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Commit | Line | Data |
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10bea152 JS |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | * Copyright (C) Johannes Schindelin, 2005 | |
6 | * | |
7 | */ | |
17712991 | 8 | #include "cache.h" |
b2141fc1 | 9 | #include "config.h" |
697cc8ef | 10 | #include "lockfile.h" |
7f0e39fa | 11 | #include "exec_cmd.h" |
572e4f6a | 12 | #include "strbuf.h" |
2b64fc89 | 13 | #include "quote.h" |
3c8687a7 TA |
14 | #include "hashmap.h" |
15 | #include "string-list.h" | |
599446dc | 16 | #include "utf8.h" |
3efd0bed | 17 | #include "dir.h" |
17712991 | 18 | |
4d8dd149 HV |
19 | struct config_source { |
20 | struct config_source *prev; | |
21 | union { | |
22 | FILE *file; | |
1bc88819 HV |
23 | struct config_buf { |
24 | const char *buf; | |
25 | size_t len; | |
26 | size_t pos; | |
27 | } buf; | |
4d8dd149 | 28 | } u; |
1b8132d9 | 29 | enum config_origin_type origin_type; |
924aaf3e | 30 | const char *name; |
d14d4244 | 31 | const char *path; |
b2dc0945 | 32 | int die_on_error; |
924aaf3e RJ |
33 | int linenr; |
34 | int eof; | |
35 | struct strbuf value; | |
0971e992 | 36 | struct strbuf var; |
924aaf3e | 37 | |
49d6cfa5 JK |
38 | int (*do_fgetc)(struct config_source *c); |
39 | int (*do_ungetc)(int c, struct config_source *conf); | |
40 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
41 | }; |
42 | ||
0d44a2da JK |
43 | /* |
44 | * These variables record the "current" config source, which | |
45 | * can be accessed by parsing callbacks. | |
46 | * | |
47 | * The "cf" variable will be non-NULL only when we are actually parsing a real | |
48 | * config source (file, blob, cmdline, etc). | |
49 | * | |
50 | * The "current_config_kvi" variable will be non-NULL only when we are feeding | |
51 | * cached config from a configset into a callback. | |
52 | * | |
53 | * They should generally never be non-NULL at the same time. If they are both | |
54 | * NULL, then we aren't parsing anything (and depending on the function looking | |
55 | * at the variables, it's either a bug for it to be called in the first place, | |
56 | * or it's a function which can be reused for non-config purposes, and should | |
57 | * fall back to some sane behavior). | |
58 | */ | |
4d8dd149 | 59 | static struct config_source *cf; |
0d44a2da | 60 | static struct key_value_info *current_config_kvi; |
924aaf3e | 61 | |
9acc5911 JK |
62 | /* |
63 | * Similar to the variables above, this gives access to the "scope" of the | |
64 | * current value (repo, global, etc). For cached values, it can be found via | |
65 | * the current_config_kvi as above. During parsing, the current value can be | |
66 | * found in this variable. It's not part of "cf" because it transcends a single | |
67 | * file (i.e., a file included from .git/config is still in "repo" scope). | |
68 | */ | |
69 | static enum config_scope current_parsing_scope; | |
924aaf3e | 70 | |
8de7eeb5 JH |
71 | static int core_compression_seen; |
72 | static int pack_compression_seen; | |
960ccca6 DH |
73 | static int zlib_compression_seen; |
74 | ||
3c8687a7 TA |
75 | /* |
76 | * Default config_set that contains key-value pairs from the usual set of config | |
77 | * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG | |
78 | * config file and the global /etc/gitconfig) | |
79 | */ | |
80 | static struct config_set the_config_set; | |
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) | |
111 | die("BUG: config_buf can only ungetc the same character"); | |
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 JK |
123 | #define MAX_INCLUDE_DEPTH 10 |
124 | static const char include_depth_advice[] = | |
125 | "exceeded maximum include depth (%d) while including\n" | |
126 | " %s\n" | |
127 | "from\n" | |
128 | " %s\n" | |
129 | "Do you have circular includes?"; | |
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) |
8c3ca351 | 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) |
9b25a0b5 JK |
152 | return error("relative config includes must come from files"); |
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 JK |
162 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
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 | ||
3efd0bed NTND |
175 | static int prepare_include_condition_pattern(struct strbuf *pat) |
176 | { | |
177 | struct strbuf path = STRBUF_INIT; | |
178 | char *expanded; | |
179 | int prefix = 0; | |
180 | ||
86f95157 | 181 | expanded = expand_user_path(pat->buf, 1); |
3efd0bed NTND |
182 | if (expanded) { |
183 | strbuf_reset(pat); | |
184 | strbuf_addstr(pat, expanded); | |
185 | free(expanded); | |
186 | } | |
187 | ||
188 | if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) { | |
189 | const char *slash; | |
190 | ||
191 | if (!cf || !cf->path) | |
192 | return error(_("relative config include " | |
193 | "conditionals must come from files")); | |
194 | ||
86f95157 | 195 | strbuf_realpath(&path, cf->path, 1); |
3efd0bed NTND |
196 | slash = find_last_dir_sep(path.buf); |
197 | if (!slash) | |
198 | die("BUG: how is this possible?"); | |
199 | strbuf_splice(pat, 0, 1, path.buf, slash - path.buf); | |
200 | prefix = slash - path.buf + 1 /* slash */; | |
201 | } else if (!is_absolute_path(pat->buf)) | |
202 | strbuf_insert(pat, 0, "**/", 3); | |
203 | ||
204 | if (pat->len && is_dir_sep(pat->buf[pat->len - 1])) | |
205 | strbuf_addstr(pat, "**"); | |
206 | ||
207 | strbuf_release(&path); | |
208 | return prefix; | |
209 | } | |
210 | ||
2185fde5 NTND |
211 | static int include_by_gitdir(const struct config_options *opts, |
212 | const char *cond, size_t cond_len, int icase) | |
3efd0bed NTND |
213 | { |
214 | struct strbuf text = STRBUF_INIT; | |
215 | struct strbuf pattern = STRBUF_INIT; | |
216 | int ret = 0, prefix; | |
2185fde5 | 217 | const char *git_dir; |
3efd0bed | 218 | |
2185fde5 NTND |
219 | if (opts->git_dir) |
220 | git_dir = opts->git_dir; | |
221 | else if (have_git_dir()) | |
222 | git_dir = get_git_dir(); | |
223 | else | |
224 | goto done; | |
225 | ||
c9672ba4 | 226 | strbuf_realpath(&text, git_dir, 1); |
3efd0bed NTND |
227 | strbuf_add(&pattern, cond, cond_len); |
228 | prefix = prepare_include_condition_pattern(&pattern); | |
229 | ||
230 | if (prefix < 0) | |
231 | goto done; | |
232 | ||
233 | if (prefix > 0) { | |
234 | /* | |
235 | * perform literal matching on the prefix part so that | |
236 | * any wildcard character in it can't create side effects. | |
237 | */ | |
238 | if (text.len < prefix) | |
239 | goto done; | |
240 | if (!icase && strncmp(pattern.buf, text.buf, prefix)) | |
241 | goto done; | |
242 | if (icase && strncasecmp(pattern.buf, text.buf, prefix)) | |
243 | goto done; | |
244 | } | |
245 | ||
246 | ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, | |
247 | icase ? WM_CASEFOLD : 0, NULL); | |
248 | ||
249 | done: | |
250 | strbuf_release(&pattern); | |
251 | strbuf_release(&text); | |
252 | return ret; | |
253 | } | |
254 | ||
2185fde5 NTND |
255 | static int include_condition_is_true(const struct config_options *opts, |
256 | const char *cond, size_t cond_len) | |
3efd0bed NTND |
257 | { |
258 | ||
259 | if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len)) | |
2185fde5 | 260 | return include_by_gitdir(opts, cond, cond_len, 0); |
3efd0bed | 261 | else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len)) |
2185fde5 | 262 | return include_by_gitdir(opts, cond, cond_len, 1); |
3efd0bed NTND |
263 | |
264 | /* unknown conditionals are always false */ | |
265 | return 0; | |
266 | } | |
267 | ||
9b25a0b5 JK |
268 | int git_config_include(const char *var, const char *value, void *data) |
269 | { | |
270 | struct config_include_data *inc = data; | |
3efd0bed NTND |
271 | const char *cond, *key; |
272 | int cond_len; | |
9b25a0b5 JK |
273 | int ret; |
274 | ||
275 | /* | |
276 | * Pass along all values, including "include" directives; this makes it | |
277 | * possible to query information on the includes themselves. | |
278 | */ | |
279 | ret = inc->fn(var, value, inc->data); | |
280 | if (ret < 0) | |
281 | return ret; | |
282 | ||
37007c3a | 283 | if (!strcmp(var, "include.path")) |
9b25a0b5 | 284 | ret = handle_path_include(value, inc); |
3efd0bed NTND |
285 | |
286 | if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) && | |
2185fde5 | 287 | (cond && include_condition_is_true(inc->opts, cond, cond_len)) && |
3efd0bed NTND |
288 | !strcmp(key, "path")) |
289 | ret = handle_path_include(value, inc); | |
290 | ||
9b25a0b5 JK |
291 | return ret; |
292 | } | |
293 | ||
2b64fc89 JK |
294 | void git_config_push_parameter(const char *text) |
295 | { | |
296 | struct strbuf env = STRBUF_INIT; | |
297 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 298 | if (old && *old) { |
2b64fc89 JK |
299 | strbuf_addstr(&env, old); |
300 | strbuf_addch(&env, ' '); | |
301 | } | |
302 | sq_quote_buf(&env, text); | |
303 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
304 | strbuf_release(&env); | |
305 | } | |
306 | ||
ee98df3f JH |
307 | static inline int iskeychar(int c) |
308 | { | |
309 | return isalnum(c) || c == '-'; | |
310 | } | |
311 | ||
312 | /* | |
313 | * Auxiliary function to sanity-check and split the key into the section | |
314 | * identifier and variable name. | |
315 | * | |
316 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
317 | * -2 if there is no section name in the key. | |
318 | * | |
319 | * store_key - pointer to char* which will hold a copy of the key with | |
320 | * lowercase section and variable name | |
321 | * baselen - pointer to int which will hold the length of the | |
322 | * section + subsection part, can be NULL | |
323 | */ | |
324 | static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet) | |
325 | { | |
326 | int i, dot, baselen; | |
327 | const char *last_dot = strrchr(key, '.'); | |
328 | ||
329 | /* | |
330 | * Since "key" actually contains the section name and the real | |
331 | * key name separated by a dot, we have to know where the dot is. | |
332 | */ | |
333 | ||
334 | if (last_dot == NULL || last_dot == key) { | |
335 | if (!quiet) | |
336 | error("key does not contain a section: %s", key); | |
337 | return -CONFIG_NO_SECTION_OR_NAME; | |
338 | } | |
339 | ||
340 | if (!last_dot[1]) { | |
341 | if (!quiet) | |
342 | error("key does not contain variable name: %s", key); | |
343 | return -CONFIG_NO_SECTION_OR_NAME; | |
344 | } | |
345 | ||
346 | baselen = last_dot - key; | |
347 | if (baselen_) | |
348 | *baselen_ = baselen; | |
349 | ||
350 | /* | |
351 | * Validate the key and while at it, lower case it for matching. | |
352 | */ | |
353 | if (store_key) | |
354 | *store_key = xmallocz(strlen(key)); | |
355 | ||
356 | dot = 0; | |
357 | for (i = 0; key[i]; i++) { | |
358 | unsigned char c = key[i]; | |
359 | if (c == '.') | |
360 | dot = 1; | |
361 | /* Leave the extended basename untouched.. */ | |
362 | if (!dot || i > baselen) { | |
363 | if (!iskeychar(c) || | |
364 | (i == baselen + 1 && !isalpha(c))) { | |
365 | if (!quiet) | |
366 | error("invalid key: %s", key); | |
367 | goto out_free_ret_1; | |
368 | } | |
369 | c = tolower(c); | |
370 | } else if (c == '\n') { | |
371 | if (!quiet) | |
372 | error("invalid key (newline): %s", key); | |
373 | goto out_free_ret_1; | |
374 | } | |
375 | if (store_key) | |
376 | (*store_key)[i] = c; | |
377 | } | |
378 | ||
379 | return 0; | |
380 | ||
381 | out_free_ret_1: | |
382 | if (store_key) { | |
383 | free(*store_key); | |
384 | *store_key = NULL; | |
385 | } | |
386 | return -CONFIG_INVALID_KEY; | |
387 | } | |
388 | ||
389 | int git_config_parse_key(const char *key, char **store_key, int *baselen) | |
390 | { | |
391 | return git_config_parse_key_1(key, store_key, baselen, 0); | |
392 | } | |
393 | ||
394 | int git_config_key_is_valid(const char *key) | |
395 | { | |
396 | return !git_config_parse_key_1(key, NULL, NULL, 1); | |
397 | } | |
398 | ||
2496844b JK |
399 | int git_config_parse_parameter(const char *text, |
400 | config_fn_t fn, void *data) | |
8b1fa778 | 401 | { |
a789ca70 | 402 | const char *value; |
1274a155 | 403 | char *canonical_name; |
572e4f6a | 404 | struct strbuf **pair; |
1274a155 | 405 | int ret; |
a789ca70 | 406 | |
f77bccae | 407 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
408 | if (!pair[0]) |
409 | return error("bogus config parameter: %s", text); | |
a789ca70 JH |
410 | |
411 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 412 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
413 | value = pair[1] ? pair[1]->buf : ""; |
414 | } else { | |
415 | value = NULL; | |
416 | } | |
417 | ||
572e4f6a AR |
418 | strbuf_trim(pair[0]); |
419 | if (!pair[0]->len) { | |
420 | strbuf_list_free(pair); | |
06eb708f | 421 | return error("bogus config parameter: %s", text); |
8b1fa778 | 422 | } |
1274a155 JH |
423 | |
424 | if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) { | |
425 | ret = -1; | |
426 | } else { | |
427 | ret = (fn(canonical_name, value, data) < 0) ? -1 : 0; | |
428 | free(canonical_name); | |
572e4f6a AR |
429 | } |
430 | strbuf_list_free(pair); | |
1274a155 | 431 | return ret; |
8b1fa778 AR |
432 | } |
433 | ||
06eb708f JK |
434 | int git_config_from_parameters(config_fn_t fn, void *data) |
435 | { | |
2b64fc89 | 436 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
a77d6db6 | 437 | int ret = 0; |
2b64fc89 JK |
438 | char *envw; |
439 | const char **argv = NULL; | |
440 | int nr = 0, alloc = 0; | |
441 | int i; | |
3258258f | 442 | struct config_source source; |
2b64fc89 JK |
443 | |
444 | if (!env) | |
445 | return 0; | |
3258258f JK |
446 | |
447 | memset(&source, 0, sizeof(source)); | |
448 | source.prev = cf; | |
1b8132d9 | 449 | source.origin_type = CONFIG_ORIGIN_CMDLINE; |
3258258f JK |
450 | cf = &source; |
451 | ||
2b64fc89 JK |
452 | /* sq_dequote will write over it */ |
453 | envw = xstrdup(env); | |
454 | ||
455 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
a77d6db6 JK |
456 | ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT); |
457 | goto out; | |
2b64fc89 JK |
458 | } |
459 | ||
460 | for (i = 0; i < nr; i++) { | |
06eb708f | 461 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
a77d6db6 JK |
462 | ret = -1; |
463 | goto out; | |
2b64fc89 JK |
464 | } |
465 | } | |
466 | ||
a77d6db6 | 467 | out: |
2b64fc89 JK |
468 | free(argv); |
469 | free(envw); | |
3258258f | 470 | cf = source.prev; |
a77d6db6 | 471 | return ret; |
2b64fc89 JK |
472 | } |
473 | ||
17712991 LT |
474 | static int get_next_char(void) |
475 | { | |
49d6cfa5 | 476 | int c = cf->do_fgetc(cf); |
17712991 | 477 | |
dbb9a812 HV |
478 | if (c == '\r') { |
479 | /* DOS like systems */ | |
49d6cfa5 | 480 | c = cf->do_fgetc(cf); |
dbb9a812 | 481 | if (c != '\n') { |
5e0be134 JK |
482 | if (c != EOF) |
483 | cf->do_ungetc(c, cf); | |
dbb9a812 | 484 | c = '\r'; |
17712991 LT |
485 | } |
486 | } | |
dbb9a812 HV |
487 | if (c == '\n') |
488 | cf->linenr++; | |
489 | if (c == EOF) { | |
490 | cf->eof = 1; | |
b3b3f60b | 491 | cf->linenr++; |
dbb9a812 HV |
492 | c = '\n'; |
493 | } | |
17712991 LT |
494 | return c; |
495 | } | |
496 | ||
497 | static char *parse_value(void) | |
498 | { | |
e96c19c5 | 499 | int quote = 0, comment = 0, space = 0; |
17712991 | 500 | |
924aaf3e | 501 | strbuf_reset(&cf->value); |
17712991 LT |
502 | for (;;) { |
503 | int c = get_next_char(); | |
17712991 | 504 | if (c == '\n') { |
4b340593 MS |
505 | if (quote) { |
506 | cf->linenr--; | |
17712991 | 507 | return NULL; |
4b340593 | 508 | } |
924aaf3e | 509 | return cf->value.buf; |
17712991 LT |
510 | } |
511 | if (comment) | |
512 | continue; | |
513 | if (isspace(c) && !quote) { | |
924aaf3e | 514 | if (cf->value.len) |
ebdaae37 | 515 | space++; |
17712991 LT |
516 | continue; |
517 | } | |
7ebdba61 JS |
518 | if (!quote) { |
519 | if (c == ';' || c == '#') { | |
520 | comment = 1; | |
521 | continue; | |
522 | } | |
523 | } | |
ebdaae37 | 524 | for (; space; space--) |
924aaf3e | 525 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
526 | if (c == '\\') { |
527 | c = get_next_char(); | |
528 | switch (c) { | |
529 | case '\n': | |
530 | continue; | |
531 | case 't': | |
532 | c = '\t'; | |
533 | break; | |
534 | case 'b': | |
535 | c = '\b'; | |
536 | break; | |
537 | case 'n': | |
538 | c = '\n'; | |
539 | break; | |
5cbb401d LT |
540 | /* Some characters escape as themselves */ |
541 | case '\\': case '"': | |
542 | break; | |
543 | /* Reject unknown escape sequences */ | |
544 | default: | |
545 | return NULL; | |
17712991 | 546 | } |
924aaf3e | 547 | strbuf_addch(&cf->value, c); |
17712991 LT |
548 | continue; |
549 | } | |
550 | if (c == '"') { | |
551 | quote = 1-quote; | |
552 | continue; | |
553 | } | |
924aaf3e | 554 | strbuf_addch(&cf->value, c); |
17712991 LT |
555 | } |
556 | } | |
557 | ||
0971e992 | 558 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
559 | { |
560 | int c; | |
561 | char *value; | |
b3b3f60b | 562 | int ret; |
17712991 LT |
563 | |
564 | /* Get the full name */ | |
565 | for (;;) { | |
566 | c = get_next_char(); | |
924aaf3e | 567 | if (cf->eof) |
17712991 | 568 | break; |
38c5afa8 | 569 | if (!iskeychar(c)) |
17712991 | 570 | break; |
0971e992 | 571 | strbuf_addch(name, tolower(c)); |
17712991 | 572 | } |
0971e992 | 573 | |
17712991 LT |
574 | while (c == ' ' || c == '\t') |
575 | c = get_next_char(); | |
576 | ||
577 | value = NULL; | |
578 | if (c != '\n') { | |
579 | if (c != '=') | |
580 | return -1; | |
581 | value = parse_value(); | |
582 | if (!value) | |
583 | return -1; | |
584 | } | |
b3b3f60b MM |
585 | /* |
586 | * We already consumed the \n, but we need linenr to point to | |
587 | * the line we just parsed during the call to fn to get | |
588 | * accurate line number in error messages. | |
589 | */ | |
590 | cf->linenr--; | |
591 | ret = fn(name->buf, value, data); | |
e2e14251 JS |
592 | if (ret >= 0) |
593 | cf->linenr++; | |
b3b3f60b | 594 | return ret; |
17712991 LT |
595 | } |
596 | ||
0971e992 | 597 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
598 | { |
599 | do { | |
600 | if (c == '\n') | |
4b340593 | 601 | goto error_incomplete_line; |
d14f7764 LT |
602 | c = get_next_char(); |
603 | } while (isspace(c)); | |
604 | ||
605 | /* We require the format to be '[base "extension"]' */ | |
606 | if (c != '"') | |
607 | return -1; | |
0971e992 | 608 | strbuf_addch(name, '.'); |
d14f7764 LT |
609 | |
610 | for (;;) { | |
611 | int c = get_next_char(); | |
612 | if (c == '\n') | |
4b340593 | 613 | goto error_incomplete_line; |
d14f7764 LT |
614 | if (c == '"') |
615 | break; | |
616 | if (c == '\\') { | |
617 | c = get_next_char(); | |
618 | if (c == '\n') | |
4b340593 | 619 | goto error_incomplete_line; |
d14f7764 | 620 | } |
0971e992 | 621 | strbuf_addch(name, c); |
d14f7764 LT |
622 | } |
623 | ||
624 | /* Final ']' */ | |
625 | if (get_next_char() != ']') | |
626 | return -1; | |
0971e992 | 627 | return 0; |
4b340593 MS |
628 | error_incomplete_line: |
629 | cf->linenr--; | |
630 | return -1; | |
d14f7764 LT |
631 | } |
632 | ||
0971e992 | 633 | static int get_base_var(struct strbuf *name) |
17712991 | 634 | { |
17712991 LT |
635 | for (;;) { |
636 | int c = get_next_char(); | |
924aaf3e | 637 | if (cf->eof) |
17712991 LT |
638 | return -1; |
639 | if (c == ']') | |
0971e992 | 640 | return 0; |
d14f7764 | 641 | if (isspace(c)) |
0971e992 | 642 | return get_extended_base_var(name, c); |
38c5afa8 | 643 | if (!iskeychar(c) && c != '.') |
17712991 | 644 | return -1; |
0971e992 | 645 | strbuf_addch(name, tolower(c)); |
17712991 LT |
646 | } |
647 | } | |
648 | ||
4d8dd149 | 649 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
650 | { |
651 | int comment = 0; | |
652 | int baselen = 0; | |
0971e992 | 653 | struct strbuf *var = &cf->var; |
1b8132d9 VA |
654 | int error_return = 0; |
655 | char *error_msg = NULL; | |
17712991 | 656 | |
de056402 | 657 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 658 | const char *bomptr = utf8_bom; |
de056402 | 659 | |
17712991 LT |
660 | for (;;) { |
661 | int c = get_next_char(); | |
de056402 PB |
662 | if (bomptr && *bomptr) { |
663 | /* We are at the file beginning; skip UTF8-encoded BOM | |
664 | * if present. Sane editors won't put this in on their | |
665 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 666 | if (c == (*bomptr & 0377)) { |
de056402 PB |
667 | bomptr++; |
668 | continue; | |
669 | } else { | |
670 | /* Do not tolerate partial BOM. */ | |
671 | if (bomptr != utf8_bom) | |
672 | break; | |
673 | /* No BOM at file beginning. Cool. */ | |
674 | bomptr = NULL; | |
675 | } | |
676 | } | |
17712991 | 677 | if (c == '\n') { |
924aaf3e | 678 | if (cf->eof) |
17712991 LT |
679 | return 0; |
680 | comment = 0; | |
681 | continue; | |
682 | } | |
683 | if (comment || isspace(c)) | |
684 | continue; | |
685 | if (c == '#' || c == ';') { | |
686 | comment = 1; | |
687 | continue; | |
688 | } | |
689 | if (c == '[') { | |
0971e992 BW |
690 | /* Reset prior to determining a new stem */ |
691 | strbuf_reset(var); | |
692 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 693 | break; |
0971e992 BW |
694 | strbuf_addch(var, '.'); |
695 | baselen = var->len; | |
17712991 LT |
696 | continue; |
697 | } | |
698 | if (!isalpha(c)) | |
699 | break; | |
0971e992 BW |
700 | /* |
701 | * Truncate the var name back to the section header | |
702 | * stem prior to grabbing the suffix part of the name | |
703 | * and the value. | |
704 | */ | |
705 | strbuf_setlen(var, baselen); | |
706 | strbuf_addch(var, tolower(c)); | |
707 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
708 | break; |
709 | } | |
1b8132d9 VA |
710 | |
711 | switch (cf->origin_type) { | |
712 | case CONFIG_ORIGIN_BLOB: | |
713 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
714 | cf->linenr, cf->name); | |
715 | break; | |
716 | case CONFIG_ORIGIN_FILE: | |
717 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
718 | cf->linenr, cf->name); | |
719 | break; | |
720 | case CONFIG_ORIGIN_STDIN: | |
721 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
722 | cf->linenr); | |
723 | break; | |
724 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
725 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
726 | cf->linenr, cf->name); | |
727 | break; | |
728 | case CONFIG_ORIGIN_CMDLINE: | |
729 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
730 | cf->linenr, cf->name); | |
731 | break; | |
732 | default: | |
733 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
734 | cf->linenr, cf->name); | |
735 | } | |
736 | ||
b2dc0945 | 737 | if (cf->die_on_error) |
1b8132d9 | 738 | die("%s", error_msg); |
b2dc0945 | 739 | else |
1b8132d9 VA |
740 | error_return = error("%s", error_msg); |
741 | ||
742 | free(error_msg); | |
743 | return error_return; | |
17712991 LT |
744 | } |
745 | ||
ebaa1bd4 | 746 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
747 | { |
748 | if (!*end) | |
749 | return 1; | |
c8deb5a1 SP |
750 | else if (!strcasecmp(end, "k")) { |
751 | *val *= 1024; | |
752 | return 1; | |
753 | } | |
754 | else if (!strcasecmp(end, "m")) { | |
755 | *val *= 1024 * 1024; | |
756 | return 1; | |
757 | } | |
758 | else if (!strcasecmp(end, "g")) { | |
759 | *val *= 1024 * 1024 * 1024; | |
760 | return 1; | |
761 | } | |
762 | return 0; | |
0b87b6e0 BD |
763 | } |
764 | ||
7192777d | 765 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
766 | { |
767 | if (value && *value) { | |
768 | char *end; | |
ebaa1bd4 NA |
769 | intmax_t val; |
770 | uintmax_t uval; | |
771 | uintmax_t factor = 1; | |
772 | ||
773 | errno = 0; | |
774 | val = strtoimax(value, &end, 0); | |
775 | if (errno == ERANGE) | |
776 | return 0; | |
33fdd77e JK |
777 | if (!parse_unit_factor(end, &factor)) { |
778 | errno = EINVAL; | |
c8deb5a1 | 779 | return 0; |
33fdd77e | 780 | } |
83915ba5 | 781 | uval = labs(val); |
ebaa1bd4 | 782 | uval *= factor; |
83915ba5 | 783 | if (uval > max || labs(val) > uval) { |
33fdd77e | 784 | errno = ERANGE; |
ebaa1bd4 | 785 | return 0; |
33fdd77e | 786 | } |
ebaa1bd4 NA |
787 | val *= factor; |
788 | *ret = val; | |
0b87b6e0 BD |
789 | return 1; |
790 | } | |
33fdd77e | 791 | errno = EINVAL; |
0b87b6e0 BD |
792 | return 0; |
793 | } | |
794 | ||
0b4dc661 | 795 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
796 | { |
797 | if (value && *value) { | |
798 | char *end; | |
ebaa1bd4 NA |
799 | uintmax_t val; |
800 | uintmax_t oldval; | |
801 | ||
802 | errno = 0; | |
803 | val = strtoumax(value, &end, 0); | |
804 | if (errno == ERANGE) | |
805 | return 0; | |
806 | oldval = val; | |
33fdd77e JK |
807 | if (!parse_unit_factor(end, &val)) { |
808 | errno = EINVAL; | |
c8deb5a1 | 809 | return 0; |
33fdd77e JK |
810 | } |
811 | if (val > max || oldval > val) { | |
812 | errno = ERANGE; | |
ebaa1bd4 | 813 | return 0; |
33fdd77e | 814 | } |
c8deb5a1 | 815 | *ret = val; |
0b87b6e0 | 816 | return 1; |
17712991 | 817 | } |
33fdd77e | 818 | errno = EINVAL; |
0b87b6e0 BD |
819 | return 0; |
820 | } | |
821 | ||
42d194e9 | 822 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 823 | { |
7192777d | 824 | intmax_t tmp; |
42d194e9 | 825 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
826 | return 0; |
827 | *ret = tmp; | |
828 | return 1; | |
829 | } | |
830 | ||
00160242 JK |
831 | static int git_parse_int64(const char *value, int64_t *ret) |
832 | { | |
833 | intmax_t tmp; | |
834 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
835 | return 0; | |
836 | *ret = tmp; | |
837 | return 1; | |
838 | } | |
839 | ||
7192777d JK |
840 | int git_parse_ulong(const char *value, unsigned long *ret) |
841 | { | |
842 | uintmax_t tmp; | |
843 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
844 | return 0; | |
845 | *ret = tmp; | |
846 | return 1; | |
847 | } | |
848 | ||
37ee680d DT |
849 | static int git_parse_ssize_t(const char *value, ssize_t *ret) |
850 | { | |
851 | intmax_t tmp; | |
852 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t))) | |
853 | return 0; | |
854 | *ret = tmp; | |
855 | return 1; | |
856 | } | |
857 | ||
06bdc23b | 858 | NORETURN |
2f666581 | 859 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 860 | { |
078fe305 JNA |
861 | const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit"); |
862 | ||
2f666581 JK |
863 | if (!value) |
864 | value = ""; | |
865 | ||
1b8132d9 | 866 | if (!(cf && cf->name)) |
078fe305 JNA |
867 | die(_("bad numeric config value '%s' for '%s': %s"), |
868 | value, name, error_type); | |
1b8132d9 VA |
869 | |
870 | switch (cf->origin_type) { | |
871 | case CONFIG_ORIGIN_BLOB: | |
078fe305 JNA |
872 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
873 | value, name, cf->name, error_type); | |
1b8132d9 | 874 | case CONFIG_ORIGIN_FILE: |
078fe305 JNA |
875 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
876 | value, name, cf->name, error_type); | |
1b8132d9 | 877 | case CONFIG_ORIGIN_STDIN: |
078fe305 JNA |
878 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
879 | value, name, error_type); | |
1b8132d9 | 880 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 JNA |
881 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
882 | value, name, cf->name, error_type); | |
1b8132d9 | 883 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 JNA |
884 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
885 | value, name, cf->name, error_type); | |
1b8132d9 | 886 | default: |
078fe305 JNA |
887 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
888 | value, name, cf->name, error_type); | |
1b8132d9 | 889 | } |
c1867cea JK |
890 | } |
891 | ||
0b87b6e0 BD |
892 | int git_config_int(const char *name, const char *value) |
893 | { | |
42d194e9 JK |
894 | int ret; |
895 | if (!git_parse_int(value, &ret)) | |
2f666581 | 896 | die_bad_number(name, value); |
0b87b6e0 BD |
897 | return ret; |
898 | } | |
899 | ||
00160242 JK |
900 | int64_t git_config_int64(const char *name, const char *value) |
901 | { | |
902 | int64_t ret; | |
903 | if (!git_parse_int64(value, &ret)) | |
904 | die_bad_number(name, value); | |
0b87b6e0 BD |
905 | return ret; |
906 | } | |
907 | ||
908 | unsigned long git_config_ulong(const char *name, const char *value) | |
909 | { | |
910 | unsigned long ret; | |
911 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 912 | die_bad_number(name, value); |
0b87b6e0 | 913 | return ret; |
17712991 LT |
914 | } |
915 | ||
37ee680d DT |
916 | ssize_t git_config_ssize_t(const char *name, const char *value) |
917 | { | |
918 | ssize_t ret; | |
919 | if (!git_parse_ssize_t(value, &ret)) | |
920 | die_bad_number(name, value); | |
921 | return ret; | |
922 | } | |
923 | ||
9a549d43 | 924 | int git_parse_maybe_bool(const char *value) |
17712991 LT |
925 | { |
926 | if (!value) | |
927 | return 1; | |
928 | if (!*value) | |
929 | return 0; | |
8420ccd8 JH |
930 | if (!strcasecmp(value, "true") |
931 | || !strcasecmp(value, "yes") | |
932 | || !strcasecmp(value, "on")) | |
17712991 | 933 | return 1; |
8420ccd8 JH |
934 | if (!strcasecmp(value, "false") |
935 | || !strcasecmp(value, "no") | |
936 | || !strcasecmp(value, "off")) | |
17712991 | 937 | return 0; |
8420ccd8 JH |
938 | return -1; |
939 | } | |
940 | ||
b2be2f6a JK |
941 | int git_config_maybe_bool(const char *name, const char *value) |
942 | { | |
9a549d43 | 943 | int v = git_parse_maybe_bool(value); |
b2be2f6a JK |
944 | if (0 <= v) |
945 | return v; | |
42d194e9 | 946 | if (git_parse_int(value, &v)) |
db6195ef | 947 | return !!v; |
b2be2f6a JK |
948 | return -1; |
949 | } | |
950 | ||
8420ccd8 JH |
951 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
952 | { | |
9a549d43 | 953 | int v = git_parse_maybe_bool(value); |
8420ccd8 JH |
954 | if (0 <= v) { |
955 | *is_bool = 1; | |
956 | return v; | |
957 | } | |
a53f2ec6 | 958 | *is_bool = 0; |
c35b0b58 | 959 | return git_config_int(name, value); |
17712991 LT |
960 | } |
961 | ||
a53f2ec6 JH |
962 | int git_config_bool(const char *name, const char *value) |
963 | { | |
964 | int discard; | |
c35b0b58 | 965 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
966 | } |
967 | ||
ea5105a5 CC |
968 | int git_config_string(const char **dest, const char *var, const char *value) |
969 | { | |
970 | if (!value) | |
971 | return config_error_nonbool(var); | |
972 | *dest = xstrdup(value); | |
973 | return 0; | |
974 | } | |
975 | ||
395de250 MM |
976 | int git_config_pathname(const char **dest, const char *var, const char *value) |
977 | { | |
978 | if (!value) | |
979 | return config_error_nonbool(var); | |
4aad2f16 | 980 | *dest = expand_user_path(value, 0); |
395de250 | 981 | if (!*dest) |
8262aaa2 | 982 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
983 | return 0; |
984 | } | |
985 | ||
806e2ad7 | 986 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
987 | { |
988 | /* This needs a better name */ | |
989 | if (!strcmp(var, "core.filemode")) { | |
990 | trust_executable_bit = git_config_bool(var, value); | |
991 | return 0; | |
992 | } | |
1ce4790b AR |
993 | if (!strcmp(var, "core.trustctime")) { |
994 | trust_ctime = git_config_bool(var, value); | |
995 | return 0; | |
996 | } | |
c1b5d738 | 997 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
998 | if (!strcasecmp(value, "default")) |
999 | check_stat = 1; | |
1000 | else if (!strcasecmp(value, "minimal")) | |
1001 | check_stat = 0; | |
1002 | } | |
17712991 | 1003 | |
9378c161 JH |
1004 | if (!strcmp(var, "core.quotepath")) { |
1005 | quote_path_fully = git_config_bool(var, value); | |
1006 | return 0; | |
1007 | } | |
1008 | ||
78a8d641 JS |
1009 | if (!strcmp(var, "core.symlinks")) { |
1010 | has_symlinks = git_config_bool(var, value); | |
1011 | return 0; | |
1012 | } | |
1013 | ||
0a9b88b7 LT |
1014 | if (!strcmp(var, "core.ignorecase")) { |
1015 | ignore_case = git_config_bool(var, value); | |
1016 | return 0; | |
1017 | } | |
1018 | ||
64589a03 JH |
1019 | if (!strcmp(var, "core.attributesfile")) |
1020 | return git_config_pathname(&git_attributes_file, var, value); | |
1021 | ||
867ad08a ÆAB |
1022 | if (!strcmp(var, "core.hookspath")) |
1023 | return git_config_pathname(&git_hooks_path, var, value); | |
1024 | ||
7d1864ce JH |
1025 | if (!strcmp(var, "core.bare")) { |
1026 | is_bare_repository_cfg = git_config_bool(var, value); | |
1027 | return 0; | |
1028 | } | |
1029 | ||
5f73076c JH |
1030 | if (!strcmp(var, "core.ignorestat")) { |
1031 | assume_unchanged = git_config_bool(var, value); | |
1032 | return 0; | |
1033 | } | |
1034 | ||
e388c738 JH |
1035 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
1036 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
1037 | return 0; |
1038 | } | |
1039 | ||
6de08ae6 | 1040 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
1041 | if (value && !strcasecmp(value, "always")) |
1042 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
1043 | else if (git_config_bool(var, value)) | |
1044 | log_all_ref_updates = LOG_REFS_NORMAL; | |
1045 | else | |
1046 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
1047 | return 0; |
1048 | } | |
1049 | ||
2f8acdb3 JH |
1050 | if (!strcmp(var, "core.warnambiguousrefs")) { |
1051 | warn_ambiguous_refs = git_config_bool(var, value); | |
1052 | return 0; | |
1053 | } | |
1054 | ||
a71f09fe | 1055 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
1056 | if (!value) |
1057 | return config_error_nonbool(var); | |
1058 | if (!strcasecmp(value, "auto")) | |
1059 | default_abbrev = -1; | |
1060 | else { | |
1061 | int abbrev = git_config_int(var, value); | |
1062 | if (abbrev < minimum_abbrev || abbrev > 40) | |
1063 | return error("abbrev length out of range: %d", abbrev); | |
1064 | default_abbrev = abbrev; | |
1065 | } | |
dce96489 LT |
1066 | return 0; |
1067 | } | |
1068 | ||
5b33cb1f JK |
1069 | if (!strcmp(var, "core.disambiguate")) |
1070 | return set_disambiguate_hint_config(var, value); | |
1071 | ||
960ccca6 | 1072 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
1073 | int level = git_config_int(var, value); |
1074 | if (level == -1) | |
1075 | level = Z_DEFAULT_COMPRESSION; | |
1076 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1077 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 1078 | zlib_compression_level = level; |
960ccca6 DH |
1079 | zlib_compression_seen = 1; |
1080 | return 0; | |
1081 | } | |
1082 | ||
1083 | if (!strcmp(var, "core.compression")) { | |
1084 | int level = git_config_int(var, value); | |
1085 | if (level == -1) | |
1086 | level = Z_DEFAULT_COMPRESSION; | |
1087 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1088 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
1089 | core_compression_level = level; |
1090 | core_compression_seen = 1; | |
1091 | if (!zlib_compression_seen) | |
1092 | zlib_compression_level = level; | |
8de7eeb5 JH |
1093 | if (!pack_compression_seen) |
1094 | pack_compression_level = level; | |
12f6c308 JBH |
1095 | return 0; |
1096 | } | |
1097 | ||
60bb8b14 | 1098 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 1099 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 1100 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
1101 | |
1102 | /* This value must be multiple of (pagesize * 2) */ | |
1103 | packed_git_window_size /= pgsz_x2; | |
1104 | if (packed_git_window_size < 1) | |
1105 | packed_git_window_size = 1; | |
1106 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
1107 | return 0; |
1108 | } | |
1109 | ||
15366280 | 1110 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 1111 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
1112 | return 0; |
1113 | } | |
1114 | ||
77ccc5bb | 1115 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 1116 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
1117 | return 0; |
1118 | } | |
1119 | ||
18bdec11 | 1120 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 1121 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
1122 | return 0; |
1123 | } | |
1124 | ||
6c510bee | 1125 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 1126 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 1127 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
1128 | return 0; |
1129 | } | |
6c510bee LT |
1130 | auto_crlf = git_config_bool(var, value); |
1131 | return 0; | |
1132 | } | |
1133 | ||
21e5ad50 SP |
1134 | if (!strcmp(var, "core.safecrlf")) { |
1135 | if (value && !strcasecmp(value, "warn")) { | |
1136 | safe_crlf = SAFE_CRLF_WARN; | |
1137 | return 0; | |
1138 | } | |
1139 | safe_crlf = git_config_bool(var, value); | |
1140 | return 0; | |
1141 | } | |
1142 | ||
942e7747 EB |
1143 | if (!strcmp(var, "core.eol")) { |
1144 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 1145 | core_eol = EOL_LF; |
942e7747 | 1146 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 1147 | core_eol = EOL_CRLF; |
942e7747 | 1148 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 1149 | core_eol = EOL_NATIVE; |
942e7747 | 1150 | else |
ec70f52f | 1151 | core_eol = EOL_UNSET; |
942e7747 EB |
1152 | return 0; |
1153 | } | |
1154 | ||
a97a7468 JS |
1155 | if (!strcmp(var, "core.notesref")) { |
1156 | notes_ref_name = xstrdup(value); | |
1157 | return 0; | |
1158 | } | |
1159 | ||
806e2ad7 LT |
1160 | if (!strcmp(var, "core.editor")) |
1161 | return git_config_string(&editor_program, var, value); | |
1162 | ||
eff80a9f | 1163 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
1164 | if (!value) |
1165 | return config_error_nonbool(var); | |
ad524f83 | 1166 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 1167 | auto_comment_line_char = 1; |
ad524f83 | 1168 | else if (value[0] && !value[1]) { |
649409b7 | 1169 | comment_line_char = value[0]; |
84c9dc2c | 1170 | auto_comment_line_char = 0; |
50b54fd7 NTND |
1171 | } else |
1172 | return error("core.commentChar should only be one character"); | |
1173 | return 0; | |
eff80a9f JH |
1174 | } |
1175 | ||
d3e7da89 AK |
1176 | if (!strcmp(var, "core.askpass")) |
1177 | return git_config_string(&askpass_program, var, value); | |
1178 | ||
806e2ad7 | 1179 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 1180 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
1181 | |
1182 | if (!strcmp(var, "core.whitespace")) { | |
1183 | if (!value) | |
1184 | return config_error_nonbool(var); | |
1185 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
1186 | return 0; | |
1187 | } | |
1188 | ||
aafe9fba LT |
1189 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
1190 | fsync_object_files = git_config_bool(var, value); | |
1191 | return 0; | |
1192 | } | |
1193 | ||
671c9b7e LT |
1194 | if (!strcmp(var, "core.preloadindex")) { |
1195 | core_preload_index = git_config_bool(var, value); | |
1196 | return 0; | |
1197 | } | |
1198 | ||
348df166 JS |
1199 | if (!strcmp(var, "core.createobject")) { |
1200 | if (!strcmp(value, "rename")) | |
1201 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
1202 | else if (!strcmp(value, "link")) | |
1203 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
1204 | else | |
8262aaa2 | 1205 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
1206 | return 0; |
1207 | } | |
1208 | ||
08aefc9e NTND |
1209 | if (!strcmp(var, "core.sparsecheckout")) { |
1210 | core_apply_sparse_checkout = git_config_bool(var, value); | |
1211 | return 0; | |
1212 | } | |
1213 | ||
76759c7d TB |
1214 | if (!strcmp(var, "core.precomposeunicode")) { |
1215 | precomposed_unicode = git_config_bool(var, value); | |
1216 | return 0; | |
1217 | } | |
1218 | ||
a42643aa JK |
1219 | if (!strcmp(var, "core.protecthfs")) { |
1220 | protect_hfs = git_config_bool(var, value); | |
1221 | return 0; | |
1222 | } | |
1223 | ||
2b4c6efc JS |
1224 | if (!strcmp(var, "core.protectntfs")) { |
1225 | protect_ntfs = git_config_bool(var, value); | |
1226 | return 0; | |
76759c7d TB |
1227 | } |
1228 | ||
f30afdab JS |
1229 | if (!strcmp(var, "core.hidedotfiles")) { |
1230 | if (value && !strcasecmp(value, "dotgitonly")) | |
1231 | hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; | |
1232 | else | |
1233 | hide_dotfiles = git_config_bool(var, value); | |
1234 | return 0; | |
1235 | } | |
1236 | ||
806e2ad7 LT |
1237 | /* Add other config variables here and to Documentation/config.txt. */ |
1238 | return 0; | |
1239 | } | |
1240 | ||
1141f492 | 1241 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1242 | { |
ea5105a5 CC |
1243 | if (!strcmp(var, "i18n.commitencoding")) |
1244 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1245 | |
ea5105a5 CC |
1246 | if (!strcmp(var, "i18n.logoutputencoding")) |
1247 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1248 | |
1141f492 LT |
1249 | /* Add other config variables here and to Documentation/config.txt. */ |
1250 | return 0; | |
1251 | } | |
039bc64e | 1252 | |
1141f492 LT |
1253 | static int git_default_branch_config(const char *var, const char *value) |
1254 | { | |
9ed36cfa JS |
1255 | if (!strcmp(var, "branch.autosetupmerge")) { |
1256 | if (value && !strcasecmp(value, "always")) { | |
1257 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
1258 | return 0; | |
1259 | } | |
1260 | git_branch_track = git_config_bool(var, value); | |
1261 | return 0; | |
1262 | } | |
c998ae9b DS |
1263 | if (!strcmp(var, "branch.autosetuprebase")) { |
1264 | if (!value) | |
1265 | return config_error_nonbool(var); | |
1266 | else if (!strcmp(value, "never")) | |
1267 | autorebase = AUTOREBASE_NEVER; | |
1268 | else if (!strcmp(value, "local")) | |
1269 | autorebase = AUTOREBASE_LOCAL; | |
1270 | else if (!strcmp(value, "remote")) | |
1271 | autorebase = AUTOREBASE_REMOTE; | |
1272 | else if (!strcmp(value, "always")) | |
1273 | autorebase = AUTOREBASE_ALWAYS; | |
1274 | else | |
8c3ca351 | 1275 | return error("malformed value for %s", var); |
c998ae9b DS |
1276 | return 0; |
1277 | } | |
a9cc857a | 1278 | |
1ab661dd | 1279 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1280 | return 0; |
1281 | } | |
1282 | ||
52153747 FAG |
1283 | static int git_default_push_config(const char *var, const char *value) |
1284 | { | |
1285 | if (!strcmp(var, "push.default")) { | |
1286 | if (!value) | |
1287 | return config_error_nonbool(var); | |
1288 | else if (!strcmp(value, "nothing")) | |
1289 | push_default = PUSH_DEFAULT_NOTHING; | |
1290 | else if (!strcmp(value, "matching")) | |
1291 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1292 | else if (!strcmp(value, "simple")) |
1293 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1294 | else if (!strcmp(value, "upstream")) |
1295 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1296 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1297 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1298 | else if (!strcmp(value, "current")) |
1299 | push_default = PUSH_DEFAULT_CURRENT; | |
1300 | else { | |
8c3ca351 | 1301 | error("malformed value for %s: %s", var, value); |
b55e6775 MM |
1302 | return error("Must be one of nothing, matching, simple, " |
1303 | "upstream or current."); | |
52153747 FAG |
1304 | } |
1305 | return 0; | |
1306 | } | |
1307 | ||
1308 | /* Add other config variables here and to Documentation/config.txt. */ | |
1309 | return 0; | |
1310 | } | |
1311 | ||
d551a488 MSO |
1312 | static int git_default_mailmap_config(const char *var, const char *value) |
1313 | { | |
1314 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1315 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1316 | if (!strcmp(var, "mailmap.blob")) |
1317 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1318 | |
1319 | /* Add other config variables here and to Documentation/config.txt. */ | |
1320 | return 0; | |
1321 | } | |
1322 | ||
1141f492 LT |
1323 | int git_default_config(const char *var, const char *value, void *dummy) |
1324 | { | |
59556548 | 1325 | if (starts_with(var, "core.")) |
1141f492 LT |
1326 | return git_default_core_config(var, value); |
1327 | ||
59556548 | 1328 | if (starts_with(var, "user.")) |
9597921b | 1329 | return git_ident_config(var, value, dummy); |
1141f492 | 1330 | |
59556548 | 1331 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1332 | return git_default_i18n_config(var, value); |
1333 | ||
59556548 | 1334 | if (starts_with(var, "branch.")) |
1141f492 LT |
1335 | return git_default_branch_config(var, value); |
1336 | ||
59556548 | 1337 | if (starts_with(var, "push.")) |
52153747 FAG |
1338 | return git_default_push_config(var, value); |
1339 | ||
59556548 | 1340 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1341 | return git_default_mailmap_config(var, value); |
1342 | ||
59556548 | 1343 | if (starts_with(var, "advice.")) |
75194438 JK |
1344 | return git_default_advice_config(var, value); |
1345 | ||
1141f492 LT |
1346 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1347 | pager_use_color = git_config_bool(var,value); | |
1348 | return 0; | |
1349 | } | |
1350 | ||
568508e7 JH |
1351 | if (!strcmp(var, "pack.packsizelimit")) { |
1352 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1353 | return 0; | |
1354 | } | |
8de7eeb5 JH |
1355 | |
1356 | if (!strcmp(var, "pack.compression")) { | |
1357 | int level = git_config_int(var, value); | |
1358 | if (level == -1) | |
1359 | level = Z_DEFAULT_COMPRESSION; | |
1360 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1361 | die(_("bad pack compression level %d"), level); | |
1362 | pack_compression_level = level; | |
1363 | pack_compression_seen = 1; | |
1364 | return 0; | |
1365 | } | |
1366 | ||
1141f492 LT |
1367 | /* Add other config variables here and to Documentation/config.txt. */ |
1368 | return 0; | |
1369 | } | |
1370 | ||
ca4b5de2 | 1371 | /* |
b2dc0945 | 1372 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1373 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1374 | * this function. |
1375 | */ | |
4d8dd149 | 1376 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1377 | { |
1378 | int ret; | |
1379 | ||
1380 | /* push config-file parsing state stack */ | |
1381 | top->prev = cf; | |
1382 | top->linenr = 1; | |
1383 | top->eof = 0; | |
1384 | strbuf_init(&top->value, 1024); | |
1385 | strbuf_init(&top->var, 1024); | |
1386 | cf = top; | |
1387 | ||
4d8dd149 | 1388 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1389 | |
1390 | /* pop config-file parsing state stack */ | |
1391 | strbuf_release(&top->value); | |
1392 | strbuf_release(&top->var); | |
1393 | cf = top->prev; | |
1394 | ||
1395 | return ret; | |
1396 | } | |
1397 | ||
3caec73b | 1398 | static int do_config_from_file(config_fn_t fn, |
1b8132d9 VA |
1399 | const enum config_origin_type origin_type, |
1400 | const char *name, const char *path, FILE *f, | |
473166b9 | 1401 | void *data) |
17712991 | 1402 | { |
3caec73b | 1403 | struct config_source top; |
17712991 | 1404 | |
3caec73b | 1405 | top.u.file = f; |
473166b9 | 1406 | top.origin_type = origin_type; |
3caec73b KS |
1407 | top.name = name; |
1408 | top.path = path; | |
1409 | top.die_on_error = 1; | |
1410 | top.do_fgetc = config_file_fgetc; | |
1411 | top.do_ungetc = config_file_ungetc; | |
1412 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1413 | |
3caec73b KS |
1414 | return do_config_from(&top, fn, data); |
1415 | } | |
924aaf3e | 1416 | |
3caec73b KS |
1417 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1418 | { | |
1b8132d9 | 1419 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, data); |
3caec73b KS |
1420 | } |
1421 | ||
1422 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) | |
1423 | { | |
1424 | int ret = -1; | |
1425 | FILE *f; | |
924aaf3e | 1426 | |
3caec73b KS |
1427 | f = fopen(filename, "r"); |
1428 | if (f) { | |
260d408e | 1429 | flockfile(f); |
1b8132d9 | 1430 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data); |
260d408e | 1431 | funlockfile(f); |
17712991 LT |
1432 | fclose(f); |
1433 | } | |
1434 | return ret; | |
1435 | } | |
10bea152 | 1436 | |
1b8132d9 | 1437 | int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_type, |
473166b9 | 1438 | const char *name, const char *buf, size_t len, void *data) |
1bc88819 HV |
1439 | { |
1440 | struct config_source top; | |
1441 | ||
1442 | top.u.buf.buf = buf; | |
1443 | top.u.buf.len = len; | |
1444 | top.u.buf.pos = 0; | |
473166b9 | 1445 | top.origin_type = origin_type; |
1bc88819 | 1446 | top.name = name; |
d14d4244 | 1447 | top.path = NULL; |
b2dc0945 | 1448 | top.die_on_error = 0; |
49d6cfa5 JK |
1449 | top.do_fgetc = config_buf_fgetc; |
1450 | top.do_ungetc = config_buf_ungetc; | |
1451 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1452 | |
1453 | return do_config_from(&top, fn, data); | |
1454 | } | |
1455 | ||
9ebf689a BW |
1456 | int git_config_from_blob_sha1(config_fn_t fn, |
1457 | const char *name, | |
1458 | const unsigned char *sha1, | |
1459 | void *data) | |
1bc88819 HV |
1460 | { |
1461 | enum object_type type; | |
1462 | char *buf; | |
1463 | unsigned long size; | |
1464 | int ret; | |
1465 | ||
1466 | buf = read_sha1_file(sha1, &type, &size); | |
1467 | if (!buf) | |
1468 | return error("unable to load config blob object '%s'", name); | |
1469 | if (type != OBJ_BLOB) { | |
1470 | free(buf); | |
1471 | return error("reference '%s' does not point to a blob", name); | |
1472 | } | |
1473 | ||
1b8132d9 | 1474 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data); |
1bc88819 HV |
1475 | free(buf); |
1476 | ||
1477 | return ret; | |
1478 | } | |
1479 | ||
1480 | static int git_config_from_blob_ref(config_fn_t fn, | |
1481 | const char *name, | |
1482 | void *data) | |
1483 | { | |
1484 | unsigned char sha1[20]; | |
1485 | ||
1486 | if (get_sha1(name, sha1) < 0) | |
1487 | return error("unable to resolve config blob '%s'", name); | |
1488 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1489 | } | |
1490 | ||
506b17b1 JS |
1491 | const char *git_etc_gitconfig(void) |
1492 | { | |
7f0e39fa | 1493 | static const char *system_wide; |
2de9de5e SP |
1494 | if (!system_wide) |
1495 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1496 | return system_wide; |
506b17b1 JS |
1497 | } |
1498 | ||
23b0c478 SP |
1499 | /* |
1500 | * Parse environment variable 'k' as a boolean (in various | |
1501 | * possible spellings); if missing, use the default value 'def'. | |
1502 | */ | |
0ef37164 | 1503 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1504 | { |
1505 | const char *v = getenv(k); | |
1506 | return v ? git_config_bool(k, v) : def; | |
1507 | } | |
1508 | ||
23b0c478 SP |
1509 | /* |
1510 | * Parse environment variable 'k' as ulong with possibly a unit | |
1511 | * suffix; if missing, use the default value 'val'. | |
1512 | */ | |
1513 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1514 | { | |
1515 | const char *v = getenv(k); | |
1516 | if (v && !git_parse_ulong(v, &val)) | |
1517 | die("failed to parse %s", k); | |
1518 | return val; | |
1519 | } | |
1520 | ||
ab88c363 JK |
1521 | int git_config_system(void) |
1522 | { | |
1523 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1524 | } | |
1525 | ||
e145a0bc NTND |
1526 | static int do_git_config_sequence(const struct config_options *opts, |
1527 | config_fn_t fn, void *data) | |
4f629539 | 1528 | { |
c72ee44b | 1529 | int ret = 0; |
509adc33 | 1530 | char *xdg_config = xdg_config_home("config"); |
4aad2f16 | 1531 | char *user_config = expand_user_path("~/.gitconfig", 0); |
e145a0bc NTND |
1532 | char *repo_config; |
1533 | ||
a577fb5f BW |
1534 | if (opts->commondir) |
1535 | repo_config = mkpathdup("%s/config", opts->commondir); | |
e145a0bc NTND |
1536 | else if (have_git_dir()) |
1537 | repo_config = git_pathdup("config"); | |
1538 | else | |
1539 | repo_config = NULL; | |
5f1a63e0 | 1540 | |
9acc5911 | 1541 | current_parsing_scope = CONFIG_SCOPE_SYSTEM; |
c72ee44b | 1542 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) |
dc871831 DB |
1543 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1544 | data); | |
5f1a63e0 | 1545 | |
9acc5911 | 1546 | current_parsing_scope = CONFIG_SCOPE_GLOBAL; |
c72ee44b | 1547 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1548 | ret += git_config_from_file(fn, xdg_config, data); |
21cf3227 | 1549 | |
c72ee44b | 1550 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1551 | ret += git_config_from_file(fn, user_config, data); |
5f1a63e0 | 1552 | |
9acc5911 | 1553 | current_parsing_scope = CONFIG_SCOPE_REPO; |
c72ee44b | 1554 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) |
aa387407 | 1555 | ret += git_config_from_file(fn, repo_config, data); |
8b1fa778 | 1556 | |
9acc5911 | 1557 | current_parsing_scope = CONFIG_SCOPE_CMDLINE; |
c72ee44b | 1558 | if (git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 1559 | die(_("unable to parse command-line config")); |
8b1fa778 | 1560 | |
9acc5911 | 1561 | current_parsing_scope = CONFIG_SCOPE_UNKNOWN; |
21cf3227 HKNN |
1562 | free(xdg_config); |
1563 | free(user_config); | |
80181868 | 1564 | free(repo_config); |
c72ee44b | 1565 | return ret; |
4f629539 JH |
1566 | } |
1567 | ||
c9b5e2a5 | 1568 | int git_config_with_options(config_fn_t fn, void *data, |
c8985ce0 | 1569 | struct git_config_source *config_source, |
c48f4b37 | 1570 | const struct config_options *opts) |
dbdf5854 | 1571 | { |
9b25a0b5 JK |
1572 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1573 | ||
c48f4b37 | 1574 | if (opts->respect_includes) { |
9b25a0b5 JK |
1575 | inc.fn = fn; |
1576 | inc.data = data; | |
c48f4b37 | 1577 | inc.opts = opts; |
9b25a0b5 JK |
1578 | fn = git_config_include; |
1579 | data = &inc; | |
1580 | } | |
dbdf5854 | 1581 | |
c9b5e2a5 JK |
1582 | /* |
1583 | * If we have a specific filename, use it. Otherwise, follow the | |
1584 | * regular lookup sequence. | |
1585 | */ | |
3caec73b KS |
1586 | if (config_source && config_source->use_stdin) |
1587 | return git_config_from_stdin(fn, data); | |
1588 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1589 | return git_config_from_file(fn, config_source->file, data); |
1590 | else if (config_source && config_source->blob) | |
1591 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1592 | |
e145a0bc | 1593 | return do_git_config_sequence(opts, fn, data); |
dbdf5854 NTND |
1594 | } |
1595 | ||
155ef25f | 1596 | static void git_config_raw(config_fn_t fn, void *data) |
c9b5e2a5 | 1597 | { |
c48f4b37 NTND |
1598 | struct config_options opts = {0}; |
1599 | ||
1600 | opts.respect_includes = 1; | |
1601 | if (git_config_with_options(fn, data, NULL, &opts) < 0) | |
aace4385 TA |
1602 | /* |
1603 | * git_config_with_options() normally returns only | |
c72ee44b | 1604 | * zero, as most errors are fatal, and |
aace4385 TA |
1605 | * non-fatal potential errors are guarded by "if" |
1606 | * statements that are entered only when no error is | |
1607 | * possible. | |
1608 | * | |
1609 | * If we ever encounter a non-fatal error, it means | |
1610 | * something went really wrong and we should stop | |
1611 | * immediately. | |
1612 | */ | |
3a39f61e | 1613 | die(_("unknown error occurred while reading the configuration files")); |
c9b5e2a5 JK |
1614 | } |
1615 | ||
155ef25f | 1616 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1617 | { |
155ef25f TA |
1618 | int i, value_index; |
1619 | struct string_list *values; | |
1620 | struct config_set_element *entry; | |
1621 | struct configset_list *list = &cs->list; | |
155ef25f TA |
1622 | |
1623 | for (i = 0; i < list->nr; i++) { | |
1624 | entry = list->items[i].e; | |
1625 | value_index = list->items[i].value_index; | |
1626 | values = &entry->value_list; | |
0d44a2da JK |
1627 | |
1628 | current_config_kvi = values->items[value_index].util; | |
1629 | ||
1630 | if (fn(entry->key, values->items[value_index].string, data) < 0) | |
1631 | git_die_config_linenr(entry->key, | |
1632 | current_config_kvi->filename, | |
1633 | current_config_kvi->linenr); | |
1634 | ||
1635 | current_config_kvi = NULL; | |
155ef25f TA |
1636 | } |
1637 | } | |
1638 | ||
0654aa57 JS |
1639 | void read_early_config(config_fn_t cb, void *data) |
1640 | { | |
c48f4b37 | 1641 | struct config_options opts = {0}; |
d3fb71b3 BW |
1642 | struct strbuf commondir = STRBUF_INIT; |
1643 | struct strbuf gitdir = STRBUF_INIT; | |
1a27409a | 1644 | |
c48f4b37 | 1645 | opts.respect_includes = 1; |
0654aa57 | 1646 | |
a577fb5f BW |
1647 | if (have_git_dir()) { |
1648 | opts.commondir = get_git_common_dir(); | |
2185fde5 | 1649 | opts.git_dir = get_git_dir(); |
0654aa57 | 1650 | /* |
1a27409a JS |
1651 | * When setup_git_directory() was not yet asked to discover the |
1652 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
1653 | * is any repository config we should use (but unlike | |
1654 | * setup_git_directory_gently(), no global state is changed, most | |
1655 | * notably, the current working directory is still the same after the | |
1656 | * call). | |
0654aa57 | 1657 | */ |
a577fb5f BW |
1658 | } else if (!discover_git_directory(&commondir, &gitdir)) { |
1659 | opts.commondir = commondir.buf; | |
d3fb71b3 | 1660 | opts.git_dir = gitdir.buf; |
a577fb5f | 1661 | } |
2185fde5 NTND |
1662 | |
1663 | git_config_with_options(cb, data, NULL, &opts); | |
0654aa57 | 1664 | |
d3fb71b3 BW |
1665 | strbuf_release(&commondir); |
1666 | strbuf_release(&gitdir); | |
0654aa57 JS |
1667 | } |
1668 | ||
155ef25f TA |
1669 | static void git_config_check_init(void); |
1670 | ||
1671 | void git_config(config_fn_t fn, void *data) | |
1672 | { | |
1673 | git_config_check_init(); | |
1674 | configset_iter(&the_config_set, fn, data); | |
c9b5e2a5 JK |
1675 | } |
1676 | ||
3c8687a7 TA |
1677 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
1678 | { | |
1679 | struct config_set_element k; | |
1680 | struct config_set_element *found_entry; | |
1681 | char *normalized_key; | |
3c8687a7 TA |
1682 | /* |
1683 | * `key` may come from the user, so normalize it before using it | |
1684 | * for querying entries from the hashmap. | |
1685 | */ | |
270cd9ea | 1686 | if (git_config_parse_key(key, &normalized_key, NULL)) |
3c8687a7 TA |
1687 | return NULL; |
1688 | ||
1689 | hashmap_entry_init(&k, strhash(normalized_key)); | |
1690 | k.key = normalized_key; | |
1691 | found_entry = hashmap_get(&cs->config_hash, &k, NULL); | |
1692 | free(normalized_key); | |
1693 | return found_entry; | |
1694 | } | |
1695 | ||
1696 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
1697 | { | |
1698 | struct config_set_element *e; | |
3df8fd62 | 1699 | struct string_list_item *si; |
155ef25f | 1700 | struct configset_list_item *l_item; |
3df8fd62 TA |
1701 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
1702 | ||
3c8687a7 TA |
1703 | e = configset_find_element(cs, key); |
1704 | /* | |
1705 | * Since the keys are being fed by git_config*() callback mechanism, they | |
1706 | * are already normalized. So simply add them without any further munging. | |
1707 | */ | |
1708 | if (!e) { | |
1709 | e = xmalloc(sizeof(*e)); | |
1710 | hashmap_entry_init(e, strhash(key)); | |
1711 | e->key = xstrdup(key); | |
1712 | string_list_init(&e->value_list, 1); | |
1713 | hashmap_add(&cs->config_hash, e); | |
1714 | } | |
8c53f071 | 1715 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
1716 | |
1717 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
1718 | l_item = &cs->list.items[cs->list.nr++]; | |
1719 | l_item->e = e; | |
1720 | l_item->value_index = e->value_list.nr - 1; | |
1721 | ||
3258258f JK |
1722 | if (!cf) |
1723 | die("BUG: configset_add_value has no source"); | |
1724 | if (cf->name) { | |
3df8fd62 TA |
1725 | kv_info->filename = strintern(cf->name); |
1726 | kv_info->linenr = cf->linenr; | |
1b8132d9 | 1727 | kv_info->origin_type = cf->origin_type; |
3df8fd62 TA |
1728 | } else { |
1729 | /* for values read from `git_config_from_parameters()` */ | |
1730 | kv_info->filename = NULL; | |
1731 | kv_info->linenr = -1; | |
1b8132d9 | 1732 | kv_info->origin_type = CONFIG_ORIGIN_CMDLINE; |
3df8fd62 | 1733 | } |
9acc5911 | 1734 | kv_info->scope = current_parsing_scope; |
3df8fd62 | 1735 | si->util = kv_info; |
3c8687a7 TA |
1736 | |
1737 | return 0; | |
1738 | } | |
1739 | ||
1740 | static int config_set_element_cmp(const struct config_set_element *e1, | |
1741 | const struct config_set_element *e2, const void *unused) | |
1742 | { | |
1743 | return strcmp(e1->key, e2->key); | |
1744 | } | |
1745 | ||
1746 | void git_configset_init(struct config_set *cs) | |
1747 | { | |
1748 | hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 0); | |
1749 | cs->hash_initialized = 1; | |
155ef25f TA |
1750 | cs->list.nr = 0; |
1751 | cs->list.alloc = 0; | |
1752 | cs->list.items = NULL; | |
3c8687a7 TA |
1753 | } |
1754 | ||
1755 | void git_configset_clear(struct config_set *cs) | |
1756 | { | |
1757 | struct config_set_element *entry; | |
1758 | struct hashmap_iter iter; | |
1759 | if (!cs->hash_initialized) | |
1760 | return; | |
1761 | ||
1762 | hashmap_iter_init(&cs->config_hash, &iter); | |
1763 | while ((entry = hashmap_iter_next(&iter))) { | |
1764 | free(entry->key); | |
3df8fd62 | 1765 | string_list_clear(&entry->value_list, 1); |
3c8687a7 TA |
1766 | } |
1767 | hashmap_free(&cs->config_hash, 1); | |
1768 | cs->hash_initialized = 0; | |
155ef25f TA |
1769 | free(cs->list.items); |
1770 | cs->list.nr = 0; | |
1771 | cs->list.alloc = 0; | |
1772 | cs->list.items = NULL; | |
3c8687a7 TA |
1773 | } |
1774 | ||
1775 | static int config_set_callback(const char *key, const char *value, void *cb) | |
1776 | { | |
1777 | struct config_set *cs = cb; | |
1778 | configset_add_value(cs, key, value); | |
1779 | return 0; | |
1780 | } | |
1781 | ||
1782 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
1783 | { | |
1784 | return git_config_from_file(config_set_callback, filename, cs); | |
1785 | } | |
1786 | ||
1787 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
1788 | { | |
1789 | const struct string_list *values = NULL; | |
1790 | /* | |
1791 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
1792 | * queried key in the files of the configset, the value returned will be the last | |
1793 | * value in the value list for that key. | |
1794 | */ | |
1795 | values = git_configset_get_value_multi(cs, key); | |
1796 | ||
1797 | if (!values) | |
1798 | return 1; | |
1799 | assert(values->nr > 0); | |
1800 | *value = values->items[values->nr - 1].string; | |
1801 | return 0; | |
1802 | } | |
1803 | ||
1804 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
1805 | { | |
1806 | struct config_set_element *e = configset_find_element(cs, key); | |
1807 | return e ? &e->value_list : NULL; | |
1808 | } | |
1809 | ||
1810 | int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest) | |
1811 | { | |
1812 | const char *value; | |
1813 | if (!git_configset_get_value(cs, key, &value)) | |
1814 | return git_config_string(dest, key, value); | |
1815 | else | |
1816 | return 1; | |
1817 | } | |
1818 | ||
1819 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) | |
1820 | { | |
1821 | return git_configset_get_string_const(cs, key, (const char **)dest); | |
1822 | } | |
1823 | ||
1824 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
1825 | { | |
1826 | const char *value; | |
1827 | if (!git_configset_get_value(cs, key, &value)) { | |
1828 | *dest = git_config_int(key, value); | |
1829 | return 0; | |
1830 | } else | |
1831 | return 1; | |
1832 | } | |
1833 | ||
1834 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
1835 | { | |
1836 | const char *value; | |
1837 | if (!git_configset_get_value(cs, key, &value)) { | |
1838 | *dest = git_config_ulong(key, value); | |
1839 | return 0; | |
1840 | } else | |
1841 | return 1; | |
1842 | } | |
1843 | ||
1844 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
1845 | { | |
1846 | const char *value; | |
1847 | if (!git_configset_get_value(cs, key, &value)) { | |
1848 | *dest = git_config_bool(key, value); | |
1849 | return 0; | |
1850 | } else | |
1851 | return 1; | |
1852 | } | |
1853 | ||
1854 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
1855 | int *is_bool, int *dest) | |
1856 | { | |
1857 | const char *value; | |
1858 | if (!git_configset_get_value(cs, key, &value)) { | |
1859 | *dest = git_config_bool_or_int(key, value, is_bool); | |
1860 | return 0; | |
1861 | } else | |
1862 | return 1; | |
1863 | } | |
1864 | ||
1865 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
1866 | { | |
1867 | const char *value; | |
1868 | if (!git_configset_get_value(cs, key, &value)) { | |
1869 | *dest = git_config_maybe_bool(key, value); | |
1870 | if (*dest == -1) | |
1871 | return -1; | |
1872 | return 0; | |
1873 | } else | |
1874 | return 1; | |
1875 | } | |
1876 | ||
1877 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
1878 | { | |
1879 | const char *value; | |
1880 | if (!git_configset_get_value(cs, key, &value)) | |
1881 | return git_config_pathname(dest, key, value); | |
1882 | else | |
1883 | return 1; | |
1884 | } | |
1885 | ||
1886 | static void git_config_check_init(void) | |
1887 | { | |
1888 | if (the_config_set.hash_initialized) | |
1889 | return; | |
1890 | git_configset_init(&the_config_set); | |
155ef25f | 1891 | git_config_raw(config_set_callback, &the_config_set); |
3c8687a7 TA |
1892 | } |
1893 | ||
1894 | void git_config_clear(void) | |
1895 | { | |
1896 | if (!the_config_set.hash_initialized) | |
1897 | return; | |
1898 | git_configset_clear(&the_config_set); | |
1899 | } | |
1900 | ||
1901 | int git_config_get_value(const char *key, const char **value) | |
1902 | { | |
1903 | git_config_check_init(); | |
1904 | return git_configset_get_value(&the_config_set, key, value); | |
1905 | } | |
1906 | ||
1907 | const struct string_list *git_config_get_value_multi(const char *key) | |
1908 | { | |
1909 | git_config_check_init(); | |
1910 | return git_configset_get_value_multi(&the_config_set, key); | |
1911 | } | |
1912 | ||
1913 | int git_config_get_string_const(const char *key, const char **dest) | |
1914 | { | |
5a80e97c | 1915 | int ret; |
3c8687a7 | 1916 | git_config_check_init(); |
5a80e97c TA |
1917 | ret = git_configset_get_string_const(&the_config_set, key, dest); |
1918 | if (ret < 0) | |
1919 | git_die_config(key, NULL); | |
1920 | return ret; | |
3c8687a7 TA |
1921 | } |
1922 | ||
1923 | int git_config_get_string(const char *key, char **dest) | |
1924 | { | |
1925 | git_config_check_init(); | |
1926 | return git_config_get_string_const(key, (const char **)dest); | |
1927 | } | |
1928 | ||
1929 | int git_config_get_int(const char *key, int *dest) | |
1930 | { | |
1931 | git_config_check_init(); | |
1932 | return git_configset_get_int(&the_config_set, key, dest); | |
1933 | } | |
1934 | ||
1935 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
1936 | { | |
1937 | git_config_check_init(); | |
1938 | return git_configset_get_ulong(&the_config_set, key, dest); | |
1939 | } | |
1940 | ||
1941 | int git_config_get_bool(const char *key, int *dest) | |
1942 | { | |
1943 | git_config_check_init(); | |
1944 | return git_configset_get_bool(&the_config_set, key, dest); | |
1945 | } | |
1946 | ||
1947 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
1948 | { | |
1949 | git_config_check_init(); | |
1950 | return git_configset_get_bool_or_int(&the_config_set, key, is_bool, dest); | |
1951 | } | |
1952 | ||
1953 | int git_config_get_maybe_bool(const char *key, int *dest) | |
1954 | { | |
1955 | git_config_check_init(); | |
1956 | return git_configset_get_maybe_bool(&the_config_set, key, dest); | |
1957 | } | |
1958 | ||
1959 | int git_config_get_pathname(const char *key, const char **dest) | |
1960 | { | |
5a80e97c | 1961 | int ret; |
3c8687a7 | 1962 | git_config_check_init(); |
5a80e97c TA |
1963 | ret = git_configset_get_pathname(&the_config_set, key, dest); |
1964 | if (ret < 0) | |
1965 | git_die_config(key, NULL); | |
1966 | return ret; | |
1967 | } | |
1968 | ||
77d67977 CC |
1969 | int git_config_get_expiry(const char *key, const char **output) |
1970 | { | |
1971 | int ret = git_config_get_string_const(key, output); | |
1972 | if (ret) | |
1973 | return ret; | |
1974 | if (strcmp(*output, "now")) { | |
1975 | unsigned long now = approxidate("now"); | |
1976 | if (approxidate(*output) >= now) | |
1977 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
1978 | } | |
1979 | return ret; | |
1980 | } | |
1981 | ||
435ec090 CC |
1982 | int git_config_get_untracked_cache(void) |
1983 | { | |
1984 | int val = -1; | |
1985 | const char *v; | |
1986 | ||
dae6c322 CC |
1987 | /* Hack for test programs like test-dump-untracked-cache */ |
1988 | if (ignore_untracked_cache_config) | |
1989 | return -1; | |
1990 | ||
435ec090 CC |
1991 | if (!git_config_get_maybe_bool("core.untrackedcache", &val)) |
1992 | return val; | |
1993 | ||
1994 | if (!git_config_get_value("core.untrackedcache", &v)) { | |
1995 | if (!strcasecmp(v, "keep")) | |
1996 | return -1; | |
1997 | ||
f60ef2d6 CC |
1998 | error(_("unknown core.untrackedCache value '%s'; " |
1999 | "using 'keep' default value"), v); | |
435ec090 CC |
2000 | return -1; |
2001 | } | |
2002 | ||
2003 | return -1; /* default value */ | |
2004 | } | |
2005 | ||
1f44b09b CC |
2006 | int git_config_get_split_index(void) |
2007 | { | |
2008 | int val; | |
2009 | ||
2010 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
2011 | return val; | |
2012 | ||
2013 | return -1; /* default value */ | |
2014 | } | |
2015 | ||
72dcb7b3 CC |
2016 | int git_config_get_max_percent_split_change(void) |
2017 | { | |
2018 | int val = -1; | |
2019 | ||
2020 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
2021 | if (0 <= val && val <= 100) | |
2022 | return val; | |
2023 | ||
2024 | return error(_("splitIndex.maxPercentChange value '%d' " | |
2025 | "should be between 0 and 100"), val); | |
2026 | } | |
2027 | ||
2028 | return -1; /* default value */ | |
2029 | } | |
2030 | ||
5a80e97c TA |
2031 | NORETURN |
2032 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
2033 | { | |
2034 | if (!filename) | |
2035 | die(_("unable to parse '%s' from command-line config"), key); | |
2036 | else | |
2037 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
2038 | key, filename, linenr); | |
2039 | } | |
2040 | ||
2041 | NORETURN __attribute__((format(printf, 2, 3))) | |
2042 | void git_die_config(const char *key, const char *err, ...) | |
2043 | { | |
2044 | const struct string_list *values; | |
2045 | struct key_value_info *kv_info; | |
2046 | ||
2047 | if (err) { | |
2048 | va_list params; | |
2049 | va_start(params, err); | |
2050 | vreportf("error: ", err, params); | |
2051 | va_end(params); | |
2052 | } | |
2053 | values = git_config_get_value_multi(key); | |
2054 | kv_info = values->items[values->nr - 1].util; | |
2055 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
2056 | } |
2057 | ||
10bea152 JS |
2058 | /* |
2059 | * Find all the stuff for git_config_set() below. | |
2060 | */ | |
4ddba79d | 2061 | |
10bea152 JS |
2062 | static struct { |
2063 | int baselen; | |
4b25d091 | 2064 | char *key; |
f98d863d | 2065 | int do_not_match; |
4b25d091 | 2066 | regex_t *value_regex; |
4ddba79d | 2067 | int multi_replace; |
83786fa4 TR |
2068 | size_t *offset; |
2069 | unsigned int offset_alloc; | |
10bea152 JS |
2070 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
2071 | int seen; | |
2072 | } store; | |
2073 | ||
4b25d091 | 2074 | static int matches(const char *key, const char *value) |
f98d863d | 2075 | { |
c1063be2 JK |
2076 | if (strcmp(key, store.key)) |
2077 | return 0; /* not ours */ | |
2078 | if (!store.value_regex) | |
2079 | return 1; /* always matches */ | |
2080 | if (store.value_regex == CONFIG_REGEX_NONE) | |
2081 | return 0; /* never matches */ | |
2082 | ||
2083 | return store.do_not_match ^ | |
2084 | (value && !regexec(store.value_regex, value, 0, NULL, 0)); | |
f98d863d JS |
2085 | } |
2086 | ||
4b25d091 | 2087 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 2088 | { |
ae9ee41d JH |
2089 | const char *ep; |
2090 | size_t section_len; | |
2091 | ||
10bea152 JS |
2092 | switch (store.state) { |
2093 | case KEY_SEEN: | |
f98d863d | 2094 | if (matches(key, value)) { |
4ddba79d | 2095 | if (store.seen == 1 && store.multi_replace == 0) { |
8262aaa2 | 2096 | warning(_("%s has multiple values"), key); |
10bea152 | 2097 | } |
4ddba79d | 2098 | |
83786fa4 TR |
2099 | ALLOC_GROW(store.offset, store.seen + 1, |
2100 | store.offset_alloc); | |
2101 | ||
49d6cfa5 | 2102 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2103 | store.seen++; |
2104 | } | |
2105 | break; | |
2106 | case SECTION_SEEN: | |
ae9ee41d JH |
2107 | /* |
2108 | * What we are looking for is in store.key (both | |
2109 | * section and var), and its section part is baselen | |
2110 | * long. We found key (again, both section and var). | |
2111 | * We would want to know if this key is in the same | |
2112 | * section as what we are looking for. We already | |
2113 | * know we are in the same section as what should | |
2114 | * hold store.key. | |
2115 | */ | |
2116 | ep = strrchr(key, '.'); | |
2117 | section_len = ep - key; | |
2118 | ||
2119 | if ((section_len != store.baselen) || | |
2120 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
2121 | store.state = SECTION_END_SEEN; |
2122 | break; | |
ae9ee41d JH |
2123 | } |
2124 | ||
2125 | /* | |
2126 | * Do not increment matches: this is no match, but we | |
2127 | * just made sure we are in the desired section. | |
2128 | */ | |
83786fa4 TR |
2129 | ALLOC_GROW(store.offset, store.seen + 1, |
2130 | store.offset_alloc); | |
49d6cfa5 | 2131 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2132 | /* fallthru */ |
2133 | case SECTION_END_SEEN: | |
2134 | case START: | |
f98d863d | 2135 | if (matches(key, value)) { |
83786fa4 TR |
2136 | ALLOC_GROW(store.offset, store.seen + 1, |
2137 | store.offset_alloc); | |
49d6cfa5 | 2138 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2139 | store.state = KEY_SEEN; |
2140 | store.seen++; | |
d14f7764 LT |
2141 | } else { |
2142 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 2143 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 2144 | store.state = SECTION_SEEN; |
83786fa4 TR |
2145 | ALLOC_GROW(store.offset, |
2146 | store.seen + 1, | |
2147 | store.offset_alloc); | |
49d6cfa5 | 2148 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 2149 | } |
bdf0ef08 | 2150 | } |
10bea152 JS |
2151 | } |
2152 | return 0; | |
2153 | } | |
2154 | ||
64c0d71c | 2155 | static int write_error(const char *filename) |
480c9e52 | 2156 | { |
64c0d71c | 2157 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
2158 | |
2159 | /* Same error code as "failed to rename". */ | |
2160 | return 4; | |
2161 | } | |
2162 | ||
4b25d091 | 2163 | static int store_write_section(int fd, const char *key) |
10bea152 | 2164 | { |
cb891a59 KH |
2165 | const char *dot; |
2166 | int i, success; | |
f285a2d7 | 2167 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 2168 | |
cb891a59 | 2169 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 2170 | if (dot) { |
cb891a59 KH |
2171 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
2172 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 2173 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
2174 | strbuf_addch(&sb, '\\'); |
2175 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 2176 | } |
cb891a59 KH |
2177 | strbuf_addstr(&sb, "\"]\n"); |
2178 | } else { | |
2179 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
2180 | } |
2181 | ||
cb891a59 KH |
2182 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
2183 | strbuf_release(&sb); | |
480c9e52 | 2184 | |
cb891a59 | 2185 | return success; |
10bea152 JS |
2186 | } |
2187 | ||
4b25d091 | 2188 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 2189 | { |
cb891a59 KH |
2190 | int i, success; |
2191 | int length = strlen(key + store.baselen + 1); | |
2192 | const char *quote = ""; | |
f285a2d7 | 2193 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 2194 | |
6281f394 JM |
2195 | /* |
2196 | * Check to see if the value needs to be surrounded with a dq pair. | |
2197 | * Note that problematic characters are always backslash-quoted; this | |
2198 | * check is about not losing leading or trailing SP and strings that | |
2199 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
2200 | * configuration parser. | |
2201 | */ | |
cdd4fb15 | 2202 | if (value[0] == ' ') |
cb891a59 | 2203 | quote = "\""; |
cdd4fb15 BG |
2204 | for (i = 0; value[i]; i++) |
2205 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
2206 | quote = "\""; |
2207 | if (i && value[i - 1] == ' ') | |
2208 | quote = "\""; | |
2209 | ||
cb891a59 KH |
2210 | strbuf_addf(&sb, "\t%.*s = %s", |
2211 | length, key + store.baselen + 1, quote); | |
10bea152 | 2212 | |
10bea152 JS |
2213 | for (i = 0; value[i]; i++) |
2214 | switch (value[i]) { | |
480c9e52 | 2215 | case '\n': |
cb891a59 | 2216 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
2217 | break; |
2218 | case '\t': | |
cb891a59 | 2219 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
2220 | break; |
2221 | case '"': | |
2222 | case '\\': | |
cb891a59 | 2223 | strbuf_addch(&sb, '\\'); |
480c9e52 | 2224 | default: |
cb891a59 | 2225 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
2226 | break; |
2227 | } | |
cb891a59 KH |
2228 | strbuf_addf(&sb, "%s\n", quote); |
2229 | ||
2230 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
2231 | strbuf_release(&sb); | |
2232 | ||
2233 | return success; | |
10bea152 JS |
2234 | } |
2235 | ||
4b25d091 FC |
2236 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
2237 | size_t offset_, int *found_bracket) | |
4ddba79d | 2238 | { |
dc49cd76 SP |
2239 | size_t equal_offset = size, bracket_offset = size; |
2240 | ssize_t offset; | |
4ddba79d | 2241 | |
7a31cc0f | 2242 | contline: |
a6080a0a | 2243 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
2244 | && contents[offset] != '\n'; offset--) |
2245 | switch (contents[offset]) { | |
2246 | case '=': equal_offset = offset; break; | |
2247 | case ']': bracket_offset = offset; break; | |
2248 | } | |
7a31cc0f FL |
2249 | if (offset > 0 && contents[offset-1] == '\\') { |
2250 | offset_ = offset; | |
2251 | goto contline; | |
2252 | } | |
4ddba79d JS |
2253 | if (bracket_offset < equal_offset) { |
2254 | *found_bracket = 1; | |
2255 | offset = bracket_offset+1; | |
2256 | } else | |
2257 | offset++; | |
2258 | ||
2259 | return offset; | |
2260 | } | |
2261 | ||
30598ad0 PS |
2262 | int git_config_set_in_file_gently(const char *config_filename, |
2263 | const char *key, const char *value) | |
5ec31182 | 2264 | { |
30598ad0 | 2265 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
2266 | } |
2267 | ||
3d180648 PS |
2268 | void git_config_set_in_file(const char *config_filename, |
2269 | const char *key, const char *value) | |
10bea152 | 2270 | { |
3d180648 | 2271 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
2272 | } |
2273 | ||
30598ad0 | 2274 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 2275 | { |
30598ad0 | 2276 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
2277 | } |
2278 | ||
3d180648 | 2279 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 2280 | { |
3d180648 | 2281 | git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
2282 | } |
2283 | ||
2284 | /* | |
2285 | * If value==NULL, unset in (remove from) config, | |
2286 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
c1063be2 JK |
2287 | * if value_regex==CONFIG_REGEX_NONE, do not match any existing values |
2288 | * (only add a new one) | |
4ddba79d JS |
2289 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
2290 | * else all matching key/values (regardless how many) are removed, | |
2291 | * before the new pair is written. | |
10bea152 JS |
2292 | * |
2293 | * Returns 0 on success. | |
2294 | * | |
2295 | * This function does this: | |
2296 | * | |
2297 | * - it locks the config file by creating ".git/config.lock" | |
2298 | * | |
2299 | * - it then parses the config using store_aux() as validator to find | |
2300 | * the position on the key/value pair to replace. If it is to be unset, | |
2301 | * it must be found exactly once. | |
2302 | * | |
2303 | * - the config file is mmap()ed and the part before the match (if any) is | |
2304 | * written to the lock file, then the changed part and the rest. | |
2305 | * | |
2306 | * - the config file is removed and the lock file rename()d to it. | |
2307 | * | |
2308 | */ | |
30598ad0 PS |
2309 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
2310 | const char *key, const char *value, | |
2311 | const char *value_regex, | |
2312 | int multi_replace) | |
10bea152 | 2313 | { |
54d160ec | 2314 | int fd = -1, in_fd = -1; |
dafc88b1 | 2315 | int ret; |
6cbf973c | 2316 | struct lock_file *lock = NULL; |
0a5f5759 | 2317 | char *filename_buf = NULL; |
3a1b3126 JK |
2318 | char *contents = NULL; |
2319 | size_t contents_sz; | |
4ddba79d | 2320 | |
b09c53a3 LP |
2321 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
2322 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
2323 | if (ret) | |
dafc88b1 | 2324 | goto out_free; |
b17e659d JS |
2325 | |
2326 | store.multi_replace = multi_replace; | |
10bea152 | 2327 | |
0a5f5759 JK |
2328 | if (!config_filename) |
2329 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
2330 | |
2331 | /* | |
6cbf973c | 2332 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
2333 | * contents of .git/config will be written into it. |
2334 | */ | |
f1064f6b | 2335 | lock = xcalloc(1, sizeof(struct lock_file)); |
6cbf973c BS |
2336 | fd = hold_lock_file_for_update(lock, config_filename, 0); |
2337 | if (fd < 0) { | |
f0658ec9 | 2338 | error_errno("could not lock config file %s", config_filename); |
10bea152 | 2339 | free(store.key); |
7a397419 | 2340 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 2341 | goto out_free; |
10bea152 JS |
2342 | } |
2343 | ||
2344 | /* | |
2345 | * If .git/config does not exist yet, write a minimal version. | |
2346 | */ | |
88fb958b AR |
2347 | in_fd = open(config_filename, O_RDONLY); |
2348 | if ( in_fd < 0 ) { | |
10bea152 JS |
2349 | free(store.key); |
2350 | ||
88fb958b | 2351 | if ( ENOENT != errno ) { |
f0658ec9 | 2352 | error_errno("opening %s", config_filename); |
7a397419 | 2353 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 2354 | goto out_free; |
88fb958b | 2355 | } |
10bea152 JS |
2356 | /* if nothing to unset, error out */ |
2357 | if (value == NULL) { | |
7a397419 | 2358 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2359 | goto out_free; |
10bea152 JS |
2360 | } |
2361 | ||
4b25d091 | 2362 | store.key = (char *)key; |
480c9e52 | 2363 | if (!store_write_section(fd, key) || |
93c1e079 JH |
2364 | !store_write_pair(fd, key, value)) |
2365 | goto write_err_out; | |
2366 | } else { | |
88fb958b | 2367 | struct stat st; |
3a1b3126 | 2368 | size_t copy_begin, copy_end; |
dc49cd76 | 2369 | int i, new_line = 0; |
10bea152 JS |
2370 | |
2371 | if (value_regex == NULL) | |
2372 | store.value_regex = NULL; | |
c1063be2 JK |
2373 | else if (value_regex == CONFIG_REGEX_NONE) |
2374 | store.value_regex = CONFIG_REGEX_NONE; | |
10bea152 | 2375 | else { |
f98d863d JS |
2376 | if (value_regex[0] == '!') { |
2377 | store.do_not_match = 1; | |
2378 | value_regex++; | |
2379 | } else | |
2380 | store.do_not_match = 0; | |
2381 | ||
2d7320d0 | 2382 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
2383 | if (regcomp(store.value_regex, value_regex, |
2384 | REG_EXTENDED)) { | |
64c0d71c | 2385 | error("invalid pattern: %s", value_regex); |
10bea152 | 2386 | free(store.value_regex); |
7a397419 | 2387 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2388 | goto out_free; |
10bea152 JS |
2389 | } |
2390 | } | |
2391 | ||
83786fa4 | 2392 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 2393 | store.offset[0] = 0; |
10bea152 JS |
2394 | store.state = START; |
2395 | store.seen = 0; | |
2396 | ||
2397 | /* | |
2398 | * After this, store.offset will contain the *end* offset | |
2399 | * of the last match, or remain at 0 if no match was found. | |
2400 | * As a side effect, we make sure to transform only a valid | |
2401 | * existing config file. | |
2402 | */ | |
ef90d6d4 | 2403 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 2404 | error("invalid config file %s", config_filename); |
10bea152 | 2405 | free(store.key); |
c1063be2 JK |
2406 | if (store.value_regex != NULL && |
2407 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2408 | regfree(store.value_regex); |
2409 | free(store.value_regex); | |
2410 | } | |
7a397419 | 2411 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 2412 | goto out_free; |
10bea152 JS |
2413 | } |
2414 | ||
2415 | free(store.key); | |
c1063be2 JK |
2416 | if (store.value_regex != NULL && |
2417 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2418 | regfree(store.value_regex); |
2419 | free(store.value_regex); | |
2420 | } | |
2421 | ||
4ddba79d JS |
2422 | /* if nothing to unset, or too many matches, error out */ |
2423 | if ((store.seen == 0 && value == NULL) || | |
2424 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 2425 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2426 | goto out_free; |
10bea152 JS |
2427 | } |
2428 | ||
29647d79 NTND |
2429 | if (fstat(in_fd, &st) == -1) { |
2430 | error_errno(_("fstat on %s failed"), config_filename); | |
2431 | ret = CONFIG_INVALID_FILE; | |
2432 | goto out_free; | |
2433 | } | |
2434 | ||
dc49cd76 | 2435 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
2436 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
2437 | MAP_PRIVATE, in_fd, 0); | |
2438 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
2439 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
2440 | errno = EISDIR; | |
f0658ec9 | 2441 | error_errno("unable to mmap '%s'", config_filename); |
1570856b JK |
2442 | ret = CONFIG_INVALID_FILE; |
2443 | contents = NULL; | |
2444 | goto out_free; | |
2445 | } | |
10bea152 | 2446 | close(in_fd); |
54d160ec | 2447 | in_fd = -1; |
10bea152 | 2448 | |
b4fb09e4 | 2449 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 | 2450 | error_errno("chmod on %s failed", get_lock_file_path(lock)); |
daa22c6f EW |
2451 | ret = CONFIG_NO_WRITE; |
2452 | goto out_free; | |
2453 | } | |
2454 | ||
4ddba79d JS |
2455 | if (store.seen == 0) |
2456 | store.seen = 1; | |
2457 | ||
2458 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
2459 | if (store.offset[i] == 0) { | |
dc49cd76 | 2460 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
2461 | } else if (store.state != KEY_SEEN) { |
2462 | copy_end = store.offset[i]; | |
10bea152 | 2463 | } else |
4ddba79d | 2464 | copy_end = find_beginning_of_line( |
dc49cd76 | 2465 | contents, contents_sz, |
4ddba79d JS |
2466 | store.offset[i]-2, &new_line); |
2467 | ||
02e5ba4a JK |
2468 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
2469 | new_line = 1; | |
2470 | ||
4ddba79d JS |
2471 | /* write the first part of the config */ |
2472 | if (copy_end > copy_begin) { | |
93c1e079 JH |
2473 | if (write_in_full(fd, contents + copy_begin, |
2474 | copy_end - copy_begin) < | |
2475 | copy_end - copy_begin) | |
2476 | goto write_err_out; | |
2477 | if (new_line && | |
2b7ca830 | 2478 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 2479 | goto write_err_out; |
4ddba79d JS |
2480 | } |
2481 | copy_begin = store.offset[i]; | |
10bea152 JS |
2482 | } |
2483 | ||
10bea152 JS |
2484 | /* write the pair (value == NULL means unset) */ |
2485 | if (value != NULL) { | |
93c1e079 JH |
2486 | if (store.state == START) { |
2487 | if (!store_write_section(fd, key)) | |
2488 | goto write_err_out; | |
480c9e52 | 2489 | } |
93c1e079 JH |
2490 | if (!store_write_pair(fd, key, value)) |
2491 | goto write_err_out; | |
10bea152 JS |
2492 | } |
2493 | ||
2494 | /* write the rest of the config */ | |
dc49cd76 | 2495 | if (copy_begin < contents_sz) |
93c1e079 | 2496 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
2497 | contents_sz - copy_begin) < |
2498 | contents_sz - copy_begin) | |
93c1e079 | 2499 | goto write_err_out; |
7a64592c KB |
2500 | |
2501 | munmap(contents, contents_sz); | |
2502 | contents = NULL; | |
10bea152 JS |
2503 | } |
2504 | ||
4ed7cd3a | 2505 | if (commit_lock_file(lock) < 0) { |
f0658ec9 | 2506 | error_errno("could not write config file %s", config_filename); |
7a397419 | 2507 | ret = CONFIG_NO_WRITE; |
e831855e | 2508 | lock = NULL; |
dafc88b1 | 2509 | goto out_free; |
10bea152 JS |
2510 | } |
2511 | ||
6cbf973c BS |
2512 | /* |
2513 | * lock is committed, so don't try to roll it back below. | |
2514 | * NOTE: Since lockfile.c keeps a linked list of all created | |
2515 | * lock_file structures, it isn't safe to free(lock). It's | |
2516 | * better to just leave it hanging around. | |
2517 | */ | |
2518 | lock = NULL; | |
dafc88b1 SH |
2519 | ret = 0; |
2520 | ||
3c8687a7 TA |
2521 | /* Invalidate the config cache */ |
2522 | git_config_clear(); | |
2523 | ||
dafc88b1 | 2524 | out_free: |
6cbf973c BS |
2525 | if (lock) |
2526 | rollback_lock_file(lock); | |
0a5f5759 | 2527 | free(filename_buf); |
3a1b3126 JK |
2528 | if (contents) |
2529 | munmap(contents, contents_sz); | |
54d160ec SS |
2530 | if (in_fd >= 0) |
2531 | close(in_fd); | |
dafc88b1 | 2532 | return ret; |
93c1e079 JH |
2533 | |
2534 | write_err_out: | |
b4fb09e4 | 2535 | ret = write_error(get_lock_file_path(lock)); |
93c1e079 JH |
2536 | goto out_free; |
2537 | ||
10bea152 JS |
2538 | } |
2539 | ||
3d180648 PS |
2540 | void git_config_set_multivar_in_file(const char *config_filename, |
2541 | const char *key, const char *value, | |
2542 | const char *value_regex, int multi_replace) | |
b4c8aba6 | 2543 | { |
1cae428e JK |
2544 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
2545 | value_regex, multi_replace)) | |
2546 | return; | |
2547 | if (value) | |
8c3ca351 | 2548 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
2549 | else |
2550 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
2551 | } |
2552 | ||
30598ad0 PS |
2553 | int git_config_set_multivar_gently(const char *key, const char *value, |
2554 | const char *value_regex, int multi_replace) | |
5ec31182 | 2555 | { |
30598ad0 PS |
2556 | return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex, |
2557 | multi_replace); | |
5ec31182 RR |
2558 | } |
2559 | ||
3d180648 PS |
2560 | void git_config_set_multivar(const char *key, const char *value, |
2561 | const char *value_regex, int multi_replace) | |
5ec31182 | 2562 | { |
3d180648 PS |
2563 | git_config_set_multivar_in_file(NULL, key, value, value_regex, |
2564 | multi_replace); | |
5ec31182 RR |
2565 | } |
2566 | ||
118f8b24 PB |
2567 | static int section_name_match (const char *buf, const char *name) |
2568 | { | |
2569 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
2570 | if (buf[i] != '[') |
2571 | return 0; | |
2572 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
2573 | if (!dot && isspace(buf[i])) { |
2574 | dot = 1; | |
2575 | if (name[j++] != '.') | |
2576 | break; | |
2577 | for (i++; isspace(buf[i]); i++) | |
2578 | ; /* do nothing */ | |
2579 | if (buf[i] != '"') | |
2580 | break; | |
2581 | continue; | |
2582 | } | |
2583 | if (buf[i] == '\\' && dot) | |
2584 | i++; | |
2585 | else if (buf[i] == '"' && dot) { | |
2586 | for (i++; isspace(buf[i]); i++) | |
2587 | ; /* do_nothing */ | |
2588 | break; | |
2589 | } | |
2590 | if (buf[i] != name[j++]) | |
2591 | break; | |
2592 | } | |
a4c0d463 AV |
2593 | if (buf[i] == ']' && name[j] == 0) { |
2594 | /* | |
2595 | * We match, now just find the right length offset by | |
2596 | * gobbling up any whitespace after it, as well | |
2597 | */ | |
2598 | i++; | |
2599 | for (; buf[i] && isspace(buf[i]); i++) | |
2600 | ; /* do nothing */ | |
2601 | return i; | |
2602 | } | |
2603 | return 0; | |
118f8b24 PB |
2604 | } |
2605 | ||
94a35b1a JK |
2606 | static int section_name_is_ok(const char *name) |
2607 | { | |
2608 | /* Empty section names are bogus. */ | |
2609 | if (!*name) | |
2610 | return 0; | |
2611 | ||
2612 | /* | |
2613 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
2614 | * anything goes, so we can stop checking. | |
2615 | */ | |
2616 | for (; *name && *name != '.'; name++) | |
2617 | if (*name != '-' && !isalnum(*name)) | |
2618 | return 0; | |
2619 | return 1; | |
2620 | } | |
2621 | ||
118f8b24 | 2622 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
2623 | int git_config_rename_section_in_file(const char *config_filename, |
2624 | const char *old_name, const char *new_name) | |
0667fcfb | 2625 | { |
118f8b24 | 2626 | int ret = 0, remove = 0; |
42bd39b5 | 2627 | char *filename_buf = NULL; |
94a35b1a | 2628 | struct lock_file *lock; |
0667fcfb JS |
2629 | int out_fd; |
2630 | char buf[1024]; | |
924aaf3e | 2631 | FILE *config_file; |
daa22c6f | 2632 | struct stat st; |
0667fcfb | 2633 | |
94a35b1a JK |
2634 | if (new_name && !section_name_is_ok(new_name)) { |
2635 | ret = error("invalid section name: %s", new_name); | |
c06fa62d | 2636 | goto out_no_rollback; |
94a35b1a JK |
2637 | } |
2638 | ||
42bd39b5 JK |
2639 | if (!config_filename) |
2640 | config_filename = filename_buf = git_pathdup("config"); | |
2641 | ||
f1064f6b | 2642 | lock = xcalloc(1, sizeof(struct lock_file)); |
0667fcfb | 2643 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 2644 | if (out_fd < 0) { |
64c0d71c | 2645 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
2646 | goto out; |
2647 | } | |
0667fcfb | 2648 | |
fc1905bb | 2649 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc | 2650 | /* no config file means nothing to rename, no error */ |
6e45b43f | 2651 | goto commit_and_out; |
fc1905bb | 2652 | } |
0667fcfb | 2653 | |
29647d79 NTND |
2654 | if (fstat(fileno(config_file), &st) == -1) { |
2655 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
2656 | goto out; | |
2657 | } | |
daa22c6f | 2658 | |
b4fb09e4 | 2659 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 NTND |
2660 | ret = error_errno("chmod on %s failed", |
2661 | get_lock_file_path(lock)); | |
daa22c6f EW |
2662 | goto out; |
2663 | } | |
2664 | ||
0667fcfb JS |
2665 | while (fgets(buf, sizeof(buf), config_file)) { |
2666 | int i; | |
480c9e52 | 2667 | int length; |
9a5abfc7 | 2668 | char *output = buf; |
0667fcfb JS |
2669 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
2670 | ; /* do nothing */ | |
2671 | if (buf[i] == '[') { | |
2672 | /* it's a section */ | |
a4c0d463 AV |
2673 | int offset = section_name_match(&buf[i], old_name); |
2674 | if (offset > 0) { | |
118f8b24 PB |
2675 | ret++; |
2676 | if (new_name == NULL) { | |
2677 | remove = 1; | |
0667fcfb JS |
2678 | continue; |
2679 | } | |
0667fcfb | 2680 | store.baselen = strlen(new_name); |
480c9e52 | 2681 | if (!store_write_section(out_fd, new_name)) { |
b4fb09e4 | 2682 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2683 | goto out; |
2684 | } | |
9a5abfc7 AV |
2685 | /* |
2686 | * We wrote out the new section, with | |
2687 | * a newline, now skip the old | |
2688 | * section's length | |
2689 | */ | |
2690 | output += offset + i; | |
2691 | if (strlen(output) > 0) { | |
2692 | /* | |
2693 | * More content means there's | |
2694 | * a declaration to put on the | |
2695 | * next line; indent with a | |
2696 | * tab | |
2697 | */ | |
2698 | output -= 1; | |
2699 | output[0] = '\t'; | |
2700 | } | |
0667fcfb | 2701 | } |
118f8b24 | 2702 | remove = 0; |
0667fcfb | 2703 | } |
118f8b24 PB |
2704 | if (remove) |
2705 | continue; | |
9a5abfc7 AV |
2706 | length = strlen(output); |
2707 | if (write_in_full(out_fd, output, length) != length) { | |
b4fb09e4 | 2708 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2709 | goto out; |
2710 | } | |
0667fcfb | 2711 | } |
fc1905bb | 2712 | fclose(config_file); |
6e45b43f | 2713 | commit_and_out: |
4ed7cd3a | 2714 | if (commit_lock_file(lock) < 0) |
f0658ec9 NTND |
2715 | ret = error_errno("could not write config file %s", |
2716 | config_filename); | |
8b590075 | 2717 | out: |
c06fa62d NTND |
2718 | rollback_lock_file(lock); |
2719 | out_no_rollback: | |
42bd39b5 | 2720 | free(filename_buf); |
0667fcfb JS |
2721 | return ret; |
2722 | } | |
40ea4ed9 | 2723 | |
42bd39b5 JK |
2724 | int git_config_rename_section(const char *old_name, const char *new_name) |
2725 | { | |
4a7bb5ba | 2726 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
2727 | } |
2728 | ||
40ea4ed9 JH |
2729 | /* |
2730 | * Call this to report error for your variable that should not | |
2731 | * get a boolean value (i.e. "[my] var" means "true"). | |
2732 | */ | |
a469a101 | 2733 | #undef config_error_nonbool |
40ea4ed9 JH |
2734 | int config_error_nonbool(const char *var) |
2735 | { | |
8c3ca351 | 2736 | return error("missing value for '%s'", var); |
40ea4ed9 | 2737 | } |
1b86bbb0 JK |
2738 | |
2739 | int parse_config_key(const char *var, | |
2740 | const char *section, | |
2741 | const char **subsection, int *subsection_len, | |
2742 | const char **key) | |
2743 | { | |
1b86bbb0 JK |
2744 | const char *dot; |
2745 | ||
2746 | /* Does it start with "section." ? */ | |
e3394fdc | 2747 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
2748 | return -1; |
2749 | ||
2750 | /* | |
2751 | * Find the key; we don't know yet if we have a subsection, but we must | |
2752 | * parse backwards from the end, since the subsection may have dots in | |
2753 | * it, too. | |
2754 | */ | |
2755 | dot = strrchr(var, '.'); | |
2756 | *key = dot + 1; | |
2757 | ||
2758 | /* Did we have a subsection at all? */ | |
e3394fdc | 2759 | if (dot == var) { |
48f8d9f7 JK |
2760 | if (subsection) { |
2761 | *subsection = NULL; | |
2762 | *subsection_len = 0; | |
2763 | } | |
1b86bbb0 JK |
2764 | } |
2765 | else { | |
48f8d9f7 JK |
2766 | if (!subsection) |
2767 | return -1; | |
e3394fdc | 2768 | *subsection = var + 1; |
1b86bbb0 JK |
2769 | *subsection_len = dot - *subsection; |
2770 | } | |
2771 | ||
2772 | return 0; | |
2773 | } | |
473166b9 LS |
2774 | |
2775 | const char *current_config_origin_type(void) | |
2776 | { | |
1b8132d9 | 2777 | int type; |
0d44a2da JK |
2778 | if (current_config_kvi) |
2779 | type = current_config_kvi->origin_type; | |
2780 | else if(cf) | |
2781 | type = cf->origin_type; | |
2782 | else | |
3258258f | 2783 | die("BUG: current_config_origin_type called outside config callback"); |
1b8132d9 VA |
2784 | |
2785 | switch (type) { | |
2786 | case CONFIG_ORIGIN_BLOB: | |
2787 | return "blob"; | |
2788 | case CONFIG_ORIGIN_FILE: | |
2789 | return "file"; | |
2790 | case CONFIG_ORIGIN_STDIN: | |
2791 | return "standard input"; | |
2792 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
2793 | return "submodule-blob"; | |
2794 | case CONFIG_ORIGIN_CMDLINE: | |
2795 | return "command line"; | |
2796 | default: | |
2797 | die("BUG: unknown config origin type"); | |
2798 | } | |
473166b9 LS |
2799 | } |
2800 | ||
2801 | const char *current_config_name(void) | |
2802 | { | |
0d44a2da JK |
2803 | const char *name; |
2804 | if (current_config_kvi) | |
2805 | name = current_config_kvi->filename; | |
2806 | else if (cf) | |
2807 | name = cf->name; | |
2808 | else | |
3258258f | 2809 | die("BUG: current_config_name called outside config callback"); |
0d44a2da | 2810 | return name ? name : ""; |
473166b9 | 2811 | } |
9acc5911 JK |
2812 | |
2813 | enum config_scope current_config_scope(void) | |
2814 | { | |
2815 | if (current_config_kvi) | |
2816 | return current_config_kvi->scope; | |
2817 | else | |
2818 | return current_parsing_scope; | |
473166b9 | 2819 | } |