]>
Commit | Line | Data |
---|---|---|
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 | */ | |
5e3f94df | 8 | #include "git-compat-util.h" |
0b027f6c | 9 | #include "abspath.h" |
6c6ddf92 | 10 | #include "advice.h" |
88c7b4c3 | 11 | #include "date.h" |
e730b81d | 12 | #include "branch.h" |
b2141fc1 | 13 | #include "config.h" |
73359a9b | 14 | #include "convert.h" |
d8d77153 | 15 | #include "environment.h" |
f394e093 | 16 | #include "gettext.h" |
b5fa6081 | 17 | #include "ident.h" |
3b256228 | 18 | #include "repository.h" |
697cc8ef | 19 | #include "lockfile.h" |
47115569 | 20 | #include "mailmap.h" |
d807c4a0 | 21 | #include "exec-cmd.h" |
572e4f6a | 22 | #include "strbuf.h" |
2b64fc89 | 23 | #include "quote.h" |
3c8687a7 TA |
24 | #include "hashmap.h" |
25 | #include "string-list.h" | |
dabab1d6 | 26 | #include "object-name.h" |
a034e910 | 27 | #include "object-store-ll.h" |
ca4eed70 | 28 | #include "pager.h" |
c339932b | 29 | #include "path.h" |
599446dc | 30 | #include "utf8.h" |
3efd0bed | 31 | #include "dir.h" |
6d2f9acc | 32 | #include "color.h" |
cbeab747 | 33 | #include "replace-object.h" |
07b2c0ea | 34 | #include "refs.h" |
e38da487 | 35 | #include "setup.h" |
08c46a49 | 36 | #include "strvec.h" |
74ea5c95 | 37 | #include "trace2.h" |
dd77d587 | 38 | #include "wildmatch.h" |
fe187339 | 39 | #include "worktree.h" |
64122313 | 40 | #include "ws.h" |
d48be35c | 41 | #include "write-or-die.h" |
17712991 | 42 | |
4d8dd149 HV |
43 | struct config_source { |
44 | struct config_source *prev; | |
45 | union { | |
46 | FILE *file; | |
1bc88819 HV |
47 | struct config_buf { |
48 | const char *buf; | |
49 | size_t len; | |
50 | size_t pos; | |
51 | } buf; | |
4d8dd149 | 52 | } u; |
1b8132d9 | 53 | enum config_origin_type origin_type; |
924aaf3e | 54 | const char *name; |
d14d4244 | 55 | const char *path; |
66f97228 | 56 | enum config_error_action default_error_action; |
924aaf3e RJ |
57 | int linenr; |
58 | int eof; | |
348482de | 59 | size_t total_len; |
924aaf3e | 60 | struct strbuf value; |
0971e992 | 61 | struct strbuf var; |
2d84f13d | 62 | unsigned subsection_case_sensitive : 1; |
924aaf3e | 63 | |
49d6cfa5 JK |
64 | int (*do_fgetc)(struct config_source *c); |
65 | int (*do_ungetc)(int c, struct config_source *conf); | |
66 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 | 67 | }; |
c009bc89 | 68 | #define CONFIG_SOURCE_INIT { 0 } |
4d8dd149 | 69 | |
8de7eeb5 | 70 | static int pack_compression_seen; |
960ccca6 DH |
71 | static int zlib_compression_seen; |
72 | ||
5b3c6507 GC |
73 | /* |
74 | * Config that comes from trusted scopes, namely: | |
75 | * - CONFIG_SCOPE_SYSTEM (e.g. /etc/gitconfig) | |
76 | * - CONFIG_SCOPE_GLOBAL (e.g. $HOME/.gitconfig, $XDG_CONFIG_HOME/git) | |
77 | * - CONFIG_SCOPE_COMMAND (e.g. "-c" option, environment variables) | |
78 | * | |
79 | * This is declared here for code cleanliness, but unlike the other | |
80 | * static variables, this does not hold config parser state. | |
81 | */ | |
82 | static struct config_set protected_config; | |
83 | ||
4d8dd149 HV |
84 | static int config_file_fgetc(struct config_source *conf) |
85 | { | |
260d408e | 86 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
87 | } |
88 | ||
89 | static int config_file_ungetc(int c, struct config_source *conf) | |
90 | { | |
91 | return ungetc(c, conf->u.file); | |
92 | } | |
93 | ||
94 | static long config_file_ftell(struct config_source *conf) | |
95 | { | |
96 | return ftell(conf->u.file); | |
97 | } | |
98 | ||
1bc88819 HV |
99 | |
100 | static int config_buf_fgetc(struct config_source *conf) | |
101 | { | |
102 | if (conf->u.buf.pos < conf->u.buf.len) | |
103 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
104 | ||
105 | return EOF; | |
106 | } | |
107 | ||
108 | static int config_buf_ungetc(int c, struct config_source *conf) | |
109 | { | |
1d0655c1 JK |
110 | if (conf->u.buf.pos > 0) { |
111 | conf->u.buf.pos--; | |
112 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
033abf97 | 113 | BUG("config_buf can only ungetc the same character"); |
1d0655c1 JK |
114 | return c; |
115 | } | |
1bc88819 HV |
116 | |
117 | return EOF; | |
118 | } | |
119 | ||
120 | static long config_buf_ftell(struct config_source *conf) | |
121 | { | |
122 | return conf->u.buf.pos; | |
123 | } | |
124 | ||
ed69e11b JT |
125 | struct config_include_data { |
126 | int depth; | |
127 | config_fn_t fn; | |
128 | void *data; | |
129 | const struct config_options *opts; | |
399b1984 | 130 | struct git_config_source *config_source; |
9b6b06c1 | 131 | struct repository *repo; |
399b1984 JT |
132 | |
133 | /* | |
134 | * All remote URLs discovered when reading all config files. | |
135 | */ | |
136 | struct string_list *remote_urls; | |
ed69e11b JT |
137 | }; |
138 | #define CONFIG_INCLUDE_INIT { 0 } | |
139 | ||
a4e7e317 GC |
140 | static int git_config_include(const char *var, const char *value, |
141 | const struct config_context *ctx, void *data); | |
ed69e11b | 142 | |
9b25a0b5 | 143 | #define MAX_INCLUDE_DEPTH 10 |
a769bfc7 | 144 | static const char include_depth_advice[] = N_( |
9b25a0b5 JK |
145 | "exceeded maximum include depth (%d) while including\n" |
146 | " %s\n" | |
147 | "from\n" | |
148 | " %s\n" | |
27c929ed | 149 | "This might be due to circular includes."); |
908857a9 | 150 | static int handle_path_include(const struct key_value_info *kvi, |
26b66932 | 151 | const char *path, |
c97f3ed2 | 152 | struct config_include_data *inc) |
9b25a0b5 JK |
153 | { |
154 | int ret = 0; | |
155 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 156 | char *expanded; |
4c0a89fc | 157 | |
67beb600 JK |
158 | if (!path) |
159 | return config_error_nonbool("include.path"); | |
160 | ||
a03b097d | 161 | expanded = interpolate_path(path, 0); |
4c0a89fc | 162 | if (!expanded) |
a769bfc7 | 163 | return error(_("could not expand include path '%s'"), path); |
4c0a89fc | 164 | path = expanded; |
9b25a0b5 JK |
165 | |
166 | /* | |
167 | * Use an absolute path as-is, but interpret relative paths | |
168 | * based on the including config file. | |
169 | */ | |
170 | if (!is_absolute_path(path)) { | |
171 | char *slash; | |
172 | ||
908857a9 | 173 | if (!kvi || !kvi->path) { |
25ad7221 ÆAB |
174 | ret = error(_("relative config includes must come from files")); |
175 | goto cleanup; | |
176 | } | |
9b25a0b5 | 177 | |
908857a9 | 178 | slash = find_last_dir_sep(kvi->path); |
9b25a0b5 | 179 | if (slash) |
908857a9 | 180 | strbuf_add(&buf, kvi->path, slash - kvi->path + 1); |
9b25a0b5 JK |
181 | strbuf_addstr(&buf, path); |
182 | path = buf.buf; | |
183 | } | |
184 | ||
4698c8fe | 185 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 | 186 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
a769bfc7 | 187 | die(_(include_depth_advice), MAX_INCLUDE_DEPTH, path, |
908857a9 GC |
188 | !kvi ? "<unknown>" : |
189 | kvi->filename ? kvi->filename : | |
3258258f | 190 | "the command line"); |
809d8680 | 191 | ret = git_config_from_file_with_options(git_config_include, path, inc, |
26b66932 | 192 | kvi->scope, NULL); |
9b25a0b5 JK |
193 | inc->depth--; |
194 | } | |
25ad7221 | 195 | cleanup: |
9b25a0b5 | 196 | strbuf_release(&buf); |
4c0a89fc | 197 | free(expanded); |
9b25a0b5 JK |
198 | return ret; |
199 | } | |
200 | ||
07b2c0ea DL |
201 | static void add_trailing_starstar_for_dir(struct strbuf *pat) |
202 | { | |
203 | if (pat->len && is_dir_sep(pat->buf[pat->len - 1])) | |
204 | strbuf_addstr(pat, "**"); | |
205 | } | |
206 | ||
908857a9 | 207 | static int prepare_include_condition_pattern(const struct key_value_info *kvi, |
c97f3ed2 | 208 | struct strbuf *pat) |
3efd0bed NTND |
209 | { |
210 | struct strbuf path = STRBUF_INIT; | |
211 | char *expanded; | |
212 | int prefix = 0; | |
213 | ||
a03b097d | 214 | expanded = interpolate_path(pat->buf, 1); |
3efd0bed NTND |
215 | if (expanded) { |
216 | strbuf_reset(pat); | |
217 | strbuf_addstr(pat, expanded); | |
218 | free(expanded); | |
219 | } | |
220 | ||
221 | if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) { | |
222 | const char *slash; | |
223 | ||
908857a9 | 224 | if (!kvi || !kvi->path) |
3efd0bed NTND |
225 | return error(_("relative config include " |
226 | "conditionals must come from files")); | |
227 | ||
908857a9 | 228 | strbuf_realpath(&path, kvi->path, 1); |
3efd0bed NTND |
229 | slash = find_last_dir_sep(path.buf); |
230 | if (!slash) | |
033abf97 | 231 | BUG("how is this possible?"); |
3efd0bed NTND |
232 | strbuf_splice(pat, 0, 1, path.buf, slash - path.buf); |
233 | prefix = slash - path.buf + 1 /* slash */; | |
234 | } else if (!is_absolute_path(pat->buf)) | |
a91cc7fa | 235 | strbuf_insertstr(pat, 0, "**/"); |
3efd0bed | 236 | |
07b2c0ea | 237 | add_trailing_starstar_for_dir(pat); |
3efd0bed NTND |
238 | |
239 | strbuf_release(&path); | |
240 | return prefix; | |
241 | } | |
242 | ||
908857a9 | 243 | static int include_by_gitdir(const struct key_value_info *kvi, |
c97f3ed2 | 244 | const struct config_options *opts, |
2185fde5 | 245 | const char *cond, size_t cond_len, int icase) |
3efd0bed NTND |
246 | { |
247 | struct strbuf text = STRBUF_INIT; | |
248 | struct strbuf pattern = STRBUF_INIT; | |
249 | int ret = 0, prefix; | |
2185fde5 | 250 | const char *git_dir; |
0624c63c | 251 | int already_tried_absolute = 0; |
3efd0bed | 252 | |
2185fde5 NTND |
253 | if (opts->git_dir) |
254 | git_dir = opts->git_dir; | |
2185fde5 NTND |
255 | else |
256 | goto done; | |
257 | ||
c9672ba4 | 258 | strbuf_realpath(&text, git_dir, 1); |
3efd0bed | 259 | strbuf_add(&pattern, cond, cond_len); |
908857a9 | 260 | prefix = prepare_include_condition_pattern(kvi, &pattern); |
3efd0bed | 261 | |
0624c63c | 262 | again: |
3efd0bed NTND |
263 | if (prefix < 0) |
264 | goto done; | |
265 | ||
266 | if (prefix > 0) { | |
267 | /* | |
268 | * perform literal matching on the prefix part so that | |
269 | * any wildcard character in it can't create side effects. | |
270 | */ | |
271 | if (text.len < prefix) | |
272 | goto done; | |
273 | if (!icase && strncmp(pattern.buf, text.buf, prefix)) | |
274 | goto done; | |
275 | if (icase && strncasecmp(pattern.buf, text.buf, prefix)) | |
276 | goto done; | |
277 | } | |
278 | ||
279 | ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, | |
19e7fdaa | 280 | WM_PATHNAME | (icase ? WM_CASEFOLD : 0)); |
3efd0bed | 281 | |
0624c63c ÆAB |
282 | if (!ret && !already_tried_absolute) { |
283 | /* | |
284 | * We've tried e.g. matching gitdir:~/work, but if | |
285 | * ~/work is a symlink to /mnt/storage/work | |
286 | * strbuf_realpath() will expand it, so the rule won't | |
287 | * match. Let's match against a | |
288 | * strbuf_add_absolute_path() version of the path, | |
289 | * which'll do the right thing | |
290 | */ | |
291 | strbuf_reset(&text); | |
292 | strbuf_add_absolute_path(&text, git_dir); | |
293 | already_tried_absolute = 1; | |
294 | goto again; | |
295 | } | |
3efd0bed NTND |
296 | done: |
297 | strbuf_release(&pattern); | |
298 | strbuf_release(&text); | |
299 | return ret; | |
300 | } | |
301 | ||
07b2c0ea DL |
302 | static int include_by_branch(const char *cond, size_t cond_len) |
303 | { | |
304 | int flags; | |
305 | int ret; | |
306 | struct strbuf pattern = STRBUF_INIT; | |
22932d91 | 307 | const char *refname = !the_repository->gitdir ? |
85fe0e80 | 308 | NULL : resolve_ref_unsafe("HEAD", 0, NULL, &flags); |
07b2c0ea DL |
309 | const char *shortname; |
310 | ||
311 | if (!refname || !(flags & REF_ISSYMREF) || | |
312 | !skip_prefix(refname, "refs/heads/", &shortname)) | |
313 | return 0; | |
314 | ||
315 | strbuf_add(&pattern, cond, cond_len); | |
316 | add_trailing_starstar_for_dir(&pattern); | |
317 | ret = !wildmatch(pattern.buf, shortname, WM_PATHNAME); | |
318 | strbuf_release(&pattern); | |
319 | return ret; | |
320 | } | |
321 | ||
a4e7e317 GC |
322 | static int add_remote_url(const char *var, const char *value, |
323 | const struct config_context *ctx UNUSED, void *data) | |
399b1984 JT |
324 | { |
325 | struct string_list *remote_urls = data; | |
326 | const char *remote_name; | |
327 | size_t remote_name_len; | |
328 | const char *key; | |
329 | ||
330 | if (!parse_config_key(var, "remote", &remote_name, &remote_name_len, | |
331 | &key) && | |
332 | remote_name && | |
333 | !strcmp(key, "url")) | |
334 | string_list_append(remote_urls, value); | |
335 | return 0; | |
336 | } | |
337 | ||
338 | static void populate_remote_urls(struct config_include_data *inc) | |
339 | { | |
340 | struct config_options opts; | |
341 | ||
399b1984 JT |
342 | opts = *inc->opts; |
343 | opts.unconditional_remote_url = 1; | |
344 | ||
399b1984 JT |
345 | inc->remote_urls = xmalloc(sizeof(*inc->remote_urls)); |
346 | string_list_init_dup(inc->remote_urls); | |
9b6b06c1 VD |
347 | config_with_options(add_remote_url, inc->remote_urls, |
348 | inc->config_source, inc->repo, &opts); | |
399b1984 JT |
349 | } |
350 | ||
5cf88fd8 | 351 | static int forbid_remote_url(const char *var, const char *value UNUSED, |
a4e7e317 | 352 | const struct config_context *ctx UNUSED, |
5cf88fd8 | 353 | void *data UNUSED) |
399b1984 JT |
354 | { |
355 | const char *remote_name; | |
356 | size_t remote_name_len; | |
357 | const char *key; | |
358 | ||
359 | if (!parse_config_key(var, "remote", &remote_name, &remote_name_len, | |
360 | &key) && | |
361 | remote_name && | |
362 | !strcmp(key, "url")) | |
363 | die(_("remote URLs cannot be configured in file directly or indirectly included by includeIf.hasconfig:remote.*.url")); | |
364 | return 0; | |
365 | } | |
366 | ||
367 | static int at_least_one_url_matches_glob(const char *glob, int glob_len, | |
368 | struct string_list *remote_urls) | |
369 | { | |
370 | struct strbuf pattern = STRBUF_INIT; | |
371 | struct string_list_item *url_item; | |
372 | int found = 0; | |
373 | ||
374 | strbuf_add(&pattern, glob, glob_len); | |
375 | for_each_string_list_item(url_item, remote_urls) { | |
376 | if (!wildmatch(pattern.buf, url_item->string, WM_PATHNAME)) { | |
377 | found = 1; | |
378 | break; | |
379 | } | |
380 | } | |
381 | strbuf_release(&pattern); | |
382 | return found; | |
383 | } | |
384 | ||
385 | static int include_by_remote_url(struct config_include_data *inc, | |
386 | const char *cond, size_t cond_len) | |
387 | { | |
388 | if (inc->opts->unconditional_remote_url) | |
389 | return 1; | |
390 | if (!inc->remote_urls) | |
391 | populate_remote_urls(inc); | |
392 | return at_least_one_url_matches_glob(cond, cond_len, | |
393 | inc->remote_urls); | |
394 | } | |
395 | ||
908857a9 | 396 | static int include_condition_is_true(const struct key_value_info *kvi, |
c97f3ed2 | 397 | struct config_include_data *inc, |
2185fde5 | 398 | const char *cond, size_t cond_len) |
3efd0bed | 399 | { |
399b1984 | 400 | const struct config_options *opts = inc->opts; |
3efd0bed NTND |
401 | |
402 | if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len)) | |
908857a9 | 403 | return include_by_gitdir(kvi, opts, cond, cond_len, 0); |
3efd0bed | 404 | else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len)) |
908857a9 | 405 | return include_by_gitdir(kvi, opts, cond, cond_len, 1); |
07b2c0ea DL |
406 | else if (skip_prefix_mem(cond, cond_len, "onbranch:", &cond, &cond_len)) |
407 | return include_by_branch(cond, cond_len); | |
399b1984 JT |
408 | else if (skip_prefix_mem(cond, cond_len, "hasconfig:remote.*.url:", &cond, |
409 | &cond_len)) | |
410 | return include_by_remote_url(inc, cond, cond_len); | |
3efd0bed NTND |
411 | |
412 | /* unknown conditionals are always false */ | |
413 | return 0; | |
414 | } | |
415 | ||
a4e7e317 GC |
416 | static int git_config_include(const char *var, const char *value, |
417 | const struct config_context *ctx, | |
418 | void *data) | |
9b25a0b5 JK |
419 | { |
420 | struct config_include_data *inc = data; | |
3efd0bed | 421 | const char *cond, *key; |
f5914f4b | 422 | size_t cond_len; |
9b25a0b5 JK |
423 | int ret; |
424 | ||
425 | /* | |
426 | * Pass along all values, including "include" directives; this makes it | |
427 | * possible to query information on the includes themselves. | |
428 | */ | |
809d8680 | 429 | ret = inc->fn(var, value, ctx, inc->data); |
9b25a0b5 JK |
430 | if (ret < 0) |
431 | return ret; | |
432 | ||
37007c3a | 433 | if (!strcmp(var, "include.path")) |
908857a9 | 434 | ret = handle_path_include(ctx->kvi, value, inc); |
3efd0bed NTND |
435 | |
436 | if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) && | |
908857a9 | 437 | cond && include_condition_is_true(ctx->kvi, inc, cond, cond_len) && |
399b1984 JT |
438 | !strcmp(key, "path")) { |
439 | config_fn_t old_fn = inc->fn; | |
440 | ||
441 | if (inc->opts->unconditional_remote_url) | |
442 | inc->fn = forbid_remote_url; | |
908857a9 | 443 | ret = handle_path_include(ctx->kvi, value, inc); |
399b1984 JT |
444 | inc->fn = old_fn; |
445 | } | |
3efd0bed | 446 | |
9b25a0b5 JK |
447 | return ret; |
448 | } | |
449 | ||
1ff21c05 | 450 | static void git_config_push_split_parameter(const char *key, const char *value) |
2b64fc89 JK |
451 | { |
452 | struct strbuf env = STRBUF_INIT; | |
453 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 454 | if (old && *old) { |
2b64fc89 JK |
455 | strbuf_addstr(&env, old); |
456 | strbuf_addch(&env, ' '); | |
457 | } | |
1ff21c05 PS |
458 | sq_quote_buf(&env, key); |
459 | strbuf_addch(&env, '='); | |
460 | if (value) | |
461 | sq_quote_buf(&env, value); | |
2b64fc89 JK |
462 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); |
463 | strbuf_release(&env); | |
464 | } | |
465 | ||
1ff21c05 PS |
466 | void git_config_push_parameter(const char *text) |
467 | { | |
468 | const char *value; | |
469 | ||
470 | /* | |
471 | * When we see: | |
472 | * | |
473 | * section.subsection=with=equals.key=value | |
474 | * | |
475 | * we cannot tell if it means: | |
476 | * | |
477 | * [section "subsection=with=equals"] | |
478 | * key = value | |
479 | * | |
480 | * or: | |
481 | * | |
482 | * [section] | |
483 | * subsection = with=equals.key=value | |
484 | * | |
485 | * We parse left-to-right for the first "=", meaning we'll prefer to | |
486 | * keep the value intact over the subsection. This is historical, but | |
487 | * also sensible since values are more likely to contain odd or | |
488 | * untrusted input than a section name. | |
489 | * | |
490 | * A missing equals is explicitly allowed (as a bool-only entry). | |
491 | */ | |
492 | value = strchr(text, '='); | |
493 | if (value) { | |
494 | char *key = xmemdupz(text, value - text); | |
495 | git_config_push_split_parameter(key, value + 1); | |
496 | free(key); | |
497 | } else { | |
498 | git_config_push_split_parameter(text, NULL); | |
499 | } | |
500 | } | |
501 | ||
ce81b1da PS |
502 | void git_config_push_env(const char *spec) |
503 | { | |
1ff21c05 | 504 | char *key; |
ce81b1da PS |
505 | const char *env_name; |
506 | const char *env_value; | |
507 | ||
508 | env_name = strrchr(spec, '='); | |
509 | if (!env_name) | |
510 | die(_("invalid config format: %s"), spec); | |
1ff21c05 | 511 | key = xmemdupz(spec, env_name - spec); |
ce81b1da PS |
512 | env_name++; |
513 | if (!*env_name) | |
514 | die(_("missing environment variable name for configuration '%.*s'"), | |
515 | (int)(env_name - spec - 1), spec); | |
516 | ||
517 | env_value = getenv(env_name); | |
518 | if (!env_value) | |
519 | die(_("missing environment variable '%s' for configuration '%.*s'"), | |
520 | env_name, (int)(env_name - spec - 1), spec); | |
521 | ||
1ff21c05 PS |
522 | git_config_push_split_parameter(key, env_value); |
523 | free(key); | |
ce81b1da PS |
524 | } |
525 | ||
ee98df3f JH |
526 | static inline int iskeychar(int c) |
527 | { | |
528 | return isalnum(c) || c == '-'; | |
529 | } | |
530 | ||
531 | /* | |
532 | * Auxiliary function to sanity-check and split the key into the section | |
533 | * identifier and variable name. | |
534 | * | |
535 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
536 | * -2 if there is no section name in the key. | |
537 | * | |
538 | * store_key - pointer to char* which will hold a copy of the key with | |
539 | * lowercase section and variable name | |
f011a965 | 540 | * baselen - pointer to size_t which will hold the length of the |
ee98df3f JH |
541 | * section + subsection part, can be NULL |
542 | */ | |
73c5f670 | 543 | int git_config_parse_key(const char *key, char **store_key, size_t *baselen_) |
ee98df3f | 544 | { |
f011a965 JK |
545 | size_t i, baselen; |
546 | int dot; | |
ee98df3f JH |
547 | const char *last_dot = strrchr(key, '.'); |
548 | ||
549 | /* | |
550 | * Since "key" actually contains the section name and the real | |
551 | * key name separated by a dot, we have to know where the dot is. | |
552 | */ | |
553 | ||
554 | if (last_dot == NULL || last_dot == key) { | |
73c5f670 | 555 | error(_("key does not contain a section: %s"), key); |
ee98df3f JH |
556 | return -CONFIG_NO_SECTION_OR_NAME; |
557 | } | |
558 | ||
559 | if (!last_dot[1]) { | |
73c5f670 | 560 | error(_("key does not contain variable name: %s"), key); |
ee98df3f JH |
561 | return -CONFIG_NO_SECTION_OR_NAME; |
562 | } | |
563 | ||
564 | baselen = last_dot - key; | |
565 | if (baselen_) | |
566 | *baselen_ = baselen; | |
567 | ||
568 | /* | |
569 | * Validate the key and while at it, lower case it for matching. | |
570 | */ | |
73c5f670 | 571 | *store_key = xmallocz(strlen(key)); |
ee98df3f JH |
572 | |
573 | dot = 0; | |
574 | for (i = 0; key[i]; i++) { | |
575 | unsigned char c = key[i]; | |
576 | if (c == '.') | |
577 | dot = 1; | |
578 | /* Leave the extended basename untouched.. */ | |
579 | if (!dot || i > baselen) { | |
580 | if (!iskeychar(c) || | |
581 | (i == baselen + 1 && !isalpha(c))) { | |
73c5f670 | 582 | error(_("invalid key: %s"), key); |
ee98df3f JH |
583 | goto out_free_ret_1; |
584 | } | |
585 | c = tolower(c); | |
586 | } else if (c == '\n') { | |
73c5f670 | 587 | error(_("invalid key (newline): %s"), key); |
ee98df3f JH |
588 | goto out_free_ret_1; |
589 | } | |
73c5f670 | 590 | (*store_key)[i] = c; |
ee98df3f JH |
591 | } |
592 | ||
593 | return 0; | |
594 | ||
595 | out_free_ret_1: | |
73c5f670 | 596 | FREE_AND_NULL(*store_key); |
ee98df3f JH |
597 | return -CONFIG_INVALID_KEY; |
598 | } | |
599 | ||
b342ae61 | 600 | static int config_parse_pair(const char *key, const char *value, |
26b66932 GC |
601 | struct key_value_info *kvi, |
602 | config_fn_t fn, void *data) | |
b342ae61 PS |
603 | { |
604 | char *canonical_name; | |
605 | int ret; | |
26b66932 GC |
606 | struct config_context ctx = { |
607 | .kvi = kvi, | |
608 | }; | |
b342ae61 PS |
609 | |
610 | if (!strlen(key)) | |
611 | return error(_("empty config key")); | |
612 | if (git_config_parse_key(key, &canonical_name, NULL)) | |
613 | return -1; | |
614 | ||
26b66932 | 615 | ret = (fn(canonical_name, value, &ctx, data) < 0) ? -1 : 0; |
b342ae61 PS |
616 | free(canonical_name); |
617 | return ret; | |
618 | } | |
619 | ||
26b66932 GC |
620 | |
621 | /* for values read from `git_config_from_parameters()` */ | |
622 | void kvi_from_param(struct key_value_info *out) | |
623 | { | |
624 | out->filename = NULL; | |
625 | out->linenr = -1; | |
626 | out->origin_type = CONFIG_ORIGIN_CMDLINE; | |
627 | out->scope = CONFIG_SCOPE_COMMAND; | |
908857a9 | 628 | out->path = NULL; |
26b66932 GC |
629 | } |
630 | ||
2496844b JK |
631 | int git_config_parse_parameter(const char *text, |
632 | config_fn_t fn, void *data) | |
8b1fa778 | 633 | { |
a789ca70 | 634 | const char *value; |
572e4f6a | 635 | struct strbuf **pair; |
1274a155 | 636 | int ret; |
26b66932 GC |
637 | struct key_value_info kvi = KVI_INIT; |
638 | ||
639 | kvi_from_param(&kvi); | |
a789ca70 | 640 | |
f77bccae | 641 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b | 642 | if (!pair[0]) |
a769bfc7 | 643 | return error(_("bogus config parameter: %s"), text); |
a789ca70 JH |
644 | |
645 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 646 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
647 | value = pair[1] ? pair[1]->buf : ""; |
648 | } else { | |
649 | value = NULL; | |
650 | } | |
651 | ||
572e4f6a AR |
652 | strbuf_trim(pair[0]); |
653 | if (!pair[0]->len) { | |
654 | strbuf_list_free(pair); | |
a769bfc7 | 655 | return error(_("bogus config parameter: %s"), text); |
8b1fa778 | 656 | } |
1274a155 | 657 | |
26b66932 | 658 | ret = config_parse_pair(pair[0]->buf, value, &kvi, fn, data); |
572e4f6a | 659 | strbuf_list_free(pair); |
1274a155 | 660 | return ret; |
8b1fa778 AR |
661 | } |
662 | ||
26b66932 GC |
663 | static int parse_config_env_list(char *env, struct key_value_info *kvi, |
664 | config_fn_t fn, void *data) | |
f9dbb64f JK |
665 | { |
666 | char *cur = env; | |
667 | while (cur && *cur) { | |
668 | const char *key = sq_dequote_step(cur, &cur); | |
669 | if (!key) | |
670 | return error(_("bogus format in %s"), | |
671 | CONFIG_DATA_ENVIRONMENT); | |
672 | ||
673 | if (!cur || isspace(*cur)) { | |
674 | /* old-style 'key=value' */ | |
675 | if (git_config_parse_parameter(key, fn, data) < 0) | |
676 | return -1; | |
677 | } | |
678 | else if (*cur == '=') { | |
679 | /* new-style 'key'='value' */ | |
680 | const char *value; | |
681 | ||
682 | cur++; | |
683 | if (*cur == '\'') { | |
684 | /* quoted value */ | |
685 | value = sq_dequote_step(cur, &cur); | |
686 | if (!value || (cur && !isspace(*cur))) { | |
687 | return error(_("bogus format in %s"), | |
688 | CONFIG_DATA_ENVIRONMENT); | |
689 | } | |
690 | } else if (!*cur || isspace(*cur)) { | |
691 | /* implicit bool: 'key'= */ | |
692 | value = NULL; | |
693 | } else { | |
694 | return error(_("bogus format in %s"), | |
695 | CONFIG_DATA_ENVIRONMENT); | |
696 | } | |
697 | ||
26b66932 | 698 | if (config_parse_pair(key, value, kvi, fn, data) < 0) |
f9dbb64f JK |
699 | return -1; |
700 | } | |
701 | else { | |
702 | /* unknown format */ | |
703 | return error(_("bogus format in %s"), | |
704 | CONFIG_DATA_ENVIRONMENT); | |
705 | } | |
706 | ||
707 | if (cur) { | |
708 | while (isspace(*cur)) | |
709 | cur++; | |
710 | } | |
711 | } | |
712 | return 0; | |
713 | } | |
714 | ||
06eb708f JK |
715 | int git_config_from_parameters(config_fn_t fn, void *data) |
716 | { | |
d8d77153 PS |
717 | const char *env; |
718 | struct strbuf envvar = STRBUF_INIT; | |
719 | struct strvec to_free = STRVEC_INIT; | |
a77d6db6 | 720 | int ret = 0; |
d8d77153 | 721 | char *envw = NULL; |
26b66932 | 722 | struct key_value_info kvi = KVI_INIT; |
3258258f | 723 | |
26b66932 | 724 | kvi_from_param(&kvi); |
d8d77153 PS |
725 | env = getenv(CONFIG_COUNT_ENVIRONMENT); |
726 | if (env) { | |
727 | unsigned long count; | |
728 | char *endp; | |
729 | int i; | |
2b64fc89 | 730 | |
d8d77153 PS |
731 | count = strtoul(env, &endp, 10); |
732 | if (*endp) { | |
733 | ret = error(_("bogus count in %s"), CONFIG_COUNT_ENVIRONMENT); | |
734 | goto out; | |
735 | } | |
736 | if (count > INT_MAX) { | |
737 | ret = error(_("too many entries in %s"), CONFIG_COUNT_ENVIRONMENT); | |
738 | goto out; | |
739 | } | |
740 | ||
741 | for (i = 0; i < count; i++) { | |
742 | const char *key, *value; | |
743 | ||
744 | strbuf_addf(&envvar, "GIT_CONFIG_KEY_%d", i); | |
745 | key = getenv_safe(&to_free, envvar.buf); | |
746 | if (!key) { | |
747 | ret = error(_("missing config key %s"), envvar.buf); | |
748 | goto out; | |
749 | } | |
750 | strbuf_reset(&envvar); | |
751 | ||
752 | strbuf_addf(&envvar, "GIT_CONFIG_VALUE_%d", i); | |
753 | value = getenv_safe(&to_free, envvar.buf); | |
754 | if (!value) { | |
755 | ret = error(_("missing config value %s"), envvar.buf); | |
756 | goto out; | |
757 | } | |
758 | strbuf_reset(&envvar); | |
759 | ||
26b66932 | 760 | if (config_parse_pair(key, value, &kvi, fn, data) < 0) { |
d8d77153 PS |
761 | ret = -1; |
762 | goto out; | |
763 | } | |
764 | } | |
2b64fc89 JK |
765 | } |
766 | ||
d8d77153 PS |
767 | env = getenv(CONFIG_DATA_ENVIRONMENT); |
768 | if (env) { | |
769 | /* sq_dequote will write over it */ | |
770 | envw = xstrdup(env); | |
26b66932 | 771 | if (parse_config_env_list(envw, &kvi, fn, data) < 0) { |
a77d6db6 JK |
772 | ret = -1; |
773 | goto out; | |
2b64fc89 JK |
774 | } |
775 | } | |
776 | ||
a77d6db6 | 777 | out: |
d8d77153 PS |
778 | strbuf_release(&envvar); |
779 | strvec_clear(&to_free); | |
2b64fc89 | 780 | free(envw); |
a77d6db6 | 781 | return ret; |
2b64fc89 JK |
782 | } |
783 | ||
9b4a6553 | 784 | static int get_next_char(struct config_source *cs) |
17712991 | 785 | { |
9b4a6553 | 786 | int c = cs->do_fgetc(cs); |
17712991 | 787 | |
dbb9a812 HV |
788 | if (c == '\r') { |
789 | /* DOS like systems */ | |
9b4a6553 | 790 | c = cs->do_fgetc(cs); |
dbb9a812 | 791 | if (c != '\n') { |
5e0be134 | 792 | if (c != EOF) |
9b4a6553 | 793 | cs->do_ungetc(c, cs); |
dbb9a812 | 794 | c = '\r'; |
17712991 LT |
795 | } |
796 | } | |
348482de | 797 | |
9b4a6553 | 798 | if (c != EOF && ++cs->total_len > INT_MAX) { |
348482de JK |
799 | /* |
800 | * This is an absurdly long config file; refuse to parse | |
801 | * further in order to protect downstream code from integer | |
802 | * overflows. Note that we can't return an error specifically, | |
803 | * but we can mark EOF and put trash in the return value, | |
804 | * which will trigger a parse error. | |
805 | */ | |
9b4a6553 | 806 | cs->eof = 1; |
348482de JK |
807 | return 0; |
808 | } | |
809 | ||
dbb9a812 | 810 | if (c == '\n') |
9b4a6553 | 811 | cs->linenr++; |
dbb9a812 | 812 | if (c == EOF) { |
9b4a6553 GC |
813 | cs->eof = 1; |
814 | cs->linenr++; | |
dbb9a812 HV |
815 | c = '\n'; |
816 | } | |
17712991 LT |
817 | return c; |
818 | } | |
819 | ||
9b4a6553 | 820 | static char *parse_value(struct config_source *cs) |
17712991 | 821 | { |
e96c19c5 | 822 | int quote = 0, comment = 0, space = 0; |
17712991 | 823 | |
9b4a6553 | 824 | strbuf_reset(&cs->value); |
17712991 | 825 | for (;;) { |
9b4a6553 | 826 | int c = get_next_char(cs); |
17712991 | 827 | if (c == '\n') { |
4b340593 | 828 | if (quote) { |
9b4a6553 | 829 | cs->linenr--; |
17712991 | 830 | return NULL; |
4b340593 | 831 | } |
9b4a6553 | 832 | return cs->value.buf; |
17712991 LT |
833 | } |
834 | if (comment) | |
835 | continue; | |
836 | if (isspace(c) && !quote) { | |
9b4a6553 | 837 | if (cs->value.len) |
ebdaae37 | 838 | space++; |
17712991 LT |
839 | continue; |
840 | } | |
7ebdba61 JS |
841 | if (!quote) { |
842 | if (c == ';' || c == '#') { | |
843 | comment = 1; | |
844 | continue; | |
845 | } | |
846 | } | |
ebdaae37 | 847 | for (; space; space--) |
9b4a6553 | 848 | strbuf_addch(&cs->value, ' '); |
17712991 | 849 | if (c == '\\') { |
9b4a6553 | 850 | c = get_next_char(cs); |
17712991 LT |
851 | switch (c) { |
852 | case '\n': | |
853 | continue; | |
854 | case 't': | |
855 | c = '\t'; | |
856 | break; | |
857 | case 'b': | |
858 | c = '\b'; | |
859 | break; | |
860 | case 'n': | |
861 | c = '\n'; | |
862 | break; | |
5cbb401d LT |
863 | /* Some characters escape as themselves */ |
864 | case '\\': case '"': | |
865 | break; | |
866 | /* Reject unknown escape sequences */ | |
867 | default: | |
868 | return NULL; | |
17712991 | 869 | } |
9b4a6553 | 870 | strbuf_addch(&cs->value, c); |
17712991 LT |
871 | continue; |
872 | } | |
873 | if (c == '"') { | |
874 | quote = 1-quote; | |
875 | continue; | |
876 | } | |
9b4a6553 | 877 | strbuf_addch(&cs->value, c); |
17712991 LT |
878 | } |
879 | } | |
880 | ||
809d8680 GC |
881 | static int get_value(struct config_source *cs, struct key_value_info *kvi, |
882 | config_fn_t fn, void *data, struct strbuf *name) | |
17712991 LT |
883 | { |
884 | int c; | |
885 | char *value; | |
b3b3f60b | 886 | int ret; |
809d8680 GC |
887 | struct config_context ctx = { |
888 | .kvi = kvi, | |
889 | }; | |
17712991 LT |
890 | |
891 | /* Get the full name */ | |
892 | for (;;) { | |
9b4a6553 GC |
893 | c = get_next_char(cs); |
894 | if (cs->eof) | |
17712991 | 895 | break; |
38c5afa8 | 896 | if (!iskeychar(c)) |
17712991 | 897 | break; |
0971e992 | 898 | strbuf_addch(name, tolower(c)); |
17712991 | 899 | } |
0971e992 | 900 | |
17712991 | 901 | while (c == ' ' || c == '\t') |
9b4a6553 | 902 | c = get_next_char(cs); |
17712991 LT |
903 | |
904 | value = NULL; | |
905 | if (c != '\n') { | |
906 | if (c != '=') | |
907 | return -1; | |
9b4a6553 | 908 | value = parse_value(cs); |
17712991 LT |
909 | if (!value) |
910 | return -1; | |
911 | } | |
b3b3f60b MM |
912 | /* |
913 | * We already consumed the \n, but we need linenr to point to | |
914 | * the line we just parsed during the call to fn to get | |
915 | * accurate line number in error messages. | |
916 | */ | |
9b4a6553 | 917 | cs->linenr--; |
809d8680 GC |
918 | kvi->linenr = cs->linenr; |
919 | ret = fn(name->buf, value, &ctx, data); | |
e2e14251 | 920 | if (ret >= 0) |
9b4a6553 | 921 | cs->linenr++; |
b3b3f60b | 922 | return ret; |
17712991 LT |
923 | } |
924 | ||
9b4a6553 | 925 | static int get_extended_base_var(struct config_source *cs, struct strbuf *name, |
c97f3ed2 | 926 | int c) |
d14f7764 | 927 | { |
9b4a6553 | 928 | cs->subsection_case_sensitive = 0; |
d14f7764 LT |
929 | do { |
930 | if (c == '\n') | |
4b340593 | 931 | goto error_incomplete_line; |
9b4a6553 | 932 | c = get_next_char(cs); |
d14f7764 LT |
933 | } while (isspace(c)); |
934 | ||
935 | /* We require the format to be '[base "extension"]' */ | |
936 | if (c != '"') | |
937 | return -1; | |
0971e992 | 938 | strbuf_addch(name, '.'); |
d14f7764 LT |
939 | |
940 | for (;;) { | |
9b4a6553 | 941 | int c = get_next_char(cs); |
d14f7764 | 942 | if (c == '\n') |
4b340593 | 943 | goto error_incomplete_line; |
d14f7764 LT |
944 | if (c == '"') |
945 | break; | |
946 | if (c == '\\') { | |
9b4a6553 | 947 | c = get_next_char(cs); |
d14f7764 | 948 | if (c == '\n') |
4b340593 | 949 | goto error_incomplete_line; |
d14f7764 | 950 | } |
0971e992 | 951 | strbuf_addch(name, c); |
d14f7764 LT |
952 | } |
953 | ||
954 | /* Final ']' */ | |
9b4a6553 | 955 | if (get_next_char(cs) != ']') |
d14f7764 | 956 | return -1; |
0971e992 | 957 | return 0; |
4b340593 | 958 | error_incomplete_line: |
9b4a6553 | 959 | cs->linenr--; |
4b340593 | 960 | return -1; |
d14f7764 LT |
961 | } |
962 | ||
9b4a6553 | 963 | static int get_base_var(struct config_source *cs, struct strbuf *name) |
17712991 | 964 | { |
9b4a6553 | 965 | cs->subsection_case_sensitive = 1; |
17712991 | 966 | for (;;) { |
9b4a6553 GC |
967 | int c = get_next_char(cs); |
968 | if (cs->eof) | |
17712991 LT |
969 | return -1; |
970 | if (c == ']') | |
0971e992 | 971 | return 0; |
d14f7764 | 972 | if (isspace(c)) |
9b4a6553 | 973 | return get_extended_base_var(cs, name, c); |
38c5afa8 | 974 | if (!iskeychar(c) && c != '.') |
17712991 | 975 | return -1; |
0971e992 | 976 | strbuf_addch(name, tolower(c)); |
17712991 LT |
977 | } |
978 | } | |
979 | ||
8032cc44 JS |
980 | struct parse_event_data { |
981 | enum config_event_t previous_type; | |
982 | size_t previous_offset; | |
983 | const struct config_options *opts; | |
984 | }; | |
985 | ||
9b4a6553 | 986 | static int do_event(struct config_source *cs, enum config_event_t type, |
c97f3ed2 | 987 | struct parse_event_data *data) |
8032cc44 JS |
988 | { |
989 | size_t offset; | |
990 | ||
991 | if (!data->opts || !data->opts->event_fn) | |
992 | return 0; | |
993 | ||
994 | if (type == CONFIG_EVENT_WHITESPACE && | |
995 | data->previous_type == type) | |
996 | return 0; | |
997 | ||
9b4a6553 | 998 | offset = cs->do_ftell(cs); |
8032cc44 JS |
999 | /* |
1000 | * At EOF, the parser always "inserts" an extra '\n', therefore | |
1001 | * the end offset of the event is the current file position, otherwise | |
1002 | * we will already have advanced to the next event. | |
1003 | */ | |
1004 | if (type != CONFIG_EVENT_EOF) | |
1005 | offset--; | |
1006 | ||
1007 | if (data->previous_type != CONFIG_EVENT_EOF && | |
1008 | data->opts->event_fn(data->previous_type, data->previous_offset, | |
6e8e7981 | 1009 | offset, cs, data->opts->event_fn_data) < 0) |
8032cc44 JS |
1010 | return -1; |
1011 | ||
1012 | data->previous_type = type; | |
1013 | data->previous_offset = offset; | |
1014 | ||
1015 | return 0; | |
1016 | } | |
1017 | ||
809d8680 GC |
1018 | static void kvi_from_source(struct config_source *cs, |
1019 | enum config_scope scope, | |
1020 | struct key_value_info *out) | |
1021 | { | |
1022 | out->filename = strintern(cs->name); | |
1023 | out->origin_type = cs->origin_type; | |
1024 | out->linenr = cs->linenr; | |
1025 | out->scope = scope; | |
908857a9 | 1026 | out->path = cs->path; |
809d8680 GC |
1027 | } |
1028 | ||
9b4a6553 | 1029 | static int git_parse_source(struct config_source *cs, config_fn_t fn, |
809d8680 GC |
1030 | struct key_value_info *kvi, void *data, |
1031 | const struct config_options *opts) | |
17712991 LT |
1032 | { |
1033 | int comment = 0; | |
6a9c235e | 1034 | size_t baselen = 0; |
9b4a6553 | 1035 | struct strbuf *var = &cs->var; |
1b8132d9 VA |
1036 | int error_return = 0; |
1037 | char *error_msg = NULL; | |
17712991 | 1038 | |
de056402 | 1039 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 1040 | const char *bomptr = utf8_bom; |
de056402 | 1041 | |
8032cc44 JS |
1042 | /* For the parser event callback */ |
1043 | struct parse_event_data event_data = { | |
1044 | CONFIG_EVENT_EOF, 0, opts | |
1045 | }; | |
1046 | ||
17712991 | 1047 | for (;;) { |
8032cc44 JS |
1048 | int c; |
1049 | ||
9b4a6553 | 1050 | c = get_next_char(cs); |
de056402 PB |
1051 | if (bomptr && *bomptr) { |
1052 | /* We are at the file beginning; skip UTF8-encoded BOM | |
1053 | * if present. Sane editors won't put this in on their | |
1054 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 1055 | if (c == (*bomptr & 0377)) { |
de056402 PB |
1056 | bomptr++; |
1057 | continue; | |
1058 | } else { | |
1059 | /* Do not tolerate partial BOM. */ | |
1060 | if (bomptr != utf8_bom) | |
1061 | break; | |
1062 | /* No BOM at file beginning. Cool. */ | |
1063 | bomptr = NULL; | |
1064 | } | |
1065 | } | |
17712991 | 1066 | if (c == '\n') { |
9b4a6553 GC |
1067 | if (cs->eof) { |
1068 | if (do_event(cs, CONFIG_EVENT_EOF, &event_data) < 0) | |
8032cc44 | 1069 | return -1; |
17712991 | 1070 | return 0; |
8032cc44 | 1071 | } |
9b4a6553 | 1072 | if (do_event(cs, CONFIG_EVENT_WHITESPACE, &event_data) < 0) |
8032cc44 | 1073 | return -1; |
17712991 LT |
1074 | comment = 0; |
1075 | continue; | |
1076 | } | |
8032cc44 | 1077 | if (comment) |
17712991 | 1078 | continue; |
8032cc44 | 1079 | if (isspace(c)) { |
9b4a6553 | 1080 | if (do_event(cs, CONFIG_EVENT_WHITESPACE, &event_data) < 0) |
8032cc44 | 1081 | return -1; |
17712991 | 1082 | continue; |
8032cc44 | 1083 | } |
17712991 | 1084 | if (c == '#' || c == ';') { |
9b4a6553 | 1085 | if (do_event(cs, CONFIG_EVENT_COMMENT, &event_data) < 0) |
8032cc44 | 1086 | return -1; |
17712991 LT |
1087 | comment = 1; |
1088 | continue; | |
1089 | } | |
1090 | if (c == '[') { | |
9b4a6553 | 1091 | if (do_event(cs, CONFIG_EVENT_SECTION, &event_data) < 0) |
8032cc44 JS |
1092 | return -1; |
1093 | ||
0971e992 BW |
1094 | /* Reset prior to determining a new stem */ |
1095 | strbuf_reset(var); | |
9b4a6553 | 1096 | if (get_base_var(cs, var) < 0 || var->len < 1) |
17712991 | 1097 | break; |
0971e992 BW |
1098 | strbuf_addch(var, '.'); |
1099 | baselen = var->len; | |
17712991 LT |
1100 | continue; |
1101 | } | |
1102 | if (!isalpha(c)) | |
1103 | break; | |
8032cc44 | 1104 | |
9b4a6553 | 1105 | if (do_event(cs, CONFIG_EVENT_ENTRY, &event_data) < 0) |
8032cc44 JS |
1106 | return -1; |
1107 | ||
0971e992 BW |
1108 | /* |
1109 | * Truncate the var name back to the section header | |
1110 | * stem prior to grabbing the suffix part of the name | |
1111 | * and the value. | |
1112 | */ | |
1113 | strbuf_setlen(var, baselen); | |
1114 | strbuf_addch(var, tolower(c)); | |
809d8680 | 1115 | if (get_value(cs, kvi, fn, data, var) < 0) |
17712991 LT |
1116 | break; |
1117 | } | |
1b8132d9 | 1118 | |
9b4a6553 | 1119 | if (do_event(cs, CONFIG_EVENT_ERROR, &event_data) < 0) |
8032cc44 JS |
1120 | return -1; |
1121 | ||
9b4a6553 | 1122 | switch (cs->origin_type) { |
1b8132d9 VA |
1123 | case CONFIG_ORIGIN_BLOB: |
1124 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
9b4a6553 | 1125 | cs->linenr, cs->name); |
1b8132d9 VA |
1126 | break; |
1127 | case CONFIG_ORIGIN_FILE: | |
1128 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
9b4a6553 | 1129 | cs->linenr, cs->name); |
1b8132d9 VA |
1130 | break; |
1131 | case CONFIG_ORIGIN_STDIN: | |
1132 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
9b4a6553 | 1133 | cs->linenr); |
1b8132d9 VA |
1134 | break; |
1135 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
1136 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
9b4a6553 | 1137 | cs->linenr, cs->name); |
1b8132d9 VA |
1138 | break; |
1139 | case CONFIG_ORIGIN_CMDLINE: | |
1140 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
9b4a6553 | 1141 | cs->linenr, cs->name); |
1b8132d9 VA |
1142 | break; |
1143 | default: | |
1144 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
9b4a6553 | 1145 | cs->linenr, cs->name); |
1b8132d9 VA |
1146 | } |
1147 | ||
66f97228 JK |
1148 | switch (opts && opts->error_action ? |
1149 | opts->error_action : | |
9b4a6553 | 1150 | cs->default_error_action) { |
66f97228 | 1151 | case CONFIG_ERROR_DIE: |
1b8132d9 | 1152 | die("%s", error_msg); |
66f97228 JK |
1153 | break; |
1154 | case CONFIG_ERROR_ERROR: | |
1b8132d9 | 1155 | error_return = error("%s", error_msg); |
66f97228 | 1156 | break; |
63583203 JK |
1157 | case CONFIG_ERROR_SILENT: |
1158 | error_return = -1; | |
1159 | break; | |
66f97228 JK |
1160 | case CONFIG_ERROR_UNSET: |
1161 | BUG("config error action unset"); | |
1162 | } | |
1b8132d9 VA |
1163 | |
1164 | free(error_msg); | |
1165 | return error_return; | |
17712991 LT |
1166 | } |
1167 | ||
39c575c9 | 1168 | static uintmax_t get_unit_factor(const char *end) |
0b87b6e0 BD |
1169 | { |
1170 | if (!*end) | |
1171 | return 1; | |
39c575c9 RS |
1172 | else if (!strcasecmp(end, "k")) |
1173 | return 1024; | |
1174 | else if (!strcasecmp(end, "m")) | |
1175 | return 1024 * 1024; | |
1176 | else if (!strcasecmp(end, "g")) | |
1177 | return 1024 * 1024 * 1024; | |
c8deb5a1 | 1178 | return 0; |
0b87b6e0 BD |
1179 | } |
1180 | ||
7192777d | 1181 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
1182 | { |
1183 | if (value && *value) { | |
1184 | char *end; | |
ebaa1bd4 | 1185 | intmax_t val; |
14770cf0 PW |
1186 | intmax_t factor; |
1187 | ||
1188 | if (max < 0) | |
1189 | BUG("max must be a positive integer"); | |
ebaa1bd4 NA |
1190 | |
1191 | errno = 0; | |
1192 | val = strtoimax(value, &end, 0); | |
1193 | if (errno == ERANGE) | |
1194 | return 0; | |
7595c0ec PW |
1195 | if (end == value) { |
1196 | errno = EINVAL; | |
1197 | return 0; | |
1198 | } | |
39c575c9 RS |
1199 | factor = get_unit_factor(end); |
1200 | if (!factor) { | |
33fdd77e | 1201 | errno = EINVAL; |
c8deb5a1 | 1202 | return 0; |
33fdd77e | 1203 | } |
14770cf0 PW |
1204 | if ((val < 0 && -max / factor > val) || |
1205 | (val > 0 && max / factor < val)) { | |
33fdd77e | 1206 | errno = ERANGE; |
ebaa1bd4 | 1207 | return 0; |
33fdd77e | 1208 | } |
ebaa1bd4 NA |
1209 | val *= factor; |
1210 | *ret = val; | |
0b87b6e0 BD |
1211 | return 1; |
1212 | } | |
33fdd77e | 1213 | errno = EINVAL; |
0b87b6e0 BD |
1214 | return 0; |
1215 | } | |
1216 | ||
0b4dc661 | 1217 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
1218 | { |
1219 | if (value && *value) { | |
1220 | char *end; | |
ebaa1bd4 | 1221 | uintmax_t val; |
664178e8 | 1222 | uintmax_t factor; |
ebaa1bd4 | 1223 | |
84356ff7 PW |
1224 | /* negative values would be accepted by strtoumax */ |
1225 | if (strchr(value, '-')) { | |
1226 | errno = EINVAL; | |
1227 | return 0; | |
1228 | } | |
ebaa1bd4 NA |
1229 | errno = 0; |
1230 | val = strtoumax(value, &end, 0); | |
1231 | if (errno == ERANGE) | |
1232 | return 0; | |
7595c0ec PW |
1233 | if (end == value) { |
1234 | errno = EINVAL; | |
1235 | return 0; | |
1236 | } | |
39c575c9 RS |
1237 | factor = get_unit_factor(end); |
1238 | if (!factor) { | |
33fdd77e | 1239 | errno = EINVAL; |
c8deb5a1 | 1240 | return 0; |
33fdd77e | 1241 | } |
3fb72c7b RS |
1242 | if (unsigned_mult_overflows(factor, val) || |
1243 | factor * val > max) { | |
33fdd77e | 1244 | errno = ERANGE; |
ebaa1bd4 | 1245 | return 0; |
33fdd77e | 1246 | } |
3fb72c7b | 1247 | val *= factor; |
c8deb5a1 | 1248 | *ret = val; |
0b87b6e0 | 1249 | return 1; |
17712991 | 1250 | } |
33fdd77e | 1251 | errno = EINVAL; |
0b87b6e0 BD |
1252 | return 0; |
1253 | } | |
1254 | ||
bff03c47 | 1255 | int git_parse_int(const char *value, int *ret) |
c1867cea | 1256 | { |
7192777d | 1257 | intmax_t tmp; |
42d194e9 | 1258 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
1259 | return 0; |
1260 | *ret = tmp; | |
1261 | return 1; | |
1262 | } | |
1263 | ||
00160242 JK |
1264 | static int git_parse_int64(const char *value, int64_t *ret) |
1265 | { | |
1266 | intmax_t tmp; | |
1267 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
1268 | return 0; | |
1269 | *ret = tmp; | |
1270 | return 1; | |
1271 | } | |
1272 | ||
7192777d JK |
1273 | int git_parse_ulong(const char *value, unsigned long *ret) |
1274 | { | |
1275 | uintmax_t tmp; | |
1276 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
1277 | return 0; | |
1278 | *ret = tmp; | |
1279 | return 1; | |
1280 | } | |
1281 | ||
c79edf73 | 1282 | int git_parse_ssize_t(const char *value, ssize_t *ret) |
37ee680d DT |
1283 | { |
1284 | intmax_t tmp; | |
1285 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t))) | |
1286 | return 0; | |
1287 | *ret = tmp; | |
1288 | return 1; | |
1289 | } | |
1290 | ||
06bdc23b | 1291 | NORETURN |
8868b1eb GC |
1292 | static void die_bad_number(const char *name, const char *value, |
1293 | const struct key_value_info *kvi) | |
c1867cea | 1294 | { |
2e43cd4c ÆAB |
1295 | const char *error_type = (errno == ERANGE) ? |
1296 | N_("out of range") : N_("invalid unit"); | |
1297 | const char *bad_numeric = N_("bad numeric config value '%s' for '%s': %s"); | |
8868b1eb GC |
1298 | |
1299 | if (!kvi) | |
1300 | BUG("kvi should not be NULL"); | |
078fe305 | 1301 | |
2f666581 JK |
1302 | if (!value) |
1303 | value = ""; | |
1304 | ||
8868b1eb | 1305 | if (!kvi->filename) |
2e43cd4c | 1306 | die(_(bad_numeric), value, name, _(error_type)); |
1b8132d9 | 1307 | |
8868b1eb | 1308 | switch (kvi->origin_type) { |
1b8132d9 | 1309 | case CONFIG_ORIGIN_BLOB: |
078fe305 | 1310 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
8868b1eb | 1311 | value, name, kvi->filename, _(error_type)); |
1b8132d9 | 1312 | case CONFIG_ORIGIN_FILE: |
078fe305 | 1313 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
8868b1eb | 1314 | value, name, kvi->filename, _(error_type)); |
1b8132d9 | 1315 | case CONFIG_ORIGIN_STDIN: |
078fe305 | 1316 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
2e43cd4c | 1317 | value, name, _(error_type)); |
1b8132d9 | 1318 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 | 1319 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
8868b1eb | 1320 | value, name, kvi->filename, _(error_type)); |
1b8132d9 | 1321 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 | 1322 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
8868b1eb | 1323 | value, name, kvi->filename, _(error_type)); |
1b8132d9 | 1324 | default: |
078fe305 | 1325 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
8868b1eb | 1326 | value, name, kvi->filename, _(error_type)); |
1b8132d9 | 1327 | } |
c1867cea JK |
1328 | } |
1329 | ||
8868b1eb GC |
1330 | int git_config_int(const char *name, const char *value, |
1331 | const struct key_value_info *kvi) | |
0b87b6e0 | 1332 | { |
42d194e9 JK |
1333 | int ret; |
1334 | if (!git_parse_int(value, &ret)) | |
8868b1eb | 1335 | die_bad_number(name, value, kvi); |
0b87b6e0 BD |
1336 | return ret; |
1337 | } | |
1338 | ||
8868b1eb GC |
1339 | int64_t git_config_int64(const char *name, const char *value, |
1340 | const struct key_value_info *kvi) | |
00160242 JK |
1341 | { |
1342 | int64_t ret; | |
1343 | if (!git_parse_int64(value, &ret)) | |
8868b1eb | 1344 | die_bad_number(name, value, kvi); |
0b87b6e0 BD |
1345 | return ret; |
1346 | } | |
1347 | ||
8868b1eb GC |
1348 | unsigned long git_config_ulong(const char *name, const char *value, |
1349 | const struct key_value_info *kvi) | |
0b87b6e0 BD |
1350 | { |
1351 | unsigned long ret; | |
1352 | if (!git_parse_ulong(value, &ret)) | |
8868b1eb | 1353 | die_bad_number(name, value, kvi); |
0b87b6e0 | 1354 | return ret; |
17712991 LT |
1355 | } |
1356 | ||
8868b1eb GC |
1357 | ssize_t git_config_ssize_t(const char *name, const char *value, |
1358 | const struct key_value_info *kvi) | |
37ee680d DT |
1359 | { |
1360 | ssize_t ret; | |
1361 | if (!git_parse_ssize_t(value, &ret)) | |
8868b1eb | 1362 | die_bad_number(name, value, kvi); |
37ee680d DT |
1363 | return ret; |
1364 | } | |
1365 | ||
9be04d64 | 1366 | static int git_parse_maybe_bool_text(const char *value) |
17712991 LT |
1367 | { |
1368 | if (!value) | |
1369 | return 1; | |
1370 | if (!*value) | |
1371 | return 0; | |
8420ccd8 JH |
1372 | if (!strcasecmp(value, "true") |
1373 | || !strcasecmp(value, "yes") | |
1374 | || !strcasecmp(value, "on")) | |
17712991 | 1375 | return 1; |
8420ccd8 JH |
1376 | if (!strcasecmp(value, "false") |
1377 | || !strcasecmp(value, "no") | |
1378 | || !strcasecmp(value, "off")) | |
17712991 | 1379 | return 0; |
8420ccd8 JH |
1380 | return -1; |
1381 | } | |
1382 | ||
844a8ad4 NS |
1383 | static const struct fsync_component_name { |
1384 | const char *name; | |
1385 | enum fsync_component component_bits; | |
1386 | } fsync_component_names[] = { | |
1387 | { "loose-object", FSYNC_COMPONENT_LOOSE_OBJECT }, | |
1388 | { "pack", FSYNC_COMPONENT_PACK }, | |
1389 | { "pack-metadata", FSYNC_COMPONENT_PACK_METADATA }, | |
1390 | { "commit-graph", FSYNC_COMPONENT_COMMIT_GRAPH }, | |
ba95e96d | 1391 | { "index", FSYNC_COMPONENT_INDEX }, |
b9f5d035 | 1392 | { "objects", FSYNC_COMPONENTS_OBJECTS }, |
bc22d845 | 1393 | { "reference", FSYNC_COMPONENT_REFERENCE }, |
b9f5d035 NS |
1394 | { "derived-metadata", FSYNC_COMPONENTS_DERIVED_METADATA }, |
1395 | { "committed", FSYNC_COMPONENTS_COMMITTED }, | |
1396 | { "added", FSYNC_COMPONENTS_ADDED }, | |
1397 | { "all", FSYNC_COMPONENTS_ALL }, | |
844a8ad4 NS |
1398 | }; |
1399 | ||
1400 | static enum fsync_component parse_fsync_components(const char *var, const char *string) | |
1401 | { | |
8a94d833 | 1402 | enum fsync_component current = FSYNC_COMPONENTS_PLATFORM_DEFAULT; |
844a8ad4 NS |
1403 | enum fsync_component positive = 0, negative = 0; |
1404 | ||
1405 | while (string) { | |
1406 | int i; | |
1407 | size_t len; | |
1408 | const char *ep; | |
1409 | int negated = 0; | |
1410 | int found = 0; | |
1411 | ||
1412 | string = string + strspn(string, ", \t\n\r"); | |
1413 | ep = strchrnul(string, ','); | |
1414 | len = ep - string; | |
1415 | if (!strcmp(string, "none")) { | |
1416 | current = FSYNC_COMPONENT_NONE; | |
1417 | goto next_name; | |
1418 | } | |
1419 | ||
1420 | if (*string == '-') { | |
1421 | negated = 1; | |
1422 | string++; | |
1423 | len--; | |
1424 | if (!len) | |
1425 | warning(_("invalid value for variable %s"), var); | |
1426 | } | |
1427 | ||
1428 | if (!len) | |
1429 | break; | |
1430 | ||
1431 | for (i = 0; i < ARRAY_SIZE(fsync_component_names); ++i) { | |
1432 | const struct fsync_component_name *n = &fsync_component_names[i]; | |
1433 | ||
1434 | if (strncmp(n->name, string, len)) | |
1435 | continue; | |
1436 | ||
1437 | found = 1; | |
1438 | if (negated) | |
1439 | negative |= n->component_bits; | |
1440 | else | |
1441 | positive |= n->component_bits; | |
1442 | } | |
1443 | ||
1444 | if (!found) { | |
1445 | char *component = xstrndup(string, len); | |
1446 | warning(_("ignoring unknown core.fsync component '%s'"), component); | |
1447 | free(component); | |
1448 | } | |
1449 | ||
1450 | next_name: | |
1451 | string = ep; | |
1452 | } | |
1453 | ||
1454 | return (current & ~negative) | positive; | |
1455 | } | |
1456 | ||
9be04d64 | 1457 | int git_parse_maybe_bool(const char *value) |
b2be2f6a | 1458 | { |
9be04d64 | 1459 | int v = git_parse_maybe_bool_text(value); |
b2be2f6a JK |
1460 | if (0 <= v) |
1461 | return v; | |
42d194e9 | 1462 | if (git_parse_int(value, &v)) |
db6195ef | 1463 | return !!v; |
b2be2f6a JK |
1464 | return -1; |
1465 | } | |
1466 | ||
8868b1eb GC |
1467 | int git_config_bool_or_int(const char *name, const char *value, |
1468 | const struct key_value_info *kvi, int *is_bool) | |
8420ccd8 | 1469 | { |
9be04d64 | 1470 | int v = git_parse_maybe_bool_text(value); |
8420ccd8 JH |
1471 | if (0 <= v) { |
1472 | *is_bool = 1; | |
1473 | return v; | |
1474 | } | |
a53f2ec6 | 1475 | *is_bool = 0; |
8868b1eb | 1476 | return git_config_int(name, value, kvi); |
17712991 LT |
1477 | } |
1478 | ||
a53f2ec6 JH |
1479 | int git_config_bool(const char *name, const char *value) |
1480 | { | |
f276e2a4 AK |
1481 | int v = git_parse_maybe_bool(value); |
1482 | if (v < 0) | |
39e12650 | 1483 | die(_("bad boolean config value '%s' for '%s'"), value, name); |
f276e2a4 | 1484 | return v; |
a53f2ec6 JH |
1485 | } |
1486 | ||
ea5105a5 CC |
1487 | int git_config_string(const char **dest, const char *var, const char *value) |
1488 | { | |
1489 | if (!value) | |
1490 | return config_error_nonbool(var); | |
1491 | *dest = xstrdup(value); | |
1492 | return 0; | |
1493 | } | |
1494 | ||
395de250 MM |
1495 | int git_config_pathname(const char **dest, const char *var, const char *value) |
1496 | { | |
1497 | if (!value) | |
1498 | return config_error_nonbool(var); | |
a03b097d | 1499 | *dest = interpolate_path(value, 0); |
395de250 | 1500 | if (!*dest) |
8262aaa2 | 1501 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
1502 | return 0; |
1503 | } | |
1504 | ||
5f967424 HM |
1505 | int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value) |
1506 | { | |
1507 | if (!value) | |
1508 | return config_error_nonbool(var); | |
1509 | if (parse_expiry_date(value, timestamp)) | |
1510 | return error(_("'%s' for '%s' is not a valid timestamp"), | |
1511 | value, var); | |
1512 | return 0; | |
1513 | } | |
1514 | ||
6d2f9acc TB |
1515 | int git_config_color(char *dest, const char *var, const char *value) |
1516 | { | |
1517 | if (!value) | |
1518 | return config_error_nonbool(var); | |
1519 | if (color_parse(value, dest) < 0) | |
1520 | return -1; | |
1521 | return 0; | |
1522 | } | |
1523 | ||
a4e7e317 GC |
1524 | static int git_default_core_config(const char *var, const char *value, |
1525 | const struct config_context *ctx, void *cb) | |
17712991 LT |
1526 | { |
1527 | /* This needs a better name */ | |
1528 | if (!strcmp(var, "core.filemode")) { | |
1529 | trust_executable_bit = git_config_bool(var, value); | |
1530 | return 0; | |
1531 | } | |
1ce4790b AR |
1532 | if (!strcmp(var, "core.trustctime")) { |
1533 | trust_ctime = git_config_bool(var, value); | |
1534 | return 0; | |
1535 | } | |
c1b5d738 | 1536 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
1537 | if (!strcasecmp(value, "default")) |
1538 | check_stat = 1; | |
1539 | else if (!strcasecmp(value, "minimal")) | |
1540 | check_stat = 0; | |
1541 | } | |
17712991 | 1542 | |
9378c161 JH |
1543 | if (!strcmp(var, "core.quotepath")) { |
1544 | quote_path_fully = git_config_bool(var, value); | |
1545 | return 0; | |
1546 | } | |
1547 | ||
78a8d641 JS |
1548 | if (!strcmp(var, "core.symlinks")) { |
1549 | has_symlinks = git_config_bool(var, value); | |
1550 | return 0; | |
1551 | } | |
1552 | ||
0a9b88b7 LT |
1553 | if (!strcmp(var, "core.ignorecase")) { |
1554 | ignore_case = git_config_bool(var, value); | |
1555 | return 0; | |
1556 | } | |
1557 | ||
64589a03 JH |
1558 | if (!strcmp(var, "core.attributesfile")) |
1559 | return git_config_pathname(&git_attributes_file, var, value); | |
1560 | ||
867ad08a ÆAB |
1561 | if (!strcmp(var, "core.hookspath")) |
1562 | return git_config_pathname(&git_hooks_path, var, value); | |
1563 | ||
7d1864ce JH |
1564 | if (!strcmp(var, "core.bare")) { |
1565 | is_bare_repository_cfg = git_config_bool(var, value); | |
1566 | return 0; | |
1567 | } | |
1568 | ||
5f73076c JH |
1569 | if (!strcmp(var, "core.ignorestat")) { |
1570 | assume_unchanged = git_config_bool(var, value); | |
1571 | return 0; | |
1572 | } | |
1573 | ||
e388c738 JH |
1574 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
1575 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
1576 | return 0; |
1577 | } | |
1578 | ||
6de08ae6 | 1579 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
1580 | if (value && !strcasecmp(value, "always")) |
1581 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
1582 | else if (git_config_bool(var, value)) | |
1583 | log_all_ref_updates = LOG_REFS_NORMAL; | |
1584 | else | |
1585 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
1586 | return 0; |
1587 | } | |
1588 | ||
2f8acdb3 JH |
1589 | if (!strcmp(var, "core.warnambiguousrefs")) { |
1590 | warn_ambiguous_refs = git_config_bool(var, value); | |
1591 | return 0; | |
1592 | } | |
1593 | ||
a71f09fe | 1594 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
1595 | if (!value) |
1596 | return config_error_nonbool(var); | |
1597 | if (!strcasecmp(value, "auto")) | |
1598 | default_abbrev = -1; | |
a9ecaa06 EW |
1599 | else if (!git_parse_maybe_bool_text(value)) |
1600 | default_abbrev = the_hash_algo->hexsz; | |
48d5014d | 1601 | else { |
8868b1eb | 1602 | int abbrev = git_config_int(var, value, ctx->kvi); |
fe9fec45 | 1603 | if (abbrev < minimum_abbrev || abbrev > the_hash_algo->hexsz) |
a769bfc7 | 1604 | return error(_("abbrev length out of range: %d"), abbrev); |
48d5014d JH |
1605 | default_abbrev = abbrev; |
1606 | } | |
dce96489 LT |
1607 | return 0; |
1608 | } | |
1609 | ||
5b33cb1f JK |
1610 | if (!strcmp(var, "core.disambiguate")) |
1611 | return set_disambiguate_hint_config(var, value); | |
1612 | ||
960ccca6 | 1613 | if (!strcmp(var, "core.loosecompression")) { |
8868b1eb | 1614 | int level = git_config_int(var, value, ctx->kvi); |
12f6c308 JBH |
1615 | if (level == -1) |
1616 | level = Z_DEFAULT_COMPRESSION; | |
1617 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1618 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 1619 | zlib_compression_level = level; |
960ccca6 DH |
1620 | zlib_compression_seen = 1; |
1621 | return 0; | |
1622 | } | |
1623 | ||
1624 | if (!strcmp(var, "core.compression")) { | |
8868b1eb | 1625 | int level = git_config_int(var, value, ctx->kvi); |
960ccca6 DH |
1626 | if (level == -1) |
1627 | level = Z_DEFAULT_COMPRESSION; | |
1628 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1629 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
1630 | if (!zlib_compression_seen) |
1631 | zlib_compression_level = level; | |
8de7eeb5 JH |
1632 | if (!pack_compression_seen) |
1633 | pack_compression_level = level; | |
12f6c308 JBH |
1634 | return 0; |
1635 | } | |
1636 | ||
60bb8b14 | 1637 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 1638 | int pgsz_x2 = getpagesize() * 2; |
8868b1eb | 1639 | packed_git_window_size = git_config_ulong(var, value, ctx->kvi); |
5faaf246 JH |
1640 | |
1641 | /* This value must be multiple of (pagesize * 2) */ | |
1642 | packed_git_window_size /= pgsz_x2; | |
1643 | if (packed_git_window_size < 1) | |
1644 | packed_git_window_size = 1; | |
1645 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
1646 | return 0; |
1647 | } | |
1648 | ||
15366280 | 1649 | if (!strcmp(var, "core.bigfilethreshold")) { |
8868b1eb | 1650 | big_file_threshold = git_config_ulong(var, value, ctx->kvi); |
15366280 JH |
1651 | return 0; |
1652 | } | |
1653 | ||
77ccc5bb | 1654 | if (!strcmp(var, "core.packedgitlimit")) { |
8868b1eb | 1655 | packed_git_limit = git_config_ulong(var, value, ctx->kvi); |
77ccc5bb SP |
1656 | return 0; |
1657 | } | |
1658 | ||
18bdec11 | 1659 | if (!strcmp(var, "core.deltabasecachelimit")) { |
8868b1eb | 1660 | delta_base_cache_limit = git_config_ulong(var, value, ctx->kvi); |
18bdec11 SP |
1661 | return 0; |
1662 | } | |
1663 | ||
6c510bee | 1664 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 1665 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 1666 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
1667 | return 0; |
1668 | } | |
6c510bee LT |
1669 | auto_crlf = git_config_bool(var, value); |
1670 | return 0; | |
1671 | } | |
1672 | ||
21e5ad50 | 1673 | if (!strcmp(var, "core.safecrlf")) { |
8462ff43 | 1674 | int eol_rndtrp_die; |
21e5ad50 | 1675 | if (value && !strcasecmp(value, "warn")) { |
8462ff43 | 1676 | global_conv_flags_eol = CONV_EOL_RNDTRP_WARN; |
21e5ad50 SP |
1677 | return 0; |
1678 | } | |
8462ff43 TB |
1679 | eol_rndtrp_die = git_config_bool(var, value); |
1680 | global_conv_flags_eol = eol_rndtrp_die ? | |
6cb09125 | 1681 | CONV_EOL_RNDTRP_DIE : 0; |
21e5ad50 SP |
1682 | return 0; |
1683 | } | |
1684 | ||
942e7747 EB |
1685 | if (!strcmp(var, "core.eol")) { |
1686 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 1687 | core_eol = EOL_LF; |
942e7747 | 1688 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 1689 | core_eol = EOL_CRLF; |
942e7747 | 1690 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 1691 | core_eol = EOL_NATIVE; |
942e7747 | 1692 | else |
ec70f52f | 1693 | core_eol = EOL_UNSET; |
942e7747 EB |
1694 | return 0; |
1695 | } | |
1696 | ||
e92d6225 LS |
1697 | if (!strcmp(var, "core.checkroundtripencoding")) { |
1698 | check_roundtrip_encoding = xstrdup(value); | |
1699 | return 0; | |
1700 | } | |
1701 | ||
a97a7468 JS |
1702 | if (!strcmp(var, "core.notesref")) { |
1703 | notes_ref_name = xstrdup(value); | |
1704 | return 0; | |
1705 | } | |
1706 | ||
806e2ad7 LT |
1707 | if (!strcmp(var, "core.editor")) |
1708 | return git_config_string(&editor_program, var, value); | |
1709 | ||
eff80a9f | 1710 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
1711 | if (!value) |
1712 | return config_error_nonbool(var); | |
ad524f83 | 1713 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 1714 | auto_comment_line_char = 1; |
ad524f83 | 1715 | else if (value[0] && !value[1]) { |
649409b7 | 1716 | comment_line_char = value[0]; |
84c9dc2c | 1717 | auto_comment_line_char = 0; |
50b54fd7 | 1718 | } else |
d3b3419f | 1719 | return error(_("core.commentChar should only be one ASCII character")); |
50b54fd7 | 1720 | return 0; |
eff80a9f JH |
1721 | } |
1722 | ||
d3e7da89 AK |
1723 | if (!strcmp(var, "core.askpass")) |
1724 | return git_config_string(&askpass_program, var, value); | |
1725 | ||
806e2ad7 | 1726 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 1727 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
1728 | |
1729 | if (!strcmp(var, "core.whitespace")) { | |
1730 | if (!value) | |
1731 | return config_error_nonbool(var); | |
1732 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
1733 | return 0; | |
1734 | } | |
1735 | ||
844a8ad4 NS |
1736 | if (!strcmp(var, "core.fsync")) { |
1737 | if (!value) | |
1738 | return config_error_nonbool(var); | |
1739 | fsync_components = parse_fsync_components(var, value); | |
1740 | return 0; | |
1741 | } | |
1742 | ||
abf38abe NS |
1743 | if (!strcmp(var, "core.fsyncmethod")) { |
1744 | if (!value) | |
1745 | return config_error_nonbool(var); | |
1746 | if (!strcmp(value, "fsync")) | |
1747 | fsync_method = FSYNC_METHOD_FSYNC; | |
1748 | else if (!strcmp(value, "writeout-only")) | |
1749 | fsync_method = FSYNC_METHOD_WRITEOUT_ONLY; | |
c0f4752e NS |
1750 | else if (!strcmp(value, "batch")) |
1751 | fsync_method = FSYNC_METHOD_BATCH; | |
abf38abe NS |
1752 | else |
1753 | warning(_("ignoring unknown core.fsyncMethod value '%s'"), value); | |
1754 | ||
1755 | } | |
1756 | ||
aafe9fba | 1757 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
844a8ad4 | 1758 | if (fsync_object_files < 0) |
f12f3b98 | 1759 | warning(_("core.fsyncObjectFiles is deprecated; use core.fsync instead")); |
aafe9fba LT |
1760 | fsync_object_files = git_config_bool(var, value); |
1761 | return 0; | |
1762 | } | |
1763 | ||
671c9b7e LT |
1764 | if (!strcmp(var, "core.preloadindex")) { |
1765 | core_preload_index = git_config_bool(var, value); | |
1766 | return 0; | |
1767 | } | |
1768 | ||
348df166 JS |
1769 | if (!strcmp(var, "core.createobject")) { |
1770 | if (!strcmp(value, "rename")) | |
1771 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
1772 | else if (!strcmp(value, "link")) | |
1773 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
1774 | else | |
8262aaa2 | 1775 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
1776 | return 0; |
1777 | } | |
1778 | ||
08aefc9e NTND |
1779 | if (!strcmp(var, "core.sparsecheckout")) { |
1780 | core_apply_sparse_checkout = git_config_bool(var, value); | |
1781 | return 0; | |
1782 | } | |
1783 | ||
879321eb DS |
1784 | if (!strcmp(var, "core.sparsecheckoutcone")) { |
1785 | core_sparse_checkout_cone = git_config_bool(var, value); | |
1786 | return 0; | |
1787 | } | |
1788 | ||
76759c7d TB |
1789 | if (!strcmp(var, "core.precomposeunicode")) { |
1790 | precomposed_unicode = git_config_bool(var, value); | |
1791 | return 0; | |
1792 | } | |
1793 | ||
a42643aa JK |
1794 | if (!strcmp(var, "core.protecthfs")) { |
1795 | protect_hfs = git_config_bool(var, value); | |
1796 | return 0; | |
1797 | } | |
1798 | ||
2b4c6efc JS |
1799 | if (!strcmp(var, "core.protectntfs")) { |
1800 | protect_ntfs = git_config_bool(var, value); | |
1801 | return 0; | |
76759c7d TB |
1802 | } |
1803 | ||
be20128b JK |
1804 | if (!strcmp(var, "core.maxtreedepth")) { |
1805 | max_allowed_tree_depth = git_config_int(var, value, ctx->kvi); | |
1806 | return 0; | |
1807 | } | |
1808 | ||
806e2ad7 | 1809 | /* Add other config variables here and to Documentation/config.txt. */ |
a4e7e317 | 1810 | return platform_core_config(var, value, ctx, cb); |
806e2ad7 LT |
1811 | } |
1812 | ||
ecc7c884 EN |
1813 | static int git_default_sparse_config(const char *var, const char *value) |
1814 | { | |
1815 | if (!strcmp(var, "sparse.expectfilesoutsideofpatterns")) { | |
1816 | sparse_expect_files_outside_of_patterns = git_config_bool(var, value); | |
1817 | return 0; | |
1818 | } | |
1819 | ||
1820 | /* Add other config variables here and to Documentation/config/sparse.txt. */ | |
1821 | return 0; | |
1822 | } | |
1823 | ||
1141f492 | 1824 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1825 | { |
ea5105a5 CC |
1826 | if (!strcmp(var, "i18n.commitencoding")) |
1827 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1828 | |
ea5105a5 CC |
1829 | if (!strcmp(var, "i18n.logoutputencoding")) |
1830 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1831 | |
1141f492 LT |
1832 | /* Add other config variables here and to Documentation/config.txt. */ |
1833 | return 0; | |
1834 | } | |
039bc64e | 1835 | |
1141f492 LT |
1836 | static int git_default_branch_config(const char *var, const char *value) |
1837 | { | |
9ed36cfa | 1838 | if (!strcmp(var, "branch.autosetupmerge")) { |
44f14a9d | 1839 | if (value && !strcmp(value, "always")) { |
9ed36cfa JS |
1840 | git_branch_track = BRANCH_TRACK_ALWAYS; |
1841 | return 0; | |
d3115660 JS |
1842 | } else if (value && !strcmp(value, "inherit")) { |
1843 | git_branch_track = BRANCH_TRACK_INHERIT; | |
1844 | return 0; | |
bdaf1dfa TK |
1845 | } else if (value && !strcmp(value, "simple")) { |
1846 | git_branch_track = BRANCH_TRACK_SIMPLE; | |
1847 | return 0; | |
9ed36cfa JS |
1848 | } |
1849 | git_branch_track = git_config_bool(var, value); | |
1850 | return 0; | |
1851 | } | |
c998ae9b DS |
1852 | if (!strcmp(var, "branch.autosetuprebase")) { |
1853 | if (!value) | |
1854 | return config_error_nonbool(var); | |
1855 | else if (!strcmp(value, "never")) | |
1856 | autorebase = AUTOREBASE_NEVER; | |
1857 | else if (!strcmp(value, "local")) | |
1858 | autorebase = AUTOREBASE_LOCAL; | |
1859 | else if (!strcmp(value, "remote")) | |
1860 | autorebase = AUTOREBASE_REMOTE; | |
1861 | else if (!strcmp(value, "always")) | |
1862 | autorebase = AUTOREBASE_ALWAYS; | |
1863 | else | |
a769bfc7 | 1864 | return error(_("malformed value for %s"), var); |
c998ae9b DS |
1865 | return 0; |
1866 | } | |
a9cc857a | 1867 | |
1ab661dd | 1868 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1869 | return 0; |
1870 | } | |
1871 | ||
52153747 FAG |
1872 | static int git_default_push_config(const char *var, const char *value) |
1873 | { | |
1874 | if (!strcmp(var, "push.default")) { | |
1875 | if (!value) | |
1876 | return config_error_nonbool(var); | |
1877 | else if (!strcmp(value, "nothing")) | |
1878 | push_default = PUSH_DEFAULT_NOTHING; | |
1879 | else if (!strcmp(value, "matching")) | |
1880 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1881 | else if (!strcmp(value, "simple")) |
1882 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1883 | else if (!strcmp(value, "upstream")) |
1884 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1885 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1886 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1887 | else if (!strcmp(value, "current")) |
1888 | push_default = PUSH_DEFAULT_CURRENT; | |
1889 | else { | |
a769bfc7 NTND |
1890 | error(_("malformed value for %s: %s"), var, value); |
1891 | return error(_("must be one of nothing, matching, simple, " | |
1892 | "upstream or current")); | |
52153747 FAG |
1893 | } |
1894 | return 0; | |
1895 | } | |
1896 | ||
1897 | /* Add other config variables here and to Documentation/config.txt. */ | |
1898 | return 0; | |
1899 | } | |
1900 | ||
d551a488 MSO |
1901 | static int git_default_mailmap_config(const char *var, const char *value) |
1902 | { | |
1903 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1904 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1905 | if (!strcmp(var, "mailmap.blob")) |
1906 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1907 | |
1908 | /* Add other config variables here and to Documentation/config.txt. */ | |
1909 | return 0; | |
1910 | } | |
1911 | ||
a4e7e317 GC |
1912 | int git_default_config(const char *var, const char *value, |
1913 | const struct config_context *ctx, void *cb) | |
1141f492 | 1914 | { |
59556548 | 1915 | if (starts_with(var, "core.")) |
a4e7e317 | 1916 | return git_default_core_config(var, value, ctx, cb); |
1141f492 | 1917 | |
39ab4d09 WH |
1918 | if (starts_with(var, "user.") || |
1919 | starts_with(var, "author.") || | |
1920 | starts_with(var, "committer.")) | |
a4e7e317 | 1921 | return git_ident_config(var, value, ctx, cb); |
1141f492 | 1922 | |
59556548 | 1923 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1924 | return git_default_i18n_config(var, value); |
1925 | ||
59556548 | 1926 | if (starts_with(var, "branch.")) |
1141f492 LT |
1927 | return git_default_branch_config(var, value); |
1928 | ||
59556548 | 1929 | if (starts_with(var, "push.")) |
52153747 FAG |
1930 | return git_default_push_config(var, value); |
1931 | ||
59556548 | 1932 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1933 | return git_default_mailmap_config(var, value); |
1934 | ||
960786e7 | 1935 | if (starts_with(var, "advice.") || starts_with(var, "color.advice")) |
75194438 JK |
1936 | return git_default_advice_config(var, value); |
1937 | ||
1141f492 LT |
1938 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1939 | pager_use_color = git_config_bool(var,value); | |
1940 | return 0; | |
1941 | } | |
1942 | ||
568508e7 | 1943 | if (!strcmp(var, "pack.packsizelimit")) { |
8868b1eb | 1944 | pack_size_limit_cfg = git_config_ulong(var, value, ctx->kvi); |
568508e7 JH |
1945 | return 0; |
1946 | } | |
8de7eeb5 JH |
1947 | |
1948 | if (!strcmp(var, "pack.compression")) { | |
8868b1eb | 1949 | int level = git_config_int(var, value, ctx->kvi); |
8de7eeb5 JH |
1950 | if (level == -1) |
1951 | level = Z_DEFAULT_COMPRESSION; | |
1952 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1953 | die(_("bad pack compression level %d"), level); | |
1954 | pack_compression_level = level; | |
1955 | pack_compression_seen = 1; | |
1956 | return 0; | |
1957 | } | |
1958 | ||
ecc7c884 EN |
1959 | if (starts_with(var, "sparse.")) |
1960 | return git_default_sparse_config(var, value); | |
1961 | ||
1141f492 LT |
1962 | /* Add other config variables here and to Documentation/config.txt. */ |
1963 | return 0; | |
1964 | } | |
1965 | ||
ca4b5de2 | 1966 | /* |
b2dc0945 | 1967 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1968 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1969 | * this function. |
1970 | */ | |
6e8e7981 | 1971 | static int do_config_from(struct config_source *top, config_fn_t fn, |
809d8680 | 1972 | void *data, enum config_scope scope, |
8032cc44 | 1973 | const struct config_options *opts) |
ca4b5de2 | 1974 | { |
809d8680 | 1975 | struct key_value_info kvi = KVI_INIT; |
ca4b5de2 HV |
1976 | int ret; |
1977 | ||
1978 | /* push config-file parsing state stack */ | |
ca4b5de2 HV |
1979 | top->linenr = 1; |
1980 | top->eof = 0; | |
348482de | 1981 | top->total_len = 0; |
ca4b5de2 HV |
1982 | strbuf_init(&top->value, 1024); |
1983 | strbuf_init(&top->var, 1024); | |
809d8680 | 1984 | kvi_from_source(top, scope, &kvi); |
ca4b5de2 | 1985 | |
809d8680 | 1986 | ret = git_parse_source(top, fn, &kvi, data, opts); |
ca4b5de2 | 1987 | |
ca4b5de2 HV |
1988 | strbuf_release(&top->value); |
1989 | strbuf_release(&top->var); | |
ca4b5de2 HV |
1990 | |
1991 | return ret; | |
1992 | } | |
1993 | ||
6e8e7981 | 1994 | static int do_config_from_file(config_fn_t fn, |
0c602851 GC |
1995 | const enum config_origin_type origin_type, |
1996 | const char *name, const char *path, FILE *f, | |
809d8680 GC |
1997 | void *data, enum config_scope scope, |
1998 | const struct config_options *opts) | |
17712991 | 1999 | { |
c009bc89 | 2000 | struct config_source top = CONFIG_SOURCE_INIT; |
05e293c1 | 2001 | int ret; |
17712991 | 2002 | |
3caec73b | 2003 | top.u.file = f; |
473166b9 | 2004 | top.origin_type = origin_type; |
3caec73b KS |
2005 | top.name = name; |
2006 | top.path = path; | |
66f97228 | 2007 | top.default_error_action = CONFIG_ERROR_DIE; |
3caec73b KS |
2008 | top.do_fgetc = config_file_fgetc; |
2009 | top.do_ungetc = config_file_ungetc; | |
2010 | top.do_ftell = config_file_ftell; | |
924aaf3e | 2011 | |
05e293c1 | 2012 | flockfile(f); |
6e8e7981 | 2013 | ret = do_config_from(&top, fn, data, scope, opts); |
05e293c1 JK |
2014 | funlockfile(f); |
2015 | return ret; | |
3caec73b | 2016 | } |
924aaf3e | 2017 | |
809d8680 GC |
2018 | static int git_config_from_stdin(config_fn_t fn, void *data, |
2019 | enum config_scope scope) | |
3caec73b | 2020 | { |
6e8e7981 GC |
2021 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, |
2022 | data, scope, NULL); | |
3caec73b KS |
2023 | } |
2024 | ||
8032cc44 | 2025 | int git_config_from_file_with_options(config_fn_t fn, const char *filename, |
809d8680 | 2026 | void *data, enum config_scope scope, |
8032cc44 | 2027 | const struct config_options *opts) |
3caec73b KS |
2028 | { |
2029 | int ret = -1; | |
2030 | FILE *f; | |
924aaf3e | 2031 | |
776f1848 GC |
2032 | if (!filename) |
2033 | BUG("filename cannot be NULL"); | |
e9d983f1 | 2034 | f = fopen_or_warn(filename, "r"); |
3caec73b | 2035 | if (f) { |
6e8e7981 GC |
2036 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, |
2037 | filename, f, data, scope, opts); | |
17712991 LT |
2038 | fclose(f); |
2039 | } | |
2040 | return ret; | |
2041 | } | |
10bea152 | 2042 | |
8032cc44 JS |
2043 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) |
2044 | { | |
809d8680 GC |
2045 | return git_config_from_file_with_options(fn, filename, data, |
2046 | CONFIG_SCOPE_UNKNOWN, NULL); | |
8032cc44 JS |
2047 | } |
2048 | ||
4574f1aa JK |
2049 | int git_config_from_mem(config_fn_t fn, |
2050 | const enum config_origin_type origin_type, | |
2051 | const char *name, const char *buf, size_t len, | |
809d8680 GC |
2052 | void *data, enum config_scope scope, |
2053 | const struct config_options *opts) | |
1bc88819 | 2054 | { |
c009bc89 | 2055 | struct config_source top = CONFIG_SOURCE_INIT; |
1bc88819 HV |
2056 | |
2057 | top.u.buf.buf = buf; | |
2058 | top.u.buf.len = len; | |
2059 | top.u.buf.pos = 0; | |
473166b9 | 2060 | top.origin_type = origin_type; |
1bc88819 | 2061 | top.name = name; |
d14d4244 | 2062 | top.path = NULL; |
66f97228 | 2063 | top.default_error_action = CONFIG_ERROR_ERROR; |
49d6cfa5 JK |
2064 | top.do_fgetc = config_buf_fgetc; |
2065 | top.do_ungetc = config_buf_ungetc; | |
2066 | top.do_ftell = config_buf_ftell; | |
1bc88819 | 2067 | |
6e8e7981 | 2068 | return do_config_from(&top, fn, data, scope, opts); |
1bc88819 HV |
2069 | } |
2070 | ||
cd73de47 | 2071 | int git_config_from_blob_oid(config_fn_t fn, |
9ebf689a | 2072 | const char *name, |
e3e8bf04 | 2073 | struct repository *repo, |
cd73de47 | 2074 | const struct object_id *oid, |
809d8680 GC |
2075 | void *data, |
2076 | enum config_scope scope) | |
1bc88819 HV |
2077 | { |
2078 | enum object_type type; | |
2079 | char *buf; | |
2080 | unsigned long size; | |
2081 | int ret; | |
2082 | ||
e3e8bf04 | 2083 | buf = repo_read_object_file(repo, oid, &type, &size); |
1bc88819 | 2084 | if (!buf) |
a769bfc7 | 2085 | return error(_("unable to load config blob object '%s'"), name); |
1bc88819 HV |
2086 | if (type != OBJ_BLOB) { |
2087 | free(buf); | |
a769bfc7 | 2088 | return error(_("reference '%s' does not point to a blob"), name); |
1bc88819 HV |
2089 | } |
2090 | ||
4574f1aa | 2091 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, |
809d8680 | 2092 | data, scope, NULL); |
1bc88819 HV |
2093 | free(buf); |
2094 | ||
2095 | return ret; | |
2096 | } | |
2097 | ||
2098 | static int git_config_from_blob_ref(config_fn_t fn, | |
e3e8bf04 | 2099 | struct repository *repo, |
1bc88819 | 2100 | const char *name, |
809d8680 GC |
2101 | void *data, |
2102 | enum config_scope scope) | |
1bc88819 | 2103 | { |
cd73de47 | 2104 | struct object_id oid; |
1bc88819 | 2105 | |
e3e8bf04 | 2106 | if (repo_get_oid(repo, name, &oid) < 0) |
a769bfc7 | 2107 | return error(_("unable to resolve config blob '%s'"), name); |
809d8680 | 2108 | return git_config_from_blob_oid(fn, name, repo, &oid, data, scope); |
1bc88819 HV |
2109 | } |
2110 | ||
c62a999c | 2111 | char *git_system_config(void) |
506b17b1 | 2112 | { |
4179b489 | 2113 | char *system_config = xstrdup_or_null(getenv("GIT_CONFIG_SYSTEM")); |
e3553076 JS |
2114 | if (!system_config) |
2115 | system_config = system_path(ETC_GITCONFIG); | |
2116 | normalize_path_copy(system_config, system_config); | |
2117 | return system_config; | |
506b17b1 JS |
2118 | } |
2119 | ||
4179b489 | 2120 | void git_global_config(char **user_out, char **xdg_out) |
1e06eb9b | 2121 | { |
4179b489 PS |
2122 | char *user_config = xstrdup_or_null(getenv("GIT_CONFIG_GLOBAL")); |
2123 | char *xdg_config = NULL; | |
2124 | ||
2125 | if (!user_config) { | |
a03b097d | 2126 | user_config = interpolate_path("~/.gitconfig", 0); |
4179b489 PS |
2127 | xdg_config = xdg_config_home("config"); |
2128 | } | |
2129 | ||
2130 | *user_out = user_config; | |
2131 | *xdg_out = xdg_config; | |
506b17b1 JS |
2132 | } |
2133 | ||
23b0c478 SP |
2134 | /* |
2135 | * Parse environment variable 'k' as a boolean (in various | |
2136 | * possible spellings); if missing, use the default value 'def'. | |
2137 | */ | |
0ef37164 | 2138 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
2139 | { |
2140 | const char *v = getenv(k); | |
2141 | return v ? git_config_bool(k, v) : def; | |
2142 | } | |
2143 | ||
23b0c478 SP |
2144 | /* |
2145 | * Parse environment variable 'k' as ulong with possibly a unit | |
2146 | * suffix; if missing, use the default value 'val'. | |
2147 | */ | |
2148 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
2149 | { | |
2150 | const char *v = getenv(k); | |
2151 | if (v && !git_parse_ulong(v, &val)) | |
a769bfc7 | 2152 | die(_("failed to parse %s"), k); |
23b0c478 SP |
2153 | return val; |
2154 | } | |
2155 | ||
ab88c363 JK |
2156 | int git_config_system(void) |
2157 | { | |
2158 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
2159 | } | |
2160 | ||
6e8e7981 | 2161 | static int do_git_config_sequence(const struct config_options *opts, |
3867f6d6 | 2162 | const struct repository *repo, |
e145a0bc | 2163 | config_fn_t fn, void *data) |
4f629539 | 2164 | { |
c72ee44b | 2165 | int ret = 0; |
c62a999c | 2166 | char *system_config = git_system_config(); |
1e06eb9b PS |
2167 | char *xdg_config = NULL; |
2168 | char *user_config = NULL; | |
e145a0bc | 2169 | char *repo_config; |
847d0027 | 2170 | char *worktree_config; |
e145a0bc | 2171 | |
847d0027 VD |
2172 | /* |
2173 | * Ensure that either: | |
2174 | * - the git_dir and commondir are both set, or | |
2175 | * - the git_dir and commondir are both NULL | |
2176 | */ | |
2177 | if (!opts->git_dir != !opts->commondir) | |
2178 | BUG("only one of commondir and git_dir is non-NULL"); | |
2179 | ||
2180 | if (opts->commondir) { | |
a577fb5f | 2181 | repo_config = mkpathdup("%s/config", opts->commondir); |
847d0027 VD |
2182 | worktree_config = mkpathdup("%s/config.worktree", opts->git_dir); |
2183 | } else { | |
e145a0bc | 2184 | repo_config = NULL; |
847d0027 VD |
2185 | worktree_config = NULL; |
2186 | } | |
5f1a63e0 | 2187 | |
c62a999c PS |
2188 | if (git_config_system() && system_config && |
2189 | !access_or_die(system_config, R_OK, | |
2190 | opts->system_gently ? ACCESS_EACCES_OK : 0)) | |
809d8680 GC |
2191 | ret += git_config_from_file_with_options(fn, system_config, |
2192 | data, CONFIG_SCOPE_SYSTEM, | |
2193 | NULL); | |
5f1a63e0 | 2194 | |
1e06eb9b PS |
2195 | git_global_config(&user_config, &xdg_config); |
2196 | ||
c72ee44b | 2197 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
809d8680 GC |
2198 | ret += git_config_from_file_with_options(fn, xdg_config, data, |
2199 | CONFIG_SCOPE_GLOBAL, NULL); | |
21cf3227 | 2200 | |
c72ee44b | 2201 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
809d8680 GC |
2202 | ret += git_config_from_file_with_options(fn, user_config, data, |
2203 | CONFIG_SCOPE_GLOBAL, NULL); | |
5f1a63e0 | 2204 | |
800a7f99 JH |
2205 | if (!opts->ignore_repo && repo_config && |
2206 | !access_or_die(repo_config, R_OK, 0)) | |
809d8680 GC |
2207 | ret += git_config_from_file_with_options(fn, repo_config, data, |
2208 | CONFIG_SCOPE_LOCAL, NULL); | |
8b1fa778 | 2209 | |
847d0027 | 2210 | if (!opts->ignore_worktree && worktree_config && |
3867f6d6 | 2211 | repo && repo->repository_format_worktree_config && |
847d0027 | 2212 | !access_or_die(worktree_config, R_OK, 0)) { |
809d8680 GC |
2213 | ret += git_config_from_file_with_options(fn, worktree_config, data, |
2214 | CONFIG_SCOPE_WORKTREE, | |
2215 | NULL); | |
58b284a2 NTND |
2216 | } |
2217 | ||
800a7f99 | 2218 | if (!opts->ignore_cmdline && git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 2219 | die(_("unable to parse command-line config")); |
8b1fa778 | 2220 | |
c62a999c | 2221 | free(system_config); |
21cf3227 HKNN |
2222 | free(xdg_config); |
2223 | free(user_config); | |
80181868 | 2224 | free(repo_config); |
847d0027 | 2225 | free(worktree_config); |
c72ee44b | 2226 | return ret; |
4f629539 JH |
2227 | } |
2228 | ||
dc8441fd BW |
2229 | int config_with_options(config_fn_t fn, void *data, |
2230 | struct git_config_source *config_source, | |
9b6b06c1 | 2231 | struct repository *repo, |
dc8441fd | 2232 | const struct config_options *opts) |
dbdf5854 | 2233 | { |
9b25a0b5 | 2234 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
399b1984 | 2235 | int ret; |
9b25a0b5 | 2236 | |
c48f4b37 | 2237 | if (opts->respect_includes) { |
9b25a0b5 JK |
2238 | inc.fn = fn; |
2239 | inc.data = data; | |
c48f4b37 | 2240 | inc.opts = opts; |
9b6b06c1 | 2241 | inc.repo = repo; |
399b1984 | 2242 | inc.config_source = config_source; |
9b25a0b5 JK |
2243 | fn = git_config_include; |
2244 | data = &inc; | |
2245 | } | |
dbdf5854 | 2246 | |
c9b5e2a5 JK |
2247 | /* |
2248 | * If we have a specific filename, use it. Otherwise, follow the | |
2249 | * regular lookup sequence. | |
2250 | */ | |
e3e8bf04 | 2251 | if (config_source && config_source->use_stdin) { |
809d8680 | 2252 | ret = git_config_from_stdin(fn, data, config_source->scope); |
e3e8bf04 | 2253 | } else if (config_source && config_source->file) { |
809d8680 GC |
2254 | ret = git_config_from_file_with_options(fn, config_source->file, |
2255 | data, config_source->scope, | |
2256 | NULL); | |
e3e8bf04 | 2257 | } else if (config_source && config_source->blob) { |
399b1984 | 2258 | ret = git_config_from_blob_ref(fn, repo, config_source->blob, |
809d8680 | 2259 | data, config_source->scope); |
399b1984 | 2260 | } else { |
6e8e7981 | 2261 | ret = do_git_config_sequence(opts, repo, fn, data); |
e3e8bf04 | 2262 | } |
c9b5e2a5 | 2263 | |
399b1984 JT |
2264 | if (inc.remote_urls) { |
2265 | string_list_clear(inc.remote_urls, 0); | |
2266 | FREE_AND_NULL(inc.remote_urls); | |
2267 | } | |
2268 | return ret; | |
dbdf5854 NTND |
2269 | } |
2270 | ||
f6c213a0 | 2271 | static void configset_iter(struct config_set *set, config_fn_t fn, void *data) |
c9b5e2a5 | 2272 | { |
155ef25f TA |
2273 | int i, value_index; |
2274 | struct string_list *values; | |
2275 | struct config_set_element *entry; | |
9b4a6553 | 2276 | struct configset_list *list = &set->list; |
6021e1d1 | 2277 | struct config_context ctx = CONFIG_CONTEXT_INIT; |
155ef25f TA |
2278 | |
2279 | for (i = 0; i < list->nr; i++) { | |
2280 | entry = list->items[i].e; | |
2281 | value_index = list->items[i].value_index; | |
2282 | values = &entry->value_list; | |
0d44a2da | 2283 | |
6021e1d1 GC |
2284 | ctx.kvi = values->items[value_index].util; |
2285 | if (fn(entry->key, values->items[value_index].string, &ctx, data) < 0) | |
0d44a2da | 2286 | git_die_config_linenr(entry->key, |
6021e1d1 GC |
2287 | ctx.kvi->filename, |
2288 | ctx.kvi->linenr); | |
155ef25f TA |
2289 | } |
2290 | } | |
2291 | ||
0654aa57 JS |
2292 | void read_early_config(config_fn_t cb, void *data) |
2293 | { | |
c48f4b37 | 2294 | struct config_options opts = {0}; |
d3fb71b3 BW |
2295 | struct strbuf commondir = STRBUF_INIT; |
2296 | struct strbuf gitdir = STRBUF_INIT; | |
1a27409a | 2297 | |
c48f4b37 | 2298 | opts.respect_includes = 1; |
0654aa57 | 2299 | |
a577fb5f BW |
2300 | if (have_git_dir()) { |
2301 | opts.commondir = get_git_common_dir(); | |
2185fde5 | 2302 | opts.git_dir = get_git_dir(); |
0654aa57 | 2303 | /* |
1a27409a JS |
2304 | * When setup_git_directory() was not yet asked to discover the |
2305 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
2306 | * is any repository config we should use (but unlike | |
2307 | * setup_git_directory_gently(), no global state is changed, most | |
2308 | * notably, the current working directory is still the same after the | |
2309 | * call). | |
0654aa57 | 2310 | */ |
a577fb5f BW |
2311 | } else if (!discover_git_directory(&commondir, &gitdir)) { |
2312 | opts.commondir = commondir.buf; | |
d3fb71b3 | 2313 | opts.git_dir = gitdir.buf; |
a577fb5f | 2314 | } |
2185fde5 | 2315 | |
9b6b06c1 | 2316 | config_with_options(cb, data, NULL, NULL, &opts); |
0654aa57 | 2317 | |
d3fb71b3 BW |
2318 | strbuf_release(&commondir); |
2319 | strbuf_release(&gitdir); | |
0654aa57 JS |
2320 | } |
2321 | ||
800a7f99 JH |
2322 | /* |
2323 | * Read config but only enumerate system and global settings. | |
2324 | * Omit any repo-local, worktree-local, or command-line settings. | |
2325 | */ | |
2326 | void read_very_early_config(config_fn_t cb, void *data) | |
2327 | { | |
2328 | struct config_options opts = { 0 }; | |
2329 | ||
2330 | opts.respect_includes = 1; | |
2331 | opts.ignore_repo = 1; | |
2332 | opts.ignore_worktree = 1; | |
2333 | opts.ignore_cmdline = 1; | |
f672deec | 2334 | opts.system_gently = 1; |
800a7f99 | 2335 | |
9b6b06c1 | 2336 | config_with_options(cb, data, NULL, NULL, &opts); |
800a7f99 JH |
2337 | } |
2338 | ||
b83efcec | 2339 | RESULT_MUST_BE_USED |
06e9e726 | 2340 | static int configset_find_element(struct config_set *set, const char *key, |
b83efcec | 2341 | struct config_set_element **dest) |
3c8687a7 TA |
2342 | { |
2343 | struct config_set_element k; | |
2344 | struct config_set_element *found_entry; | |
2345 | char *normalized_key; | |
b83efcec ÆAB |
2346 | int ret; |
2347 | ||
3c8687a7 TA |
2348 | /* |
2349 | * `key` may come from the user, so normalize it before using it | |
2350 | * for querying entries from the hashmap. | |
2351 | */ | |
b83efcec ÆAB |
2352 | ret = git_config_parse_key(key, &normalized_key, NULL); |
2353 | if (ret) | |
2354 | return ret; | |
3c8687a7 | 2355 | |
d22245a2 | 2356 | hashmap_entry_init(&k.ent, strhash(normalized_key)); |
3c8687a7 | 2357 | k.key = normalized_key; |
9b4a6553 | 2358 | found_entry = hashmap_get_entry(&set->config_hash, &k, ent, NULL); |
3c8687a7 | 2359 | free(normalized_key); |
b83efcec ÆAB |
2360 | *dest = found_entry; |
2361 | return 0; | |
3c8687a7 TA |
2362 | } |
2363 | ||
26b66932 | 2364 | static int configset_add_value(const struct key_value_info *kvi_p, |
9b4a6553 | 2365 | struct config_set *set, const char *key, |
a798a56c | 2366 | const char *value) |
3c8687a7 TA |
2367 | { |
2368 | struct config_set_element *e; | |
3df8fd62 | 2369 | struct string_list_item *si; |
155ef25f | 2370 | struct configset_list_item *l_item; |
3df8fd62 | 2371 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
b83efcec | 2372 | int ret; |
3df8fd62 | 2373 | |
06e9e726 | 2374 | ret = configset_find_element(set, key, &e); |
b83efcec ÆAB |
2375 | if (ret) |
2376 | return ret; | |
3c8687a7 TA |
2377 | /* |
2378 | * Since the keys are being fed by git_config*() callback mechanism, they | |
2379 | * are already normalized. So simply add them without any further munging. | |
2380 | */ | |
2381 | if (!e) { | |
2382 | e = xmalloc(sizeof(*e)); | |
d22245a2 | 2383 | hashmap_entry_init(&e->ent, strhash(key)); |
3c8687a7 | 2384 | e->key = xstrdup(key); |
bc40dfb1 | 2385 | string_list_init_dup(&e->value_list); |
9b4a6553 | 2386 | hashmap_add(&set->config_hash, &e->ent); |
3c8687a7 | 2387 | } |
8c53f071 | 2388 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f | 2389 | |
9b4a6553 GC |
2390 | ALLOC_GROW(set->list.items, set->list.nr + 1, set->list.alloc); |
2391 | l_item = &set->list.items[set->list.nr++]; | |
155ef25f TA |
2392 | l_item->e = e; |
2393 | l_item->value_index = e->value_list.nr - 1; | |
2394 | ||
f6c213a0 | 2395 | *kv_info = *kvi_p; |
3df8fd62 | 2396 | si->util = kv_info; |
3c8687a7 TA |
2397 | |
2398 | return 0; | |
2399 | } | |
2400 | ||
5cf88fd8 | 2401 | static int config_set_element_cmp(const void *cmp_data UNUSED, |
939af16e EW |
2402 | const struct hashmap_entry *eptr, |
2403 | const struct hashmap_entry *entry_or_key, | |
5cf88fd8 | 2404 | const void *keydata UNUSED) |
3c8687a7 | 2405 | { |
939af16e EW |
2406 | const struct config_set_element *e1, *e2; |
2407 | ||
2408 | e1 = container_of(eptr, const struct config_set_element, ent); | |
2409 | e2 = container_of(entry_or_key, const struct config_set_element, ent); | |
77bdc097 | 2410 | |
3c8687a7 TA |
2411 | return strcmp(e1->key, e2->key); |
2412 | } | |
2413 | ||
9b4a6553 | 2414 | void git_configset_init(struct config_set *set) |
3c8687a7 | 2415 | { |
9b4a6553 GC |
2416 | hashmap_init(&set->config_hash, config_set_element_cmp, NULL, 0); |
2417 | set->hash_initialized = 1; | |
2418 | set->list.nr = 0; | |
2419 | set->list.alloc = 0; | |
2420 | set->list.items = NULL; | |
3c8687a7 TA |
2421 | } |
2422 | ||
9b4a6553 | 2423 | void git_configset_clear(struct config_set *set) |
3c8687a7 TA |
2424 | { |
2425 | struct config_set_element *entry; | |
2426 | struct hashmap_iter iter; | |
9b4a6553 | 2427 | if (!set->hash_initialized) |
3c8687a7 TA |
2428 | return; |
2429 | ||
9b4a6553 | 2430 | hashmap_for_each_entry(&set->config_hash, &iter, entry, |
87571c3f | 2431 | ent /* member name */) { |
3c8687a7 | 2432 | free(entry->key); |
3df8fd62 | 2433 | string_list_clear(&entry->value_list, 1); |
3c8687a7 | 2434 | } |
9b4a6553 GC |
2435 | hashmap_clear_and_free(&set->config_hash, struct config_set_element, ent); |
2436 | set->hash_initialized = 0; | |
2437 | free(set->list.items); | |
2438 | set->list.nr = 0; | |
2439 | set->list.alloc = 0; | |
2440 | set->list.items = NULL; | |
3c8687a7 TA |
2441 | } |
2442 | ||
a4e7e317 | 2443 | static int config_set_callback(const char *key, const char *value, |
26b66932 | 2444 | const struct config_context *ctx, |
a4e7e317 | 2445 | void *cb) |
3c8687a7 | 2446 | { |
f6c213a0 GC |
2447 | struct config_set *set = cb; |
2448 | configset_add_value(ctx->kvi, set, key, value); | |
3c8687a7 TA |
2449 | return 0; |
2450 | } | |
2451 | ||
9b4a6553 | 2452 | int git_configset_add_file(struct config_set *set, const char *filename) |
3c8687a7 | 2453 | { |
f6c213a0 | 2454 | return git_config_from_file(config_set_callback, filename, set); |
3c8687a7 TA |
2455 | } |
2456 | ||
8868b1eb GC |
2457 | int git_configset_get_value(struct config_set *set, const char *key, |
2458 | const char **value, struct key_value_info *kvi) | |
3c8687a7 TA |
2459 | { |
2460 | const struct string_list *values = NULL; | |
a4286193 | 2461 | int ret; |
8868b1eb | 2462 | struct string_list_item item; |
3c8687a7 TA |
2463 | /* |
2464 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
2465 | * queried key in the files of the configset, the value returned will be the last | |
2466 | * value in the value list for that key. | |
2467 | */ | |
06e9e726 | 2468 | if ((ret = git_configset_get_value_multi(set, key, &values))) |
a4286193 | 2469 | return ret; |
3c8687a7 | 2470 | |
3c8687a7 | 2471 | assert(values->nr > 0); |
8868b1eb GC |
2472 | item = values->items[values->nr - 1]; |
2473 | *value = item.string; | |
2474 | if (kvi) | |
2475 | *kvi = *((struct key_value_info *)item.util); | |
3c8687a7 TA |
2476 | return 0; |
2477 | } | |
2478 | ||
06e9e726 | 2479 | int git_configset_get_value_multi(struct config_set *set, const char *key, |
a4286193 | 2480 | const struct string_list **dest) |
3c8687a7 | 2481 | { |
b83efcec | 2482 | struct config_set_element *e; |
a4286193 | 2483 | int ret; |
b83efcec | 2484 | |
06e9e726 | 2485 | if ((ret = configset_find_element(set, key, &e))) |
a4286193 | 2486 | return ret; |
b83efcec | 2487 | else if (!e) |
a4286193 ÆAB |
2488 | return 1; |
2489 | *dest = &e->value_list; | |
2490 | ||
2491 | return 0; | |
b83efcec ÆAB |
2492 | } |
2493 | ||
9e2d884d ÆAB |
2494 | static int check_multi_string(struct string_list_item *item, void *util) |
2495 | { | |
2496 | return item->string ? 0 : config_error_nonbool(util); | |
2497 | } | |
2498 | ||
2499 | int git_configset_get_string_multi(struct config_set *cs, const char *key, | |
2500 | const struct string_list **dest) | |
2501 | { | |
2502 | int ret; | |
2503 | ||
2504 | if ((ret = git_configset_get_value_multi(cs, key, dest))) | |
2505 | return ret; | |
2506 | if ((ret = for_each_string_list((struct string_list *)*dest, | |
2507 | check_multi_string, (void *)key))) | |
2508 | return ret; | |
2509 | ||
2510 | return 0; | |
2511 | } | |
2512 | ||
06e9e726 | 2513 | int git_configset_get(struct config_set *set, const char *key) |
3c8687a7 | 2514 | { |
b83efcec ÆAB |
2515 | struct config_set_element *e; |
2516 | int ret; | |
2517 | ||
06e9e726 | 2518 | if ((ret = configset_find_element(set, key, &e))) |
b83efcec ÆAB |
2519 | return ret; |
2520 | else if (!e) | |
2521 | return 1; | |
2522 | return 0; | |
3c8687a7 TA |
2523 | } |
2524 | ||
9b4a6553 | 2525 | int git_configset_get_string(struct config_set *set, const char *key, char **dest) |
3c8687a7 TA |
2526 | { |
2527 | const char *value; | |
8868b1eb | 2528 | if (!git_configset_get_value(set, key, &value, NULL)) |
9a53219f | 2529 | return git_config_string((const char **)dest, key, value); |
3c8687a7 TA |
2530 | else |
2531 | return 1; | |
2532 | } | |
2533 | ||
9b4a6553 | 2534 | static int git_configset_get_string_tmp(struct config_set *set, const char *key, |
3ce11382 | 2535 | const char **dest) |
3c8687a7 | 2536 | { |
f1de981e | 2537 | const char *value; |
8868b1eb | 2538 | if (!git_configset_get_value(set, key, &value, NULL)) { |
f1de981e JK |
2539 | if (!value) |
2540 | return config_error_nonbool(key); | |
2541 | *dest = value; | |
2542 | return 0; | |
2543 | } else { | |
2544 | return 1; | |
2545 | } | |
3c8687a7 TA |
2546 | } |
2547 | ||
9b4a6553 | 2548 | int git_configset_get_int(struct config_set *set, const char *key, int *dest) |
3c8687a7 TA |
2549 | { |
2550 | const char *value; | |
8868b1eb GC |
2551 | struct key_value_info kvi; |
2552 | ||
2553 | if (!git_configset_get_value(set, key, &value, &kvi)) { | |
2554 | *dest = git_config_int(key, value, &kvi); | |
3c8687a7 TA |
2555 | return 0; |
2556 | } else | |
2557 | return 1; | |
2558 | } | |
2559 | ||
9b4a6553 | 2560 | int git_configset_get_ulong(struct config_set *set, const char *key, unsigned long *dest) |
3c8687a7 TA |
2561 | { |
2562 | const char *value; | |
8868b1eb GC |
2563 | struct key_value_info kvi; |
2564 | ||
2565 | if (!git_configset_get_value(set, key, &value, &kvi)) { | |
2566 | *dest = git_config_ulong(key, value, &kvi); | |
3c8687a7 TA |
2567 | return 0; |
2568 | } else | |
2569 | return 1; | |
2570 | } | |
2571 | ||
9b4a6553 | 2572 | int git_configset_get_bool(struct config_set *set, const char *key, int *dest) |
3c8687a7 TA |
2573 | { |
2574 | const char *value; | |
8868b1eb | 2575 | if (!git_configset_get_value(set, key, &value, NULL)) { |
3c8687a7 TA |
2576 | *dest = git_config_bool(key, value); |
2577 | return 0; | |
2578 | } else | |
2579 | return 1; | |
2580 | } | |
2581 | ||
9b4a6553 | 2582 | int git_configset_get_bool_or_int(struct config_set *set, const char *key, |
3c8687a7 TA |
2583 | int *is_bool, int *dest) |
2584 | { | |
2585 | const char *value; | |
8868b1eb GC |
2586 | struct key_value_info kvi; |
2587 | ||
2588 | if (!git_configset_get_value(set, key, &value, &kvi)) { | |
2589 | *dest = git_config_bool_or_int(key, value, &kvi, is_bool); | |
3c8687a7 TA |
2590 | return 0; |
2591 | } else | |
2592 | return 1; | |
2593 | } | |
2594 | ||
9b4a6553 | 2595 | int git_configset_get_maybe_bool(struct config_set *set, const char *key, int *dest) |
3c8687a7 TA |
2596 | { |
2597 | const char *value; | |
8868b1eb | 2598 | if (!git_configset_get_value(set, key, &value, NULL)) { |
89576613 | 2599 | *dest = git_parse_maybe_bool(value); |
3c8687a7 TA |
2600 | if (*dest == -1) |
2601 | return -1; | |
2602 | return 0; | |
2603 | } else | |
2604 | return 1; | |
2605 | } | |
2606 | ||
9b4a6553 | 2607 | int git_configset_get_pathname(struct config_set *set, const char *key, const char **dest) |
3c8687a7 TA |
2608 | { |
2609 | const char *value; | |
8868b1eb | 2610 | if (!git_configset_get_value(set, key, &value, NULL)) |
3c8687a7 TA |
2611 | return git_config_pathname(dest, key, value); |
2612 | else | |
2613 | return 1; | |
2614 | } | |
2615 | ||
3b256228 BW |
2616 | /* Functions use to read configuration from a repository */ |
2617 | static void repo_read_config(struct repository *repo) | |
3c8687a7 | 2618 | { |
1703751f | 2619 | struct config_options opts = { 0 }; |
3b256228 BW |
2620 | |
2621 | opts.respect_includes = 1; | |
2622 | opts.commondir = repo->commondir; | |
2623 | opts.git_dir = repo->gitdir; | |
2624 | ||
2625 | if (!repo->config) | |
ca56dadb | 2626 | CALLOC_ARRAY(repo->config, 1); |
3b256228 BW |
2627 | else |
2628 | git_configset_clear(repo->config); | |
2629 | ||
2630 | git_configset_init(repo->config); | |
f6c213a0 GC |
2631 | if (config_with_options(config_set_callback, repo->config, NULL, |
2632 | repo, &opts) < 0) | |
3b256228 BW |
2633 | /* |
2634 | * config_with_options() normally returns only | |
2635 | * zero, as most errors are fatal, and | |
2636 | * non-fatal potential errors are guarded by "if" | |
2637 | * statements that are entered only when no error is | |
2638 | * possible. | |
2639 | * | |
2640 | * If we ever encounter a non-fatal error, it means | |
2641 | * something went really wrong and we should stop | |
2642 | * immediately. | |
2643 | */ | |
2644 | die(_("unknown error occurred while reading the configuration files")); | |
2645 | } | |
2646 | ||
2647 | static void git_config_check_init(struct repository *repo) | |
2648 | { | |
2649 | if (repo->config && repo->config->hash_initialized) | |
3c8687a7 | 2650 | return; |
3b256228 | 2651 | repo_read_config(repo); |
3c8687a7 TA |
2652 | } |
2653 | ||
3b256228 | 2654 | static void repo_config_clear(struct repository *repo) |
3c8687a7 | 2655 | { |
3b256228 | 2656 | if (!repo->config || !repo->config->hash_initialized) |
3c8687a7 | 2657 | return; |
3b256228 | 2658 | git_configset_clear(repo->config); |
3c8687a7 TA |
2659 | } |
2660 | ||
3b256228 | 2661 | void repo_config(struct repository *repo, config_fn_t fn, void *data) |
3c8687a7 | 2662 | { |
3b256228 | 2663 | git_config_check_init(repo); |
f6c213a0 | 2664 | configset_iter(repo->config, fn, data); |
3c8687a7 TA |
2665 | } |
2666 | ||
b83efcec ÆAB |
2667 | int repo_config_get(struct repository *repo, const char *key) |
2668 | { | |
2669 | git_config_check_init(repo); | |
2670 | return git_configset_get(repo->config, key); | |
2671 | } | |
2672 | ||
3b256228 BW |
2673 | int repo_config_get_value(struct repository *repo, |
2674 | const char *key, const char **value) | |
3c8687a7 | 2675 | { |
3b256228 | 2676 | git_config_check_init(repo); |
8868b1eb | 2677 | return git_configset_get_value(repo->config, key, value, NULL); |
3c8687a7 TA |
2678 | } |
2679 | ||
a4286193 ÆAB |
2680 | int repo_config_get_value_multi(struct repository *repo, const char *key, |
2681 | const struct string_list **dest) | |
3b256228 BW |
2682 | { |
2683 | git_config_check_init(repo); | |
a4286193 | 2684 | return git_configset_get_value_multi(repo->config, key, dest); |
3b256228 BW |
2685 | } |
2686 | ||
9e2d884d ÆAB |
2687 | int repo_config_get_string_multi(struct repository *repo, const char *key, |
2688 | const struct string_list **dest) | |
3b256228 BW |
2689 | { |
2690 | git_config_check_init(repo); | |
9e2d884d | 2691 | return git_configset_get_string_multi(repo->config, key, dest); |
3b256228 BW |
2692 | } |
2693 | ||
9a53219f JK |
2694 | int repo_config_get_string(struct repository *repo, |
2695 | const char *key, char **dest) | |
3b256228 BW |
2696 | { |
2697 | int ret; | |
2698 | git_config_check_init(repo); | |
9a53219f | 2699 | ret = git_configset_get_string(repo->config, key, dest); |
3b256228 BW |
2700 | if (ret < 0) |
2701 | git_die_config(key, NULL); | |
2702 | return ret; | |
2703 | } | |
2704 | ||
f1de981e JK |
2705 | int repo_config_get_string_tmp(struct repository *repo, |
2706 | const char *key, const char **dest) | |
3b256228 | 2707 | { |
f1de981e | 2708 | int ret; |
3b256228 | 2709 | git_config_check_init(repo); |
f1de981e JK |
2710 | ret = git_configset_get_string_tmp(repo->config, key, dest); |
2711 | if (ret < 0) | |
2712 | git_die_config(key, NULL); | |
2713 | return ret; | |
3b256228 BW |
2714 | } |
2715 | ||
2716 | int repo_config_get_int(struct repository *repo, | |
2717 | const char *key, int *dest) | |
2718 | { | |
2719 | git_config_check_init(repo); | |
2720 | return git_configset_get_int(repo->config, key, dest); | |
2721 | } | |
2722 | ||
2723 | int repo_config_get_ulong(struct repository *repo, | |
2724 | const char *key, unsigned long *dest) | |
2725 | { | |
2726 | git_config_check_init(repo); | |
2727 | return git_configset_get_ulong(repo->config, key, dest); | |
2728 | } | |
2729 | ||
2730 | int repo_config_get_bool(struct repository *repo, | |
2731 | const char *key, int *dest) | |
2732 | { | |
2733 | git_config_check_init(repo); | |
2734 | return git_configset_get_bool(repo->config, key, dest); | |
2735 | } | |
2736 | ||
2737 | int repo_config_get_bool_or_int(struct repository *repo, | |
2738 | const char *key, int *is_bool, int *dest) | |
2739 | { | |
2740 | git_config_check_init(repo); | |
2741 | return git_configset_get_bool_or_int(repo->config, key, is_bool, dest); | |
2742 | } | |
2743 | ||
2744 | int repo_config_get_maybe_bool(struct repository *repo, | |
2745 | const char *key, int *dest) | |
2746 | { | |
2747 | git_config_check_init(repo); | |
2748 | return git_configset_get_maybe_bool(repo->config, key, dest); | |
2749 | } | |
2750 | ||
2751 | int repo_config_get_pathname(struct repository *repo, | |
2752 | const char *key, const char **dest) | |
3c8687a7 | 2753 | { |
5a80e97c | 2754 | int ret; |
3b256228 BW |
2755 | git_config_check_init(repo); |
2756 | ret = git_configset_get_pathname(repo->config, key, dest); | |
5a80e97c TA |
2757 | if (ret < 0) |
2758 | git_die_config(key, NULL); | |
2759 | return ret; | |
3c8687a7 TA |
2760 | } |
2761 | ||
5b3c6507 GC |
2762 | /* Read values into protected_config. */ |
2763 | static void read_protected_config(void) | |
2764 | { | |
ecec57b3 GC |
2765 | struct config_options opts = { |
2766 | .respect_includes = 1, | |
2767 | .ignore_repo = 1, | |
2768 | .ignore_worktree = 1, | |
2769 | .system_gently = 1, | |
2770 | }; | |
a798a56c | 2771 | |
5b3c6507 | 2772 | git_configset_init(&protected_config); |
f6c213a0 GC |
2773 | config_with_options(config_set_callback, &protected_config, NULL, |
2774 | NULL, &opts); | |
5b3c6507 GC |
2775 | } |
2776 | ||
2777 | void git_protected_config(config_fn_t fn, void *data) | |
2778 | { | |
2779 | if (!protected_config.hash_initialized) | |
2780 | read_protected_config(); | |
f6c213a0 | 2781 | configset_iter(&protected_config, fn, data); |
5b3c6507 GC |
2782 | } |
2783 | ||
3b256228 BW |
2784 | /* Functions used historically to read configuration from 'the_repository' */ |
2785 | void git_config(config_fn_t fn, void *data) | |
2786 | { | |
2787 | repo_config(the_repository, fn, data); | |
2788 | } | |
2789 | ||
2790 | void git_config_clear(void) | |
2791 | { | |
2792 | repo_config_clear(the_repository); | |
2793 | } | |
2794 | ||
b83efcec ÆAB |
2795 | int git_config_get(const char *key) |
2796 | { | |
2797 | return repo_config_get(the_repository, key); | |
2798 | } | |
2799 | ||
3b256228 BW |
2800 | int git_config_get_value(const char *key, const char **value) |
2801 | { | |
2802 | return repo_config_get_value(the_repository, key, value); | |
2803 | } | |
2804 | ||
a4286193 | 2805 | int git_config_get_value_multi(const char *key, const struct string_list **dest) |
3b256228 | 2806 | { |
a4286193 | 2807 | return repo_config_get_value_multi(the_repository, key, dest); |
3b256228 BW |
2808 | } |
2809 | ||
9e2d884d ÆAB |
2810 | int git_config_get_string_multi(const char *key, |
2811 | const struct string_list **dest) | |
3b256228 | 2812 | { |
9e2d884d | 2813 | return repo_config_get_string_multi(the_repository, key, dest); |
3b256228 BW |
2814 | } |
2815 | ||
3c8687a7 | 2816 | int git_config_get_string(const char *key, char **dest) |
3b256228 | 2817 | { |
3b256228 | 2818 | return repo_config_get_string(the_repository, key, dest); |
3b256228 BW |
2819 | } |
2820 | ||
f1de981e | 2821 | int git_config_get_string_tmp(const char *key, const char **dest) |
3c8687a7 | 2822 | { |
f1de981e | 2823 | return repo_config_get_string_tmp(the_repository, key, dest); |
3c8687a7 TA |
2824 | } |
2825 | ||
2826 | int git_config_get_int(const char *key, int *dest) | |
2827 | { | |
3b256228 | 2828 | return repo_config_get_int(the_repository, key, dest); |
3c8687a7 TA |
2829 | } |
2830 | ||
2831 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
2832 | { | |
3b256228 | 2833 | return repo_config_get_ulong(the_repository, key, dest); |
3c8687a7 TA |
2834 | } |
2835 | ||
2836 | int git_config_get_bool(const char *key, int *dest) | |
2837 | { | |
3b256228 | 2838 | return repo_config_get_bool(the_repository, key, dest); |
3c8687a7 TA |
2839 | } |
2840 | ||
2841 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
2842 | { | |
3b256228 | 2843 | return repo_config_get_bool_or_int(the_repository, key, is_bool, dest); |
3c8687a7 TA |
2844 | } |
2845 | ||
2846 | int git_config_get_maybe_bool(const char *key, int *dest) | |
2847 | { | |
3b256228 | 2848 | return repo_config_get_maybe_bool(the_repository, key, dest); |
3c8687a7 TA |
2849 | } |
2850 | ||
2851 | int git_config_get_pathname(const char *key, const char **dest) | |
2852 | { | |
3b256228 | 2853 | return repo_config_get_pathname(the_repository, key, dest); |
5a80e97c TA |
2854 | } |
2855 | ||
77d67977 CC |
2856 | int git_config_get_expiry(const char *key, const char **output) |
2857 | { | |
9a53219f | 2858 | int ret = git_config_get_string(key, (char **)output); |
77d67977 CC |
2859 | if (ret) |
2860 | return ret; | |
2861 | if (strcmp(*output, "now")) { | |
dddbad72 | 2862 | timestamp_t now = approxidate("now"); |
77d67977 CC |
2863 | if (approxidate(*output) >= now) |
2864 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
2865 | } | |
2866 | return ret; | |
2867 | } | |
2868 | ||
6e96cb52 JH |
2869 | int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now) |
2870 | { | |
1c890016 | 2871 | const char *expiry_string; |
6e96cb52 JH |
2872 | intmax_t days; |
2873 | timestamp_t when; | |
2874 | ||
1c890016 | 2875 | if (git_config_get_string_tmp(key, &expiry_string)) |
6e96cb52 JH |
2876 | return 1; /* no such thing */ |
2877 | ||
2878 | if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) { | |
2879 | const int scale = 86400; | |
2880 | *expiry = now - days * scale; | |
2881 | return 0; | |
2882 | } | |
2883 | ||
2884 | if (!parse_expiry_date(expiry_string, &when)) { | |
2885 | *expiry = when; | |
2886 | return 0; | |
2887 | } | |
2888 | return -1; /* thing exists but cannot be parsed */ | |
2889 | } | |
2890 | ||
1f44b09b CC |
2891 | int git_config_get_split_index(void) |
2892 | { | |
2893 | int val; | |
2894 | ||
2895 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
2896 | return val; | |
2897 | ||
2898 | return -1; /* default value */ | |
2899 | } | |
2900 | ||
72dcb7b3 CC |
2901 | int git_config_get_max_percent_split_change(void) |
2902 | { | |
2903 | int val = -1; | |
2904 | ||
2905 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
2906 | if (0 <= val && val <= 100) | |
2907 | return val; | |
2908 | ||
2909 | return error(_("splitIndex.maxPercentChange value '%d' " | |
2910 | "should be between 0 and 100"), val); | |
2911 | } | |
2912 | ||
2913 | return -1; /* default value */ | |
2914 | } | |
2915 | ||
2a9dedef | 2916 | int git_config_get_index_threads(int *dest) |
c780b9cf | 2917 | { |
2a9dedef | 2918 | int is_bool, val; |
c780b9cf BP |
2919 | |
2920 | val = git_env_ulong("GIT_TEST_INDEX_THREADS", 0); | |
2a9dedef JN |
2921 | if (val) { |
2922 | *dest = val; | |
2923 | return 0; | |
2924 | } | |
c780b9cf BP |
2925 | |
2926 | if (!git_config_get_bool_or_int("index.threads", &is_bool, &val)) { | |
2927 | if (is_bool) | |
2a9dedef | 2928 | *dest = val ? 0 : 1; |
c780b9cf | 2929 | else |
2a9dedef JN |
2930 | *dest = val; |
2931 | return 0; | |
c780b9cf BP |
2932 | } |
2933 | ||
2a9dedef | 2934 | return 1; |
c780b9cf BP |
2935 | } |
2936 | ||
5a80e97c TA |
2937 | NORETURN |
2938 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
2939 | { | |
2940 | if (!filename) | |
2941 | die(_("unable to parse '%s' from command-line config"), key); | |
2942 | else | |
2943 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
2944 | key, filename, linenr); | |
2945 | } | |
2946 | ||
2947 | NORETURN __attribute__((format(printf, 2, 3))) | |
2948 | void git_die_config(const char *key, const char *err, ...) | |
2949 | { | |
2950 | const struct string_list *values; | |
2951 | struct key_value_info *kv_info; | |
f5c39c32 | 2952 | report_fn error_fn = get_error_routine(); |
5a80e97c TA |
2953 | |
2954 | if (err) { | |
2955 | va_list params; | |
2956 | va_start(params, err); | |
f5c39c32 | 2957 | error_fn(err, params); |
5a80e97c TA |
2958 | va_end(params); |
2959 | } | |
a4286193 ÆAB |
2960 | if (git_config_get_value_multi(key, &values)) |
2961 | BUG("for key '%s' we must have a value to report on", key); | |
5a80e97c TA |
2962 | kv_info = values->items[values->nr - 1].util; |
2963 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
2964 | } |
2965 | ||
10bea152 JS |
2966 | /* |
2967 | * Find all the stuff for git_config_set() below. | |
2968 | */ | |
4ddba79d | 2969 | |
fee8572c | 2970 | struct config_store_data { |
f011a965 | 2971 | size_t baselen; |
4b25d091 | 2972 | char *key; |
f98d863d | 2973 | int do_not_match; |
c90702a1 | 2974 | const char *fixed_value; |
247e2f82 | 2975 | regex_t *value_pattern; |
4ddba79d | 2976 | int multi_replace; |
6ae996f2 JS |
2977 | struct { |
2978 | size_t begin, end; | |
2979 | enum config_event_t type; | |
22aedfcc | 2980 | int is_keys_section; |
6ae996f2 JS |
2981 | } *parsed; |
2982 | unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc; | |
5221c315 | 2983 | unsigned int key_seen:1, section_seen:1, is_keys_section:1; |
fee8572c | 2984 | }; |
a798a56c | 2985 | #define CONFIG_STORE_INIT { 0 } |
10bea152 | 2986 | |
2a00e594 MÅ |
2987 | static void config_store_data_clear(struct config_store_data *store) |
2988 | { | |
e7347cb9 | 2989 | free(store->key); |
247e2f82 DS |
2990 | if (store->value_pattern != NULL && |
2991 | store->value_pattern != CONFIG_REGEX_NONE) { | |
2992 | regfree(store->value_pattern); | |
2993 | free(store->value_pattern); | |
3b82542d | 2994 | } |
2a00e594 MÅ |
2995 | free(store->parsed); |
2996 | free(store->seen); | |
2997 | memset(store, 0, sizeof(*store)); | |
2998 | } | |
2999 | ||
fee8572c JS |
3000 | static int matches(const char *key, const char *value, |
3001 | const struct config_store_data *store) | |
f98d863d | 3002 | { |
fee8572c | 3003 | if (strcmp(key, store->key)) |
c1063be2 | 3004 | return 0; /* not ours */ |
c90702a1 DS |
3005 | if (store->fixed_value) |
3006 | return !strcmp(store->fixed_value, value); | |
247e2f82 | 3007 | if (!store->value_pattern) |
c1063be2 | 3008 | return 1; /* always matches */ |
247e2f82 | 3009 | if (store->value_pattern == CONFIG_REGEX_NONE) |
c1063be2 JK |
3010 | return 0; /* never matches */ |
3011 | ||
fee8572c | 3012 | return store->do_not_match ^ |
247e2f82 | 3013 | (value && !regexec(store->value_pattern, value, 0, NULL, 0)); |
f98d863d JS |
3014 | } |
3015 | ||
6e8e7981 GC |
3016 | static int store_aux_event(enum config_event_t type, size_t begin, size_t end, |
3017 | struct config_source *cs, void *data) | |
6ae996f2 JS |
3018 | { |
3019 | struct config_store_data *store = data; | |
3020 | ||
3021 | ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc); | |
3022 | store->parsed[store->parsed_nr].begin = begin; | |
3023 | store->parsed[store->parsed_nr].end = end; | |
3024 | store->parsed[store->parsed_nr].type = type; | |
6ae996f2 JS |
3025 | |
3026 | if (type == CONFIG_EVENT_SECTION) { | |
2d84f13d SB |
3027 | int (*cmpfn)(const char *, const char *, size_t); |
3028 | ||
9b4a6553 GC |
3029 | if (cs->var.len < 2 || cs->var.buf[cs->var.len - 1] != '.') |
3030 | return error(_("invalid section name '%s'"), cs->var.buf); | |
6ae996f2 | 3031 | |
9b4a6553 | 3032 | if (cs->subsection_case_sensitive) |
2d84f13d SB |
3033 | cmpfn = strncasecmp; |
3034 | else | |
3035 | cmpfn = strncmp; | |
3036 | ||
6ae996f2 | 3037 | /* Is this the section we were looking for? */ |
22aedfcc JS |
3038 | store->is_keys_section = |
3039 | store->parsed[store->parsed_nr].is_keys_section = | |
9b4a6553 GC |
3040 | cs->var.len - 1 == store->baselen && |
3041 | !cmpfn(cs->var.buf, store->key, store->baselen); | |
c71d8bb3 JS |
3042 | if (store->is_keys_section) { |
3043 | store->section_seen = 1; | |
3044 | ALLOC_GROW(store->seen, store->seen_nr + 1, | |
3045 | store->seen_alloc); | |
3046 | store->seen[store->seen_nr] = store->parsed_nr; | |
3047 | } | |
6ae996f2 JS |
3048 | } |
3049 | ||
22aedfcc JS |
3050 | store->parsed_nr++; |
3051 | ||
6ae996f2 | 3052 | return 0; |
f98d863d JS |
3053 | } |
3054 | ||
a4e7e317 GC |
3055 | static int store_aux(const char *key, const char *value, |
3056 | const struct config_context *ctx UNUSED, void *cb) | |
10bea152 | 3057 | { |
fee8572c | 3058 | struct config_store_data *store = cb; |
ae9ee41d | 3059 | |
5221c315 | 3060 | if (store->key_seen) { |
fee8572c | 3061 | if (matches(key, value, store)) { |
668b9ade | 3062 | if (store->seen_nr == 1 && store->multi_replace == 0) { |
8262aaa2 | 3063 | warning(_("%s has multiple values"), key); |
10bea152 | 3064 | } |
4ddba79d | 3065 | |
668b9ade JS |
3066 | ALLOC_GROW(store->seen, store->seen_nr + 1, |
3067 | store->seen_alloc); | |
83786fa4 | 3068 | |
6ae996f2 | 3069 | store->seen[store->seen_nr] = store->parsed_nr; |
668b9ade | 3070 | store->seen_nr++; |
10bea152 | 3071 | } |
5221c315 | 3072 | } else if (store->is_keys_section) { |
ae9ee41d | 3073 | /* |
6ae996f2 JS |
3074 | * Do not increment matches yet: this may not be a match, but we |
3075 | * are in the desired section. | |
ae9ee41d | 3076 | */ |
6ae996f2 JS |
3077 | ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc); |
3078 | store->seen[store->seen_nr] = store->parsed_nr; | |
5221c315 | 3079 | store->section_seen = 1; |
ae9ee41d | 3080 | |
6ae996f2 JS |
3081 | if (matches(key, value, store)) { |
3082 | store->seen_nr++; | |
3083 | store->key_seen = 1; | |
bdf0ef08 | 3084 | } |
10bea152 | 3085 | } |
5221c315 | 3086 | |
10bea152 JS |
3087 | return 0; |
3088 | } | |
3089 | ||
64c0d71c | 3090 | static int write_error(const char *filename) |
480c9e52 | 3091 | { |
a769bfc7 | 3092 | error(_("failed to write new configuration file %s"), filename); |
480c9e52 AW |
3093 | |
3094 | /* Same error code as "failed to rename". */ | |
3095 | return 4; | |
3096 | } | |
3097 | ||
fee8572c JS |
3098 | static struct strbuf store_create_section(const char *key, |
3099 | const struct config_store_data *store) | |
10bea152 | 3100 | { |
cb891a59 | 3101 | const char *dot; |
f011a965 | 3102 | size_t i; |
f285a2d7 | 3103 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 3104 | |
fee8572c | 3105 | dot = memchr(key, '.', store->baselen); |
d14f7764 | 3106 | if (dot) { |
cb891a59 | 3107 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
fee8572c | 3108 | for (i = dot - key + 1; i < store->baselen; i++) { |
e5c349ba | 3109 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
3110 | strbuf_addch(&sb, '\\'); |
3111 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 3112 | } |
cb891a59 KH |
3113 | strbuf_addstr(&sb, "\"]\n"); |
3114 | } else { | |
f011a965 JK |
3115 | strbuf_addch(&sb, '['); |
3116 | strbuf_add(&sb, key, store->baselen); | |
3117 | strbuf_addstr(&sb, "]\n"); | |
d14f7764 LT |
3118 | } |
3119 | ||
5463caab SD |
3120 | return sb; |
3121 | } | |
3122 | ||
fee8572c JS |
3123 | static ssize_t write_section(int fd, const char *key, |
3124 | const struct config_store_data *store) | |
5463caab | 3125 | { |
fee8572c | 3126 | struct strbuf sb = store_create_section(key, store); |
3b48045c | 3127 | ssize_t ret; |
5463caab | 3128 | |
782c030e | 3129 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 | 3130 | strbuf_release(&sb); |
480c9e52 | 3131 | |
d9bd4cbb | 3132 | return ret; |
10bea152 JS |
3133 | } |
3134 | ||
fee8572c JS |
3135 | static ssize_t write_pair(int fd, const char *key, const char *value, |
3136 | const struct config_store_data *store) | |
10bea152 | 3137 | { |
d9bd4cbb JK |
3138 | int i; |
3139 | ssize_t ret; | |
cb891a59 | 3140 | const char *quote = ""; |
f285a2d7 | 3141 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 3142 | |
6281f394 JM |
3143 | /* |
3144 | * Check to see if the value needs to be surrounded with a dq pair. | |
3145 | * Note that problematic characters are always backslash-quoted; this | |
3146 | * check is about not losing leading or trailing SP and strings that | |
3147 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
3148 | * configuration parser. | |
3149 | */ | |
cdd4fb15 | 3150 | if (value[0] == ' ') |
cb891a59 | 3151 | quote = "\""; |
cdd4fb15 BG |
3152 | for (i = 0; value[i]; i++) |
3153 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
3154 | quote = "\""; |
3155 | if (i && value[i - 1] == ' ') | |
3156 | quote = "\""; | |
3157 | ||
6c7e6963 | 3158 | strbuf_addf(&sb, "\t%s = %s", key + store->baselen + 1, quote); |
10bea152 | 3159 | |
10bea152 JS |
3160 | for (i = 0; value[i]; i++) |
3161 | switch (value[i]) { | |
480c9e52 | 3162 | case '\n': |
cb891a59 | 3163 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
3164 | break; |
3165 | case '\t': | |
cb891a59 | 3166 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
3167 | break; |
3168 | case '"': | |
3169 | case '\\': | |
cb891a59 | 3170 | strbuf_addch(&sb, '\\'); |
1cf01a34 | 3171 | /* fallthrough */ |
480c9e52 | 3172 | default: |
cb891a59 | 3173 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
3174 | break; |
3175 | } | |
cb891a59 KH |
3176 | strbuf_addf(&sb, "%s\n", quote); |
3177 | ||
d9bd4cbb | 3178 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 KH |
3179 | strbuf_release(&sb); |
3180 | ||
d9bd4cbb | 3181 | return ret; |
10bea152 JS |
3182 | } |
3183 | ||
22aedfcc JS |
3184 | /* |
3185 | * If we are about to unset the last key(s) in a section, and if there are | |
3186 | * no comments surrounding (or included in) the section, we will want to | |
3187 | * extend begin/end to remove the entire section. | |
3188 | * | |
3189 | * Note: the parameter `seen_ptr` points to the index into the store.seen | |
3190 | * array. * This index may be incremented if a section has more than one | |
3191 | * entry (which all are to be removed). | |
3192 | */ | |
3193 | static void maybe_remove_section(struct config_store_data *store, | |
22aedfcc JS |
3194 | size_t *begin_offset, size_t *end_offset, |
3195 | int *seen_ptr) | |
4ddba79d | 3196 | { |
22aedfcc JS |
3197 | size_t begin; |
3198 | int i, seen, section_seen = 0; | |
4ddba79d | 3199 | |
22aedfcc JS |
3200 | /* |
3201 | * First, ensure that this is the first key, and that there are no | |
3202 | * comments before the entry nor before the section header. | |
3203 | */ | |
3204 | seen = *seen_ptr; | |
3205 | for (i = store->seen[seen]; i > 0; i--) { | |
3206 | enum config_event_t type = store->parsed[i - 1].type; | |
3207 | ||
3208 | if (type == CONFIG_EVENT_COMMENT) | |
3209 | /* There is a comment before this entry or section */ | |
3210 | return; | |
3211 | if (type == CONFIG_EVENT_ENTRY) { | |
3212 | if (!section_seen) | |
3213 | /* This is not the section's first entry. */ | |
3214 | return; | |
3215 | /* We encountered no comment before the section. */ | |
3216 | break; | |
3217 | } | |
3218 | if (type == CONFIG_EVENT_SECTION) { | |
3219 | if (!store->parsed[i - 1].is_keys_section) | |
3220 | break; | |
3221 | section_seen = 1; | |
4ddba79d | 3222 | } |
7a31cc0f | 3223 | } |
22aedfcc JS |
3224 | begin = store->parsed[i].begin; |
3225 | ||
3226 | /* | |
46a237f4 | 3227 | * Next, make sure that we are removing the last key(s) in the section, |
22aedfcc JS |
3228 | * and that there are no comments that are possibly about the current |
3229 | * section. | |
3230 | */ | |
3231 | for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) { | |
3232 | enum config_event_t type = store->parsed[i].type; | |
4ddba79d | 3233 | |
22aedfcc JS |
3234 | if (type == CONFIG_EVENT_COMMENT) |
3235 | return; | |
3236 | if (type == CONFIG_EVENT_SECTION) { | |
3237 | if (store->parsed[i].is_keys_section) | |
3238 | continue; | |
3239 | break; | |
3240 | } | |
3241 | if (type == CONFIG_EVENT_ENTRY) { | |
3242 | if (++seen < store->seen_nr && | |
3243 | i == store->seen[seen]) | |
3244 | /* We want to remove this entry, too */ | |
3245 | continue; | |
3246 | /* There is another entry in this section. */ | |
3247 | return; | |
3248 | } | |
3249 | } | |
3250 | ||
3251 | /* | |
3252 | * We are really removing the last entry/entries from this section, and | |
3253 | * there are no enclosed or surrounding comments. Remove the entire, | |
3254 | * now-empty section. | |
3255 | */ | |
3256 | *seen_ptr = seen; | |
3257 | *begin_offset = begin; | |
3258 | if (i < store->parsed_nr) | |
3259 | *end_offset = store->parsed[i].begin; | |
3260 | else | |
3261 | *end_offset = store->parsed[store->parsed_nr - 1].end; | |
4ddba79d JS |
3262 | } |
3263 | ||
30598ad0 PS |
3264 | int git_config_set_in_file_gently(const char *config_filename, |
3265 | const char *key, const char *value) | |
5ec31182 | 3266 | { |
30598ad0 | 3267 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
3268 | } |
3269 | ||
3d180648 PS |
3270 | void git_config_set_in_file(const char *config_filename, |
3271 | const char *key, const char *value) | |
10bea152 | 3272 | { |
3d180648 | 3273 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
3274 | } |
3275 | ||
30598ad0 | 3276 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 3277 | { |
30598ad0 | 3278 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
3279 | } |
3280 | ||
fe187339 DS |
3281 | int repo_config_set_worktree_gently(struct repository *r, |
3282 | const char *key, const char *value) | |
3283 | { | |
b39a8418 | 3284 | /* Only use worktree-specific config if it is already enabled. */ |
3867f6d6 | 3285 | if (r->repository_format_worktree_config) { |
fe187339 DS |
3286 | char *file = repo_git_path(r, "config.worktree"); |
3287 | int ret = git_config_set_multivar_in_file_gently( | |
3288 | file, key, value, NULL, 0); | |
3289 | free(file); | |
3290 | return ret; | |
3291 | } | |
3292 | return repo_config_set_multivar_gently(r, key, value, NULL, 0); | |
3293 | } | |
3294 | ||
3d180648 | 3295 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 3296 | { |
3d180648 | 3297 | git_config_set_multivar(key, value, NULL, 0); |
ee4512ed JH |
3298 | |
3299 | trace2_cmd_set_config(key, value); | |
10bea152 JS |
3300 | } |
3301 | ||
3302 | /* | |
3303 | * If value==NULL, unset in (remove from) config, | |
247e2f82 DS |
3304 | * if value_pattern!=NULL, disregard key/value pairs where value does not match. |
3305 | * if value_pattern==CONFIG_REGEX_NONE, do not match any existing values | |
c1063be2 | 3306 | * (only add a new one) |
504ee129 DS |
3307 | * if flags contains the CONFIG_FLAGS_MULTI_REPLACE flag, all matching |
3308 | * key/values are removed before a single new pair is written. If the | |
3309 | * flag is not present, then replace only the first match. | |
10bea152 JS |
3310 | * |
3311 | * Returns 0 on success. | |
3312 | * | |
3313 | * This function does this: | |
3314 | * | |
3315 | * - it locks the config file by creating ".git/config.lock" | |
3316 | * | |
3317 | * - it then parses the config using store_aux() as validator to find | |
3318 | * the position on the key/value pair to replace. If it is to be unset, | |
3319 | * it must be found exactly once. | |
3320 | * | |
3321 | * - the config file is mmap()ed and the part before the match (if any) is | |
3322 | * written to the lock file, then the changed part and the rest. | |
3323 | * | |
3324 | * - the config file is removed and the lock file rename()d to it. | |
3325 | * | |
3326 | */ | |
30598ad0 PS |
3327 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
3328 | const char *key, const char *value, | |
247e2f82 | 3329 | const char *value_pattern, |
504ee129 | 3330 | unsigned flags) |
10bea152 | 3331 | { |
54d160ec | 3332 | int fd = -1, in_fd = -1; |
dafc88b1 | 3333 | int ret; |
bfffb48c | 3334 | struct lock_file lock = LOCK_INIT; |
0a5f5759 | 3335 | char *filename_buf = NULL; |
3a1b3126 JK |
3336 | char *contents = NULL; |
3337 | size_t contents_sz; | |
a798a56c | 3338 | struct config_store_data store = CONFIG_STORE_INIT; |
fee8572c | 3339 | |
b09c53a3 LP |
3340 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
3341 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
3342 | if (ret) | |
dafc88b1 | 3343 | goto out_free; |
b17e659d | 3344 | |
504ee129 | 3345 | store.multi_replace = (flags & CONFIG_FLAGS_MULTI_REPLACE) != 0; |
10bea152 | 3346 | |
0a5f5759 JK |
3347 | if (!config_filename) |
3348 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
3349 | |
3350 | /* | |
6cbf973c | 3351 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
3352 | * contents of .git/config will be written into it. |
3353 | */ | |
bfffb48c | 3354 | fd = hold_lock_file_for_update(&lock, config_filename, 0); |
6cbf973c | 3355 | if (fd < 0) { |
a769bfc7 | 3356 | error_errno(_("could not lock config file %s"), config_filename); |
7a397419 | 3357 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 3358 | goto out_free; |
10bea152 JS |
3359 | } |
3360 | ||
3361 | /* | |
3362 | * If .git/config does not exist yet, write a minimal version. | |
3363 | */ | |
88fb958b AR |
3364 | in_fd = open(config_filename, O_RDONLY); |
3365 | if ( in_fd < 0 ) { | |
88fb958b | 3366 | if ( ENOENT != errno ) { |
a769bfc7 | 3367 | error_errno(_("opening %s"), config_filename); |
7a397419 | 3368 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 3369 | goto out_free; |
88fb958b | 3370 | } |
10bea152 | 3371 | /* if nothing to unset, error out */ |
afe8a907 | 3372 | if (!value) { |
7a397419 | 3373 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 3374 | goto out_free; |
10bea152 JS |
3375 | } |
3376 | ||
e7347cb9 MÅ |
3377 | free(store.key); |
3378 | store.key = xstrdup(key); | |
fee8572c JS |
3379 | if (write_section(fd, key, &store) < 0 || |
3380 | write_pair(fd, key, value, &store) < 0) | |
93c1e079 JH |
3381 | goto write_err_out; |
3382 | } else { | |
88fb958b | 3383 | struct stat st; |
3a1b3126 | 3384 | size_t copy_begin, copy_end; |
dc49cd76 | 3385 | int i, new_line = 0; |
6ae996f2 | 3386 | struct config_options opts; |
10bea152 | 3387 | |
afe8a907 | 3388 | if (!value_pattern) |
247e2f82 DS |
3389 | store.value_pattern = NULL; |
3390 | else if (value_pattern == CONFIG_REGEX_NONE) | |
3391 | store.value_pattern = CONFIG_REGEX_NONE; | |
c90702a1 DS |
3392 | else if (flags & CONFIG_FLAGS_FIXED_VALUE) |
3393 | store.fixed_value = value_pattern; | |
10bea152 | 3394 | else { |
247e2f82 | 3395 | if (value_pattern[0] == '!') { |
f98d863d | 3396 | store.do_not_match = 1; |
247e2f82 | 3397 | value_pattern++; |
f98d863d JS |
3398 | } else |
3399 | store.do_not_match = 0; | |
3400 | ||
247e2f82 DS |
3401 | store.value_pattern = (regex_t*)xmalloc(sizeof(regex_t)); |
3402 | if (regcomp(store.value_pattern, value_pattern, | |
10bea152 | 3403 | REG_EXTENDED)) { |
247e2f82 DS |
3404 | error(_("invalid pattern: %s"), value_pattern); |
3405 | FREE_AND_NULL(store.value_pattern); | |
7a397419 | 3406 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 3407 | goto out_free; |
10bea152 JS |
3408 | } |
3409 | } | |
3410 | ||
6ae996f2 JS |
3411 | ALLOC_GROW(store.parsed, 1, store.parsed_alloc); |
3412 | store.parsed[0].end = 0; | |
3413 | ||
3414 | memset(&opts, 0, sizeof(opts)); | |
3415 | opts.event_fn = store_aux_event; | |
3416 | opts.event_fn_data = &store; | |
10bea152 JS |
3417 | |
3418 | /* | |
6ae996f2 JS |
3419 | * After this, store.parsed will contain offsets of all the |
3420 | * parsed elements, and store.seen will contain a list of | |
3421 | * matches, as indices into store.parsed. | |
3422 | * | |
10bea152 JS |
3423 | * As a side effect, we make sure to transform only a valid |
3424 | * existing config file. | |
3425 | */ | |
6ae996f2 JS |
3426 | if (git_config_from_file_with_options(store_aux, |
3427 | config_filename, | |
809d8680 GC |
3428 | &store, CONFIG_SCOPE_UNKNOWN, |
3429 | &opts)) { | |
a769bfc7 | 3430 | error(_("invalid config file %s"), config_filename); |
7a397419 | 3431 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 3432 | goto out_free; |
10bea152 JS |
3433 | } |
3434 | ||
4ddba79d | 3435 | /* if nothing to unset, or too many matches, error out */ |
668b9ade | 3436 | if ((store.seen_nr == 0 && value == NULL) || |
504ee129 | 3437 | (store.seen_nr > 1 && !store.multi_replace)) { |
7a397419 | 3438 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 3439 | goto out_free; |
10bea152 JS |
3440 | } |
3441 | ||
29647d79 NTND |
3442 | if (fstat(in_fd, &st) == -1) { |
3443 | error_errno(_("fstat on %s failed"), config_filename); | |
3444 | ret = CONFIG_INVALID_FILE; | |
3445 | goto out_free; | |
3446 | } | |
3447 | ||
dc49cd76 | 3448 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
3449 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
3450 | MAP_PRIVATE, in_fd, 0); | |
3451 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
3452 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
3453 | errno = EISDIR; | |
dc059294 EW |
3454 | error_errno(_("unable to mmap '%s'%s"), |
3455 | config_filename, mmap_os_err()); | |
1570856b JK |
3456 | ret = CONFIG_INVALID_FILE; |
3457 | contents = NULL; | |
3458 | goto out_free; | |
3459 | } | |
10bea152 | 3460 | close(in_fd); |
54d160ec | 3461 | in_fd = -1; |
10bea152 | 3462 | |
bfffb48c | 3463 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 3464 | error_errno(_("chmod on %s failed"), get_lock_file_path(&lock)); |
daa22c6f EW |
3465 | ret = CONFIG_NO_WRITE; |
3466 | goto out_free; | |
3467 | } | |
3468 | ||
6ae996f2 JS |
3469 | if (store.seen_nr == 0) { |
3470 | if (!store.seen_alloc) { | |
3471 | /* Did not see key nor section */ | |
3472 | ALLOC_GROW(store.seen, 1, store.seen_alloc); | |
3473 | store.seen[0] = store.parsed_nr | |
3474 | - !!store.parsed_nr; | |
3475 | } | |
668b9ade | 3476 | store.seen_nr = 1; |
6ae996f2 | 3477 | } |
4ddba79d | 3478 | |
668b9ade | 3479 | for (i = 0, copy_begin = 0; i < store.seen_nr; i++) { |
6ae996f2 JS |
3480 | size_t replace_end; |
3481 | int j = store.seen[i]; | |
3482 | ||
46fc89ce | 3483 | new_line = 0; |
6ae996f2 | 3484 | if (!store.key_seen) { |
c71d8bb3 JS |
3485 | copy_end = store.parsed[j].end; |
3486 | /* include '\n' when copying section header */ | |
3487 | if (copy_end > 0 && copy_end < contents_sz && | |
3488 | contents[copy_end - 1] != '\n' && | |
3489 | contents[copy_end] == '\n') | |
3490 | copy_end++; | |
3491 | replace_end = copy_end; | |
6ae996f2 JS |
3492 | } else { |
3493 | replace_end = store.parsed[j].end; | |
3494 | copy_end = store.parsed[j].begin; | |
22aedfcc | 3495 | if (!value) |
a263ea84 | 3496 | maybe_remove_section(&store, |
22aedfcc JS |
3497 | ©_end, |
3498 | &replace_end, &i); | |
6ae996f2 JS |
3499 | /* |
3500 | * Swallow preceding white-space on the same | |
3501 | * line. | |
3502 | */ | |
3503 | while (copy_end > 0 ) { | |
3504 | char c = contents[copy_end - 1]; | |
3505 | ||
3506 | if (isspace(c) && c != '\n') | |
3507 | copy_end--; | |
3508 | else | |
3509 | break; | |
3510 | } | |
3511 | } | |
4ddba79d | 3512 | |
02e5ba4a JK |
3513 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
3514 | new_line = 1; | |
3515 | ||
4ddba79d JS |
3516 | /* write the first part of the config */ |
3517 | if (copy_end > copy_begin) { | |
93c1e079 | 3518 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 3519 | copy_end - copy_begin) < 0) |
93c1e079 JH |
3520 | goto write_err_out; |
3521 | if (new_line && | |
06f46f23 | 3522 | write_str_in_full(fd, "\n") < 0) |
93c1e079 | 3523 | goto write_err_out; |
4ddba79d | 3524 | } |
6ae996f2 | 3525 | copy_begin = replace_end; |
10bea152 JS |
3526 | } |
3527 | ||
10bea152 | 3528 | /* write the pair (value == NULL means unset) */ |
afe8a907 | 3529 | if (value) { |
5221c315 | 3530 | if (!store.section_seen) { |
fee8572c | 3531 | if (write_section(fd, key, &store) < 0) |
93c1e079 | 3532 | goto write_err_out; |
480c9e52 | 3533 | } |
fee8572c | 3534 | if (write_pair(fd, key, value, &store) < 0) |
93c1e079 | 3535 | goto write_err_out; |
10bea152 JS |
3536 | } |
3537 | ||
3538 | /* write the rest of the config */ | |
dc49cd76 | 3539 | if (copy_begin < contents_sz) |
93c1e079 | 3540 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 3541 | contents_sz - copy_begin) < 0) |
93c1e079 | 3542 | goto write_err_out; |
7a64592c KB |
3543 | |
3544 | munmap(contents, contents_sz); | |
3545 | contents = NULL; | |
10bea152 JS |
3546 | } |
3547 | ||
bfffb48c | 3548 | if (commit_lock_file(&lock) < 0) { |
a769bfc7 | 3549 | error_errno(_("could not write config file %s"), config_filename); |
7a397419 | 3550 | ret = CONFIG_NO_WRITE; |
dafc88b1 | 3551 | goto out_free; |
10bea152 JS |
3552 | } |
3553 | ||
dafc88b1 SH |
3554 | ret = 0; |
3555 | ||
3c8687a7 TA |
3556 | /* Invalidate the config cache */ |
3557 | git_config_clear(); | |
3558 | ||
dafc88b1 | 3559 | out_free: |
bfffb48c | 3560 | rollback_lock_file(&lock); |
0a5f5759 | 3561 | free(filename_buf); |
3a1b3126 JK |
3562 | if (contents) |
3563 | munmap(contents, contents_sz); | |
54d160ec SS |
3564 | if (in_fd >= 0) |
3565 | close(in_fd); | |
2a00e594 | 3566 | config_store_data_clear(&store); |
dafc88b1 | 3567 | return ret; |
93c1e079 JH |
3568 | |
3569 | write_err_out: | |
bfffb48c | 3570 | ret = write_error(get_lock_file_path(&lock)); |
93c1e079 JH |
3571 | goto out_free; |
3572 | ||
10bea152 JS |
3573 | } |
3574 | ||
3d180648 PS |
3575 | void git_config_set_multivar_in_file(const char *config_filename, |
3576 | const char *key, const char *value, | |
247e2f82 | 3577 | const char *value_pattern, unsigned flags) |
b4c8aba6 | 3578 | { |
1cae428e | 3579 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
247e2f82 | 3580 | value_pattern, flags)) |
1cae428e JK |
3581 | return; |
3582 | if (value) | |
8c3ca351 | 3583 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
3584 | else |
3585 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
3586 | } |
3587 | ||
30598ad0 | 3588 | int git_config_set_multivar_gently(const char *key, const char *value, |
247e2f82 | 3589 | const char *value_pattern, unsigned flags) |
5ec31182 | 3590 | { |
fe187339 DS |
3591 | return repo_config_set_multivar_gently(the_repository, key, value, |
3592 | value_pattern, flags); | |
3593 | } | |
3594 | ||
3595 | int repo_config_set_multivar_gently(struct repository *r, const char *key, | |
3596 | const char *value, | |
3597 | const char *value_pattern, unsigned flags) | |
3598 | { | |
3599 | char *file = repo_git_path(r, "config"); | |
3600 | int res = git_config_set_multivar_in_file_gently(file, | |
3601 | key, value, | |
3602 | value_pattern, | |
3603 | flags); | |
3604 | free(file); | |
3605 | return res; | |
5ec31182 RR |
3606 | } |
3607 | ||
3d180648 | 3608 | void git_config_set_multivar(const char *key, const char *value, |
247e2f82 | 3609 | const char *value_pattern, unsigned flags) |
5ec31182 | 3610 | { |
fe187339 DS |
3611 | git_config_set_multivar_in_file(git_path("config"), |
3612 | key, value, value_pattern, | |
504ee129 | 3613 | flags); |
5ec31182 RR |
3614 | } |
3615 | ||
e91cfe60 | 3616 | static size_t section_name_match (const char *buf, const char *name) |
118f8b24 | 3617 | { |
e91cfe60 TB |
3618 | size_t i = 0, j = 0; |
3619 | int dot = 0; | |
a4c0d463 AV |
3620 | if (buf[i] != '[') |
3621 | return 0; | |
3622 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
3623 | if (!dot && isspace(buf[i])) { |
3624 | dot = 1; | |
3625 | if (name[j++] != '.') | |
3626 | break; | |
3627 | for (i++; isspace(buf[i]); i++) | |
3628 | ; /* do nothing */ | |
3629 | if (buf[i] != '"') | |
3630 | break; | |
3631 | continue; | |
3632 | } | |
3633 | if (buf[i] == '\\' && dot) | |
3634 | i++; | |
3635 | else if (buf[i] == '"' && dot) { | |
3636 | for (i++; isspace(buf[i]); i++) | |
3637 | ; /* do_nothing */ | |
3638 | break; | |
3639 | } | |
3640 | if (buf[i] != name[j++]) | |
3641 | break; | |
3642 | } | |
a4c0d463 AV |
3643 | if (buf[i] == ']' && name[j] == 0) { |
3644 | /* | |
3645 | * We match, now just find the right length offset by | |
3646 | * gobbling up any whitespace after it, as well | |
3647 | */ | |
3648 | i++; | |
3649 | for (; buf[i] && isspace(buf[i]); i++) | |
3650 | ; /* do nothing */ | |
3651 | return i; | |
3652 | } | |
3653 | return 0; | |
118f8b24 PB |
3654 | } |
3655 | ||
94a35b1a JK |
3656 | static int section_name_is_ok(const char *name) |
3657 | { | |
3658 | /* Empty section names are bogus. */ | |
3659 | if (!*name) | |
3660 | return 0; | |
3661 | ||
3662 | /* | |
3663 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
3664 | * anything goes, so we can stop checking. | |
3665 | */ | |
3666 | for (; *name && *name != '.'; name++) | |
3667 | if (*name != '-' && !isalnum(*name)) | |
3668 | return 0; | |
3669 | return 1; | |
3670 | } | |
3671 | ||
3bb3d6ba TB |
3672 | #define GIT_CONFIG_MAX_LINE_LEN (512 * 1024) |
3673 | ||
118f8b24 | 3674 | /* if new_name == NULL, the section is removed instead */ |
52d59cc6 | 3675 | static int git_config_copy_or_rename_section_in_file(const char *config_filename, |
fee8572c JS |
3676 | const char *old_name, |
3677 | const char *new_name, int copy) | |
0667fcfb | 3678 | { |
118f8b24 | 3679 | int ret = 0, remove = 0; |
42bd39b5 | 3680 | char *filename_buf = NULL; |
837e34eb | 3681 | struct lock_file lock = LOCK_INIT; |
0667fcfb | 3682 | int out_fd; |
a5bb10fd | 3683 | struct strbuf buf = STRBUF_INIT; |
4db7dbdb | 3684 | FILE *config_file = NULL; |
daa22c6f | 3685 | struct stat st; |
52d59cc6 | 3686 | struct strbuf copystr = STRBUF_INIT; |
fee8572c | 3687 | struct config_store_data store; |
3bb3d6ba | 3688 | uint32_t line_nr = 0; |
fee8572c JS |
3689 | |
3690 | memset(&store, 0, sizeof(store)); | |
0667fcfb | 3691 | |
94a35b1a | 3692 | if (new_name && !section_name_is_ok(new_name)) { |
a769bfc7 | 3693 | ret = error(_("invalid section name: %s"), new_name); |
c06fa62d | 3694 | goto out_no_rollback; |
94a35b1a JK |
3695 | } |
3696 | ||
42bd39b5 JK |
3697 | if (!config_filename) |
3698 | config_filename = filename_buf = git_pathdup("config"); | |
3699 | ||
837e34eb | 3700 | out_fd = hold_lock_file_for_update(&lock, config_filename, 0); |
fc1905bb | 3701 | if (out_fd < 0) { |
a769bfc7 | 3702 | ret = error(_("could not lock config file %s"), config_filename); |
fc1905bb JH |
3703 | goto out; |
3704 | } | |
0667fcfb | 3705 | |
fc1905bb | 3706 | if (!(config_file = fopen(config_filename, "rb"))) { |
11dc1fcb NTND |
3707 | ret = warn_on_fopen_errors(config_filename); |
3708 | if (ret) | |
3709 | goto out; | |
01ebb9dc | 3710 | /* no config file means nothing to rename, no error */ |
6e45b43f | 3711 | goto commit_and_out; |
fc1905bb | 3712 | } |
0667fcfb | 3713 | |
29647d79 NTND |
3714 | if (fstat(fileno(config_file), &st) == -1) { |
3715 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
3716 | goto out; | |
3717 | } | |
daa22c6f | 3718 | |
837e34eb | 3719 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 3720 | ret = error_errno(_("chmod on %s failed"), |
837e34eb | 3721 | get_lock_file_path(&lock)); |
daa22c6f EW |
3722 | goto out; |
3723 | } | |
3724 | ||
a5bb10fd | 3725 | while (!strbuf_getwholeline(&buf, config_file, '\n')) { |
e91cfe60 | 3726 | size_t i, length; |
52d59cc6 | 3727 | int is_section = 0; |
a5bb10fd | 3728 | char *output = buf.buf; |
3bb3d6ba TB |
3729 | |
3730 | line_nr++; | |
3731 | ||
3732 | if (buf.len >= GIT_CONFIG_MAX_LINE_LEN) { | |
3733 | ret = error(_("refusing to work with overly long line " | |
3734 | "in '%s' on line %"PRIuMAX), | |
3735 | config_filename, (uintmax_t)line_nr); | |
3736 | goto out; | |
3737 | } | |
3738 | ||
a5bb10fd | 3739 | for (i = 0; buf.buf[i] && isspace(buf.buf[i]); i++) |
0667fcfb | 3740 | ; /* do nothing */ |
a5bb10fd | 3741 | if (buf.buf[i] == '[') { |
0667fcfb | 3742 | /* it's a section */ |
e91cfe60 | 3743 | size_t offset; |
52d59cc6 SD |
3744 | is_section = 1; |
3745 | ||
3746 | /* | |
3747 | * When encountering a new section under -c we | |
3748 | * need to flush out any section we're already | |
3749 | * coping and begin anew. There might be | |
3750 | * multiple [branch "$name"] sections. | |
3751 | */ | |
3752 | if (copystr.len > 0) { | |
c5e3bc6e | 3753 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3754 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3755 | goto out; |
3756 | } | |
3757 | strbuf_reset(©str); | |
3758 | } | |
3759 | ||
a5bb10fd | 3760 | offset = section_name_match(&buf.buf[i], old_name); |
a4c0d463 | 3761 | if (offset > 0) { |
118f8b24 | 3762 | ret++; |
afe8a907 | 3763 | if (!new_name) { |
118f8b24 | 3764 | remove = 1; |
0667fcfb JS |
3765 | continue; |
3766 | } | |
0667fcfb | 3767 | store.baselen = strlen(new_name); |
52d59cc6 | 3768 | if (!copy) { |
fee8572c | 3769 | if (write_section(out_fd, new_name, &store) < 0) { |
0b646bca | 3770 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3771 | goto out; |
3772 | } | |
9a5abfc7 | 3773 | /* |
52d59cc6 SD |
3774 | * We wrote out the new section, with |
3775 | * a newline, now skip the old | |
3776 | * section's length | |
9a5abfc7 | 3777 | */ |
52d59cc6 SD |
3778 | output += offset + i; |
3779 | if (strlen(output) > 0) { | |
3780 | /* | |
3781 | * More content means there's | |
3782 | * a declaration to put on the | |
3783 | * next line; indent with a | |
3784 | * tab | |
3785 | */ | |
3786 | output -= 1; | |
3787 | output[0] = '\t'; | |
3788 | } | |
3789 | } else { | |
5e786ed3 | 3790 | strbuf_release(©str); |
fee8572c | 3791 | copystr = store_create_section(new_name, &store); |
9a5abfc7 | 3792 | } |
0667fcfb | 3793 | } |
118f8b24 | 3794 | remove = 0; |
0667fcfb | 3795 | } |
118f8b24 PB |
3796 | if (remove) |
3797 | continue; | |
9a5abfc7 | 3798 | length = strlen(output); |
52d59cc6 SD |
3799 | |
3800 | if (!is_section && copystr.len > 0) { | |
3801 | strbuf_add(©str, output, length); | |
3802 | } | |
3803 | ||
06f46f23 | 3804 | if (write_in_full(out_fd, output, length) < 0) { |
837e34eb | 3805 | ret = write_error(get_lock_file_path(&lock)); |
480c9e52 AW |
3806 | goto out; |
3807 | } | |
0667fcfb | 3808 | } |
52d59cc6 SD |
3809 | |
3810 | /* | |
3811 | * Copy a trailing section at the end of the config, won't be | |
3812 | * flushed by the usual "flush because we have a new section | |
3813 | * logic in the loop above. | |
3814 | */ | |
3815 | if (copystr.len > 0) { | |
c5e3bc6e | 3816 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3817 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3818 | goto out; |
3819 | } | |
3820 | strbuf_reset(©str); | |
3821 | } | |
3822 | ||
fc1905bb | 3823 | fclose(config_file); |
4db7dbdb | 3824 | config_file = NULL; |
6e45b43f | 3825 | commit_and_out: |
837e34eb | 3826 | if (commit_lock_file(&lock) < 0) |
a769bfc7 | 3827 | ret = error_errno(_("could not write config file %s"), |
f0658ec9 | 3828 | config_filename); |
8b590075 | 3829 | out: |
4db7dbdb JS |
3830 | if (config_file) |
3831 | fclose(config_file); | |
837e34eb | 3832 | rollback_lock_file(&lock); |
c06fa62d | 3833 | out_no_rollback: |
42bd39b5 | 3834 | free(filename_buf); |
2a00e594 | 3835 | config_store_data_clear(&store); |
a5bb10fd | 3836 | strbuf_release(&buf); |
003c1f11 | 3837 | strbuf_release(©str); |
0667fcfb JS |
3838 | return ret; |
3839 | } | |
40ea4ed9 | 3840 | |
52d59cc6 SD |
3841 | int git_config_rename_section_in_file(const char *config_filename, |
3842 | const char *old_name, const char *new_name) | |
3843 | { | |
3844 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3845 | old_name, new_name, 0); | |
3846 | } | |
3847 | ||
42bd39b5 JK |
3848 | int git_config_rename_section(const char *old_name, const char *new_name) |
3849 | { | |
4a7bb5ba | 3850 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
3851 | } |
3852 | ||
52d59cc6 SD |
3853 | int git_config_copy_section_in_file(const char *config_filename, |
3854 | const char *old_name, const char *new_name) | |
3855 | { | |
3856 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3857 | old_name, new_name, 1); | |
3858 | } | |
3859 | ||
3860 | int git_config_copy_section(const char *old_name, const char *new_name) | |
3861 | { | |
3862 | return git_config_copy_section_in_file(NULL, old_name, new_name); | |
3863 | } | |
3864 | ||
40ea4ed9 JH |
3865 | /* |
3866 | * Call this to report error for your variable that should not | |
3867 | * get a boolean value (i.e. "[my] var" means "true"). | |
3868 | */ | |
a469a101 | 3869 | #undef config_error_nonbool |
40ea4ed9 JH |
3870 | int config_error_nonbool(const char *var) |
3871 | { | |
a769bfc7 | 3872 | return error(_("missing value for '%s'"), var); |
40ea4ed9 | 3873 | } |
1b86bbb0 JK |
3874 | |
3875 | int parse_config_key(const char *var, | |
3876 | const char *section, | |
f5914f4b | 3877 | const char **subsection, size_t *subsection_len, |
1b86bbb0 JK |
3878 | const char **key) |
3879 | { | |
1b86bbb0 JK |
3880 | const char *dot; |
3881 | ||
3882 | /* Does it start with "section." ? */ | |
e3394fdc | 3883 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
3884 | return -1; |
3885 | ||
3886 | /* | |
3887 | * Find the key; we don't know yet if we have a subsection, but we must | |
3888 | * parse backwards from the end, since the subsection may have dots in | |
3889 | * it, too. | |
3890 | */ | |
3891 | dot = strrchr(var, '.'); | |
3892 | *key = dot + 1; | |
3893 | ||
3894 | /* Did we have a subsection at all? */ | |
e3394fdc | 3895 | if (dot == var) { |
48f8d9f7 JK |
3896 | if (subsection) { |
3897 | *subsection = NULL; | |
3898 | *subsection_len = 0; | |
3899 | } | |
1b86bbb0 JK |
3900 | } |
3901 | else { | |
48f8d9f7 JK |
3902 | if (!subsection) |
3903 | return -1; | |
e3394fdc | 3904 | *subsection = var + 1; |
1b86bbb0 JK |
3905 | *subsection_len = dot - *subsection; |
3906 | } | |
3907 | ||
3908 | return 0; | |
3909 | } | |
473166b9 | 3910 | |
6021e1d1 | 3911 | const char *config_origin_type_name(enum config_origin_type type) |
e2016508 | 3912 | { |
1b8132d9 VA |
3913 | switch (type) { |
3914 | case CONFIG_ORIGIN_BLOB: | |
3915 | return "blob"; | |
3916 | case CONFIG_ORIGIN_FILE: | |
3917 | return "file"; | |
3918 | case CONFIG_ORIGIN_STDIN: | |
3919 | return "standard input"; | |
3920 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
3921 | return "submodule-blob"; | |
3922 | case CONFIG_ORIGIN_CMDLINE: | |
3923 | return "command line"; | |
3924 | default: | |
033abf97 | 3925 | BUG("unknown config origin type"); |
1b8132d9 | 3926 | } |
473166b9 LS |
3927 | } |
3928 | ||
a5cb4204 MR |
3929 | const char *config_scope_name(enum config_scope scope) |
3930 | { | |
3931 | switch (scope) { | |
3932 | case CONFIG_SCOPE_SYSTEM: | |
3933 | return "system"; | |
3934 | case CONFIG_SCOPE_GLOBAL: | |
3935 | return "global"; | |
6dc905d9 MR |
3936 | case CONFIG_SCOPE_LOCAL: |
3937 | return "local"; | |
3938 | case CONFIG_SCOPE_WORKTREE: | |
3939 | return "worktree"; | |
6766e41b MR |
3940 | case CONFIG_SCOPE_COMMAND: |
3941 | return "command"; | |
9a83d088 MR |
3942 | case CONFIG_SCOPE_SUBMODULE: |
3943 | return "submodule"; | |
a5cb4204 MR |
3944 | default: |
3945 | return "unknown"; | |
3946 | } | |
3947 | } | |
3948 | ||
a73b3680 NTND |
3949 | int lookup_config(const char **mapping, int nr_mapping, const char *var) |
3950 | { | |
3951 | int i; | |
3952 | ||
3953 | for (i = 0; i < nr_mapping; i++) { | |
3954 | const char *name = mapping[i]; | |
3955 | ||
3956 | if (name && !strcasecmp(var, name)) | |
3957 | return i; | |
3958 | } | |
3959 | return -1; | |
3960 | } |