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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" |
e730b81d | 9 | #include "branch.h" |
b2141fc1 | 10 | #include "config.h" |
3b256228 | 11 | #include "repository.h" |
697cc8ef | 12 | #include "lockfile.h" |
d807c4a0 | 13 | #include "exec-cmd.h" |
572e4f6a | 14 | #include "strbuf.h" |
2b64fc89 | 15 | #include "quote.h" |
3c8687a7 TA |
16 | #include "hashmap.h" |
17 | #include "string-list.h" | |
cbd53a21 | 18 | #include "object-store.h" |
599446dc | 19 | #include "utf8.h" |
3efd0bed | 20 | #include "dir.h" |
6d2f9acc | 21 | #include "color.h" |
07b2c0ea | 22 | #include "refs.h" |
17712991 | 23 | |
4d8dd149 HV |
24 | struct config_source { |
25 | struct config_source *prev; | |
26 | union { | |
27 | FILE *file; | |
1bc88819 HV |
28 | struct config_buf { |
29 | const char *buf; | |
30 | size_t len; | |
31 | size_t pos; | |
32 | } buf; | |
4d8dd149 | 33 | } u; |
1b8132d9 | 34 | enum config_origin_type origin_type; |
924aaf3e | 35 | const char *name; |
d14d4244 | 36 | const char *path; |
66f97228 | 37 | enum config_error_action default_error_action; |
924aaf3e RJ |
38 | int linenr; |
39 | int eof; | |
348482de | 40 | size_t total_len; |
924aaf3e | 41 | struct strbuf value; |
0971e992 | 42 | struct strbuf var; |
2d84f13d | 43 | unsigned subsection_case_sensitive : 1; |
924aaf3e | 44 | |
49d6cfa5 JK |
45 | int (*do_fgetc)(struct config_source *c); |
46 | int (*do_ungetc)(int c, struct config_source *conf); | |
47 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
48 | }; |
49 | ||
0d44a2da JK |
50 | /* |
51 | * These variables record the "current" config source, which | |
52 | * can be accessed by parsing callbacks. | |
53 | * | |
54 | * The "cf" variable will be non-NULL only when we are actually parsing a real | |
55 | * config source (file, blob, cmdline, etc). | |
56 | * | |
57 | * The "current_config_kvi" variable will be non-NULL only when we are feeding | |
58 | * cached config from a configset into a callback. | |
59 | * | |
60 | * They should generally never be non-NULL at the same time. If they are both | |
61 | * NULL, then we aren't parsing anything (and depending on the function looking | |
62 | * at the variables, it's either a bug for it to be called in the first place, | |
63 | * or it's a function which can be reused for non-config purposes, and should | |
64 | * fall back to some sane behavior). | |
65 | */ | |
4d8dd149 | 66 | static struct config_source *cf; |
0d44a2da | 67 | static struct key_value_info *current_config_kvi; |
924aaf3e | 68 | |
9acc5911 JK |
69 | /* |
70 | * Similar to the variables above, this gives access to the "scope" of the | |
71 | * current value (repo, global, etc). For cached values, it can be found via | |
72 | * the current_config_kvi as above. During parsing, the current value can be | |
73 | * found in this variable. It's not part of "cf" because it transcends a single | |
74 | * file (i.e., a file included from .git/config is still in "repo" scope). | |
75 | */ | |
76 | static enum config_scope current_parsing_scope; | |
924aaf3e | 77 | |
8de7eeb5 JH |
78 | static int core_compression_seen; |
79 | static int pack_compression_seen; | |
960ccca6 DH |
80 | static int zlib_compression_seen; |
81 | ||
4d8dd149 HV |
82 | static int config_file_fgetc(struct config_source *conf) |
83 | { | |
260d408e | 84 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
85 | } |
86 | ||
87 | static int config_file_ungetc(int c, struct config_source *conf) | |
88 | { | |
89 | return ungetc(c, conf->u.file); | |
90 | } | |
91 | ||
92 | static long config_file_ftell(struct config_source *conf) | |
93 | { | |
94 | return ftell(conf->u.file); | |
95 | } | |
96 | ||
1bc88819 HV |
97 | |
98 | static int config_buf_fgetc(struct config_source *conf) | |
99 | { | |
100 | if (conf->u.buf.pos < conf->u.buf.len) | |
101 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
102 | ||
103 | return EOF; | |
104 | } | |
105 | ||
106 | static int config_buf_ungetc(int c, struct config_source *conf) | |
107 | { | |
1d0655c1 JK |
108 | if (conf->u.buf.pos > 0) { |
109 | conf->u.buf.pos--; | |
110 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
033abf97 | 111 | BUG("config_buf can only ungetc the same character"); |
1d0655c1 JK |
112 | return c; |
113 | } | |
1bc88819 HV |
114 | |
115 | return EOF; | |
116 | } | |
117 | ||
118 | static long config_buf_ftell(struct config_source *conf) | |
119 | { | |
120 | return conf->u.buf.pos; | |
121 | } | |
122 | ||
9b25a0b5 | 123 | #define MAX_INCLUDE_DEPTH 10 |
a769bfc7 | 124 | static const char include_depth_advice[] = N_( |
9b25a0b5 JK |
125 | "exceeded maximum include depth (%d) while including\n" |
126 | " %s\n" | |
127 | "from\n" | |
128 | " %s\n" | |
27c929ed | 129 | "This might be due to circular includes."); |
9b25a0b5 JK |
130 | static int handle_path_include(const char *path, struct config_include_data *inc) |
131 | { | |
132 | int ret = 0; | |
133 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 134 | char *expanded; |
4c0a89fc | 135 | |
67beb600 JK |
136 | if (!path) |
137 | return config_error_nonbool("include.path"); | |
138 | ||
4aad2f16 | 139 | expanded = expand_user_path(path, 0); |
4c0a89fc | 140 | if (!expanded) |
a769bfc7 | 141 | return error(_("could not expand include path '%s'"), path); |
4c0a89fc | 142 | path = expanded; |
9b25a0b5 JK |
143 | |
144 | /* | |
145 | * Use an absolute path as-is, but interpret relative paths | |
146 | * based on the including config file. | |
147 | */ | |
148 | if (!is_absolute_path(path)) { | |
149 | char *slash; | |
150 | ||
d14d4244 | 151 | if (!cf || !cf->path) |
a769bfc7 | 152 | return error(_("relative config includes must come from files")); |
9b25a0b5 | 153 | |
d14d4244 | 154 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 155 | if (slash) |
d14d4244 | 156 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
157 | strbuf_addstr(&buf, path); |
158 | path = buf.buf; | |
159 | } | |
160 | ||
4698c8fe | 161 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 | 162 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
a769bfc7 | 163 | die(_(include_depth_advice), MAX_INCLUDE_DEPTH, path, |
3258258f JK |
164 | !cf ? "<unknown>" : |
165 | cf->name ? cf->name : | |
166 | "the command line"); | |
9b25a0b5 JK |
167 | ret = git_config_from_file(git_config_include, path, inc); |
168 | inc->depth--; | |
169 | } | |
170 | strbuf_release(&buf); | |
4c0a89fc | 171 | free(expanded); |
9b25a0b5 JK |
172 | return ret; |
173 | } | |
174 | ||
07b2c0ea DL |
175 | static void add_trailing_starstar_for_dir(struct strbuf *pat) |
176 | { | |
177 | if (pat->len && is_dir_sep(pat->buf[pat->len - 1])) | |
178 | strbuf_addstr(pat, "**"); | |
179 | } | |
180 | ||
3efd0bed NTND |
181 | static int prepare_include_condition_pattern(struct strbuf *pat) |
182 | { | |
183 | struct strbuf path = STRBUF_INIT; | |
184 | char *expanded; | |
185 | int prefix = 0; | |
186 | ||
86f95157 | 187 | expanded = expand_user_path(pat->buf, 1); |
3efd0bed NTND |
188 | if (expanded) { |
189 | strbuf_reset(pat); | |
190 | strbuf_addstr(pat, expanded); | |
191 | free(expanded); | |
192 | } | |
193 | ||
194 | if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) { | |
195 | const char *slash; | |
196 | ||
197 | if (!cf || !cf->path) | |
198 | return error(_("relative config include " | |
199 | "conditionals must come from files")); | |
200 | ||
86f95157 | 201 | strbuf_realpath(&path, cf->path, 1); |
3efd0bed NTND |
202 | slash = find_last_dir_sep(path.buf); |
203 | if (!slash) | |
033abf97 | 204 | BUG("how is this possible?"); |
3efd0bed NTND |
205 | strbuf_splice(pat, 0, 1, path.buf, slash - path.buf); |
206 | prefix = slash - path.buf + 1 /* slash */; | |
207 | } else if (!is_absolute_path(pat->buf)) | |
a91cc7fa | 208 | strbuf_insertstr(pat, 0, "**/"); |
3efd0bed | 209 | |
07b2c0ea | 210 | add_trailing_starstar_for_dir(pat); |
3efd0bed NTND |
211 | |
212 | strbuf_release(&path); | |
213 | return prefix; | |
214 | } | |
215 | ||
2185fde5 NTND |
216 | static int include_by_gitdir(const struct config_options *opts, |
217 | const char *cond, size_t cond_len, int icase) | |
3efd0bed NTND |
218 | { |
219 | struct strbuf text = STRBUF_INIT; | |
220 | struct strbuf pattern = STRBUF_INIT; | |
221 | int ret = 0, prefix; | |
2185fde5 | 222 | const char *git_dir; |
0624c63c | 223 | int already_tried_absolute = 0; |
3efd0bed | 224 | |
2185fde5 NTND |
225 | if (opts->git_dir) |
226 | git_dir = opts->git_dir; | |
2185fde5 NTND |
227 | else |
228 | goto done; | |
229 | ||
c9672ba4 | 230 | strbuf_realpath(&text, git_dir, 1); |
3efd0bed NTND |
231 | strbuf_add(&pattern, cond, cond_len); |
232 | prefix = prepare_include_condition_pattern(&pattern); | |
233 | ||
0624c63c | 234 | again: |
3efd0bed NTND |
235 | if (prefix < 0) |
236 | goto done; | |
237 | ||
238 | if (prefix > 0) { | |
239 | /* | |
240 | * perform literal matching on the prefix part so that | |
241 | * any wildcard character in it can't create side effects. | |
242 | */ | |
243 | if (text.len < prefix) | |
244 | goto done; | |
245 | if (!icase && strncmp(pattern.buf, text.buf, prefix)) | |
246 | goto done; | |
247 | if (icase && strncasecmp(pattern.buf, text.buf, prefix)) | |
248 | goto done; | |
249 | } | |
250 | ||
251 | ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, | |
19e7fdaa | 252 | WM_PATHNAME | (icase ? WM_CASEFOLD : 0)); |
3efd0bed | 253 | |
0624c63c ÆAB |
254 | if (!ret && !already_tried_absolute) { |
255 | /* | |
256 | * We've tried e.g. matching gitdir:~/work, but if | |
257 | * ~/work is a symlink to /mnt/storage/work | |
258 | * strbuf_realpath() will expand it, so the rule won't | |
259 | * match. Let's match against a | |
260 | * strbuf_add_absolute_path() version of the path, | |
261 | * which'll do the right thing | |
262 | */ | |
263 | strbuf_reset(&text); | |
264 | strbuf_add_absolute_path(&text, git_dir); | |
265 | already_tried_absolute = 1; | |
266 | goto again; | |
267 | } | |
3efd0bed NTND |
268 | done: |
269 | strbuf_release(&pattern); | |
270 | strbuf_release(&text); | |
271 | return ret; | |
272 | } | |
273 | ||
07b2c0ea DL |
274 | static int include_by_branch(const char *cond, size_t cond_len) |
275 | { | |
276 | int flags; | |
277 | int ret; | |
278 | struct strbuf pattern = STRBUF_INIT; | |
22932d91 | 279 | const char *refname = !the_repository->gitdir ? |
85fe0e80 | 280 | NULL : resolve_ref_unsafe("HEAD", 0, NULL, &flags); |
07b2c0ea DL |
281 | const char *shortname; |
282 | ||
283 | if (!refname || !(flags & REF_ISSYMREF) || | |
284 | !skip_prefix(refname, "refs/heads/", &shortname)) | |
285 | return 0; | |
286 | ||
287 | strbuf_add(&pattern, cond, cond_len); | |
288 | add_trailing_starstar_for_dir(&pattern); | |
289 | ret = !wildmatch(pattern.buf, shortname, WM_PATHNAME); | |
290 | strbuf_release(&pattern); | |
291 | return ret; | |
292 | } | |
293 | ||
2185fde5 NTND |
294 | static int include_condition_is_true(const struct config_options *opts, |
295 | const char *cond, size_t cond_len) | |
3efd0bed NTND |
296 | { |
297 | ||
298 | if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len)) | |
2185fde5 | 299 | return include_by_gitdir(opts, cond, cond_len, 0); |
3efd0bed | 300 | else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len)) |
2185fde5 | 301 | return include_by_gitdir(opts, cond, cond_len, 1); |
07b2c0ea DL |
302 | else if (skip_prefix_mem(cond, cond_len, "onbranch:", &cond, &cond_len)) |
303 | return include_by_branch(cond, cond_len); | |
3efd0bed NTND |
304 | |
305 | /* unknown conditionals are always false */ | |
306 | return 0; | |
307 | } | |
308 | ||
9b25a0b5 JK |
309 | int git_config_include(const char *var, const char *value, void *data) |
310 | { | |
311 | struct config_include_data *inc = data; | |
3efd0bed | 312 | const char *cond, *key; |
f5914f4b | 313 | size_t cond_len; |
9b25a0b5 JK |
314 | int ret; |
315 | ||
316 | /* | |
317 | * Pass along all values, including "include" directives; this makes it | |
318 | * possible to query information on the includes themselves. | |
319 | */ | |
320 | ret = inc->fn(var, value, inc->data); | |
321 | if (ret < 0) | |
322 | return ret; | |
323 | ||
37007c3a | 324 | if (!strcmp(var, "include.path")) |
9b25a0b5 | 325 | ret = handle_path_include(value, inc); |
3efd0bed NTND |
326 | |
327 | if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) && | |
2185fde5 | 328 | (cond && include_condition_is_true(inc->opts, cond, cond_len)) && |
3efd0bed NTND |
329 | !strcmp(key, "path")) |
330 | ret = handle_path_include(value, inc); | |
331 | ||
9b25a0b5 JK |
332 | return ret; |
333 | } | |
334 | ||
2b64fc89 JK |
335 | void git_config_push_parameter(const char *text) |
336 | { | |
337 | struct strbuf env = STRBUF_INIT; | |
338 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 339 | if (old && *old) { |
2b64fc89 JK |
340 | strbuf_addstr(&env, old); |
341 | strbuf_addch(&env, ' '); | |
342 | } | |
343 | sq_quote_buf(&env, text); | |
344 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
345 | strbuf_release(&env); | |
346 | } | |
347 | ||
ee98df3f JH |
348 | static inline int iskeychar(int c) |
349 | { | |
350 | return isalnum(c) || c == '-'; | |
351 | } | |
352 | ||
353 | /* | |
354 | * Auxiliary function to sanity-check and split the key into the section | |
355 | * identifier and variable name. | |
356 | * | |
357 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
358 | * -2 if there is no section name in the key. | |
359 | * | |
360 | * store_key - pointer to char* which will hold a copy of the key with | |
361 | * lowercase section and variable name | |
f011a965 | 362 | * baselen - pointer to size_t which will hold the length of the |
ee98df3f JH |
363 | * section + subsection part, can be NULL |
364 | */ | |
f011a965 | 365 | static int git_config_parse_key_1(const char *key, char **store_key, size_t *baselen_, int quiet) |
ee98df3f | 366 | { |
f011a965 JK |
367 | size_t i, baselen; |
368 | int dot; | |
ee98df3f JH |
369 | const char *last_dot = strrchr(key, '.'); |
370 | ||
371 | /* | |
372 | * Since "key" actually contains the section name and the real | |
373 | * key name separated by a dot, we have to know where the dot is. | |
374 | */ | |
375 | ||
376 | if (last_dot == NULL || last_dot == key) { | |
377 | if (!quiet) | |
a769bfc7 | 378 | error(_("key does not contain a section: %s"), key); |
ee98df3f JH |
379 | return -CONFIG_NO_SECTION_OR_NAME; |
380 | } | |
381 | ||
382 | if (!last_dot[1]) { | |
383 | if (!quiet) | |
a769bfc7 | 384 | error(_("key does not contain variable name: %s"), key); |
ee98df3f JH |
385 | return -CONFIG_NO_SECTION_OR_NAME; |
386 | } | |
387 | ||
388 | baselen = last_dot - key; | |
389 | if (baselen_) | |
390 | *baselen_ = baselen; | |
391 | ||
392 | /* | |
393 | * Validate the key and while at it, lower case it for matching. | |
394 | */ | |
395 | if (store_key) | |
396 | *store_key = xmallocz(strlen(key)); | |
397 | ||
398 | dot = 0; | |
399 | for (i = 0; key[i]; i++) { | |
400 | unsigned char c = key[i]; | |
401 | if (c == '.') | |
402 | dot = 1; | |
403 | /* Leave the extended basename untouched.. */ | |
404 | if (!dot || i > baselen) { | |
405 | if (!iskeychar(c) || | |
406 | (i == baselen + 1 && !isalpha(c))) { | |
407 | if (!quiet) | |
a769bfc7 | 408 | error(_("invalid key: %s"), key); |
ee98df3f JH |
409 | goto out_free_ret_1; |
410 | } | |
411 | c = tolower(c); | |
412 | } else if (c == '\n') { | |
413 | if (!quiet) | |
a769bfc7 | 414 | error(_("invalid key (newline): %s"), key); |
ee98df3f JH |
415 | goto out_free_ret_1; |
416 | } | |
417 | if (store_key) | |
418 | (*store_key)[i] = c; | |
419 | } | |
420 | ||
421 | return 0; | |
422 | ||
423 | out_free_ret_1: | |
424 | if (store_key) { | |
6a83d902 | 425 | FREE_AND_NULL(*store_key); |
ee98df3f JH |
426 | } |
427 | return -CONFIG_INVALID_KEY; | |
428 | } | |
429 | ||
f011a965 | 430 | int git_config_parse_key(const char *key, char **store_key, size_t *baselen) |
ee98df3f JH |
431 | { |
432 | return git_config_parse_key_1(key, store_key, baselen, 0); | |
433 | } | |
434 | ||
435 | int git_config_key_is_valid(const char *key) | |
436 | { | |
437 | return !git_config_parse_key_1(key, NULL, NULL, 1); | |
438 | } | |
439 | ||
2496844b JK |
440 | int git_config_parse_parameter(const char *text, |
441 | config_fn_t fn, void *data) | |
8b1fa778 | 442 | { |
a789ca70 | 443 | const char *value; |
1274a155 | 444 | char *canonical_name; |
572e4f6a | 445 | struct strbuf **pair; |
1274a155 | 446 | int ret; |
a789ca70 | 447 | |
f77bccae | 448 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b | 449 | if (!pair[0]) |
a769bfc7 | 450 | return error(_("bogus config parameter: %s"), text); |
a789ca70 JH |
451 | |
452 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 453 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
454 | value = pair[1] ? pair[1]->buf : ""; |
455 | } else { | |
456 | value = NULL; | |
457 | } | |
458 | ||
572e4f6a AR |
459 | strbuf_trim(pair[0]); |
460 | if (!pair[0]->len) { | |
461 | strbuf_list_free(pair); | |
a769bfc7 | 462 | return error(_("bogus config parameter: %s"), text); |
8b1fa778 | 463 | } |
1274a155 JH |
464 | |
465 | if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) { | |
466 | ret = -1; | |
467 | } else { | |
468 | ret = (fn(canonical_name, value, data) < 0) ? -1 : 0; | |
469 | free(canonical_name); | |
572e4f6a AR |
470 | } |
471 | strbuf_list_free(pair); | |
1274a155 | 472 | return ret; |
8b1fa778 AR |
473 | } |
474 | ||
06eb708f JK |
475 | int git_config_from_parameters(config_fn_t fn, void *data) |
476 | { | |
2b64fc89 | 477 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
a77d6db6 | 478 | int ret = 0; |
2b64fc89 JK |
479 | char *envw; |
480 | const char **argv = NULL; | |
481 | int nr = 0, alloc = 0; | |
482 | int i; | |
3258258f | 483 | struct config_source source; |
2b64fc89 JK |
484 | |
485 | if (!env) | |
486 | return 0; | |
3258258f JK |
487 | |
488 | memset(&source, 0, sizeof(source)); | |
489 | source.prev = cf; | |
1b8132d9 | 490 | source.origin_type = CONFIG_ORIGIN_CMDLINE; |
3258258f JK |
491 | cf = &source; |
492 | ||
2b64fc89 JK |
493 | /* sq_dequote will write over it */ |
494 | envw = xstrdup(env); | |
495 | ||
496 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
a769bfc7 | 497 | ret = error(_("bogus format in %s"), CONFIG_DATA_ENVIRONMENT); |
a77d6db6 | 498 | goto out; |
2b64fc89 JK |
499 | } |
500 | ||
501 | for (i = 0; i < nr; i++) { | |
06eb708f | 502 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
a77d6db6 JK |
503 | ret = -1; |
504 | goto out; | |
2b64fc89 JK |
505 | } |
506 | } | |
507 | ||
a77d6db6 | 508 | out: |
2b64fc89 JK |
509 | free(argv); |
510 | free(envw); | |
3258258f | 511 | cf = source.prev; |
a77d6db6 | 512 | return ret; |
2b64fc89 JK |
513 | } |
514 | ||
17712991 LT |
515 | static int get_next_char(void) |
516 | { | |
49d6cfa5 | 517 | int c = cf->do_fgetc(cf); |
17712991 | 518 | |
dbb9a812 HV |
519 | if (c == '\r') { |
520 | /* DOS like systems */ | |
49d6cfa5 | 521 | c = cf->do_fgetc(cf); |
dbb9a812 | 522 | if (c != '\n') { |
5e0be134 JK |
523 | if (c != EOF) |
524 | cf->do_ungetc(c, cf); | |
dbb9a812 | 525 | c = '\r'; |
17712991 LT |
526 | } |
527 | } | |
348482de JK |
528 | |
529 | if (c != EOF && ++cf->total_len > INT_MAX) { | |
530 | /* | |
531 | * This is an absurdly long config file; refuse to parse | |
532 | * further in order to protect downstream code from integer | |
533 | * overflows. Note that we can't return an error specifically, | |
534 | * but we can mark EOF and put trash in the return value, | |
535 | * which will trigger a parse error. | |
536 | */ | |
537 | cf->eof = 1; | |
538 | return 0; | |
539 | } | |
540 | ||
dbb9a812 HV |
541 | if (c == '\n') |
542 | cf->linenr++; | |
543 | if (c == EOF) { | |
544 | cf->eof = 1; | |
b3b3f60b | 545 | cf->linenr++; |
dbb9a812 HV |
546 | c = '\n'; |
547 | } | |
17712991 LT |
548 | return c; |
549 | } | |
550 | ||
551 | static char *parse_value(void) | |
552 | { | |
e96c19c5 | 553 | int quote = 0, comment = 0, space = 0; |
17712991 | 554 | |
924aaf3e | 555 | strbuf_reset(&cf->value); |
17712991 LT |
556 | for (;;) { |
557 | int c = get_next_char(); | |
17712991 | 558 | if (c == '\n') { |
4b340593 MS |
559 | if (quote) { |
560 | cf->linenr--; | |
17712991 | 561 | return NULL; |
4b340593 | 562 | } |
924aaf3e | 563 | return cf->value.buf; |
17712991 LT |
564 | } |
565 | if (comment) | |
566 | continue; | |
567 | if (isspace(c) && !quote) { | |
924aaf3e | 568 | if (cf->value.len) |
ebdaae37 | 569 | space++; |
17712991 LT |
570 | continue; |
571 | } | |
7ebdba61 JS |
572 | if (!quote) { |
573 | if (c == ';' || c == '#') { | |
574 | comment = 1; | |
575 | continue; | |
576 | } | |
577 | } | |
ebdaae37 | 578 | for (; space; space--) |
924aaf3e | 579 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
580 | if (c == '\\') { |
581 | c = get_next_char(); | |
582 | switch (c) { | |
583 | case '\n': | |
584 | continue; | |
585 | case 't': | |
586 | c = '\t'; | |
587 | break; | |
588 | case 'b': | |
589 | c = '\b'; | |
590 | break; | |
591 | case 'n': | |
592 | c = '\n'; | |
593 | break; | |
5cbb401d LT |
594 | /* Some characters escape as themselves */ |
595 | case '\\': case '"': | |
596 | break; | |
597 | /* Reject unknown escape sequences */ | |
598 | default: | |
599 | return NULL; | |
17712991 | 600 | } |
924aaf3e | 601 | strbuf_addch(&cf->value, c); |
17712991 LT |
602 | continue; |
603 | } | |
604 | if (c == '"') { | |
605 | quote = 1-quote; | |
606 | continue; | |
607 | } | |
924aaf3e | 608 | strbuf_addch(&cf->value, c); |
17712991 LT |
609 | } |
610 | } | |
611 | ||
0971e992 | 612 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
613 | { |
614 | int c; | |
615 | char *value; | |
b3b3f60b | 616 | int ret; |
17712991 LT |
617 | |
618 | /* Get the full name */ | |
619 | for (;;) { | |
620 | c = get_next_char(); | |
924aaf3e | 621 | if (cf->eof) |
17712991 | 622 | break; |
38c5afa8 | 623 | if (!iskeychar(c)) |
17712991 | 624 | break; |
0971e992 | 625 | strbuf_addch(name, tolower(c)); |
17712991 | 626 | } |
0971e992 | 627 | |
17712991 LT |
628 | while (c == ' ' || c == '\t') |
629 | c = get_next_char(); | |
630 | ||
631 | value = NULL; | |
632 | if (c != '\n') { | |
633 | if (c != '=') | |
634 | return -1; | |
635 | value = parse_value(); | |
636 | if (!value) | |
637 | return -1; | |
638 | } | |
b3b3f60b MM |
639 | /* |
640 | * We already consumed the \n, but we need linenr to point to | |
641 | * the line we just parsed during the call to fn to get | |
642 | * accurate line number in error messages. | |
643 | */ | |
644 | cf->linenr--; | |
645 | ret = fn(name->buf, value, data); | |
e2e14251 JS |
646 | if (ret >= 0) |
647 | cf->linenr++; | |
b3b3f60b | 648 | return ret; |
17712991 LT |
649 | } |
650 | ||
0971e992 | 651 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 | 652 | { |
2d84f13d | 653 | cf->subsection_case_sensitive = 0; |
d14f7764 LT |
654 | do { |
655 | if (c == '\n') | |
4b340593 | 656 | goto error_incomplete_line; |
d14f7764 LT |
657 | c = get_next_char(); |
658 | } while (isspace(c)); | |
659 | ||
660 | /* We require the format to be '[base "extension"]' */ | |
661 | if (c != '"') | |
662 | return -1; | |
0971e992 | 663 | strbuf_addch(name, '.'); |
d14f7764 LT |
664 | |
665 | for (;;) { | |
666 | int c = get_next_char(); | |
667 | if (c == '\n') | |
4b340593 | 668 | goto error_incomplete_line; |
d14f7764 LT |
669 | if (c == '"') |
670 | break; | |
671 | if (c == '\\') { | |
672 | c = get_next_char(); | |
673 | if (c == '\n') | |
4b340593 | 674 | goto error_incomplete_line; |
d14f7764 | 675 | } |
0971e992 | 676 | strbuf_addch(name, c); |
d14f7764 LT |
677 | } |
678 | ||
679 | /* Final ']' */ | |
680 | if (get_next_char() != ']') | |
681 | return -1; | |
0971e992 | 682 | return 0; |
4b340593 MS |
683 | error_incomplete_line: |
684 | cf->linenr--; | |
685 | return -1; | |
d14f7764 LT |
686 | } |
687 | ||
0971e992 | 688 | static int get_base_var(struct strbuf *name) |
17712991 | 689 | { |
2d84f13d | 690 | cf->subsection_case_sensitive = 1; |
17712991 LT |
691 | for (;;) { |
692 | int c = get_next_char(); | |
924aaf3e | 693 | if (cf->eof) |
17712991 LT |
694 | return -1; |
695 | if (c == ']') | |
0971e992 | 696 | return 0; |
d14f7764 | 697 | if (isspace(c)) |
0971e992 | 698 | return get_extended_base_var(name, c); |
38c5afa8 | 699 | if (!iskeychar(c) && c != '.') |
17712991 | 700 | return -1; |
0971e992 | 701 | strbuf_addch(name, tolower(c)); |
17712991 LT |
702 | } |
703 | } | |
704 | ||
8032cc44 JS |
705 | struct parse_event_data { |
706 | enum config_event_t previous_type; | |
707 | size_t previous_offset; | |
708 | const struct config_options *opts; | |
709 | }; | |
710 | ||
711 | static int do_event(enum config_event_t type, struct parse_event_data *data) | |
712 | { | |
713 | size_t offset; | |
714 | ||
715 | if (!data->opts || !data->opts->event_fn) | |
716 | return 0; | |
717 | ||
718 | if (type == CONFIG_EVENT_WHITESPACE && | |
719 | data->previous_type == type) | |
720 | return 0; | |
721 | ||
722 | offset = cf->do_ftell(cf); | |
723 | /* | |
724 | * At EOF, the parser always "inserts" an extra '\n', therefore | |
725 | * the end offset of the event is the current file position, otherwise | |
726 | * we will already have advanced to the next event. | |
727 | */ | |
728 | if (type != CONFIG_EVENT_EOF) | |
729 | offset--; | |
730 | ||
731 | if (data->previous_type != CONFIG_EVENT_EOF && | |
732 | data->opts->event_fn(data->previous_type, data->previous_offset, | |
733 | offset, data->opts->event_fn_data) < 0) | |
734 | return -1; | |
735 | ||
736 | data->previous_type = type; | |
737 | data->previous_offset = offset; | |
738 | ||
739 | return 0; | |
740 | } | |
741 | ||
742 | static int git_parse_source(config_fn_t fn, void *data, | |
743 | const struct config_options *opts) | |
17712991 LT |
744 | { |
745 | int comment = 0; | |
6a9c235e | 746 | size_t baselen = 0; |
0971e992 | 747 | struct strbuf *var = &cf->var; |
1b8132d9 VA |
748 | int error_return = 0; |
749 | char *error_msg = NULL; | |
17712991 | 750 | |
de056402 | 751 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 752 | const char *bomptr = utf8_bom; |
de056402 | 753 | |
8032cc44 JS |
754 | /* For the parser event callback */ |
755 | struct parse_event_data event_data = { | |
756 | CONFIG_EVENT_EOF, 0, opts | |
757 | }; | |
758 | ||
17712991 | 759 | for (;;) { |
8032cc44 JS |
760 | int c; |
761 | ||
762 | c = get_next_char(); | |
de056402 PB |
763 | if (bomptr && *bomptr) { |
764 | /* We are at the file beginning; skip UTF8-encoded BOM | |
765 | * if present. Sane editors won't put this in on their | |
766 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 767 | if (c == (*bomptr & 0377)) { |
de056402 PB |
768 | bomptr++; |
769 | continue; | |
770 | } else { | |
771 | /* Do not tolerate partial BOM. */ | |
772 | if (bomptr != utf8_bom) | |
773 | break; | |
774 | /* No BOM at file beginning. Cool. */ | |
775 | bomptr = NULL; | |
776 | } | |
777 | } | |
17712991 | 778 | if (c == '\n') { |
8032cc44 JS |
779 | if (cf->eof) { |
780 | if (do_event(CONFIG_EVENT_EOF, &event_data) < 0) | |
781 | return -1; | |
17712991 | 782 | return 0; |
8032cc44 JS |
783 | } |
784 | if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0) | |
785 | return -1; | |
17712991 LT |
786 | comment = 0; |
787 | continue; | |
788 | } | |
8032cc44 | 789 | if (comment) |
17712991 | 790 | continue; |
8032cc44 JS |
791 | if (isspace(c)) { |
792 | if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0) | |
793 | return -1; | |
17712991 | 794 | continue; |
8032cc44 | 795 | } |
17712991 | 796 | if (c == '#' || c == ';') { |
8032cc44 JS |
797 | if (do_event(CONFIG_EVENT_COMMENT, &event_data) < 0) |
798 | return -1; | |
17712991 LT |
799 | comment = 1; |
800 | continue; | |
801 | } | |
802 | if (c == '[') { | |
8032cc44 JS |
803 | if (do_event(CONFIG_EVENT_SECTION, &event_data) < 0) |
804 | return -1; | |
805 | ||
0971e992 BW |
806 | /* Reset prior to determining a new stem */ |
807 | strbuf_reset(var); | |
808 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 809 | break; |
0971e992 BW |
810 | strbuf_addch(var, '.'); |
811 | baselen = var->len; | |
17712991 LT |
812 | continue; |
813 | } | |
814 | if (!isalpha(c)) | |
815 | break; | |
8032cc44 JS |
816 | |
817 | if (do_event(CONFIG_EVENT_ENTRY, &event_data) < 0) | |
818 | return -1; | |
819 | ||
0971e992 BW |
820 | /* |
821 | * Truncate the var name back to the section header | |
822 | * stem prior to grabbing the suffix part of the name | |
823 | * and the value. | |
824 | */ | |
825 | strbuf_setlen(var, baselen); | |
826 | strbuf_addch(var, tolower(c)); | |
827 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
828 | break; |
829 | } | |
1b8132d9 | 830 | |
8032cc44 JS |
831 | if (do_event(CONFIG_EVENT_ERROR, &event_data) < 0) |
832 | return -1; | |
833 | ||
1b8132d9 VA |
834 | switch (cf->origin_type) { |
835 | case CONFIG_ORIGIN_BLOB: | |
836 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
837 | cf->linenr, cf->name); | |
838 | break; | |
839 | case CONFIG_ORIGIN_FILE: | |
840 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
841 | cf->linenr, cf->name); | |
842 | break; | |
843 | case CONFIG_ORIGIN_STDIN: | |
844 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
845 | cf->linenr); | |
846 | break; | |
847 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
848 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
849 | cf->linenr, cf->name); | |
850 | break; | |
851 | case CONFIG_ORIGIN_CMDLINE: | |
852 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
853 | cf->linenr, cf->name); | |
854 | break; | |
855 | default: | |
856 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
857 | cf->linenr, cf->name); | |
858 | } | |
859 | ||
66f97228 JK |
860 | switch (opts && opts->error_action ? |
861 | opts->error_action : | |
862 | cf->default_error_action) { | |
863 | case CONFIG_ERROR_DIE: | |
1b8132d9 | 864 | die("%s", error_msg); |
66f97228 JK |
865 | break; |
866 | case CONFIG_ERROR_ERROR: | |
1b8132d9 | 867 | error_return = error("%s", error_msg); |
66f97228 | 868 | break; |
63583203 JK |
869 | case CONFIG_ERROR_SILENT: |
870 | error_return = -1; | |
871 | break; | |
66f97228 JK |
872 | case CONFIG_ERROR_UNSET: |
873 | BUG("config error action unset"); | |
874 | } | |
1b8132d9 VA |
875 | |
876 | free(error_msg); | |
877 | return error_return; | |
17712991 LT |
878 | } |
879 | ||
39c575c9 | 880 | static uintmax_t get_unit_factor(const char *end) |
0b87b6e0 BD |
881 | { |
882 | if (!*end) | |
883 | return 1; | |
39c575c9 RS |
884 | else if (!strcasecmp(end, "k")) |
885 | return 1024; | |
886 | else if (!strcasecmp(end, "m")) | |
887 | return 1024 * 1024; | |
888 | else if (!strcasecmp(end, "g")) | |
889 | return 1024 * 1024 * 1024; | |
c8deb5a1 | 890 | return 0; |
0b87b6e0 BD |
891 | } |
892 | ||
7192777d | 893 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
894 | { |
895 | if (value && *value) { | |
896 | char *end; | |
ebaa1bd4 NA |
897 | intmax_t val; |
898 | uintmax_t uval; | |
664178e8 | 899 | uintmax_t factor; |
ebaa1bd4 NA |
900 | |
901 | errno = 0; | |
902 | val = strtoimax(value, &end, 0); | |
903 | if (errno == ERANGE) | |
904 | return 0; | |
39c575c9 RS |
905 | factor = get_unit_factor(end); |
906 | if (!factor) { | |
33fdd77e | 907 | errno = EINVAL; |
c8deb5a1 | 908 | return 0; |
33fdd77e | 909 | } |
9dae4fe7 | 910 | uval = val < 0 ? -val : val; |
3fb72c7b RS |
911 | if (unsigned_mult_overflows(factor, uval) || |
912 | factor * uval > max) { | |
33fdd77e | 913 | errno = ERANGE; |
ebaa1bd4 | 914 | return 0; |
33fdd77e | 915 | } |
ebaa1bd4 NA |
916 | val *= factor; |
917 | *ret = val; | |
0b87b6e0 BD |
918 | return 1; |
919 | } | |
33fdd77e | 920 | errno = EINVAL; |
0b87b6e0 BD |
921 | return 0; |
922 | } | |
923 | ||
0b4dc661 | 924 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
925 | { |
926 | if (value && *value) { | |
927 | char *end; | |
ebaa1bd4 | 928 | uintmax_t val; |
664178e8 | 929 | uintmax_t factor; |
ebaa1bd4 NA |
930 | |
931 | errno = 0; | |
932 | val = strtoumax(value, &end, 0); | |
933 | if (errno == ERANGE) | |
934 | return 0; | |
39c575c9 RS |
935 | factor = get_unit_factor(end); |
936 | if (!factor) { | |
33fdd77e | 937 | errno = EINVAL; |
c8deb5a1 | 938 | return 0; |
33fdd77e | 939 | } |
3fb72c7b RS |
940 | if (unsigned_mult_overflows(factor, val) || |
941 | factor * val > max) { | |
33fdd77e | 942 | errno = ERANGE; |
ebaa1bd4 | 943 | return 0; |
33fdd77e | 944 | } |
3fb72c7b | 945 | val *= factor; |
c8deb5a1 | 946 | *ret = val; |
0b87b6e0 | 947 | return 1; |
17712991 | 948 | } |
33fdd77e | 949 | errno = EINVAL; |
0b87b6e0 BD |
950 | return 0; |
951 | } | |
952 | ||
42d194e9 | 953 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 954 | { |
7192777d | 955 | intmax_t tmp; |
42d194e9 | 956 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
957 | return 0; |
958 | *ret = tmp; | |
959 | return 1; | |
960 | } | |
961 | ||
00160242 JK |
962 | static int git_parse_int64(const char *value, int64_t *ret) |
963 | { | |
964 | intmax_t tmp; | |
965 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
966 | return 0; | |
967 | *ret = tmp; | |
968 | return 1; | |
969 | } | |
970 | ||
7192777d JK |
971 | int git_parse_ulong(const char *value, unsigned long *ret) |
972 | { | |
973 | uintmax_t tmp; | |
974 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
975 | return 0; | |
976 | *ret = tmp; | |
977 | return 1; | |
978 | } | |
979 | ||
c79edf73 | 980 | int git_parse_ssize_t(const char *value, ssize_t *ret) |
37ee680d DT |
981 | { |
982 | intmax_t tmp; | |
983 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t))) | |
984 | return 0; | |
985 | *ret = tmp; | |
986 | return 1; | |
987 | } | |
988 | ||
06bdc23b | 989 | NORETURN |
2f666581 | 990 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 991 | { |
2e43cd4c ÆAB |
992 | const char *error_type = (errno == ERANGE) ? |
993 | N_("out of range") : N_("invalid unit"); | |
994 | const char *bad_numeric = N_("bad numeric config value '%s' for '%s': %s"); | |
078fe305 | 995 | |
2f666581 JK |
996 | if (!value) |
997 | value = ""; | |
998 | ||
1ff750b1 ÆAB |
999 | if (!strcmp(name, "GIT_TEST_GETTEXT_POISON")) |
1000 | /* | |
1001 | * We explicitly *don't* use _() here since it would | |
1002 | * cause an infinite loop with _() needing to call | |
1003 | * use_gettext_poison(). This is why marked up | |
1004 | * translations with N_() above. | |
1005 | */ | |
1006 | die(bad_numeric, value, name, error_type); | |
1007 | ||
1b8132d9 | 1008 | if (!(cf && cf->name)) |
2e43cd4c | 1009 | die(_(bad_numeric), value, name, _(error_type)); |
1b8132d9 VA |
1010 | |
1011 | switch (cf->origin_type) { | |
1012 | case CONFIG_ORIGIN_BLOB: | |
078fe305 | 1013 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
2e43cd4c | 1014 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1015 | case CONFIG_ORIGIN_FILE: |
078fe305 | 1016 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
2e43cd4c | 1017 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1018 | case CONFIG_ORIGIN_STDIN: |
078fe305 | 1019 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
2e43cd4c | 1020 | value, name, _(error_type)); |
1b8132d9 | 1021 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 | 1022 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
2e43cd4c | 1023 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1024 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 | 1025 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
2e43cd4c | 1026 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1027 | default: |
078fe305 | 1028 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
2e43cd4c | 1029 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1030 | } |
c1867cea JK |
1031 | } |
1032 | ||
0b87b6e0 BD |
1033 | int git_config_int(const char *name, const char *value) |
1034 | { | |
42d194e9 JK |
1035 | int ret; |
1036 | if (!git_parse_int(value, &ret)) | |
2f666581 | 1037 | die_bad_number(name, value); |
0b87b6e0 BD |
1038 | return ret; |
1039 | } | |
1040 | ||
00160242 JK |
1041 | int64_t git_config_int64(const char *name, const char *value) |
1042 | { | |
1043 | int64_t ret; | |
1044 | if (!git_parse_int64(value, &ret)) | |
1045 | die_bad_number(name, value); | |
0b87b6e0 BD |
1046 | return ret; |
1047 | } | |
1048 | ||
1049 | unsigned long git_config_ulong(const char *name, const char *value) | |
1050 | { | |
1051 | unsigned long ret; | |
1052 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 1053 | die_bad_number(name, value); |
0b87b6e0 | 1054 | return ret; |
17712991 LT |
1055 | } |
1056 | ||
37ee680d DT |
1057 | ssize_t git_config_ssize_t(const char *name, const char *value) |
1058 | { | |
1059 | ssize_t ret; | |
1060 | if (!git_parse_ssize_t(value, &ret)) | |
1061 | die_bad_number(name, value); | |
1062 | return ret; | |
1063 | } | |
1064 | ||
9be04d64 | 1065 | static int git_parse_maybe_bool_text(const char *value) |
17712991 LT |
1066 | { |
1067 | if (!value) | |
1068 | return 1; | |
1069 | if (!*value) | |
1070 | return 0; | |
8420ccd8 JH |
1071 | if (!strcasecmp(value, "true") |
1072 | || !strcasecmp(value, "yes") | |
1073 | || !strcasecmp(value, "on")) | |
17712991 | 1074 | return 1; |
8420ccd8 JH |
1075 | if (!strcasecmp(value, "false") |
1076 | || !strcasecmp(value, "no") | |
1077 | || !strcasecmp(value, "off")) | |
17712991 | 1078 | return 0; |
8420ccd8 JH |
1079 | return -1; |
1080 | } | |
1081 | ||
9be04d64 | 1082 | int git_parse_maybe_bool(const char *value) |
b2be2f6a | 1083 | { |
9be04d64 | 1084 | int v = git_parse_maybe_bool_text(value); |
b2be2f6a JK |
1085 | if (0 <= v) |
1086 | return v; | |
42d194e9 | 1087 | if (git_parse_int(value, &v)) |
db6195ef | 1088 | return !!v; |
b2be2f6a JK |
1089 | return -1; |
1090 | } | |
1091 | ||
8420ccd8 JH |
1092 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
1093 | { | |
9be04d64 | 1094 | int v = git_parse_maybe_bool_text(value); |
8420ccd8 JH |
1095 | if (0 <= v) { |
1096 | *is_bool = 1; | |
1097 | return v; | |
1098 | } | |
a53f2ec6 | 1099 | *is_bool = 0; |
c35b0b58 | 1100 | return git_config_int(name, value); |
17712991 LT |
1101 | } |
1102 | ||
a53f2ec6 JH |
1103 | int git_config_bool(const char *name, const char *value) |
1104 | { | |
1105 | int discard; | |
c35b0b58 | 1106 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
1107 | } |
1108 | ||
ea5105a5 CC |
1109 | int git_config_string(const char **dest, const char *var, const char *value) |
1110 | { | |
1111 | if (!value) | |
1112 | return config_error_nonbool(var); | |
1113 | *dest = xstrdup(value); | |
1114 | return 0; | |
1115 | } | |
1116 | ||
395de250 MM |
1117 | int git_config_pathname(const char **dest, const char *var, const char *value) |
1118 | { | |
1119 | if (!value) | |
1120 | return config_error_nonbool(var); | |
4aad2f16 | 1121 | *dest = expand_user_path(value, 0); |
395de250 | 1122 | if (!*dest) |
8262aaa2 | 1123 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
1124 | return 0; |
1125 | } | |
1126 | ||
5f967424 HM |
1127 | int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value) |
1128 | { | |
1129 | if (!value) | |
1130 | return config_error_nonbool(var); | |
1131 | if (parse_expiry_date(value, timestamp)) | |
1132 | return error(_("'%s' for '%s' is not a valid timestamp"), | |
1133 | value, var); | |
1134 | return 0; | |
1135 | } | |
1136 | ||
6d2f9acc TB |
1137 | int git_config_color(char *dest, const char *var, const char *value) |
1138 | { | |
1139 | if (!value) | |
1140 | return config_error_nonbool(var); | |
1141 | if (color_parse(value, dest) < 0) | |
1142 | return -1; | |
1143 | return 0; | |
1144 | } | |
1145 | ||
70fc5793 | 1146 | static int git_default_core_config(const char *var, const char *value, void *cb) |
17712991 LT |
1147 | { |
1148 | /* This needs a better name */ | |
1149 | if (!strcmp(var, "core.filemode")) { | |
1150 | trust_executable_bit = git_config_bool(var, value); | |
1151 | return 0; | |
1152 | } | |
1ce4790b AR |
1153 | if (!strcmp(var, "core.trustctime")) { |
1154 | trust_ctime = git_config_bool(var, value); | |
1155 | return 0; | |
1156 | } | |
c1b5d738 | 1157 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
1158 | if (!strcasecmp(value, "default")) |
1159 | check_stat = 1; | |
1160 | else if (!strcasecmp(value, "minimal")) | |
1161 | check_stat = 0; | |
1162 | } | |
17712991 | 1163 | |
9378c161 JH |
1164 | if (!strcmp(var, "core.quotepath")) { |
1165 | quote_path_fully = git_config_bool(var, value); | |
1166 | return 0; | |
1167 | } | |
1168 | ||
78a8d641 JS |
1169 | if (!strcmp(var, "core.symlinks")) { |
1170 | has_symlinks = git_config_bool(var, value); | |
1171 | return 0; | |
1172 | } | |
1173 | ||
0a9b88b7 LT |
1174 | if (!strcmp(var, "core.ignorecase")) { |
1175 | ignore_case = git_config_bool(var, value); | |
1176 | return 0; | |
1177 | } | |
1178 | ||
64589a03 JH |
1179 | if (!strcmp(var, "core.attributesfile")) |
1180 | return git_config_pathname(&git_attributes_file, var, value); | |
1181 | ||
867ad08a ÆAB |
1182 | if (!strcmp(var, "core.hookspath")) |
1183 | return git_config_pathname(&git_hooks_path, var, value); | |
1184 | ||
7d1864ce JH |
1185 | if (!strcmp(var, "core.bare")) { |
1186 | is_bare_repository_cfg = git_config_bool(var, value); | |
1187 | return 0; | |
1188 | } | |
1189 | ||
5f73076c JH |
1190 | if (!strcmp(var, "core.ignorestat")) { |
1191 | assume_unchanged = git_config_bool(var, value); | |
1192 | return 0; | |
1193 | } | |
1194 | ||
e388c738 JH |
1195 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
1196 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
1197 | return 0; |
1198 | } | |
1199 | ||
6de08ae6 | 1200 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
1201 | if (value && !strcasecmp(value, "always")) |
1202 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
1203 | else if (git_config_bool(var, value)) | |
1204 | log_all_ref_updates = LOG_REFS_NORMAL; | |
1205 | else | |
1206 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
1207 | return 0; |
1208 | } | |
1209 | ||
2f8acdb3 JH |
1210 | if (!strcmp(var, "core.warnambiguousrefs")) { |
1211 | warn_ambiguous_refs = git_config_bool(var, value); | |
1212 | return 0; | |
1213 | } | |
1214 | ||
a71f09fe | 1215 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
1216 | if (!value) |
1217 | return config_error_nonbool(var); | |
1218 | if (!strcasecmp(value, "auto")) | |
1219 | default_abbrev = -1; | |
1220 | else { | |
1221 | int abbrev = git_config_int(var, value); | |
fe9fec45 | 1222 | if (abbrev < minimum_abbrev || abbrev > the_hash_algo->hexsz) |
a769bfc7 | 1223 | return error(_("abbrev length out of range: %d"), abbrev); |
48d5014d JH |
1224 | default_abbrev = abbrev; |
1225 | } | |
dce96489 LT |
1226 | return 0; |
1227 | } | |
1228 | ||
5b33cb1f JK |
1229 | if (!strcmp(var, "core.disambiguate")) |
1230 | return set_disambiguate_hint_config(var, value); | |
1231 | ||
960ccca6 | 1232 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
1233 | int level = git_config_int(var, value); |
1234 | if (level == -1) | |
1235 | level = Z_DEFAULT_COMPRESSION; | |
1236 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1237 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 1238 | zlib_compression_level = level; |
960ccca6 DH |
1239 | zlib_compression_seen = 1; |
1240 | return 0; | |
1241 | } | |
1242 | ||
1243 | if (!strcmp(var, "core.compression")) { | |
1244 | int level = git_config_int(var, value); | |
1245 | if (level == -1) | |
1246 | level = Z_DEFAULT_COMPRESSION; | |
1247 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1248 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
1249 | core_compression_level = level; |
1250 | core_compression_seen = 1; | |
1251 | if (!zlib_compression_seen) | |
1252 | zlib_compression_level = level; | |
8de7eeb5 JH |
1253 | if (!pack_compression_seen) |
1254 | pack_compression_level = level; | |
12f6c308 JBH |
1255 | return 0; |
1256 | } | |
1257 | ||
60bb8b14 | 1258 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 1259 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 1260 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
1261 | |
1262 | /* This value must be multiple of (pagesize * 2) */ | |
1263 | packed_git_window_size /= pgsz_x2; | |
1264 | if (packed_git_window_size < 1) | |
1265 | packed_git_window_size = 1; | |
1266 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
1267 | return 0; |
1268 | } | |
1269 | ||
15366280 | 1270 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 1271 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
1272 | return 0; |
1273 | } | |
1274 | ||
77ccc5bb | 1275 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 1276 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
1277 | return 0; |
1278 | } | |
1279 | ||
18bdec11 | 1280 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 1281 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
1282 | return 0; |
1283 | } | |
1284 | ||
6c510bee | 1285 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 1286 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 1287 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
1288 | return 0; |
1289 | } | |
6c510bee LT |
1290 | auto_crlf = git_config_bool(var, value); |
1291 | return 0; | |
1292 | } | |
1293 | ||
21e5ad50 | 1294 | if (!strcmp(var, "core.safecrlf")) { |
8462ff43 | 1295 | int eol_rndtrp_die; |
21e5ad50 | 1296 | if (value && !strcasecmp(value, "warn")) { |
8462ff43 | 1297 | global_conv_flags_eol = CONV_EOL_RNDTRP_WARN; |
21e5ad50 SP |
1298 | return 0; |
1299 | } | |
8462ff43 TB |
1300 | eol_rndtrp_die = git_config_bool(var, value); |
1301 | global_conv_flags_eol = eol_rndtrp_die ? | |
6cb09125 | 1302 | CONV_EOL_RNDTRP_DIE : 0; |
21e5ad50 SP |
1303 | return 0; |
1304 | } | |
1305 | ||
942e7747 EB |
1306 | if (!strcmp(var, "core.eol")) { |
1307 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 1308 | core_eol = EOL_LF; |
942e7747 | 1309 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 1310 | core_eol = EOL_CRLF; |
942e7747 | 1311 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 1312 | core_eol = EOL_NATIVE; |
942e7747 | 1313 | else |
ec70f52f | 1314 | core_eol = EOL_UNSET; |
942e7747 EB |
1315 | return 0; |
1316 | } | |
1317 | ||
e92d6225 LS |
1318 | if (!strcmp(var, "core.checkroundtripencoding")) { |
1319 | check_roundtrip_encoding = xstrdup(value); | |
1320 | return 0; | |
1321 | } | |
1322 | ||
a97a7468 JS |
1323 | if (!strcmp(var, "core.notesref")) { |
1324 | notes_ref_name = xstrdup(value); | |
1325 | return 0; | |
1326 | } | |
1327 | ||
806e2ad7 LT |
1328 | if (!strcmp(var, "core.editor")) |
1329 | return git_config_string(&editor_program, var, value); | |
1330 | ||
eff80a9f | 1331 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
1332 | if (!value) |
1333 | return config_error_nonbool(var); | |
ad524f83 | 1334 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 1335 | auto_comment_line_char = 1; |
ad524f83 | 1336 | else if (value[0] && !value[1]) { |
649409b7 | 1337 | comment_line_char = value[0]; |
84c9dc2c | 1338 | auto_comment_line_char = 0; |
50b54fd7 | 1339 | } else |
a769bfc7 | 1340 | return error(_("core.commentChar should only be one character")); |
50b54fd7 | 1341 | return 0; |
eff80a9f JH |
1342 | } |
1343 | ||
d3e7da89 AK |
1344 | if (!strcmp(var, "core.askpass")) |
1345 | return git_config_string(&askpass_program, var, value); | |
1346 | ||
806e2ad7 | 1347 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 1348 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
1349 | |
1350 | if (!strcmp(var, "core.whitespace")) { | |
1351 | if (!value) | |
1352 | return config_error_nonbool(var); | |
1353 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
1354 | return 0; | |
1355 | } | |
1356 | ||
aafe9fba LT |
1357 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
1358 | fsync_object_files = git_config_bool(var, value); | |
1359 | return 0; | |
1360 | } | |
1361 | ||
671c9b7e LT |
1362 | if (!strcmp(var, "core.preloadindex")) { |
1363 | core_preload_index = git_config_bool(var, value); | |
1364 | return 0; | |
1365 | } | |
1366 | ||
348df166 JS |
1367 | if (!strcmp(var, "core.createobject")) { |
1368 | if (!strcmp(value, "rename")) | |
1369 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
1370 | else if (!strcmp(value, "link")) | |
1371 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
1372 | else | |
8262aaa2 | 1373 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
1374 | return 0; |
1375 | } | |
1376 | ||
08aefc9e NTND |
1377 | if (!strcmp(var, "core.sparsecheckout")) { |
1378 | core_apply_sparse_checkout = git_config_bool(var, value); | |
1379 | return 0; | |
1380 | } | |
1381 | ||
879321eb DS |
1382 | if (!strcmp(var, "core.sparsecheckoutcone")) { |
1383 | core_sparse_checkout_cone = git_config_bool(var, value); | |
1384 | return 0; | |
1385 | } | |
1386 | ||
76759c7d TB |
1387 | if (!strcmp(var, "core.precomposeunicode")) { |
1388 | precomposed_unicode = git_config_bool(var, value); | |
1389 | return 0; | |
1390 | } | |
1391 | ||
a42643aa JK |
1392 | if (!strcmp(var, "core.protecthfs")) { |
1393 | protect_hfs = git_config_bool(var, value); | |
1394 | return 0; | |
1395 | } | |
1396 | ||
2b4c6efc JS |
1397 | if (!strcmp(var, "core.protectntfs")) { |
1398 | protect_ntfs = git_config_bool(var, value); | |
1399 | return 0; | |
76759c7d TB |
1400 | } |
1401 | ||
da4398d6 JK |
1402 | if (!strcmp(var, "core.usereplacerefs")) { |
1403 | read_replace_refs = git_config_bool(var, value); | |
1404 | return 0; | |
1405 | } | |
1406 | ||
806e2ad7 | 1407 | /* Add other config variables here and to Documentation/config.txt. */ |
70fc5793 | 1408 | return platform_core_config(var, value, cb); |
806e2ad7 LT |
1409 | } |
1410 | ||
1141f492 | 1411 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1412 | { |
ea5105a5 CC |
1413 | if (!strcmp(var, "i18n.commitencoding")) |
1414 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1415 | |
ea5105a5 CC |
1416 | if (!strcmp(var, "i18n.logoutputencoding")) |
1417 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1418 | |
1141f492 LT |
1419 | /* Add other config variables here and to Documentation/config.txt. */ |
1420 | return 0; | |
1421 | } | |
039bc64e | 1422 | |
1141f492 LT |
1423 | static int git_default_branch_config(const char *var, const char *value) |
1424 | { | |
9ed36cfa JS |
1425 | if (!strcmp(var, "branch.autosetupmerge")) { |
1426 | if (value && !strcasecmp(value, "always")) { | |
1427 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
1428 | return 0; | |
1429 | } | |
1430 | git_branch_track = git_config_bool(var, value); | |
1431 | return 0; | |
1432 | } | |
c998ae9b DS |
1433 | if (!strcmp(var, "branch.autosetuprebase")) { |
1434 | if (!value) | |
1435 | return config_error_nonbool(var); | |
1436 | else if (!strcmp(value, "never")) | |
1437 | autorebase = AUTOREBASE_NEVER; | |
1438 | else if (!strcmp(value, "local")) | |
1439 | autorebase = AUTOREBASE_LOCAL; | |
1440 | else if (!strcmp(value, "remote")) | |
1441 | autorebase = AUTOREBASE_REMOTE; | |
1442 | else if (!strcmp(value, "always")) | |
1443 | autorebase = AUTOREBASE_ALWAYS; | |
1444 | else | |
a769bfc7 | 1445 | return error(_("malformed value for %s"), var); |
c998ae9b DS |
1446 | return 0; |
1447 | } | |
a9cc857a | 1448 | |
1ab661dd | 1449 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1450 | return 0; |
1451 | } | |
1452 | ||
52153747 FAG |
1453 | static int git_default_push_config(const char *var, const char *value) |
1454 | { | |
1455 | if (!strcmp(var, "push.default")) { | |
1456 | if (!value) | |
1457 | return config_error_nonbool(var); | |
1458 | else if (!strcmp(value, "nothing")) | |
1459 | push_default = PUSH_DEFAULT_NOTHING; | |
1460 | else if (!strcmp(value, "matching")) | |
1461 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1462 | else if (!strcmp(value, "simple")) |
1463 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1464 | else if (!strcmp(value, "upstream")) |
1465 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1466 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1467 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1468 | else if (!strcmp(value, "current")) |
1469 | push_default = PUSH_DEFAULT_CURRENT; | |
1470 | else { | |
a769bfc7 NTND |
1471 | error(_("malformed value for %s: %s"), var, value); |
1472 | return error(_("must be one of nothing, matching, simple, " | |
1473 | "upstream or current")); | |
52153747 FAG |
1474 | } |
1475 | return 0; | |
1476 | } | |
1477 | ||
1478 | /* Add other config variables here and to Documentation/config.txt. */ | |
1479 | return 0; | |
1480 | } | |
1481 | ||
d551a488 MSO |
1482 | static int git_default_mailmap_config(const char *var, const char *value) |
1483 | { | |
1484 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1485 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1486 | if (!strcmp(var, "mailmap.blob")) |
1487 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1488 | |
1489 | /* Add other config variables here and to Documentation/config.txt. */ | |
1490 | return 0; | |
1491 | } | |
1492 | ||
409670f3 | 1493 | int git_default_config(const char *var, const char *value, void *cb) |
1141f492 | 1494 | { |
59556548 | 1495 | if (starts_with(var, "core.")) |
70fc5793 | 1496 | return git_default_core_config(var, value, cb); |
1141f492 | 1497 | |
39ab4d09 WH |
1498 | if (starts_with(var, "user.") || |
1499 | starts_with(var, "author.") || | |
1500 | starts_with(var, "committer.")) | |
409670f3 | 1501 | return git_ident_config(var, value, cb); |
1141f492 | 1502 | |
59556548 | 1503 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1504 | return git_default_i18n_config(var, value); |
1505 | ||
59556548 | 1506 | if (starts_with(var, "branch.")) |
1141f492 LT |
1507 | return git_default_branch_config(var, value); |
1508 | ||
59556548 | 1509 | if (starts_with(var, "push.")) |
52153747 FAG |
1510 | return git_default_push_config(var, value); |
1511 | ||
59556548 | 1512 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1513 | return git_default_mailmap_config(var, value); |
1514 | ||
960786e7 | 1515 | if (starts_with(var, "advice.") || starts_with(var, "color.advice")) |
75194438 JK |
1516 | return git_default_advice_config(var, value); |
1517 | ||
1141f492 LT |
1518 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1519 | pager_use_color = git_config_bool(var,value); | |
1520 | return 0; | |
1521 | } | |
1522 | ||
568508e7 JH |
1523 | if (!strcmp(var, "pack.packsizelimit")) { |
1524 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1525 | return 0; | |
1526 | } | |
8de7eeb5 JH |
1527 | |
1528 | if (!strcmp(var, "pack.compression")) { | |
1529 | int level = git_config_int(var, value); | |
1530 | if (level == -1) | |
1531 | level = Z_DEFAULT_COMPRESSION; | |
1532 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1533 | die(_("bad pack compression level %d"), level); | |
1534 | pack_compression_level = level; | |
1535 | pack_compression_seen = 1; | |
1536 | return 0; | |
1537 | } | |
1538 | ||
1141f492 LT |
1539 | /* Add other config variables here and to Documentation/config.txt. */ |
1540 | return 0; | |
1541 | } | |
1542 | ||
ca4b5de2 | 1543 | /* |
b2dc0945 | 1544 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1545 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1546 | * this function. |
1547 | */ | |
8032cc44 JS |
1548 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data, |
1549 | const struct config_options *opts) | |
ca4b5de2 HV |
1550 | { |
1551 | int ret; | |
1552 | ||
1553 | /* push config-file parsing state stack */ | |
1554 | top->prev = cf; | |
1555 | top->linenr = 1; | |
1556 | top->eof = 0; | |
348482de | 1557 | top->total_len = 0; |
ca4b5de2 HV |
1558 | strbuf_init(&top->value, 1024); |
1559 | strbuf_init(&top->var, 1024); | |
1560 | cf = top; | |
1561 | ||
8032cc44 | 1562 | ret = git_parse_source(fn, data, opts); |
ca4b5de2 HV |
1563 | |
1564 | /* pop config-file parsing state stack */ | |
1565 | strbuf_release(&top->value); | |
1566 | strbuf_release(&top->var); | |
1567 | cf = top->prev; | |
1568 | ||
1569 | return ret; | |
1570 | } | |
1571 | ||
3caec73b | 1572 | static int do_config_from_file(config_fn_t fn, |
1b8132d9 VA |
1573 | const enum config_origin_type origin_type, |
1574 | const char *name, const char *path, FILE *f, | |
8032cc44 | 1575 | void *data, const struct config_options *opts) |
17712991 | 1576 | { |
3caec73b | 1577 | struct config_source top; |
05e293c1 | 1578 | int ret; |
17712991 | 1579 | |
3caec73b | 1580 | top.u.file = f; |
473166b9 | 1581 | top.origin_type = origin_type; |
3caec73b KS |
1582 | top.name = name; |
1583 | top.path = path; | |
66f97228 | 1584 | top.default_error_action = CONFIG_ERROR_DIE; |
3caec73b KS |
1585 | top.do_fgetc = config_file_fgetc; |
1586 | top.do_ungetc = config_file_ungetc; | |
1587 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1588 | |
05e293c1 | 1589 | flockfile(f); |
4f4d0b42 | 1590 | ret = do_config_from(&top, fn, data, opts); |
05e293c1 JK |
1591 | funlockfile(f); |
1592 | return ret; | |
3caec73b | 1593 | } |
924aaf3e | 1594 | |
3caec73b KS |
1595 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1596 | { | |
8032cc44 JS |
1597 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, |
1598 | data, NULL); | |
3caec73b KS |
1599 | } |
1600 | ||
8032cc44 JS |
1601 | int git_config_from_file_with_options(config_fn_t fn, const char *filename, |
1602 | void *data, | |
1603 | const struct config_options *opts) | |
3caec73b KS |
1604 | { |
1605 | int ret = -1; | |
1606 | FILE *f; | |
924aaf3e | 1607 | |
e9d983f1 | 1608 | f = fopen_or_warn(filename, "r"); |
3caec73b | 1609 | if (f) { |
8032cc44 JS |
1610 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, |
1611 | filename, f, data, opts); | |
17712991 LT |
1612 | fclose(f); |
1613 | } | |
1614 | return ret; | |
1615 | } | |
10bea152 | 1616 | |
8032cc44 JS |
1617 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) |
1618 | { | |
1619 | return git_config_from_file_with_options(fn, filename, data, NULL); | |
1620 | } | |
1621 | ||
4574f1aa JK |
1622 | int git_config_from_mem(config_fn_t fn, |
1623 | const enum config_origin_type origin_type, | |
1624 | const char *name, const char *buf, size_t len, | |
1625 | void *data, const struct config_options *opts) | |
1bc88819 HV |
1626 | { |
1627 | struct config_source top; | |
1628 | ||
1629 | top.u.buf.buf = buf; | |
1630 | top.u.buf.len = len; | |
1631 | top.u.buf.pos = 0; | |
473166b9 | 1632 | top.origin_type = origin_type; |
1bc88819 | 1633 | top.name = name; |
d14d4244 | 1634 | top.path = NULL; |
66f97228 | 1635 | top.default_error_action = CONFIG_ERROR_ERROR; |
49d6cfa5 JK |
1636 | top.do_fgetc = config_buf_fgetc; |
1637 | top.do_ungetc = config_buf_ungetc; | |
1638 | top.do_ftell = config_buf_ftell; | |
1bc88819 | 1639 | |
4574f1aa | 1640 | return do_config_from(&top, fn, data, opts); |
1bc88819 HV |
1641 | } |
1642 | ||
cd73de47 | 1643 | int git_config_from_blob_oid(config_fn_t fn, |
9ebf689a | 1644 | const char *name, |
cd73de47 | 1645 | const struct object_id *oid, |
9ebf689a | 1646 | void *data) |
1bc88819 HV |
1647 | { |
1648 | enum object_type type; | |
1649 | char *buf; | |
1650 | unsigned long size; | |
1651 | int ret; | |
1652 | ||
b4f5aca4 | 1653 | buf = read_object_file(oid, &type, &size); |
1bc88819 | 1654 | if (!buf) |
a769bfc7 | 1655 | return error(_("unable to load config blob object '%s'"), name); |
1bc88819 HV |
1656 | if (type != OBJ_BLOB) { |
1657 | free(buf); | |
a769bfc7 | 1658 | return error(_("reference '%s' does not point to a blob"), name); |
1bc88819 HV |
1659 | } |
1660 | ||
4574f1aa JK |
1661 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, |
1662 | data, NULL); | |
1bc88819 HV |
1663 | free(buf); |
1664 | ||
1665 | return ret; | |
1666 | } | |
1667 | ||
1668 | static int git_config_from_blob_ref(config_fn_t fn, | |
1669 | const char *name, | |
1670 | void *data) | |
1671 | { | |
cd73de47 | 1672 | struct object_id oid; |
1bc88819 | 1673 | |
cd73de47 | 1674 | if (get_oid(name, &oid) < 0) |
a769bfc7 | 1675 | return error(_("unable to resolve config blob '%s'"), name); |
cd73de47 | 1676 | return git_config_from_blob_oid(fn, name, &oid, data); |
1bc88819 HV |
1677 | } |
1678 | ||
506b17b1 JS |
1679 | const char *git_etc_gitconfig(void) |
1680 | { | |
7f0e39fa | 1681 | static const char *system_wide; |
2de9de5e SP |
1682 | if (!system_wide) |
1683 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1684 | return system_wide; |
506b17b1 JS |
1685 | } |
1686 | ||
23b0c478 SP |
1687 | /* |
1688 | * Parse environment variable 'k' as a boolean (in various | |
1689 | * possible spellings); if missing, use the default value 'def'. | |
1690 | */ | |
0ef37164 | 1691 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1692 | { |
1693 | const char *v = getenv(k); | |
1694 | return v ? git_config_bool(k, v) : def; | |
1695 | } | |
1696 | ||
23b0c478 SP |
1697 | /* |
1698 | * Parse environment variable 'k' as ulong with possibly a unit | |
1699 | * suffix; if missing, use the default value 'val'. | |
1700 | */ | |
1701 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1702 | { | |
1703 | const char *v = getenv(k); | |
1704 | if (v && !git_parse_ulong(v, &val)) | |
a769bfc7 | 1705 | die(_("failed to parse %s"), k); |
23b0c478 SP |
1706 | return val; |
1707 | } | |
1708 | ||
ab88c363 JK |
1709 | int git_config_system(void) |
1710 | { | |
1711 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1712 | } | |
1713 | ||
e145a0bc NTND |
1714 | static int do_git_config_sequence(const struct config_options *opts, |
1715 | config_fn_t fn, void *data) | |
4f629539 | 1716 | { |
c72ee44b | 1717 | int ret = 0; |
509adc33 | 1718 | char *xdg_config = xdg_config_home("config"); |
4aad2f16 | 1719 | char *user_config = expand_user_path("~/.gitconfig", 0); |
e145a0bc | 1720 | char *repo_config; |
5c105a84 | 1721 | enum config_scope prev_parsing_scope = current_parsing_scope; |
e145a0bc | 1722 | |
a577fb5f BW |
1723 | if (opts->commondir) |
1724 | repo_config = mkpathdup("%s/config", opts->commondir); | |
44004872 JS |
1725 | else if (opts->git_dir) |
1726 | BUG("git_dir without commondir"); | |
e145a0bc NTND |
1727 | else |
1728 | repo_config = NULL; | |
5f1a63e0 | 1729 | |
9acc5911 | 1730 | current_parsing_scope = CONFIG_SCOPE_SYSTEM; |
f672deec JH |
1731 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, |
1732 | opts->system_gently ? | |
1733 | ACCESS_EACCES_OK : 0)) | |
dc871831 DB |
1734 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1735 | data); | |
5f1a63e0 | 1736 | |
9acc5911 | 1737 | current_parsing_scope = CONFIG_SCOPE_GLOBAL; |
c72ee44b | 1738 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1739 | ret += git_config_from_file(fn, xdg_config, data); |
21cf3227 | 1740 | |
c72ee44b | 1741 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1742 | ret += git_config_from_file(fn, user_config, data); |
5f1a63e0 | 1743 | |
6dc905d9 | 1744 | current_parsing_scope = CONFIG_SCOPE_LOCAL; |
800a7f99 JH |
1745 | if (!opts->ignore_repo && repo_config && |
1746 | !access_or_die(repo_config, R_OK, 0)) | |
aa387407 | 1747 | ret += git_config_from_file(fn, repo_config, data); |
8b1fa778 | 1748 | |
6dc905d9 | 1749 | current_parsing_scope = CONFIG_SCOPE_WORKTREE; |
800a7f99 | 1750 | if (!opts->ignore_worktree && repository_format_worktree_config) { |
58b284a2 NTND |
1751 | char *path = git_pathdup("config.worktree"); |
1752 | if (!access_or_die(path, R_OK, 0)) | |
1753 | ret += git_config_from_file(fn, path, data); | |
1754 | free(path); | |
1755 | } | |
1756 | ||
6766e41b | 1757 | current_parsing_scope = CONFIG_SCOPE_COMMAND; |
800a7f99 | 1758 | if (!opts->ignore_cmdline && git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 1759 | die(_("unable to parse command-line config")); |
8b1fa778 | 1760 | |
5c105a84 | 1761 | current_parsing_scope = prev_parsing_scope; |
21cf3227 HKNN |
1762 | free(xdg_config); |
1763 | free(user_config); | |
80181868 | 1764 | free(repo_config); |
c72ee44b | 1765 | return ret; |
4f629539 JH |
1766 | } |
1767 | ||
dc8441fd BW |
1768 | int config_with_options(config_fn_t fn, void *data, |
1769 | struct git_config_source *config_source, | |
1770 | const struct config_options *opts) | |
dbdf5854 | 1771 | { |
9b25a0b5 JK |
1772 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1773 | ||
c48f4b37 | 1774 | if (opts->respect_includes) { |
9b25a0b5 JK |
1775 | inc.fn = fn; |
1776 | inc.data = data; | |
c48f4b37 | 1777 | inc.opts = opts; |
9b25a0b5 JK |
1778 | fn = git_config_include; |
1779 | data = &inc; | |
1780 | } | |
dbdf5854 | 1781 | |
e37efa40 MR |
1782 | if (config_source) |
1783 | current_parsing_scope = config_source->scope; | |
1784 | ||
c9b5e2a5 JK |
1785 | /* |
1786 | * If we have a specific filename, use it. Otherwise, follow the | |
1787 | * regular lookup sequence. | |
1788 | */ | |
3caec73b KS |
1789 | if (config_source && config_source->use_stdin) |
1790 | return git_config_from_stdin(fn, data); | |
1791 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1792 | return git_config_from_file(fn, config_source->file, data); |
1793 | else if (config_source && config_source->blob) | |
1794 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1795 | |
e145a0bc | 1796 | return do_git_config_sequence(opts, fn, data); |
dbdf5854 NTND |
1797 | } |
1798 | ||
155ef25f | 1799 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1800 | { |
155ef25f TA |
1801 | int i, value_index; |
1802 | struct string_list *values; | |
1803 | struct config_set_element *entry; | |
1804 | struct configset_list *list = &cs->list; | |
155ef25f TA |
1805 | |
1806 | for (i = 0; i < list->nr; i++) { | |
1807 | entry = list->items[i].e; | |
1808 | value_index = list->items[i].value_index; | |
1809 | values = &entry->value_list; | |
0d44a2da JK |
1810 | |
1811 | current_config_kvi = values->items[value_index].util; | |
1812 | ||
1813 | if (fn(entry->key, values->items[value_index].string, data) < 0) | |
1814 | git_die_config_linenr(entry->key, | |
1815 | current_config_kvi->filename, | |
1816 | current_config_kvi->linenr); | |
1817 | ||
1818 | current_config_kvi = NULL; | |
155ef25f TA |
1819 | } |
1820 | } | |
1821 | ||
0654aa57 JS |
1822 | void read_early_config(config_fn_t cb, void *data) |
1823 | { | |
c48f4b37 | 1824 | struct config_options opts = {0}; |
d3fb71b3 BW |
1825 | struct strbuf commondir = STRBUF_INIT; |
1826 | struct strbuf gitdir = STRBUF_INIT; | |
1a27409a | 1827 | |
c48f4b37 | 1828 | opts.respect_includes = 1; |
0654aa57 | 1829 | |
a577fb5f BW |
1830 | if (have_git_dir()) { |
1831 | opts.commondir = get_git_common_dir(); | |
2185fde5 | 1832 | opts.git_dir = get_git_dir(); |
0654aa57 | 1833 | /* |
1a27409a JS |
1834 | * When setup_git_directory() was not yet asked to discover the |
1835 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
1836 | * is any repository config we should use (but unlike | |
1837 | * setup_git_directory_gently(), no global state is changed, most | |
1838 | * notably, the current working directory is still the same after the | |
1839 | * call). | |
0654aa57 | 1840 | */ |
a577fb5f BW |
1841 | } else if (!discover_git_directory(&commondir, &gitdir)) { |
1842 | opts.commondir = commondir.buf; | |
d3fb71b3 | 1843 | opts.git_dir = gitdir.buf; |
a577fb5f | 1844 | } |
2185fde5 | 1845 | |
dc8441fd | 1846 | config_with_options(cb, data, NULL, &opts); |
0654aa57 | 1847 | |
d3fb71b3 BW |
1848 | strbuf_release(&commondir); |
1849 | strbuf_release(&gitdir); | |
0654aa57 JS |
1850 | } |
1851 | ||
800a7f99 JH |
1852 | /* |
1853 | * Read config but only enumerate system and global settings. | |
1854 | * Omit any repo-local, worktree-local, or command-line settings. | |
1855 | */ | |
1856 | void read_very_early_config(config_fn_t cb, void *data) | |
1857 | { | |
1858 | struct config_options opts = { 0 }; | |
1859 | ||
1860 | opts.respect_includes = 1; | |
1861 | opts.ignore_repo = 1; | |
1862 | opts.ignore_worktree = 1; | |
1863 | opts.ignore_cmdline = 1; | |
f672deec | 1864 | opts.system_gently = 1; |
800a7f99 JH |
1865 | |
1866 | config_with_options(cb, data, NULL, &opts); | |
1867 | } | |
1868 | ||
3c8687a7 TA |
1869 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
1870 | { | |
1871 | struct config_set_element k; | |
1872 | struct config_set_element *found_entry; | |
1873 | char *normalized_key; | |
3c8687a7 TA |
1874 | /* |
1875 | * `key` may come from the user, so normalize it before using it | |
1876 | * for querying entries from the hashmap. | |
1877 | */ | |
270cd9ea | 1878 | if (git_config_parse_key(key, &normalized_key, NULL)) |
3c8687a7 TA |
1879 | return NULL; |
1880 | ||
d22245a2 | 1881 | hashmap_entry_init(&k.ent, strhash(normalized_key)); |
3c8687a7 | 1882 | k.key = normalized_key; |
404ab78e | 1883 | found_entry = hashmap_get_entry(&cs->config_hash, &k, ent, NULL); |
3c8687a7 TA |
1884 | free(normalized_key); |
1885 | return found_entry; | |
1886 | } | |
1887 | ||
1888 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
1889 | { | |
1890 | struct config_set_element *e; | |
3df8fd62 | 1891 | struct string_list_item *si; |
155ef25f | 1892 | struct configset_list_item *l_item; |
3df8fd62 TA |
1893 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
1894 | ||
3c8687a7 TA |
1895 | e = configset_find_element(cs, key); |
1896 | /* | |
1897 | * Since the keys are being fed by git_config*() callback mechanism, they | |
1898 | * are already normalized. So simply add them without any further munging. | |
1899 | */ | |
1900 | if (!e) { | |
1901 | e = xmalloc(sizeof(*e)); | |
d22245a2 | 1902 | hashmap_entry_init(&e->ent, strhash(key)); |
3c8687a7 TA |
1903 | e->key = xstrdup(key); |
1904 | string_list_init(&e->value_list, 1); | |
b94e5c1d | 1905 | hashmap_add(&cs->config_hash, &e->ent); |
3c8687a7 | 1906 | } |
8c53f071 | 1907 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
1908 | |
1909 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
1910 | l_item = &cs->list.items[cs->list.nr++]; | |
1911 | l_item->e = e; | |
1912 | l_item->value_index = e->value_list.nr - 1; | |
1913 | ||
3258258f | 1914 | if (!cf) |
033abf97 | 1915 | BUG("configset_add_value has no source"); |
3258258f | 1916 | if (cf->name) { |
3df8fd62 TA |
1917 | kv_info->filename = strintern(cf->name); |
1918 | kv_info->linenr = cf->linenr; | |
1b8132d9 | 1919 | kv_info->origin_type = cf->origin_type; |
3df8fd62 TA |
1920 | } else { |
1921 | /* for values read from `git_config_from_parameters()` */ | |
1922 | kv_info->filename = NULL; | |
1923 | kv_info->linenr = -1; | |
1b8132d9 | 1924 | kv_info->origin_type = CONFIG_ORIGIN_CMDLINE; |
3df8fd62 | 1925 | } |
9acc5911 | 1926 | kv_info->scope = current_parsing_scope; |
3df8fd62 | 1927 | si->util = kv_info; |
3c8687a7 TA |
1928 | |
1929 | return 0; | |
1930 | } | |
1931 | ||
7663cdc8 | 1932 | static int config_set_element_cmp(const void *unused_cmp_data, |
939af16e EW |
1933 | const struct hashmap_entry *eptr, |
1934 | const struct hashmap_entry *entry_or_key, | |
7663cdc8 | 1935 | const void *unused_keydata) |
3c8687a7 | 1936 | { |
939af16e EW |
1937 | const struct config_set_element *e1, *e2; |
1938 | ||
1939 | e1 = container_of(eptr, const struct config_set_element, ent); | |
1940 | e2 = container_of(entry_or_key, const struct config_set_element, ent); | |
77bdc097 | 1941 | |
3c8687a7 TA |
1942 | return strcmp(e1->key, e2->key); |
1943 | } | |
1944 | ||
1945 | void git_configset_init(struct config_set *cs) | |
1946 | { | |
77bdc097 | 1947 | hashmap_init(&cs->config_hash, config_set_element_cmp, NULL, 0); |
3c8687a7 | 1948 | cs->hash_initialized = 1; |
155ef25f TA |
1949 | cs->list.nr = 0; |
1950 | cs->list.alloc = 0; | |
1951 | cs->list.items = NULL; | |
3c8687a7 TA |
1952 | } |
1953 | ||
1954 | void git_configset_clear(struct config_set *cs) | |
1955 | { | |
1956 | struct config_set_element *entry; | |
1957 | struct hashmap_iter iter; | |
1958 | if (!cs->hash_initialized) | |
1959 | return; | |
1960 | ||
87571c3f | 1961 | hashmap_for_each_entry(&cs->config_hash, &iter, entry, |
87571c3f | 1962 | ent /* member name */) { |
3c8687a7 | 1963 | free(entry->key); |
3df8fd62 | 1964 | string_list_clear(&entry->value_list, 1); |
3c8687a7 | 1965 | } |
c8e424c9 | 1966 | hashmap_free_entries(&cs->config_hash, struct config_set_element, ent); |
3c8687a7 | 1967 | cs->hash_initialized = 0; |
155ef25f TA |
1968 | free(cs->list.items); |
1969 | cs->list.nr = 0; | |
1970 | cs->list.alloc = 0; | |
1971 | cs->list.items = NULL; | |
3c8687a7 TA |
1972 | } |
1973 | ||
1974 | static int config_set_callback(const char *key, const char *value, void *cb) | |
1975 | { | |
1976 | struct config_set *cs = cb; | |
1977 | configset_add_value(cs, key, value); | |
1978 | return 0; | |
1979 | } | |
1980 | ||
1981 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
1982 | { | |
1983 | return git_config_from_file(config_set_callback, filename, cs); | |
1984 | } | |
1985 | ||
1986 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
1987 | { | |
1988 | const struct string_list *values = NULL; | |
1989 | /* | |
1990 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
1991 | * queried key in the files of the configset, the value returned will be the last | |
1992 | * value in the value list for that key. | |
1993 | */ | |
1994 | values = git_configset_get_value_multi(cs, key); | |
1995 | ||
1996 | if (!values) | |
1997 | return 1; | |
1998 | assert(values->nr > 0); | |
1999 | *value = values->items[values->nr - 1].string; | |
2000 | return 0; | |
2001 | } | |
2002 | ||
2003 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
2004 | { | |
2005 | struct config_set_element *e = configset_find_element(cs, key); | |
2006 | return e ? &e->value_list : NULL; | |
2007 | } | |
2008 | ||
2009 | int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest) | |
2010 | { | |
2011 | const char *value; | |
2012 | if (!git_configset_get_value(cs, key, &value)) | |
2013 | return git_config_string(dest, key, value); | |
2014 | else | |
2015 | return 1; | |
2016 | } | |
2017 | ||
2018 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) | |
2019 | { | |
2020 | return git_configset_get_string_const(cs, key, (const char **)dest); | |
2021 | } | |
2022 | ||
2023 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
2024 | { | |
2025 | const char *value; | |
2026 | if (!git_configset_get_value(cs, key, &value)) { | |
2027 | *dest = git_config_int(key, value); | |
2028 | return 0; | |
2029 | } else | |
2030 | return 1; | |
2031 | } | |
2032 | ||
2033 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
2034 | { | |
2035 | const char *value; | |
2036 | if (!git_configset_get_value(cs, key, &value)) { | |
2037 | *dest = git_config_ulong(key, value); | |
2038 | return 0; | |
2039 | } else | |
2040 | return 1; | |
2041 | } | |
2042 | ||
2043 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
2044 | { | |
2045 | const char *value; | |
2046 | if (!git_configset_get_value(cs, key, &value)) { | |
2047 | *dest = git_config_bool(key, value); | |
2048 | return 0; | |
2049 | } else | |
2050 | return 1; | |
2051 | } | |
2052 | ||
2053 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
2054 | int *is_bool, int *dest) | |
2055 | { | |
2056 | const char *value; | |
2057 | if (!git_configset_get_value(cs, key, &value)) { | |
2058 | *dest = git_config_bool_or_int(key, value, is_bool); | |
2059 | return 0; | |
2060 | } else | |
2061 | return 1; | |
2062 | } | |
2063 | ||
2064 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
2065 | { | |
2066 | const char *value; | |
2067 | if (!git_configset_get_value(cs, key, &value)) { | |
89576613 | 2068 | *dest = git_parse_maybe_bool(value); |
3c8687a7 TA |
2069 | if (*dest == -1) |
2070 | return -1; | |
2071 | return 0; | |
2072 | } else | |
2073 | return 1; | |
2074 | } | |
2075 | ||
2076 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
2077 | { | |
2078 | const char *value; | |
2079 | if (!git_configset_get_value(cs, key, &value)) | |
2080 | return git_config_pathname(dest, key, value); | |
2081 | else | |
2082 | return 1; | |
2083 | } | |
2084 | ||
3b256228 BW |
2085 | /* Functions use to read configuration from a repository */ |
2086 | static void repo_read_config(struct repository *repo) | |
3c8687a7 | 2087 | { |
1703751f | 2088 | struct config_options opts = { 0 }; |
3b256228 BW |
2089 | |
2090 | opts.respect_includes = 1; | |
2091 | opts.commondir = repo->commondir; | |
2092 | opts.git_dir = repo->gitdir; | |
2093 | ||
2094 | if (!repo->config) | |
2095 | repo->config = xcalloc(1, sizeof(struct config_set)); | |
2096 | else | |
2097 | git_configset_clear(repo->config); | |
2098 | ||
2099 | git_configset_init(repo->config); | |
2100 | ||
2101 | if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0) | |
2102 | /* | |
2103 | * config_with_options() normally returns only | |
2104 | * zero, as most errors are fatal, and | |
2105 | * non-fatal potential errors are guarded by "if" | |
2106 | * statements that are entered only when no error is | |
2107 | * possible. | |
2108 | * | |
2109 | * If we ever encounter a non-fatal error, it means | |
2110 | * something went really wrong and we should stop | |
2111 | * immediately. | |
2112 | */ | |
2113 | die(_("unknown error occurred while reading the configuration files")); | |
2114 | } | |
2115 | ||
2116 | static void git_config_check_init(struct repository *repo) | |
2117 | { | |
2118 | if (repo->config && repo->config->hash_initialized) | |
3c8687a7 | 2119 | return; |
3b256228 | 2120 | repo_read_config(repo); |
3c8687a7 TA |
2121 | } |
2122 | ||
3b256228 | 2123 | static void repo_config_clear(struct repository *repo) |
3c8687a7 | 2124 | { |
3b256228 | 2125 | if (!repo->config || !repo->config->hash_initialized) |
3c8687a7 | 2126 | return; |
3b256228 | 2127 | git_configset_clear(repo->config); |
3c8687a7 TA |
2128 | } |
2129 | ||
3b256228 | 2130 | void repo_config(struct repository *repo, config_fn_t fn, void *data) |
3c8687a7 | 2131 | { |
3b256228 BW |
2132 | git_config_check_init(repo); |
2133 | configset_iter(repo->config, fn, data); | |
3c8687a7 TA |
2134 | } |
2135 | ||
3b256228 BW |
2136 | int repo_config_get_value(struct repository *repo, |
2137 | const char *key, const char **value) | |
3c8687a7 | 2138 | { |
3b256228 BW |
2139 | git_config_check_init(repo); |
2140 | return git_configset_get_value(repo->config, key, value); | |
3c8687a7 TA |
2141 | } |
2142 | ||
3b256228 BW |
2143 | const struct string_list *repo_config_get_value_multi(struct repository *repo, |
2144 | const char *key) | |
2145 | { | |
2146 | git_config_check_init(repo); | |
2147 | return git_configset_get_value_multi(repo->config, key); | |
2148 | } | |
2149 | ||
2150 | int repo_config_get_string_const(struct repository *repo, | |
2151 | const char *key, const char **dest) | |
2152 | { | |
2153 | int ret; | |
2154 | git_config_check_init(repo); | |
2155 | ret = git_configset_get_string_const(repo->config, key, dest); | |
2156 | if (ret < 0) | |
2157 | git_die_config(key, NULL); | |
2158 | return ret; | |
2159 | } | |
2160 | ||
2161 | int repo_config_get_string(struct repository *repo, | |
2162 | const char *key, char **dest) | |
2163 | { | |
2164 | git_config_check_init(repo); | |
2165 | return repo_config_get_string_const(repo, key, (const char **)dest); | |
2166 | } | |
2167 | ||
2168 | int repo_config_get_int(struct repository *repo, | |
2169 | const char *key, int *dest) | |
2170 | { | |
2171 | git_config_check_init(repo); | |
2172 | return git_configset_get_int(repo->config, key, dest); | |
2173 | } | |
2174 | ||
2175 | int repo_config_get_ulong(struct repository *repo, | |
2176 | const char *key, unsigned long *dest) | |
2177 | { | |
2178 | git_config_check_init(repo); | |
2179 | return git_configset_get_ulong(repo->config, key, dest); | |
2180 | } | |
2181 | ||
2182 | int repo_config_get_bool(struct repository *repo, | |
2183 | const char *key, int *dest) | |
2184 | { | |
2185 | git_config_check_init(repo); | |
2186 | return git_configset_get_bool(repo->config, key, dest); | |
2187 | } | |
2188 | ||
2189 | int repo_config_get_bool_or_int(struct repository *repo, | |
2190 | const char *key, int *is_bool, int *dest) | |
2191 | { | |
2192 | git_config_check_init(repo); | |
2193 | return git_configset_get_bool_or_int(repo->config, key, is_bool, dest); | |
2194 | } | |
2195 | ||
2196 | int repo_config_get_maybe_bool(struct repository *repo, | |
2197 | const char *key, int *dest) | |
2198 | { | |
2199 | git_config_check_init(repo); | |
2200 | return git_configset_get_maybe_bool(repo->config, key, dest); | |
2201 | } | |
2202 | ||
2203 | int repo_config_get_pathname(struct repository *repo, | |
2204 | const char *key, const char **dest) | |
3c8687a7 | 2205 | { |
5a80e97c | 2206 | int ret; |
3b256228 BW |
2207 | git_config_check_init(repo); |
2208 | ret = git_configset_get_pathname(repo->config, key, dest); | |
5a80e97c TA |
2209 | if (ret < 0) |
2210 | git_die_config(key, NULL); | |
2211 | return ret; | |
3c8687a7 TA |
2212 | } |
2213 | ||
3b256228 BW |
2214 | /* Functions used historically to read configuration from 'the_repository' */ |
2215 | void git_config(config_fn_t fn, void *data) | |
2216 | { | |
2217 | repo_config(the_repository, fn, data); | |
2218 | } | |
2219 | ||
2220 | void git_config_clear(void) | |
2221 | { | |
2222 | repo_config_clear(the_repository); | |
2223 | } | |
2224 | ||
2225 | int git_config_get_value(const char *key, const char **value) | |
2226 | { | |
2227 | return repo_config_get_value(the_repository, key, value); | |
2228 | } | |
2229 | ||
2230 | const struct string_list *git_config_get_value_multi(const char *key) | |
2231 | { | |
2232 | return repo_config_get_value_multi(the_repository, key); | |
2233 | } | |
2234 | ||
2235 | int git_config_get_string_const(const char *key, const char **dest) | |
2236 | { | |
2237 | return repo_config_get_string_const(the_repository, key, dest); | |
2238 | } | |
2239 | ||
3c8687a7 TA |
2240 | int git_config_get_string(const char *key, char **dest) |
2241 | { | |
3b256228 | 2242 | return repo_config_get_string(the_repository, key, dest); |
3c8687a7 TA |
2243 | } |
2244 | ||
2245 | int git_config_get_int(const char *key, int *dest) | |
2246 | { | |
3b256228 | 2247 | return repo_config_get_int(the_repository, key, dest); |
3c8687a7 TA |
2248 | } |
2249 | ||
2250 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
2251 | { | |
3b256228 | 2252 | return repo_config_get_ulong(the_repository, key, dest); |
3c8687a7 TA |
2253 | } |
2254 | ||
2255 | int git_config_get_bool(const char *key, int *dest) | |
2256 | { | |
3b256228 | 2257 | return repo_config_get_bool(the_repository, key, dest); |
3c8687a7 TA |
2258 | } |
2259 | ||
2260 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
2261 | { | |
3b256228 | 2262 | return repo_config_get_bool_or_int(the_repository, key, is_bool, dest); |
3c8687a7 TA |
2263 | } |
2264 | ||
2265 | int git_config_get_maybe_bool(const char *key, int *dest) | |
2266 | { | |
3b256228 | 2267 | return repo_config_get_maybe_bool(the_repository, key, dest); |
3c8687a7 TA |
2268 | } |
2269 | ||
2270 | int git_config_get_pathname(const char *key, const char **dest) | |
2271 | { | |
3b256228 | 2272 | return repo_config_get_pathname(the_repository, key, dest); |
5a80e97c TA |
2273 | } |
2274 | ||
77d67977 CC |
2275 | int git_config_get_expiry(const char *key, const char **output) |
2276 | { | |
2277 | int ret = git_config_get_string_const(key, output); | |
2278 | if (ret) | |
2279 | return ret; | |
2280 | if (strcmp(*output, "now")) { | |
dddbad72 | 2281 | timestamp_t now = approxidate("now"); |
77d67977 CC |
2282 | if (approxidate(*output) >= now) |
2283 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
2284 | } | |
2285 | return ret; | |
2286 | } | |
2287 | ||
6e96cb52 JH |
2288 | int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now) |
2289 | { | |
2290 | char *expiry_string; | |
2291 | intmax_t days; | |
2292 | timestamp_t when; | |
2293 | ||
2294 | if (git_config_get_string(key, &expiry_string)) | |
2295 | return 1; /* no such thing */ | |
2296 | ||
2297 | if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) { | |
2298 | const int scale = 86400; | |
2299 | *expiry = now - days * scale; | |
2300 | return 0; | |
2301 | } | |
2302 | ||
2303 | if (!parse_expiry_date(expiry_string, &when)) { | |
2304 | *expiry = when; | |
2305 | return 0; | |
2306 | } | |
2307 | return -1; /* thing exists but cannot be parsed */ | |
2308 | } | |
2309 | ||
1f44b09b CC |
2310 | int git_config_get_split_index(void) |
2311 | { | |
2312 | int val; | |
2313 | ||
2314 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
2315 | return val; | |
2316 | ||
2317 | return -1; /* default value */ | |
2318 | } | |
2319 | ||
72dcb7b3 CC |
2320 | int git_config_get_max_percent_split_change(void) |
2321 | { | |
2322 | int val = -1; | |
2323 | ||
2324 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
2325 | if (0 <= val && val <= 100) | |
2326 | return val; | |
2327 | ||
2328 | return error(_("splitIndex.maxPercentChange value '%d' " | |
2329 | "should be between 0 and 100"), val); | |
2330 | } | |
2331 | ||
2332 | return -1; /* default value */ | |
2333 | } | |
2334 | ||
883e248b BP |
2335 | int git_config_get_fsmonitor(void) |
2336 | { | |
2337 | if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor)) | |
4cb54d0a | 2338 | core_fsmonitor = getenv("GIT_TEST_FSMONITOR"); |
883e248b BP |
2339 | |
2340 | if (core_fsmonitor && !*core_fsmonitor) | |
2341 | core_fsmonitor = NULL; | |
2342 | ||
2343 | if (core_fsmonitor) | |
2344 | return 1; | |
2345 | ||
2346 | return 0; | |
2347 | } | |
2348 | ||
2a9dedef | 2349 | int git_config_get_index_threads(int *dest) |
c780b9cf | 2350 | { |
2a9dedef | 2351 | int is_bool, val; |
c780b9cf BP |
2352 | |
2353 | val = git_env_ulong("GIT_TEST_INDEX_THREADS", 0); | |
2a9dedef JN |
2354 | if (val) { |
2355 | *dest = val; | |
2356 | return 0; | |
2357 | } | |
c780b9cf BP |
2358 | |
2359 | if (!git_config_get_bool_or_int("index.threads", &is_bool, &val)) { | |
2360 | if (is_bool) | |
2a9dedef | 2361 | *dest = val ? 0 : 1; |
c780b9cf | 2362 | else |
2a9dedef JN |
2363 | *dest = val; |
2364 | return 0; | |
c780b9cf BP |
2365 | } |
2366 | ||
2a9dedef | 2367 | return 1; |
c780b9cf BP |
2368 | } |
2369 | ||
5a80e97c TA |
2370 | NORETURN |
2371 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
2372 | { | |
2373 | if (!filename) | |
2374 | die(_("unable to parse '%s' from command-line config"), key); | |
2375 | else | |
2376 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
2377 | key, filename, linenr); | |
2378 | } | |
2379 | ||
2380 | NORETURN __attribute__((format(printf, 2, 3))) | |
2381 | void git_die_config(const char *key, const char *err, ...) | |
2382 | { | |
2383 | const struct string_list *values; | |
2384 | struct key_value_info *kv_info; | |
2385 | ||
2386 | if (err) { | |
2387 | va_list params; | |
2388 | va_start(params, err); | |
2389 | vreportf("error: ", err, params); | |
2390 | va_end(params); | |
2391 | } | |
2392 | values = git_config_get_value_multi(key); | |
2393 | kv_info = values->items[values->nr - 1].util; | |
2394 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
2395 | } |
2396 | ||
10bea152 JS |
2397 | /* |
2398 | * Find all the stuff for git_config_set() below. | |
2399 | */ | |
4ddba79d | 2400 | |
fee8572c | 2401 | struct config_store_data { |
f011a965 | 2402 | size_t baselen; |
4b25d091 | 2403 | char *key; |
f98d863d | 2404 | int do_not_match; |
4b25d091 | 2405 | regex_t *value_regex; |
4ddba79d | 2406 | int multi_replace; |
6ae996f2 JS |
2407 | struct { |
2408 | size_t begin, end; | |
2409 | enum config_event_t type; | |
22aedfcc | 2410 | int is_keys_section; |
6ae996f2 JS |
2411 | } *parsed; |
2412 | unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc; | |
5221c315 | 2413 | unsigned int key_seen:1, section_seen:1, is_keys_section:1; |
fee8572c | 2414 | }; |
10bea152 | 2415 | |
2a00e594 MÅ |
2416 | static void config_store_data_clear(struct config_store_data *store) |
2417 | { | |
e7347cb9 | 2418 | free(store->key); |
3b82542d MÅ |
2419 | if (store->value_regex != NULL && |
2420 | store->value_regex != CONFIG_REGEX_NONE) { | |
2421 | regfree(store->value_regex); | |
2422 | free(store->value_regex); | |
2423 | } | |
2a00e594 MÅ |
2424 | free(store->parsed); |
2425 | free(store->seen); | |
2426 | memset(store, 0, sizeof(*store)); | |
2427 | } | |
2428 | ||
fee8572c JS |
2429 | static int matches(const char *key, const char *value, |
2430 | const struct config_store_data *store) | |
f98d863d | 2431 | { |
fee8572c | 2432 | if (strcmp(key, store->key)) |
c1063be2 | 2433 | return 0; /* not ours */ |
fee8572c | 2434 | if (!store->value_regex) |
c1063be2 | 2435 | return 1; /* always matches */ |
fee8572c | 2436 | if (store->value_regex == CONFIG_REGEX_NONE) |
c1063be2 JK |
2437 | return 0; /* never matches */ |
2438 | ||
fee8572c JS |
2439 | return store->do_not_match ^ |
2440 | (value && !regexec(store->value_regex, value, 0, NULL, 0)); | |
f98d863d JS |
2441 | } |
2442 | ||
6ae996f2 JS |
2443 | static int store_aux_event(enum config_event_t type, |
2444 | size_t begin, size_t end, void *data) | |
2445 | { | |
2446 | struct config_store_data *store = data; | |
2447 | ||
2448 | ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc); | |
2449 | store->parsed[store->parsed_nr].begin = begin; | |
2450 | store->parsed[store->parsed_nr].end = end; | |
2451 | store->parsed[store->parsed_nr].type = type; | |
6ae996f2 JS |
2452 | |
2453 | if (type == CONFIG_EVENT_SECTION) { | |
2d84f13d SB |
2454 | int (*cmpfn)(const char *, const char *, size_t); |
2455 | ||
6ae996f2 | 2456 | if (cf->var.len < 2 || cf->var.buf[cf->var.len - 1] != '.') |
a769bfc7 | 2457 | return error(_("invalid section name '%s'"), cf->var.buf); |
6ae996f2 | 2458 | |
2d84f13d SB |
2459 | if (cf->subsection_case_sensitive) |
2460 | cmpfn = strncasecmp; | |
2461 | else | |
2462 | cmpfn = strncmp; | |
2463 | ||
6ae996f2 | 2464 | /* Is this the section we were looking for? */ |
22aedfcc JS |
2465 | store->is_keys_section = |
2466 | store->parsed[store->parsed_nr].is_keys_section = | |
2467 | cf->var.len - 1 == store->baselen && | |
2d84f13d | 2468 | !cmpfn(cf->var.buf, store->key, store->baselen); |
c71d8bb3 JS |
2469 | if (store->is_keys_section) { |
2470 | store->section_seen = 1; | |
2471 | ALLOC_GROW(store->seen, store->seen_nr + 1, | |
2472 | store->seen_alloc); | |
2473 | store->seen[store->seen_nr] = store->parsed_nr; | |
2474 | } | |
6ae996f2 JS |
2475 | } |
2476 | ||
22aedfcc JS |
2477 | store->parsed_nr++; |
2478 | ||
6ae996f2 | 2479 | return 0; |
f98d863d JS |
2480 | } |
2481 | ||
4b25d091 | 2482 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 2483 | { |
fee8572c | 2484 | struct config_store_data *store = cb; |
ae9ee41d | 2485 | |
5221c315 | 2486 | if (store->key_seen) { |
fee8572c | 2487 | if (matches(key, value, store)) { |
668b9ade | 2488 | if (store->seen_nr == 1 && store->multi_replace == 0) { |
8262aaa2 | 2489 | warning(_("%s has multiple values"), key); |
10bea152 | 2490 | } |
4ddba79d | 2491 | |
668b9ade JS |
2492 | ALLOC_GROW(store->seen, store->seen_nr + 1, |
2493 | store->seen_alloc); | |
83786fa4 | 2494 | |
6ae996f2 | 2495 | store->seen[store->seen_nr] = store->parsed_nr; |
668b9ade | 2496 | store->seen_nr++; |
10bea152 | 2497 | } |
5221c315 | 2498 | } else if (store->is_keys_section) { |
ae9ee41d | 2499 | /* |
6ae996f2 JS |
2500 | * Do not increment matches yet: this may not be a match, but we |
2501 | * are in the desired section. | |
ae9ee41d | 2502 | */ |
6ae996f2 JS |
2503 | ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc); |
2504 | store->seen[store->seen_nr] = store->parsed_nr; | |
5221c315 | 2505 | store->section_seen = 1; |
ae9ee41d | 2506 | |
6ae996f2 JS |
2507 | if (matches(key, value, store)) { |
2508 | store->seen_nr++; | |
2509 | store->key_seen = 1; | |
bdf0ef08 | 2510 | } |
10bea152 | 2511 | } |
5221c315 | 2512 | |
10bea152 JS |
2513 | return 0; |
2514 | } | |
2515 | ||
64c0d71c | 2516 | static int write_error(const char *filename) |
480c9e52 | 2517 | { |
a769bfc7 | 2518 | error(_("failed to write new configuration file %s"), filename); |
480c9e52 AW |
2519 | |
2520 | /* Same error code as "failed to rename". */ | |
2521 | return 4; | |
2522 | } | |
2523 | ||
fee8572c JS |
2524 | static struct strbuf store_create_section(const char *key, |
2525 | const struct config_store_data *store) | |
10bea152 | 2526 | { |
cb891a59 | 2527 | const char *dot; |
f011a965 | 2528 | size_t i; |
f285a2d7 | 2529 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 2530 | |
fee8572c | 2531 | dot = memchr(key, '.', store->baselen); |
d14f7764 | 2532 | if (dot) { |
cb891a59 | 2533 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
fee8572c | 2534 | for (i = dot - key + 1; i < store->baselen; i++) { |
e5c349ba | 2535 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
2536 | strbuf_addch(&sb, '\\'); |
2537 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 2538 | } |
cb891a59 KH |
2539 | strbuf_addstr(&sb, "\"]\n"); |
2540 | } else { | |
f011a965 JK |
2541 | strbuf_addch(&sb, '['); |
2542 | strbuf_add(&sb, key, store->baselen); | |
2543 | strbuf_addstr(&sb, "]\n"); | |
d14f7764 LT |
2544 | } |
2545 | ||
5463caab SD |
2546 | return sb; |
2547 | } | |
2548 | ||
fee8572c JS |
2549 | static ssize_t write_section(int fd, const char *key, |
2550 | const struct config_store_data *store) | |
5463caab | 2551 | { |
fee8572c | 2552 | struct strbuf sb = store_create_section(key, store); |
3b48045c | 2553 | ssize_t ret; |
5463caab | 2554 | |
782c030e | 2555 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 | 2556 | strbuf_release(&sb); |
480c9e52 | 2557 | |
d9bd4cbb | 2558 | return ret; |
10bea152 JS |
2559 | } |
2560 | ||
fee8572c JS |
2561 | static ssize_t write_pair(int fd, const char *key, const char *value, |
2562 | const struct config_store_data *store) | |
10bea152 | 2563 | { |
d9bd4cbb JK |
2564 | int i; |
2565 | ssize_t ret; | |
cb891a59 | 2566 | const char *quote = ""; |
f285a2d7 | 2567 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 2568 | |
6281f394 JM |
2569 | /* |
2570 | * Check to see if the value needs to be surrounded with a dq pair. | |
2571 | * Note that problematic characters are always backslash-quoted; this | |
2572 | * check is about not losing leading or trailing SP and strings that | |
2573 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
2574 | * configuration parser. | |
2575 | */ | |
cdd4fb15 | 2576 | if (value[0] == ' ') |
cb891a59 | 2577 | quote = "\""; |
cdd4fb15 BG |
2578 | for (i = 0; value[i]; i++) |
2579 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
2580 | quote = "\""; |
2581 | if (i && value[i - 1] == ' ') | |
2582 | quote = "\""; | |
2583 | ||
6c7e6963 | 2584 | strbuf_addf(&sb, "\t%s = %s", key + store->baselen + 1, quote); |
10bea152 | 2585 | |
10bea152 JS |
2586 | for (i = 0; value[i]; i++) |
2587 | switch (value[i]) { | |
480c9e52 | 2588 | case '\n': |
cb891a59 | 2589 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
2590 | break; |
2591 | case '\t': | |
cb891a59 | 2592 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
2593 | break; |
2594 | case '"': | |
2595 | case '\\': | |
cb891a59 | 2596 | strbuf_addch(&sb, '\\'); |
1cf01a34 | 2597 | /* fallthrough */ |
480c9e52 | 2598 | default: |
cb891a59 | 2599 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
2600 | break; |
2601 | } | |
cb891a59 KH |
2602 | strbuf_addf(&sb, "%s\n", quote); |
2603 | ||
d9bd4cbb | 2604 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 KH |
2605 | strbuf_release(&sb); |
2606 | ||
d9bd4cbb | 2607 | return ret; |
10bea152 JS |
2608 | } |
2609 | ||
22aedfcc JS |
2610 | /* |
2611 | * If we are about to unset the last key(s) in a section, and if there are | |
2612 | * no comments surrounding (or included in) the section, we will want to | |
2613 | * extend begin/end to remove the entire section. | |
2614 | * | |
2615 | * Note: the parameter `seen_ptr` points to the index into the store.seen | |
2616 | * array. * This index may be incremented if a section has more than one | |
2617 | * entry (which all are to be removed). | |
2618 | */ | |
2619 | static void maybe_remove_section(struct config_store_data *store, | |
22aedfcc JS |
2620 | size_t *begin_offset, size_t *end_offset, |
2621 | int *seen_ptr) | |
4ddba79d | 2622 | { |
22aedfcc JS |
2623 | size_t begin; |
2624 | int i, seen, section_seen = 0; | |
4ddba79d | 2625 | |
22aedfcc JS |
2626 | /* |
2627 | * First, ensure that this is the first key, and that there are no | |
2628 | * comments before the entry nor before the section header. | |
2629 | */ | |
2630 | seen = *seen_ptr; | |
2631 | for (i = store->seen[seen]; i > 0; i--) { | |
2632 | enum config_event_t type = store->parsed[i - 1].type; | |
2633 | ||
2634 | if (type == CONFIG_EVENT_COMMENT) | |
2635 | /* There is a comment before this entry or section */ | |
2636 | return; | |
2637 | if (type == CONFIG_EVENT_ENTRY) { | |
2638 | if (!section_seen) | |
2639 | /* This is not the section's first entry. */ | |
2640 | return; | |
2641 | /* We encountered no comment before the section. */ | |
2642 | break; | |
2643 | } | |
2644 | if (type == CONFIG_EVENT_SECTION) { | |
2645 | if (!store->parsed[i - 1].is_keys_section) | |
2646 | break; | |
2647 | section_seen = 1; | |
4ddba79d | 2648 | } |
7a31cc0f | 2649 | } |
22aedfcc JS |
2650 | begin = store->parsed[i].begin; |
2651 | ||
2652 | /* | |
2653 | * Next, make sure that we are removing he last key(s) in the section, | |
2654 | * and that there are no comments that are possibly about the current | |
2655 | * section. | |
2656 | */ | |
2657 | for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) { | |
2658 | enum config_event_t type = store->parsed[i].type; | |
4ddba79d | 2659 | |
22aedfcc JS |
2660 | if (type == CONFIG_EVENT_COMMENT) |
2661 | return; | |
2662 | if (type == CONFIG_EVENT_SECTION) { | |
2663 | if (store->parsed[i].is_keys_section) | |
2664 | continue; | |
2665 | break; | |
2666 | } | |
2667 | if (type == CONFIG_EVENT_ENTRY) { | |
2668 | if (++seen < store->seen_nr && | |
2669 | i == store->seen[seen]) | |
2670 | /* We want to remove this entry, too */ | |
2671 | continue; | |
2672 | /* There is another entry in this section. */ | |
2673 | return; | |
2674 | } | |
2675 | } | |
2676 | ||
2677 | /* | |
2678 | * We are really removing the last entry/entries from this section, and | |
2679 | * there are no enclosed or surrounding comments. Remove the entire, | |
2680 | * now-empty section. | |
2681 | */ | |
2682 | *seen_ptr = seen; | |
2683 | *begin_offset = begin; | |
2684 | if (i < store->parsed_nr) | |
2685 | *end_offset = store->parsed[i].begin; | |
2686 | else | |
2687 | *end_offset = store->parsed[store->parsed_nr - 1].end; | |
4ddba79d JS |
2688 | } |
2689 | ||
30598ad0 PS |
2690 | int git_config_set_in_file_gently(const char *config_filename, |
2691 | const char *key, const char *value) | |
5ec31182 | 2692 | { |
30598ad0 | 2693 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
2694 | } |
2695 | ||
3d180648 PS |
2696 | void git_config_set_in_file(const char *config_filename, |
2697 | const char *key, const char *value) | |
10bea152 | 2698 | { |
3d180648 | 2699 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
2700 | } |
2701 | ||
30598ad0 | 2702 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 2703 | { |
30598ad0 | 2704 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
2705 | } |
2706 | ||
3d180648 | 2707 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 2708 | { |
3d180648 | 2709 | git_config_set_multivar(key, value, NULL, 0); |
ee4512ed JH |
2710 | |
2711 | trace2_cmd_set_config(key, value); | |
10bea152 JS |
2712 | } |
2713 | ||
2714 | /* | |
2715 | * If value==NULL, unset in (remove from) config, | |
2716 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
c1063be2 JK |
2717 | * if value_regex==CONFIG_REGEX_NONE, do not match any existing values |
2718 | * (only add a new one) | |
4ddba79d JS |
2719 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
2720 | * else all matching key/values (regardless how many) are removed, | |
2721 | * before the new pair is written. | |
10bea152 JS |
2722 | * |
2723 | * Returns 0 on success. | |
2724 | * | |
2725 | * This function does this: | |
2726 | * | |
2727 | * - it locks the config file by creating ".git/config.lock" | |
2728 | * | |
2729 | * - it then parses the config using store_aux() as validator to find | |
2730 | * the position on the key/value pair to replace. If it is to be unset, | |
2731 | * it must be found exactly once. | |
2732 | * | |
2733 | * - the config file is mmap()ed and the part before the match (if any) is | |
2734 | * written to the lock file, then the changed part and the rest. | |
2735 | * | |
2736 | * - the config file is removed and the lock file rename()d to it. | |
2737 | * | |
2738 | */ | |
30598ad0 PS |
2739 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
2740 | const char *key, const char *value, | |
2741 | const char *value_regex, | |
2742 | int multi_replace) | |
10bea152 | 2743 | { |
54d160ec | 2744 | int fd = -1, in_fd = -1; |
dafc88b1 | 2745 | int ret; |
bfffb48c | 2746 | struct lock_file lock = LOCK_INIT; |
0a5f5759 | 2747 | char *filename_buf = NULL; |
3a1b3126 JK |
2748 | char *contents = NULL; |
2749 | size_t contents_sz; | |
fee8572c JS |
2750 | struct config_store_data store; |
2751 | ||
2752 | memset(&store, 0, sizeof(store)); | |
4ddba79d | 2753 | |
b09c53a3 LP |
2754 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
2755 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
2756 | if (ret) | |
dafc88b1 | 2757 | goto out_free; |
b17e659d JS |
2758 | |
2759 | store.multi_replace = multi_replace; | |
10bea152 | 2760 | |
0a5f5759 JK |
2761 | if (!config_filename) |
2762 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
2763 | |
2764 | /* | |
6cbf973c | 2765 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
2766 | * contents of .git/config will be written into it. |
2767 | */ | |
bfffb48c | 2768 | fd = hold_lock_file_for_update(&lock, config_filename, 0); |
6cbf973c | 2769 | if (fd < 0) { |
a769bfc7 | 2770 | error_errno(_("could not lock config file %s"), config_filename); |
7a397419 | 2771 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 2772 | goto out_free; |
10bea152 JS |
2773 | } |
2774 | ||
2775 | /* | |
2776 | * If .git/config does not exist yet, write a minimal version. | |
2777 | */ | |
88fb958b AR |
2778 | in_fd = open(config_filename, O_RDONLY); |
2779 | if ( in_fd < 0 ) { | |
88fb958b | 2780 | if ( ENOENT != errno ) { |
a769bfc7 | 2781 | error_errno(_("opening %s"), config_filename); |
7a397419 | 2782 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 2783 | goto out_free; |
88fb958b | 2784 | } |
10bea152 JS |
2785 | /* if nothing to unset, error out */ |
2786 | if (value == NULL) { | |
7a397419 | 2787 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2788 | goto out_free; |
10bea152 JS |
2789 | } |
2790 | ||
e7347cb9 MÅ |
2791 | free(store.key); |
2792 | store.key = xstrdup(key); | |
fee8572c JS |
2793 | if (write_section(fd, key, &store) < 0 || |
2794 | write_pair(fd, key, value, &store) < 0) | |
93c1e079 JH |
2795 | goto write_err_out; |
2796 | } else { | |
88fb958b | 2797 | struct stat st; |
3a1b3126 | 2798 | size_t copy_begin, copy_end; |
dc49cd76 | 2799 | int i, new_line = 0; |
6ae996f2 | 2800 | struct config_options opts; |
10bea152 JS |
2801 | |
2802 | if (value_regex == NULL) | |
2803 | store.value_regex = NULL; | |
c1063be2 JK |
2804 | else if (value_regex == CONFIG_REGEX_NONE) |
2805 | store.value_regex = CONFIG_REGEX_NONE; | |
10bea152 | 2806 | else { |
f98d863d JS |
2807 | if (value_regex[0] == '!') { |
2808 | store.do_not_match = 1; | |
2809 | value_regex++; | |
2810 | } else | |
2811 | store.do_not_match = 0; | |
2812 | ||
2d7320d0 | 2813 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
2814 | if (regcomp(store.value_regex, value_regex, |
2815 | REG_EXTENDED)) { | |
a769bfc7 | 2816 | error(_("invalid pattern: %s"), value_regex); |
3b82542d | 2817 | FREE_AND_NULL(store.value_regex); |
7a397419 | 2818 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2819 | goto out_free; |
10bea152 JS |
2820 | } |
2821 | } | |
2822 | ||
6ae996f2 JS |
2823 | ALLOC_GROW(store.parsed, 1, store.parsed_alloc); |
2824 | store.parsed[0].end = 0; | |
2825 | ||
2826 | memset(&opts, 0, sizeof(opts)); | |
2827 | opts.event_fn = store_aux_event; | |
2828 | opts.event_fn_data = &store; | |
10bea152 JS |
2829 | |
2830 | /* | |
6ae996f2 JS |
2831 | * After this, store.parsed will contain offsets of all the |
2832 | * parsed elements, and store.seen will contain a list of | |
2833 | * matches, as indices into store.parsed. | |
2834 | * | |
10bea152 JS |
2835 | * As a side effect, we make sure to transform only a valid |
2836 | * existing config file. | |
2837 | */ | |
6ae996f2 JS |
2838 | if (git_config_from_file_with_options(store_aux, |
2839 | config_filename, | |
2840 | &store, &opts)) { | |
a769bfc7 | 2841 | error(_("invalid config file %s"), config_filename); |
7a397419 | 2842 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 2843 | goto out_free; |
10bea152 JS |
2844 | } |
2845 | ||
4ddba79d | 2846 | /* if nothing to unset, or too many matches, error out */ |
668b9ade JS |
2847 | if ((store.seen_nr == 0 && value == NULL) || |
2848 | (store.seen_nr > 1 && multi_replace == 0)) { | |
7a397419 | 2849 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2850 | goto out_free; |
10bea152 JS |
2851 | } |
2852 | ||
29647d79 NTND |
2853 | if (fstat(in_fd, &st) == -1) { |
2854 | error_errno(_("fstat on %s failed"), config_filename); | |
2855 | ret = CONFIG_INVALID_FILE; | |
2856 | goto out_free; | |
2857 | } | |
2858 | ||
dc49cd76 | 2859 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
2860 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
2861 | MAP_PRIVATE, in_fd, 0); | |
2862 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
2863 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
2864 | errno = EISDIR; | |
a769bfc7 | 2865 | error_errno(_("unable to mmap '%s'"), config_filename); |
1570856b JK |
2866 | ret = CONFIG_INVALID_FILE; |
2867 | contents = NULL; | |
2868 | goto out_free; | |
2869 | } | |
10bea152 | 2870 | close(in_fd); |
54d160ec | 2871 | in_fd = -1; |
10bea152 | 2872 | |
bfffb48c | 2873 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 2874 | error_errno(_("chmod on %s failed"), get_lock_file_path(&lock)); |
daa22c6f EW |
2875 | ret = CONFIG_NO_WRITE; |
2876 | goto out_free; | |
2877 | } | |
2878 | ||
6ae996f2 JS |
2879 | if (store.seen_nr == 0) { |
2880 | if (!store.seen_alloc) { | |
2881 | /* Did not see key nor section */ | |
2882 | ALLOC_GROW(store.seen, 1, store.seen_alloc); | |
2883 | store.seen[0] = store.parsed_nr | |
2884 | - !!store.parsed_nr; | |
2885 | } | |
668b9ade | 2886 | store.seen_nr = 1; |
6ae996f2 | 2887 | } |
4ddba79d | 2888 | |
668b9ade | 2889 | for (i = 0, copy_begin = 0; i < store.seen_nr; i++) { |
6ae996f2 JS |
2890 | size_t replace_end; |
2891 | int j = store.seen[i]; | |
2892 | ||
46fc89ce | 2893 | new_line = 0; |
6ae996f2 | 2894 | if (!store.key_seen) { |
c71d8bb3 JS |
2895 | copy_end = store.parsed[j].end; |
2896 | /* include '\n' when copying section header */ | |
2897 | if (copy_end > 0 && copy_end < contents_sz && | |
2898 | contents[copy_end - 1] != '\n' && | |
2899 | contents[copy_end] == '\n') | |
2900 | copy_end++; | |
2901 | replace_end = copy_end; | |
6ae996f2 JS |
2902 | } else { |
2903 | replace_end = store.parsed[j].end; | |
2904 | copy_end = store.parsed[j].begin; | |
22aedfcc | 2905 | if (!value) |
a263ea84 | 2906 | maybe_remove_section(&store, |
22aedfcc JS |
2907 | ©_end, |
2908 | &replace_end, &i); | |
6ae996f2 JS |
2909 | /* |
2910 | * Swallow preceding white-space on the same | |
2911 | * line. | |
2912 | */ | |
2913 | while (copy_end > 0 ) { | |
2914 | char c = contents[copy_end - 1]; | |
2915 | ||
2916 | if (isspace(c) && c != '\n') | |
2917 | copy_end--; | |
2918 | else | |
2919 | break; | |
2920 | } | |
2921 | } | |
4ddba79d | 2922 | |
02e5ba4a JK |
2923 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
2924 | new_line = 1; | |
2925 | ||
4ddba79d JS |
2926 | /* write the first part of the config */ |
2927 | if (copy_end > copy_begin) { | |
93c1e079 | 2928 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 2929 | copy_end - copy_begin) < 0) |
93c1e079 JH |
2930 | goto write_err_out; |
2931 | if (new_line && | |
06f46f23 | 2932 | write_str_in_full(fd, "\n") < 0) |
93c1e079 | 2933 | goto write_err_out; |
4ddba79d | 2934 | } |
6ae996f2 | 2935 | copy_begin = replace_end; |
10bea152 JS |
2936 | } |
2937 | ||
10bea152 JS |
2938 | /* write the pair (value == NULL means unset) */ |
2939 | if (value != NULL) { | |
5221c315 | 2940 | if (!store.section_seen) { |
fee8572c | 2941 | if (write_section(fd, key, &store) < 0) |
93c1e079 | 2942 | goto write_err_out; |
480c9e52 | 2943 | } |
fee8572c | 2944 | if (write_pair(fd, key, value, &store) < 0) |
93c1e079 | 2945 | goto write_err_out; |
10bea152 JS |
2946 | } |
2947 | ||
2948 | /* write the rest of the config */ | |
dc49cd76 | 2949 | if (copy_begin < contents_sz) |
93c1e079 | 2950 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 2951 | contents_sz - copy_begin) < 0) |
93c1e079 | 2952 | goto write_err_out; |
7a64592c KB |
2953 | |
2954 | munmap(contents, contents_sz); | |
2955 | contents = NULL; | |
10bea152 JS |
2956 | } |
2957 | ||
bfffb48c | 2958 | if (commit_lock_file(&lock) < 0) { |
a769bfc7 | 2959 | error_errno(_("could not write config file %s"), config_filename); |
7a397419 | 2960 | ret = CONFIG_NO_WRITE; |
dafc88b1 | 2961 | goto out_free; |
10bea152 JS |
2962 | } |
2963 | ||
dafc88b1 SH |
2964 | ret = 0; |
2965 | ||
3c8687a7 TA |
2966 | /* Invalidate the config cache */ |
2967 | git_config_clear(); | |
2968 | ||
dafc88b1 | 2969 | out_free: |
bfffb48c | 2970 | rollback_lock_file(&lock); |
0a5f5759 | 2971 | free(filename_buf); |
3a1b3126 JK |
2972 | if (contents) |
2973 | munmap(contents, contents_sz); | |
54d160ec SS |
2974 | if (in_fd >= 0) |
2975 | close(in_fd); | |
2a00e594 | 2976 | config_store_data_clear(&store); |
dafc88b1 | 2977 | return ret; |
93c1e079 JH |
2978 | |
2979 | write_err_out: | |
bfffb48c | 2980 | ret = write_error(get_lock_file_path(&lock)); |
93c1e079 JH |
2981 | goto out_free; |
2982 | ||
10bea152 JS |
2983 | } |
2984 | ||
3d180648 PS |
2985 | void git_config_set_multivar_in_file(const char *config_filename, |
2986 | const char *key, const char *value, | |
2987 | const char *value_regex, int multi_replace) | |
b4c8aba6 | 2988 | { |
1cae428e JK |
2989 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
2990 | value_regex, multi_replace)) | |
2991 | return; | |
2992 | if (value) | |
8c3ca351 | 2993 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
2994 | else |
2995 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
2996 | } |
2997 | ||
30598ad0 PS |
2998 | int git_config_set_multivar_gently(const char *key, const char *value, |
2999 | const char *value_regex, int multi_replace) | |
5ec31182 | 3000 | { |
30598ad0 PS |
3001 | return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex, |
3002 | multi_replace); | |
5ec31182 RR |
3003 | } |
3004 | ||
3d180648 PS |
3005 | void git_config_set_multivar(const char *key, const char *value, |
3006 | const char *value_regex, int multi_replace) | |
5ec31182 | 3007 | { |
3d180648 PS |
3008 | git_config_set_multivar_in_file(NULL, key, value, value_regex, |
3009 | multi_replace); | |
5ec31182 RR |
3010 | } |
3011 | ||
118f8b24 PB |
3012 | static int section_name_match (const char *buf, const char *name) |
3013 | { | |
3014 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
3015 | if (buf[i] != '[') |
3016 | return 0; | |
3017 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
3018 | if (!dot && isspace(buf[i])) { |
3019 | dot = 1; | |
3020 | if (name[j++] != '.') | |
3021 | break; | |
3022 | for (i++; isspace(buf[i]); i++) | |
3023 | ; /* do nothing */ | |
3024 | if (buf[i] != '"') | |
3025 | break; | |
3026 | continue; | |
3027 | } | |
3028 | if (buf[i] == '\\' && dot) | |
3029 | i++; | |
3030 | else if (buf[i] == '"' && dot) { | |
3031 | for (i++; isspace(buf[i]); i++) | |
3032 | ; /* do_nothing */ | |
3033 | break; | |
3034 | } | |
3035 | if (buf[i] != name[j++]) | |
3036 | break; | |
3037 | } | |
a4c0d463 AV |
3038 | if (buf[i] == ']' && name[j] == 0) { |
3039 | /* | |
3040 | * We match, now just find the right length offset by | |
3041 | * gobbling up any whitespace after it, as well | |
3042 | */ | |
3043 | i++; | |
3044 | for (; buf[i] && isspace(buf[i]); i++) | |
3045 | ; /* do nothing */ | |
3046 | return i; | |
3047 | } | |
3048 | return 0; | |
118f8b24 PB |
3049 | } |
3050 | ||
94a35b1a JK |
3051 | static int section_name_is_ok(const char *name) |
3052 | { | |
3053 | /* Empty section names are bogus. */ | |
3054 | if (!*name) | |
3055 | return 0; | |
3056 | ||
3057 | /* | |
3058 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
3059 | * anything goes, so we can stop checking. | |
3060 | */ | |
3061 | for (; *name && *name != '.'; name++) | |
3062 | if (*name != '-' && !isalnum(*name)) | |
3063 | return 0; | |
3064 | return 1; | |
3065 | } | |
3066 | ||
118f8b24 | 3067 | /* if new_name == NULL, the section is removed instead */ |
52d59cc6 | 3068 | static int git_config_copy_or_rename_section_in_file(const char *config_filename, |
fee8572c JS |
3069 | const char *old_name, |
3070 | const char *new_name, int copy) | |
0667fcfb | 3071 | { |
118f8b24 | 3072 | int ret = 0, remove = 0; |
42bd39b5 | 3073 | char *filename_buf = NULL; |
837e34eb | 3074 | struct lock_file lock = LOCK_INIT; |
0667fcfb JS |
3075 | int out_fd; |
3076 | char buf[1024]; | |
4db7dbdb | 3077 | FILE *config_file = NULL; |
daa22c6f | 3078 | struct stat st; |
52d59cc6 | 3079 | struct strbuf copystr = STRBUF_INIT; |
fee8572c JS |
3080 | struct config_store_data store; |
3081 | ||
3082 | memset(&store, 0, sizeof(store)); | |
0667fcfb | 3083 | |
94a35b1a | 3084 | if (new_name && !section_name_is_ok(new_name)) { |
a769bfc7 | 3085 | ret = error(_("invalid section name: %s"), new_name); |
c06fa62d | 3086 | goto out_no_rollback; |
94a35b1a JK |
3087 | } |
3088 | ||
42bd39b5 JK |
3089 | if (!config_filename) |
3090 | config_filename = filename_buf = git_pathdup("config"); | |
3091 | ||
837e34eb | 3092 | out_fd = hold_lock_file_for_update(&lock, config_filename, 0); |
fc1905bb | 3093 | if (out_fd < 0) { |
a769bfc7 | 3094 | ret = error(_("could not lock config file %s"), config_filename); |
fc1905bb JH |
3095 | goto out; |
3096 | } | |
0667fcfb | 3097 | |
fc1905bb | 3098 | if (!(config_file = fopen(config_filename, "rb"))) { |
11dc1fcb NTND |
3099 | ret = warn_on_fopen_errors(config_filename); |
3100 | if (ret) | |
3101 | goto out; | |
01ebb9dc | 3102 | /* no config file means nothing to rename, no error */ |
6e45b43f | 3103 | goto commit_and_out; |
fc1905bb | 3104 | } |
0667fcfb | 3105 | |
29647d79 NTND |
3106 | if (fstat(fileno(config_file), &st) == -1) { |
3107 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
3108 | goto out; | |
3109 | } | |
daa22c6f | 3110 | |
837e34eb | 3111 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 3112 | ret = error_errno(_("chmod on %s failed"), |
837e34eb | 3113 | get_lock_file_path(&lock)); |
daa22c6f EW |
3114 | goto out; |
3115 | } | |
3116 | ||
0667fcfb JS |
3117 | while (fgets(buf, sizeof(buf), config_file)) { |
3118 | int i; | |
480c9e52 | 3119 | int length; |
52d59cc6 | 3120 | int is_section = 0; |
9a5abfc7 | 3121 | char *output = buf; |
0667fcfb JS |
3122 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
3123 | ; /* do nothing */ | |
3124 | if (buf[i] == '[') { | |
3125 | /* it's a section */ | |
52d59cc6 SD |
3126 | int offset; |
3127 | is_section = 1; | |
3128 | ||
3129 | /* | |
3130 | * When encountering a new section under -c we | |
3131 | * need to flush out any section we're already | |
3132 | * coping and begin anew. There might be | |
3133 | * multiple [branch "$name"] sections. | |
3134 | */ | |
3135 | if (copystr.len > 0) { | |
c5e3bc6e | 3136 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3137 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3138 | goto out; |
3139 | } | |
3140 | strbuf_reset(©str); | |
3141 | } | |
3142 | ||
3143 | offset = section_name_match(&buf[i], old_name); | |
a4c0d463 | 3144 | if (offset > 0) { |
118f8b24 PB |
3145 | ret++; |
3146 | if (new_name == NULL) { | |
3147 | remove = 1; | |
0667fcfb JS |
3148 | continue; |
3149 | } | |
0667fcfb | 3150 | store.baselen = strlen(new_name); |
52d59cc6 | 3151 | if (!copy) { |
fee8572c | 3152 | if (write_section(out_fd, new_name, &store) < 0) { |
0b646bca | 3153 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3154 | goto out; |
3155 | } | |
9a5abfc7 | 3156 | /* |
52d59cc6 SD |
3157 | * We wrote out the new section, with |
3158 | * a newline, now skip the old | |
3159 | * section's length | |
9a5abfc7 | 3160 | */ |
52d59cc6 SD |
3161 | output += offset + i; |
3162 | if (strlen(output) > 0) { | |
3163 | /* | |
3164 | * More content means there's | |
3165 | * a declaration to put on the | |
3166 | * next line; indent with a | |
3167 | * tab | |
3168 | */ | |
3169 | output -= 1; | |
3170 | output[0] = '\t'; | |
3171 | } | |
3172 | } else { | |
fee8572c | 3173 | copystr = store_create_section(new_name, &store); |
9a5abfc7 | 3174 | } |
0667fcfb | 3175 | } |
118f8b24 | 3176 | remove = 0; |
0667fcfb | 3177 | } |
118f8b24 PB |
3178 | if (remove) |
3179 | continue; | |
9a5abfc7 | 3180 | length = strlen(output); |
52d59cc6 SD |
3181 | |
3182 | if (!is_section && copystr.len > 0) { | |
3183 | strbuf_add(©str, output, length); | |
3184 | } | |
3185 | ||
06f46f23 | 3186 | if (write_in_full(out_fd, output, length) < 0) { |
837e34eb | 3187 | ret = write_error(get_lock_file_path(&lock)); |
480c9e52 AW |
3188 | goto out; |
3189 | } | |
0667fcfb | 3190 | } |
52d59cc6 SD |
3191 | |
3192 | /* | |
3193 | * Copy a trailing section at the end of the config, won't be | |
3194 | * flushed by the usual "flush because we have a new section | |
3195 | * logic in the loop above. | |
3196 | */ | |
3197 | if (copystr.len > 0) { | |
c5e3bc6e | 3198 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3199 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3200 | goto out; |
3201 | } | |
3202 | strbuf_reset(©str); | |
3203 | } | |
3204 | ||
fc1905bb | 3205 | fclose(config_file); |
4db7dbdb | 3206 | config_file = NULL; |
6e45b43f | 3207 | commit_and_out: |
837e34eb | 3208 | if (commit_lock_file(&lock) < 0) |
a769bfc7 | 3209 | ret = error_errno(_("could not write config file %s"), |
f0658ec9 | 3210 | config_filename); |
8b590075 | 3211 | out: |
4db7dbdb JS |
3212 | if (config_file) |
3213 | fclose(config_file); | |
837e34eb | 3214 | rollback_lock_file(&lock); |
c06fa62d | 3215 | out_no_rollback: |
42bd39b5 | 3216 | free(filename_buf); |
2a00e594 | 3217 | config_store_data_clear(&store); |
0667fcfb JS |
3218 | return ret; |
3219 | } | |
40ea4ed9 | 3220 | |
52d59cc6 SD |
3221 | int git_config_rename_section_in_file(const char *config_filename, |
3222 | const char *old_name, const char *new_name) | |
3223 | { | |
3224 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3225 | old_name, new_name, 0); | |
3226 | } | |
3227 | ||
42bd39b5 JK |
3228 | int git_config_rename_section(const char *old_name, const char *new_name) |
3229 | { | |
4a7bb5ba | 3230 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
3231 | } |
3232 | ||
52d59cc6 SD |
3233 | int git_config_copy_section_in_file(const char *config_filename, |
3234 | const char *old_name, const char *new_name) | |
3235 | { | |
3236 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3237 | old_name, new_name, 1); | |
3238 | } | |
3239 | ||
3240 | int git_config_copy_section(const char *old_name, const char *new_name) | |
3241 | { | |
3242 | return git_config_copy_section_in_file(NULL, old_name, new_name); | |
3243 | } | |
3244 | ||
40ea4ed9 JH |
3245 | /* |
3246 | * Call this to report error for your variable that should not | |
3247 | * get a boolean value (i.e. "[my] var" means "true"). | |
3248 | */ | |
a469a101 | 3249 | #undef config_error_nonbool |
40ea4ed9 JH |
3250 | int config_error_nonbool(const char *var) |
3251 | { | |
a769bfc7 | 3252 | return error(_("missing value for '%s'"), var); |
40ea4ed9 | 3253 | } |
1b86bbb0 JK |
3254 | |
3255 | int parse_config_key(const char *var, | |
3256 | const char *section, | |
f5914f4b | 3257 | const char **subsection, size_t *subsection_len, |
1b86bbb0 JK |
3258 | const char **key) |
3259 | { | |
1b86bbb0 JK |
3260 | const char *dot; |
3261 | ||
3262 | /* Does it start with "section." ? */ | |
e3394fdc | 3263 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
3264 | return -1; |
3265 | ||
3266 | /* | |
3267 | * Find the key; we don't know yet if we have a subsection, but we must | |
3268 | * parse backwards from the end, since the subsection may have dots in | |
3269 | * it, too. | |
3270 | */ | |
3271 | dot = strrchr(var, '.'); | |
3272 | *key = dot + 1; | |
3273 | ||
3274 | /* Did we have a subsection at all? */ | |
e3394fdc | 3275 | if (dot == var) { |
48f8d9f7 JK |
3276 | if (subsection) { |
3277 | *subsection = NULL; | |
3278 | *subsection_len = 0; | |
3279 | } | |
1b86bbb0 JK |
3280 | } |
3281 | else { | |
48f8d9f7 JK |
3282 | if (!subsection) |
3283 | return -1; | |
e3394fdc | 3284 | *subsection = var + 1; |
1b86bbb0 JK |
3285 | *subsection_len = dot - *subsection; |
3286 | } | |
3287 | ||
3288 | return 0; | |
3289 | } | |
473166b9 LS |
3290 | |
3291 | const char *current_config_origin_type(void) | |
3292 | { | |
1b8132d9 | 3293 | int type; |
0d44a2da JK |
3294 | if (current_config_kvi) |
3295 | type = current_config_kvi->origin_type; | |
3296 | else if(cf) | |
3297 | type = cf->origin_type; | |
3298 | else | |
033abf97 | 3299 | BUG("current_config_origin_type called outside config callback"); |
1b8132d9 VA |
3300 | |
3301 | switch (type) { | |
3302 | case CONFIG_ORIGIN_BLOB: | |
3303 | return "blob"; | |
3304 | case CONFIG_ORIGIN_FILE: | |
3305 | return "file"; | |
3306 | case CONFIG_ORIGIN_STDIN: | |
3307 | return "standard input"; | |
3308 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
3309 | return "submodule-blob"; | |
3310 | case CONFIG_ORIGIN_CMDLINE: | |
3311 | return "command line"; | |
3312 | default: | |
033abf97 | 3313 | BUG("unknown config origin type"); |
1b8132d9 | 3314 | } |
473166b9 LS |
3315 | } |
3316 | ||
a5cb4204 MR |
3317 | const char *config_scope_name(enum config_scope scope) |
3318 | { | |
3319 | switch (scope) { | |
3320 | case CONFIG_SCOPE_SYSTEM: | |
3321 | return "system"; | |
3322 | case CONFIG_SCOPE_GLOBAL: | |
3323 | return "global"; | |
6dc905d9 MR |
3324 | case CONFIG_SCOPE_LOCAL: |
3325 | return "local"; | |
3326 | case CONFIG_SCOPE_WORKTREE: | |
3327 | return "worktree"; | |
6766e41b MR |
3328 | case CONFIG_SCOPE_COMMAND: |
3329 | return "command"; | |
9a83d088 MR |
3330 | case CONFIG_SCOPE_SUBMODULE: |
3331 | return "submodule"; | |
a5cb4204 MR |
3332 | default: |
3333 | return "unknown"; | |
3334 | } | |
3335 | } | |
3336 | ||
473166b9 LS |
3337 | const char *current_config_name(void) |
3338 | { | |
0d44a2da JK |
3339 | const char *name; |
3340 | if (current_config_kvi) | |
3341 | name = current_config_kvi->filename; | |
3342 | else if (cf) | |
3343 | name = cf->name; | |
3344 | else | |
033abf97 | 3345 | BUG("current_config_name called outside config callback"); |
0d44a2da | 3346 | return name ? name : ""; |
473166b9 | 3347 | } |
9acc5911 JK |
3348 | |
3349 | enum config_scope current_config_scope(void) | |
3350 | { | |
3351 | if (current_config_kvi) | |
3352 | return current_config_kvi->scope; | |
3353 | else | |
3354 | return current_parsing_scope; | |
473166b9 | 3355 | } |
a73b3680 | 3356 | |
f2a2327a BW |
3357 | int current_config_line(void) |
3358 | { | |
3359 | if (current_config_kvi) | |
3360 | return current_config_kvi->linenr; | |
3361 | else | |
3362 | return cf->linenr; | |
3363 | } | |
3364 | ||
a73b3680 NTND |
3365 | int lookup_config(const char **mapping, int nr_mapping, const char *var) |
3366 | { | |
3367 | int i; | |
3368 | ||
3369 | for (i = 0; i < nr_mapping; i++) { | |
3370 | const char *name = mapping[i]; | |
3371 | ||
3372 | if (name && !strcasecmp(var, name)) | |
3373 | return i; | |
3374 | } | |
3375 | return -1; | |
3376 | } |