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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" |
697cc8ef | 9 | #include "lockfile.h" |
7f0e39fa | 10 | #include "exec_cmd.h" |
572e4f6a | 11 | #include "strbuf.h" |
2b64fc89 | 12 | #include "quote.h" |
3c8687a7 TA |
13 | #include "hashmap.h" |
14 | #include "string-list.h" | |
599446dc | 15 | #include "utf8.h" |
3efd0bed | 16 | #include "dir.h" |
17712991 | 17 | |
4d8dd149 HV |
18 | struct config_source { |
19 | struct config_source *prev; | |
20 | union { | |
21 | FILE *file; | |
1bc88819 HV |
22 | struct config_buf { |
23 | const char *buf; | |
24 | size_t len; | |
25 | size_t pos; | |
26 | } buf; | |
4d8dd149 | 27 | } u; |
1b8132d9 | 28 | enum config_origin_type origin_type; |
924aaf3e | 29 | const char *name; |
d14d4244 | 30 | const char *path; |
b2dc0945 | 31 | int die_on_error; |
924aaf3e RJ |
32 | int linenr; |
33 | int eof; | |
34 | struct strbuf value; | |
0971e992 | 35 | struct strbuf var; |
924aaf3e | 36 | |
49d6cfa5 JK |
37 | int (*do_fgetc)(struct config_source *c); |
38 | int (*do_ungetc)(int c, struct config_source *conf); | |
39 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
40 | }; |
41 | ||
0d44a2da JK |
42 | /* |
43 | * These variables record the "current" config source, which | |
44 | * can be accessed by parsing callbacks. | |
45 | * | |
46 | * The "cf" variable will be non-NULL only when we are actually parsing a real | |
47 | * config source (file, blob, cmdline, etc). | |
48 | * | |
49 | * The "current_config_kvi" variable will be non-NULL only when we are feeding | |
50 | * cached config from a configset into a callback. | |
51 | * | |
52 | * They should generally never be non-NULL at the same time. If they are both | |
53 | * NULL, then we aren't parsing anything (and depending on the function looking | |
54 | * at the variables, it's either a bug for it to be called in the first place, | |
55 | * or it's a function which can be reused for non-config purposes, and should | |
56 | * fall back to some sane behavior). | |
57 | */ | |
4d8dd149 | 58 | static struct config_source *cf; |
0d44a2da | 59 | static struct key_value_info *current_config_kvi; |
924aaf3e | 60 | |
9acc5911 JK |
61 | /* |
62 | * Similar to the variables above, this gives access to the "scope" of the | |
63 | * current value (repo, global, etc). For cached values, it can be found via | |
64 | * the current_config_kvi as above. During parsing, the current value can be | |
65 | * found in this variable. It's not part of "cf" because it transcends a single | |
66 | * file (i.e., a file included from .git/config is still in "repo" scope). | |
67 | */ | |
68 | static enum config_scope current_parsing_scope; | |
924aaf3e | 69 | |
8de7eeb5 JH |
70 | static int core_compression_seen; |
71 | static int pack_compression_seen; | |
960ccca6 DH |
72 | static int zlib_compression_seen; |
73 | ||
3c8687a7 TA |
74 | /* |
75 | * Default config_set that contains key-value pairs from the usual set of config | |
76 | * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG | |
77 | * config file and the global /etc/gitconfig) | |
78 | */ | |
79 | static struct config_set the_config_set; | |
80 | ||
4d8dd149 HV |
81 | static int config_file_fgetc(struct config_source *conf) |
82 | { | |
260d408e | 83 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
84 | } |
85 | ||
86 | static int config_file_ungetc(int c, struct config_source *conf) | |
87 | { | |
88 | return ungetc(c, conf->u.file); | |
89 | } | |
90 | ||
91 | static long config_file_ftell(struct config_source *conf) | |
92 | { | |
93 | return ftell(conf->u.file); | |
94 | } | |
95 | ||
1bc88819 HV |
96 | |
97 | static int config_buf_fgetc(struct config_source *conf) | |
98 | { | |
99 | if (conf->u.buf.pos < conf->u.buf.len) | |
100 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
101 | ||
102 | return EOF; | |
103 | } | |
104 | ||
105 | static int config_buf_ungetc(int c, struct config_source *conf) | |
106 | { | |
1d0655c1 JK |
107 | if (conf->u.buf.pos > 0) { |
108 | conf->u.buf.pos--; | |
109 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
110 | die("BUG: config_buf can only ungetc the same character"); | |
111 | return c; | |
112 | } | |
1bc88819 HV |
113 | |
114 | return EOF; | |
115 | } | |
116 | ||
117 | static long config_buf_ftell(struct config_source *conf) | |
118 | { | |
119 | return conf->u.buf.pos; | |
120 | } | |
121 | ||
9b25a0b5 JK |
122 | #define MAX_INCLUDE_DEPTH 10 |
123 | static const char include_depth_advice[] = | |
124 | "exceeded maximum include depth (%d) while including\n" | |
125 | " %s\n" | |
126 | "from\n" | |
127 | " %s\n" | |
128 | "Do you have circular includes?"; | |
129 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
130 | { | |
131 | int ret = 0; | |
132 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 133 | char *expanded; |
4c0a89fc | 134 | |
67beb600 JK |
135 | if (!path) |
136 | return config_error_nonbool("include.path"); | |
137 | ||
138 | expanded = expand_user_path(path); | |
4c0a89fc | 139 | if (!expanded) |
8c3ca351 | 140 | return error("could not expand include path '%s'", path); |
4c0a89fc | 141 | path = expanded; |
9b25a0b5 JK |
142 | |
143 | /* | |
144 | * Use an absolute path as-is, but interpret relative paths | |
145 | * based on the including config file. | |
146 | */ | |
147 | if (!is_absolute_path(path)) { | |
148 | char *slash; | |
149 | ||
d14d4244 | 150 | if (!cf || !cf->path) |
9b25a0b5 JK |
151 | return error("relative config includes must come from files"); |
152 | ||
d14d4244 | 153 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 154 | if (slash) |
d14d4244 | 155 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
156 | strbuf_addstr(&buf, path); |
157 | path = buf.buf; | |
158 | } | |
159 | ||
4698c8fe | 160 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
161 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
162 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
3258258f JK |
163 | !cf ? "<unknown>" : |
164 | cf->name ? cf->name : | |
165 | "the command line"); | |
9b25a0b5 JK |
166 | ret = git_config_from_file(git_config_include, path, inc); |
167 | inc->depth--; | |
168 | } | |
169 | strbuf_release(&buf); | |
4c0a89fc | 170 | free(expanded); |
9b25a0b5 JK |
171 | return ret; |
172 | } | |
173 | ||
3efd0bed NTND |
174 | static int prepare_include_condition_pattern(struct strbuf *pat) |
175 | { | |
176 | struct strbuf path = STRBUF_INIT; | |
177 | char *expanded; | |
178 | int prefix = 0; | |
179 | ||
180 | expanded = expand_user_path(pat->buf); | |
181 | if (expanded) { | |
182 | strbuf_reset(pat); | |
183 | strbuf_addstr(pat, expanded); | |
184 | free(expanded); | |
185 | } | |
186 | ||
187 | if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) { | |
188 | const char *slash; | |
189 | ||
190 | if (!cf || !cf->path) | |
191 | return error(_("relative config include " | |
192 | "conditionals must come from files")); | |
193 | ||
194 | strbuf_add_absolute_path(&path, cf->path); | |
195 | slash = find_last_dir_sep(path.buf); | |
196 | if (!slash) | |
197 | die("BUG: how is this possible?"); | |
198 | strbuf_splice(pat, 0, 1, path.buf, slash - path.buf); | |
199 | prefix = slash - path.buf + 1 /* slash */; | |
200 | } else if (!is_absolute_path(pat->buf)) | |
201 | strbuf_insert(pat, 0, "**/", 3); | |
202 | ||
203 | if (pat->len && is_dir_sep(pat->buf[pat->len - 1])) | |
204 | strbuf_addstr(pat, "**"); | |
205 | ||
206 | strbuf_release(&path); | |
207 | return prefix; | |
208 | } | |
209 | ||
2185fde5 NTND |
210 | static int include_by_gitdir(const struct config_options *opts, |
211 | const char *cond, size_t cond_len, int icase) | |
3efd0bed NTND |
212 | { |
213 | struct strbuf text = STRBUF_INIT; | |
214 | struct strbuf pattern = STRBUF_INIT; | |
215 | int ret = 0, prefix; | |
2185fde5 | 216 | const char *git_dir; |
3efd0bed | 217 | |
2185fde5 NTND |
218 | if (opts->git_dir) |
219 | git_dir = opts->git_dir; | |
220 | else if (have_git_dir()) | |
221 | git_dir = get_git_dir(); | |
222 | else | |
223 | goto done; | |
224 | ||
225 | strbuf_add_absolute_path(&text, git_dir); | |
3efd0bed NTND |
226 | strbuf_add(&pattern, cond, cond_len); |
227 | prefix = prepare_include_condition_pattern(&pattern); | |
228 | ||
229 | if (prefix < 0) | |
230 | goto done; | |
231 | ||
232 | if (prefix > 0) { | |
233 | /* | |
234 | * perform literal matching on the prefix part so that | |
235 | * any wildcard character in it can't create side effects. | |
236 | */ | |
237 | if (text.len < prefix) | |
238 | goto done; | |
239 | if (!icase && strncmp(pattern.buf, text.buf, prefix)) | |
240 | goto done; | |
241 | if (icase && strncasecmp(pattern.buf, text.buf, prefix)) | |
242 | goto done; | |
243 | } | |
244 | ||
245 | ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, | |
246 | icase ? WM_CASEFOLD : 0, NULL); | |
247 | ||
248 | done: | |
249 | strbuf_release(&pattern); | |
250 | strbuf_release(&text); | |
251 | return ret; | |
252 | } | |
253 | ||
2185fde5 NTND |
254 | static int include_condition_is_true(const struct config_options *opts, |
255 | const char *cond, size_t cond_len) | |
3efd0bed NTND |
256 | { |
257 | ||
258 | if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len)) | |
2185fde5 | 259 | return include_by_gitdir(opts, cond, cond_len, 0); |
3efd0bed | 260 | else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len)) |
2185fde5 | 261 | return include_by_gitdir(opts, cond, cond_len, 1); |
3efd0bed NTND |
262 | |
263 | /* unknown conditionals are always false */ | |
264 | return 0; | |
265 | } | |
266 | ||
9b25a0b5 JK |
267 | int git_config_include(const char *var, const char *value, void *data) |
268 | { | |
269 | struct config_include_data *inc = data; | |
3efd0bed NTND |
270 | const char *cond, *key; |
271 | int cond_len; | |
9b25a0b5 JK |
272 | int ret; |
273 | ||
274 | /* | |
275 | * Pass along all values, including "include" directives; this makes it | |
276 | * possible to query information on the includes themselves. | |
277 | */ | |
278 | ret = inc->fn(var, value, inc->data); | |
279 | if (ret < 0) | |
280 | return ret; | |
281 | ||
37007c3a | 282 | if (!strcmp(var, "include.path")) |
9b25a0b5 | 283 | ret = handle_path_include(value, inc); |
3efd0bed NTND |
284 | |
285 | if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) && | |
2185fde5 | 286 | (cond && include_condition_is_true(inc->opts, cond, cond_len)) && |
3efd0bed NTND |
287 | !strcmp(key, "path")) |
288 | ret = handle_path_include(value, inc); | |
289 | ||
9b25a0b5 JK |
290 | return ret; |
291 | } | |
292 | ||
2b64fc89 JK |
293 | void git_config_push_parameter(const char *text) |
294 | { | |
295 | struct strbuf env = STRBUF_INIT; | |
296 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 297 | if (old && *old) { |
2b64fc89 JK |
298 | strbuf_addstr(&env, old); |
299 | strbuf_addch(&env, ' '); | |
300 | } | |
301 | sq_quote_buf(&env, text); | |
302 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
303 | strbuf_release(&env); | |
304 | } | |
305 | ||
ee98df3f JH |
306 | static inline int iskeychar(int c) |
307 | { | |
308 | return isalnum(c) || c == '-'; | |
309 | } | |
310 | ||
311 | /* | |
312 | * Auxiliary function to sanity-check and split the key into the section | |
313 | * identifier and variable name. | |
314 | * | |
315 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
316 | * -2 if there is no section name in the key. | |
317 | * | |
318 | * store_key - pointer to char* which will hold a copy of the key with | |
319 | * lowercase section and variable name | |
320 | * baselen - pointer to int which will hold the length of the | |
321 | * section + subsection part, can be NULL | |
322 | */ | |
323 | static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet) | |
324 | { | |
325 | int i, dot, baselen; | |
326 | const char *last_dot = strrchr(key, '.'); | |
327 | ||
328 | /* | |
329 | * Since "key" actually contains the section name and the real | |
330 | * key name separated by a dot, we have to know where the dot is. | |
331 | */ | |
332 | ||
333 | if (last_dot == NULL || last_dot == key) { | |
334 | if (!quiet) | |
335 | error("key does not contain a section: %s", key); | |
336 | return -CONFIG_NO_SECTION_OR_NAME; | |
337 | } | |
338 | ||
339 | if (!last_dot[1]) { | |
340 | if (!quiet) | |
341 | error("key does not contain variable name: %s", key); | |
342 | return -CONFIG_NO_SECTION_OR_NAME; | |
343 | } | |
344 | ||
345 | baselen = last_dot - key; | |
346 | if (baselen_) | |
347 | *baselen_ = baselen; | |
348 | ||
349 | /* | |
350 | * Validate the key and while at it, lower case it for matching. | |
351 | */ | |
352 | if (store_key) | |
353 | *store_key = xmallocz(strlen(key)); | |
354 | ||
355 | dot = 0; | |
356 | for (i = 0; key[i]; i++) { | |
357 | unsigned char c = key[i]; | |
358 | if (c == '.') | |
359 | dot = 1; | |
360 | /* Leave the extended basename untouched.. */ | |
361 | if (!dot || i > baselen) { | |
362 | if (!iskeychar(c) || | |
363 | (i == baselen + 1 && !isalpha(c))) { | |
364 | if (!quiet) | |
365 | error("invalid key: %s", key); | |
366 | goto out_free_ret_1; | |
367 | } | |
368 | c = tolower(c); | |
369 | } else if (c == '\n') { | |
370 | if (!quiet) | |
371 | error("invalid key (newline): %s", key); | |
372 | goto out_free_ret_1; | |
373 | } | |
374 | if (store_key) | |
375 | (*store_key)[i] = c; | |
376 | } | |
377 | ||
378 | return 0; | |
379 | ||
380 | out_free_ret_1: | |
381 | if (store_key) { | |
382 | free(*store_key); | |
383 | *store_key = NULL; | |
384 | } | |
385 | return -CONFIG_INVALID_KEY; | |
386 | } | |
387 | ||
388 | int git_config_parse_key(const char *key, char **store_key, int *baselen) | |
389 | { | |
390 | return git_config_parse_key_1(key, store_key, baselen, 0); | |
391 | } | |
392 | ||
393 | int git_config_key_is_valid(const char *key) | |
394 | { | |
395 | return !git_config_parse_key_1(key, NULL, NULL, 1); | |
396 | } | |
397 | ||
2496844b JK |
398 | int git_config_parse_parameter(const char *text, |
399 | config_fn_t fn, void *data) | |
8b1fa778 | 400 | { |
a789ca70 | 401 | const char *value; |
1274a155 | 402 | char *canonical_name; |
572e4f6a | 403 | struct strbuf **pair; |
1274a155 | 404 | int ret; |
a789ca70 | 405 | |
f77bccae | 406 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
407 | if (!pair[0]) |
408 | return error("bogus config parameter: %s", text); | |
a789ca70 JH |
409 | |
410 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 411 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
412 | value = pair[1] ? pair[1]->buf : ""; |
413 | } else { | |
414 | value = NULL; | |
415 | } | |
416 | ||
572e4f6a AR |
417 | strbuf_trim(pair[0]); |
418 | if (!pair[0]->len) { | |
419 | strbuf_list_free(pair); | |
06eb708f | 420 | return error("bogus config parameter: %s", text); |
8b1fa778 | 421 | } |
1274a155 JH |
422 | |
423 | if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) { | |
424 | ret = -1; | |
425 | } else { | |
426 | ret = (fn(canonical_name, value, data) < 0) ? -1 : 0; | |
427 | free(canonical_name); | |
572e4f6a AR |
428 | } |
429 | strbuf_list_free(pair); | |
1274a155 | 430 | return ret; |
8b1fa778 AR |
431 | } |
432 | ||
06eb708f JK |
433 | int git_config_from_parameters(config_fn_t fn, void *data) |
434 | { | |
2b64fc89 | 435 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
a77d6db6 | 436 | int ret = 0; |
2b64fc89 JK |
437 | char *envw; |
438 | const char **argv = NULL; | |
439 | int nr = 0, alloc = 0; | |
440 | int i; | |
3258258f | 441 | struct config_source source; |
2b64fc89 JK |
442 | |
443 | if (!env) | |
444 | return 0; | |
3258258f JK |
445 | |
446 | memset(&source, 0, sizeof(source)); | |
447 | source.prev = cf; | |
1b8132d9 | 448 | source.origin_type = CONFIG_ORIGIN_CMDLINE; |
3258258f JK |
449 | cf = &source; |
450 | ||
2b64fc89 JK |
451 | /* sq_dequote will write over it */ |
452 | envw = xstrdup(env); | |
453 | ||
454 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
a77d6db6 JK |
455 | ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT); |
456 | goto out; | |
2b64fc89 JK |
457 | } |
458 | ||
459 | for (i = 0; i < nr; i++) { | |
06eb708f | 460 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
a77d6db6 JK |
461 | ret = -1; |
462 | goto out; | |
2b64fc89 JK |
463 | } |
464 | } | |
465 | ||
a77d6db6 | 466 | out: |
2b64fc89 JK |
467 | free(argv); |
468 | free(envw); | |
3258258f | 469 | cf = source.prev; |
a77d6db6 | 470 | return ret; |
2b64fc89 JK |
471 | } |
472 | ||
17712991 LT |
473 | static int get_next_char(void) |
474 | { | |
49d6cfa5 | 475 | int c = cf->do_fgetc(cf); |
17712991 | 476 | |
dbb9a812 HV |
477 | if (c == '\r') { |
478 | /* DOS like systems */ | |
49d6cfa5 | 479 | c = cf->do_fgetc(cf); |
dbb9a812 | 480 | if (c != '\n') { |
5e0be134 JK |
481 | if (c != EOF) |
482 | cf->do_ungetc(c, cf); | |
dbb9a812 | 483 | c = '\r'; |
17712991 LT |
484 | } |
485 | } | |
dbb9a812 HV |
486 | if (c == '\n') |
487 | cf->linenr++; | |
488 | if (c == EOF) { | |
489 | cf->eof = 1; | |
b3b3f60b | 490 | cf->linenr++; |
dbb9a812 HV |
491 | c = '\n'; |
492 | } | |
17712991 LT |
493 | return c; |
494 | } | |
495 | ||
496 | static char *parse_value(void) | |
497 | { | |
e96c19c5 | 498 | int quote = 0, comment = 0, space = 0; |
17712991 | 499 | |
924aaf3e | 500 | strbuf_reset(&cf->value); |
17712991 LT |
501 | for (;;) { |
502 | int c = get_next_char(); | |
17712991 | 503 | if (c == '\n') { |
4b340593 MS |
504 | if (quote) { |
505 | cf->linenr--; | |
17712991 | 506 | return NULL; |
4b340593 | 507 | } |
924aaf3e | 508 | return cf->value.buf; |
17712991 LT |
509 | } |
510 | if (comment) | |
511 | continue; | |
512 | if (isspace(c) && !quote) { | |
924aaf3e | 513 | if (cf->value.len) |
ebdaae37 | 514 | space++; |
17712991 LT |
515 | continue; |
516 | } | |
7ebdba61 JS |
517 | if (!quote) { |
518 | if (c == ';' || c == '#') { | |
519 | comment = 1; | |
520 | continue; | |
521 | } | |
522 | } | |
ebdaae37 | 523 | for (; space; space--) |
924aaf3e | 524 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
525 | if (c == '\\') { |
526 | c = get_next_char(); | |
527 | switch (c) { | |
528 | case '\n': | |
529 | continue; | |
530 | case 't': | |
531 | c = '\t'; | |
532 | break; | |
533 | case 'b': | |
534 | c = '\b'; | |
535 | break; | |
536 | case 'n': | |
537 | c = '\n'; | |
538 | break; | |
5cbb401d LT |
539 | /* Some characters escape as themselves */ |
540 | case '\\': case '"': | |
541 | break; | |
542 | /* Reject unknown escape sequences */ | |
543 | default: | |
544 | return NULL; | |
17712991 | 545 | } |
924aaf3e | 546 | strbuf_addch(&cf->value, c); |
17712991 LT |
547 | continue; |
548 | } | |
549 | if (c == '"') { | |
550 | quote = 1-quote; | |
551 | continue; | |
552 | } | |
924aaf3e | 553 | strbuf_addch(&cf->value, c); |
17712991 LT |
554 | } |
555 | } | |
556 | ||
0971e992 | 557 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
558 | { |
559 | int c; | |
560 | char *value; | |
b3b3f60b | 561 | int ret; |
17712991 LT |
562 | |
563 | /* Get the full name */ | |
564 | for (;;) { | |
565 | c = get_next_char(); | |
924aaf3e | 566 | if (cf->eof) |
17712991 | 567 | break; |
38c5afa8 | 568 | if (!iskeychar(c)) |
17712991 | 569 | break; |
0971e992 | 570 | strbuf_addch(name, tolower(c)); |
17712991 | 571 | } |
0971e992 | 572 | |
17712991 LT |
573 | while (c == ' ' || c == '\t') |
574 | c = get_next_char(); | |
575 | ||
576 | value = NULL; | |
577 | if (c != '\n') { | |
578 | if (c != '=') | |
579 | return -1; | |
580 | value = parse_value(); | |
581 | if (!value) | |
582 | return -1; | |
583 | } | |
b3b3f60b MM |
584 | /* |
585 | * We already consumed the \n, but we need linenr to point to | |
586 | * the line we just parsed during the call to fn to get | |
587 | * accurate line number in error messages. | |
588 | */ | |
589 | cf->linenr--; | |
590 | ret = fn(name->buf, value, data); | |
591 | cf->linenr++; | |
592 | return ret; | |
17712991 LT |
593 | } |
594 | ||
0971e992 | 595 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
596 | { |
597 | do { | |
598 | if (c == '\n') | |
4b340593 | 599 | goto error_incomplete_line; |
d14f7764 LT |
600 | c = get_next_char(); |
601 | } while (isspace(c)); | |
602 | ||
603 | /* We require the format to be '[base "extension"]' */ | |
604 | if (c != '"') | |
605 | return -1; | |
0971e992 | 606 | strbuf_addch(name, '.'); |
d14f7764 LT |
607 | |
608 | for (;;) { | |
609 | int c = get_next_char(); | |
610 | if (c == '\n') | |
4b340593 | 611 | goto error_incomplete_line; |
d14f7764 LT |
612 | if (c == '"') |
613 | break; | |
614 | if (c == '\\') { | |
615 | c = get_next_char(); | |
616 | if (c == '\n') | |
4b340593 | 617 | goto error_incomplete_line; |
d14f7764 | 618 | } |
0971e992 | 619 | strbuf_addch(name, c); |
d14f7764 LT |
620 | } |
621 | ||
622 | /* Final ']' */ | |
623 | if (get_next_char() != ']') | |
624 | return -1; | |
0971e992 | 625 | return 0; |
4b340593 MS |
626 | error_incomplete_line: |
627 | cf->linenr--; | |
628 | return -1; | |
d14f7764 LT |
629 | } |
630 | ||
0971e992 | 631 | static int get_base_var(struct strbuf *name) |
17712991 | 632 | { |
17712991 LT |
633 | for (;;) { |
634 | int c = get_next_char(); | |
924aaf3e | 635 | if (cf->eof) |
17712991 LT |
636 | return -1; |
637 | if (c == ']') | |
0971e992 | 638 | return 0; |
d14f7764 | 639 | if (isspace(c)) |
0971e992 | 640 | return get_extended_base_var(name, c); |
38c5afa8 | 641 | if (!iskeychar(c) && c != '.') |
17712991 | 642 | return -1; |
0971e992 | 643 | strbuf_addch(name, tolower(c)); |
17712991 LT |
644 | } |
645 | } | |
646 | ||
4d8dd149 | 647 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
648 | { |
649 | int comment = 0; | |
650 | int baselen = 0; | |
0971e992 | 651 | struct strbuf *var = &cf->var; |
1b8132d9 VA |
652 | int error_return = 0; |
653 | char *error_msg = NULL; | |
17712991 | 654 | |
de056402 | 655 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 656 | const char *bomptr = utf8_bom; |
de056402 | 657 | |
17712991 LT |
658 | for (;;) { |
659 | int c = get_next_char(); | |
de056402 PB |
660 | if (bomptr && *bomptr) { |
661 | /* We are at the file beginning; skip UTF8-encoded BOM | |
662 | * if present. Sane editors won't put this in on their | |
663 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 664 | if (c == (*bomptr & 0377)) { |
de056402 PB |
665 | bomptr++; |
666 | continue; | |
667 | } else { | |
668 | /* Do not tolerate partial BOM. */ | |
669 | if (bomptr != utf8_bom) | |
670 | break; | |
671 | /* No BOM at file beginning. Cool. */ | |
672 | bomptr = NULL; | |
673 | } | |
674 | } | |
17712991 | 675 | if (c == '\n') { |
924aaf3e | 676 | if (cf->eof) |
17712991 LT |
677 | return 0; |
678 | comment = 0; | |
679 | continue; | |
680 | } | |
681 | if (comment || isspace(c)) | |
682 | continue; | |
683 | if (c == '#' || c == ';') { | |
684 | comment = 1; | |
685 | continue; | |
686 | } | |
687 | if (c == '[') { | |
0971e992 BW |
688 | /* Reset prior to determining a new stem */ |
689 | strbuf_reset(var); | |
690 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 691 | break; |
0971e992 BW |
692 | strbuf_addch(var, '.'); |
693 | baselen = var->len; | |
17712991 LT |
694 | continue; |
695 | } | |
696 | if (!isalpha(c)) | |
697 | break; | |
0971e992 BW |
698 | /* |
699 | * Truncate the var name back to the section header | |
700 | * stem prior to grabbing the suffix part of the name | |
701 | * and the value. | |
702 | */ | |
703 | strbuf_setlen(var, baselen); | |
704 | strbuf_addch(var, tolower(c)); | |
705 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
706 | break; |
707 | } | |
1b8132d9 VA |
708 | |
709 | switch (cf->origin_type) { | |
710 | case CONFIG_ORIGIN_BLOB: | |
711 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
712 | cf->linenr, cf->name); | |
713 | break; | |
714 | case CONFIG_ORIGIN_FILE: | |
715 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
716 | cf->linenr, cf->name); | |
717 | break; | |
718 | case CONFIG_ORIGIN_STDIN: | |
719 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
720 | cf->linenr); | |
721 | break; | |
722 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
723 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
724 | cf->linenr, cf->name); | |
725 | break; | |
726 | case CONFIG_ORIGIN_CMDLINE: | |
727 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
728 | cf->linenr, cf->name); | |
729 | break; | |
730 | default: | |
731 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
732 | cf->linenr, cf->name); | |
733 | } | |
734 | ||
b2dc0945 | 735 | if (cf->die_on_error) |
1b8132d9 | 736 | die("%s", error_msg); |
b2dc0945 | 737 | else |
1b8132d9 VA |
738 | error_return = error("%s", error_msg); |
739 | ||
740 | free(error_msg); | |
741 | return error_return; | |
17712991 LT |
742 | } |
743 | ||
ebaa1bd4 | 744 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
745 | { |
746 | if (!*end) | |
747 | return 1; | |
c8deb5a1 SP |
748 | else if (!strcasecmp(end, "k")) { |
749 | *val *= 1024; | |
750 | return 1; | |
751 | } | |
752 | else if (!strcasecmp(end, "m")) { | |
753 | *val *= 1024 * 1024; | |
754 | return 1; | |
755 | } | |
756 | else if (!strcasecmp(end, "g")) { | |
757 | *val *= 1024 * 1024 * 1024; | |
758 | return 1; | |
759 | } | |
760 | return 0; | |
0b87b6e0 BD |
761 | } |
762 | ||
7192777d | 763 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
764 | { |
765 | if (value && *value) { | |
766 | char *end; | |
ebaa1bd4 NA |
767 | intmax_t val; |
768 | uintmax_t uval; | |
769 | uintmax_t factor = 1; | |
770 | ||
771 | errno = 0; | |
772 | val = strtoimax(value, &end, 0); | |
773 | if (errno == ERANGE) | |
774 | return 0; | |
33fdd77e JK |
775 | if (!parse_unit_factor(end, &factor)) { |
776 | errno = EINVAL; | |
c8deb5a1 | 777 | return 0; |
33fdd77e | 778 | } |
83915ba5 | 779 | uval = labs(val); |
ebaa1bd4 | 780 | uval *= factor; |
83915ba5 | 781 | if (uval > max || labs(val) > uval) { |
33fdd77e | 782 | errno = ERANGE; |
ebaa1bd4 | 783 | return 0; |
33fdd77e | 784 | } |
ebaa1bd4 NA |
785 | val *= factor; |
786 | *ret = val; | |
0b87b6e0 BD |
787 | return 1; |
788 | } | |
33fdd77e | 789 | errno = EINVAL; |
0b87b6e0 BD |
790 | return 0; |
791 | } | |
792 | ||
0b4dc661 | 793 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
794 | { |
795 | if (value && *value) { | |
796 | char *end; | |
ebaa1bd4 NA |
797 | uintmax_t val; |
798 | uintmax_t oldval; | |
799 | ||
800 | errno = 0; | |
801 | val = strtoumax(value, &end, 0); | |
802 | if (errno == ERANGE) | |
803 | return 0; | |
804 | oldval = val; | |
33fdd77e JK |
805 | if (!parse_unit_factor(end, &val)) { |
806 | errno = EINVAL; | |
c8deb5a1 | 807 | return 0; |
33fdd77e JK |
808 | } |
809 | if (val > max || oldval > val) { | |
810 | errno = ERANGE; | |
ebaa1bd4 | 811 | return 0; |
33fdd77e | 812 | } |
c8deb5a1 | 813 | *ret = val; |
0b87b6e0 | 814 | return 1; |
17712991 | 815 | } |
33fdd77e | 816 | errno = EINVAL; |
0b87b6e0 BD |
817 | return 0; |
818 | } | |
819 | ||
42d194e9 | 820 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 821 | { |
7192777d | 822 | intmax_t tmp; |
42d194e9 | 823 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
824 | return 0; |
825 | *ret = tmp; | |
826 | return 1; | |
827 | } | |
828 | ||
00160242 JK |
829 | static int git_parse_int64(const char *value, int64_t *ret) |
830 | { | |
831 | intmax_t tmp; | |
832 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
833 | return 0; | |
834 | *ret = tmp; | |
835 | return 1; | |
836 | } | |
837 | ||
7192777d JK |
838 | int git_parse_ulong(const char *value, unsigned long *ret) |
839 | { | |
840 | uintmax_t tmp; | |
841 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
842 | return 0; | |
843 | *ret = tmp; | |
844 | return 1; | |
845 | } | |
846 | ||
06bdc23b | 847 | NORETURN |
2f666581 | 848 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 849 | { |
078fe305 JNA |
850 | const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit"); |
851 | ||
2f666581 JK |
852 | if (!value) |
853 | value = ""; | |
854 | ||
1b8132d9 | 855 | if (!(cf && cf->name)) |
078fe305 JNA |
856 | die(_("bad numeric config value '%s' for '%s': %s"), |
857 | value, name, error_type); | |
1b8132d9 VA |
858 | |
859 | switch (cf->origin_type) { | |
860 | case CONFIG_ORIGIN_BLOB: | |
078fe305 JNA |
861 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
862 | value, name, cf->name, error_type); | |
1b8132d9 | 863 | case CONFIG_ORIGIN_FILE: |
078fe305 JNA |
864 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
865 | value, name, cf->name, error_type); | |
1b8132d9 | 866 | case CONFIG_ORIGIN_STDIN: |
078fe305 JNA |
867 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
868 | value, name, error_type); | |
1b8132d9 | 869 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 JNA |
870 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
871 | value, name, cf->name, error_type); | |
1b8132d9 | 872 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 JNA |
873 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
874 | value, name, cf->name, error_type); | |
1b8132d9 | 875 | default: |
078fe305 JNA |
876 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
877 | value, name, cf->name, error_type); | |
1b8132d9 | 878 | } |
c1867cea JK |
879 | } |
880 | ||
0b87b6e0 BD |
881 | int git_config_int(const char *name, const char *value) |
882 | { | |
42d194e9 JK |
883 | int ret; |
884 | if (!git_parse_int(value, &ret)) | |
2f666581 | 885 | die_bad_number(name, value); |
0b87b6e0 BD |
886 | return ret; |
887 | } | |
888 | ||
00160242 JK |
889 | int64_t git_config_int64(const char *name, const char *value) |
890 | { | |
891 | int64_t ret; | |
892 | if (!git_parse_int64(value, &ret)) | |
893 | die_bad_number(name, value); | |
0b87b6e0 BD |
894 | return ret; |
895 | } | |
896 | ||
897 | unsigned long git_config_ulong(const char *name, const char *value) | |
898 | { | |
899 | unsigned long ret; | |
900 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 901 | die_bad_number(name, value); |
0b87b6e0 | 902 | return ret; |
17712991 LT |
903 | } |
904 | ||
9a549d43 | 905 | int git_parse_maybe_bool(const char *value) |
17712991 LT |
906 | { |
907 | if (!value) | |
908 | return 1; | |
909 | if (!*value) | |
910 | return 0; | |
8420ccd8 JH |
911 | if (!strcasecmp(value, "true") |
912 | || !strcasecmp(value, "yes") | |
913 | || !strcasecmp(value, "on")) | |
17712991 | 914 | return 1; |
8420ccd8 JH |
915 | if (!strcasecmp(value, "false") |
916 | || !strcasecmp(value, "no") | |
917 | || !strcasecmp(value, "off")) | |
17712991 | 918 | return 0; |
8420ccd8 JH |
919 | return -1; |
920 | } | |
921 | ||
b2be2f6a JK |
922 | int git_config_maybe_bool(const char *name, const char *value) |
923 | { | |
9a549d43 | 924 | int v = git_parse_maybe_bool(value); |
b2be2f6a JK |
925 | if (0 <= v) |
926 | return v; | |
42d194e9 | 927 | if (git_parse_int(value, &v)) |
db6195ef | 928 | return !!v; |
b2be2f6a JK |
929 | return -1; |
930 | } | |
931 | ||
8420ccd8 JH |
932 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
933 | { | |
9a549d43 | 934 | int v = git_parse_maybe_bool(value); |
8420ccd8 JH |
935 | if (0 <= v) { |
936 | *is_bool = 1; | |
937 | return v; | |
938 | } | |
a53f2ec6 | 939 | *is_bool = 0; |
c35b0b58 | 940 | return git_config_int(name, value); |
17712991 LT |
941 | } |
942 | ||
a53f2ec6 JH |
943 | int git_config_bool(const char *name, const char *value) |
944 | { | |
945 | int discard; | |
c35b0b58 | 946 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
947 | } |
948 | ||
ea5105a5 CC |
949 | int git_config_string(const char **dest, const char *var, const char *value) |
950 | { | |
951 | if (!value) | |
952 | return config_error_nonbool(var); | |
953 | *dest = xstrdup(value); | |
954 | return 0; | |
955 | } | |
956 | ||
395de250 MM |
957 | int git_config_pathname(const char **dest, const char *var, const char *value) |
958 | { | |
959 | if (!value) | |
960 | return config_error_nonbool(var); | |
961 | *dest = expand_user_path(value); | |
962 | if (!*dest) | |
8262aaa2 | 963 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
964 | return 0; |
965 | } | |
966 | ||
806e2ad7 | 967 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
968 | { |
969 | /* This needs a better name */ | |
970 | if (!strcmp(var, "core.filemode")) { | |
971 | trust_executable_bit = git_config_bool(var, value); | |
972 | return 0; | |
973 | } | |
1ce4790b AR |
974 | if (!strcmp(var, "core.trustctime")) { |
975 | trust_ctime = git_config_bool(var, value); | |
976 | return 0; | |
977 | } | |
c1b5d738 | 978 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
979 | if (!strcasecmp(value, "default")) |
980 | check_stat = 1; | |
981 | else if (!strcasecmp(value, "minimal")) | |
982 | check_stat = 0; | |
983 | } | |
17712991 | 984 | |
9378c161 JH |
985 | if (!strcmp(var, "core.quotepath")) { |
986 | quote_path_fully = git_config_bool(var, value); | |
987 | return 0; | |
988 | } | |
989 | ||
78a8d641 JS |
990 | if (!strcmp(var, "core.symlinks")) { |
991 | has_symlinks = git_config_bool(var, value); | |
992 | return 0; | |
993 | } | |
994 | ||
0a9b88b7 LT |
995 | if (!strcmp(var, "core.ignorecase")) { |
996 | ignore_case = git_config_bool(var, value); | |
997 | return 0; | |
998 | } | |
999 | ||
64589a03 JH |
1000 | if (!strcmp(var, "core.attributesfile")) |
1001 | return git_config_pathname(&git_attributes_file, var, value); | |
1002 | ||
867ad08a ÆAB |
1003 | if (!strcmp(var, "core.hookspath")) |
1004 | return git_config_pathname(&git_hooks_path, var, value); | |
1005 | ||
7d1864ce JH |
1006 | if (!strcmp(var, "core.bare")) { |
1007 | is_bare_repository_cfg = git_config_bool(var, value); | |
1008 | return 0; | |
1009 | } | |
1010 | ||
5f73076c JH |
1011 | if (!strcmp(var, "core.ignorestat")) { |
1012 | assume_unchanged = git_config_bool(var, value); | |
1013 | return 0; | |
1014 | } | |
1015 | ||
e388c738 JH |
1016 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
1017 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
1018 | return 0; |
1019 | } | |
1020 | ||
6de08ae6 | 1021 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
1022 | if (value && !strcasecmp(value, "always")) |
1023 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
1024 | else if (git_config_bool(var, value)) | |
1025 | log_all_ref_updates = LOG_REFS_NORMAL; | |
1026 | else | |
1027 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
1028 | return 0; |
1029 | } | |
1030 | ||
2f8acdb3 JH |
1031 | if (!strcmp(var, "core.warnambiguousrefs")) { |
1032 | warn_ambiguous_refs = git_config_bool(var, value); | |
1033 | return 0; | |
1034 | } | |
1035 | ||
a71f09fe | 1036 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
1037 | if (!value) |
1038 | return config_error_nonbool(var); | |
1039 | if (!strcasecmp(value, "auto")) | |
1040 | default_abbrev = -1; | |
1041 | else { | |
1042 | int abbrev = git_config_int(var, value); | |
1043 | if (abbrev < minimum_abbrev || abbrev > 40) | |
1044 | return error("abbrev length out of range: %d", abbrev); | |
1045 | default_abbrev = abbrev; | |
1046 | } | |
dce96489 LT |
1047 | return 0; |
1048 | } | |
1049 | ||
5b33cb1f JK |
1050 | if (!strcmp(var, "core.disambiguate")) |
1051 | return set_disambiguate_hint_config(var, value); | |
1052 | ||
960ccca6 | 1053 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
1054 | int level = git_config_int(var, value); |
1055 | if (level == -1) | |
1056 | level = Z_DEFAULT_COMPRESSION; | |
1057 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1058 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 1059 | zlib_compression_level = level; |
960ccca6 DH |
1060 | zlib_compression_seen = 1; |
1061 | return 0; | |
1062 | } | |
1063 | ||
1064 | if (!strcmp(var, "core.compression")) { | |
1065 | int level = git_config_int(var, value); | |
1066 | if (level == -1) | |
1067 | level = Z_DEFAULT_COMPRESSION; | |
1068 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1069 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
1070 | core_compression_level = level; |
1071 | core_compression_seen = 1; | |
1072 | if (!zlib_compression_seen) | |
1073 | zlib_compression_level = level; | |
8de7eeb5 JH |
1074 | if (!pack_compression_seen) |
1075 | pack_compression_level = level; | |
12f6c308 JBH |
1076 | return 0; |
1077 | } | |
1078 | ||
60bb8b14 | 1079 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 1080 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 1081 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
1082 | |
1083 | /* This value must be multiple of (pagesize * 2) */ | |
1084 | packed_git_window_size /= pgsz_x2; | |
1085 | if (packed_git_window_size < 1) | |
1086 | packed_git_window_size = 1; | |
1087 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
1088 | return 0; |
1089 | } | |
1090 | ||
15366280 | 1091 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 1092 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
1093 | return 0; |
1094 | } | |
1095 | ||
77ccc5bb | 1096 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 1097 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
1098 | return 0; |
1099 | } | |
1100 | ||
18bdec11 | 1101 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 1102 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
1103 | return 0; |
1104 | } | |
1105 | ||
6c510bee | 1106 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 1107 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 1108 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
1109 | return 0; |
1110 | } | |
6c510bee LT |
1111 | auto_crlf = git_config_bool(var, value); |
1112 | return 0; | |
1113 | } | |
1114 | ||
21e5ad50 SP |
1115 | if (!strcmp(var, "core.safecrlf")) { |
1116 | if (value && !strcasecmp(value, "warn")) { | |
1117 | safe_crlf = SAFE_CRLF_WARN; | |
1118 | return 0; | |
1119 | } | |
1120 | safe_crlf = git_config_bool(var, value); | |
1121 | return 0; | |
1122 | } | |
1123 | ||
942e7747 EB |
1124 | if (!strcmp(var, "core.eol")) { |
1125 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 1126 | core_eol = EOL_LF; |
942e7747 | 1127 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 1128 | core_eol = EOL_CRLF; |
942e7747 | 1129 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 1130 | core_eol = EOL_NATIVE; |
942e7747 | 1131 | else |
ec70f52f | 1132 | core_eol = EOL_UNSET; |
942e7747 EB |
1133 | return 0; |
1134 | } | |
1135 | ||
a97a7468 JS |
1136 | if (!strcmp(var, "core.notesref")) { |
1137 | notes_ref_name = xstrdup(value); | |
1138 | return 0; | |
1139 | } | |
1140 | ||
806e2ad7 LT |
1141 | if (!strcmp(var, "core.editor")) |
1142 | return git_config_string(&editor_program, var, value); | |
1143 | ||
eff80a9f | 1144 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
1145 | if (!value) |
1146 | return config_error_nonbool(var); | |
ad524f83 | 1147 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 1148 | auto_comment_line_char = 1; |
ad524f83 | 1149 | else if (value[0] && !value[1]) { |
649409b7 | 1150 | comment_line_char = value[0]; |
84c9dc2c | 1151 | auto_comment_line_char = 0; |
50b54fd7 NTND |
1152 | } else |
1153 | return error("core.commentChar should only be one character"); | |
1154 | return 0; | |
eff80a9f JH |
1155 | } |
1156 | ||
d3e7da89 AK |
1157 | if (!strcmp(var, "core.askpass")) |
1158 | return git_config_string(&askpass_program, var, value); | |
1159 | ||
806e2ad7 | 1160 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 1161 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
1162 | |
1163 | if (!strcmp(var, "core.whitespace")) { | |
1164 | if (!value) | |
1165 | return config_error_nonbool(var); | |
1166 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
1167 | return 0; | |
1168 | } | |
1169 | ||
aafe9fba LT |
1170 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
1171 | fsync_object_files = git_config_bool(var, value); | |
1172 | return 0; | |
1173 | } | |
1174 | ||
671c9b7e LT |
1175 | if (!strcmp(var, "core.preloadindex")) { |
1176 | core_preload_index = git_config_bool(var, value); | |
1177 | return 0; | |
1178 | } | |
1179 | ||
348df166 JS |
1180 | if (!strcmp(var, "core.createobject")) { |
1181 | if (!strcmp(value, "rename")) | |
1182 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
1183 | else if (!strcmp(value, "link")) | |
1184 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
1185 | else | |
8262aaa2 | 1186 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
1187 | return 0; |
1188 | } | |
1189 | ||
08aefc9e NTND |
1190 | if (!strcmp(var, "core.sparsecheckout")) { |
1191 | core_apply_sparse_checkout = git_config_bool(var, value); | |
1192 | return 0; | |
1193 | } | |
1194 | ||
76759c7d TB |
1195 | if (!strcmp(var, "core.precomposeunicode")) { |
1196 | precomposed_unicode = git_config_bool(var, value); | |
1197 | return 0; | |
1198 | } | |
1199 | ||
a42643aa JK |
1200 | if (!strcmp(var, "core.protecthfs")) { |
1201 | protect_hfs = git_config_bool(var, value); | |
1202 | return 0; | |
1203 | } | |
1204 | ||
2b4c6efc JS |
1205 | if (!strcmp(var, "core.protectntfs")) { |
1206 | protect_ntfs = git_config_bool(var, value); | |
1207 | return 0; | |
76759c7d TB |
1208 | } |
1209 | ||
f30afdab JS |
1210 | if (!strcmp(var, "core.hidedotfiles")) { |
1211 | if (value && !strcasecmp(value, "dotgitonly")) | |
1212 | hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; | |
1213 | else | |
1214 | hide_dotfiles = git_config_bool(var, value); | |
1215 | return 0; | |
1216 | } | |
1217 | ||
806e2ad7 LT |
1218 | /* Add other config variables here and to Documentation/config.txt. */ |
1219 | return 0; | |
1220 | } | |
1221 | ||
1141f492 | 1222 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1223 | { |
ea5105a5 CC |
1224 | if (!strcmp(var, "i18n.commitencoding")) |
1225 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1226 | |
ea5105a5 CC |
1227 | if (!strcmp(var, "i18n.logoutputencoding")) |
1228 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1229 | |
1141f492 LT |
1230 | /* Add other config variables here and to Documentation/config.txt. */ |
1231 | return 0; | |
1232 | } | |
039bc64e | 1233 | |
1141f492 LT |
1234 | static int git_default_branch_config(const char *var, const char *value) |
1235 | { | |
9ed36cfa JS |
1236 | if (!strcmp(var, "branch.autosetupmerge")) { |
1237 | if (value && !strcasecmp(value, "always")) { | |
1238 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
1239 | return 0; | |
1240 | } | |
1241 | git_branch_track = git_config_bool(var, value); | |
1242 | return 0; | |
1243 | } | |
c998ae9b DS |
1244 | if (!strcmp(var, "branch.autosetuprebase")) { |
1245 | if (!value) | |
1246 | return config_error_nonbool(var); | |
1247 | else if (!strcmp(value, "never")) | |
1248 | autorebase = AUTOREBASE_NEVER; | |
1249 | else if (!strcmp(value, "local")) | |
1250 | autorebase = AUTOREBASE_LOCAL; | |
1251 | else if (!strcmp(value, "remote")) | |
1252 | autorebase = AUTOREBASE_REMOTE; | |
1253 | else if (!strcmp(value, "always")) | |
1254 | autorebase = AUTOREBASE_ALWAYS; | |
1255 | else | |
8c3ca351 | 1256 | return error("malformed value for %s", var); |
c998ae9b DS |
1257 | return 0; |
1258 | } | |
a9cc857a | 1259 | |
1ab661dd | 1260 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1261 | return 0; |
1262 | } | |
1263 | ||
52153747 FAG |
1264 | static int git_default_push_config(const char *var, const char *value) |
1265 | { | |
1266 | if (!strcmp(var, "push.default")) { | |
1267 | if (!value) | |
1268 | return config_error_nonbool(var); | |
1269 | else if (!strcmp(value, "nothing")) | |
1270 | push_default = PUSH_DEFAULT_NOTHING; | |
1271 | else if (!strcmp(value, "matching")) | |
1272 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1273 | else if (!strcmp(value, "simple")) |
1274 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1275 | else if (!strcmp(value, "upstream")) |
1276 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1277 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1278 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1279 | else if (!strcmp(value, "current")) |
1280 | push_default = PUSH_DEFAULT_CURRENT; | |
1281 | else { | |
8c3ca351 | 1282 | error("malformed value for %s: %s", var, value); |
b55e6775 MM |
1283 | return error("Must be one of nothing, matching, simple, " |
1284 | "upstream or current."); | |
52153747 FAG |
1285 | } |
1286 | return 0; | |
1287 | } | |
1288 | ||
1289 | /* Add other config variables here and to Documentation/config.txt. */ | |
1290 | return 0; | |
1291 | } | |
1292 | ||
d551a488 MSO |
1293 | static int git_default_mailmap_config(const char *var, const char *value) |
1294 | { | |
1295 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1296 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1297 | if (!strcmp(var, "mailmap.blob")) |
1298 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1299 | |
1300 | /* Add other config variables here and to Documentation/config.txt. */ | |
1301 | return 0; | |
1302 | } | |
1303 | ||
1141f492 LT |
1304 | int git_default_config(const char *var, const char *value, void *dummy) |
1305 | { | |
59556548 | 1306 | if (starts_with(var, "core.")) |
1141f492 LT |
1307 | return git_default_core_config(var, value); |
1308 | ||
59556548 | 1309 | if (starts_with(var, "user.")) |
9597921b | 1310 | return git_ident_config(var, value, dummy); |
1141f492 | 1311 | |
59556548 | 1312 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1313 | return git_default_i18n_config(var, value); |
1314 | ||
59556548 | 1315 | if (starts_with(var, "branch.")) |
1141f492 LT |
1316 | return git_default_branch_config(var, value); |
1317 | ||
59556548 | 1318 | if (starts_with(var, "push.")) |
52153747 FAG |
1319 | return git_default_push_config(var, value); |
1320 | ||
59556548 | 1321 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1322 | return git_default_mailmap_config(var, value); |
1323 | ||
59556548 | 1324 | if (starts_with(var, "advice.")) |
75194438 JK |
1325 | return git_default_advice_config(var, value); |
1326 | ||
1141f492 LT |
1327 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1328 | pager_use_color = git_config_bool(var,value); | |
1329 | return 0; | |
1330 | } | |
1331 | ||
568508e7 JH |
1332 | if (!strcmp(var, "pack.packsizelimit")) { |
1333 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1334 | return 0; | |
1335 | } | |
8de7eeb5 JH |
1336 | |
1337 | if (!strcmp(var, "pack.compression")) { | |
1338 | int level = git_config_int(var, value); | |
1339 | if (level == -1) | |
1340 | level = Z_DEFAULT_COMPRESSION; | |
1341 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1342 | die(_("bad pack compression level %d"), level); | |
1343 | pack_compression_level = level; | |
1344 | pack_compression_seen = 1; | |
1345 | return 0; | |
1346 | } | |
1347 | ||
1141f492 LT |
1348 | /* Add other config variables here and to Documentation/config.txt. */ |
1349 | return 0; | |
1350 | } | |
1351 | ||
ca4b5de2 | 1352 | /* |
b2dc0945 | 1353 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1354 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1355 | * this function. |
1356 | */ | |
4d8dd149 | 1357 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1358 | { |
1359 | int ret; | |
1360 | ||
1361 | /* push config-file parsing state stack */ | |
1362 | top->prev = cf; | |
1363 | top->linenr = 1; | |
1364 | top->eof = 0; | |
1365 | strbuf_init(&top->value, 1024); | |
1366 | strbuf_init(&top->var, 1024); | |
1367 | cf = top; | |
1368 | ||
4d8dd149 | 1369 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1370 | |
1371 | /* pop config-file parsing state stack */ | |
1372 | strbuf_release(&top->value); | |
1373 | strbuf_release(&top->var); | |
1374 | cf = top->prev; | |
1375 | ||
1376 | return ret; | |
1377 | } | |
1378 | ||
3caec73b | 1379 | static int do_config_from_file(config_fn_t fn, |
1b8132d9 VA |
1380 | const enum config_origin_type origin_type, |
1381 | const char *name, const char *path, FILE *f, | |
473166b9 | 1382 | void *data) |
17712991 | 1383 | { |
3caec73b | 1384 | struct config_source top; |
17712991 | 1385 | |
3caec73b | 1386 | top.u.file = f; |
473166b9 | 1387 | top.origin_type = origin_type; |
3caec73b KS |
1388 | top.name = name; |
1389 | top.path = path; | |
1390 | top.die_on_error = 1; | |
1391 | top.do_fgetc = config_file_fgetc; | |
1392 | top.do_ungetc = config_file_ungetc; | |
1393 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1394 | |
3caec73b KS |
1395 | return do_config_from(&top, fn, data); |
1396 | } | |
924aaf3e | 1397 | |
3caec73b KS |
1398 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1399 | { | |
1b8132d9 | 1400 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, data); |
3caec73b KS |
1401 | } |
1402 | ||
1403 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) | |
1404 | { | |
1405 | int ret = -1; | |
1406 | FILE *f; | |
924aaf3e | 1407 | |
3caec73b KS |
1408 | f = fopen(filename, "r"); |
1409 | if (f) { | |
260d408e | 1410 | flockfile(f); |
1b8132d9 | 1411 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data); |
260d408e | 1412 | funlockfile(f); |
17712991 LT |
1413 | fclose(f); |
1414 | } | |
1415 | return ret; | |
1416 | } | |
10bea152 | 1417 | |
1b8132d9 | 1418 | int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_type, |
473166b9 | 1419 | const char *name, const char *buf, size_t len, void *data) |
1bc88819 HV |
1420 | { |
1421 | struct config_source top; | |
1422 | ||
1423 | top.u.buf.buf = buf; | |
1424 | top.u.buf.len = len; | |
1425 | top.u.buf.pos = 0; | |
473166b9 | 1426 | top.origin_type = origin_type; |
1bc88819 | 1427 | top.name = name; |
d14d4244 | 1428 | top.path = NULL; |
b2dc0945 | 1429 | top.die_on_error = 0; |
49d6cfa5 JK |
1430 | top.do_fgetc = config_buf_fgetc; |
1431 | top.do_ungetc = config_buf_ungetc; | |
1432 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1433 | |
1434 | return do_config_from(&top, fn, data); | |
1435 | } | |
1436 | ||
9ebf689a BW |
1437 | int git_config_from_blob_sha1(config_fn_t fn, |
1438 | const char *name, | |
1439 | const unsigned char *sha1, | |
1440 | void *data) | |
1bc88819 HV |
1441 | { |
1442 | enum object_type type; | |
1443 | char *buf; | |
1444 | unsigned long size; | |
1445 | int ret; | |
1446 | ||
1447 | buf = read_sha1_file(sha1, &type, &size); | |
1448 | if (!buf) | |
1449 | return error("unable to load config blob object '%s'", name); | |
1450 | if (type != OBJ_BLOB) { | |
1451 | free(buf); | |
1452 | return error("reference '%s' does not point to a blob", name); | |
1453 | } | |
1454 | ||
1b8132d9 | 1455 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data); |
1bc88819 HV |
1456 | free(buf); |
1457 | ||
1458 | return ret; | |
1459 | } | |
1460 | ||
1461 | static int git_config_from_blob_ref(config_fn_t fn, | |
1462 | const char *name, | |
1463 | void *data) | |
1464 | { | |
1465 | unsigned char sha1[20]; | |
1466 | ||
1467 | if (get_sha1(name, sha1) < 0) | |
1468 | return error("unable to resolve config blob '%s'", name); | |
1469 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1470 | } | |
1471 | ||
506b17b1 JS |
1472 | const char *git_etc_gitconfig(void) |
1473 | { | |
7f0e39fa | 1474 | static const char *system_wide; |
2de9de5e SP |
1475 | if (!system_wide) |
1476 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1477 | return system_wide; |
506b17b1 JS |
1478 | } |
1479 | ||
23b0c478 SP |
1480 | /* |
1481 | * Parse environment variable 'k' as a boolean (in various | |
1482 | * possible spellings); if missing, use the default value 'def'. | |
1483 | */ | |
0ef37164 | 1484 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1485 | { |
1486 | const char *v = getenv(k); | |
1487 | return v ? git_config_bool(k, v) : def; | |
1488 | } | |
1489 | ||
23b0c478 SP |
1490 | /* |
1491 | * Parse environment variable 'k' as ulong with possibly a unit | |
1492 | * suffix; if missing, use the default value 'val'. | |
1493 | */ | |
1494 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1495 | { | |
1496 | const char *v = getenv(k); | |
1497 | if (v && !git_parse_ulong(v, &val)) | |
1498 | die("failed to parse %s", k); | |
1499 | return val; | |
1500 | } | |
1501 | ||
ab88c363 JK |
1502 | int git_config_system(void) |
1503 | { | |
1504 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1505 | } | |
1506 | ||
80181868 | 1507 | static int do_git_config_sequence(config_fn_t fn, void *data) |
4f629539 | 1508 | { |
c72ee44b | 1509 | int ret = 0; |
509adc33 PT |
1510 | char *xdg_config = xdg_config_home("config"); |
1511 | char *user_config = expand_user_path("~/.gitconfig"); | |
b9605bc4 | 1512 | char *repo_config = have_git_dir() ? git_pathdup("config") : NULL; |
5f1a63e0 | 1513 | |
9acc5911 | 1514 | current_parsing_scope = CONFIG_SCOPE_SYSTEM; |
c72ee44b | 1515 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) |
dc871831 DB |
1516 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1517 | data); | |
5f1a63e0 | 1518 | |
9acc5911 | 1519 | current_parsing_scope = CONFIG_SCOPE_GLOBAL; |
c72ee44b | 1520 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1521 | ret += git_config_from_file(fn, xdg_config, data); |
21cf3227 | 1522 | |
c72ee44b | 1523 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1524 | ret += git_config_from_file(fn, user_config, data); |
5f1a63e0 | 1525 | |
9acc5911 | 1526 | current_parsing_scope = CONFIG_SCOPE_REPO; |
c72ee44b | 1527 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) |
aa387407 | 1528 | ret += git_config_from_file(fn, repo_config, data); |
8b1fa778 | 1529 | |
9acc5911 | 1530 | current_parsing_scope = CONFIG_SCOPE_CMDLINE; |
c72ee44b | 1531 | if (git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 1532 | die(_("unable to parse command-line config")); |
8b1fa778 | 1533 | |
9acc5911 | 1534 | current_parsing_scope = CONFIG_SCOPE_UNKNOWN; |
21cf3227 HKNN |
1535 | free(xdg_config); |
1536 | free(user_config); | |
80181868 | 1537 | free(repo_config); |
c72ee44b | 1538 | return ret; |
4f629539 JH |
1539 | } |
1540 | ||
c9b5e2a5 | 1541 | int git_config_with_options(config_fn_t fn, void *data, |
c8985ce0 | 1542 | struct git_config_source *config_source, |
c48f4b37 | 1543 | const struct config_options *opts) |
dbdf5854 | 1544 | { |
9b25a0b5 JK |
1545 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1546 | ||
c48f4b37 | 1547 | if (opts->respect_includes) { |
9b25a0b5 JK |
1548 | inc.fn = fn; |
1549 | inc.data = data; | |
c48f4b37 | 1550 | inc.opts = opts; |
9b25a0b5 JK |
1551 | fn = git_config_include; |
1552 | data = &inc; | |
1553 | } | |
dbdf5854 | 1554 | |
c9b5e2a5 JK |
1555 | /* |
1556 | * If we have a specific filename, use it. Otherwise, follow the | |
1557 | * regular lookup sequence. | |
1558 | */ | |
3caec73b KS |
1559 | if (config_source && config_source->use_stdin) |
1560 | return git_config_from_stdin(fn, data); | |
1561 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1562 | return git_config_from_file(fn, config_source->file, data); |
1563 | else if (config_source && config_source->blob) | |
1564 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1565 | |
80181868 | 1566 | return do_git_config_sequence(fn, data); |
dbdf5854 NTND |
1567 | } |
1568 | ||
155ef25f | 1569 | static void git_config_raw(config_fn_t fn, void *data) |
c9b5e2a5 | 1570 | { |
c48f4b37 NTND |
1571 | struct config_options opts = {0}; |
1572 | ||
1573 | opts.respect_includes = 1; | |
1574 | if (git_config_with_options(fn, data, NULL, &opts) < 0) | |
aace4385 TA |
1575 | /* |
1576 | * git_config_with_options() normally returns only | |
c72ee44b | 1577 | * zero, as most errors are fatal, and |
aace4385 TA |
1578 | * non-fatal potential errors are guarded by "if" |
1579 | * statements that are entered only when no error is | |
1580 | * possible. | |
1581 | * | |
1582 | * If we ever encounter a non-fatal error, it means | |
1583 | * something went really wrong and we should stop | |
1584 | * immediately. | |
1585 | */ | |
3a39f61e | 1586 | die(_("unknown error occurred while reading the configuration files")); |
c9b5e2a5 JK |
1587 | } |
1588 | ||
155ef25f | 1589 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1590 | { |
155ef25f TA |
1591 | int i, value_index; |
1592 | struct string_list *values; | |
1593 | struct config_set_element *entry; | |
1594 | struct configset_list *list = &cs->list; | |
155ef25f TA |
1595 | |
1596 | for (i = 0; i < list->nr; i++) { | |
1597 | entry = list->items[i].e; | |
1598 | value_index = list->items[i].value_index; | |
1599 | values = &entry->value_list; | |
0d44a2da JK |
1600 | |
1601 | current_config_kvi = values->items[value_index].util; | |
1602 | ||
1603 | if (fn(entry->key, values->items[value_index].string, data) < 0) | |
1604 | git_die_config_linenr(entry->key, | |
1605 | current_config_kvi->filename, | |
1606 | current_config_kvi->linenr); | |
1607 | ||
1608 | current_config_kvi = NULL; | |
155ef25f TA |
1609 | } |
1610 | } | |
1611 | ||
0654aa57 JS |
1612 | void read_early_config(config_fn_t cb, void *data) |
1613 | { | |
c48f4b37 | 1614 | struct config_options opts = {0}; |
1a27409a | 1615 | struct strbuf buf = STRBUF_INIT; |
2185fde5 | 1616 | char *to_free = NULL; |
1a27409a | 1617 | |
c48f4b37 | 1618 | opts.respect_includes = 1; |
0654aa57 | 1619 | |
2185fde5 NTND |
1620 | if (have_git_dir()) |
1621 | opts.git_dir = get_git_dir(); | |
0654aa57 | 1622 | /* |
1a27409a JS |
1623 | * When setup_git_directory() was not yet asked to discover the |
1624 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
1625 | * is any repository config we should use (but unlike | |
1626 | * setup_git_directory_gently(), no global state is changed, most | |
1627 | * notably, the current working directory is still the same after the | |
1628 | * call). | |
0654aa57 | 1629 | */ |
2185fde5 NTND |
1630 | else if (discover_git_directory(&buf)) |
1631 | opts.git_dir = to_free = xstrdup(buf.buf); | |
1632 | ||
1633 | git_config_with_options(cb, data, NULL, &opts); | |
1634 | ||
1635 | if (!have_git_dir() && opts.git_dir) { | |
0654aa57 JS |
1636 | struct git_config_source repo_config; |
1637 | ||
1638 | memset(&repo_config, 0, sizeof(repo_config)); | |
1a27409a JS |
1639 | strbuf_addstr(&buf, "/config"); |
1640 | repo_config.file = buf.buf; | |
c48f4b37 | 1641 | git_config_with_options(cb, data, &repo_config, &opts); |
0654aa57 | 1642 | } |
1a27409a | 1643 | strbuf_release(&buf); |
2185fde5 | 1644 | free(to_free); |
0654aa57 JS |
1645 | } |
1646 | ||
155ef25f TA |
1647 | static void git_config_check_init(void); |
1648 | ||
1649 | void git_config(config_fn_t fn, void *data) | |
1650 | { | |
1651 | git_config_check_init(); | |
1652 | configset_iter(&the_config_set, fn, data); | |
c9b5e2a5 JK |
1653 | } |
1654 | ||
3c8687a7 TA |
1655 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
1656 | { | |
1657 | struct config_set_element k; | |
1658 | struct config_set_element *found_entry; | |
1659 | char *normalized_key; | |
3c8687a7 TA |
1660 | /* |
1661 | * `key` may come from the user, so normalize it before using it | |
1662 | * for querying entries from the hashmap. | |
1663 | */ | |
270cd9ea | 1664 | if (git_config_parse_key(key, &normalized_key, NULL)) |
3c8687a7 TA |
1665 | return NULL; |
1666 | ||
1667 | hashmap_entry_init(&k, strhash(normalized_key)); | |
1668 | k.key = normalized_key; | |
1669 | found_entry = hashmap_get(&cs->config_hash, &k, NULL); | |
1670 | free(normalized_key); | |
1671 | return found_entry; | |
1672 | } | |
1673 | ||
1674 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
1675 | { | |
1676 | struct config_set_element *e; | |
3df8fd62 | 1677 | struct string_list_item *si; |
155ef25f | 1678 | struct configset_list_item *l_item; |
3df8fd62 TA |
1679 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
1680 | ||
3c8687a7 TA |
1681 | e = configset_find_element(cs, key); |
1682 | /* | |
1683 | * Since the keys are being fed by git_config*() callback mechanism, they | |
1684 | * are already normalized. So simply add them without any further munging. | |
1685 | */ | |
1686 | if (!e) { | |
1687 | e = xmalloc(sizeof(*e)); | |
1688 | hashmap_entry_init(e, strhash(key)); | |
1689 | e->key = xstrdup(key); | |
1690 | string_list_init(&e->value_list, 1); | |
1691 | hashmap_add(&cs->config_hash, e); | |
1692 | } | |
8c53f071 | 1693 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
1694 | |
1695 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
1696 | l_item = &cs->list.items[cs->list.nr++]; | |
1697 | l_item->e = e; | |
1698 | l_item->value_index = e->value_list.nr - 1; | |
1699 | ||
3258258f JK |
1700 | if (!cf) |
1701 | die("BUG: configset_add_value has no source"); | |
1702 | if (cf->name) { | |
3df8fd62 TA |
1703 | kv_info->filename = strintern(cf->name); |
1704 | kv_info->linenr = cf->linenr; | |
1b8132d9 | 1705 | kv_info->origin_type = cf->origin_type; |
3df8fd62 TA |
1706 | } else { |
1707 | /* for values read from `git_config_from_parameters()` */ | |
1708 | kv_info->filename = NULL; | |
1709 | kv_info->linenr = -1; | |
1b8132d9 | 1710 | kv_info->origin_type = CONFIG_ORIGIN_CMDLINE; |
3df8fd62 | 1711 | } |
9acc5911 | 1712 | kv_info->scope = current_parsing_scope; |
3df8fd62 | 1713 | si->util = kv_info; |
3c8687a7 TA |
1714 | |
1715 | return 0; | |
1716 | } | |
1717 | ||
1718 | static int config_set_element_cmp(const struct config_set_element *e1, | |
1719 | const struct config_set_element *e2, const void *unused) | |
1720 | { | |
1721 | return strcmp(e1->key, e2->key); | |
1722 | } | |
1723 | ||
1724 | void git_configset_init(struct config_set *cs) | |
1725 | { | |
1726 | hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 0); | |
1727 | cs->hash_initialized = 1; | |
155ef25f TA |
1728 | cs->list.nr = 0; |
1729 | cs->list.alloc = 0; | |
1730 | cs->list.items = NULL; | |
3c8687a7 TA |
1731 | } |
1732 | ||
1733 | void git_configset_clear(struct config_set *cs) | |
1734 | { | |
1735 | struct config_set_element *entry; | |
1736 | struct hashmap_iter iter; | |
1737 | if (!cs->hash_initialized) | |
1738 | return; | |
1739 | ||
1740 | hashmap_iter_init(&cs->config_hash, &iter); | |
1741 | while ((entry = hashmap_iter_next(&iter))) { | |
1742 | free(entry->key); | |
3df8fd62 | 1743 | string_list_clear(&entry->value_list, 1); |
3c8687a7 TA |
1744 | } |
1745 | hashmap_free(&cs->config_hash, 1); | |
1746 | cs->hash_initialized = 0; | |
155ef25f TA |
1747 | free(cs->list.items); |
1748 | cs->list.nr = 0; | |
1749 | cs->list.alloc = 0; | |
1750 | cs->list.items = NULL; | |
3c8687a7 TA |
1751 | } |
1752 | ||
1753 | static int config_set_callback(const char *key, const char *value, void *cb) | |
1754 | { | |
1755 | struct config_set *cs = cb; | |
1756 | configset_add_value(cs, key, value); | |
1757 | return 0; | |
1758 | } | |
1759 | ||
1760 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
1761 | { | |
1762 | return git_config_from_file(config_set_callback, filename, cs); | |
1763 | } | |
1764 | ||
1765 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
1766 | { | |
1767 | const struct string_list *values = NULL; | |
1768 | /* | |
1769 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
1770 | * queried key in the files of the configset, the value returned will be the last | |
1771 | * value in the value list for that key. | |
1772 | */ | |
1773 | values = git_configset_get_value_multi(cs, key); | |
1774 | ||
1775 | if (!values) | |
1776 | return 1; | |
1777 | assert(values->nr > 0); | |
1778 | *value = values->items[values->nr - 1].string; | |
1779 | return 0; | |
1780 | } | |
1781 | ||
1782 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
1783 | { | |
1784 | struct config_set_element *e = configset_find_element(cs, key); | |
1785 | return e ? &e->value_list : NULL; | |
1786 | } | |
1787 | ||
1788 | int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest) | |
1789 | { | |
1790 | const char *value; | |
1791 | if (!git_configset_get_value(cs, key, &value)) | |
1792 | return git_config_string(dest, key, value); | |
1793 | else | |
1794 | return 1; | |
1795 | } | |
1796 | ||
1797 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) | |
1798 | { | |
1799 | return git_configset_get_string_const(cs, key, (const char **)dest); | |
1800 | } | |
1801 | ||
1802 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
1803 | { | |
1804 | const char *value; | |
1805 | if (!git_configset_get_value(cs, key, &value)) { | |
1806 | *dest = git_config_int(key, value); | |
1807 | return 0; | |
1808 | } else | |
1809 | return 1; | |
1810 | } | |
1811 | ||
1812 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
1813 | { | |
1814 | const char *value; | |
1815 | if (!git_configset_get_value(cs, key, &value)) { | |
1816 | *dest = git_config_ulong(key, value); | |
1817 | return 0; | |
1818 | } else | |
1819 | return 1; | |
1820 | } | |
1821 | ||
1822 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
1823 | { | |
1824 | const char *value; | |
1825 | if (!git_configset_get_value(cs, key, &value)) { | |
1826 | *dest = git_config_bool(key, value); | |
1827 | return 0; | |
1828 | } else | |
1829 | return 1; | |
1830 | } | |
1831 | ||
1832 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
1833 | int *is_bool, int *dest) | |
1834 | { | |
1835 | const char *value; | |
1836 | if (!git_configset_get_value(cs, key, &value)) { | |
1837 | *dest = git_config_bool_or_int(key, value, is_bool); | |
1838 | return 0; | |
1839 | } else | |
1840 | return 1; | |
1841 | } | |
1842 | ||
1843 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
1844 | { | |
1845 | const char *value; | |
1846 | if (!git_configset_get_value(cs, key, &value)) { | |
1847 | *dest = git_config_maybe_bool(key, value); | |
1848 | if (*dest == -1) | |
1849 | return -1; | |
1850 | return 0; | |
1851 | } else | |
1852 | return 1; | |
1853 | } | |
1854 | ||
1855 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
1856 | { | |
1857 | const char *value; | |
1858 | if (!git_configset_get_value(cs, key, &value)) | |
1859 | return git_config_pathname(dest, key, value); | |
1860 | else | |
1861 | return 1; | |
1862 | } | |
1863 | ||
1864 | static void git_config_check_init(void) | |
1865 | { | |
1866 | if (the_config_set.hash_initialized) | |
1867 | return; | |
1868 | git_configset_init(&the_config_set); | |
155ef25f | 1869 | git_config_raw(config_set_callback, &the_config_set); |
3c8687a7 TA |
1870 | } |
1871 | ||
1872 | void git_config_clear(void) | |
1873 | { | |
1874 | if (!the_config_set.hash_initialized) | |
1875 | return; | |
1876 | git_configset_clear(&the_config_set); | |
1877 | } | |
1878 | ||
1879 | int git_config_get_value(const char *key, const char **value) | |
1880 | { | |
1881 | git_config_check_init(); | |
1882 | return git_configset_get_value(&the_config_set, key, value); | |
1883 | } | |
1884 | ||
1885 | const struct string_list *git_config_get_value_multi(const char *key) | |
1886 | { | |
1887 | git_config_check_init(); | |
1888 | return git_configset_get_value_multi(&the_config_set, key); | |
1889 | } | |
1890 | ||
1891 | int git_config_get_string_const(const char *key, const char **dest) | |
1892 | { | |
5a80e97c | 1893 | int ret; |
3c8687a7 | 1894 | git_config_check_init(); |
5a80e97c TA |
1895 | ret = git_configset_get_string_const(&the_config_set, key, dest); |
1896 | if (ret < 0) | |
1897 | git_die_config(key, NULL); | |
1898 | return ret; | |
3c8687a7 TA |
1899 | } |
1900 | ||
1901 | int git_config_get_string(const char *key, char **dest) | |
1902 | { | |
1903 | git_config_check_init(); | |
1904 | return git_config_get_string_const(key, (const char **)dest); | |
1905 | } | |
1906 | ||
1907 | int git_config_get_int(const char *key, int *dest) | |
1908 | { | |
1909 | git_config_check_init(); | |
1910 | return git_configset_get_int(&the_config_set, key, dest); | |
1911 | } | |
1912 | ||
1913 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
1914 | { | |
1915 | git_config_check_init(); | |
1916 | return git_configset_get_ulong(&the_config_set, key, dest); | |
1917 | } | |
1918 | ||
1919 | int git_config_get_bool(const char *key, int *dest) | |
1920 | { | |
1921 | git_config_check_init(); | |
1922 | return git_configset_get_bool(&the_config_set, key, dest); | |
1923 | } | |
1924 | ||
1925 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
1926 | { | |
1927 | git_config_check_init(); | |
1928 | return git_configset_get_bool_or_int(&the_config_set, key, is_bool, dest); | |
1929 | } | |
1930 | ||
1931 | int git_config_get_maybe_bool(const char *key, int *dest) | |
1932 | { | |
1933 | git_config_check_init(); | |
1934 | return git_configset_get_maybe_bool(&the_config_set, key, dest); | |
1935 | } | |
1936 | ||
1937 | int git_config_get_pathname(const char *key, const char **dest) | |
1938 | { | |
5a80e97c | 1939 | int ret; |
3c8687a7 | 1940 | git_config_check_init(); |
5a80e97c TA |
1941 | ret = git_configset_get_pathname(&the_config_set, key, dest); |
1942 | if (ret < 0) | |
1943 | git_die_config(key, NULL); | |
1944 | return ret; | |
1945 | } | |
1946 | ||
77d67977 CC |
1947 | int git_config_get_expiry(const char *key, const char **output) |
1948 | { | |
1949 | int ret = git_config_get_string_const(key, output); | |
1950 | if (ret) | |
1951 | return ret; | |
1952 | if (strcmp(*output, "now")) { | |
1953 | unsigned long now = approxidate("now"); | |
1954 | if (approxidate(*output) >= now) | |
1955 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
1956 | } | |
1957 | return ret; | |
1958 | } | |
1959 | ||
435ec090 CC |
1960 | int git_config_get_untracked_cache(void) |
1961 | { | |
1962 | int val = -1; | |
1963 | const char *v; | |
1964 | ||
dae6c322 CC |
1965 | /* Hack for test programs like test-dump-untracked-cache */ |
1966 | if (ignore_untracked_cache_config) | |
1967 | return -1; | |
1968 | ||
435ec090 CC |
1969 | if (!git_config_get_maybe_bool("core.untrackedcache", &val)) |
1970 | return val; | |
1971 | ||
1972 | if (!git_config_get_value("core.untrackedcache", &v)) { | |
1973 | if (!strcasecmp(v, "keep")) | |
1974 | return -1; | |
1975 | ||
f60ef2d6 CC |
1976 | error(_("unknown core.untrackedCache value '%s'; " |
1977 | "using 'keep' default value"), v); | |
435ec090 CC |
1978 | return -1; |
1979 | } | |
1980 | ||
1981 | return -1; /* default value */ | |
1982 | } | |
1983 | ||
1f44b09b CC |
1984 | int git_config_get_split_index(void) |
1985 | { | |
1986 | int val; | |
1987 | ||
1988 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
1989 | return val; | |
1990 | ||
1991 | return -1; /* default value */ | |
1992 | } | |
1993 | ||
72dcb7b3 CC |
1994 | int git_config_get_max_percent_split_change(void) |
1995 | { | |
1996 | int val = -1; | |
1997 | ||
1998 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
1999 | if (0 <= val && val <= 100) | |
2000 | return val; | |
2001 | ||
2002 | return error(_("splitIndex.maxPercentChange value '%d' " | |
2003 | "should be between 0 and 100"), val); | |
2004 | } | |
2005 | ||
2006 | return -1; /* default value */ | |
2007 | } | |
2008 | ||
5a80e97c TA |
2009 | NORETURN |
2010 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
2011 | { | |
2012 | if (!filename) | |
2013 | die(_("unable to parse '%s' from command-line config"), key); | |
2014 | else | |
2015 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
2016 | key, filename, linenr); | |
2017 | } | |
2018 | ||
2019 | NORETURN __attribute__((format(printf, 2, 3))) | |
2020 | void git_die_config(const char *key, const char *err, ...) | |
2021 | { | |
2022 | const struct string_list *values; | |
2023 | struct key_value_info *kv_info; | |
2024 | ||
2025 | if (err) { | |
2026 | va_list params; | |
2027 | va_start(params, err); | |
2028 | vreportf("error: ", err, params); | |
2029 | va_end(params); | |
2030 | } | |
2031 | values = git_config_get_value_multi(key); | |
2032 | kv_info = values->items[values->nr - 1].util; | |
2033 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
2034 | } |
2035 | ||
10bea152 JS |
2036 | /* |
2037 | * Find all the stuff for git_config_set() below. | |
2038 | */ | |
4ddba79d | 2039 | |
10bea152 JS |
2040 | static struct { |
2041 | int baselen; | |
4b25d091 | 2042 | char *key; |
f98d863d | 2043 | int do_not_match; |
4b25d091 | 2044 | regex_t *value_regex; |
4ddba79d | 2045 | int multi_replace; |
83786fa4 TR |
2046 | size_t *offset; |
2047 | unsigned int offset_alloc; | |
10bea152 JS |
2048 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
2049 | int seen; | |
2050 | } store; | |
2051 | ||
4b25d091 | 2052 | static int matches(const char *key, const char *value) |
f98d863d | 2053 | { |
c1063be2 JK |
2054 | if (strcmp(key, store.key)) |
2055 | return 0; /* not ours */ | |
2056 | if (!store.value_regex) | |
2057 | return 1; /* always matches */ | |
2058 | if (store.value_regex == CONFIG_REGEX_NONE) | |
2059 | return 0; /* never matches */ | |
2060 | ||
2061 | return store.do_not_match ^ | |
2062 | (value && !regexec(store.value_regex, value, 0, NULL, 0)); | |
f98d863d JS |
2063 | } |
2064 | ||
4b25d091 | 2065 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 2066 | { |
ae9ee41d JH |
2067 | const char *ep; |
2068 | size_t section_len; | |
2069 | ||
10bea152 JS |
2070 | switch (store.state) { |
2071 | case KEY_SEEN: | |
f98d863d | 2072 | if (matches(key, value)) { |
4ddba79d | 2073 | if (store.seen == 1 && store.multi_replace == 0) { |
8262aaa2 | 2074 | warning(_("%s has multiple values"), key); |
10bea152 | 2075 | } |
4ddba79d | 2076 | |
83786fa4 TR |
2077 | ALLOC_GROW(store.offset, store.seen + 1, |
2078 | store.offset_alloc); | |
2079 | ||
49d6cfa5 | 2080 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2081 | store.seen++; |
2082 | } | |
2083 | break; | |
2084 | case SECTION_SEEN: | |
ae9ee41d JH |
2085 | /* |
2086 | * What we are looking for is in store.key (both | |
2087 | * section and var), and its section part is baselen | |
2088 | * long. We found key (again, both section and var). | |
2089 | * We would want to know if this key is in the same | |
2090 | * section as what we are looking for. We already | |
2091 | * know we are in the same section as what should | |
2092 | * hold store.key. | |
2093 | */ | |
2094 | ep = strrchr(key, '.'); | |
2095 | section_len = ep - key; | |
2096 | ||
2097 | if ((section_len != store.baselen) || | |
2098 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
2099 | store.state = SECTION_END_SEEN; |
2100 | break; | |
ae9ee41d JH |
2101 | } |
2102 | ||
2103 | /* | |
2104 | * Do not increment matches: this is no match, but we | |
2105 | * just made sure we are in the desired section. | |
2106 | */ | |
83786fa4 TR |
2107 | ALLOC_GROW(store.offset, store.seen + 1, |
2108 | store.offset_alloc); | |
49d6cfa5 | 2109 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2110 | /* fallthru */ |
2111 | case SECTION_END_SEEN: | |
2112 | case START: | |
f98d863d | 2113 | if (matches(key, value)) { |
83786fa4 TR |
2114 | ALLOC_GROW(store.offset, store.seen + 1, |
2115 | store.offset_alloc); | |
49d6cfa5 | 2116 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2117 | store.state = KEY_SEEN; |
2118 | store.seen++; | |
d14f7764 LT |
2119 | } else { |
2120 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 2121 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 2122 | store.state = SECTION_SEEN; |
83786fa4 TR |
2123 | ALLOC_GROW(store.offset, |
2124 | store.seen + 1, | |
2125 | store.offset_alloc); | |
49d6cfa5 | 2126 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 2127 | } |
bdf0ef08 | 2128 | } |
10bea152 JS |
2129 | } |
2130 | return 0; | |
2131 | } | |
2132 | ||
64c0d71c | 2133 | static int write_error(const char *filename) |
480c9e52 | 2134 | { |
64c0d71c | 2135 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
2136 | |
2137 | /* Same error code as "failed to rename". */ | |
2138 | return 4; | |
2139 | } | |
2140 | ||
4b25d091 | 2141 | static int store_write_section(int fd, const char *key) |
10bea152 | 2142 | { |
cb891a59 KH |
2143 | const char *dot; |
2144 | int i, success; | |
f285a2d7 | 2145 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 2146 | |
cb891a59 | 2147 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 2148 | if (dot) { |
cb891a59 KH |
2149 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
2150 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 2151 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
2152 | strbuf_addch(&sb, '\\'); |
2153 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 2154 | } |
cb891a59 KH |
2155 | strbuf_addstr(&sb, "\"]\n"); |
2156 | } else { | |
2157 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
2158 | } |
2159 | ||
cb891a59 KH |
2160 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
2161 | strbuf_release(&sb); | |
480c9e52 | 2162 | |
cb891a59 | 2163 | return success; |
10bea152 JS |
2164 | } |
2165 | ||
4b25d091 | 2166 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 2167 | { |
cb891a59 KH |
2168 | int i, success; |
2169 | int length = strlen(key + store.baselen + 1); | |
2170 | const char *quote = ""; | |
f285a2d7 | 2171 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 2172 | |
6281f394 JM |
2173 | /* |
2174 | * Check to see if the value needs to be surrounded with a dq pair. | |
2175 | * Note that problematic characters are always backslash-quoted; this | |
2176 | * check is about not losing leading or trailing SP and strings that | |
2177 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
2178 | * configuration parser. | |
2179 | */ | |
cdd4fb15 | 2180 | if (value[0] == ' ') |
cb891a59 | 2181 | quote = "\""; |
cdd4fb15 BG |
2182 | for (i = 0; value[i]; i++) |
2183 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
2184 | quote = "\""; |
2185 | if (i && value[i - 1] == ' ') | |
2186 | quote = "\""; | |
2187 | ||
cb891a59 KH |
2188 | strbuf_addf(&sb, "\t%.*s = %s", |
2189 | length, key + store.baselen + 1, quote); | |
10bea152 | 2190 | |
10bea152 JS |
2191 | for (i = 0; value[i]; i++) |
2192 | switch (value[i]) { | |
480c9e52 | 2193 | case '\n': |
cb891a59 | 2194 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
2195 | break; |
2196 | case '\t': | |
cb891a59 | 2197 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
2198 | break; |
2199 | case '"': | |
2200 | case '\\': | |
cb891a59 | 2201 | strbuf_addch(&sb, '\\'); |
480c9e52 | 2202 | default: |
cb891a59 | 2203 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
2204 | break; |
2205 | } | |
cb891a59 KH |
2206 | strbuf_addf(&sb, "%s\n", quote); |
2207 | ||
2208 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
2209 | strbuf_release(&sb); | |
2210 | ||
2211 | return success; | |
10bea152 JS |
2212 | } |
2213 | ||
4b25d091 FC |
2214 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
2215 | size_t offset_, int *found_bracket) | |
4ddba79d | 2216 | { |
dc49cd76 SP |
2217 | size_t equal_offset = size, bracket_offset = size; |
2218 | ssize_t offset; | |
4ddba79d | 2219 | |
7a31cc0f | 2220 | contline: |
a6080a0a | 2221 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
2222 | && contents[offset] != '\n'; offset--) |
2223 | switch (contents[offset]) { | |
2224 | case '=': equal_offset = offset; break; | |
2225 | case ']': bracket_offset = offset; break; | |
2226 | } | |
7a31cc0f FL |
2227 | if (offset > 0 && contents[offset-1] == '\\') { |
2228 | offset_ = offset; | |
2229 | goto contline; | |
2230 | } | |
4ddba79d JS |
2231 | if (bracket_offset < equal_offset) { |
2232 | *found_bracket = 1; | |
2233 | offset = bracket_offset+1; | |
2234 | } else | |
2235 | offset++; | |
2236 | ||
2237 | return offset; | |
2238 | } | |
2239 | ||
30598ad0 PS |
2240 | int git_config_set_in_file_gently(const char *config_filename, |
2241 | const char *key, const char *value) | |
5ec31182 | 2242 | { |
30598ad0 | 2243 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
2244 | } |
2245 | ||
3d180648 PS |
2246 | void git_config_set_in_file(const char *config_filename, |
2247 | const char *key, const char *value) | |
10bea152 | 2248 | { |
3d180648 | 2249 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
2250 | } |
2251 | ||
30598ad0 | 2252 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 2253 | { |
30598ad0 | 2254 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
2255 | } |
2256 | ||
3d180648 | 2257 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 2258 | { |
3d180648 | 2259 | git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
2260 | } |
2261 | ||
2262 | /* | |
2263 | * If value==NULL, unset in (remove from) config, | |
2264 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
c1063be2 JK |
2265 | * if value_regex==CONFIG_REGEX_NONE, do not match any existing values |
2266 | * (only add a new one) | |
4ddba79d JS |
2267 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
2268 | * else all matching key/values (regardless how many) are removed, | |
2269 | * before the new pair is written. | |
10bea152 JS |
2270 | * |
2271 | * Returns 0 on success. | |
2272 | * | |
2273 | * This function does this: | |
2274 | * | |
2275 | * - it locks the config file by creating ".git/config.lock" | |
2276 | * | |
2277 | * - it then parses the config using store_aux() as validator to find | |
2278 | * the position on the key/value pair to replace. If it is to be unset, | |
2279 | * it must be found exactly once. | |
2280 | * | |
2281 | * - the config file is mmap()ed and the part before the match (if any) is | |
2282 | * written to the lock file, then the changed part and the rest. | |
2283 | * | |
2284 | * - the config file is removed and the lock file rename()d to it. | |
2285 | * | |
2286 | */ | |
30598ad0 PS |
2287 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
2288 | const char *key, const char *value, | |
2289 | const char *value_regex, | |
2290 | int multi_replace) | |
10bea152 | 2291 | { |
54d160ec | 2292 | int fd = -1, in_fd = -1; |
dafc88b1 | 2293 | int ret; |
6cbf973c | 2294 | struct lock_file *lock = NULL; |
0a5f5759 | 2295 | char *filename_buf = NULL; |
3a1b3126 JK |
2296 | char *contents = NULL; |
2297 | size_t contents_sz; | |
4ddba79d | 2298 | |
b09c53a3 LP |
2299 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
2300 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
2301 | if (ret) | |
dafc88b1 | 2302 | goto out_free; |
b17e659d JS |
2303 | |
2304 | store.multi_replace = multi_replace; | |
10bea152 | 2305 | |
0a5f5759 JK |
2306 | if (!config_filename) |
2307 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
2308 | |
2309 | /* | |
6cbf973c | 2310 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
2311 | * contents of .git/config will be written into it. |
2312 | */ | |
f1064f6b | 2313 | lock = xcalloc(1, sizeof(struct lock_file)); |
6cbf973c BS |
2314 | fd = hold_lock_file_for_update(lock, config_filename, 0); |
2315 | if (fd < 0) { | |
f0658ec9 | 2316 | error_errno("could not lock config file %s", config_filename); |
10bea152 | 2317 | free(store.key); |
7a397419 | 2318 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 2319 | goto out_free; |
10bea152 JS |
2320 | } |
2321 | ||
2322 | /* | |
2323 | * If .git/config does not exist yet, write a minimal version. | |
2324 | */ | |
88fb958b AR |
2325 | in_fd = open(config_filename, O_RDONLY); |
2326 | if ( in_fd < 0 ) { | |
10bea152 JS |
2327 | free(store.key); |
2328 | ||
88fb958b | 2329 | if ( ENOENT != errno ) { |
f0658ec9 | 2330 | error_errno("opening %s", config_filename); |
7a397419 | 2331 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 2332 | goto out_free; |
88fb958b | 2333 | } |
10bea152 JS |
2334 | /* if nothing to unset, error out */ |
2335 | if (value == NULL) { | |
7a397419 | 2336 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2337 | goto out_free; |
10bea152 JS |
2338 | } |
2339 | ||
4b25d091 | 2340 | store.key = (char *)key; |
480c9e52 | 2341 | if (!store_write_section(fd, key) || |
93c1e079 JH |
2342 | !store_write_pair(fd, key, value)) |
2343 | goto write_err_out; | |
2344 | } else { | |
88fb958b | 2345 | struct stat st; |
3a1b3126 | 2346 | size_t copy_begin, copy_end; |
dc49cd76 | 2347 | int i, new_line = 0; |
10bea152 JS |
2348 | |
2349 | if (value_regex == NULL) | |
2350 | store.value_regex = NULL; | |
c1063be2 JK |
2351 | else if (value_regex == CONFIG_REGEX_NONE) |
2352 | store.value_regex = CONFIG_REGEX_NONE; | |
10bea152 | 2353 | else { |
f98d863d JS |
2354 | if (value_regex[0] == '!') { |
2355 | store.do_not_match = 1; | |
2356 | value_regex++; | |
2357 | } else | |
2358 | store.do_not_match = 0; | |
2359 | ||
2d7320d0 | 2360 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
2361 | if (regcomp(store.value_regex, value_regex, |
2362 | REG_EXTENDED)) { | |
64c0d71c | 2363 | error("invalid pattern: %s", value_regex); |
10bea152 | 2364 | free(store.value_regex); |
7a397419 | 2365 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2366 | goto out_free; |
10bea152 JS |
2367 | } |
2368 | } | |
2369 | ||
83786fa4 | 2370 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 2371 | store.offset[0] = 0; |
10bea152 JS |
2372 | store.state = START; |
2373 | store.seen = 0; | |
2374 | ||
2375 | /* | |
2376 | * After this, store.offset will contain the *end* offset | |
2377 | * of the last match, or remain at 0 if no match was found. | |
2378 | * As a side effect, we make sure to transform only a valid | |
2379 | * existing config file. | |
2380 | */ | |
ef90d6d4 | 2381 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 2382 | error("invalid config file %s", config_filename); |
10bea152 | 2383 | free(store.key); |
c1063be2 JK |
2384 | if (store.value_regex != NULL && |
2385 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2386 | regfree(store.value_regex); |
2387 | free(store.value_regex); | |
2388 | } | |
7a397419 | 2389 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 2390 | goto out_free; |
10bea152 JS |
2391 | } |
2392 | ||
2393 | free(store.key); | |
c1063be2 JK |
2394 | if (store.value_regex != NULL && |
2395 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2396 | regfree(store.value_regex); |
2397 | free(store.value_regex); | |
2398 | } | |
2399 | ||
4ddba79d JS |
2400 | /* if nothing to unset, or too many matches, error out */ |
2401 | if ((store.seen == 0 && value == NULL) || | |
2402 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 2403 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2404 | goto out_free; |
10bea152 JS |
2405 | } |
2406 | ||
29647d79 NTND |
2407 | if (fstat(in_fd, &st) == -1) { |
2408 | error_errno(_("fstat on %s failed"), config_filename); | |
2409 | ret = CONFIG_INVALID_FILE; | |
2410 | goto out_free; | |
2411 | } | |
2412 | ||
dc49cd76 | 2413 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
2414 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
2415 | MAP_PRIVATE, in_fd, 0); | |
2416 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
2417 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
2418 | errno = EISDIR; | |
f0658ec9 | 2419 | error_errno("unable to mmap '%s'", config_filename); |
1570856b JK |
2420 | ret = CONFIG_INVALID_FILE; |
2421 | contents = NULL; | |
2422 | goto out_free; | |
2423 | } | |
10bea152 | 2424 | close(in_fd); |
54d160ec | 2425 | in_fd = -1; |
10bea152 | 2426 | |
b4fb09e4 | 2427 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 | 2428 | error_errno("chmod on %s failed", get_lock_file_path(lock)); |
daa22c6f EW |
2429 | ret = CONFIG_NO_WRITE; |
2430 | goto out_free; | |
2431 | } | |
2432 | ||
4ddba79d JS |
2433 | if (store.seen == 0) |
2434 | store.seen = 1; | |
2435 | ||
2436 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
2437 | if (store.offset[i] == 0) { | |
dc49cd76 | 2438 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
2439 | } else if (store.state != KEY_SEEN) { |
2440 | copy_end = store.offset[i]; | |
10bea152 | 2441 | } else |
4ddba79d | 2442 | copy_end = find_beginning_of_line( |
dc49cd76 | 2443 | contents, contents_sz, |
4ddba79d JS |
2444 | store.offset[i]-2, &new_line); |
2445 | ||
02e5ba4a JK |
2446 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
2447 | new_line = 1; | |
2448 | ||
4ddba79d JS |
2449 | /* write the first part of the config */ |
2450 | if (copy_end > copy_begin) { | |
93c1e079 JH |
2451 | if (write_in_full(fd, contents + copy_begin, |
2452 | copy_end - copy_begin) < | |
2453 | copy_end - copy_begin) | |
2454 | goto write_err_out; | |
2455 | if (new_line && | |
2b7ca830 | 2456 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 2457 | goto write_err_out; |
4ddba79d JS |
2458 | } |
2459 | copy_begin = store.offset[i]; | |
10bea152 JS |
2460 | } |
2461 | ||
10bea152 JS |
2462 | /* write the pair (value == NULL means unset) */ |
2463 | if (value != NULL) { | |
93c1e079 JH |
2464 | if (store.state == START) { |
2465 | if (!store_write_section(fd, key)) | |
2466 | goto write_err_out; | |
480c9e52 | 2467 | } |
93c1e079 JH |
2468 | if (!store_write_pair(fd, key, value)) |
2469 | goto write_err_out; | |
10bea152 JS |
2470 | } |
2471 | ||
2472 | /* write the rest of the config */ | |
dc49cd76 | 2473 | if (copy_begin < contents_sz) |
93c1e079 | 2474 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
2475 | contents_sz - copy_begin) < |
2476 | contents_sz - copy_begin) | |
93c1e079 | 2477 | goto write_err_out; |
7a64592c KB |
2478 | |
2479 | munmap(contents, contents_sz); | |
2480 | contents = NULL; | |
10bea152 JS |
2481 | } |
2482 | ||
4ed7cd3a | 2483 | if (commit_lock_file(lock) < 0) { |
f0658ec9 | 2484 | error_errno("could not write config file %s", config_filename); |
7a397419 | 2485 | ret = CONFIG_NO_WRITE; |
e831855e | 2486 | lock = NULL; |
dafc88b1 | 2487 | goto out_free; |
10bea152 JS |
2488 | } |
2489 | ||
6cbf973c BS |
2490 | /* |
2491 | * lock is committed, so don't try to roll it back below. | |
2492 | * NOTE: Since lockfile.c keeps a linked list of all created | |
2493 | * lock_file structures, it isn't safe to free(lock). It's | |
2494 | * better to just leave it hanging around. | |
2495 | */ | |
2496 | lock = NULL; | |
dafc88b1 SH |
2497 | ret = 0; |
2498 | ||
3c8687a7 TA |
2499 | /* Invalidate the config cache */ |
2500 | git_config_clear(); | |
2501 | ||
dafc88b1 | 2502 | out_free: |
6cbf973c BS |
2503 | if (lock) |
2504 | rollback_lock_file(lock); | |
0a5f5759 | 2505 | free(filename_buf); |
3a1b3126 JK |
2506 | if (contents) |
2507 | munmap(contents, contents_sz); | |
54d160ec SS |
2508 | if (in_fd >= 0) |
2509 | close(in_fd); | |
dafc88b1 | 2510 | return ret; |
93c1e079 JH |
2511 | |
2512 | write_err_out: | |
b4fb09e4 | 2513 | ret = write_error(get_lock_file_path(lock)); |
93c1e079 JH |
2514 | goto out_free; |
2515 | ||
10bea152 JS |
2516 | } |
2517 | ||
3d180648 PS |
2518 | void git_config_set_multivar_in_file(const char *config_filename, |
2519 | const char *key, const char *value, | |
2520 | const char *value_regex, int multi_replace) | |
b4c8aba6 | 2521 | { |
1cae428e JK |
2522 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
2523 | value_regex, multi_replace)) | |
2524 | return; | |
2525 | if (value) | |
8c3ca351 | 2526 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
2527 | else |
2528 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
2529 | } |
2530 | ||
30598ad0 PS |
2531 | int git_config_set_multivar_gently(const char *key, const char *value, |
2532 | const char *value_regex, int multi_replace) | |
5ec31182 | 2533 | { |
30598ad0 PS |
2534 | return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex, |
2535 | multi_replace); | |
5ec31182 RR |
2536 | } |
2537 | ||
3d180648 PS |
2538 | void git_config_set_multivar(const char *key, const char *value, |
2539 | const char *value_regex, int multi_replace) | |
5ec31182 | 2540 | { |
3d180648 PS |
2541 | git_config_set_multivar_in_file(NULL, key, value, value_regex, |
2542 | multi_replace); | |
5ec31182 RR |
2543 | } |
2544 | ||
118f8b24 PB |
2545 | static int section_name_match (const char *buf, const char *name) |
2546 | { | |
2547 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
2548 | if (buf[i] != '[') |
2549 | return 0; | |
2550 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
2551 | if (!dot && isspace(buf[i])) { |
2552 | dot = 1; | |
2553 | if (name[j++] != '.') | |
2554 | break; | |
2555 | for (i++; isspace(buf[i]); i++) | |
2556 | ; /* do nothing */ | |
2557 | if (buf[i] != '"') | |
2558 | break; | |
2559 | continue; | |
2560 | } | |
2561 | if (buf[i] == '\\' && dot) | |
2562 | i++; | |
2563 | else if (buf[i] == '"' && dot) { | |
2564 | for (i++; isspace(buf[i]); i++) | |
2565 | ; /* do_nothing */ | |
2566 | break; | |
2567 | } | |
2568 | if (buf[i] != name[j++]) | |
2569 | break; | |
2570 | } | |
a4c0d463 AV |
2571 | if (buf[i] == ']' && name[j] == 0) { |
2572 | /* | |
2573 | * We match, now just find the right length offset by | |
2574 | * gobbling up any whitespace after it, as well | |
2575 | */ | |
2576 | i++; | |
2577 | for (; buf[i] && isspace(buf[i]); i++) | |
2578 | ; /* do nothing */ | |
2579 | return i; | |
2580 | } | |
2581 | return 0; | |
118f8b24 PB |
2582 | } |
2583 | ||
94a35b1a JK |
2584 | static int section_name_is_ok(const char *name) |
2585 | { | |
2586 | /* Empty section names are bogus. */ | |
2587 | if (!*name) | |
2588 | return 0; | |
2589 | ||
2590 | /* | |
2591 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
2592 | * anything goes, so we can stop checking. | |
2593 | */ | |
2594 | for (; *name && *name != '.'; name++) | |
2595 | if (*name != '-' && !isalnum(*name)) | |
2596 | return 0; | |
2597 | return 1; | |
2598 | } | |
2599 | ||
118f8b24 | 2600 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
2601 | int git_config_rename_section_in_file(const char *config_filename, |
2602 | const char *old_name, const char *new_name) | |
0667fcfb | 2603 | { |
118f8b24 | 2604 | int ret = 0, remove = 0; |
42bd39b5 | 2605 | char *filename_buf = NULL; |
94a35b1a | 2606 | struct lock_file *lock; |
0667fcfb JS |
2607 | int out_fd; |
2608 | char buf[1024]; | |
924aaf3e | 2609 | FILE *config_file; |
daa22c6f | 2610 | struct stat st; |
0667fcfb | 2611 | |
94a35b1a JK |
2612 | if (new_name && !section_name_is_ok(new_name)) { |
2613 | ret = error("invalid section name: %s", new_name); | |
c06fa62d | 2614 | goto out_no_rollback; |
94a35b1a JK |
2615 | } |
2616 | ||
42bd39b5 JK |
2617 | if (!config_filename) |
2618 | config_filename = filename_buf = git_pathdup("config"); | |
2619 | ||
f1064f6b | 2620 | lock = xcalloc(1, sizeof(struct lock_file)); |
0667fcfb | 2621 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 2622 | if (out_fd < 0) { |
64c0d71c | 2623 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
2624 | goto out; |
2625 | } | |
0667fcfb | 2626 | |
fc1905bb | 2627 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc | 2628 | /* no config file means nothing to rename, no error */ |
6e45b43f | 2629 | goto commit_and_out; |
fc1905bb | 2630 | } |
0667fcfb | 2631 | |
29647d79 NTND |
2632 | if (fstat(fileno(config_file), &st) == -1) { |
2633 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
2634 | goto out; | |
2635 | } | |
daa22c6f | 2636 | |
b4fb09e4 | 2637 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 NTND |
2638 | ret = error_errno("chmod on %s failed", |
2639 | get_lock_file_path(lock)); | |
daa22c6f EW |
2640 | goto out; |
2641 | } | |
2642 | ||
0667fcfb JS |
2643 | while (fgets(buf, sizeof(buf), config_file)) { |
2644 | int i; | |
480c9e52 | 2645 | int length; |
9a5abfc7 | 2646 | char *output = buf; |
0667fcfb JS |
2647 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
2648 | ; /* do nothing */ | |
2649 | if (buf[i] == '[') { | |
2650 | /* it's a section */ | |
a4c0d463 AV |
2651 | int offset = section_name_match(&buf[i], old_name); |
2652 | if (offset > 0) { | |
118f8b24 PB |
2653 | ret++; |
2654 | if (new_name == NULL) { | |
2655 | remove = 1; | |
0667fcfb JS |
2656 | continue; |
2657 | } | |
0667fcfb | 2658 | store.baselen = strlen(new_name); |
480c9e52 | 2659 | if (!store_write_section(out_fd, new_name)) { |
b4fb09e4 | 2660 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2661 | goto out; |
2662 | } | |
9a5abfc7 AV |
2663 | /* |
2664 | * We wrote out the new section, with | |
2665 | * a newline, now skip the old | |
2666 | * section's length | |
2667 | */ | |
2668 | output += offset + i; | |
2669 | if (strlen(output) > 0) { | |
2670 | /* | |
2671 | * More content means there's | |
2672 | * a declaration to put on the | |
2673 | * next line; indent with a | |
2674 | * tab | |
2675 | */ | |
2676 | output -= 1; | |
2677 | output[0] = '\t'; | |
2678 | } | |
0667fcfb | 2679 | } |
118f8b24 | 2680 | remove = 0; |
0667fcfb | 2681 | } |
118f8b24 PB |
2682 | if (remove) |
2683 | continue; | |
9a5abfc7 AV |
2684 | length = strlen(output); |
2685 | if (write_in_full(out_fd, output, length) != length) { | |
b4fb09e4 | 2686 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2687 | goto out; |
2688 | } | |
0667fcfb | 2689 | } |
fc1905bb | 2690 | fclose(config_file); |
6e45b43f | 2691 | commit_and_out: |
4ed7cd3a | 2692 | if (commit_lock_file(lock) < 0) |
f0658ec9 NTND |
2693 | ret = error_errno("could not write config file %s", |
2694 | config_filename); | |
8b590075 | 2695 | out: |
c06fa62d NTND |
2696 | rollback_lock_file(lock); |
2697 | out_no_rollback: | |
42bd39b5 | 2698 | free(filename_buf); |
0667fcfb JS |
2699 | return ret; |
2700 | } | |
40ea4ed9 | 2701 | |
42bd39b5 JK |
2702 | int git_config_rename_section(const char *old_name, const char *new_name) |
2703 | { | |
4a7bb5ba | 2704 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
2705 | } |
2706 | ||
40ea4ed9 JH |
2707 | /* |
2708 | * Call this to report error for your variable that should not | |
2709 | * get a boolean value (i.e. "[my] var" means "true"). | |
2710 | */ | |
a469a101 | 2711 | #undef config_error_nonbool |
40ea4ed9 JH |
2712 | int config_error_nonbool(const char *var) |
2713 | { | |
8c3ca351 | 2714 | return error("missing value for '%s'", var); |
40ea4ed9 | 2715 | } |
1b86bbb0 JK |
2716 | |
2717 | int parse_config_key(const char *var, | |
2718 | const char *section, | |
2719 | const char **subsection, int *subsection_len, | |
2720 | const char **key) | |
2721 | { | |
1b86bbb0 JK |
2722 | const char *dot; |
2723 | ||
2724 | /* Does it start with "section." ? */ | |
e3394fdc | 2725 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
2726 | return -1; |
2727 | ||
2728 | /* | |
2729 | * Find the key; we don't know yet if we have a subsection, but we must | |
2730 | * parse backwards from the end, since the subsection may have dots in | |
2731 | * it, too. | |
2732 | */ | |
2733 | dot = strrchr(var, '.'); | |
2734 | *key = dot + 1; | |
2735 | ||
2736 | /* Did we have a subsection at all? */ | |
e3394fdc | 2737 | if (dot == var) { |
48f8d9f7 JK |
2738 | if (subsection) { |
2739 | *subsection = NULL; | |
2740 | *subsection_len = 0; | |
2741 | } | |
1b86bbb0 JK |
2742 | } |
2743 | else { | |
48f8d9f7 JK |
2744 | if (!subsection) |
2745 | return -1; | |
e3394fdc | 2746 | *subsection = var + 1; |
1b86bbb0 JK |
2747 | *subsection_len = dot - *subsection; |
2748 | } | |
2749 | ||
2750 | return 0; | |
2751 | } | |
473166b9 LS |
2752 | |
2753 | const char *current_config_origin_type(void) | |
2754 | { | |
1b8132d9 | 2755 | int type; |
0d44a2da JK |
2756 | if (current_config_kvi) |
2757 | type = current_config_kvi->origin_type; | |
2758 | else if(cf) | |
2759 | type = cf->origin_type; | |
2760 | else | |
3258258f | 2761 | die("BUG: current_config_origin_type called outside config callback"); |
1b8132d9 VA |
2762 | |
2763 | switch (type) { | |
2764 | case CONFIG_ORIGIN_BLOB: | |
2765 | return "blob"; | |
2766 | case CONFIG_ORIGIN_FILE: | |
2767 | return "file"; | |
2768 | case CONFIG_ORIGIN_STDIN: | |
2769 | return "standard input"; | |
2770 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
2771 | return "submodule-blob"; | |
2772 | case CONFIG_ORIGIN_CMDLINE: | |
2773 | return "command line"; | |
2774 | default: | |
2775 | die("BUG: unknown config origin type"); | |
2776 | } | |
473166b9 LS |
2777 | } |
2778 | ||
2779 | const char *current_config_name(void) | |
2780 | { | |
0d44a2da JK |
2781 | const char *name; |
2782 | if (current_config_kvi) | |
2783 | name = current_config_kvi->filename; | |
2784 | else if (cf) | |
2785 | name = cf->name; | |
2786 | else | |
3258258f | 2787 | die("BUG: current_config_name called outside config callback"); |
0d44a2da | 2788 | return name ? name : ""; |
473166b9 | 2789 | } |
9acc5911 JK |
2790 | |
2791 | enum config_scope current_config_scope(void) | |
2792 | { | |
2793 | if (current_config_kvi) | |
2794 | return current_config_kvi->scope; | |
2795 | else | |
2796 | return current_parsing_scope; | |
473166b9 | 2797 | } |