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Commit | Line | Data |
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10bea152 JS |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | * Copyright (C) Johannes Schindelin, 2005 | |
6 | * | |
7 | */ | |
17712991 | 8 | #include "cache.h" |
e730b81d | 9 | #include "branch.h" |
b2141fc1 | 10 | #include "config.h" |
d8d77153 | 11 | #include "environment.h" |
3b256228 | 12 | #include "repository.h" |
697cc8ef | 13 | #include "lockfile.h" |
d807c4a0 | 14 | #include "exec-cmd.h" |
572e4f6a | 15 | #include "strbuf.h" |
2b64fc89 | 16 | #include "quote.h" |
3c8687a7 TA |
17 | #include "hashmap.h" |
18 | #include "string-list.h" | |
cbd53a21 | 19 | #include "object-store.h" |
599446dc | 20 | #include "utf8.h" |
3efd0bed | 21 | #include "dir.h" |
6d2f9acc | 22 | #include "color.h" |
07b2c0ea | 23 | #include "refs.h" |
17712991 | 24 | |
4d8dd149 HV |
25 | struct config_source { |
26 | struct config_source *prev; | |
27 | union { | |
28 | FILE *file; | |
1bc88819 HV |
29 | struct config_buf { |
30 | const char *buf; | |
31 | size_t len; | |
32 | size_t pos; | |
33 | } buf; | |
4d8dd149 | 34 | } u; |
1b8132d9 | 35 | enum config_origin_type origin_type; |
924aaf3e | 36 | const char *name; |
d14d4244 | 37 | const char *path; |
66f97228 | 38 | enum config_error_action default_error_action; |
924aaf3e RJ |
39 | int linenr; |
40 | int eof; | |
348482de | 41 | size_t total_len; |
924aaf3e | 42 | struct strbuf value; |
0971e992 | 43 | struct strbuf var; |
2d84f13d | 44 | unsigned subsection_case_sensitive : 1; |
924aaf3e | 45 | |
49d6cfa5 JK |
46 | int (*do_fgetc)(struct config_source *c); |
47 | int (*do_ungetc)(int c, struct config_source *conf); | |
48 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
49 | }; |
50 | ||
0d44a2da JK |
51 | /* |
52 | * These variables record the "current" config source, which | |
53 | * can be accessed by parsing callbacks. | |
54 | * | |
55 | * The "cf" variable will be non-NULL only when we are actually parsing a real | |
56 | * config source (file, blob, cmdline, etc). | |
57 | * | |
58 | * The "current_config_kvi" variable will be non-NULL only when we are feeding | |
59 | * cached config from a configset into a callback. | |
60 | * | |
61 | * They should generally never be non-NULL at the same time. If they are both | |
62 | * NULL, then we aren't parsing anything (and depending on the function looking | |
63 | * at the variables, it's either a bug for it to be called in the first place, | |
64 | * or it's a function which can be reused for non-config purposes, and should | |
65 | * fall back to some sane behavior). | |
66 | */ | |
4d8dd149 | 67 | static struct config_source *cf; |
0d44a2da | 68 | static struct key_value_info *current_config_kvi; |
924aaf3e | 69 | |
9acc5911 JK |
70 | /* |
71 | * Similar to the variables above, this gives access to the "scope" of the | |
72 | * current value (repo, global, etc). For cached values, it can be found via | |
73 | * the current_config_kvi as above. During parsing, the current value can be | |
74 | * found in this variable. It's not part of "cf" because it transcends a single | |
75 | * file (i.e., a file included from .git/config is still in "repo" scope). | |
76 | */ | |
77 | static enum config_scope current_parsing_scope; | |
924aaf3e | 78 | |
8de7eeb5 JH |
79 | static int core_compression_seen; |
80 | static int pack_compression_seen; | |
960ccca6 DH |
81 | static int zlib_compression_seen; |
82 | ||
4d8dd149 HV |
83 | static int config_file_fgetc(struct config_source *conf) |
84 | { | |
260d408e | 85 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
86 | } |
87 | ||
88 | static int config_file_ungetc(int c, struct config_source *conf) | |
89 | { | |
90 | return ungetc(c, conf->u.file); | |
91 | } | |
92 | ||
93 | static long config_file_ftell(struct config_source *conf) | |
94 | { | |
95 | return ftell(conf->u.file); | |
96 | } | |
97 | ||
1bc88819 HV |
98 | |
99 | static int config_buf_fgetc(struct config_source *conf) | |
100 | { | |
101 | if (conf->u.buf.pos < conf->u.buf.len) | |
102 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
103 | ||
104 | return EOF; | |
105 | } | |
106 | ||
107 | static int config_buf_ungetc(int c, struct config_source *conf) | |
108 | { | |
1d0655c1 JK |
109 | if (conf->u.buf.pos > 0) { |
110 | conf->u.buf.pos--; | |
111 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
033abf97 | 112 | BUG("config_buf can only ungetc the same character"); |
1d0655c1 JK |
113 | return c; |
114 | } | |
1bc88819 HV |
115 | |
116 | return EOF; | |
117 | } | |
118 | ||
119 | static long config_buf_ftell(struct config_source *conf) | |
120 | { | |
121 | return conf->u.buf.pos; | |
122 | } | |
123 | ||
9b25a0b5 | 124 | #define MAX_INCLUDE_DEPTH 10 |
a769bfc7 | 125 | static const char include_depth_advice[] = N_( |
9b25a0b5 JK |
126 | "exceeded maximum include depth (%d) while including\n" |
127 | " %s\n" | |
128 | "from\n" | |
129 | " %s\n" | |
27c929ed | 130 | "This might be due to circular includes."); |
9b25a0b5 JK |
131 | static int handle_path_include(const char *path, struct config_include_data *inc) |
132 | { | |
133 | int ret = 0; | |
134 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 135 | char *expanded; |
4c0a89fc | 136 | |
67beb600 JK |
137 | if (!path) |
138 | return config_error_nonbool("include.path"); | |
139 | ||
4aad2f16 | 140 | expanded = expand_user_path(path, 0); |
4c0a89fc | 141 | if (!expanded) |
a769bfc7 | 142 | return error(_("could not expand include path '%s'"), path); |
4c0a89fc | 143 | path = expanded; |
9b25a0b5 JK |
144 | |
145 | /* | |
146 | * Use an absolute path as-is, but interpret relative paths | |
147 | * based on the including config file. | |
148 | */ | |
149 | if (!is_absolute_path(path)) { | |
150 | char *slash; | |
151 | ||
d14d4244 | 152 | if (!cf || !cf->path) |
a769bfc7 | 153 | return error(_("relative config includes must come from files")); |
9b25a0b5 | 154 | |
d14d4244 | 155 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 156 | if (slash) |
d14d4244 | 157 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
158 | strbuf_addstr(&buf, path); |
159 | path = buf.buf; | |
160 | } | |
161 | ||
4698c8fe | 162 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 | 163 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
a769bfc7 | 164 | die(_(include_depth_advice), MAX_INCLUDE_DEPTH, path, |
3258258f JK |
165 | !cf ? "<unknown>" : |
166 | cf->name ? cf->name : | |
167 | "the command line"); | |
9b25a0b5 JK |
168 | ret = git_config_from_file(git_config_include, path, inc); |
169 | inc->depth--; | |
170 | } | |
171 | strbuf_release(&buf); | |
4c0a89fc | 172 | free(expanded); |
9b25a0b5 JK |
173 | return ret; |
174 | } | |
175 | ||
07b2c0ea DL |
176 | static void add_trailing_starstar_for_dir(struct strbuf *pat) |
177 | { | |
178 | if (pat->len && is_dir_sep(pat->buf[pat->len - 1])) | |
179 | strbuf_addstr(pat, "**"); | |
180 | } | |
181 | ||
3efd0bed NTND |
182 | static int prepare_include_condition_pattern(struct strbuf *pat) |
183 | { | |
184 | struct strbuf path = STRBUF_INIT; | |
185 | char *expanded; | |
186 | int prefix = 0; | |
187 | ||
86f95157 | 188 | expanded = expand_user_path(pat->buf, 1); |
3efd0bed NTND |
189 | if (expanded) { |
190 | strbuf_reset(pat); | |
191 | strbuf_addstr(pat, expanded); | |
192 | free(expanded); | |
193 | } | |
194 | ||
195 | if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) { | |
196 | const char *slash; | |
197 | ||
198 | if (!cf || !cf->path) | |
199 | return error(_("relative config include " | |
200 | "conditionals must come from files")); | |
201 | ||
86f95157 | 202 | strbuf_realpath(&path, cf->path, 1); |
3efd0bed NTND |
203 | slash = find_last_dir_sep(path.buf); |
204 | if (!slash) | |
033abf97 | 205 | BUG("how is this possible?"); |
3efd0bed NTND |
206 | strbuf_splice(pat, 0, 1, path.buf, slash - path.buf); |
207 | prefix = slash - path.buf + 1 /* slash */; | |
208 | } else if (!is_absolute_path(pat->buf)) | |
a91cc7fa | 209 | strbuf_insertstr(pat, 0, "**/"); |
3efd0bed | 210 | |
07b2c0ea | 211 | add_trailing_starstar_for_dir(pat); |
3efd0bed NTND |
212 | |
213 | strbuf_release(&path); | |
214 | return prefix; | |
215 | } | |
216 | ||
2185fde5 NTND |
217 | static int include_by_gitdir(const struct config_options *opts, |
218 | const char *cond, size_t cond_len, int icase) | |
3efd0bed NTND |
219 | { |
220 | struct strbuf text = STRBUF_INIT; | |
221 | struct strbuf pattern = STRBUF_INIT; | |
222 | int ret = 0, prefix; | |
2185fde5 | 223 | const char *git_dir; |
0624c63c | 224 | int already_tried_absolute = 0; |
3efd0bed | 225 | |
2185fde5 NTND |
226 | if (opts->git_dir) |
227 | git_dir = opts->git_dir; | |
2185fde5 NTND |
228 | else |
229 | goto done; | |
230 | ||
c9672ba4 | 231 | strbuf_realpath(&text, git_dir, 1); |
3efd0bed NTND |
232 | strbuf_add(&pattern, cond, cond_len); |
233 | prefix = prepare_include_condition_pattern(&pattern); | |
234 | ||
0624c63c | 235 | again: |
3efd0bed NTND |
236 | if (prefix < 0) |
237 | goto done; | |
238 | ||
239 | if (prefix > 0) { | |
240 | /* | |
241 | * perform literal matching on the prefix part so that | |
242 | * any wildcard character in it can't create side effects. | |
243 | */ | |
244 | if (text.len < prefix) | |
245 | goto done; | |
246 | if (!icase && strncmp(pattern.buf, text.buf, prefix)) | |
247 | goto done; | |
248 | if (icase && strncasecmp(pattern.buf, text.buf, prefix)) | |
249 | goto done; | |
250 | } | |
251 | ||
252 | ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, | |
19e7fdaa | 253 | WM_PATHNAME | (icase ? WM_CASEFOLD : 0)); |
3efd0bed | 254 | |
0624c63c ÆAB |
255 | if (!ret && !already_tried_absolute) { |
256 | /* | |
257 | * We've tried e.g. matching gitdir:~/work, but if | |
258 | * ~/work is a symlink to /mnt/storage/work | |
259 | * strbuf_realpath() will expand it, so the rule won't | |
260 | * match. Let's match against a | |
261 | * strbuf_add_absolute_path() version of the path, | |
262 | * which'll do the right thing | |
263 | */ | |
264 | strbuf_reset(&text); | |
265 | strbuf_add_absolute_path(&text, git_dir); | |
266 | already_tried_absolute = 1; | |
267 | goto again; | |
268 | } | |
3efd0bed NTND |
269 | done: |
270 | strbuf_release(&pattern); | |
271 | strbuf_release(&text); | |
272 | return ret; | |
273 | } | |
274 | ||
07b2c0ea DL |
275 | static int include_by_branch(const char *cond, size_t cond_len) |
276 | { | |
277 | int flags; | |
278 | int ret; | |
279 | struct strbuf pattern = STRBUF_INIT; | |
22932d91 | 280 | const char *refname = !the_repository->gitdir ? |
85fe0e80 | 281 | NULL : resolve_ref_unsafe("HEAD", 0, NULL, &flags); |
07b2c0ea DL |
282 | const char *shortname; |
283 | ||
284 | if (!refname || !(flags & REF_ISSYMREF) || | |
285 | !skip_prefix(refname, "refs/heads/", &shortname)) | |
286 | return 0; | |
287 | ||
288 | strbuf_add(&pattern, cond, cond_len); | |
289 | add_trailing_starstar_for_dir(&pattern); | |
290 | ret = !wildmatch(pattern.buf, shortname, WM_PATHNAME); | |
291 | strbuf_release(&pattern); | |
292 | return ret; | |
293 | } | |
294 | ||
2185fde5 NTND |
295 | static int include_condition_is_true(const struct config_options *opts, |
296 | const char *cond, size_t cond_len) | |
3efd0bed NTND |
297 | { |
298 | ||
299 | if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len)) | |
2185fde5 | 300 | return include_by_gitdir(opts, cond, cond_len, 0); |
3efd0bed | 301 | else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len)) |
2185fde5 | 302 | return include_by_gitdir(opts, cond, cond_len, 1); |
07b2c0ea DL |
303 | else if (skip_prefix_mem(cond, cond_len, "onbranch:", &cond, &cond_len)) |
304 | return include_by_branch(cond, cond_len); | |
3efd0bed NTND |
305 | |
306 | /* unknown conditionals are always false */ | |
307 | return 0; | |
308 | } | |
309 | ||
9b25a0b5 JK |
310 | int git_config_include(const char *var, const char *value, void *data) |
311 | { | |
312 | struct config_include_data *inc = data; | |
3efd0bed | 313 | const char *cond, *key; |
f5914f4b | 314 | size_t cond_len; |
9b25a0b5 JK |
315 | int ret; |
316 | ||
317 | /* | |
318 | * Pass along all values, including "include" directives; this makes it | |
319 | * possible to query information on the includes themselves. | |
320 | */ | |
321 | ret = inc->fn(var, value, inc->data); | |
322 | if (ret < 0) | |
323 | return ret; | |
324 | ||
37007c3a | 325 | if (!strcmp(var, "include.path")) |
9b25a0b5 | 326 | ret = handle_path_include(value, inc); |
3efd0bed NTND |
327 | |
328 | if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) && | |
2185fde5 | 329 | (cond && include_condition_is_true(inc->opts, cond, cond_len)) && |
3efd0bed NTND |
330 | !strcmp(key, "path")) |
331 | ret = handle_path_include(value, inc); | |
332 | ||
9b25a0b5 JK |
333 | return ret; |
334 | } | |
335 | ||
1ff21c05 | 336 | static void git_config_push_split_parameter(const char *key, const char *value) |
2b64fc89 JK |
337 | { |
338 | struct strbuf env = STRBUF_INIT; | |
339 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 340 | if (old && *old) { |
2b64fc89 JK |
341 | strbuf_addstr(&env, old); |
342 | strbuf_addch(&env, ' '); | |
343 | } | |
1ff21c05 PS |
344 | sq_quote_buf(&env, key); |
345 | strbuf_addch(&env, '='); | |
346 | if (value) | |
347 | sq_quote_buf(&env, value); | |
2b64fc89 JK |
348 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); |
349 | strbuf_release(&env); | |
350 | } | |
351 | ||
1ff21c05 PS |
352 | void git_config_push_parameter(const char *text) |
353 | { | |
354 | const char *value; | |
355 | ||
356 | /* | |
357 | * When we see: | |
358 | * | |
359 | * section.subsection=with=equals.key=value | |
360 | * | |
361 | * we cannot tell if it means: | |
362 | * | |
363 | * [section "subsection=with=equals"] | |
364 | * key = value | |
365 | * | |
366 | * or: | |
367 | * | |
368 | * [section] | |
369 | * subsection = with=equals.key=value | |
370 | * | |
371 | * We parse left-to-right for the first "=", meaning we'll prefer to | |
372 | * keep the value intact over the subsection. This is historical, but | |
373 | * also sensible since values are more likely to contain odd or | |
374 | * untrusted input than a section name. | |
375 | * | |
376 | * A missing equals is explicitly allowed (as a bool-only entry). | |
377 | */ | |
378 | value = strchr(text, '='); | |
379 | if (value) { | |
380 | char *key = xmemdupz(text, value - text); | |
381 | git_config_push_split_parameter(key, value + 1); | |
382 | free(key); | |
383 | } else { | |
384 | git_config_push_split_parameter(text, NULL); | |
385 | } | |
386 | } | |
387 | ||
ce81b1da PS |
388 | void git_config_push_env(const char *spec) |
389 | { | |
1ff21c05 | 390 | char *key; |
ce81b1da PS |
391 | const char *env_name; |
392 | const char *env_value; | |
393 | ||
394 | env_name = strrchr(spec, '='); | |
395 | if (!env_name) | |
396 | die(_("invalid config format: %s"), spec); | |
1ff21c05 | 397 | key = xmemdupz(spec, env_name - spec); |
ce81b1da PS |
398 | env_name++; |
399 | if (!*env_name) | |
400 | die(_("missing environment variable name for configuration '%.*s'"), | |
401 | (int)(env_name - spec - 1), spec); | |
402 | ||
403 | env_value = getenv(env_name); | |
404 | if (!env_value) | |
405 | die(_("missing environment variable '%s' for configuration '%.*s'"), | |
406 | env_name, (int)(env_name - spec - 1), spec); | |
407 | ||
1ff21c05 PS |
408 | git_config_push_split_parameter(key, env_value); |
409 | free(key); | |
ce81b1da PS |
410 | } |
411 | ||
ee98df3f JH |
412 | static inline int iskeychar(int c) |
413 | { | |
414 | return isalnum(c) || c == '-'; | |
415 | } | |
416 | ||
417 | /* | |
418 | * Auxiliary function to sanity-check and split the key into the section | |
419 | * identifier and variable name. | |
420 | * | |
421 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
422 | * -2 if there is no section name in the key. | |
423 | * | |
424 | * store_key - pointer to char* which will hold a copy of the key with | |
425 | * lowercase section and variable name | |
f011a965 | 426 | * baselen - pointer to size_t which will hold the length of the |
ee98df3f JH |
427 | * section + subsection part, can be NULL |
428 | */ | |
f011a965 | 429 | static int git_config_parse_key_1(const char *key, char **store_key, size_t *baselen_, int quiet) |
ee98df3f | 430 | { |
f011a965 JK |
431 | size_t i, baselen; |
432 | int dot; | |
ee98df3f JH |
433 | const char *last_dot = strrchr(key, '.'); |
434 | ||
435 | /* | |
436 | * Since "key" actually contains the section name and the real | |
437 | * key name separated by a dot, we have to know where the dot is. | |
438 | */ | |
439 | ||
440 | if (last_dot == NULL || last_dot == key) { | |
441 | if (!quiet) | |
a769bfc7 | 442 | error(_("key does not contain a section: %s"), key); |
ee98df3f JH |
443 | return -CONFIG_NO_SECTION_OR_NAME; |
444 | } | |
445 | ||
446 | if (!last_dot[1]) { | |
447 | if (!quiet) | |
a769bfc7 | 448 | error(_("key does not contain variable name: %s"), key); |
ee98df3f JH |
449 | return -CONFIG_NO_SECTION_OR_NAME; |
450 | } | |
451 | ||
452 | baselen = last_dot - key; | |
453 | if (baselen_) | |
454 | *baselen_ = baselen; | |
455 | ||
456 | /* | |
457 | * Validate the key and while at it, lower case it for matching. | |
458 | */ | |
459 | if (store_key) | |
460 | *store_key = xmallocz(strlen(key)); | |
461 | ||
462 | dot = 0; | |
463 | for (i = 0; key[i]; i++) { | |
464 | unsigned char c = key[i]; | |
465 | if (c == '.') | |
466 | dot = 1; | |
467 | /* Leave the extended basename untouched.. */ | |
468 | if (!dot || i > baselen) { | |
469 | if (!iskeychar(c) || | |
470 | (i == baselen + 1 && !isalpha(c))) { | |
471 | if (!quiet) | |
a769bfc7 | 472 | error(_("invalid key: %s"), key); |
ee98df3f JH |
473 | goto out_free_ret_1; |
474 | } | |
475 | c = tolower(c); | |
476 | } else if (c == '\n') { | |
477 | if (!quiet) | |
a769bfc7 | 478 | error(_("invalid key (newline): %s"), key); |
ee98df3f JH |
479 | goto out_free_ret_1; |
480 | } | |
481 | if (store_key) | |
482 | (*store_key)[i] = c; | |
483 | } | |
484 | ||
485 | return 0; | |
486 | ||
487 | out_free_ret_1: | |
488 | if (store_key) { | |
6a83d902 | 489 | FREE_AND_NULL(*store_key); |
ee98df3f JH |
490 | } |
491 | return -CONFIG_INVALID_KEY; | |
492 | } | |
493 | ||
f011a965 | 494 | int git_config_parse_key(const char *key, char **store_key, size_t *baselen) |
ee98df3f JH |
495 | { |
496 | return git_config_parse_key_1(key, store_key, baselen, 0); | |
497 | } | |
498 | ||
499 | int git_config_key_is_valid(const char *key) | |
500 | { | |
501 | return !git_config_parse_key_1(key, NULL, NULL, 1); | |
502 | } | |
503 | ||
b342ae61 PS |
504 | static int config_parse_pair(const char *key, const char *value, |
505 | config_fn_t fn, void *data) | |
506 | { | |
507 | char *canonical_name; | |
508 | int ret; | |
509 | ||
510 | if (!strlen(key)) | |
511 | return error(_("empty config key")); | |
512 | if (git_config_parse_key(key, &canonical_name, NULL)) | |
513 | return -1; | |
514 | ||
515 | ret = (fn(canonical_name, value, data) < 0) ? -1 : 0; | |
516 | free(canonical_name); | |
517 | return ret; | |
518 | } | |
519 | ||
2496844b JK |
520 | int git_config_parse_parameter(const char *text, |
521 | config_fn_t fn, void *data) | |
8b1fa778 | 522 | { |
a789ca70 | 523 | const char *value; |
572e4f6a | 524 | struct strbuf **pair; |
1274a155 | 525 | int ret; |
a789ca70 | 526 | |
f77bccae | 527 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b | 528 | if (!pair[0]) |
a769bfc7 | 529 | return error(_("bogus config parameter: %s"), text); |
a789ca70 JH |
530 | |
531 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 532 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
533 | value = pair[1] ? pair[1]->buf : ""; |
534 | } else { | |
535 | value = NULL; | |
536 | } | |
537 | ||
572e4f6a AR |
538 | strbuf_trim(pair[0]); |
539 | if (!pair[0]->len) { | |
540 | strbuf_list_free(pair); | |
a769bfc7 | 541 | return error(_("bogus config parameter: %s"), text); |
8b1fa778 | 542 | } |
1274a155 | 543 | |
b342ae61 | 544 | ret = config_parse_pair(pair[0]->buf, value, fn, data); |
572e4f6a | 545 | strbuf_list_free(pair); |
1274a155 | 546 | return ret; |
8b1fa778 AR |
547 | } |
548 | ||
f9dbb64f JK |
549 | static int parse_config_env_list(char *env, config_fn_t fn, void *data) |
550 | { | |
551 | char *cur = env; | |
552 | while (cur && *cur) { | |
553 | const char *key = sq_dequote_step(cur, &cur); | |
554 | if (!key) | |
555 | return error(_("bogus format in %s"), | |
556 | CONFIG_DATA_ENVIRONMENT); | |
557 | ||
558 | if (!cur || isspace(*cur)) { | |
559 | /* old-style 'key=value' */ | |
560 | if (git_config_parse_parameter(key, fn, data) < 0) | |
561 | return -1; | |
562 | } | |
563 | else if (*cur == '=') { | |
564 | /* new-style 'key'='value' */ | |
565 | const char *value; | |
566 | ||
567 | cur++; | |
568 | if (*cur == '\'') { | |
569 | /* quoted value */ | |
570 | value = sq_dequote_step(cur, &cur); | |
571 | if (!value || (cur && !isspace(*cur))) { | |
572 | return error(_("bogus format in %s"), | |
573 | CONFIG_DATA_ENVIRONMENT); | |
574 | } | |
575 | } else if (!*cur || isspace(*cur)) { | |
576 | /* implicit bool: 'key'= */ | |
577 | value = NULL; | |
578 | } else { | |
579 | return error(_("bogus format in %s"), | |
580 | CONFIG_DATA_ENVIRONMENT); | |
581 | } | |
582 | ||
583 | if (config_parse_pair(key, value, fn, data) < 0) | |
584 | return -1; | |
585 | } | |
586 | else { | |
587 | /* unknown format */ | |
588 | return error(_("bogus format in %s"), | |
589 | CONFIG_DATA_ENVIRONMENT); | |
590 | } | |
591 | ||
592 | if (cur) { | |
593 | while (isspace(*cur)) | |
594 | cur++; | |
595 | } | |
596 | } | |
597 | return 0; | |
598 | } | |
599 | ||
06eb708f JK |
600 | int git_config_from_parameters(config_fn_t fn, void *data) |
601 | { | |
d8d77153 PS |
602 | const char *env; |
603 | struct strbuf envvar = STRBUF_INIT; | |
604 | struct strvec to_free = STRVEC_INIT; | |
a77d6db6 | 605 | int ret = 0; |
d8d77153 | 606 | char *envw = NULL; |
3258258f | 607 | struct config_source source; |
2b64fc89 | 608 | |
3258258f JK |
609 | memset(&source, 0, sizeof(source)); |
610 | source.prev = cf; | |
1b8132d9 | 611 | source.origin_type = CONFIG_ORIGIN_CMDLINE; |
3258258f JK |
612 | cf = &source; |
613 | ||
d8d77153 PS |
614 | env = getenv(CONFIG_COUNT_ENVIRONMENT); |
615 | if (env) { | |
616 | unsigned long count; | |
617 | char *endp; | |
618 | int i; | |
2b64fc89 | 619 | |
d8d77153 PS |
620 | count = strtoul(env, &endp, 10); |
621 | if (*endp) { | |
622 | ret = error(_("bogus count in %s"), CONFIG_COUNT_ENVIRONMENT); | |
623 | goto out; | |
624 | } | |
625 | if (count > INT_MAX) { | |
626 | ret = error(_("too many entries in %s"), CONFIG_COUNT_ENVIRONMENT); | |
627 | goto out; | |
628 | } | |
629 | ||
630 | for (i = 0; i < count; i++) { | |
631 | const char *key, *value; | |
632 | ||
633 | strbuf_addf(&envvar, "GIT_CONFIG_KEY_%d", i); | |
634 | key = getenv_safe(&to_free, envvar.buf); | |
635 | if (!key) { | |
636 | ret = error(_("missing config key %s"), envvar.buf); | |
637 | goto out; | |
638 | } | |
639 | strbuf_reset(&envvar); | |
640 | ||
641 | strbuf_addf(&envvar, "GIT_CONFIG_VALUE_%d", i); | |
642 | value = getenv_safe(&to_free, envvar.buf); | |
643 | if (!value) { | |
644 | ret = error(_("missing config value %s"), envvar.buf); | |
645 | goto out; | |
646 | } | |
647 | strbuf_reset(&envvar); | |
648 | ||
649 | if (config_parse_pair(key, value, fn, data) < 0) { | |
650 | ret = -1; | |
651 | goto out; | |
652 | } | |
653 | } | |
2b64fc89 JK |
654 | } |
655 | ||
d8d77153 PS |
656 | env = getenv(CONFIG_DATA_ENVIRONMENT); |
657 | if (env) { | |
658 | /* sq_dequote will write over it */ | |
659 | envw = xstrdup(env); | |
660 | if (parse_config_env_list(envw, fn, data) < 0) { | |
a77d6db6 JK |
661 | ret = -1; |
662 | goto out; | |
2b64fc89 JK |
663 | } |
664 | } | |
665 | ||
a77d6db6 | 666 | out: |
d8d77153 PS |
667 | strbuf_release(&envvar); |
668 | strvec_clear(&to_free); | |
2b64fc89 | 669 | free(envw); |
3258258f | 670 | cf = source.prev; |
a77d6db6 | 671 | return ret; |
2b64fc89 JK |
672 | } |
673 | ||
17712991 LT |
674 | static int get_next_char(void) |
675 | { | |
49d6cfa5 | 676 | int c = cf->do_fgetc(cf); |
17712991 | 677 | |
dbb9a812 HV |
678 | if (c == '\r') { |
679 | /* DOS like systems */ | |
49d6cfa5 | 680 | c = cf->do_fgetc(cf); |
dbb9a812 | 681 | if (c != '\n') { |
5e0be134 JK |
682 | if (c != EOF) |
683 | cf->do_ungetc(c, cf); | |
dbb9a812 | 684 | c = '\r'; |
17712991 LT |
685 | } |
686 | } | |
348482de JK |
687 | |
688 | if (c != EOF && ++cf->total_len > INT_MAX) { | |
689 | /* | |
690 | * This is an absurdly long config file; refuse to parse | |
691 | * further in order to protect downstream code from integer | |
692 | * overflows. Note that we can't return an error specifically, | |
693 | * but we can mark EOF and put trash in the return value, | |
694 | * which will trigger a parse error. | |
695 | */ | |
696 | cf->eof = 1; | |
697 | return 0; | |
698 | } | |
699 | ||
dbb9a812 HV |
700 | if (c == '\n') |
701 | cf->linenr++; | |
702 | if (c == EOF) { | |
703 | cf->eof = 1; | |
b3b3f60b | 704 | cf->linenr++; |
dbb9a812 HV |
705 | c = '\n'; |
706 | } | |
17712991 LT |
707 | return c; |
708 | } | |
709 | ||
710 | static char *parse_value(void) | |
711 | { | |
e96c19c5 | 712 | int quote = 0, comment = 0, space = 0; |
17712991 | 713 | |
924aaf3e | 714 | strbuf_reset(&cf->value); |
17712991 LT |
715 | for (;;) { |
716 | int c = get_next_char(); | |
17712991 | 717 | if (c == '\n') { |
4b340593 MS |
718 | if (quote) { |
719 | cf->linenr--; | |
17712991 | 720 | return NULL; |
4b340593 | 721 | } |
924aaf3e | 722 | return cf->value.buf; |
17712991 LT |
723 | } |
724 | if (comment) | |
725 | continue; | |
726 | if (isspace(c) && !quote) { | |
924aaf3e | 727 | if (cf->value.len) |
ebdaae37 | 728 | space++; |
17712991 LT |
729 | continue; |
730 | } | |
7ebdba61 JS |
731 | if (!quote) { |
732 | if (c == ';' || c == '#') { | |
733 | comment = 1; | |
734 | continue; | |
735 | } | |
736 | } | |
ebdaae37 | 737 | for (; space; space--) |
924aaf3e | 738 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
739 | if (c == '\\') { |
740 | c = get_next_char(); | |
741 | switch (c) { | |
742 | case '\n': | |
743 | continue; | |
744 | case 't': | |
745 | c = '\t'; | |
746 | break; | |
747 | case 'b': | |
748 | c = '\b'; | |
749 | break; | |
750 | case 'n': | |
751 | c = '\n'; | |
752 | break; | |
5cbb401d LT |
753 | /* Some characters escape as themselves */ |
754 | case '\\': case '"': | |
755 | break; | |
756 | /* Reject unknown escape sequences */ | |
757 | default: | |
758 | return NULL; | |
17712991 | 759 | } |
924aaf3e | 760 | strbuf_addch(&cf->value, c); |
17712991 LT |
761 | continue; |
762 | } | |
763 | if (c == '"') { | |
764 | quote = 1-quote; | |
765 | continue; | |
766 | } | |
924aaf3e | 767 | strbuf_addch(&cf->value, c); |
17712991 LT |
768 | } |
769 | } | |
770 | ||
0971e992 | 771 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
772 | { |
773 | int c; | |
774 | char *value; | |
b3b3f60b | 775 | int ret; |
17712991 LT |
776 | |
777 | /* Get the full name */ | |
778 | for (;;) { | |
779 | c = get_next_char(); | |
924aaf3e | 780 | if (cf->eof) |
17712991 | 781 | break; |
38c5afa8 | 782 | if (!iskeychar(c)) |
17712991 | 783 | break; |
0971e992 | 784 | strbuf_addch(name, tolower(c)); |
17712991 | 785 | } |
0971e992 | 786 | |
17712991 LT |
787 | while (c == ' ' || c == '\t') |
788 | c = get_next_char(); | |
789 | ||
790 | value = NULL; | |
791 | if (c != '\n') { | |
792 | if (c != '=') | |
793 | return -1; | |
794 | value = parse_value(); | |
795 | if (!value) | |
796 | return -1; | |
797 | } | |
b3b3f60b MM |
798 | /* |
799 | * We already consumed the \n, but we need linenr to point to | |
800 | * the line we just parsed during the call to fn to get | |
801 | * accurate line number in error messages. | |
802 | */ | |
803 | cf->linenr--; | |
804 | ret = fn(name->buf, value, data); | |
e2e14251 JS |
805 | if (ret >= 0) |
806 | cf->linenr++; | |
b3b3f60b | 807 | return ret; |
17712991 LT |
808 | } |
809 | ||
0971e992 | 810 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 | 811 | { |
2d84f13d | 812 | cf->subsection_case_sensitive = 0; |
d14f7764 LT |
813 | do { |
814 | if (c == '\n') | |
4b340593 | 815 | goto error_incomplete_line; |
d14f7764 LT |
816 | c = get_next_char(); |
817 | } while (isspace(c)); | |
818 | ||
819 | /* We require the format to be '[base "extension"]' */ | |
820 | if (c != '"') | |
821 | return -1; | |
0971e992 | 822 | strbuf_addch(name, '.'); |
d14f7764 LT |
823 | |
824 | for (;;) { | |
825 | int c = get_next_char(); | |
826 | if (c == '\n') | |
4b340593 | 827 | goto error_incomplete_line; |
d14f7764 LT |
828 | if (c == '"') |
829 | break; | |
830 | if (c == '\\') { | |
831 | c = get_next_char(); | |
832 | if (c == '\n') | |
4b340593 | 833 | goto error_incomplete_line; |
d14f7764 | 834 | } |
0971e992 | 835 | strbuf_addch(name, c); |
d14f7764 LT |
836 | } |
837 | ||
838 | /* Final ']' */ | |
839 | if (get_next_char() != ']') | |
840 | return -1; | |
0971e992 | 841 | return 0; |
4b340593 MS |
842 | error_incomplete_line: |
843 | cf->linenr--; | |
844 | return -1; | |
d14f7764 LT |
845 | } |
846 | ||
0971e992 | 847 | static int get_base_var(struct strbuf *name) |
17712991 | 848 | { |
2d84f13d | 849 | cf->subsection_case_sensitive = 1; |
17712991 LT |
850 | for (;;) { |
851 | int c = get_next_char(); | |
924aaf3e | 852 | if (cf->eof) |
17712991 LT |
853 | return -1; |
854 | if (c == ']') | |
0971e992 | 855 | return 0; |
d14f7764 | 856 | if (isspace(c)) |
0971e992 | 857 | return get_extended_base_var(name, c); |
38c5afa8 | 858 | if (!iskeychar(c) && c != '.') |
17712991 | 859 | return -1; |
0971e992 | 860 | strbuf_addch(name, tolower(c)); |
17712991 LT |
861 | } |
862 | } | |
863 | ||
8032cc44 JS |
864 | struct parse_event_data { |
865 | enum config_event_t previous_type; | |
866 | size_t previous_offset; | |
867 | const struct config_options *opts; | |
868 | }; | |
869 | ||
870 | static int do_event(enum config_event_t type, struct parse_event_data *data) | |
871 | { | |
872 | size_t offset; | |
873 | ||
874 | if (!data->opts || !data->opts->event_fn) | |
875 | return 0; | |
876 | ||
877 | if (type == CONFIG_EVENT_WHITESPACE && | |
878 | data->previous_type == type) | |
879 | return 0; | |
880 | ||
881 | offset = cf->do_ftell(cf); | |
882 | /* | |
883 | * At EOF, the parser always "inserts" an extra '\n', therefore | |
884 | * the end offset of the event is the current file position, otherwise | |
885 | * we will already have advanced to the next event. | |
886 | */ | |
887 | if (type != CONFIG_EVENT_EOF) | |
888 | offset--; | |
889 | ||
890 | if (data->previous_type != CONFIG_EVENT_EOF && | |
891 | data->opts->event_fn(data->previous_type, data->previous_offset, | |
892 | offset, data->opts->event_fn_data) < 0) | |
893 | return -1; | |
894 | ||
895 | data->previous_type = type; | |
896 | data->previous_offset = offset; | |
897 | ||
898 | return 0; | |
899 | } | |
900 | ||
901 | static int git_parse_source(config_fn_t fn, void *data, | |
902 | const struct config_options *opts) | |
17712991 LT |
903 | { |
904 | int comment = 0; | |
6a9c235e | 905 | size_t baselen = 0; |
0971e992 | 906 | struct strbuf *var = &cf->var; |
1b8132d9 VA |
907 | int error_return = 0; |
908 | char *error_msg = NULL; | |
17712991 | 909 | |
de056402 | 910 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 911 | const char *bomptr = utf8_bom; |
de056402 | 912 | |
8032cc44 JS |
913 | /* For the parser event callback */ |
914 | struct parse_event_data event_data = { | |
915 | CONFIG_EVENT_EOF, 0, opts | |
916 | }; | |
917 | ||
17712991 | 918 | for (;;) { |
8032cc44 JS |
919 | int c; |
920 | ||
921 | c = get_next_char(); | |
de056402 PB |
922 | if (bomptr && *bomptr) { |
923 | /* We are at the file beginning; skip UTF8-encoded BOM | |
924 | * if present. Sane editors won't put this in on their | |
925 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 926 | if (c == (*bomptr & 0377)) { |
de056402 PB |
927 | bomptr++; |
928 | continue; | |
929 | } else { | |
930 | /* Do not tolerate partial BOM. */ | |
931 | if (bomptr != utf8_bom) | |
932 | break; | |
933 | /* No BOM at file beginning. Cool. */ | |
934 | bomptr = NULL; | |
935 | } | |
936 | } | |
17712991 | 937 | if (c == '\n') { |
8032cc44 JS |
938 | if (cf->eof) { |
939 | if (do_event(CONFIG_EVENT_EOF, &event_data) < 0) | |
940 | return -1; | |
17712991 | 941 | return 0; |
8032cc44 JS |
942 | } |
943 | if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0) | |
944 | return -1; | |
17712991 LT |
945 | comment = 0; |
946 | continue; | |
947 | } | |
8032cc44 | 948 | if (comment) |
17712991 | 949 | continue; |
8032cc44 JS |
950 | if (isspace(c)) { |
951 | if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0) | |
952 | return -1; | |
17712991 | 953 | continue; |
8032cc44 | 954 | } |
17712991 | 955 | if (c == '#' || c == ';') { |
8032cc44 JS |
956 | if (do_event(CONFIG_EVENT_COMMENT, &event_data) < 0) |
957 | return -1; | |
17712991 LT |
958 | comment = 1; |
959 | continue; | |
960 | } | |
961 | if (c == '[') { | |
8032cc44 JS |
962 | if (do_event(CONFIG_EVENT_SECTION, &event_data) < 0) |
963 | return -1; | |
964 | ||
0971e992 BW |
965 | /* Reset prior to determining a new stem */ |
966 | strbuf_reset(var); | |
967 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 968 | break; |
0971e992 BW |
969 | strbuf_addch(var, '.'); |
970 | baselen = var->len; | |
17712991 LT |
971 | continue; |
972 | } | |
973 | if (!isalpha(c)) | |
974 | break; | |
8032cc44 JS |
975 | |
976 | if (do_event(CONFIG_EVENT_ENTRY, &event_data) < 0) | |
977 | return -1; | |
978 | ||
0971e992 BW |
979 | /* |
980 | * Truncate the var name back to the section header | |
981 | * stem prior to grabbing the suffix part of the name | |
982 | * and the value. | |
983 | */ | |
984 | strbuf_setlen(var, baselen); | |
985 | strbuf_addch(var, tolower(c)); | |
986 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
987 | break; |
988 | } | |
1b8132d9 | 989 | |
8032cc44 JS |
990 | if (do_event(CONFIG_EVENT_ERROR, &event_data) < 0) |
991 | return -1; | |
992 | ||
1b8132d9 VA |
993 | switch (cf->origin_type) { |
994 | case CONFIG_ORIGIN_BLOB: | |
995 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
996 | cf->linenr, cf->name); | |
997 | break; | |
998 | case CONFIG_ORIGIN_FILE: | |
999 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
1000 | cf->linenr, cf->name); | |
1001 | break; | |
1002 | case CONFIG_ORIGIN_STDIN: | |
1003 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
1004 | cf->linenr); | |
1005 | break; | |
1006 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
1007 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
1008 | cf->linenr, cf->name); | |
1009 | break; | |
1010 | case CONFIG_ORIGIN_CMDLINE: | |
1011 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
1012 | cf->linenr, cf->name); | |
1013 | break; | |
1014 | default: | |
1015 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
1016 | cf->linenr, cf->name); | |
1017 | } | |
1018 | ||
66f97228 JK |
1019 | switch (opts && opts->error_action ? |
1020 | opts->error_action : | |
1021 | cf->default_error_action) { | |
1022 | case CONFIG_ERROR_DIE: | |
1b8132d9 | 1023 | die("%s", error_msg); |
66f97228 JK |
1024 | break; |
1025 | case CONFIG_ERROR_ERROR: | |
1b8132d9 | 1026 | error_return = error("%s", error_msg); |
66f97228 | 1027 | break; |
63583203 JK |
1028 | case CONFIG_ERROR_SILENT: |
1029 | error_return = -1; | |
1030 | break; | |
66f97228 JK |
1031 | case CONFIG_ERROR_UNSET: |
1032 | BUG("config error action unset"); | |
1033 | } | |
1b8132d9 VA |
1034 | |
1035 | free(error_msg); | |
1036 | return error_return; | |
17712991 LT |
1037 | } |
1038 | ||
39c575c9 | 1039 | static uintmax_t get_unit_factor(const char *end) |
0b87b6e0 BD |
1040 | { |
1041 | if (!*end) | |
1042 | return 1; | |
39c575c9 RS |
1043 | else if (!strcasecmp(end, "k")) |
1044 | return 1024; | |
1045 | else if (!strcasecmp(end, "m")) | |
1046 | return 1024 * 1024; | |
1047 | else if (!strcasecmp(end, "g")) | |
1048 | return 1024 * 1024 * 1024; | |
c8deb5a1 | 1049 | return 0; |
0b87b6e0 BD |
1050 | } |
1051 | ||
7192777d | 1052 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
1053 | { |
1054 | if (value && *value) { | |
1055 | char *end; | |
ebaa1bd4 NA |
1056 | intmax_t val; |
1057 | uintmax_t uval; | |
664178e8 | 1058 | uintmax_t factor; |
ebaa1bd4 NA |
1059 | |
1060 | errno = 0; | |
1061 | val = strtoimax(value, &end, 0); | |
1062 | if (errno == ERANGE) | |
1063 | return 0; | |
39c575c9 RS |
1064 | factor = get_unit_factor(end); |
1065 | if (!factor) { | |
33fdd77e | 1066 | errno = EINVAL; |
c8deb5a1 | 1067 | return 0; |
33fdd77e | 1068 | } |
9dae4fe7 | 1069 | uval = val < 0 ? -val : val; |
3fb72c7b RS |
1070 | if (unsigned_mult_overflows(factor, uval) || |
1071 | factor * uval > max) { | |
33fdd77e | 1072 | errno = ERANGE; |
ebaa1bd4 | 1073 | return 0; |
33fdd77e | 1074 | } |
ebaa1bd4 NA |
1075 | val *= factor; |
1076 | *ret = val; | |
0b87b6e0 BD |
1077 | return 1; |
1078 | } | |
33fdd77e | 1079 | errno = EINVAL; |
0b87b6e0 BD |
1080 | return 0; |
1081 | } | |
1082 | ||
0b4dc661 | 1083 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
1084 | { |
1085 | if (value && *value) { | |
1086 | char *end; | |
ebaa1bd4 | 1087 | uintmax_t val; |
664178e8 | 1088 | uintmax_t factor; |
ebaa1bd4 NA |
1089 | |
1090 | errno = 0; | |
1091 | val = strtoumax(value, &end, 0); | |
1092 | if (errno == ERANGE) | |
1093 | return 0; | |
39c575c9 RS |
1094 | factor = get_unit_factor(end); |
1095 | if (!factor) { | |
33fdd77e | 1096 | errno = EINVAL; |
c8deb5a1 | 1097 | return 0; |
33fdd77e | 1098 | } |
3fb72c7b RS |
1099 | if (unsigned_mult_overflows(factor, val) || |
1100 | factor * val > max) { | |
33fdd77e | 1101 | errno = ERANGE; |
ebaa1bd4 | 1102 | return 0; |
33fdd77e | 1103 | } |
3fb72c7b | 1104 | val *= factor; |
c8deb5a1 | 1105 | *ret = val; |
0b87b6e0 | 1106 | return 1; |
17712991 | 1107 | } |
33fdd77e | 1108 | errno = EINVAL; |
0b87b6e0 BD |
1109 | return 0; |
1110 | } | |
1111 | ||
42d194e9 | 1112 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 1113 | { |
7192777d | 1114 | intmax_t tmp; |
42d194e9 | 1115 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
1116 | return 0; |
1117 | *ret = tmp; | |
1118 | return 1; | |
1119 | } | |
1120 | ||
00160242 JK |
1121 | static int git_parse_int64(const char *value, int64_t *ret) |
1122 | { | |
1123 | intmax_t tmp; | |
1124 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
1125 | return 0; | |
1126 | *ret = tmp; | |
1127 | return 1; | |
1128 | } | |
1129 | ||
7192777d JK |
1130 | int git_parse_ulong(const char *value, unsigned long *ret) |
1131 | { | |
1132 | uintmax_t tmp; | |
1133 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
1134 | return 0; | |
1135 | *ret = tmp; | |
1136 | return 1; | |
1137 | } | |
1138 | ||
c79edf73 | 1139 | int git_parse_ssize_t(const char *value, ssize_t *ret) |
37ee680d DT |
1140 | { |
1141 | intmax_t tmp; | |
1142 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t))) | |
1143 | return 0; | |
1144 | *ret = tmp; | |
1145 | return 1; | |
1146 | } | |
1147 | ||
06bdc23b | 1148 | NORETURN |
2f666581 | 1149 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 1150 | { |
2e43cd4c ÆAB |
1151 | const char *error_type = (errno == ERANGE) ? |
1152 | N_("out of range") : N_("invalid unit"); | |
1153 | const char *bad_numeric = N_("bad numeric config value '%s' for '%s': %s"); | |
078fe305 | 1154 | |
2f666581 JK |
1155 | if (!value) |
1156 | value = ""; | |
1157 | ||
1b8132d9 | 1158 | if (!(cf && cf->name)) |
2e43cd4c | 1159 | die(_(bad_numeric), value, name, _(error_type)); |
1b8132d9 VA |
1160 | |
1161 | switch (cf->origin_type) { | |
1162 | case CONFIG_ORIGIN_BLOB: | |
078fe305 | 1163 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
2e43cd4c | 1164 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1165 | case CONFIG_ORIGIN_FILE: |
078fe305 | 1166 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
2e43cd4c | 1167 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1168 | case CONFIG_ORIGIN_STDIN: |
078fe305 | 1169 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
2e43cd4c | 1170 | value, name, _(error_type)); |
1b8132d9 | 1171 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 | 1172 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
2e43cd4c | 1173 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1174 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 | 1175 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
2e43cd4c | 1176 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1177 | default: |
078fe305 | 1178 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
2e43cd4c | 1179 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1180 | } |
c1867cea JK |
1181 | } |
1182 | ||
0b87b6e0 BD |
1183 | int git_config_int(const char *name, const char *value) |
1184 | { | |
42d194e9 JK |
1185 | int ret; |
1186 | if (!git_parse_int(value, &ret)) | |
2f666581 | 1187 | die_bad_number(name, value); |
0b87b6e0 BD |
1188 | return ret; |
1189 | } | |
1190 | ||
00160242 JK |
1191 | int64_t git_config_int64(const char *name, const char *value) |
1192 | { | |
1193 | int64_t ret; | |
1194 | if (!git_parse_int64(value, &ret)) | |
1195 | die_bad_number(name, value); | |
0b87b6e0 BD |
1196 | return ret; |
1197 | } | |
1198 | ||
1199 | unsigned long git_config_ulong(const char *name, const char *value) | |
1200 | { | |
1201 | unsigned long ret; | |
1202 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 1203 | die_bad_number(name, value); |
0b87b6e0 | 1204 | return ret; |
17712991 LT |
1205 | } |
1206 | ||
37ee680d DT |
1207 | ssize_t git_config_ssize_t(const char *name, const char *value) |
1208 | { | |
1209 | ssize_t ret; | |
1210 | if (!git_parse_ssize_t(value, &ret)) | |
1211 | die_bad_number(name, value); | |
1212 | return ret; | |
1213 | } | |
1214 | ||
9be04d64 | 1215 | static int git_parse_maybe_bool_text(const char *value) |
17712991 LT |
1216 | { |
1217 | if (!value) | |
1218 | return 1; | |
1219 | if (!*value) | |
1220 | return 0; | |
8420ccd8 JH |
1221 | if (!strcasecmp(value, "true") |
1222 | || !strcasecmp(value, "yes") | |
1223 | || !strcasecmp(value, "on")) | |
17712991 | 1224 | return 1; |
8420ccd8 JH |
1225 | if (!strcasecmp(value, "false") |
1226 | || !strcasecmp(value, "no") | |
1227 | || !strcasecmp(value, "off")) | |
17712991 | 1228 | return 0; |
8420ccd8 JH |
1229 | return -1; |
1230 | } | |
1231 | ||
9be04d64 | 1232 | int git_parse_maybe_bool(const char *value) |
b2be2f6a | 1233 | { |
9be04d64 | 1234 | int v = git_parse_maybe_bool_text(value); |
b2be2f6a JK |
1235 | if (0 <= v) |
1236 | return v; | |
42d194e9 | 1237 | if (git_parse_int(value, &v)) |
db6195ef | 1238 | return !!v; |
b2be2f6a JK |
1239 | return -1; |
1240 | } | |
1241 | ||
8420ccd8 JH |
1242 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
1243 | { | |
9be04d64 | 1244 | int v = git_parse_maybe_bool_text(value); |
8420ccd8 JH |
1245 | if (0 <= v) { |
1246 | *is_bool = 1; | |
1247 | return v; | |
1248 | } | |
a53f2ec6 | 1249 | *is_bool = 0; |
c35b0b58 | 1250 | return git_config_int(name, value); |
17712991 LT |
1251 | } |
1252 | ||
a53f2ec6 JH |
1253 | int git_config_bool(const char *name, const char *value) |
1254 | { | |
1255 | int discard; | |
c35b0b58 | 1256 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
1257 | } |
1258 | ||
ea5105a5 CC |
1259 | int git_config_string(const char **dest, const char *var, const char *value) |
1260 | { | |
1261 | if (!value) | |
1262 | return config_error_nonbool(var); | |
1263 | *dest = xstrdup(value); | |
1264 | return 0; | |
1265 | } | |
1266 | ||
395de250 MM |
1267 | int git_config_pathname(const char **dest, const char *var, const char *value) |
1268 | { | |
1269 | if (!value) | |
1270 | return config_error_nonbool(var); | |
4aad2f16 | 1271 | *dest = expand_user_path(value, 0); |
395de250 | 1272 | if (!*dest) |
8262aaa2 | 1273 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
1274 | return 0; |
1275 | } | |
1276 | ||
5f967424 HM |
1277 | int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value) |
1278 | { | |
1279 | if (!value) | |
1280 | return config_error_nonbool(var); | |
1281 | if (parse_expiry_date(value, timestamp)) | |
1282 | return error(_("'%s' for '%s' is not a valid timestamp"), | |
1283 | value, var); | |
1284 | return 0; | |
1285 | } | |
1286 | ||
6d2f9acc TB |
1287 | int git_config_color(char *dest, const char *var, const char *value) |
1288 | { | |
1289 | if (!value) | |
1290 | return config_error_nonbool(var); | |
1291 | if (color_parse(value, dest) < 0) | |
1292 | return -1; | |
1293 | return 0; | |
1294 | } | |
1295 | ||
70fc5793 | 1296 | static int git_default_core_config(const char *var, const char *value, void *cb) |
17712991 LT |
1297 | { |
1298 | /* This needs a better name */ | |
1299 | if (!strcmp(var, "core.filemode")) { | |
1300 | trust_executable_bit = git_config_bool(var, value); | |
1301 | return 0; | |
1302 | } | |
1ce4790b AR |
1303 | if (!strcmp(var, "core.trustctime")) { |
1304 | trust_ctime = git_config_bool(var, value); | |
1305 | return 0; | |
1306 | } | |
c1b5d738 | 1307 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
1308 | if (!strcasecmp(value, "default")) |
1309 | check_stat = 1; | |
1310 | else if (!strcasecmp(value, "minimal")) | |
1311 | check_stat = 0; | |
1312 | } | |
17712991 | 1313 | |
9378c161 JH |
1314 | if (!strcmp(var, "core.quotepath")) { |
1315 | quote_path_fully = git_config_bool(var, value); | |
1316 | return 0; | |
1317 | } | |
1318 | ||
78a8d641 JS |
1319 | if (!strcmp(var, "core.symlinks")) { |
1320 | has_symlinks = git_config_bool(var, value); | |
1321 | return 0; | |
1322 | } | |
1323 | ||
0a9b88b7 LT |
1324 | if (!strcmp(var, "core.ignorecase")) { |
1325 | ignore_case = git_config_bool(var, value); | |
1326 | return 0; | |
1327 | } | |
1328 | ||
64589a03 JH |
1329 | if (!strcmp(var, "core.attributesfile")) |
1330 | return git_config_pathname(&git_attributes_file, var, value); | |
1331 | ||
867ad08a ÆAB |
1332 | if (!strcmp(var, "core.hookspath")) |
1333 | return git_config_pathname(&git_hooks_path, var, value); | |
1334 | ||
7d1864ce JH |
1335 | if (!strcmp(var, "core.bare")) { |
1336 | is_bare_repository_cfg = git_config_bool(var, value); | |
1337 | return 0; | |
1338 | } | |
1339 | ||
5f73076c JH |
1340 | if (!strcmp(var, "core.ignorestat")) { |
1341 | assume_unchanged = git_config_bool(var, value); | |
1342 | return 0; | |
1343 | } | |
1344 | ||
e388c738 JH |
1345 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
1346 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
1347 | return 0; |
1348 | } | |
1349 | ||
6de08ae6 | 1350 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
1351 | if (value && !strcasecmp(value, "always")) |
1352 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
1353 | else if (git_config_bool(var, value)) | |
1354 | log_all_ref_updates = LOG_REFS_NORMAL; | |
1355 | else | |
1356 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
1357 | return 0; |
1358 | } | |
1359 | ||
2f8acdb3 JH |
1360 | if (!strcmp(var, "core.warnambiguousrefs")) { |
1361 | warn_ambiguous_refs = git_config_bool(var, value); | |
1362 | return 0; | |
1363 | } | |
1364 | ||
a71f09fe | 1365 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
1366 | if (!value) |
1367 | return config_error_nonbool(var); | |
1368 | if (!strcasecmp(value, "auto")) | |
1369 | default_abbrev = -1; | |
a9ecaa06 EW |
1370 | else if (!git_parse_maybe_bool_text(value)) |
1371 | default_abbrev = the_hash_algo->hexsz; | |
48d5014d JH |
1372 | else { |
1373 | int abbrev = git_config_int(var, value); | |
fe9fec45 | 1374 | if (abbrev < minimum_abbrev || abbrev > the_hash_algo->hexsz) |
a769bfc7 | 1375 | return error(_("abbrev length out of range: %d"), abbrev); |
48d5014d JH |
1376 | default_abbrev = abbrev; |
1377 | } | |
dce96489 LT |
1378 | return 0; |
1379 | } | |
1380 | ||
5b33cb1f JK |
1381 | if (!strcmp(var, "core.disambiguate")) |
1382 | return set_disambiguate_hint_config(var, value); | |
1383 | ||
960ccca6 | 1384 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
1385 | int level = git_config_int(var, value); |
1386 | if (level == -1) | |
1387 | level = Z_DEFAULT_COMPRESSION; | |
1388 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1389 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 1390 | zlib_compression_level = level; |
960ccca6 DH |
1391 | zlib_compression_seen = 1; |
1392 | return 0; | |
1393 | } | |
1394 | ||
1395 | if (!strcmp(var, "core.compression")) { | |
1396 | int level = git_config_int(var, value); | |
1397 | if (level == -1) | |
1398 | level = Z_DEFAULT_COMPRESSION; | |
1399 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1400 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
1401 | core_compression_level = level; |
1402 | core_compression_seen = 1; | |
1403 | if (!zlib_compression_seen) | |
1404 | zlib_compression_level = level; | |
8de7eeb5 JH |
1405 | if (!pack_compression_seen) |
1406 | pack_compression_level = level; | |
12f6c308 JBH |
1407 | return 0; |
1408 | } | |
1409 | ||
60bb8b14 | 1410 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 1411 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 1412 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
1413 | |
1414 | /* This value must be multiple of (pagesize * 2) */ | |
1415 | packed_git_window_size /= pgsz_x2; | |
1416 | if (packed_git_window_size < 1) | |
1417 | packed_git_window_size = 1; | |
1418 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
1419 | return 0; |
1420 | } | |
1421 | ||
15366280 | 1422 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 1423 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
1424 | return 0; |
1425 | } | |
1426 | ||
77ccc5bb | 1427 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 1428 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
1429 | return 0; |
1430 | } | |
1431 | ||
18bdec11 | 1432 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 1433 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
1434 | return 0; |
1435 | } | |
1436 | ||
6c510bee | 1437 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 1438 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 1439 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
1440 | return 0; |
1441 | } | |
6c510bee LT |
1442 | auto_crlf = git_config_bool(var, value); |
1443 | return 0; | |
1444 | } | |
1445 | ||
21e5ad50 | 1446 | if (!strcmp(var, "core.safecrlf")) { |
8462ff43 | 1447 | int eol_rndtrp_die; |
21e5ad50 | 1448 | if (value && !strcasecmp(value, "warn")) { |
8462ff43 | 1449 | global_conv_flags_eol = CONV_EOL_RNDTRP_WARN; |
21e5ad50 SP |
1450 | return 0; |
1451 | } | |
8462ff43 TB |
1452 | eol_rndtrp_die = git_config_bool(var, value); |
1453 | global_conv_flags_eol = eol_rndtrp_die ? | |
6cb09125 | 1454 | CONV_EOL_RNDTRP_DIE : 0; |
21e5ad50 SP |
1455 | return 0; |
1456 | } | |
1457 | ||
942e7747 EB |
1458 | if (!strcmp(var, "core.eol")) { |
1459 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 1460 | core_eol = EOL_LF; |
942e7747 | 1461 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 1462 | core_eol = EOL_CRLF; |
942e7747 | 1463 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 1464 | core_eol = EOL_NATIVE; |
942e7747 | 1465 | else |
ec70f52f | 1466 | core_eol = EOL_UNSET; |
942e7747 EB |
1467 | return 0; |
1468 | } | |
1469 | ||
e92d6225 LS |
1470 | if (!strcmp(var, "core.checkroundtripencoding")) { |
1471 | check_roundtrip_encoding = xstrdup(value); | |
1472 | return 0; | |
1473 | } | |
1474 | ||
a97a7468 JS |
1475 | if (!strcmp(var, "core.notesref")) { |
1476 | notes_ref_name = xstrdup(value); | |
1477 | return 0; | |
1478 | } | |
1479 | ||
806e2ad7 LT |
1480 | if (!strcmp(var, "core.editor")) |
1481 | return git_config_string(&editor_program, var, value); | |
1482 | ||
eff80a9f | 1483 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
1484 | if (!value) |
1485 | return config_error_nonbool(var); | |
ad524f83 | 1486 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 1487 | auto_comment_line_char = 1; |
ad524f83 | 1488 | else if (value[0] && !value[1]) { |
649409b7 | 1489 | comment_line_char = value[0]; |
84c9dc2c | 1490 | auto_comment_line_char = 0; |
50b54fd7 | 1491 | } else |
a769bfc7 | 1492 | return error(_("core.commentChar should only be one character")); |
50b54fd7 | 1493 | return 0; |
eff80a9f JH |
1494 | } |
1495 | ||
d3e7da89 AK |
1496 | if (!strcmp(var, "core.askpass")) |
1497 | return git_config_string(&askpass_program, var, value); | |
1498 | ||
806e2ad7 | 1499 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 1500 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
1501 | |
1502 | if (!strcmp(var, "core.whitespace")) { | |
1503 | if (!value) | |
1504 | return config_error_nonbool(var); | |
1505 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
1506 | return 0; | |
1507 | } | |
1508 | ||
aafe9fba LT |
1509 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
1510 | fsync_object_files = git_config_bool(var, value); | |
1511 | return 0; | |
1512 | } | |
1513 | ||
671c9b7e LT |
1514 | if (!strcmp(var, "core.preloadindex")) { |
1515 | core_preload_index = git_config_bool(var, value); | |
1516 | return 0; | |
1517 | } | |
1518 | ||
348df166 JS |
1519 | if (!strcmp(var, "core.createobject")) { |
1520 | if (!strcmp(value, "rename")) | |
1521 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
1522 | else if (!strcmp(value, "link")) | |
1523 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
1524 | else | |
8262aaa2 | 1525 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
1526 | return 0; |
1527 | } | |
1528 | ||
08aefc9e NTND |
1529 | if (!strcmp(var, "core.sparsecheckout")) { |
1530 | core_apply_sparse_checkout = git_config_bool(var, value); | |
1531 | return 0; | |
1532 | } | |
1533 | ||
879321eb DS |
1534 | if (!strcmp(var, "core.sparsecheckoutcone")) { |
1535 | core_sparse_checkout_cone = git_config_bool(var, value); | |
1536 | return 0; | |
1537 | } | |
1538 | ||
76759c7d TB |
1539 | if (!strcmp(var, "core.precomposeunicode")) { |
1540 | precomposed_unicode = git_config_bool(var, value); | |
1541 | return 0; | |
1542 | } | |
1543 | ||
a42643aa JK |
1544 | if (!strcmp(var, "core.protecthfs")) { |
1545 | protect_hfs = git_config_bool(var, value); | |
1546 | return 0; | |
1547 | } | |
1548 | ||
2b4c6efc JS |
1549 | if (!strcmp(var, "core.protectntfs")) { |
1550 | protect_ntfs = git_config_bool(var, value); | |
1551 | return 0; | |
76759c7d TB |
1552 | } |
1553 | ||
da4398d6 JK |
1554 | if (!strcmp(var, "core.usereplacerefs")) { |
1555 | read_replace_refs = git_config_bool(var, value); | |
1556 | return 0; | |
1557 | } | |
1558 | ||
806e2ad7 | 1559 | /* Add other config variables here and to Documentation/config.txt. */ |
70fc5793 | 1560 | return platform_core_config(var, value, cb); |
806e2ad7 LT |
1561 | } |
1562 | ||
1141f492 | 1563 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1564 | { |
ea5105a5 CC |
1565 | if (!strcmp(var, "i18n.commitencoding")) |
1566 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1567 | |
ea5105a5 CC |
1568 | if (!strcmp(var, "i18n.logoutputencoding")) |
1569 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1570 | |
1141f492 LT |
1571 | /* Add other config variables here and to Documentation/config.txt. */ |
1572 | return 0; | |
1573 | } | |
039bc64e | 1574 | |
1141f492 LT |
1575 | static int git_default_branch_config(const char *var, const char *value) |
1576 | { | |
9ed36cfa JS |
1577 | if (!strcmp(var, "branch.autosetupmerge")) { |
1578 | if (value && !strcasecmp(value, "always")) { | |
1579 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
1580 | return 0; | |
1581 | } | |
1582 | git_branch_track = git_config_bool(var, value); | |
1583 | return 0; | |
1584 | } | |
c998ae9b DS |
1585 | if (!strcmp(var, "branch.autosetuprebase")) { |
1586 | if (!value) | |
1587 | return config_error_nonbool(var); | |
1588 | else if (!strcmp(value, "never")) | |
1589 | autorebase = AUTOREBASE_NEVER; | |
1590 | else if (!strcmp(value, "local")) | |
1591 | autorebase = AUTOREBASE_LOCAL; | |
1592 | else if (!strcmp(value, "remote")) | |
1593 | autorebase = AUTOREBASE_REMOTE; | |
1594 | else if (!strcmp(value, "always")) | |
1595 | autorebase = AUTOREBASE_ALWAYS; | |
1596 | else | |
a769bfc7 | 1597 | return error(_("malformed value for %s"), var); |
c998ae9b DS |
1598 | return 0; |
1599 | } | |
a9cc857a | 1600 | |
1ab661dd | 1601 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1602 | return 0; |
1603 | } | |
1604 | ||
52153747 FAG |
1605 | static int git_default_push_config(const char *var, const char *value) |
1606 | { | |
1607 | if (!strcmp(var, "push.default")) { | |
1608 | if (!value) | |
1609 | return config_error_nonbool(var); | |
1610 | else if (!strcmp(value, "nothing")) | |
1611 | push_default = PUSH_DEFAULT_NOTHING; | |
1612 | else if (!strcmp(value, "matching")) | |
1613 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1614 | else if (!strcmp(value, "simple")) |
1615 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1616 | else if (!strcmp(value, "upstream")) |
1617 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1618 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1619 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1620 | else if (!strcmp(value, "current")) |
1621 | push_default = PUSH_DEFAULT_CURRENT; | |
1622 | else { | |
a769bfc7 NTND |
1623 | error(_("malformed value for %s: %s"), var, value); |
1624 | return error(_("must be one of nothing, matching, simple, " | |
1625 | "upstream or current")); | |
52153747 FAG |
1626 | } |
1627 | return 0; | |
1628 | } | |
1629 | ||
1630 | /* Add other config variables here and to Documentation/config.txt. */ | |
1631 | return 0; | |
1632 | } | |
1633 | ||
d551a488 MSO |
1634 | static int git_default_mailmap_config(const char *var, const char *value) |
1635 | { | |
1636 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1637 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1638 | if (!strcmp(var, "mailmap.blob")) |
1639 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1640 | |
1641 | /* Add other config variables here and to Documentation/config.txt. */ | |
1642 | return 0; | |
1643 | } | |
1644 | ||
409670f3 | 1645 | int git_default_config(const char *var, const char *value, void *cb) |
1141f492 | 1646 | { |
59556548 | 1647 | if (starts_with(var, "core.")) |
70fc5793 | 1648 | return git_default_core_config(var, value, cb); |
1141f492 | 1649 | |
39ab4d09 WH |
1650 | if (starts_with(var, "user.") || |
1651 | starts_with(var, "author.") || | |
1652 | starts_with(var, "committer.")) | |
409670f3 | 1653 | return git_ident_config(var, value, cb); |
1141f492 | 1654 | |
59556548 | 1655 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1656 | return git_default_i18n_config(var, value); |
1657 | ||
59556548 | 1658 | if (starts_with(var, "branch.")) |
1141f492 LT |
1659 | return git_default_branch_config(var, value); |
1660 | ||
59556548 | 1661 | if (starts_with(var, "push.")) |
52153747 FAG |
1662 | return git_default_push_config(var, value); |
1663 | ||
59556548 | 1664 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1665 | return git_default_mailmap_config(var, value); |
1666 | ||
960786e7 | 1667 | if (starts_with(var, "advice.") || starts_with(var, "color.advice")) |
75194438 JK |
1668 | return git_default_advice_config(var, value); |
1669 | ||
1141f492 LT |
1670 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1671 | pager_use_color = git_config_bool(var,value); | |
1672 | return 0; | |
1673 | } | |
1674 | ||
568508e7 JH |
1675 | if (!strcmp(var, "pack.packsizelimit")) { |
1676 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1677 | return 0; | |
1678 | } | |
8de7eeb5 JH |
1679 | |
1680 | if (!strcmp(var, "pack.compression")) { | |
1681 | int level = git_config_int(var, value); | |
1682 | if (level == -1) | |
1683 | level = Z_DEFAULT_COMPRESSION; | |
1684 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1685 | die(_("bad pack compression level %d"), level); | |
1686 | pack_compression_level = level; | |
1687 | pack_compression_seen = 1; | |
1688 | return 0; | |
1689 | } | |
1690 | ||
1141f492 LT |
1691 | /* Add other config variables here and to Documentation/config.txt. */ |
1692 | return 0; | |
1693 | } | |
1694 | ||
ca4b5de2 | 1695 | /* |
b2dc0945 | 1696 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1697 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1698 | * this function. |
1699 | */ | |
8032cc44 JS |
1700 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data, |
1701 | const struct config_options *opts) | |
ca4b5de2 HV |
1702 | { |
1703 | int ret; | |
1704 | ||
1705 | /* push config-file parsing state stack */ | |
1706 | top->prev = cf; | |
1707 | top->linenr = 1; | |
1708 | top->eof = 0; | |
348482de | 1709 | top->total_len = 0; |
ca4b5de2 HV |
1710 | strbuf_init(&top->value, 1024); |
1711 | strbuf_init(&top->var, 1024); | |
1712 | cf = top; | |
1713 | ||
8032cc44 | 1714 | ret = git_parse_source(fn, data, opts); |
ca4b5de2 HV |
1715 | |
1716 | /* pop config-file parsing state stack */ | |
1717 | strbuf_release(&top->value); | |
1718 | strbuf_release(&top->var); | |
1719 | cf = top->prev; | |
1720 | ||
1721 | return ret; | |
1722 | } | |
1723 | ||
3caec73b | 1724 | static int do_config_from_file(config_fn_t fn, |
1b8132d9 VA |
1725 | const enum config_origin_type origin_type, |
1726 | const char *name, const char *path, FILE *f, | |
8032cc44 | 1727 | void *data, const struct config_options *opts) |
17712991 | 1728 | { |
3caec73b | 1729 | struct config_source top; |
05e293c1 | 1730 | int ret; |
17712991 | 1731 | |
3caec73b | 1732 | top.u.file = f; |
473166b9 | 1733 | top.origin_type = origin_type; |
3caec73b KS |
1734 | top.name = name; |
1735 | top.path = path; | |
66f97228 | 1736 | top.default_error_action = CONFIG_ERROR_DIE; |
3caec73b KS |
1737 | top.do_fgetc = config_file_fgetc; |
1738 | top.do_ungetc = config_file_ungetc; | |
1739 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1740 | |
05e293c1 | 1741 | flockfile(f); |
4f4d0b42 | 1742 | ret = do_config_from(&top, fn, data, opts); |
05e293c1 JK |
1743 | funlockfile(f); |
1744 | return ret; | |
3caec73b | 1745 | } |
924aaf3e | 1746 | |
3caec73b KS |
1747 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1748 | { | |
8032cc44 JS |
1749 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, |
1750 | data, NULL); | |
3caec73b KS |
1751 | } |
1752 | ||
8032cc44 JS |
1753 | int git_config_from_file_with_options(config_fn_t fn, const char *filename, |
1754 | void *data, | |
1755 | const struct config_options *opts) | |
3caec73b KS |
1756 | { |
1757 | int ret = -1; | |
1758 | FILE *f; | |
924aaf3e | 1759 | |
e9d983f1 | 1760 | f = fopen_or_warn(filename, "r"); |
3caec73b | 1761 | if (f) { |
8032cc44 JS |
1762 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, |
1763 | filename, f, data, opts); | |
17712991 LT |
1764 | fclose(f); |
1765 | } | |
1766 | return ret; | |
1767 | } | |
10bea152 | 1768 | |
8032cc44 JS |
1769 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) |
1770 | { | |
1771 | return git_config_from_file_with_options(fn, filename, data, NULL); | |
1772 | } | |
1773 | ||
4574f1aa JK |
1774 | int git_config_from_mem(config_fn_t fn, |
1775 | const enum config_origin_type origin_type, | |
1776 | const char *name, const char *buf, size_t len, | |
1777 | void *data, const struct config_options *opts) | |
1bc88819 HV |
1778 | { |
1779 | struct config_source top; | |
1780 | ||
1781 | top.u.buf.buf = buf; | |
1782 | top.u.buf.len = len; | |
1783 | top.u.buf.pos = 0; | |
473166b9 | 1784 | top.origin_type = origin_type; |
1bc88819 | 1785 | top.name = name; |
d14d4244 | 1786 | top.path = NULL; |
66f97228 | 1787 | top.default_error_action = CONFIG_ERROR_ERROR; |
49d6cfa5 JK |
1788 | top.do_fgetc = config_buf_fgetc; |
1789 | top.do_ungetc = config_buf_ungetc; | |
1790 | top.do_ftell = config_buf_ftell; | |
1bc88819 | 1791 | |
4574f1aa | 1792 | return do_config_from(&top, fn, data, opts); |
1bc88819 HV |
1793 | } |
1794 | ||
cd73de47 | 1795 | int git_config_from_blob_oid(config_fn_t fn, |
9ebf689a | 1796 | const char *name, |
cd73de47 | 1797 | const struct object_id *oid, |
9ebf689a | 1798 | void *data) |
1bc88819 HV |
1799 | { |
1800 | enum object_type type; | |
1801 | char *buf; | |
1802 | unsigned long size; | |
1803 | int ret; | |
1804 | ||
b4f5aca4 | 1805 | buf = read_object_file(oid, &type, &size); |
1bc88819 | 1806 | if (!buf) |
a769bfc7 | 1807 | return error(_("unable to load config blob object '%s'"), name); |
1bc88819 HV |
1808 | if (type != OBJ_BLOB) { |
1809 | free(buf); | |
a769bfc7 | 1810 | return error(_("reference '%s' does not point to a blob"), name); |
1bc88819 HV |
1811 | } |
1812 | ||
4574f1aa JK |
1813 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, |
1814 | data, NULL); | |
1bc88819 HV |
1815 | free(buf); |
1816 | ||
1817 | return ret; | |
1818 | } | |
1819 | ||
1820 | static int git_config_from_blob_ref(config_fn_t fn, | |
1821 | const char *name, | |
1822 | void *data) | |
1823 | { | |
cd73de47 | 1824 | struct object_id oid; |
1bc88819 | 1825 | |
cd73de47 | 1826 | if (get_oid(name, &oid) < 0) |
a769bfc7 | 1827 | return error(_("unable to resolve config blob '%s'"), name); |
cd73de47 | 1828 | return git_config_from_blob_oid(fn, name, &oid, data); |
1bc88819 HV |
1829 | } |
1830 | ||
506b17b1 JS |
1831 | const char *git_etc_gitconfig(void) |
1832 | { | |
7f0e39fa | 1833 | static const char *system_wide; |
2de9de5e SP |
1834 | if (!system_wide) |
1835 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1836 | return system_wide; |
506b17b1 JS |
1837 | } |
1838 | ||
23b0c478 SP |
1839 | /* |
1840 | * Parse environment variable 'k' as a boolean (in various | |
1841 | * possible spellings); if missing, use the default value 'def'. | |
1842 | */ | |
0ef37164 | 1843 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1844 | { |
1845 | const char *v = getenv(k); | |
1846 | return v ? git_config_bool(k, v) : def; | |
1847 | } | |
1848 | ||
23b0c478 SP |
1849 | /* |
1850 | * Parse environment variable 'k' as ulong with possibly a unit | |
1851 | * suffix; if missing, use the default value 'val'. | |
1852 | */ | |
1853 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1854 | { | |
1855 | const char *v = getenv(k); | |
1856 | if (v && !git_parse_ulong(v, &val)) | |
a769bfc7 | 1857 | die(_("failed to parse %s"), k); |
23b0c478 SP |
1858 | return val; |
1859 | } | |
1860 | ||
ab88c363 JK |
1861 | int git_config_system(void) |
1862 | { | |
1863 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1864 | } | |
1865 | ||
e145a0bc NTND |
1866 | static int do_git_config_sequence(const struct config_options *opts, |
1867 | config_fn_t fn, void *data) | |
4f629539 | 1868 | { |
c72ee44b | 1869 | int ret = 0; |
509adc33 | 1870 | char *xdg_config = xdg_config_home("config"); |
4aad2f16 | 1871 | char *user_config = expand_user_path("~/.gitconfig", 0); |
e145a0bc | 1872 | char *repo_config; |
5c105a84 | 1873 | enum config_scope prev_parsing_scope = current_parsing_scope; |
e145a0bc | 1874 | |
a577fb5f BW |
1875 | if (opts->commondir) |
1876 | repo_config = mkpathdup("%s/config", opts->commondir); | |
44004872 JS |
1877 | else if (opts->git_dir) |
1878 | BUG("git_dir without commondir"); | |
e145a0bc NTND |
1879 | else |
1880 | repo_config = NULL; | |
5f1a63e0 | 1881 | |
9acc5911 | 1882 | current_parsing_scope = CONFIG_SCOPE_SYSTEM; |
f672deec JH |
1883 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, |
1884 | opts->system_gently ? | |
1885 | ACCESS_EACCES_OK : 0)) | |
dc871831 DB |
1886 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1887 | data); | |
5f1a63e0 | 1888 | |
9acc5911 | 1889 | current_parsing_scope = CONFIG_SCOPE_GLOBAL; |
c72ee44b | 1890 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1891 | ret += git_config_from_file(fn, xdg_config, data); |
21cf3227 | 1892 | |
c72ee44b | 1893 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1894 | ret += git_config_from_file(fn, user_config, data); |
5f1a63e0 | 1895 | |
6dc905d9 | 1896 | current_parsing_scope = CONFIG_SCOPE_LOCAL; |
800a7f99 JH |
1897 | if (!opts->ignore_repo && repo_config && |
1898 | !access_or_die(repo_config, R_OK, 0)) | |
aa387407 | 1899 | ret += git_config_from_file(fn, repo_config, data); |
8b1fa778 | 1900 | |
6dc905d9 | 1901 | current_parsing_scope = CONFIG_SCOPE_WORKTREE; |
800a7f99 | 1902 | if (!opts->ignore_worktree && repository_format_worktree_config) { |
58b284a2 NTND |
1903 | char *path = git_pathdup("config.worktree"); |
1904 | if (!access_or_die(path, R_OK, 0)) | |
1905 | ret += git_config_from_file(fn, path, data); | |
1906 | free(path); | |
1907 | } | |
1908 | ||
6766e41b | 1909 | current_parsing_scope = CONFIG_SCOPE_COMMAND; |
800a7f99 | 1910 | if (!opts->ignore_cmdline && git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 1911 | die(_("unable to parse command-line config")); |
8b1fa778 | 1912 | |
5c105a84 | 1913 | current_parsing_scope = prev_parsing_scope; |
21cf3227 HKNN |
1914 | free(xdg_config); |
1915 | free(user_config); | |
80181868 | 1916 | free(repo_config); |
c72ee44b | 1917 | return ret; |
4f629539 JH |
1918 | } |
1919 | ||
dc8441fd BW |
1920 | int config_with_options(config_fn_t fn, void *data, |
1921 | struct git_config_source *config_source, | |
1922 | const struct config_options *opts) | |
dbdf5854 | 1923 | { |
9b25a0b5 JK |
1924 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1925 | ||
c48f4b37 | 1926 | if (opts->respect_includes) { |
9b25a0b5 JK |
1927 | inc.fn = fn; |
1928 | inc.data = data; | |
c48f4b37 | 1929 | inc.opts = opts; |
9b25a0b5 JK |
1930 | fn = git_config_include; |
1931 | data = &inc; | |
1932 | } | |
dbdf5854 | 1933 | |
e37efa40 MR |
1934 | if (config_source) |
1935 | current_parsing_scope = config_source->scope; | |
1936 | ||
c9b5e2a5 JK |
1937 | /* |
1938 | * If we have a specific filename, use it. Otherwise, follow the | |
1939 | * regular lookup sequence. | |
1940 | */ | |
3caec73b KS |
1941 | if (config_source && config_source->use_stdin) |
1942 | return git_config_from_stdin(fn, data); | |
1943 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1944 | return git_config_from_file(fn, config_source->file, data); |
1945 | else if (config_source && config_source->blob) | |
1946 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1947 | |
e145a0bc | 1948 | return do_git_config_sequence(opts, fn, data); |
dbdf5854 NTND |
1949 | } |
1950 | ||
155ef25f | 1951 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1952 | { |
155ef25f TA |
1953 | int i, value_index; |
1954 | struct string_list *values; | |
1955 | struct config_set_element *entry; | |
1956 | struct configset_list *list = &cs->list; | |
155ef25f TA |
1957 | |
1958 | for (i = 0; i < list->nr; i++) { | |
1959 | entry = list->items[i].e; | |
1960 | value_index = list->items[i].value_index; | |
1961 | values = &entry->value_list; | |
0d44a2da JK |
1962 | |
1963 | current_config_kvi = values->items[value_index].util; | |
1964 | ||
1965 | if (fn(entry->key, values->items[value_index].string, data) < 0) | |
1966 | git_die_config_linenr(entry->key, | |
1967 | current_config_kvi->filename, | |
1968 | current_config_kvi->linenr); | |
1969 | ||
1970 | current_config_kvi = NULL; | |
155ef25f TA |
1971 | } |
1972 | } | |
1973 | ||
0654aa57 JS |
1974 | void read_early_config(config_fn_t cb, void *data) |
1975 | { | |
c48f4b37 | 1976 | struct config_options opts = {0}; |
d3fb71b3 BW |
1977 | struct strbuf commondir = STRBUF_INIT; |
1978 | struct strbuf gitdir = STRBUF_INIT; | |
1a27409a | 1979 | |
c48f4b37 | 1980 | opts.respect_includes = 1; |
0654aa57 | 1981 | |
a577fb5f BW |
1982 | if (have_git_dir()) { |
1983 | opts.commondir = get_git_common_dir(); | |
2185fde5 | 1984 | opts.git_dir = get_git_dir(); |
0654aa57 | 1985 | /* |
1a27409a JS |
1986 | * When setup_git_directory() was not yet asked to discover the |
1987 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
1988 | * is any repository config we should use (but unlike | |
1989 | * setup_git_directory_gently(), no global state is changed, most | |
1990 | * notably, the current working directory is still the same after the | |
1991 | * call). | |
0654aa57 | 1992 | */ |
a577fb5f BW |
1993 | } else if (!discover_git_directory(&commondir, &gitdir)) { |
1994 | opts.commondir = commondir.buf; | |
d3fb71b3 | 1995 | opts.git_dir = gitdir.buf; |
a577fb5f | 1996 | } |
2185fde5 | 1997 | |
dc8441fd | 1998 | config_with_options(cb, data, NULL, &opts); |
0654aa57 | 1999 | |
d3fb71b3 BW |
2000 | strbuf_release(&commondir); |
2001 | strbuf_release(&gitdir); | |
0654aa57 JS |
2002 | } |
2003 | ||
800a7f99 JH |
2004 | /* |
2005 | * Read config but only enumerate system and global settings. | |
2006 | * Omit any repo-local, worktree-local, or command-line settings. | |
2007 | */ | |
2008 | void read_very_early_config(config_fn_t cb, void *data) | |
2009 | { | |
2010 | struct config_options opts = { 0 }; | |
2011 | ||
2012 | opts.respect_includes = 1; | |
2013 | opts.ignore_repo = 1; | |
2014 | opts.ignore_worktree = 1; | |
2015 | opts.ignore_cmdline = 1; | |
f672deec | 2016 | opts.system_gently = 1; |
800a7f99 JH |
2017 | |
2018 | config_with_options(cb, data, NULL, &opts); | |
2019 | } | |
2020 | ||
3c8687a7 TA |
2021 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
2022 | { | |
2023 | struct config_set_element k; | |
2024 | struct config_set_element *found_entry; | |
2025 | char *normalized_key; | |
3c8687a7 TA |
2026 | /* |
2027 | * `key` may come from the user, so normalize it before using it | |
2028 | * for querying entries from the hashmap. | |
2029 | */ | |
270cd9ea | 2030 | if (git_config_parse_key(key, &normalized_key, NULL)) |
3c8687a7 TA |
2031 | return NULL; |
2032 | ||
d22245a2 | 2033 | hashmap_entry_init(&k.ent, strhash(normalized_key)); |
3c8687a7 | 2034 | k.key = normalized_key; |
404ab78e | 2035 | found_entry = hashmap_get_entry(&cs->config_hash, &k, ent, NULL); |
3c8687a7 TA |
2036 | free(normalized_key); |
2037 | return found_entry; | |
2038 | } | |
2039 | ||
2040 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
2041 | { | |
2042 | struct config_set_element *e; | |
3df8fd62 | 2043 | struct string_list_item *si; |
155ef25f | 2044 | struct configset_list_item *l_item; |
3df8fd62 TA |
2045 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
2046 | ||
3c8687a7 TA |
2047 | e = configset_find_element(cs, key); |
2048 | /* | |
2049 | * Since the keys are being fed by git_config*() callback mechanism, they | |
2050 | * are already normalized. So simply add them without any further munging. | |
2051 | */ | |
2052 | if (!e) { | |
2053 | e = xmalloc(sizeof(*e)); | |
d22245a2 | 2054 | hashmap_entry_init(&e->ent, strhash(key)); |
3c8687a7 TA |
2055 | e->key = xstrdup(key); |
2056 | string_list_init(&e->value_list, 1); | |
b94e5c1d | 2057 | hashmap_add(&cs->config_hash, &e->ent); |
3c8687a7 | 2058 | } |
8c53f071 | 2059 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
2060 | |
2061 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
2062 | l_item = &cs->list.items[cs->list.nr++]; | |
2063 | l_item->e = e; | |
2064 | l_item->value_index = e->value_list.nr - 1; | |
2065 | ||
3258258f | 2066 | if (!cf) |
033abf97 | 2067 | BUG("configset_add_value has no source"); |
3258258f | 2068 | if (cf->name) { |
3df8fd62 TA |
2069 | kv_info->filename = strintern(cf->name); |
2070 | kv_info->linenr = cf->linenr; | |
1b8132d9 | 2071 | kv_info->origin_type = cf->origin_type; |
3df8fd62 TA |
2072 | } else { |
2073 | /* for values read from `git_config_from_parameters()` */ | |
2074 | kv_info->filename = NULL; | |
2075 | kv_info->linenr = -1; | |
1b8132d9 | 2076 | kv_info->origin_type = CONFIG_ORIGIN_CMDLINE; |
3df8fd62 | 2077 | } |
9acc5911 | 2078 | kv_info->scope = current_parsing_scope; |
3df8fd62 | 2079 | si->util = kv_info; |
3c8687a7 TA |
2080 | |
2081 | return 0; | |
2082 | } | |
2083 | ||
7663cdc8 | 2084 | static int config_set_element_cmp(const void *unused_cmp_data, |
939af16e EW |
2085 | const struct hashmap_entry *eptr, |
2086 | const struct hashmap_entry *entry_or_key, | |
7663cdc8 | 2087 | const void *unused_keydata) |
3c8687a7 | 2088 | { |
939af16e EW |
2089 | const struct config_set_element *e1, *e2; |
2090 | ||
2091 | e1 = container_of(eptr, const struct config_set_element, ent); | |
2092 | e2 = container_of(entry_or_key, const struct config_set_element, ent); | |
77bdc097 | 2093 | |
3c8687a7 TA |
2094 | return strcmp(e1->key, e2->key); |
2095 | } | |
2096 | ||
2097 | void git_configset_init(struct config_set *cs) | |
2098 | { | |
77bdc097 | 2099 | hashmap_init(&cs->config_hash, config_set_element_cmp, NULL, 0); |
3c8687a7 | 2100 | cs->hash_initialized = 1; |
155ef25f TA |
2101 | cs->list.nr = 0; |
2102 | cs->list.alloc = 0; | |
2103 | cs->list.items = NULL; | |
3c8687a7 TA |
2104 | } |
2105 | ||
2106 | void git_configset_clear(struct config_set *cs) | |
2107 | { | |
2108 | struct config_set_element *entry; | |
2109 | struct hashmap_iter iter; | |
2110 | if (!cs->hash_initialized) | |
2111 | return; | |
2112 | ||
87571c3f | 2113 | hashmap_for_each_entry(&cs->config_hash, &iter, entry, |
87571c3f | 2114 | ent /* member name */) { |
3c8687a7 | 2115 | free(entry->key); |
3df8fd62 | 2116 | string_list_clear(&entry->value_list, 1); |
3c8687a7 | 2117 | } |
6da1a258 | 2118 | hashmap_clear_and_free(&cs->config_hash, struct config_set_element, ent); |
3c8687a7 | 2119 | cs->hash_initialized = 0; |
155ef25f TA |
2120 | free(cs->list.items); |
2121 | cs->list.nr = 0; | |
2122 | cs->list.alloc = 0; | |
2123 | cs->list.items = NULL; | |
3c8687a7 TA |
2124 | } |
2125 | ||
2126 | static int config_set_callback(const char *key, const char *value, void *cb) | |
2127 | { | |
2128 | struct config_set *cs = cb; | |
2129 | configset_add_value(cs, key, value); | |
2130 | return 0; | |
2131 | } | |
2132 | ||
2133 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
2134 | { | |
2135 | return git_config_from_file(config_set_callback, filename, cs); | |
2136 | } | |
2137 | ||
2138 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
2139 | { | |
2140 | const struct string_list *values = NULL; | |
2141 | /* | |
2142 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
2143 | * queried key in the files of the configset, the value returned will be the last | |
2144 | * value in the value list for that key. | |
2145 | */ | |
2146 | values = git_configset_get_value_multi(cs, key); | |
2147 | ||
2148 | if (!values) | |
2149 | return 1; | |
2150 | assert(values->nr > 0); | |
2151 | *value = values->items[values->nr - 1].string; | |
2152 | return 0; | |
2153 | } | |
2154 | ||
2155 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
2156 | { | |
2157 | struct config_set_element *e = configset_find_element(cs, key); | |
2158 | return e ? &e->value_list : NULL; | |
2159 | } | |
2160 | ||
9a53219f | 2161 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) |
3c8687a7 TA |
2162 | { |
2163 | const char *value; | |
2164 | if (!git_configset_get_value(cs, key, &value)) | |
9a53219f | 2165 | return git_config_string((const char **)dest, key, value); |
3c8687a7 TA |
2166 | else |
2167 | return 1; | |
2168 | } | |
2169 | ||
f1de981e JK |
2170 | int git_configset_get_string_tmp(struct config_set *cs, const char *key, |
2171 | const char **dest) | |
3c8687a7 | 2172 | { |
f1de981e JK |
2173 | const char *value; |
2174 | if (!git_configset_get_value(cs, key, &value)) { | |
2175 | if (!value) | |
2176 | return config_error_nonbool(key); | |
2177 | *dest = value; | |
2178 | return 0; | |
2179 | } else { | |
2180 | return 1; | |
2181 | } | |
3c8687a7 TA |
2182 | } |
2183 | ||
2184 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
2185 | { | |
2186 | const char *value; | |
2187 | if (!git_configset_get_value(cs, key, &value)) { | |
2188 | *dest = git_config_int(key, value); | |
2189 | return 0; | |
2190 | } else | |
2191 | return 1; | |
2192 | } | |
2193 | ||
2194 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
2195 | { | |
2196 | const char *value; | |
2197 | if (!git_configset_get_value(cs, key, &value)) { | |
2198 | *dest = git_config_ulong(key, value); | |
2199 | return 0; | |
2200 | } else | |
2201 | return 1; | |
2202 | } | |
2203 | ||
2204 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
2205 | { | |
2206 | const char *value; | |
2207 | if (!git_configset_get_value(cs, key, &value)) { | |
2208 | *dest = git_config_bool(key, value); | |
2209 | return 0; | |
2210 | } else | |
2211 | return 1; | |
2212 | } | |
2213 | ||
2214 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
2215 | int *is_bool, int *dest) | |
2216 | { | |
2217 | const char *value; | |
2218 | if (!git_configset_get_value(cs, key, &value)) { | |
2219 | *dest = git_config_bool_or_int(key, value, is_bool); | |
2220 | return 0; | |
2221 | } else | |
2222 | return 1; | |
2223 | } | |
2224 | ||
2225 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
2226 | { | |
2227 | const char *value; | |
2228 | if (!git_configset_get_value(cs, key, &value)) { | |
89576613 | 2229 | *dest = git_parse_maybe_bool(value); |
3c8687a7 TA |
2230 | if (*dest == -1) |
2231 | return -1; | |
2232 | return 0; | |
2233 | } else | |
2234 | return 1; | |
2235 | } | |
2236 | ||
2237 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
2238 | { | |
2239 | const char *value; | |
2240 | if (!git_configset_get_value(cs, key, &value)) | |
2241 | return git_config_pathname(dest, key, value); | |
2242 | else | |
2243 | return 1; | |
2244 | } | |
2245 | ||
3b256228 BW |
2246 | /* Functions use to read configuration from a repository */ |
2247 | static void repo_read_config(struct repository *repo) | |
3c8687a7 | 2248 | { |
1703751f | 2249 | struct config_options opts = { 0 }; |
3b256228 BW |
2250 | |
2251 | opts.respect_includes = 1; | |
2252 | opts.commondir = repo->commondir; | |
2253 | opts.git_dir = repo->gitdir; | |
2254 | ||
2255 | if (!repo->config) | |
2256 | repo->config = xcalloc(1, sizeof(struct config_set)); | |
2257 | else | |
2258 | git_configset_clear(repo->config); | |
2259 | ||
2260 | git_configset_init(repo->config); | |
2261 | ||
2262 | if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0) | |
2263 | /* | |
2264 | * config_with_options() normally returns only | |
2265 | * zero, as most errors are fatal, and | |
2266 | * non-fatal potential errors are guarded by "if" | |
2267 | * statements that are entered only when no error is | |
2268 | * possible. | |
2269 | * | |
2270 | * If we ever encounter a non-fatal error, it means | |
2271 | * something went really wrong and we should stop | |
2272 | * immediately. | |
2273 | */ | |
2274 | die(_("unknown error occurred while reading the configuration files")); | |
2275 | } | |
2276 | ||
2277 | static void git_config_check_init(struct repository *repo) | |
2278 | { | |
2279 | if (repo->config && repo->config->hash_initialized) | |
3c8687a7 | 2280 | return; |
3b256228 | 2281 | repo_read_config(repo); |
3c8687a7 TA |
2282 | } |
2283 | ||
3b256228 | 2284 | static void repo_config_clear(struct repository *repo) |
3c8687a7 | 2285 | { |
3b256228 | 2286 | if (!repo->config || !repo->config->hash_initialized) |
3c8687a7 | 2287 | return; |
3b256228 | 2288 | git_configset_clear(repo->config); |
3c8687a7 TA |
2289 | } |
2290 | ||
3b256228 | 2291 | void repo_config(struct repository *repo, config_fn_t fn, void *data) |
3c8687a7 | 2292 | { |
3b256228 BW |
2293 | git_config_check_init(repo); |
2294 | configset_iter(repo->config, fn, data); | |
3c8687a7 TA |
2295 | } |
2296 | ||
3b256228 BW |
2297 | int repo_config_get_value(struct repository *repo, |
2298 | const char *key, const char **value) | |
3c8687a7 | 2299 | { |
3b256228 BW |
2300 | git_config_check_init(repo); |
2301 | return git_configset_get_value(repo->config, key, value); | |
3c8687a7 TA |
2302 | } |
2303 | ||
3b256228 BW |
2304 | const struct string_list *repo_config_get_value_multi(struct repository *repo, |
2305 | const char *key) | |
2306 | { | |
2307 | git_config_check_init(repo); | |
2308 | return git_configset_get_value_multi(repo->config, key); | |
2309 | } | |
2310 | ||
9a53219f JK |
2311 | int repo_config_get_string(struct repository *repo, |
2312 | const char *key, char **dest) | |
3b256228 BW |
2313 | { |
2314 | int ret; | |
2315 | git_config_check_init(repo); | |
9a53219f | 2316 | ret = git_configset_get_string(repo->config, key, dest); |
3b256228 BW |
2317 | if (ret < 0) |
2318 | git_die_config(key, NULL); | |
2319 | return ret; | |
2320 | } | |
2321 | ||
f1de981e JK |
2322 | int repo_config_get_string_tmp(struct repository *repo, |
2323 | const char *key, const char **dest) | |
3b256228 | 2324 | { |
f1de981e | 2325 | int ret; |
3b256228 | 2326 | git_config_check_init(repo); |
f1de981e JK |
2327 | ret = git_configset_get_string_tmp(repo->config, key, dest); |
2328 | if (ret < 0) | |
2329 | git_die_config(key, NULL); | |
2330 | return ret; | |
3b256228 BW |
2331 | } |
2332 | ||
2333 | int repo_config_get_int(struct repository *repo, | |
2334 | const char *key, int *dest) | |
2335 | { | |
2336 | git_config_check_init(repo); | |
2337 | return git_configset_get_int(repo->config, key, dest); | |
2338 | } | |
2339 | ||
2340 | int repo_config_get_ulong(struct repository *repo, | |
2341 | const char *key, unsigned long *dest) | |
2342 | { | |
2343 | git_config_check_init(repo); | |
2344 | return git_configset_get_ulong(repo->config, key, dest); | |
2345 | } | |
2346 | ||
2347 | int repo_config_get_bool(struct repository *repo, | |
2348 | const char *key, int *dest) | |
2349 | { | |
2350 | git_config_check_init(repo); | |
2351 | return git_configset_get_bool(repo->config, key, dest); | |
2352 | } | |
2353 | ||
2354 | int repo_config_get_bool_or_int(struct repository *repo, | |
2355 | const char *key, int *is_bool, int *dest) | |
2356 | { | |
2357 | git_config_check_init(repo); | |
2358 | return git_configset_get_bool_or_int(repo->config, key, is_bool, dest); | |
2359 | } | |
2360 | ||
2361 | int repo_config_get_maybe_bool(struct repository *repo, | |
2362 | const char *key, int *dest) | |
2363 | { | |
2364 | git_config_check_init(repo); | |
2365 | return git_configset_get_maybe_bool(repo->config, key, dest); | |
2366 | } | |
2367 | ||
2368 | int repo_config_get_pathname(struct repository *repo, | |
2369 | const char *key, const char **dest) | |
3c8687a7 | 2370 | { |
5a80e97c | 2371 | int ret; |
3b256228 BW |
2372 | git_config_check_init(repo); |
2373 | ret = git_configset_get_pathname(repo->config, key, dest); | |
5a80e97c TA |
2374 | if (ret < 0) |
2375 | git_die_config(key, NULL); | |
2376 | return ret; | |
3c8687a7 TA |
2377 | } |
2378 | ||
3b256228 BW |
2379 | /* Functions used historically to read configuration from 'the_repository' */ |
2380 | void git_config(config_fn_t fn, void *data) | |
2381 | { | |
2382 | repo_config(the_repository, fn, data); | |
2383 | } | |
2384 | ||
2385 | void git_config_clear(void) | |
2386 | { | |
2387 | repo_config_clear(the_repository); | |
2388 | } | |
2389 | ||
2390 | int git_config_get_value(const char *key, const char **value) | |
2391 | { | |
2392 | return repo_config_get_value(the_repository, key, value); | |
2393 | } | |
2394 | ||
2395 | const struct string_list *git_config_get_value_multi(const char *key) | |
2396 | { | |
2397 | return repo_config_get_value_multi(the_repository, key); | |
2398 | } | |
2399 | ||
3c8687a7 | 2400 | int git_config_get_string(const char *key, char **dest) |
3b256228 | 2401 | { |
3b256228 | 2402 | return repo_config_get_string(the_repository, key, dest); |
3b256228 BW |
2403 | } |
2404 | ||
f1de981e | 2405 | int git_config_get_string_tmp(const char *key, const char **dest) |
3c8687a7 | 2406 | { |
f1de981e | 2407 | return repo_config_get_string_tmp(the_repository, key, dest); |
3c8687a7 TA |
2408 | } |
2409 | ||
2410 | int git_config_get_int(const char *key, int *dest) | |
2411 | { | |
3b256228 | 2412 | return repo_config_get_int(the_repository, key, dest); |
3c8687a7 TA |
2413 | } |
2414 | ||
2415 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
2416 | { | |
3b256228 | 2417 | return repo_config_get_ulong(the_repository, key, dest); |
3c8687a7 TA |
2418 | } |
2419 | ||
2420 | int git_config_get_bool(const char *key, int *dest) | |
2421 | { | |
3b256228 | 2422 | return repo_config_get_bool(the_repository, key, dest); |
3c8687a7 TA |
2423 | } |
2424 | ||
2425 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
2426 | { | |
3b256228 | 2427 | return repo_config_get_bool_or_int(the_repository, key, is_bool, dest); |
3c8687a7 TA |
2428 | } |
2429 | ||
2430 | int git_config_get_maybe_bool(const char *key, int *dest) | |
2431 | { | |
3b256228 | 2432 | return repo_config_get_maybe_bool(the_repository, key, dest); |
3c8687a7 TA |
2433 | } |
2434 | ||
2435 | int git_config_get_pathname(const char *key, const char **dest) | |
2436 | { | |
3b256228 | 2437 | return repo_config_get_pathname(the_repository, key, dest); |
5a80e97c TA |
2438 | } |
2439 | ||
77d67977 CC |
2440 | int git_config_get_expiry(const char *key, const char **output) |
2441 | { | |
9a53219f | 2442 | int ret = git_config_get_string(key, (char **)output); |
77d67977 CC |
2443 | if (ret) |
2444 | return ret; | |
2445 | if (strcmp(*output, "now")) { | |
dddbad72 | 2446 | timestamp_t now = approxidate("now"); |
77d67977 CC |
2447 | if (approxidate(*output) >= now) |
2448 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
2449 | } | |
2450 | return ret; | |
2451 | } | |
2452 | ||
6e96cb52 JH |
2453 | int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now) |
2454 | { | |
1c890016 | 2455 | const char *expiry_string; |
6e96cb52 JH |
2456 | intmax_t days; |
2457 | timestamp_t when; | |
2458 | ||
1c890016 | 2459 | if (git_config_get_string_tmp(key, &expiry_string)) |
6e96cb52 JH |
2460 | return 1; /* no such thing */ |
2461 | ||
2462 | if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) { | |
2463 | const int scale = 86400; | |
2464 | *expiry = now - days * scale; | |
2465 | return 0; | |
2466 | } | |
2467 | ||
2468 | if (!parse_expiry_date(expiry_string, &when)) { | |
2469 | *expiry = when; | |
2470 | return 0; | |
2471 | } | |
2472 | return -1; /* thing exists but cannot be parsed */ | |
2473 | } | |
2474 | ||
1f44b09b CC |
2475 | int git_config_get_split_index(void) |
2476 | { | |
2477 | int val; | |
2478 | ||
2479 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
2480 | return val; | |
2481 | ||
2482 | return -1; /* default value */ | |
2483 | } | |
2484 | ||
72dcb7b3 CC |
2485 | int git_config_get_max_percent_split_change(void) |
2486 | { | |
2487 | int val = -1; | |
2488 | ||
2489 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
2490 | if (0 <= val && val <= 100) | |
2491 | return val; | |
2492 | ||
2493 | return error(_("splitIndex.maxPercentChange value '%d' " | |
2494 | "should be between 0 and 100"), val); | |
2495 | } | |
2496 | ||
2497 | return -1; /* default value */ | |
2498 | } | |
2499 | ||
883e248b BP |
2500 | int git_config_get_fsmonitor(void) |
2501 | { | |
2502 | if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor)) | |
4cb54d0a | 2503 | core_fsmonitor = getenv("GIT_TEST_FSMONITOR"); |
883e248b BP |
2504 | |
2505 | if (core_fsmonitor && !*core_fsmonitor) | |
2506 | core_fsmonitor = NULL; | |
2507 | ||
2508 | if (core_fsmonitor) | |
2509 | return 1; | |
2510 | ||
2511 | return 0; | |
2512 | } | |
2513 | ||
2a9dedef | 2514 | int git_config_get_index_threads(int *dest) |
c780b9cf | 2515 | { |
2a9dedef | 2516 | int is_bool, val; |
c780b9cf BP |
2517 | |
2518 | val = git_env_ulong("GIT_TEST_INDEX_THREADS", 0); | |
2a9dedef JN |
2519 | if (val) { |
2520 | *dest = val; | |
2521 | return 0; | |
2522 | } | |
c780b9cf BP |
2523 | |
2524 | if (!git_config_get_bool_or_int("index.threads", &is_bool, &val)) { | |
2525 | if (is_bool) | |
2a9dedef | 2526 | *dest = val ? 0 : 1; |
c780b9cf | 2527 | else |
2a9dedef JN |
2528 | *dest = val; |
2529 | return 0; | |
c780b9cf BP |
2530 | } |
2531 | ||
2a9dedef | 2532 | return 1; |
c780b9cf BP |
2533 | } |
2534 | ||
5a80e97c TA |
2535 | NORETURN |
2536 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
2537 | { | |
2538 | if (!filename) | |
2539 | die(_("unable to parse '%s' from command-line config"), key); | |
2540 | else | |
2541 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
2542 | key, filename, linenr); | |
2543 | } | |
2544 | ||
2545 | NORETURN __attribute__((format(printf, 2, 3))) | |
2546 | void git_die_config(const char *key, const char *err, ...) | |
2547 | { | |
2548 | const struct string_list *values; | |
2549 | struct key_value_info *kv_info; | |
2550 | ||
2551 | if (err) { | |
2552 | va_list params; | |
2553 | va_start(params, err); | |
2554 | vreportf("error: ", err, params); | |
2555 | va_end(params); | |
2556 | } | |
2557 | values = git_config_get_value_multi(key); | |
2558 | kv_info = values->items[values->nr - 1].util; | |
2559 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
2560 | } |
2561 | ||
10bea152 JS |
2562 | /* |
2563 | * Find all the stuff for git_config_set() below. | |
2564 | */ | |
4ddba79d | 2565 | |
fee8572c | 2566 | struct config_store_data { |
f011a965 | 2567 | size_t baselen; |
4b25d091 | 2568 | char *key; |
f98d863d | 2569 | int do_not_match; |
c90702a1 | 2570 | const char *fixed_value; |
247e2f82 | 2571 | regex_t *value_pattern; |
4ddba79d | 2572 | int multi_replace; |
6ae996f2 JS |
2573 | struct { |
2574 | size_t begin, end; | |
2575 | enum config_event_t type; | |
22aedfcc | 2576 | int is_keys_section; |
6ae996f2 JS |
2577 | } *parsed; |
2578 | unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc; | |
5221c315 | 2579 | unsigned int key_seen:1, section_seen:1, is_keys_section:1; |
fee8572c | 2580 | }; |
10bea152 | 2581 | |
2a00e594 MÅ |
2582 | static void config_store_data_clear(struct config_store_data *store) |
2583 | { | |
e7347cb9 | 2584 | free(store->key); |
247e2f82 DS |
2585 | if (store->value_pattern != NULL && |
2586 | store->value_pattern != CONFIG_REGEX_NONE) { | |
2587 | regfree(store->value_pattern); | |
2588 | free(store->value_pattern); | |
3b82542d | 2589 | } |
2a00e594 MÅ |
2590 | free(store->parsed); |
2591 | free(store->seen); | |
2592 | memset(store, 0, sizeof(*store)); | |
2593 | } | |
2594 | ||
fee8572c JS |
2595 | static int matches(const char *key, const char *value, |
2596 | const struct config_store_data *store) | |
f98d863d | 2597 | { |
fee8572c | 2598 | if (strcmp(key, store->key)) |
c1063be2 | 2599 | return 0; /* not ours */ |
c90702a1 DS |
2600 | if (store->fixed_value) |
2601 | return !strcmp(store->fixed_value, value); | |
247e2f82 | 2602 | if (!store->value_pattern) |
c1063be2 | 2603 | return 1; /* always matches */ |
247e2f82 | 2604 | if (store->value_pattern == CONFIG_REGEX_NONE) |
c1063be2 JK |
2605 | return 0; /* never matches */ |
2606 | ||
fee8572c | 2607 | return store->do_not_match ^ |
247e2f82 | 2608 | (value && !regexec(store->value_pattern, value, 0, NULL, 0)); |
f98d863d JS |
2609 | } |
2610 | ||
6ae996f2 JS |
2611 | static int store_aux_event(enum config_event_t type, |
2612 | size_t begin, size_t end, void *data) | |
2613 | { | |
2614 | struct config_store_data *store = data; | |
2615 | ||
2616 | ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc); | |
2617 | store->parsed[store->parsed_nr].begin = begin; | |
2618 | store->parsed[store->parsed_nr].end = end; | |
2619 | store->parsed[store->parsed_nr].type = type; | |
6ae996f2 JS |
2620 | |
2621 | if (type == CONFIG_EVENT_SECTION) { | |
2d84f13d SB |
2622 | int (*cmpfn)(const char *, const char *, size_t); |
2623 | ||
6ae996f2 | 2624 | if (cf->var.len < 2 || cf->var.buf[cf->var.len - 1] != '.') |
a769bfc7 | 2625 | return error(_("invalid section name '%s'"), cf->var.buf); |
6ae996f2 | 2626 | |
2d84f13d SB |
2627 | if (cf->subsection_case_sensitive) |
2628 | cmpfn = strncasecmp; | |
2629 | else | |
2630 | cmpfn = strncmp; | |
2631 | ||
6ae996f2 | 2632 | /* Is this the section we were looking for? */ |
22aedfcc JS |
2633 | store->is_keys_section = |
2634 | store->parsed[store->parsed_nr].is_keys_section = | |
2635 | cf->var.len - 1 == store->baselen && | |
2d84f13d | 2636 | !cmpfn(cf->var.buf, store->key, store->baselen); |
c71d8bb3 JS |
2637 | if (store->is_keys_section) { |
2638 | store->section_seen = 1; | |
2639 | ALLOC_GROW(store->seen, store->seen_nr + 1, | |
2640 | store->seen_alloc); | |
2641 | store->seen[store->seen_nr] = store->parsed_nr; | |
2642 | } | |
6ae996f2 JS |
2643 | } |
2644 | ||
22aedfcc JS |
2645 | store->parsed_nr++; |
2646 | ||
6ae996f2 | 2647 | return 0; |
f98d863d JS |
2648 | } |
2649 | ||
4b25d091 | 2650 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 2651 | { |
fee8572c | 2652 | struct config_store_data *store = cb; |
ae9ee41d | 2653 | |
5221c315 | 2654 | if (store->key_seen) { |
fee8572c | 2655 | if (matches(key, value, store)) { |
668b9ade | 2656 | if (store->seen_nr == 1 && store->multi_replace == 0) { |
8262aaa2 | 2657 | warning(_("%s has multiple values"), key); |
10bea152 | 2658 | } |
4ddba79d | 2659 | |
668b9ade JS |
2660 | ALLOC_GROW(store->seen, store->seen_nr + 1, |
2661 | store->seen_alloc); | |
83786fa4 | 2662 | |
6ae996f2 | 2663 | store->seen[store->seen_nr] = store->parsed_nr; |
668b9ade | 2664 | store->seen_nr++; |
10bea152 | 2665 | } |
5221c315 | 2666 | } else if (store->is_keys_section) { |
ae9ee41d | 2667 | /* |
6ae996f2 JS |
2668 | * Do not increment matches yet: this may not be a match, but we |
2669 | * are in the desired section. | |
ae9ee41d | 2670 | */ |
6ae996f2 JS |
2671 | ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc); |
2672 | store->seen[store->seen_nr] = store->parsed_nr; | |
5221c315 | 2673 | store->section_seen = 1; |
ae9ee41d | 2674 | |
6ae996f2 JS |
2675 | if (matches(key, value, store)) { |
2676 | store->seen_nr++; | |
2677 | store->key_seen = 1; | |
bdf0ef08 | 2678 | } |
10bea152 | 2679 | } |
5221c315 | 2680 | |
10bea152 JS |
2681 | return 0; |
2682 | } | |
2683 | ||
64c0d71c | 2684 | static int write_error(const char *filename) |
480c9e52 | 2685 | { |
a769bfc7 | 2686 | error(_("failed to write new configuration file %s"), filename); |
480c9e52 AW |
2687 | |
2688 | /* Same error code as "failed to rename". */ | |
2689 | return 4; | |
2690 | } | |
2691 | ||
fee8572c JS |
2692 | static struct strbuf store_create_section(const char *key, |
2693 | const struct config_store_data *store) | |
10bea152 | 2694 | { |
cb891a59 | 2695 | const char *dot; |
f011a965 | 2696 | size_t i; |
f285a2d7 | 2697 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 2698 | |
fee8572c | 2699 | dot = memchr(key, '.', store->baselen); |
d14f7764 | 2700 | if (dot) { |
cb891a59 | 2701 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
fee8572c | 2702 | for (i = dot - key + 1; i < store->baselen; i++) { |
e5c349ba | 2703 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
2704 | strbuf_addch(&sb, '\\'); |
2705 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 2706 | } |
cb891a59 KH |
2707 | strbuf_addstr(&sb, "\"]\n"); |
2708 | } else { | |
f011a965 JK |
2709 | strbuf_addch(&sb, '['); |
2710 | strbuf_add(&sb, key, store->baselen); | |
2711 | strbuf_addstr(&sb, "]\n"); | |
d14f7764 LT |
2712 | } |
2713 | ||
5463caab SD |
2714 | return sb; |
2715 | } | |
2716 | ||
fee8572c JS |
2717 | static ssize_t write_section(int fd, const char *key, |
2718 | const struct config_store_data *store) | |
5463caab | 2719 | { |
fee8572c | 2720 | struct strbuf sb = store_create_section(key, store); |
3b48045c | 2721 | ssize_t ret; |
5463caab | 2722 | |
782c030e | 2723 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 | 2724 | strbuf_release(&sb); |
480c9e52 | 2725 | |
d9bd4cbb | 2726 | return ret; |
10bea152 JS |
2727 | } |
2728 | ||
fee8572c JS |
2729 | static ssize_t write_pair(int fd, const char *key, const char *value, |
2730 | const struct config_store_data *store) | |
10bea152 | 2731 | { |
d9bd4cbb JK |
2732 | int i; |
2733 | ssize_t ret; | |
cb891a59 | 2734 | const char *quote = ""; |
f285a2d7 | 2735 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 2736 | |
6281f394 JM |
2737 | /* |
2738 | * Check to see if the value needs to be surrounded with a dq pair. | |
2739 | * Note that problematic characters are always backslash-quoted; this | |
2740 | * check is about not losing leading or trailing SP and strings that | |
2741 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
2742 | * configuration parser. | |
2743 | */ | |
cdd4fb15 | 2744 | if (value[0] == ' ') |
cb891a59 | 2745 | quote = "\""; |
cdd4fb15 BG |
2746 | for (i = 0; value[i]; i++) |
2747 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
2748 | quote = "\""; |
2749 | if (i && value[i - 1] == ' ') | |
2750 | quote = "\""; | |
2751 | ||
6c7e6963 | 2752 | strbuf_addf(&sb, "\t%s = %s", key + store->baselen + 1, quote); |
10bea152 | 2753 | |
10bea152 JS |
2754 | for (i = 0; value[i]; i++) |
2755 | switch (value[i]) { | |
480c9e52 | 2756 | case '\n': |
cb891a59 | 2757 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
2758 | break; |
2759 | case '\t': | |
cb891a59 | 2760 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
2761 | break; |
2762 | case '"': | |
2763 | case '\\': | |
cb891a59 | 2764 | strbuf_addch(&sb, '\\'); |
1cf01a34 | 2765 | /* fallthrough */ |
480c9e52 | 2766 | default: |
cb891a59 | 2767 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
2768 | break; |
2769 | } | |
cb891a59 KH |
2770 | strbuf_addf(&sb, "%s\n", quote); |
2771 | ||
d9bd4cbb | 2772 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 KH |
2773 | strbuf_release(&sb); |
2774 | ||
d9bd4cbb | 2775 | return ret; |
10bea152 JS |
2776 | } |
2777 | ||
22aedfcc JS |
2778 | /* |
2779 | * If we are about to unset the last key(s) in a section, and if there are | |
2780 | * no comments surrounding (or included in) the section, we will want to | |
2781 | * extend begin/end to remove the entire section. | |
2782 | * | |
2783 | * Note: the parameter `seen_ptr` points to the index into the store.seen | |
2784 | * array. * This index may be incremented if a section has more than one | |
2785 | * entry (which all are to be removed). | |
2786 | */ | |
2787 | static void maybe_remove_section(struct config_store_data *store, | |
22aedfcc JS |
2788 | size_t *begin_offset, size_t *end_offset, |
2789 | int *seen_ptr) | |
4ddba79d | 2790 | { |
22aedfcc JS |
2791 | size_t begin; |
2792 | int i, seen, section_seen = 0; | |
4ddba79d | 2793 | |
22aedfcc JS |
2794 | /* |
2795 | * First, ensure that this is the first key, and that there are no | |
2796 | * comments before the entry nor before the section header. | |
2797 | */ | |
2798 | seen = *seen_ptr; | |
2799 | for (i = store->seen[seen]; i > 0; i--) { | |
2800 | enum config_event_t type = store->parsed[i - 1].type; | |
2801 | ||
2802 | if (type == CONFIG_EVENT_COMMENT) | |
2803 | /* There is a comment before this entry or section */ | |
2804 | return; | |
2805 | if (type == CONFIG_EVENT_ENTRY) { | |
2806 | if (!section_seen) | |
2807 | /* This is not the section's first entry. */ | |
2808 | return; | |
2809 | /* We encountered no comment before the section. */ | |
2810 | break; | |
2811 | } | |
2812 | if (type == CONFIG_EVENT_SECTION) { | |
2813 | if (!store->parsed[i - 1].is_keys_section) | |
2814 | break; | |
2815 | section_seen = 1; | |
4ddba79d | 2816 | } |
7a31cc0f | 2817 | } |
22aedfcc JS |
2818 | begin = store->parsed[i].begin; |
2819 | ||
2820 | /* | |
2821 | * Next, make sure that we are removing he last key(s) in the section, | |
2822 | * and that there are no comments that are possibly about the current | |
2823 | * section. | |
2824 | */ | |
2825 | for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) { | |
2826 | enum config_event_t type = store->parsed[i].type; | |
4ddba79d | 2827 | |
22aedfcc JS |
2828 | if (type == CONFIG_EVENT_COMMENT) |
2829 | return; | |
2830 | if (type == CONFIG_EVENT_SECTION) { | |
2831 | if (store->parsed[i].is_keys_section) | |
2832 | continue; | |
2833 | break; | |
2834 | } | |
2835 | if (type == CONFIG_EVENT_ENTRY) { | |
2836 | if (++seen < store->seen_nr && | |
2837 | i == store->seen[seen]) | |
2838 | /* We want to remove this entry, too */ | |
2839 | continue; | |
2840 | /* There is another entry in this section. */ | |
2841 | return; | |
2842 | } | |
2843 | } | |
2844 | ||
2845 | /* | |
2846 | * We are really removing the last entry/entries from this section, and | |
2847 | * there are no enclosed or surrounding comments. Remove the entire, | |
2848 | * now-empty section. | |
2849 | */ | |
2850 | *seen_ptr = seen; | |
2851 | *begin_offset = begin; | |
2852 | if (i < store->parsed_nr) | |
2853 | *end_offset = store->parsed[i].begin; | |
2854 | else | |
2855 | *end_offset = store->parsed[store->parsed_nr - 1].end; | |
4ddba79d JS |
2856 | } |
2857 | ||
30598ad0 PS |
2858 | int git_config_set_in_file_gently(const char *config_filename, |
2859 | const char *key, const char *value) | |
5ec31182 | 2860 | { |
30598ad0 | 2861 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
2862 | } |
2863 | ||
3d180648 PS |
2864 | void git_config_set_in_file(const char *config_filename, |
2865 | const char *key, const char *value) | |
10bea152 | 2866 | { |
3d180648 | 2867 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
2868 | } |
2869 | ||
30598ad0 | 2870 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 2871 | { |
30598ad0 | 2872 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
2873 | } |
2874 | ||
3d180648 | 2875 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 2876 | { |
3d180648 | 2877 | git_config_set_multivar(key, value, NULL, 0); |
ee4512ed JH |
2878 | |
2879 | trace2_cmd_set_config(key, value); | |
10bea152 JS |
2880 | } |
2881 | ||
2882 | /* | |
2883 | * If value==NULL, unset in (remove from) config, | |
247e2f82 DS |
2884 | * if value_pattern!=NULL, disregard key/value pairs where value does not match. |
2885 | * if value_pattern==CONFIG_REGEX_NONE, do not match any existing values | |
c1063be2 | 2886 | * (only add a new one) |
504ee129 DS |
2887 | * if flags contains the CONFIG_FLAGS_MULTI_REPLACE flag, all matching |
2888 | * key/values are removed before a single new pair is written. If the | |
2889 | * flag is not present, then replace only the first match. | |
10bea152 JS |
2890 | * |
2891 | * Returns 0 on success. | |
2892 | * | |
2893 | * This function does this: | |
2894 | * | |
2895 | * - it locks the config file by creating ".git/config.lock" | |
2896 | * | |
2897 | * - it then parses the config using store_aux() as validator to find | |
2898 | * the position on the key/value pair to replace. If it is to be unset, | |
2899 | * it must be found exactly once. | |
2900 | * | |
2901 | * - the config file is mmap()ed and the part before the match (if any) is | |
2902 | * written to the lock file, then the changed part and the rest. | |
2903 | * | |
2904 | * - the config file is removed and the lock file rename()d to it. | |
2905 | * | |
2906 | */ | |
30598ad0 PS |
2907 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
2908 | const char *key, const char *value, | |
247e2f82 | 2909 | const char *value_pattern, |
504ee129 | 2910 | unsigned flags) |
10bea152 | 2911 | { |
54d160ec | 2912 | int fd = -1, in_fd = -1; |
dafc88b1 | 2913 | int ret; |
bfffb48c | 2914 | struct lock_file lock = LOCK_INIT; |
0a5f5759 | 2915 | char *filename_buf = NULL; |
3a1b3126 JK |
2916 | char *contents = NULL; |
2917 | size_t contents_sz; | |
fee8572c JS |
2918 | struct config_store_data store; |
2919 | ||
2920 | memset(&store, 0, sizeof(store)); | |
4ddba79d | 2921 | |
b09c53a3 LP |
2922 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
2923 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
2924 | if (ret) | |
dafc88b1 | 2925 | goto out_free; |
b17e659d | 2926 | |
504ee129 | 2927 | store.multi_replace = (flags & CONFIG_FLAGS_MULTI_REPLACE) != 0; |
10bea152 | 2928 | |
0a5f5759 JK |
2929 | if (!config_filename) |
2930 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
2931 | |
2932 | /* | |
6cbf973c | 2933 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
2934 | * contents of .git/config will be written into it. |
2935 | */ | |
bfffb48c | 2936 | fd = hold_lock_file_for_update(&lock, config_filename, 0); |
6cbf973c | 2937 | if (fd < 0) { |
a769bfc7 | 2938 | error_errno(_("could not lock config file %s"), config_filename); |
7a397419 | 2939 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 2940 | goto out_free; |
10bea152 JS |
2941 | } |
2942 | ||
2943 | /* | |
2944 | * If .git/config does not exist yet, write a minimal version. | |
2945 | */ | |
88fb958b AR |
2946 | in_fd = open(config_filename, O_RDONLY); |
2947 | if ( in_fd < 0 ) { | |
88fb958b | 2948 | if ( ENOENT != errno ) { |
a769bfc7 | 2949 | error_errno(_("opening %s"), config_filename); |
7a397419 | 2950 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 2951 | goto out_free; |
88fb958b | 2952 | } |
10bea152 JS |
2953 | /* if nothing to unset, error out */ |
2954 | if (value == NULL) { | |
7a397419 | 2955 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2956 | goto out_free; |
10bea152 JS |
2957 | } |
2958 | ||
e7347cb9 MÅ |
2959 | free(store.key); |
2960 | store.key = xstrdup(key); | |
fee8572c JS |
2961 | if (write_section(fd, key, &store) < 0 || |
2962 | write_pair(fd, key, value, &store) < 0) | |
93c1e079 JH |
2963 | goto write_err_out; |
2964 | } else { | |
88fb958b | 2965 | struct stat st; |
3a1b3126 | 2966 | size_t copy_begin, copy_end; |
dc49cd76 | 2967 | int i, new_line = 0; |
6ae996f2 | 2968 | struct config_options opts; |
10bea152 | 2969 | |
247e2f82 DS |
2970 | if (value_pattern == NULL) |
2971 | store.value_pattern = NULL; | |
2972 | else if (value_pattern == CONFIG_REGEX_NONE) | |
2973 | store.value_pattern = CONFIG_REGEX_NONE; | |
c90702a1 DS |
2974 | else if (flags & CONFIG_FLAGS_FIXED_VALUE) |
2975 | store.fixed_value = value_pattern; | |
10bea152 | 2976 | else { |
247e2f82 | 2977 | if (value_pattern[0] == '!') { |
f98d863d | 2978 | store.do_not_match = 1; |
247e2f82 | 2979 | value_pattern++; |
f98d863d JS |
2980 | } else |
2981 | store.do_not_match = 0; | |
2982 | ||
247e2f82 DS |
2983 | store.value_pattern = (regex_t*)xmalloc(sizeof(regex_t)); |
2984 | if (regcomp(store.value_pattern, value_pattern, | |
10bea152 | 2985 | REG_EXTENDED)) { |
247e2f82 DS |
2986 | error(_("invalid pattern: %s"), value_pattern); |
2987 | FREE_AND_NULL(store.value_pattern); | |
7a397419 | 2988 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2989 | goto out_free; |
10bea152 JS |
2990 | } |
2991 | } | |
2992 | ||
6ae996f2 JS |
2993 | ALLOC_GROW(store.parsed, 1, store.parsed_alloc); |
2994 | store.parsed[0].end = 0; | |
2995 | ||
2996 | memset(&opts, 0, sizeof(opts)); | |
2997 | opts.event_fn = store_aux_event; | |
2998 | opts.event_fn_data = &store; | |
10bea152 JS |
2999 | |
3000 | /* | |
6ae996f2 JS |
3001 | * After this, store.parsed will contain offsets of all the |
3002 | * parsed elements, and store.seen will contain a list of | |
3003 | * matches, as indices into store.parsed. | |
3004 | * | |
10bea152 JS |
3005 | * As a side effect, we make sure to transform only a valid |
3006 | * existing config file. | |
3007 | */ | |
6ae996f2 JS |
3008 | if (git_config_from_file_with_options(store_aux, |
3009 | config_filename, | |
3010 | &store, &opts)) { | |
a769bfc7 | 3011 | error(_("invalid config file %s"), config_filename); |
7a397419 | 3012 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 3013 | goto out_free; |
10bea152 JS |
3014 | } |
3015 | ||
4ddba79d | 3016 | /* if nothing to unset, or too many matches, error out */ |
668b9ade | 3017 | if ((store.seen_nr == 0 && value == NULL) || |
504ee129 | 3018 | (store.seen_nr > 1 && !store.multi_replace)) { |
7a397419 | 3019 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 3020 | goto out_free; |
10bea152 JS |
3021 | } |
3022 | ||
29647d79 NTND |
3023 | if (fstat(in_fd, &st) == -1) { |
3024 | error_errno(_("fstat on %s failed"), config_filename); | |
3025 | ret = CONFIG_INVALID_FILE; | |
3026 | goto out_free; | |
3027 | } | |
3028 | ||
dc49cd76 | 3029 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
3030 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
3031 | MAP_PRIVATE, in_fd, 0); | |
3032 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
3033 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
3034 | errno = EISDIR; | |
a769bfc7 | 3035 | error_errno(_("unable to mmap '%s'"), config_filename); |
1570856b JK |
3036 | ret = CONFIG_INVALID_FILE; |
3037 | contents = NULL; | |
3038 | goto out_free; | |
3039 | } | |
10bea152 | 3040 | close(in_fd); |
54d160ec | 3041 | in_fd = -1; |
10bea152 | 3042 | |
bfffb48c | 3043 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 3044 | error_errno(_("chmod on %s failed"), get_lock_file_path(&lock)); |
daa22c6f EW |
3045 | ret = CONFIG_NO_WRITE; |
3046 | goto out_free; | |
3047 | } | |
3048 | ||
6ae996f2 JS |
3049 | if (store.seen_nr == 0) { |
3050 | if (!store.seen_alloc) { | |
3051 | /* Did not see key nor section */ | |
3052 | ALLOC_GROW(store.seen, 1, store.seen_alloc); | |
3053 | store.seen[0] = store.parsed_nr | |
3054 | - !!store.parsed_nr; | |
3055 | } | |
668b9ade | 3056 | store.seen_nr = 1; |
6ae996f2 | 3057 | } |
4ddba79d | 3058 | |
668b9ade | 3059 | for (i = 0, copy_begin = 0; i < store.seen_nr; i++) { |
6ae996f2 JS |
3060 | size_t replace_end; |
3061 | int j = store.seen[i]; | |
3062 | ||
46fc89ce | 3063 | new_line = 0; |
6ae996f2 | 3064 | if (!store.key_seen) { |
c71d8bb3 JS |
3065 | copy_end = store.parsed[j].end; |
3066 | /* include '\n' when copying section header */ | |
3067 | if (copy_end > 0 && copy_end < contents_sz && | |
3068 | contents[copy_end - 1] != '\n' && | |
3069 | contents[copy_end] == '\n') | |
3070 | copy_end++; | |
3071 | replace_end = copy_end; | |
6ae996f2 JS |
3072 | } else { |
3073 | replace_end = store.parsed[j].end; | |
3074 | copy_end = store.parsed[j].begin; | |
22aedfcc | 3075 | if (!value) |
a263ea84 | 3076 | maybe_remove_section(&store, |
22aedfcc JS |
3077 | ©_end, |
3078 | &replace_end, &i); | |
6ae996f2 JS |
3079 | /* |
3080 | * Swallow preceding white-space on the same | |
3081 | * line. | |
3082 | */ | |
3083 | while (copy_end > 0 ) { | |
3084 | char c = contents[copy_end - 1]; | |
3085 | ||
3086 | if (isspace(c) && c != '\n') | |
3087 | copy_end--; | |
3088 | else | |
3089 | break; | |
3090 | } | |
3091 | } | |
4ddba79d | 3092 | |
02e5ba4a JK |
3093 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
3094 | new_line = 1; | |
3095 | ||
4ddba79d JS |
3096 | /* write the first part of the config */ |
3097 | if (copy_end > copy_begin) { | |
93c1e079 | 3098 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 3099 | copy_end - copy_begin) < 0) |
93c1e079 JH |
3100 | goto write_err_out; |
3101 | if (new_line && | |
06f46f23 | 3102 | write_str_in_full(fd, "\n") < 0) |
93c1e079 | 3103 | goto write_err_out; |
4ddba79d | 3104 | } |
6ae996f2 | 3105 | copy_begin = replace_end; |
10bea152 JS |
3106 | } |
3107 | ||
10bea152 JS |
3108 | /* write the pair (value == NULL means unset) */ |
3109 | if (value != NULL) { | |
5221c315 | 3110 | if (!store.section_seen) { |
fee8572c | 3111 | if (write_section(fd, key, &store) < 0) |
93c1e079 | 3112 | goto write_err_out; |
480c9e52 | 3113 | } |
fee8572c | 3114 | if (write_pair(fd, key, value, &store) < 0) |
93c1e079 | 3115 | goto write_err_out; |
10bea152 JS |
3116 | } |
3117 | ||
3118 | /* write the rest of the config */ | |
dc49cd76 | 3119 | if (copy_begin < contents_sz) |
93c1e079 | 3120 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 3121 | contents_sz - copy_begin) < 0) |
93c1e079 | 3122 | goto write_err_out; |
7a64592c KB |
3123 | |
3124 | munmap(contents, contents_sz); | |
3125 | contents = NULL; | |
10bea152 JS |
3126 | } |
3127 | ||
bfffb48c | 3128 | if (commit_lock_file(&lock) < 0) { |
a769bfc7 | 3129 | error_errno(_("could not write config file %s"), config_filename); |
7a397419 | 3130 | ret = CONFIG_NO_WRITE; |
dafc88b1 | 3131 | goto out_free; |
10bea152 JS |
3132 | } |
3133 | ||
dafc88b1 SH |
3134 | ret = 0; |
3135 | ||
3c8687a7 TA |
3136 | /* Invalidate the config cache */ |
3137 | git_config_clear(); | |
3138 | ||
dafc88b1 | 3139 | out_free: |
bfffb48c | 3140 | rollback_lock_file(&lock); |
0a5f5759 | 3141 | free(filename_buf); |
3a1b3126 JK |
3142 | if (contents) |
3143 | munmap(contents, contents_sz); | |
54d160ec SS |
3144 | if (in_fd >= 0) |
3145 | close(in_fd); | |
2a00e594 | 3146 | config_store_data_clear(&store); |
dafc88b1 | 3147 | return ret; |
93c1e079 JH |
3148 | |
3149 | write_err_out: | |
bfffb48c | 3150 | ret = write_error(get_lock_file_path(&lock)); |
93c1e079 JH |
3151 | goto out_free; |
3152 | ||
10bea152 JS |
3153 | } |
3154 | ||
3d180648 PS |
3155 | void git_config_set_multivar_in_file(const char *config_filename, |
3156 | const char *key, const char *value, | |
247e2f82 | 3157 | const char *value_pattern, unsigned flags) |
b4c8aba6 | 3158 | { |
1cae428e | 3159 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
247e2f82 | 3160 | value_pattern, flags)) |
1cae428e JK |
3161 | return; |
3162 | if (value) | |
8c3ca351 | 3163 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
3164 | else |
3165 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
3166 | } |
3167 | ||
30598ad0 | 3168 | int git_config_set_multivar_gently(const char *key, const char *value, |
247e2f82 | 3169 | const char *value_pattern, unsigned flags) |
5ec31182 | 3170 | { |
247e2f82 | 3171 | return git_config_set_multivar_in_file_gently(NULL, key, value, value_pattern, |
504ee129 | 3172 | flags); |
5ec31182 RR |
3173 | } |
3174 | ||
3d180648 | 3175 | void git_config_set_multivar(const char *key, const char *value, |
247e2f82 | 3176 | const char *value_pattern, unsigned flags) |
5ec31182 | 3177 | { |
247e2f82 | 3178 | git_config_set_multivar_in_file(NULL, key, value, value_pattern, |
504ee129 | 3179 | flags); |
5ec31182 RR |
3180 | } |
3181 | ||
118f8b24 PB |
3182 | static int section_name_match (const char *buf, const char *name) |
3183 | { | |
3184 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
3185 | if (buf[i] != '[') |
3186 | return 0; | |
3187 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
3188 | if (!dot && isspace(buf[i])) { |
3189 | dot = 1; | |
3190 | if (name[j++] != '.') | |
3191 | break; | |
3192 | for (i++; isspace(buf[i]); i++) | |
3193 | ; /* do nothing */ | |
3194 | if (buf[i] != '"') | |
3195 | break; | |
3196 | continue; | |
3197 | } | |
3198 | if (buf[i] == '\\' && dot) | |
3199 | i++; | |
3200 | else if (buf[i] == '"' && dot) { | |
3201 | for (i++; isspace(buf[i]); i++) | |
3202 | ; /* do_nothing */ | |
3203 | break; | |
3204 | } | |
3205 | if (buf[i] != name[j++]) | |
3206 | break; | |
3207 | } | |
a4c0d463 AV |
3208 | if (buf[i] == ']' && name[j] == 0) { |
3209 | /* | |
3210 | * We match, now just find the right length offset by | |
3211 | * gobbling up any whitespace after it, as well | |
3212 | */ | |
3213 | i++; | |
3214 | for (; buf[i] && isspace(buf[i]); i++) | |
3215 | ; /* do nothing */ | |
3216 | return i; | |
3217 | } | |
3218 | return 0; | |
118f8b24 PB |
3219 | } |
3220 | ||
94a35b1a JK |
3221 | static int section_name_is_ok(const char *name) |
3222 | { | |
3223 | /* Empty section names are bogus. */ | |
3224 | if (!*name) | |
3225 | return 0; | |
3226 | ||
3227 | /* | |
3228 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
3229 | * anything goes, so we can stop checking. | |
3230 | */ | |
3231 | for (; *name && *name != '.'; name++) | |
3232 | if (*name != '-' && !isalnum(*name)) | |
3233 | return 0; | |
3234 | return 1; | |
3235 | } | |
3236 | ||
118f8b24 | 3237 | /* if new_name == NULL, the section is removed instead */ |
52d59cc6 | 3238 | static int git_config_copy_or_rename_section_in_file(const char *config_filename, |
fee8572c JS |
3239 | const char *old_name, |
3240 | const char *new_name, int copy) | |
0667fcfb | 3241 | { |
118f8b24 | 3242 | int ret = 0, remove = 0; |
42bd39b5 | 3243 | char *filename_buf = NULL; |
837e34eb | 3244 | struct lock_file lock = LOCK_INIT; |
0667fcfb JS |
3245 | int out_fd; |
3246 | char buf[1024]; | |
4db7dbdb | 3247 | FILE *config_file = NULL; |
daa22c6f | 3248 | struct stat st; |
52d59cc6 | 3249 | struct strbuf copystr = STRBUF_INIT; |
fee8572c JS |
3250 | struct config_store_data store; |
3251 | ||
3252 | memset(&store, 0, sizeof(store)); | |
0667fcfb | 3253 | |
94a35b1a | 3254 | if (new_name && !section_name_is_ok(new_name)) { |
a769bfc7 | 3255 | ret = error(_("invalid section name: %s"), new_name); |
c06fa62d | 3256 | goto out_no_rollback; |
94a35b1a JK |
3257 | } |
3258 | ||
42bd39b5 JK |
3259 | if (!config_filename) |
3260 | config_filename = filename_buf = git_pathdup("config"); | |
3261 | ||
837e34eb | 3262 | out_fd = hold_lock_file_for_update(&lock, config_filename, 0); |
fc1905bb | 3263 | if (out_fd < 0) { |
a769bfc7 | 3264 | ret = error(_("could not lock config file %s"), config_filename); |
fc1905bb JH |
3265 | goto out; |
3266 | } | |
0667fcfb | 3267 | |
fc1905bb | 3268 | if (!(config_file = fopen(config_filename, "rb"))) { |
11dc1fcb NTND |
3269 | ret = warn_on_fopen_errors(config_filename); |
3270 | if (ret) | |
3271 | goto out; | |
01ebb9dc | 3272 | /* no config file means nothing to rename, no error */ |
6e45b43f | 3273 | goto commit_and_out; |
fc1905bb | 3274 | } |
0667fcfb | 3275 | |
29647d79 NTND |
3276 | if (fstat(fileno(config_file), &st) == -1) { |
3277 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
3278 | goto out; | |
3279 | } | |
daa22c6f | 3280 | |
837e34eb | 3281 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 3282 | ret = error_errno(_("chmod on %s failed"), |
837e34eb | 3283 | get_lock_file_path(&lock)); |
daa22c6f EW |
3284 | goto out; |
3285 | } | |
3286 | ||
0667fcfb | 3287 | while (fgets(buf, sizeof(buf), config_file)) { |
aec0bba1 | 3288 | unsigned i; |
480c9e52 | 3289 | int length; |
52d59cc6 | 3290 | int is_section = 0; |
9a5abfc7 | 3291 | char *output = buf; |
0667fcfb JS |
3292 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
3293 | ; /* do nothing */ | |
3294 | if (buf[i] == '[') { | |
3295 | /* it's a section */ | |
52d59cc6 SD |
3296 | int offset; |
3297 | is_section = 1; | |
3298 | ||
3299 | /* | |
3300 | * When encountering a new section under -c we | |
3301 | * need to flush out any section we're already | |
3302 | * coping and begin anew. There might be | |
3303 | * multiple [branch "$name"] sections. | |
3304 | */ | |
3305 | if (copystr.len > 0) { | |
c5e3bc6e | 3306 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3307 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3308 | goto out; |
3309 | } | |
3310 | strbuf_reset(©str); | |
3311 | } | |
3312 | ||
3313 | offset = section_name_match(&buf[i], old_name); | |
a4c0d463 | 3314 | if (offset > 0) { |
118f8b24 PB |
3315 | ret++; |
3316 | if (new_name == NULL) { | |
3317 | remove = 1; | |
0667fcfb JS |
3318 | continue; |
3319 | } | |
0667fcfb | 3320 | store.baselen = strlen(new_name); |
52d59cc6 | 3321 | if (!copy) { |
fee8572c | 3322 | if (write_section(out_fd, new_name, &store) < 0) { |
0b646bca | 3323 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3324 | goto out; |
3325 | } | |
9a5abfc7 | 3326 | /* |
52d59cc6 SD |
3327 | * We wrote out the new section, with |
3328 | * a newline, now skip the old | |
3329 | * section's length | |
9a5abfc7 | 3330 | */ |
52d59cc6 SD |
3331 | output += offset + i; |
3332 | if (strlen(output) > 0) { | |
3333 | /* | |
3334 | * More content means there's | |
3335 | * a declaration to put on the | |
3336 | * next line; indent with a | |
3337 | * tab | |
3338 | */ | |
3339 | output -= 1; | |
3340 | output[0] = '\t'; | |
3341 | } | |
3342 | } else { | |
fee8572c | 3343 | copystr = store_create_section(new_name, &store); |
9a5abfc7 | 3344 | } |
0667fcfb | 3345 | } |
118f8b24 | 3346 | remove = 0; |
0667fcfb | 3347 | } |
118f8b24 PB |
3348 | if (remove) |
3349 | continue; | |
9a5abfc7 | 3350 | length = strlen(output); |
52d59cc6 SD |
3351 | |
3352 | if (!is_section && copystr.len > 0) { | |
3353 | strbuf_add(©str, output, length); | |
3354 | } | |
3355 | ||
06f46f23 | 3356 | if (write_in_full(out_fd, output, length) < 0) { |
837e34eb | 3357 | ret = write_error(get_lock_file_path(&lock)); |
480c9e52 AW |
3358 | goto out; |
3359 | } | |
0667fcfb | 3360 | } |
52d59cc6 SD |
3361 | |
3362 | /* | |
3363 | * Copy a trailing section at the end of the config, won't be | |
3364 | * flushed by the usual "flush because we have a new section | |
3365 | * logic in the loop above. | |
3366 | */ | |
3367 | if (copystr.len > 0) { | |
c5e3bc6e | 3368 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3369 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3370 | goto out; |
3371 | } | |
3372 | strbuf_reset(©str); | |
3373 | } | |
3374 | ||
fc1905bb | 3375 | fclose(config_file); |
4db7dbdb | 3376 | config_file = NULL; |
6e45b43f | 3377 | commit_and_out: |
837e34eb | 3378 | if (commit_lock_file(&lock) < 0) |
a769bfc7 | 3379 | ret = error_errno(_("could not write config file %s"), |
f0658ec9 | 3380 | config_filename); |
8b590075 | 3381 | out: |
4db7dbdb JS |
3382 | if (config_file) |
3383 | fclose(config_file); | |
837e34eb | 3384 | rollback_lock_file(&lock); |
c06fa62d | 3385 | out_no_rollback: |
42bd39b5 | 3386 | free(filename_buf); |
2a00e594 | 3387 | config_store_data_clear(&store); |
0667fcfb JS |
3388 | return ret; |
3389 | } | |
40ea4ed9 | 3390 | |
52d59cc6 SD |
3391 | int git_config_rename_section_in_file(const char *config_filename, |
3392 | const char *old_name, const char *new_name) | |
3393 | { | |
3394 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3395 | old_name, new_name, 0); | |
3396 | } | |
3397 | ||
42bd39b5 JK |
3398 | int git_config_rename_section(const char *old_name, const char *new_name) |
3399 | { | |
4a7bb5ba | 3400 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
3401 | } |
3402 | ||
52d59cc6 SD |
3403 | int git_config_copy_section_in_file(const char *config_filename, |
3404 | const char *old_name, const char *new_name) | |
3405 | { | |
3406 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3407 | old_name, new_name, 1); | |
3408 | } | |
3409 | ||
3410 | int git_config_copy_section(const char *old_name, const char *new_name) | |
3411 | { | |
3412 | return git_config_copy_section_in_file(NULL, old_name, new_name); | |
3413 | } | |
3414 | ||
40ea4ed9 JH |
3415 | /* |
3416 | * Call this to report error for your variable that should not | |
3417 | * get a boolean value (i.e. "[my] var" means "true"). | |
3418 | */ | |
a469a101 | 3419 | #undef config_error_nonbool |
40ea4ed9 JH |
3420 | int config_error_nonbool(const char *var) |
3421 | { | |
a769bfc7 | 3422 | return error(_("missing value for '%s'"), var); |
40ea4ed9 | 3423 | } |
1b86bbb0 JK |
3424 | |
3425 | int parse_config_key(const char *var, | |
3426 | const char *section, | |
f5914f4b | 3427 | const char **subsection, size_t *subsection_len, |
1b86bbb0 JK |
3428 | const char **key) |
3429 | { | |
1b86bbb0 JK |
3430 | const char *dot; |
3431 | ||
3432 | /* Does it start with "section." ? */ | |
e3394fdc | 3433 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
3434 | return -1; |
3435 | ||
3436 | /* | |
3437 | * Find the key; we don't know yet if we have a subsection, but we must | |
3438 | * parse backwards from the end, since the subsection may have dots in | |
3439 | * it, too. | |
3440 | */ | |
3441 | dot = strrchr(var, '.'); | |
3442 | *key = dot + 1; | |
3443 | ||
3444 | /* Did we have a subsection at all? */ | |
e3394fdc | 3445 | if (dot == var) { |
48f8d9f7 JK |
3446 | if (subsection) { |
3447 | *subsection = NULL; | |
3448 | *subsection_len = 0; | |
3449 | } | |
1b86bbb0 JK |
3450 | } |
3451 | else { | |
48f8d9f7 JK |
3452 | if (!subsection) |
3453 | return -1; | |
e3394fdc | 3454 | *subsection = var + 1; |
1b86bbb0 JK |
3455 | *subsection_len = dot - *subsection; |
3456 | } | |
3457 | ||
3458 | return 0; | |
3459 | } | |
473166b9 LS |
3460 | |
3461 | const char *current_config_origin_type(void) | |
3462 | { | |
1b8132d9 | 3463 | int type; |
0d44a2da JK |
3464 | if (current_config_kvi) |
3465 | type = current_config_kvi->origin_type; | |
3466 | else if(cf) | |
3467 | type = cf->origin_type; | |
3468 | else | |
033abf97 | 3469 | BUG("current_config_origin_type called outside config callback"); |
1b8132d9 VA |
3470 | |
3471 | switch (type) { | |
3472 | case CONFIG_ORIGIN_BLOB: | |
3473 | return "blob"; | |
3474 | case CONFIG_ORIGIN_FILE: | |
3475 | return "file"; | |
3476 | case CONFIG_ORIGIN_STDIN: | |
3477 | return "standard input"; | |
3478 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
3479 | return "submodule-blob"; | |
3480 | case CONFIG_ORIGIN_CMDLINE: | |
3481 | return "command line"; | |
3482 | default: | |
033abf97 | 3483 | BUG("unknown config origin type"); |
1b8132d9 | 3484 | } |
473166b9 LS |
3485 | } |
3486 | ||
a5cb4204 MR |
3487 | const char *config_scope_name(enum config_scope scope) |
3488 | { | |
3489 | switch (scope) { | |
3490 | case CONFIG_SCOPE_SYSTEM: | |
3491 | return "system"; | |
3492 | case CONFIG_SCOPE_GLOBAL: | |
3493 | return "global"; | |
6dc905d9 MR |
3494 | case CONFIG_SCOPE_LOCAL: |
3495 | return "local"; | |
3496 | case CONFIG_SCOPE_WORKTREE: | |
3497 | return "worktree"; | |
6766e41b MR |
3498 | case CONFIG_SCOPE_COMMAND: |
3499 | return "command"; | |
9a83d088 MR |
3500 | case CONFIG_SCOPE_SUBMODULE: |
3501 | return "submodule"; | |
a5cb4204 MR |
3502 | default: |
3503 | return "unknown"; | |
3504 | } | |
3505 | } | |
3506 | ||
473166b9 LS |
3507 | const char *current_config_name(void) |
3508 | { | |
0d44a2da JK |
3509 | const char *name; |
3510 | if (current_config_kvi) | |
3511 | name = current_config_kvi->filename; | |
3512 | else if (cf) | |
3513 | name = cf->name; | |
3514 | else | |
033abf97 | 3515 | BUG("current_config_name called outside config callback"); |
0d44a2da | 3516 | return name ? name : ""; |
473166b9 | 3517 | } |
9acc5911 JK |
3518 | |
3519 | enum config_scope current_config_scope(void) | |
3520 | { | |
3521 | if (current_config_kvi) | |
3522 | return current_config_kvi->scope; | |
3523 | else | |
3524 | return current_parsing_scope; | |
473166b9 | 3525 | } |
a73b3680 | 3526 | |
f2a2327a BW |
3527 | int current_config_line(void) |
3528 | { | |
3529 | if (current_config_kvi) | |
3530 | return current_config_kvi->linenr; | |
3531 | else | |
3532 | return cf->linenr; | |
3533 | } | |
3534 | ||
a73b3680 NTND |
3535 | int lookup_config(const char **mapping, int nr_mapping, const char *var) |
3536 | { | |
3537 | int i; | |
3538 | ||
3539 | for (i = 0; i < nr_mapping; i++) { | |
3540 | const char *name = mapping[i]; | |
3541 | ||
3542 | if (name && !strcasecmp(var, name)) | |
3543 | return i; | |
3544 | } | |
3545 | return -1; | |
3546 | } |