |
3b256228 | 2032 | return repo_config_get_int(the_repository, key, dest); |
3c8687a7 TA |
2033 | } |
2034 | ||
2035 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
2036 | { | |
3b256228 | 2037 | return repo_config_get_ulong(the_repository, key, dest); |
3c8687a7 TA |
2038 | } |
2039 | ||
2040 | int git_config_get_bool(const char *key, int *dest) | |
2041 | { | |
3b256228 | 2042 | return repo_config_get_bool(the_repository, key, dest); |
3c8687a7 TA |
2043 | } |
2044 | ||
2045 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
2046 | { | |
3b256228 | 2047 | return repo_config_get_bool_or_int(the_repository, key, is_bool, dest); |
3c8687a7 TA |
2048 | } |
2049 | ||
2050 | int git_config_get_maybe_bool(const char *key, int *dest) | |
2051 | { | |
3b256228 | 2052 | return repo_config_get_maybe_bool(the_repository, key, dest); |
3c8687a7 TA |
2053 | } |
2054 | ||
2055 | int git_config_get_pathname(const char *key, const char **dest) | |
2056 | { | |
3b256228 | 2057 | return repo_config_get_pathname(the_repository, key, dest); |
5a80e97c TA |
2058 | } |
2059 | ||
77d67977 CC |
2060 | int git_config_get_expiry(const char *key, const char **output) |
2061 | { | |
2062 | int ret = git_config_get_string_const(key, output); | |
2063 | if (ret) | |
2064 | return ret; | |
2065 | if (strcmp(*output, "now")) { | |
dddbad72 | 2066 | timestamp_t now = approxidate("now"); |
77d67977 CC |
2067 | if (approxidate(*output) >= now) |
2068 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
2069 | } | |
2070 | return ret; | |
2071 | } | |
2072 | ||
435ec090 CC |
2073 | int git_config_get_untracked_cache(void) |
2074 | { | |
2075 | int val = -1; | |
2076 | const char *v; | |
2077 | ||
dae6c322 CC |
2078 | /* Hack for test programs like test-dump-untracked-cache */ |
2079 | if (ignore_untracked_cache_config) | |
2080 | return -1; | |
2081 | ||
435ec090 CC |
2082 | if (!git_config_get_maybe_bool("core.untrackedcache", &val)) |
2083 | return val; | |
2084 | ||
2085 | if (!git_config_get_value("core.untrackedcache", &v)) { | |
2086 | if (!strcasecmp(v, "keep")) | |
2087 | return -1; | |
2088 | ||
f60ef2d6 CC |
2089 | error(_("unknown core.untrackedCache value '%s'; " |
2090 | "using 'keep' default value"), v); | |
435ec090 CC |
2091 | return -1; |
2092 | } | |
2093 | ||
2094 | return -1; /* default value */ | |
2095 | } | |
2096 | ||
1f44b09b CC |
2097 | int git_config_get_split_index(void) |
2098 | { | |
2099 | int val; | |
2100 | ||
2101 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
2102 | return val; | |
2103 | ||
2104 | return -1; /* default value */ | |
2105 | } | |
2106 | ||
72dcb7b3 CC |
2107 | int git_config_get_max_percent_split_change(void) |
2108 | { | |
2109 | int val = -1; | |
2110 | ||
2111 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
2112 | if (0 <= val && val <= 100) | |
2113 | return val; | |
2114 | ||
2115 | return error(_("splitIndex.maxPercentChange value '%d' " | |
2116 | "should be between 0 and 100"), val); | |
2117 | } | |
2118 | ||
2119 | return -1; /* default value */ | |
2120 | } | |
2121 | ||
5a80e97c TA |
2122 | NORETURN |
2123 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
2124 | { | |
2125 | if (!filename) | |
2126 | die(_("unable to parse '%s' from command-line config"), key); | |
2127 | else | |
2128 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
2129 | key, filename, linenr); | |
2130 | } | |
2131 | ||
2132 | NORETURN __attribute__((format(printf, 2, 3))) | |
2133 | void git_die_config(const char *key, const char *err, ...) | |
2134 | { | |
2135 | const struct string_list *values; | |
2136 | struct key_value_info *kv_info; | |
2137 | ||
2138 | if (err) { | |
2139 | va_list params; | |
2140 | va_start(params, err); | |
2141 | vreportf("error: ", err, params); | |
2142 | va_end(params); | |
2143 | } | |
2144 | values = git_config_get_value_multi(key); | |
2145 | kv_info = values->items[values->nr - 1].util; | |
2146 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
2147 | } |
2148 | ||
10bea152 JS |
2149 | /* |
2150 | * Find all the stuff for git_config_set() below. | |
2151 | */ | |
4ddba79d | 2152 | |
10bea152 JS |
2153 | static struct { |
2154 | int baselen; | |
4b25d091 | 2155 | char *key; |
f98d863d | 2156 | int do_not_match; |
4b25d091 | 2157 | regex_t *value_regex; |
4ddba79d | 2158 | int multi_replace; |
83786fa4 TR |
2159 | size_t *offset; |
2160 | unsigned int offset_alloc; | |
10bea152 JS |
2161 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
2162 | int seen; | |
2163 | } store; | |
2164 | ||
4b25d091 | 2165 | static int matches(const char *key, const char *value) |
f98d863d | 2166 | { |
c1063be2 JK |
2167 | if (strcmp(key, store.key)) |
2168 | return 0; /* not ours */ | |
2169 | if (!store.value_regex) | |
2170 | return 1; /* always matches */ | |
2171 | if (store.value_regex == CONFIG_REGEX_NONE) | |
2172 | return 0; /* never matches */ | |
2173 | ||
2174 | return store.do_not_match ^ | |
2175 | (value && !regexec(store.value_regex, value, 0, NULL, 0)); | |
f98d863d JS |
2176 | } |
2177 | ||
4b25d091 | 2178 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 2179 | { |
ae9ee41d JH |
2180 | const char *ep; |
2181 | size_t section_len; | |
2182 | ||
10bea152 JS |
2183 | switch (store.state) { |
2184 | case KEY_SEEN: | |
f98d863d | 2185 | if (matches(key, value)) { |
4ddba79d | 2186 | if (store.seen == 1 && store.multi_replace == 0) { |
8262aaa2 | 2187 | warning(_("%s has multiple values"), key); |
10bea152 | 2188 | } |
4ddba79d | 2189 | |
83786fa4 TR |
2190 | ALLOC_GROW(store.offset, store.seen + 1, |
2191 | store.offset_alloc); | |
2192 | ||
49d6cfa5 | 2193 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2194 | store.seen++; |
2195 | } | |
2196 | break; | |
2197 | case SECTION_SEEN: | |
ae9ee41d JH |
2198 | /* |
2199 | * What we are looking for is in store.key (both | |
2200 | * section and var), and its section part is baselen | |
2201 | * long. We found key (again, both section and var). | |
2202 | * We would want to know if this key is in the same | |
2203 | * section as what we are looking for. We already | |
2204 | * know we are in the same section as what should | |
2205 | * hold store.key. | |
2206 | */ | |
2207 | ep = strrchr(key, '.'); | |
2208 | section_len = ep - key; | |
2209 | ||
2210 | if ((section_len != store.baselen) || | |
2211 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
2212 | store.state = SECTION_END_SEEN; |
2213 | break; | |
ae9ee41d JH |
2214 | } |
2215 | ||
2216 | /* | |
2217 | * Do not increment matches: this is no match, but we | |
2218 | * just made sure we are in the desired section. | |
2219 | */ | |
83786fa4 TR |
2220 | ALLOC_GROW(store.offset, store.seen + 1, |
2221 | store.offset_alloc); | |
49d6cfa5 | 2222 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2223 | /* fallthru */ |
2224 | case SECTION_END_SEEN: | |
2225 | case START: | |
f98d863d | 2226 | if (matches(key, value)) { |
83786fa4 TR |
2227 | ALLOC_GROW(store.offset, store.seen + 1, |
2228 | store.offset_alloc); | |
49d6cfa5 | 2229 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2230 | store.state = KEY_SEEN; |
2231 | store.seen++; | |
d14f7764 LT |
2232 | } else { |
2233 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 2234 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 2235 | store.state = SECTION_SEEN; |
83786fa4 TR |
2236 | ALLOC_GROW(store.offset, |
2237 | store.seen + 1, | |
2238 | store.offset_alloc); | |
49d6cfa5 | 2239 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 2240 | } |
bdf0ef08 | 2241 | } |
10bea152 JS |
2242 | } |
2243 | return 0; | |
2244 | } | |
2245 | ||
64c0d71c | 2246 | static int write_error(const char *filename) |
480c9e52 | 2247 | { |
64c0d71c | 2248 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
2249 | |
2250 | /* Same error code as "failed to rename". */ | |
2251 | return 4; | |
2252 | } | |
2253 | ||
4b25d091 | 2254 | static int store_write_section(int fd, const char *key) |
10bea152 | 2255 | { |
cb891a59 KH |
2256 | const char *dot; |
2257 | int i, success; | |
f285a2d7 | 2258 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 2259 | |
cb891a59 | 2260 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 2261 | if (dot) { |
cb891a59 KH |
2262 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
2263 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 2264 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
2265 | strbuf_addch(&sb, '\\'); |
2266 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 2267 | } |
cb891a59 KH |
2268 | strbuf_addstr(&sb, "\"]\n"); |
2269 | } else { | |
2270 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
2271 | } |
2272 | ||
cb891a59 KH |
2273 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
2274 | strbuf_release(&sb); | |
480c9e52 | 2275 | |
cb891a59 | 2276 | return success; |
10bea152 JS |
2277 | } |
2278 | ||
4b25d091 | 2279 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 2280 | { |
cb891a59 KH |
2281 | int i, success; |
2282 | int length = strlen(key + store.baselen + 1); | |
2283 | const char *quote = ""; | |
f285a2d7 | 2284 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 2285 | |
6281f394 JM |
2286 | /* |
2287 | * Check to see if the value needs to be surrounded with a dq pair. | |
2288 | * Note that problematic characters are always backslash-quoted; this | |
2289 | * check is about not losing leading or trailing SP and strings that | |
2290 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
2291 | * configuration parser. | |
2292 | */ | |
cdd4fb15 | 2293 | if (value[0] == ' ') |
cb891a59 | 2294 | quote = "\""; |
cdd4fb15 BG |
2295 | for (i = 0; value[i]; i++) |
2296 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
2297 | quote = "\""; |
2298 | if (i && value[i - 1] == ' ') | |
2299 | quote = "\""; | |
2300 | ||
cb891a59 KH |
2301 | strbuf_addf(&sb, "\t%.*s = %s", |
2302 | length, key + store.baselen + 1, quote); | |
10bea152 | 2303 | |
10bea152 JS |
2304 | for (i = 0; value[i]; i++) |
2305 | switch (value[i]) { | |
480c9e52 | 2306 | case '\n': |
cb891a59 | 2307 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
2308 | break; |
2309 | case '\t': | |
cb891a59 | 2310 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
2311 | break; |
2312 | case '"': | |
2313 | case '\\': | |
cb891a59 | 2314 | strbuf_addch(&sb, '\\'); |
480c9e52 | 2315 | default: |
cb891a59 | 2316 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
2317 | break; |
2318 | } | |
cb891a59 KH |
2319 | strbuf_addf(&sb, "%s\n", quote); |
2320 | ||
2321 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
2322 | strbuf_release(&sb); | |
2323 | ||
2324 | return success; | |
10bea152 JS |
2325 | } |
2326 | ||
4b25d091 FC |
2327 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
2328 | size_t offset_, int *found_bracket) | |
4ddba79d | 2329 | { |
dc49cd76 SP |
2330 | size_t equal_offset = size, bracket_offset = size; |
2331 | ssize_t offset; | |
4ddba79d | 2332 | |
7a31cc0f | 2333 | contline: |
a6080a0a | 2334 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
2335 | && contents[offset] != '\n'; offset--) |
2336 | switch (contents[offset]) { | |
2337 | case '=': equal_offset = offset; break; | |
2338 | case ']': bracket_offset = offset; break; | |
2339 | } | |
7a31cc0f FL |
2340 | if (offset > 0 && contents[offset-1] == '\\') { |
2341 | offset_ = offset; | |
2342 | goto contline; | |
2343 | } | |
4ddba79d JS |
2344 | if (bracket_offset < equal_offset) { |
2345 | *found_bracket = 1; | |
2346 | offset = bracket_offset+1; | |
2347 | } else | |
2348 | offset++; | |
2349 | ||
2350 | return offset; | |
2351 | } | |
2352 | ||
30598ad0 PS |
2353 | int git_config_set_in_file_gently(const char *config_filename, |
2354 | const char *key, const char *value) | |
5ec31182 | 2355 | { |
30598ad0 | 2356 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
2357 | } |
2358 | ||
3d180648 PS |
2359 | void git_config_set_in_file(const char *config_filename, |
2360 | const char *key, const char *value) | |
10bea152 | 2361 | { |
3d180648 | 2362 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
2363 | } |
2364 | ||
30598ad0 | 2365 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 2366 | { |
30598ad0 | 2367 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
2368 | } |
2369 | ||
3d180648 | 2370 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 2371 | { |
3d180648 | 2372 | git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
2373 | } |
2374 | ||
2375 | /* | |
2376 | * If value==NULL, unset in (remove from) config, | |
2377 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
c1063be2 JK |
2378 | * if value_regex==CONFIG_REGEX_NONE, do not match any existing values |
2379 | * (only add a new one) | |
4ddba79d JS |
2380 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
2381 | * else all matching key/values (regardless how many) are removed, | |
2382 | * before the new pair is written. | |
10bea152 JS |
2383 | * |
2384 | * Returns 0 on success. | |
2385 | * | |
2386 | * This function does this: | |
2387 | * | |
2388 | * - it locks the config file by creating ".git/config.lock" | |
2389 | * | |
2390 | * - it then parses the config using store_aux() as validator to find | |
2391 | * the position on the key/value pair to replace. If it is to be unset, | |
2392 | * it must be found exactly once. | |
2393 | * | |
2394 | * - the config file is mmap()ed and the part before the match (if any) is | |
2395 | * written to the lock file, then the changed part and the rest. | |
2396 | * | |
2397 | * - the config file is removed and the lock file rename()d to it. | |
2398 | * | |
2399 | */ | |
30598ad0 PS |
2400 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
2401 | const char *key, const char *value, | |
2402 | const char *value_regex, | |
2403 | int multi_replace) | |
10bea152 | 2404 | { |
54d160ec | 2405 | int fd = -1, in_fd = -1; |
dafc88b1 | 2406 | int ret; |
6cbf973c | 2407 | struct lock_file *lock = NULL; |
0a5f5759 | 2408 | char *filename_buf = NULL; |
3a1b3126 JK |
2409 | char *contents = NULL; |
2410 | size_t contents_sz; | |
4ddba79d | 2411 | |
b09c53a3 LP |
2412 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
2413 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
2414 | if (ret) | |
dafc88b1 | 2415 | goto out_free; |
b17e659d JS |
2416 | |
2417 | store.multi_replace = multi_replace; | |
10bea152 | 2418 | |
0a5f5759 JK |
2419 | if (!config_filename) |
2420 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
2421 | |
2422 | /* | |
6cbf973c | 2423 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
2424 | * contents of .git/config will be written into it. |
2425 | */ | |
f1064f6b | 2426 | lock = xcalloc(1, sizeof(struct lock_file)); |
6cbf973c BS |
2427 | fd = hold_lock_file_for_update(lock, config_filename, 0); |
2428 | if (fd < 0) { | |
f0658ec9 | 2429 | error_errno("could not lock config file %s", config_filename); |
10bea152 | 2430 | free(store.key); |
7a397419 | 2431 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 2432 | goto out_free; |
10bea152 JS |
2433 | } |
2434 | ||
2435 | /* | |
2436 | * If .git/config does not exist yet, write a minimal version. | |
2437 | */ | |
88fb958b AR |
2438 | in_fd = open(config_filename, O_RDONLY); |
2439 | if ( in_fd < 0 ) { | |
10bea152 JS |
2440 | free(store.key); |
2441 | ||
88fb958b | 2442 | if ( ENOENT != errno ) { |
f0658ec9 | 2443 | error_errno("opening %s", config_filename); |
7a397419 | 2444 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 2445 | goto out_free; |
88fb958b | 2446 | } |
10bea152 JS |
2447 | /* if nothing to unset, error out */ |
2448 | if (value == NULL) { | |
7a397419 | 2449 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2450 | goto out_free; |
10bea152 JS |
2451 | } |
2452 | ||
4b25d091 | 2453 | store.key = (char *)key; |
480c9e52 | 2454 | if (!store_write_section(fd, key) || |
93c1e079 JH |
2455 | !store_write_pair(fd, key, value)) |
2456 | goto write_err_out; | |
2457 | } else { | |
88fb958b | 2458 | struct stat st; |
3a1b3126 | 2459 | size_t copy_begin, copy_end; |
dc49cd76 | 2460 | int i, new_line = 0; |
10bea152 JS |
2461 | |
2462 | if (value_regex == NULL) | |
2463 | store.value_regex = NULL; | |
c1063be2 JK |
2464 | else if (value_regex == CONFIG_REGEX_NONE) |
2465 | store.value_regex = CONFIG_REGEX_NONE; | |
10bea152 | 2466 | else { |
f98d863d JS |
2467 | if (value_regex[0] == '!') { |
2468 | store.do_not_match = 1; | |
2469 | value_regex++; | |
2470 | } else | |
2471 | store.do_not_match = 0; | |
2472 | ||
2d7320d0 | 2473 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
2474 | if (regcomp(store.value_regex, value_regex, |
2475 | REG_EXTENDED)) { | |
64c0d71c | 2476 | error("invalid pattern: %s", value_regex); |
10bea152 | 2477 | free(store.value_regex); |
7a397419 | 2478 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2479 | goto out_free; |
10bea152 JS |
2480 | } |
2481 | } | |
2482 | ||
83786fa4 | 2483 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 2484 | store.offset[0] = 0; |
10bea152 JS |
2485 | store.state = START; |
2486 | store.seen = 0; | |
2487 | ||
2488 | /* | |
2489 | * After this, store.offset will contain the *end* offset | |
2490 | * of the last match, or remain at 0 if no match was found. | |
2491 | * As a side effect, we make sure to transform only a valid | |
2492 | * existing config file. | |
2493 | */ | |
ef90d6d4 | 2494 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 2495 | error("invalid config file %s", config_filename); |
10bea152 | 2496 | free(store.key); |
c1063be2 JK |
2497 | if (store.value_regex != NULL && |
2498 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2499 | regfree(store.value_regex); |
2500 | free(store.value_regex); | |
2501 | } | |
7a397419 | 2502 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 2503 | goto out_free; |
10bea152 JS |
2504 | } |
2505 | ||
2506 | free(store.key); | |
c1063be2 JK |
2507 | if (store.value_regex != NULL && |
2508 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2509 | regfree(store.value_regex); |
2510 | free(store.value_regex); | |
2511 | } | |
2512 | ||
4ddba79d JS |
2513 | /* if nothing to unset, or too many matches, error out */ |
2514 | if ((store.seen == 0 && value == NULL) || | |
2515 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 2516 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2517 | goto out_free; |
10bea152 JS |
2518 | } |
2519 | ||
29647d79 NTND |
2520 | if (fstat(in_fd, &st) == -1) { |
2521 | error_errno(_("fstat on %s failed"), config_filename); | |
2522 | ret = CONFIG_INVALID_FILE; | |
2523 | goto out_free; | |
2524 | } | |
2525 | ||
dc49cd76 | 2526 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
2527 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
2528 | MAP_PRIVATE, in_fd, 0); | |
2529 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
2530 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
2531 | errno = EISDIR; | |
f0658ec9 | 2532 | error_errno("unable to mmap '%s'", config_filename); |
1570856b JK |
2533 | ret = CONFIG_INVALID_FILE; |
2534 | contents = NULL; | |
2535 | goto out_free; | |
2536 | } | |
10bea152 | 2537 | close(in_fd); |
54d160ec | 2538 | in_fd = -1; |
10bea152 | 2539 | |
b4fb09e4 | 2540 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 | 2541 | error_errno("chmod on %s failed", get_lock_file_path(lock)); |
daa22c6f EW |
2542 | ret = CONFIG_NO_WRITE; |
2543 | goto out_free; | |
2544 | } | |
2545 | ||
4ddba79d JS |
2546 | if (store.seen == 0) |
2547 | store.seen = 1; | |
2548 | ||
2549 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
2550 | if (store.offset[i] == 0) { | |
dc49cd76 | 2551 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
2552 | } else if (store.state != KEY_SEEN) { |
2553 | copy_end = store.offset[i]; | |
10bea152 | 2554 | } else |
4ddba79d | 2555 | copy_end = find_beginning_of_line( |
dc49cd76 | 2556 | contents, contents_sz, |
4ddba79d JS |
2557 | store.offset[i]-2, &new_line); |
2558 | ||
02e5ba4a JK |
2559 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
2560 | new_line = 1; | |
2561 | ||
4ddba79d JS |
2562 | /* write the first part of the config */ |
2563 | if (copy_end > copy_begin) { | |
93c1e079 JH |
2564 | if (write_in_full(fd, contents + copy_begin, |
2565 | copy_end - copy_begin) < | |
2566 | copy_end - copy_begin) | |
2567 | goto write_err_out; | |
2568 | if (new_line && | |
2b7ca830 | 2569 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 2570 | goto write_err_out; |
4ddba79d JS |
2571 | } |
2572 | copy_begin = store.offset[i]; | |
10bea152 JS |
2573 | } |
2574 | ||
10bea152 JS |
2575 | /* write the pair (value == NULL means unset) */ |
2576 | if (value != NULL) { | |
93c1e079 JH |
2577 | if (store.state == START) { |
2578 | if (!store_write_section(fd, key)) | |
2579 | goto write_err_out; | |
480c9e52 | 2580 | } |
93c1e079 JH |
2581 | if (!store_write_pair(fd, key, value)) |
2582 | goto write_err_out; | |
10bea152 JS |
2583 | } |
2584 | ||
2585 | /* write the rest of the config */ | |
dc49cd76 | 2586 | if (copy_begin < contents_sz) |
93c1e079 | 2587 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
2588 | contents_sz - copy_begin) < |
2589 | contents_sz - copy_begin) | |
93c1e079 | 2590 | goto write_err_out; |
7a64592c KB |
2591 | |
2592 | munmap(contents, contents_sz); | |
2593 | contents = NULL; | |
10bea152 JS |
2594 | } |
2595 | ||
4ed7cd3a | 2596 | if (commit_lock_file(lock) < 0) { |
f0658ec9 | 2597 | error_errno("could not write config file %s", config_filename); |
7a397419 | 2598 | ret = CONFIG_NO_WRITE; |
e831855e | 2599 | lock = NULL; |
dafc88b1 | 2600 | goto out_free; |
10bea152 JS |
2601 | } |
2602 | ||
6cbf973c BS |
2603 | /* |
2604 | * lock is committed, so don't try to roll it back below. | |
2605 | * NOTE: Since lockfile.c keeps a linked list of all created | |
2606 | * lock_file structures, it isn't safe to free(lock). It's | |
2607 | * better to just leave it hanging around. | |
2608 | */ | |
2609 | lock = NULL; | |
dafc88b1 SH |
2610 | ret = 0; |
2611 | ||
3c8687a7 TA |
2612 | /* Invalidate the config cache */ |
2613 | git_config_clear(); | |
2614 | ||
dafc88b1 | 2615 | out_free: |
6cbf973c BS |
2616 | if (lock) |
2617 | rollback_lock_file(lock); | |
0a5f5759 | 2618 | free(filename_buf); |
3a1b3126 JK |
2619 | if (contents) |
2620 | munmap(contents, contents_sz); | |
54d160ec SS |
2621 | if (in_fd >= 0) |
2622 | close(in_fd); | |
dafc88b1 | 2623 | return ret; |
93c1e079 JH |
2624 | |
2625 | write_err_out: | |
b4fb09e4 | 2626 | ret = write_error(get_lock_file_path(lock)); |
93c1e079 JH |
2627 | goto out_free; |
2628 | ||
10bea152 JS |
2629 | } |
2630 | ||
3d180648 PS |
2631 | void git_config_set_multivar_in_file(const char *config_filename, |
2632 | const char *key, const char *value, | |
2633 | const char *value_regex, int multi_replace) | |
b4c8aba6 | 2634 | { |
1cae428e JK |
2635 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
2636 | value_regex, multi_replace)) | |
2637 | return; | |
2638 | if (value) | |
8c3ca351 | 2639 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
2640 | else |
2641 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
2642 | } |
2643 | ||
30598ad0 PS |
2644 | int git_config_set_multivar_gently(const char *key, const char *value, |
2645 | const char *value_regex, int multi_replace) | |
5ec31182 | 2646 | { |
30598ad0 PS |
2647 | return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex, |
2648 | multi_replace); | |
5ec31182 RR |
2649 | } |
2650 | ||
3d180648 PS |
2651 | void git_config_set_multivar(const char *key, const char *value, |
2652 | const char *value_regex, int multi_replace) | |
5ec31182 | 2653 | { |
3d180648 PS |
2654 | git_config_set_multivar_in_file(NULL, key, value, value_regex, |
2655 | multi_replace); | |
5ec31182 RR |
2656 | } |
2657 | ||
118f8b24 PB |
2658 | static int section_name_match (const char *buf, const char *name) |
2659 | { | |
2660 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
2661 | if (buf[i] != '[') |
2662 | return 0; | |
2663 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
2664 | if (!dot && isspace(buf[i])) { |
2665 | dot = 1; | |
2666 | if (name[j++] != '.') | |
2667 | break; | |
2668 | for (i++; isspace(buf[i]); i++) | |
2669 | ; /* do nothing */ | |
2670 | if (buf[i] != '"') | |
2671 | break; | |
2672 | continue; | |
2673 | } | |
2674 | if (buf[i] == '\\' && dot) | |
2675 | i++; | |
2676 | else if (buf[i] == '"' && dot) { | |
2677 | for (i++; isspace(buf[i]); i++) | |
2678 | ; /* do_nothing */ | |
2679 | break; | |
2680 | } | |
2681 | if (buf[i] != name[j++]) | |
2682 | break; | |
2683 | } | |
a4c0d463 AV |
2684 | if (buf[i] == ']' && name[j] == 0) { |
2685 | /* | |
2686 | * We match, now just find the right length offset by | |
2687 | * gobbling up any whitespace after it, as well | |
2688 | */ | |
2689 | i++; | |
2690 | for (; buf[i] && isspace(buf[i]); i++) | |
2691 | ; /* do nothing */ | |
2692 | return i; | |
2693 | } | |
2694 | return 0; | |
118f8b24 PB |
2695 | } |
2696 | ||
94a35b1a JK |
2697 | static int section_name_is_ok(const char *name) |
2698 | { | |
2699 | /* Empty section names are bogus. */ | |
2700 | if (!*name) | |
2701 | return 0; | |
2702 | ||
2703 | /* | |
2704 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
2705 | * anything goes, so we can stop checking. | |
2706 | */ | |
2707 | for (; *name && *name != '.'; name++) | |
2708 | if (*name != '-' && !isalnum(*name)) | |
2709 | return 0; | |
2710 | return 1; | |
2711 | } | |
2712 | ||
118f8b24 | 2713 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
2714 | int git_config_rename_section_in_file(const char *config_filename, |
2715 | const char *old_name, const char *new_name) | |
0667fcfb | 2716 | { |
118f8b24 | 2717 | int ret = 0, remove = 0; |
42bd39b5 | 2718 | char *filename_buf = NULL; |
94a35b1a | 2719 | struct lock_file *lock; |
0667fcfb JS |
2720 | int out_fd; |
2721 | char buf[1024]; | |
4db7dbdb | 2722 | FILE *config_file = NULL; |
daa22c6f | 2723 | struct stat st; |
0667fcfb | 2724 | |
94a35b1a JK |
2725 | if (new_name && !section_name_is_ok(new_name)) { |
2726 | ret = error("invalid section name: %s", new_name); | |
c06fa62d | 2727 | goto out_no_rollback; |
94a35b1a JK |
2728 | } |
2729 | ||
42bd39b5 JK |
2730 | if (!config_filename) |
2731 | config_filename = filename_buf = git_pathdup("config"); | |
2732 | ||
f1064f6b | 2733 | lock = xcalloc(1, sizeof(struct lock_file)); |
0667fcfb | 2734 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 2735 | if (out_fd < 0) { |
64c0d71c | 2736 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
2737 | goto out; |
2738 | } | |
0667fcfb | 2739 | |
fc1905bb | 2740 | if (!(config_file = fopen(config_filename, "rb"))) { |
11dc1fcb NTND |
2741 | ret = warn_on_fopen_errors(config_filename); |
2742 | if (ret) | |
2743 | goto out; | |
01ebb9dc | 2744 | /* no config file means nothing to rename, no error */ |
6e45b43f | 2745 | goto commit_and_out; |
fc1905bb | 2746 | } |
0667fcfb | 2747 | |
29647d79 NTND |
2748 | if (fstat(fileno(config_file), &st) == -1) { |
2749 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
2750 | goto out; | |
2751 | } | |
daa22c6f | 2752 | |
b4fb09e4 | 2753 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 NTND |
2754 | ret = error_errno("chmod on %s failed", |
2755 | get_lock_file_path(lock)); | |
daa22c6f EW |
2756 | goto out; |
2757 | } | |
2758 | ||
0667fcfb JS |
2759 | while (fgets(buf, sizeof(buf), config_file)) { |
2760 | int i; | |
480c9e52 | 2761 | int length; |
9a5abfc7 | 2762 | char *output = buf; |
0667fcfb JS |
2763 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
2764 | ; /* do nothing */ | |
2765 | if (buf[i] == '[') { | |
2766 | /* it's a section */ | |
a4c0d463 AV |
2767 | int offset = section_name_match(&buf[i], old_name); |
2768 | if (offset > 0) { | |
118f8b24 PB |
2769 | ret++; |
2770 | if (new_name == NULL) { | |
2771 | remove = 1; | |
0667fcfb JS |
2772 | continue; |
2773 | } | |
0667fcfb | 2774 | store.baselen = strlen(new_name); |
480c9e52 | 2775 | if (!store_write_section(out_fd, new_name)) { |
b4fb09e4 | 2776 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2777 | goto out; |
2778 | } | |
9a5abfc7 AV |
2779 | /* |
2780 | * We wrote out the new section, with | |
2781 | * a newline, now skip the old | |
2782 | * section's length | |
2783 | */ | |
2784 | output += offset + i; | |
2785 | if (strlen(output) > 0) { | |
2786 | /* | |
2787 | * More content means there's | |
2788 | * a declaration to put on the | |
2789 | * next line; indent with a | |
2790 | * tab | |
2791 | */ | |
2792 | output -= 1; | |
2793 | output[0] = '\t'; | |
2794 | } | |
0667fcfb | 2795 | } |
118f8b24 | 2796 | remove = 0; |
0667fcfb | 2797 | } |
118f8b24 PB |
2798 | if (remove) |
2799 | continue; | |
9a5abfc7 AV |
2800 | length = strlen(output); |
2801 | if (write_in_full(out_fd, output, length) != length) { | |
b4fb09e4 | 2802 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2803 | goto out; |
2804 | } | |
0667fcfb | 2805 | } |
fc1905bb | 2806 | fclose(config_file); |
4db7dbdb | 2807 | config_file = NULL; |
6e45b43f | 2808 | commit_and_out: |
4ed7cd3a | 2809 | if (commit_lock_file(lock) < 0) |
f0658ec9 NTND |
2810 | ret = error_errno("could not write config file %s", |
2811 | config_filename); | |
8b590075 | 2812 | out: |
4db7dbdb JS |
2813 | if (config_file) |
2814 | fclose(config_file); | |
c06fa62d NTND |
2815 | rollback_lock_file(lock); |
2816 | out_no_rollback: | |
42bd39b5 | 2817 | free(filename_buf); |
0667fcfb JS |
2818 | return ret; |
2819 | } | |
40ea4ed9 | 2820 | |
42bd39b5 JK |
2821 | int git_config_rename_section(const char *old_name, const char *new_name) |
2822 | { | |
4a7bb5ba | 2823 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
2824 | } |
2825 | ||
40ea4ed9 JH |
2826 | /* |
2827 | * Call this to report error for your variable that should not | |
2828 | * get a boolean value (i.e. "[my] var" means "true"). | |
2829 | */ | |
a469a101 | 2830 | #undef config_error_nonbool |
40ea4ed9 JH |
2831 | int config_error_nonbool(const char *var) |
2832 | { | |
8c3ca351 | 2833 | return error("missing value for '%s'", var); |
40ea4ed9 | 2834 | } |
1b86bbb0 JK |
2835 | |
2836 | int parse_config_key(const char *var, | |
2837 | const char *section, | |
2838 | const char **subsection, int *subsection_len, | |
2839 | const char **key) | |
2840 | { | |
1b86bbb0 JK |
2841 | const char *dot; |
2842 | ||
2843 | /* Does it start with "section." ? */ | |
e3394fdc | 2844 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
2845 | return -1; |
2846 | ||
2847 | /* | |
2848 | * Find the key; we don't know yet if we have a subsection, but we must | |
2849 | * parse backwards from the end, since the subsection may have dots in | |
2850 | * it, too. | |
2851 | */ | |
2852 | dot = strrchr(var, '.'); | |
2853 | *key = dot + 1; | |
2854 | ||
2855 | /* Did we have a subsection at all? */ | |
e3394fdc | 2856 | if (dot == var) { |
48f8d9f7 JK |
2857 | if (subsection) { |
2858 | *subsection = NULL; | |
2859 | *subsection_len = 0; | |
2860 | } | |
1b86bbb0 JK |
2861 | } |
2862 | else { | |
48f8d9f7 JK |
2863 | if (!subsection) |
2864 | return -1; | |
e3394fdc | 2865 | *subsection = var + 1; |
1b86bbb0 JK |
2866 | *subsection_len = dot - *subsection; |
2867 | } | |
2868 | ||
2869 | return 0; | |
2870 | } | |
473166b9 LS |
2871 | |
2872 | const char *current_config_origin_type(void) | |
2873 | { | |
1b8132d9 | 2874 | int type; |
0d44a2da JK |
2875 | if (current_config_kvi) |
2876 | type = current_config_kvi->origin_type; | |
2877 | else if(cf) | |
2878 | type = cf->origin_type; | |
2879 | else | |
3258258f | 2880 | die("BUG: current_config_origin_type called outside config callback"); |
1b8132d9 VA |
2881 | |
2882 | switch (type) { | |
2883 | case CONFIG_ORIGIN_BLOB: | |
2884 | return "blob"; | |
2885 | case CONFIG_ORIGIN_FILE: | |
2886 | return "file"; | |
2887 | case CONFIG_ORIGIN_STDIN: | |
2888 | return "standard input"; | |
2889 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
2890 | return "submodule-blob"; | |
2891 | case CONFIG_ORIGIN_CMDLINE: | |
2892 | return "command line"; | |
2893 | default: | |
2894 | die("BUG: unknown config origin type"); | |
2895 | } | |
473166b9 LS |
2896 | } |
2897 | ||
2898 | const char *current_config_name(void) | |
2899 | { | |
0d44a2da JK |
2900 | const char *name; |
2901 | if (current_config_kvi) | |
2902 | name = current_config_kvi->filename; | |
2903 | else if (cf) | |
2904 | name = cf->name; | |
2905 | else | |
3258258f | 2906 | die("BUG: current_config_name called outside config callback"); |
0d44a2da | 2907 | return name ? name : ""; |
473166b9 | 2908 | } |
9acc5911 JK |
2909 | |
2910 | enum config_scope current_config_scope(void) | |
2911 | { | |
2912 | if (current_config_kvi) | |
2913 | return current_config_kvi->scope; | |
2914 | else | |
2915 | return current_parsing_scope; | |
473166b9 | 2916 | } |