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Commit | Line | Data |
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10bea152 JS |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | * Copyright (C) Johannes Schindelin, 2005 | |
6 | * | |
7 | */ | |
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 | ||
806e2ad7 | 1804 | /* Add other config variables here and to Documentation/config.txt. */ |
a4e7e317 | 1805 | return platform_core_config(var, value, ctx, cb); |
806e2ad7 LT |
1806 | } |
1807 | ||
ecc7c884 EN |
1808 | static int git_default_sparse_config(const char *var, const char *value) |
1809 | { | |
1810 | if (!strcmp(var, "sparse.expectfilesoutsideofpatterns")) { | |
1811 | sparse_expect_files_outside_of_patterns = git_config_bool(var, value); | |
1812 | return 0; | |
1813 | } | |
1814 | ||
1815 | /* Add other config variables here and to Documentation/config/sparse.txt. */ | |
1816 | return 0; | |
1817 | } | |
1818 | ||
1141f492 | 1819 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1820 | { |
ea5105a5 CC |
1821 | if (!strcmp(var, "i18n.commitencoding")) |
1822 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1823 | |
ea5105a5 CC |
1824 | if (!strcmp(var, "i18n.logoutputencoding")) |
1825 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1826 | |
1141f492 LT |
1827 | /* Add other config variables here and to Documentation/config.txt. */ |
1828 | return 0; | |
1829 | } | |
039bc64e | 1830 | |
1141f492 LT |
1831 | static int git_default_branch_config(const char *var, const char *value) |
1832 | { | |
9ed36cfa | 1833 | if (!strcmp(var, "branch.autosetupmerge")) { |
44f14a9d | 1834 | if (value && !strcmp(value, "always")) { |
9ed36cfa JS |
1835 | git_branch_track = BRANCH_TRACK_ALWAYS; |
1836 | return 0; | |
d3115660 JS |
1837 | } else if (value && !strcmp(value, "inherit")) { |
1838 | git_branch_track = BRANCH_TRACK_INHERIT; | |
1839 | return 0; | |
bdaf1dfa TK |
1840 | } else if (value && !strcmp(value, "simple")) { |
1841 | git_branch_track = BRANCH_TRACK_SIMPLE; | |
1842 | return 0; | |
9ed36cfa JS |
1843 | } |
1844 | git_branch_track = git_config_bool(var, value); | |
1845 | return 0; | |
1846 | } | |
c998ae9b DS |
1847 | if (!strcmp(var, "branch.autosetuprebase")) { |
1848 | if (!value) | |
1849 | return config_error_nonbool(var); | |
1850 | else if (!strcmp(value, "never")) | |
1851 | autorebase = AUTOREBASE_NEVER; | |
1852 | else if (!strcmp(value, "local")) | |
1853 | autorebase = AUTOREBASE_LOCAL; | |
1854 | else if (!strcmp(value, "remote")) | |
1855 | autorebase = AUTOREBASE_REMOTE; | |
1856 | else if (!strcmp(value, "always")) | |
1857 | autorebase = AUTOREBASE_ALWAYS; | |
1858 | else | |
a769bfc7 | 1859 | return error(_("malformed value for %s"), var); |
c998ae9b DS |
1860 | return 0; |
1861 | } | |
a9cc857a | 1862 | |
1ab661dd | 1863 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1864 | return 0; |
1865 | } | |
1866 | ||
52153747 FAG |
1867 | static int git_default_push_config(const char *var, const char *value) |
1868 | { | |
1869 | if (!strcmp(var, "push.default")) { | |
1870 | if (!value) | |
1871 | return config_error_nonbool(var); | |
1872 | else if (!strcmp(value, "nothing")) | |
1873 | push_default = PUSH_DEFAULT_NOTHING; | |
1874 | else if (!strcmp(value, "matching")) | |
1875 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1876 | else if (!strcmp(value, "simple")) |
1877 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1878 | else if (!strcmp(value, "upstream")) |
1879 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1880 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1881 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1882 | else if (!strcmp(value, "current")) |
1883 | push_default = PUSH_DEFAULT_CURRENT; | |
1884 | else { | |
a769bfc7 NTND |
1885 | error(_("malformed value for %s: %s"), var, value); |
1886 | return error(_("must be one of nothing, matching, simple, " | |
1887 | "upstream or current")); | |
52153747 FAG |
1888 | } |
1889 | return 0; | |
1890 | } | |
1891 | ||
1892 | /* Add other config variables here and to Documentation/config.txt. */ | |
1893 | return 0; | |
1894 | } | |
1895 | ||
d551a488 MSO |
1896 | static int git_default_mailmap_config(const char *var, const char *value) |
1897 | { | |
1898 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1899 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1900 | if (!strcmp(var, "mailmap.blob")) |
1901 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1902 | |
1903 | /* Add other config variables here and to Documentation/config.txt. */ | |
1904 | return 0; | |
1905 | } | |
1906 | ||
a4e7e317 GC |
1907 | int git_default_config(const char *var, const char *value, |
1908 | const struct config_context *ctx, void *cb) | |
1141f492 | 1909 | { |
59556548 | 1910 | if (starts_with(var, "core.")) |
a4e7e317 | 1911 | return git_default_core_config(var, value, ctx, cb); |
1141f492 | 1912 | |
39ab4d09 WH |
1913 | if (starts_with(var, "user.") || |
1914 | starts_with(var, "author.") || | |
1915 | starts_with(var, "committer.")) | |
a4e7e317 | 1916 | return git_ident_config(var, value, ctx, cb); |
1141f492 | 1917 | |
59556548 | 1918 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1919 | return git_default_i18n_config(var, value); |
1920 | ||
59556548 | 1921 | if (starts_with(var, "branch.")) |
1141f492 LT |
1922 | return git_default_branch_config(var, value); |
1923 | ||
59556548 | 1924 | if (starts_with(var, "push.")) |
52153747 FAG |
1925 | return git_default_push_config(var, value); |
1926 | ||
59556548 | 1927 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1928 | return git_default_mailmap_config(var, value); |
1929 | ||
960786e7 | 1930 | if (starts_with(var, "advice.") || starts_with(var, "color.advice")) |
75194438 JK |
1931 | return git_default_advice_config(var, value); |
1932 | ||
1141f492 LT |
1933 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1934 | pager_use_color = git_config_bool(var,value); | |
1935 | return 0; | |
1936 | } | |
1937 | ||
568508e7 | 1938 | if (!strcmp(var, "pack.packsizelimit")) { |
8868b1eb | 1939 | pack_size_limit_cfg = git_config_ulong(var, value, ctx->kvi); |
568508e7 JH |
1940 | return 0; |
1941 | } | |
8de7eeb5 JH |
1942 | |
1943 | if (!strcmp(var, "pack.compression")) { | |
8868b1eb | 1944 | int level = git_config_int(var, value, ctx->kvi); |
8de7eeb5 JH |
1945 | if (level == -1) |
1946 | level = Z_DEFAULT_COMPRESSION; | |
1947 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1948 | die(_("bad pack compression level %d"), level); | |
1949 | pack_compression_level = level; | |
1950 | pack_compression_seen = 1; | |
1951 | return 0; | |
1952 | } | |
1953 | ||
ecc7c884 EN |
1954 | if (starts_with(var, "sparse.")) |
1955 | return git_default_sparse_config(var, value); | |
1956 | ||
1141f492 LT |
1957 | /* Add other config variables here and to Documentation/config.txt. */ |
1958 | return 0; | |
1959 | } | |
1960 | ||
ca4b5de2 | 1961 | /* |
b2dc0945 | 1962 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1963 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1964 | * this function. |
1965 | */ | |
6e8e7981 | 1966 | static int do_config_from(struct config_source *top, config_fn_t fn, |
809d8680 | 1967 | void *data, enum config_scope scope, |
8032cc44 | 1968 | const struct config_options *opts) |
ca4b5de2 | 1969 | { |
809d8680 | 1970 | struct key_value_info kvi = KVI_INIT; |
ca4b5de2 HV |
1971 | int ret; |
1972 | ||
1973 | /* push config-file parsing state stack */ | |
ca4b5de2 HV |
1974 | top->linenr = 1; |
1975 | top->eof = 0; | |
348482de | 1976 | top->total_len = 0; |
ca4b5de2 HV |
1977 | strbuf_init(&top->value, 1024); |
1978 | strbuf_init(&top->var, 1024); | |
809d8680 | 1979 | kvi_from_source(top, scope, &kvi); |
ca4b5de2 | 1980 | |
809d8680 | 1981 | ret = git_parse_source(top, fn, &kvi, data, opts); |
ca4b5de2 | 1982 | |
ca4b5de2 HV |
1983 | strbuf_release(&top->value); |
1984 | strbuf_release(&top->var); | |
ca4b5de2 HV |
1985 | |
1986 | return ret; | |
1987 | } | |
1988 | ||
6e8e7981 | 1989 | static int do_config_from_file(config_fn_t fn, |
0c602851 GC |
1990 | const enum config_origin_type origin_type, |
1991 | const char *name, const char *path, FILE *f, | |
809d8680 GC |
1992 | void *data, enum config_scope scope, |
1993 | const struct config_options *opts) | |
17712991 | 1994 | { |
c009bc89 | 1995 | struct config_source top = CONFIG_SOURCE_INIT; |
05e293c1 | 1996 | int ret; |
17712991 | 1997 | |
3caec73b | 1998 | top.u.file = f; |
473166b9 | 1999 | top.origin_type = origin_type; |
3caec73b KS |
2000 | top.name = name; |
2001 | top.path = path; | |
66f97228 | 2002 | top.default_error_action = CONFIG_ERROR_DIE; |
3caec73b KS |
2003 | top.do_fgetc = config_file_fgetc; |
2004 | top.do_ungetc = config_file_ungetc; | |
2005 | top.do_ftell = config_file_ftell; | |
924aaf3e | 2006 | |
05e293c1 | 2007 | flockfile(f); |
6e8e7981 | 2008 | ret = do_config_from(&top, fn, data, scope, opts); |
05e293c1 JK |
2009 | funlockfile(f); |
2010 | return ret; | |
3caec73b | 2011 | } |
924aaf3e | 2012 | |
809d8680 GC |
2013 | static int git_config_from_stdin(config_fn_t fn, void *data, |
2014 | enum config_scope scope) | |
3caec73b | 2015 | { |
6e8e7981 GC |
2016 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, |
2017 | data, scope, NULL); | |
3caec73b KS |
2018 | } |
2019 | ||
8032cc44 | 2020 | int git_config_from_file_with_options(config_fn_t fn, const char *filename, |
809d8680 | 2021 | void *data, enum config_scope scope, |
8032cc44 | 2022 | const struct config_options *opts) |
3caec73b KS |
2023 | { |
2024 | int ret = -1; | |
2025 | FILE *f; | |
924aaf3e | 2026 | |
776f1848 GC |
2027 | if (!filename) |
2028 | BUG("filename cannot be NULL"); | |
e9d983f1 | 2029 | f = fopen_or_warn(filename, "r"); |
3caec73b | 2030 | if (f) { |
6e8e7981 GC |
2031 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, |
2032 | filename, f, data, scope, opts); | |
17712991 LT |
2033 | fclose(f); |
2034 | } | |
2035 | return ret; | |
2036 | } | |
10bea152 | 2037 | |
8032cc44 JS |
2038 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) |
2039 | { | |
809d8680 GC |
2040 | return git_config_from_file_with_options(fn, filename, data, |
2041 | CONFIG_SCOPE_UNKNOWN, NULL); | |
8032cc44 JS |
2042 | } |
2043 | ||
4574f1aa JK |
2044 | int git_config_from_mem(config_fn_t fn, |
2045 | const enum config_origin_type origin_type, | |
2046 | const char *name, const char *buf, size_t len, | |
809d8680 GC |
2047 | void *data, enum config_scope scope, |
2048 | const struct config_options *opts) | |
1bc88819 | 2049 | { |
c009bc89 | 2050 | struct config_source top = CONFIG_SOURCE_INIT; |
1bc88819 HV |
2051 | |
2052 | top.u.buf.buf = buf; | |
2053 | top.u.buf.len = len; | |
2054 | top.u.buf.pos = 0; | |
473166b9 | 2055 | top.origin_type = origin_type; |
1bc88819 | 2056 | top.name = name; |
d14d4244 | 2057 | top.path = NULL; |
66f97228 | 2058 | top.default_error_action = CONFIG_ERROR_ERROR; |
49d6cfa5 JK |
2059 | top.do_fgetc = config_buf_fgetc; |
2060 | top.do_ungetc = config_buf_ungetc; | |
2061 | top.do_ftell = config_buf_ftell; | |
1bc88819 | 2062 | |
6e8e7981 | 2063 | return do_config_from(&top, fn, data, scope, opts); |
1bc88819 HV |
2064 | } |
2065 | ||
cd73de47 | 2066 | int git_config_from_blob_oid(config_fn_t fn, |
9ebf689a | 2067 | const char *name, |
e3e8bf04 | 2068 | struct repository *repo, |
cd73de47 | 2069 | const struct object_id *oid, |
809d8680 GC |
2070 | void *data, |
2071 | enum config_scope scope) | |
1bc88819 HV |
2072 | { |
2073 | enum object_type type; | |
2074 | char *buf; | |
2075 | unsigned long size; | |
2076 | int ret; | |
2077 | ||
e3e8bf04 | 2078 | buf = repo_read_object_file(repo, oid, &type, &size); |
1bc88819 | 2079 | if (!buf) |
a769bfc7 | 2080 | return error(_("unable to load config blob object '%s'"), name); |
1bc88819 HV |
2081 | if (type != OBJ_BLOB) { |
2082 | free(buf); | |
a769bfc7 | 2083 | return error(_("reference '%s' does not point to a blob"), name); |
1bc88819 HV |
2084 | } |
2085 | ||
4574f1aa | 2086 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, |
809d8680 | 2087 | data, scope, NULL); |
1bc88819 HV |
2088 | free(buf); |
2089 | ||
2090 | return ret; | |
2091 | } | |
2092 | ||
2093 | static int git_config_from_blob_ref(config_fn_t fn, | |
e3e8bf04 | 2094 | struct repository *repo, |
1bc88819 | 2095 | const char *name, |
809d8680 GC |
2096 | void *data, |
2097 | enum config_scope scope) | |
1bc88819 | 2098 | { |
cd73de47 | 2099 | struct object_id oid; |
1bc88819 | 2100 | |
e3e8bf04 | 2101 | if (repo_get_oid(repo, name, &oid) < 0) |
a769bfc7 | 2102 | return error(_("unable to resolve config blob '%s'"), name); |
809d8680 | 2103 | return git_config_from_blob_oid(fn, name, repo, &oid, data, scope); |
1bc88819 HV |
2104 | } |
2105 | ||
c62a999c | 2106 | char *git_system_config(void) |
506b17b1 | 2107 | { |
4179b489 | 2108 | char *system_config = xstrdup_or_null(getenv("GIT_CONFIG_SYSTEM")); |
e3553076 JS |
2109 | if (!system_config) |
2110 | system_config = system_path(ETC_GITCONFIG); | |
2111 | normalize_path_copy(system_config, system_config); | |
2112 | return system_config; | |
506b17b1 JS |
2113 | } |
2114 | ||
4179b489 | 2115 | void git_global_config(char **user_out, char **xdg_out) |
1e06eb9b | 2116 | { |
4179b489 PS |
2117 | char *user_config = xstrdup_or_null(getenv("GIT_CONFIG_GLOBAL")); |
2118 | char *xdg_config = NULL; | |
2119 | ||
2120 | if (!user_config) { | |
a03b097d | 2121 | user_config = interpolate_path("~/.gitconfig", 0); |
4179b489 PS |
2122 | xdg_config = xdg_config_home("config"); |
2123 | } | |
2124 | ||
2125 | *user_out = user_config; | |
2126 | *xdg_out = xdg_config; | |
506b17b1 JS |
2127 | } |
2128 | ||
23b0c478 SP |
2129 | /* |
2130 | * Parse environment variable 'k' as a boolean (in various | |
2131 | * possible spellings); if missing, use the default value 'def'. | |
2132 | */ | |
0ef37164 | 2133 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
2134 | { |
2135 | const char *v = getenv(k); | |
2136 | return v ? git_config_bool(k, v) : def; | |
2137 | } | |
2138 | ||
23b0c478 SP |
2139 | /* |
2140 | * Parse environment variable 'k' as ulong with possibly a unit | |
2141 | * suffix; if missing, use the default value 'val'. | |
2142 | */ | |
2143 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
2144 | { | |
2145 | const char *v = getenv(k); | |
2146 | if (v && !git_parse_ulong(v, &val)) | |
a769bfc7 | 2147 | die(_("failed to parse %s"), k); |
23b0c478 SP |
2148 | return val; |
2149 | } | |
2150 | ||
ab88c363 JK |
2151 | int git_config_system(void) |
2152 | { | |
2153 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
2154 | } | |
2155 | ||
6e8e7981 | 2156 | static int do_git_config_sequence(const struct config_options *opts, |
3867f6d6 | 2157 | const struct repository *repo, |
e145a0bc | 2158 | config_fn_t fn, void *data) |
4f629539 | 2159 | { |
c72ee44b | 2160 | int ret = 0; |
c62a999c | 2161 | char *system_config = git_system_config(); |
1e06eb9b PS |
2162 | char *xdg_config = NULL; |
2163 | char *user_config = NULL; | |
e145a0bc | 2164 | char *repo_config; |
847d0027 | 2165 | char *worktree_config; |
e145a0bc | 2166 | |
847d0027 VD |
2167 | /* |
2168 | * Ensure that either: | |
2169 | * - the git_dir and commondir are both set, or | |
2170 | * - the git_dir and commondir are both NULL | |
2171 | */ | |
2172 | if (!opts->git_dir != !opts->commondir) | |
2173 | BUG("only one of commondir and git_dir is non-NULL"); | |
2174 | ||
2175 | if (opts->commondir) { | |
a577fb5f | 2176 | repo_config = mkpathdup("%s/config", opts->commondir); |
847d0027 VD |
2177 | worktree_config = mkpathdup("%s/config.worktree", opts->git_dir); |
2178 | } else { | |
e145a0bc | 2179 | repo_config = NULL; |
847d0027 VD |
2180 | worktree_config = NULL; |
2181 | } | |
5f1a63e0 | 2182 | |
c62a999c PS |
2183 | if (git_config_system() && system_config && |
2184 | !access_or_die(system_config, R_OK, | |
2185 | opts->system_gently ? ACCESS_EACCES_OK : 0)) | |
809d8680 GC |
2186 | ret += git_config_from_file_with_options(fn, system_config, |
2187 | data, CONFIG_SCOPE_SYSTEM, | |
2188 | NULL); | |
5f1a63e0 | 2189 | |
1e06eb9b PS |
2190 | git_global_config(&user_config, &xdg_config); |
2191 | ||
c72ee44b | 2192 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
809d8680 GC |
2193 | ret += git_config_from_file_with_options(fn, xdg_config, data, |
2194 | CONFIG_SCOPE_GLOBAL, NULL); | |
21cf3227 | 2195 | |
c72ee44b | 2196 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
809d8680 GC |
2197 | ret += git_config_from_file_with_options(fn, user_config, data, |
2198 | CONFIG_SCOPE_GLOBAL, NULL); | |
5f1a63e0 | 2199 | |
800a7f99 JH |
2200 | if (!opts->ignore_repo && repo_config && |
2201 | !access_or_die(repo_config, R_OK, 0)) | |
809d8680 GC |
2202 | ret += git_config_from_file_with_options(fn, repo_config, data, |
2203 | CONFIG_SCOPE_LOCAL, NULL); | |
8b1fa778 | 2204 | |
847d0027 | 2205 | if (!opts->ignore_worktree && worktree_config && |
3867f6d6 | 2206 | repo && repo->repository_format_worktree_config && |
847d0027 | 2207 | !access_or_die(worktree_config, R_OK, 0)) { |
809d8680 GC |
2208 | ret += git_config_from_file_with_options(fn, worktree_config, data, |
2209 | CONFIG_SCOPE_WORKTREE, | |
2210 | NULL); | |
58b284a2 NTND |
2211 | } |
2212 | ||
800a7f99 | 2213 | if (!opts->ignore_cmdline && git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 2214 | die(_("unable to parse command-line config")); |
8b1fa778 | 2215 | |
c62a999c | 2216 | free(system_config); |
21cf3227 HKNN |
2217 | free(xdg_config); |
2218 | free(user_config); | |
80181868 | 2219 | free(repo_config); |
847d0027 | 2220 | free(worktree_config); |
c72ee44b | 2221 | return ret; |
4f629539 JH |
2222 | } |
2223 | ||
dc8441fd BW |
2224 | int config_with_options(config_fn_t fn, void *data, |
2225 | struct git_config_source *config_source, | |
9b6b06c1 | 2226 | struct repository *repo, |
dc8441fd | 2227 | const struct config_options *opts) |
dbdf5854 | 2228 | { |
9b25a0b5 | 2229 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
399b1984 | 2230 | int ret; |
9b25a0b5 | 2231 | |
c48f4b37 | 2232 | if (opts->respect_includes) { |
9b25a0b5 JK |
2233 | inc.fn = fn; |
2234 | inc.data = data; | |
c48f4b37 | 2235 | inc.opts = opts; |
9b6b06c1 | 2236 | inc.repo = repo; |
399b1984 | 2237 | inc.config_source = config_source; |
9b25a0b5 JK |
2238 | fn = git_config_include; |
2239 | data = &inc; | |
2240 | } | |
dbdf5854 | 2241 | |
c9b5e2a5 JK |
2242 | /* |
2243 | * If we have a specific filename, use it. Otherwise, follow the | |
2244 | * regular lookup sequence. | |
2245 | */ | |
e3e8bf04 | 2246 | if (config_source && config_source->use_stdin) { |
809d8680 | 2247 | ret = git_config_from_stdin(fn, data, config_source->scope); |
e3e8bf04 | 2248 | } else if (config_source && config_source->file) { |
809d8680 GC |
2249 | ret = git_config_from_file_with_options(fn, config_source->file, |
2250 | data, config_source->scope, | |
2251 | NULL); | |
e3e8bf04 | 2252 | } else if (config_source && config_source->blob) { |
399b1984 | 2253 | ret = git_config_from_blob_ref(fn, repo, config_source->blob, |
809d8680 | 2254 | data, config_source->scope); |
399b1984 | 2255 | } else { |
6e8e7981 | 2256 | ret = do_git_config_sequence(opts, repo, fn, data); |
e3e8bf04 | 2257 | } |
c9b5e2a5 | 2258 | |
399b1984 JT |
2259 | if (inc.remote_urls) { |
2260 | string_list_clear(inc.remote_urls, 0); | |
2261 | FREE_AND_NULL(inc.remote_urls); | |
2262 | } | |
2263 | return ret; | |
dbdf5854 NTND |
2264 | } |
2265 | ||
f6c213a0 | 2266 | static void configset_iter(struct config_set *set, config_fn_t fn, void *data) |
c9b5e2a5 | 2267 | { |
155ef25f TA |
2268 | int i, value_index; |
2269 | struct string_list *values; | |
2270 | struct config_set_element *entry; | |
9b4a6553 | 2271 | struct configset_list *list = &set->list; |
6021e1d1 | 2272 | struct config_context ctx = CONFIG_CONTEXT_INIT; |
155ef25f TA |
2273 | |
2274 | for (i = 0; i < list->nr; i++) { | |
2275 | entry = list->items[i].e; | |
2276 | value_index = list->items[i].value_index; | |
2277 | values = &entry->value_list; | |
0d44a2da | 2278 | |
6021e1d1 GC |
2279 | ctx.kvi = values->items[value_index].util; |
2280 | if (fn(entry->key, values->items[value_index].string, &ctx, data) < 0) | |
0d44a2da | 2281 | git_die_config_linenr(entry->key, |
6021e1d1 GC |
2282 | ctx.kvi->filename, |
2283 | ctx.kvi->linenr); | |
155ef25f TA |
2284 | } |
2285 | } | |
2286 | ||
0654aa57 JS |
2287 | void read_early_config(config_fn_t cb, void *data) |
2288 | { | |
c48f4b37 | 2289 | struct config_options opts = {0}; |
d3fb71b3 BW |
2290 | struct strbuf commondir = STRBUF_INIT; |
2291 | struct strbuf gitdir = STRBUF_INIT; | |
1a27409a | 2292 | |
c48f4b37 | 2293 | opts.respect_includes = 1; |
0654aa57 | 2294 | |
a577fb5f BW |
2295 | if (have_git_dir()) { |
2296 | opts.commondir = get_git_common_dir(); | |
2185fde5 | 2297 | opts.git_dir = get_git_dir(); |
0654aa57 | 2298 | /* |
1a27409a JS |
2299 | * When setup_git_directory() was not yet asked to discover the |
2300 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
2301 | * is any repository config we should use (but unlike | |
2302 | * setup_git_directory_gently(), no global state is changed, most | |
2303 | * notably, the current working directory is still the same after the | |
2304 | * call). | |
0654aa57 | 2305 | */ |
a577fb5f BW |
2306 | } else if (!discover_git_directory(&commondir, &gitdir)) { |
2307 | opts.commondir = commondir.buf; | |
d3fb71b3 | 2308 | opts.git_dir = gitdir.buf; |
a577fb5f | 2309 | } |
2185fde5 | 2310 | |
9b6b06c1 | 2311 | config_with_options(cb, data, NULL, NULL, &opts); |
0654aa57 | 2312 | |
d3fb71b3 BW |
2313 | strbuf_release(&commondir); |
2314 | strbuf_release(&gitdir); | |
0654aa57 JS |
2315 | } |
2316 | ||
800a7f99 JH |
2317 | /* |
2318 | * Read config but only enumerate system and global settings. | |
2319 | * Omit any repo-local, worktree-local, or command-line settings. | |
2320 | */ | |
2321 | void read_very_early_config(config_fn_t cb, void *data) | |
2322 | { | |
2323 | struct config_options opts = { 0 }; | |
2324 | ||
2325 | opts.respect_includes = 1; | |
2326 | opts.ignore_repo = 1; | |
2327 | opts.ignore_worktree = 1; | |
2328 | opts.ignore_cmdline = 1; | |
f672deec | 2329 | opts.system_gently = 1; |
800a7f99 | 2330 | |
9b6b06c1 | 2331 | config_with_options(cb, data, NULL, NULL, &opts); |
800a7f99 JH |
2332 | } |
2333 | ||
b83efcec | 2334 | RESULT_MUST_BE_USED |
06e9e726 | 2335 | static int configset_find_element(struct config_set *set, const char *key, |
b83efcec | 2336 | struct config_set_element **dest) |
3c8687a7 TA |
2337 | { |
2338 | struct config_set_element k; | |
2339 | struct config_set_element *found_entry; | |
2340 | char *normalized_key; | |
b83efcec ÆAB |
2341 | int ret; |
2342 | ||
3c8687a7 TA |
2343 | /* |
2344 | * `key` may come from the user, so normalize it before using it | |
2345 | * for querying entries from the hashmap. | |
2346 | */ | |
b83efcec ÆAB |
2347 | ret = git_config_parse_key(key, &normalized_key, NULL); |
2348 | if (ret) | |
2349 | return ret; | |
3c8687a7 | 2350 | |
d22245a2 | 2351 | hashmap_entry_init(&k.ent, strhash(normalized_key)); |
3c8687a7 | 2352 | k.key = normalized_key; |
9b4a6553 | 2353 | found_entry = hashmap_get_entry(&set->config_hash, &k, ent, NULL); |
3c8687a7 | 2354 | free(normalized_key); |
b83efcec ÆAB |
2355 | *dest = found_entry; |
2356 | return 0; | |
3c8687a7 TA |
2357 | } |
2358 | ||
26b66932 | 2359 | static int configset_add_value(const struct key_value_info *kvi_p, |
9b4a6553 | 2360 | struct config_set *set, const char *key, |
a798a56c | 2361 | const char *value) |
3c8687a7 TA |
2362 | { |
2363 | struct config_set_element *e; | |
3df8fd62 | 2364 | struct string_list_item *si; |
155ef25f | 2365 | struct configset_list_item *l_item; |
3df8fd62 | 2366 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
b83efcec | 2367 | int ret; |
3df8fd62 | 2368 | |
06e9e726 | 2369 | ret = configset_find_element(set, key, &e); |
b83efcec ÆAB |
2370 | if (ret) |
2371 | return ret; | |
3c8687a7 TA |
2372 | /* |
2373 | * Since the keys are being fed by git_config*() callback mechanism, they | |
2374 | * are already normalized. So simply add them without any further munging. | |
2375 | */ | |
2376 | if (!e) { | |
2377 | e = xmalloc(sizeof(*e)); | |
d22245a2 | 2378 | hashmap_entry_init(&e->ent, strhash(key)); |
3c8687a7 | 2379 | e->key = xstrdup(key); |
bc40dfb1 | 2380 | string_list_init_dup(&e->value_list); |
9b4a6553 | 2381 | hashmap_add(&set->config_hash, &e->ent); |
3c8687a7 | 2382 | } |
8c53f071 | 2383 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f | 2384 | |
9b4a6553 GC |
2385 | ALLOC_GROW(set->list.items, set->list.nr + 1, set->list.alloc); |
2386 | l_item = &set->list.items[set->list.nr++]; | |
155ef25f TA |
2387 | l_item->e = e; |
2388 | l_item->value_index = e->value_list.nr - 1; | |
2389 | ||
f6c213a0 | 2390 | *kv_info = *kvi_p; |
3df8fd62 | 2391 | si->util = kv_info; |
3c8687a7 TA |
2392 | |
2393 | return 0; | |
2394 | } | |
2395 | ||
5cf88fd8 | 2396 | static int config_set_element_cmp(const void *cmp_data UNUSED, |
939af16e EW |
2397 | const struct hashmap_entry *eptr, |
2398 | const struct hashmap_entry *entry_or_key, | |
5cf88fd8 | 2399 | const void *keydata UNUSED) |
3c8687a7 | 2400 | { |
939af16e EW |
2401 | const struct config_set_element *e1, *e2; |
2402 | ||
2403 | e1 = container_of(eptr, const struct config_set_element, ent); | |
2404 | e2 = container_of(entry_or_key, const struct config_set_element, ent); | |
77bdc097 | 2405 | |
3c8687a7 TA |
2406 | return strcmp(e1->key, e2->key); |
2407 | } | |
2408 | ||
9b4a6553 | 2409 | void git_configset_init(struct config_set *set) |
3c8687a7 | 2410 | { |
9b4a6553 GC |
2411 | hashmap_init(&set->config_hash, config_set_element_cmp, NULL, 0); |
2412 | set->hash_initialized = 1; | |
2413 | set->list.nr = 0; | |
2414 | set->list.alloc = 0; | |
2415 | set->list.items = NULL; | |
3c8687a7 TA |
2416 | } |
2417 | ||
9b4a6553 | 2418 | void git_configset_clear(struct config_set *set) |
3c8687a7 TA |
2419 | { |
2420 | struct config_set_element *entry; | |
2421 | struct hashmap_iter iter; | |
9b4a6553 | 2422 | if (!set->hash_initialized) |
3c8687a7 TA |
2423 | return; |
2424 | ||
9b4a6553 | 2425 | hashmap_for_each_entry(&set->config_hash, &iter, entry, |
87571c3f | 2426 | ent /* member name */) { |
3c8687a7 | 2427 | free(entry->key); |
3df8fd62 | 2428 | string_list_clear(&entry->value_list, 1); |
3c8687a7 | 2429 | } |
9b4a6553 GC |
2430 | hashmap_clear_and_free(&set->config_hash, struct config_set_element, ent); |
2431 | set->hash_initialized = 0; | |
2432 | free(set->list.items); | |
2433 | set->list.nr = 0; | |
2434 | set->list.alloc = 0; | |
2435 | set->list.items = NULL; | |
3c8687a7 TA |
2436 | } |
2437 | ||
a4e7e317 | 2438 | static int config_set_callback(const char *key, const char *value, |
26b66932 | 2439 | const struct config_context *ctx, |
a4e7e317 | 2440 | void *cb) |
3c8687a7 | 2441 | { |
f6c213a0 GC |
2442 | struct config_set *set = cb; |
2443 | configset_add_value(ctx->kvi, set, key, value); | |
3c8687a7 TA |
2444 | return 0; |
2445 | } | |
2446 | ||
9b4a6553 | 2447 | int git_configset_add_file(struct config_set *set, const char *filename) |
3c8687a7 | 2448 | { |
f6c213a0 | 2449 | return git_config_from_file(config_set_callback, filename, set); |
3c8687a7 TA |
2450 | } |
2451 | ||
8868b1eb GC |
2452 | int git_configset_get_value(struct config_set *set, const char *key, |
2453 | const char **value, struct key_value_info *kvi) | |
3c8687a7 TA |
2454 | { |
2455 | const struct string_list *values = NULL; | |
a4286193 | 2456 | int ret; |
8868b1eb | 2457 | struct string_list_item item; |
3c8687a7 TA |
2458 | /* |
2459 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
2460 | * queried key in the files of the configset, the value returned will be the last | |
2461 | * value in the value list for that key. | |
2462 | */ | |
06e9e726 | 2463 | if ((ret = git_configset_get_value_multi(set, key, &values))) |
a4286193 | 2464 | return ret; |
3c8687a7 | 2465 | |
3c8687a7 | 2466 | assert(values->nr > 0); |
8868b1eb GC |
2467 | item = values->items[values->nr - 1]; |
2468 | *value = item.string; | |
2469 | if (kvi) | |
2470 | *kvi = *((struct key_value_info *)item.util); | |
3c8687a7 TA |
2471 | return 0; |
2472 | } | |
2473 | ||
06e9e726 | 2474 | int git_configset_get_value_multi(struct config_set *set, const char *key, |
a4286193 | 2475 | const struct string_list **dest) |
3c8687a7 | 2476 | { |
b83efcec | 2477 | struct config_set_element *e; |
a4286193 | 2478 | int ret; |
b83efcec | 2479 | |
06e9e726 | 2480 | if ((ret = configset_find_element(set, key, &e))) |
a4286193 | 2481 | return ret; |
b83efcec | 2482 | else if (!e) |
a4286193 ÆAB |
2483 | return 1; |
2484 | *dest = &e->value_list; | |
2485 | ||
2486 | return 0; | |
b83efcec ÆAB |
2487 | } |
2488 | ||
9e2d884d ÆAB |
2489 | static int check_multi_string(struct string_list_item *item, void *util) |
2490 | { | |
2491 | return item->string ? 0 : config_error_nonbool(util); | |
2492 | } | |
2493 | ||
2494 | int git_configset_get_string_multi(struct config_set *cs, const char *key, | |
2495 | const struct string_list **dest) | |
2496 | { | |
2497 | int ret; | |
2498 | ||
2499 | if ((ret = git_configset_get_value_multi(cs, key, dest))) | |
2500 | return ret; | |
2501 | if ((ret = for_each_string_list((struct string_list *)*dest, | |
2502 | check_multi_string, (void *)key))) | |
2503 | return ret; | |
2504 | ||
2505 | return 0; | |
2506 | } | |
2507 | ||
06e9e726 | 2508 | int git_configset_get(struct config_set *set, const char *key) |
3c8687a7 | 2509 | { |
b83efcec ÆAB |
2510 | struct config_set_element *e; |
2511 | int ret; | |
2512 | ||
06e9e726 | 2513 | if ((ret = configset_find_element(set, key, &e))) |
b83efcec ÆAB |
2514 | return ret; |
2515 | else if (!e) | |
2516 | return 1; | |
2517 | return 0; | |
3c8687a7 TA |
2518 | } |
2519 | ||
9b4a6553 | 2520 | int git_configset_get_string(struct config_set *set, const char *key, char **dest) |
3c8687a7 TA |
2521 | { |
2522 | const char *value; | |
8868b1eb | 2523 | if (!git_configset_get_value(set, key, &value, NULL)) |
9a53219f | 2524 | return git_config_string((const char **)dest, key, value); |
3c8687a7 TA |
2525 | else |
2526 | return 1; | |
2527 | } | |
2528 | ||
9b4a6553 | 2529 | static int git_configset_get_string_tmp(struct config_set *set, const char *key, |
3ce11382 | 2530 | const char **dest) |
3c8687a7 | 2531 | { |
f1de981e | 2532 | const char *value; |
8868b1eb | 2533 | if (!git_configset_get_value(set, key, &value, NULL)) { |
f1de981e JK |
2534 | if (!value) |
2535 | return config_error_nonbool(key); | |
2536 | *dest = value; | |
2537 | return 0; | |
2538 | } else { | |
2539 | return 1; | |
2540 | } | |
3c8687a7 TA |
2541 | } |
2542 | ||
9b4a6553 | 2543 | int git_configset_get_int(struct config_set *set, const char *key, int *dest) |
3c8687a7 TA |
2544 | { |
2545 | const char *value; | |
8868b1eb GC |
2546 | struct key_value_info kvi; |
2547 | ||
2548 | if (!git_configset_get_value(set, key, &value, &kvi)) { | |
2549 | *dest = git_config_int(key, value, &kvi); | |
3c8687a7 TA |
2550 | return 0; |
2551 | } else | |
2552 | return 1; | |
2553 | } | |
2554 | ||
9b4a6553 | 2555 | int git_configset_get_ulong(struct config_set *set, const char *key, unsigned long *dest) |
3c8687a7 TA |
2556 | { |
2557 | const char *value; | |
8868b1eb GC |
2558 | struct key_value_info kvi; |
2559 | ||
2560 | if (!git_configset_get_value(set, key, &value, &kvi)) { | |
2561 | *dest = git_config_ulong(key, value, &kvi); | |
3c8687a7 TA |
2562 | return 0; |
2563 | } else | |
2564 | return 1; | |
2565 | } | |
2566 | ||
9b4a6553 | 2567 | int git_configset_get_bool(struct config_set *set, const char *key, int *dest) |
3c8687a7 TA |
2568 | { |
2569 | const char *value; | |
8868b1eb | 2570 | if (!git_configset_get_value(set, key, &value, NULL)) { |
3c8687a7 TA |
2571 | *dest = git_config_bool(key, value); |
2572 | return 0; | |
2573 | } else | |
2574 | return 1; | |
2575 | } | |
2576 | ||
9b4a6553 | 2577 | int git_configset_get_bool_or_int(struct config_set *set, const char *key, |
3c8687a7 TA |
2578 | int *is_bool, int *dest) |
2579 | { | |
2580 | const char *value; | |
8868b1eb GC |
2581 | struct key_value_info kvi; |
2582 | ||
2583 | if (!git_configset_get_value(set, key, &value, &kvi)) { | |
2584 | *dest = git_config_bool_or_int(key, value, &kvi, is_bool); | |
3c8687a7 TA |
2585 | return 0; |
2586 | } else | |
2587 | return 1; | |
2588 | } | |
2589 | ||
9b4a6553 | 2590 | int git_configset_get_maybe_bool(struct config_set *set, const char *key, int *dest) |
3c8687a7 TA |
2591 | { |
2592 | const char *value; | |
8868b1eb | 2593 | if (!git_configset_get_value(set, key, &value, NULL)) { |
89576613 | 2594 | *dest = git_parse_maybe_bool(value); |
3c8687a7 TA |
2595 | if (*dest == -1) |
2596 | return -1; | |
2597 | return 0; | |
2598 | } else | |
2599 | return 1; | |
2600 | } | |
2601 | ||
9b4a6553 | 2602 | int git_configset_get_pathname(struct config_set *set, const char *key, const char **dest) |
3c8687a7 TA |
2603 | { |
2604 | const char *value; | |
8868b1eb | 2605 | if (!git_configset_get_value(set, key, &value, NULL)) |
3c8687a7 TA |
2606 | return git_config_pathname(dest, key, value); |
2607 | else | |
2608 | return 1; | |
2609 | } | |
2610 | ||
3b256228 BW |
2611 | /* Functions use to read configuration from a repository */ |
2612 | static void repo_read_config(struct repository *repo) | |
3c8687a7 | 2613 | { |
1703751f | 2614 | struct config_options opts = { 0 }; |
3b256228 BW |
2615 | |
2616 | opts.respect_includes = 1; | |
2617 | opts.commondir = repo->commondir; | |
2618 | opts.git_dir = repo->gitdir; | |
2619 | ||
2620 | if (!repo->config) | |
ca56dadb | 2621 | CALLOC_ARRAY(repo->config, 1); |
3b256228 BW |
2622 | else |
2623 | git_configset_clear(repo->config); | |
2624 | ||
2625 | git_configset_init(repo->config); | |
f6c213a0 GC |
2626 | if (config_with_options(config_set_callback, repo->config, NULL, |
2627 | repo, &opts) < 0) | |
3b256228 BW |
2628 | /* |
2629 | * config_with_options() normally returns only | |
2630 | * zero, as most errors are fatal, and | |
2631 | * non-fatal potential errors are guarded by "if" | |
2632 | * statements that are entered only when no error is | |
2633 | * possible. | |
2634 | * | |
2635 | * If we ever encounter a non-fatal error, it means | |
2636 | * something went really wrong and we should stop | |
2637 | * immediately. | |
2638 | */ | |
2639 | die(_("unknown error occurred while reading the configuration files")); | |
2640 | } | |
2641 | ||
2642 | static void git_config_check_init(struct repository *repo) | |
2643 | { | |
2644 | if (repo->config && repo->config->hash_initialized) | |
3c8687a7 | 2645 | return; |
3b256228 | 2646 | repo_read_config(repo); |
3c8687a7 TA |
2647 | } |
2648 | ||
3b256228 | 2649 | static void repo_config_clear(struct repository *repo) |
3c8687a7 | 2650 | { |
3b256228 | 2651 | if (!repo->config || !repo->config->hash_initialized) |
3c8687a7 | 2652 | return; |
3b256228 | 2653 | git_configset_clear(repo->config); |
3c8687a7 TA |
2654 | } |
2655 | ||
3b256228 | 2656 | void repo_config(struct repository *repo, config_fn_t fn, void *data) |
3c8687a7 | 2657 | { |
3b256228 | 2658 | git_config_check_init(repo); |
f6c213a0 | 2659 | configset_iter(repo->config, fn, data); |
3c8687a7 TA |
2660 | } |
2661 | ||
b83efcec ÆAB |
2662 | int repo_config_get(struct repository *repo, const char *key) |
2663 | { | |
2664 | git_config_check_init(repo); | |
2665 | return git_configset_get(repo->config, key); | |
2666 | } | |
2667 | ||
3b256228 BW |
2668 | int repo_config_get_value(struct repository *repo, |
2669 | const char *key, const char **value) | |
3c8687a7 | 2670 | { |
3b256228 | 2671 | git_config_check_init(repo); |
8868b1eb | 2672 | return git_configset_get_value(repo->config, key, value, NULL); |
3c8687a7 TA |
2673 | } |
2674 | ||
a4286193 ÆAB |
2675 | int repo_config_get_value_multi(struct repository *repo, const char *key, |
2676 | const struct string_list **dest) | |
3b256228 BW |
2677 | { |
2678 | git_config_check_init(repo); | |
a4286193 | 2679 | return git_configset_get_value_multi(repo->config, key, dest); |
3b256228 BW |
2680 | } |
2681 | ||
9e2d884d ÆAB |
2682 | int repo_config_get_string_multi(struct repository *repo, const char *key, |
2683 | const struct string_list **dest) | |
3b256228 BW |
2684 | { |
2685 | git_config_check_init(repo); | |
9e2d884d | 2686 | return git_configset_get_string_multi(repo->config, key, dest); |
3b256228 BW |
2687 | } |
2688 | ||
9a53219f JK |
2689 | int repo_config_get_string(struct repository *repo, |
2690 | const char *key, char **dest) | |
3b256228 BW |
2691 | { |
2692 | int ret; | |
2693 | git_config_check_init(repo); | |
9a53219f | 2694 | ret = git_configset_get_string(repo->config, key, dest); |
3b256228 BW |
2695 | if (ret < 0) |
2696 | git_die_config(key, NULL); | |
2697 | return ret; | |
2698 | } | |
2699 | ||
f1de981e JK |
2700 | int repo_config_get_string_tmp(struct repository *repo, |
2701 | const char *key, const char **dest) | |
3b256228 | 2702 | { |
f1de981e | 2703 | int ret; |
3b256228 | 2704 | git_config_check_init(repo); |
f1de981e JK |
2705 | ret = git_configset_get_string_tmp(repo->config, key, dest); |
2706 | if (ret < 0) | |
2707 | git_die_config(key, NULL); | |
2708 | return ret; | |
3b256228 BW |
2709 | } |
2710 | ||
2711 | int repo_config_get_int(struct repository *repo, | |
2712 | const char *key, int *dest) | |
2713 | { | |
2714 | git_config_check_init(repo); | |
2715 | return git_configset_get_int(repo->config, key, dest); | |
2716 | } | |
2717 | ||
2718 | int repo_config_get_ulong(struct repository *repo, | |
2719 | const char *key, unsigned long *dest) | |
2720 | { | |
2721 | git_config_check_init(repo); | |
2722 | return git_configset_get_ulong(repo->config, key, dest); | |
2723 | } | |
2724 | ||
2725 | int repo_config_get_bool(struct repository *repo, | |
2726 | const char *key, int *dest) | |
2727 | { | |
2728 | git_config_check_init(repo); | |
2729 | return git_configset_get_bool(repo->config, key, dest); | |
2730 | } | |
2731 | ||
2732 | int repo_config_get_bool_or_int(struct repository *repo, | |
2733 | const char *key, int *is_bool, int *dest) | |
2734 | { | |
2735 | git_config_check_init(repo); | |
2736 | return git_configset_get_bool_or_int(repo->config, key, is_bool, dest); | |
2737 | } | |
2738 | ||
2739 | int repo_config_get_maybe_bool(struct repository *repo, | |
2740 | const char *key, int *dest) | |
2741 | { | |
2742 | git_config_check_init(repo); | |
2743 | return git_configset_get_maybe_bool(repo->config, key, dest); | |
2744 | } | |
2745 | ||
2746 | int repo_config_get_pathname(struct repository *repo, | |
2747 | const char *key, const char **dest) | |
3c8687a7 | 2748 | { |
5a80e97c | 2749 | int ret; |
3b256228 BW |
2750 | git_config_check_init(repo); |
2751 | ret = git_configset_get_pathname(repo->config, key, dest); | |
5a80e97c TA |
2752 | if (ret < 0) |
2753 | git_die_config(key, NULL); | |
2754 | return ret; | |
3c8687a7 TA |
2755 | } |
2756 | ||
5b3c6507 GC |
2757 | /* Read values into protected_config. */ |
2758 | static void read_protected_config(void) | |
2759 | { | |
ecec57b3 GC |
2760 | struct config_options opts = { |
2761 | .respect_includes = 1, | |
2762 | .ignore_repo = 1, | |
2763 | .ignore_worktree = 1, | |
2764 | .system_gently = 1, | |
2765 | }; | |
a798a56c | 2766 | |
5b3c6507 | 2767 | git_configset_init(&protected_config); |
f6c213a0 GC |
2768 | config_with_options(config_set_callback, &protected_config, NULL, |
2769 | NULL, &opts); | |
5b3c6507 GC |
2770 | } |
2771 | ||
2772 | void git_protected_config(config_fn_t fn, void *data) | |
2773 | { | |
2774 | if (!protected_config.hash_initialized) | |
2775 | read_protected_config(); | |
f6c213a0 | 2776 | configset_iter(&protected_config, fn, data); |
5b3c6507 GC |
2777 | } |
2778 | ||
3b256228 BW |
2779 | /* Functions used historically to read configuration from 'the_repository' */ |
2780 | void git_config(config_fn_t fn, void *data) | |
2781 | { | |
2782 | repo_config(the_repository, fn, data); | |
2783 | } | |
2784 | ||
2785 | void git_config_clear(void) | |
2786 | { | |
2787 | repo_config_clear(the_repository); | |
2788 | } | |
2789 | ||
b83efcec ÆAB |
2790 | int git_config_get(const char *key) |
2791 | { | |
2792 | return repo_config_get(the_repository, key); | |
2793 | } | |
2794 | ||
3b256228 BW |
2795 | int git_config_get_value(const char *key, const char **value) |
2796 | { | |
2797 | return repo_config_get_value(the_repository, key, value); | |
2798 | } | |
2799 | ||
a4286193 | 2800 | int git_config_get_value_multi(const char *key, const struct string_list **dest) |
3b256228 | 2801 | { |
a4286193 | 2802 | return repo_config_get_value_multi(the_repository, key, dest); |
3b256228 BW |
2803 | } |
2804 | ||
9e2d884d ÆAB |
2805 | int git_config_get_string_multi(const char *key, |
2806 | const struct string_list **dest) | |
3b256228 | 2807 | { |
9e2d884d | 2808 | return repo_config_get_string_multi(the_repository, key, dest); |
3b256228 BW |
2809 | } |
2810 | ||
3c8687a7 | 2811 | int git_config_get_string(const char *key, char **dest) |
3b256228 | 2812 | { |
3b256228 | 2813 | return repo_config_get_string(the_repository, key, dest); |
3b256228 BW |
2814 | } |
2815 | ||
f1de981e | 2816 | int git_config_get_string_tmp(const char *key, const char **dest) |
3c8687a7 | 2817 | { |
f1de981e | 2818 | return repo_config_get_string_tmp(the_repository, key, dest); |
3c8687a7 TA |
2819 | } |
2820 | ||
2821 | int git_config_get_int(const char *key, int *dest) | |
2822 | { | |
3b256228 | 2823 | return repo_config_get_int(the_repository, key, dest); |
3c8687a7 TA |
2824 | } |
2825 | ||
2826 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
2827 | { | |
3b256228 | 2828 | return repo_config_get_ulong(the_repository, key, dest); |
3c8687a7 TA |
2829 | } |
2830 | ||
2831 | int git_config_get_bool(const char *key, int *dest) | |
2832 | { | |
3b256228 | 2833 | return repo_config_get_bool(the_repository, key, dest); |
3c8687a7 TA |
2834 | } |
2835 | ||
2836 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
2837 | { | |
3b256228 | 2838 | return repo_config_get_bool_or_int(the_repository, key, is_bool, dest); |
3c8687a7 TA |
2839 | } |
2840 | ||
2841 | int git_config_get_maybe_bool(const char *key, int *dest) | |
2842 | { | |
3b256228 | 2843 | return repo_config_get_maybe_bool(the_repository, key, dest); |
3c8687a7 TA |
2844 | } |
2845 | ||
2846 | int git_config_get_pathname(const char *key, const char **dest) | |
2847 | { | |
3b256228 | 2848 | return repo_config_get_pathname(the_repository, key, dest); |
5a80e97c TA |
2849 | } |
2850 | ||
77d67977 CC |
2851 | int git_config_get_expiry(const char *key, const char **output) |
2852 | { | |
9a53219f | 2853 | int ret = git_config_get_string(key, (char **)output); |
77d67977 CC |
2854 | if (ret) |
2855 | return ret; | |
2856 | if (strcmp(*output, "now")) { | |
dddbad72 | 2857 | timestamp_t now = approxidate("now"); |
77d67977 CC |
2858 | if (approxidate(*output) >= now) |
2859 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
2860 | } | |
2861 | return ret; | |
2862 | } | |
2863 | ||
6e96cb52 JH |
2864 | int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now) |
2865 | { | |
1c890016 | 2866 | const char *expiry_string; |
6e96cb52 JH |
2867 | intmax_t days; |
2868 | timestamp_t when; | |
2869 | ||
1c890016 | 2870 | if (git_config_get_string_tmp(key, &expiry_string)) |
6e96cb52 JH |
2871 | return 1; /* no such thing */ |
2872 | ||
2873 | if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) { | |
2874 | const int scale = 86400; | |
2875 | *expiry = now - days * scale; | |
2876 | return 0; | |
2877 | } | |
2878 | ||
2879 | if (!parse_expiry_date(expiry_string, &when)) { | |
2880 | *expiry = when; | |
2881 | return 0; | |
2882 | } | |
2883 | return -1; /* thing exists but cannot be parsed */ | |
2884 | } | |
2885 | ||
1f44b09b CC |
2886 | int git_config_get_split_index(void) |
2887 | { | |
2888 | int val; | |
2889 | ||
2890 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
2891 | return val; | |
2892 | ||
2893 | return -1; /* default value */ | |
2894 | } | |
2895 | ||
72dcb7b3 CC |
2896 | int git_config_get_max_percent_split_change(void) |
2897 | { | |
2898 | int val = -1; | |
2899 | ||
2900 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
2901 | if (0 <= val && val <= 100) | |
2902 | return val; | |
2903 | ||
2904 | return error(_("splitIndex.maxPercentChange value '%d' " | |
2905 | "should be between 0 and 100"), val); | |
2906 | } | |
2907 | ||
2908 | return -1; /* default value */ | |
2909 | } | |
2910 | ||
2a9dedef | 2911 | int git_config_get_index_threads(int *dest) |
c780b9cf | 2912 | { |
2a9dedef | 2913 | int is_bool, val; |
c780b9cf BP |
2914 | |
2915 | val = git_env_ulong("GIT_TEST_INDEX_THREADS", 0); | |
2a9dedef JN |
2916 | if (val) { |
2917 | *dest = val; | |
2918 | return 0; | |
2919 | } | |
c780b9cf BP |
2920 | |
2921 | if (!git_config_get_bool_or_int("index.threads", &is_bool, &val)) { | |
2922 | if (is_bool) | |
2a9dedef | 2923 | *dest = val ? 0 : 1; |
c780b9cf | 2924 | else |
2a9dedef JN |
2925 | *dest = val; |
2926 | return 0; | |
c780b9cf BP |
2927 | } |
2928 | ||
2a9dedef | 2929 | return 1; |
c780b9cf BP |
2930 | } |
2931 | ||
5a80e97c TA |
2932 | NORETURN |
2933 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
2934 | { | |
2935 | if (!filename) | |
2936 | die(_("unable to parse '%s' from command-line config"), key); | |
2937 | else | |
2938 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
2939 | key, filename, linenr); | |
2940 | } | |
2941 | ||
2942 | NORETURN __attribute__((format(printf, 2, 3))) | |
2943 | void git_die_config(const char *key, const char *err, ...) | |
2944 | { | |
2945 | const struct string_list *values; | |
2946 | struct key_value_info *kv_info; | |
f5c39c32 | 2947 | report_fn error_fn = get_error_routine(); |
5a80e97c TA |
2948 | |
2949 | if (err) { | |
2950 | va_list params; | |
2951 | va_start(params, err); | |
f5c39c32 | 2952 | error_fn(err, params); |
5a80e97c TA |
2953 | va_end(params); |
2954 | } | |
a4286193 ÆAB |
2955 | if (git_config_get_value_multi(key, &values)) |
2956 | BUG("for key '%s' we must have a value to report on", key); | |
5a80e97c TA |
2957 | kv_info = values->items[values->nr - 1].util; |
2958 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
2959 | } |
2960 | ||
10bea152 JS |
2961 | /* |
2962 | * Find all the stuff for git_config_set() below. | |
2963 | */ | |
4ddba79d | 2964 | |
fee8572c | 2965 | struct config_store_data { |
f011a965 | 2966 | size_t baselen; |
4b25d091 | 2967 | char *key; |
f98d863d | 2968 | int do_not_match; |
c90702a1 | 2969 | const char *fixed_value; |
247e2f82 | 2970 | regex_t *value_pattern; |
4ddba79d | 2971 | int multi_replace; |
6ae996f2 JS |
2972 | struct { |
2973 | size_t begin, end; | |
2974 | enum config_event_t type; | |
22aedfcc | 2975 | int is_keys_section; |
6ae996f2 JS |
2976 | } *parsed; |
2977 | unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc; | |
5221c315 | 2978 | unsigned int key_seen:1, section_seen:1, is_keys_section:1; |
fee8572c | 2979 | }; |
a798a56c | 2980 | #define CONFIG_STORE_INIT { 0 } |
10bea152 | 2981 | |
2a00e594 MÅ |
2982 | static void config_store_data_clear(struct config_store_data *store) |
2983 | { | |
e7347cb9 | 2984 | free(store->key); |
247e2f82 DS |
2985 | if (store->value_pattern != NULL && |
2986 | store->value_pattern != CONFIG_REGEX_NONE) { | |
2987 | regfree(store->value_pattern); | |
2988 | free(store->value_pattern); | |
3b82542d | 2989 | } |
2a00e594 MÅ |
2990 | free(store->parsed); |
2991 | free(store->seen); | |
2992 | memset(store, 0, sizeof(*store)); | |
2993 | } | |
2994 | ||
fee8572c JS |
2995 | static int matches(const char *key, const char *value, |
2996 | const struct config_store_data *store) | |
f98d863d | 2997 | { |
fee8572c | 2998 | if (strcmp(key, store->key)) |
c1063be2 | 2999 | return 0; /* not ours */ |
c90702a1 DS |
3000 | if (store->fixed_value) |
3001 | return !strcmp(store->fixed_value, value); | |
247e2f82 | 3002 | if (!store->value_pattern) |
c1063be2 | 3003 | return 1; /* always matches */ |
247e2f82 | 3004 | if (store->value_pattern == CONFIG_REGEX_NONE) |
c1063be2 JK |
3005 | return 0; /* never matches */ |
3006 | ||
fee8572c | 3007 | return store->do_not_match ^ |
247e2f82 | 3008 | (value && !regexec(store->value_pattern, value, 0, NULL, 0)); |
f98d863d JS |
3009 | } |
3010 | ||
6e8e7981 GC |
3011 | static int store_aux_event(enum config_event_t type, size_t begin, size_t end, |
3012 | struct config_source *cs, void *data) | |
6ae996f2 JS |
3013 | { |
3014 | struct config_store_data *store = data; | |
3015 | ||
3016 | ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc); | |
3017 | store->parsed[store->parsed_nr].begin = begin; | |
3018 | store->parsed[store->parsed_nr].end = end; | |
3019 | store->parsed[store->parsed_nr].type = type; | |
6ae996f2 JS |
3020 | |
3021 | if (type == CONFIG_EVENT_SECTION) { | |
2d84f13d SB |
3022 | int (*cmpfn)(const char *, const char *, size_t); |
3023 | ||
9b4a6553 GC |
3024 | if (cs->var.len < 2 || cs->var.buf[cs->var.len - 1] != '.') |
3025 | return error(_("invalid section name '%s'"), cs->var.buf); | |
6ae996f2 | 3026 | |
9b4a6553 | 3027 | if (cs->subsection_case_sensitive) |
2d84f13d SB |
3028 | cmpfn = strncasecmp; |
3029 | else | |
3030 | cmpfn = strncmp; | |
3031 | ||
6ae996f2 | 3032 | /* Is this the section we were looking for? */ |
22aedfcc JS |
3033 | store->is_keys_section = |
3034 | store->parsed[store->parsed_nr].is_keys_section = | |
9b4a6553 GC |
3035 | cs->var.len - 1 == store->baselen && |
3036 | !cmpfn(cs->var.buf, store->key, store->baselen); | |
c71d8bb3 JS |
3037 | if (store->is_keys_section) { |
3038 | store->section_seen = 1; | |
3039 | ALLOC_GROW(store->seen, store->seen_nr + 1, | |
3040 | store->seen_alloc); | |
3041 | store->seen[store->seen_nr] = store->parsed_nr; | |
3042 | } | |
6ae996f2 JS |
3043 | } |
3044 | ||
22aedfcc JS |
3045 | store->parsed_nr++; |
3046 | ||
6ae996f2 | 3047 | return 0; |
f98d863d JS |
3048 | } |
3049 | ||
a4e7e317 GC |
3050 | static int store_aux(const char *key, const char *value, |
3051 | const struct config_context *ctx UNUSED, void *cb) | |
10bea152 | 3052 | { |
fee8572c | 3053 | struct config_store_data *store = cb; |
ae9ee41d | 3054 | |
5221c315 | 3055 | if (store->key_seen) { |
fee8572c | 3056 | if (matches(key, value, store)) { |
668b9ade | 3057 | if (store->seen_nr == 1 && store->multi_replace == 0) { |
8262aaa2 | 3058 | warning(_("%s has multiple values"), key); |
10bea152 | 3059 | } |
4ddba79d | 3060 | |
668b9ade JS |
3061 | ALLOC_GROW(store->seen, store->seen_nr + 1, |
3062 | store->seen_alloc); | |
83786fa4 | 3063 | |
6ae996f2 | 3064 | store->seen[store->seen_nr] = store->parsed_nr; |
668b9ade | 3065 | store->seen_nr++; |
10bea152 | 3066 | } |
5221c315 | 3067 | } else if (store->is_keys_section) { |
ae9ee41d | 3068 | /* |
6ae996f2 JS |
3069 | * Do not increment matches yet: this may not be a match, but we |
3070 | * are in the desired section. | |
ae9ee41d | 3071 | */ |
6ae996f2 JS |
3072 | ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc); |
3073 | store->seen[store->seen_nr] = store->parsed_nr; | |
5221c315 | 3074 | store->section_seen = 1; |
ae9ee41d | 3075 | |
6ae996f2 JS |
3076 | if (matches(key, value, store)) { |
3077 | store->seen_nr++; | |
3078 | store->key_seen = 1; | |
bdf0ef08 | 3079 | } |
10bea152 | 3080 | } |
5221c315 | 3081 | |
10bea152 JS |
3082 | return 0; |
3083 | } | |
3084 | ||
64c0d71c | 3085 | static int write_error(const char *filename) |
480c9e52 | 3086 | { |
a769bfc7 | 3087 | error(_("failed to write new configuration file %s"), filename); |
480c9e52 AW |
3088 | |
3089 | /* Same error code as "failed to rename". */ | |
3090 | return 4; | |
3091 | } | |
3092 | ||
fee8572c JS |
3093 | static struct strbuf store_create_section(const char *key, |
3094 | const struct config_store_data *store) | |
10bea152 | 3095 | { |
cb891a59 | 3096 | const char *dot; |
f011a965 | 3097 | size_t i; |
f285a2d7 | 3098 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 3099 | |
fee8572c | 3100 | dot = memchr(key, '.', store->baselen); |
d14f7764 | 3101 | if (dot) { |
cb891a59 | 3102 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
fee8572c | 3103 | for (i = dot - key + 1; i < store->baselen; i++) { |
e5c349ba | 3104 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
3105 | strbuf_addch(&sb, '\\'); |
3106 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 3107 | } |
cb891a59 KH |
3108 | strbuf_addstr(&sb, "\"]\n"); |
3109 | } else { | |
f011a965 JK |
3110 | strbuf_addch(&sb, '['); |
3111 | strbuf_add(&sb, key, store->baselen); | |
3112 | strbuf_addstr(&sb, "]\n"); | |
d14f7764 LT |
3113 | } |
3114 | ||
5463caab SD |
3115 | return sb; |
3116 | } | |
3117 | ||
fee8572c JS |
3118 | static ssize_t write_section(int fd, const char *key, |
3119 | const struct config_store_data *store) | |
5463caab | 3120 | { |
fee8572c | 3121 | struct strbuf sb = store_create_section(key, store); |
3b48045c | 3122 | ssize_t ret; |
5463caab | 3123 | |
782c030e | 3124 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 | 3125 | strbuf_release(&sb); |
480c9e52 | 3126 | |
d9bd4cbb | 3127 | return ret; |
10bea152 JS |
3128 | } |
3129 | ||
fee8572c JS |
3130 | static ssize_t write_pair(int fd, const char *key, const char *value, |
3131 | const struct config_store_data *store) | |
10bea152 | 3132 | { |
d9bd4cbb JK |
3133 | int i; |
3134 | ssize_t ret; | |
cb891a59 | 3135 | const char *quote = ""; |
f285a2d7 | 3136 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 3137 | |
6281f394 JM |
3138 | /* |
3139 | * Check to see if the value needs to be surrounded with a dq pair. | |
3140 | * Note that problematic characters are always backslash-quoted; this | |
3141 | * check is about not losing leading or trailing SP and strings that | |
3142 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
3143 | * configuration parser. | |
3144 | */ | |
cdd4fb15 | 3145 | if (value[0] == ' ') |
cb891a59 | 3146 | quote = "\""; |
cdd4fb15 BG |
3147 | for (i = 0; value[i]; i++) |
3148 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
3149 | quote = "\""; |
3150 | if (i && value[i - 1] == ' ') | |
3151 | quote = "\""; | |
3152 | ||
6c7e6963 | 3153 | strbuf_addf(&sb, "\t%s = %s", key + store->baselen + 1, quote); |
10bea152 | 3154 | |
10bea152 JS |
3155 | for (i = 0; value[i]; i++) |
3156 | switch (value[i]) { | |
480c9e52 | 3157 | case '\n': |
cb891a59 | 3158 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
3159 | break; |
3160 | case '\t': | |
cb891a59 | 3161 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
3162 | break; |
3163 | case '"': | |
3164 | case '\\': | |
cb891a59 | 3165 | strbuf_addch(&sb, '\\'); |
1cf01a34 | 3166 | /* fallthrough */ |
480c9e52 | 3167 | default: |
cb891a59 | 3168 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
3169 | break; |
3170 | } | |
cb891a59 KH |
3171 | strbuf_addf(&sb, "%s\n", quote); |
3172 | ||
d9bd4cbb | 3173 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 KH |
3174 | strbuf_release(&sb); |
3175 | ||
d9bd4cbb | 3176 | return ret; |
10bea152 JS |
3177 | } |
3178 | ||
22aedfcc JS |
3179 | /* |
3180 | * If we are about to unset the last key(s) in a section, and if there are | |
3181 | * no comments surrounding (or included in) the section, we will want to | |
3182 | * extend begin/end to remove the entire section. | |
3183 | * | |
3184 | * Note: the parameter `seen_ptr` points to the index into the store.seen | |
3185 | * array. * This index may be incremented if a section has more than one | |
3186 | * entry (which all are to be removed). | |
3187 | */ | |
3188 | static void maybe_remove_section(struct config_store_data *store, | |
22aedfcc JS |
3189 | size_t *begin_offset, size_t *end_offset, |
3190 | int *seen_ptr) | |
4ddba79d | 3191 | { |
22aedfcc JS |
3192 | size_t begin; |
3193 | int i, seen, section_seen = 0; | |
4ddba79d | 3194 | |
22aedfcc JS |
3195 | /* |
3196 | * First, ensure that this is the first key, and that there are no | |
3197 | * comments before the entry nor before the section header. | |
3198 | */ | |
3199 | seen = *seen_ptr; | |
3200 | for (i = store->seen[seen]; i > 0; i--) { | |
3201 | enum config_event_t type = store->parsed[i - 1].type; | |
3202 | ||
3203 | if (type == CONFIG_EVENT_COMMENT) | |
3204 | /* There is a comment before this entry or section */ | |
3205 | return; | |
3206 | if (type == CONFIG_EVENT_ENTRY) { | |
3207 | if (!section_seen) | |
3208 | /* This is not the section's first entry. */ | |
3209 | return; | |
3210 | /* We encountered no comment before the section. */ | |
3211 | break; | |
3212 | } | |
3213 | if (type == CONFIG_EVENT_SECTION) { | |
3214 | if (!store->parsed[i - 1].is_keys_section) | |
3215 | break; | |
3216 | section_seen = 1; | |
4ddba79d | 3217 | } |
7a31cc0f | 3218 | } |
22aedfcc JS |
3219 | begin = store->parsed[i].begin; |
3220 | ||
3221 | /* | |
46a237f4 | 3222 | * Next, make sure that we are removing the last key(s) in the section, |
22aedfcc JS |
3223 | * and that there are no comments that are possibly about the current |
3224 | * section. | |
3225 | */ | |
3226 | for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) { | |
3227 | enum config_event_t type = store->parsed[i].type; | |
4ddba79d | 3228 | |
22aedfcc JS |
3229 | if (type == CONFIG_EVENT_COMMENT) |
3230 | return; | |
3231 | if (type == CONFIG_EVENT_SECTION) { | |
3232 | if (store->parsed[i].is_keys_section) | |
3233 | continue; | |
3234 | break; | |
3235 | } | |
3236 | if (type == CONFIG_EVENT_ENTRY) { | |
3237 | if (++seen < store->seen_nr && | |
3238 | i == store->seen[seen]) | |
3239 | /* We want to remove this entry, too */ | |
3240 | continue; | |
3241 | /* There is another entry in this section. */ | |
3242 | return; | |
3243 | } | |
3244 | } | |
3245 | ||
3246 | /* | |
3247 | * We are really removing the last entry/entries from this section, and | |
3248 | * there are no enclosed or surrounding comments. Remove the entire, | |
3249 | * now-empty section. | |
3250 | */ | |
3251 | *seen_ptr = seen; | |
3252 | *begin_offset = begin; | |
3253 | if (i < store->parsed_nr) | |
3254 | *end_offset = store->parsed[i].begin; | |
3255 | else | |
3256 | *end_offset = store->parsed[store->parsed_nr - 1].end; | |
4ddba79d JS |
3257 | } |
3258 | ||
30598ad0 PS |
3259 | int git_config_set_in_file_gently(const char *config_filename, |
3260 | const char *key, const char *value) | |
5ec31182 | 3261 | { |
30598ad0 | 3262 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
3263 | } |
3264 | ||
3d180648 PS |
3265 | void git_config_set_in_file(const char *config_filename, |
3266 | const char *key, const char *value) | |
10bea152 | 3267 | { |
3d180648 | 3268 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
3269 | } |
3270 | ||
30598ad0 | 3271 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 3272 | { |
30598ad0 | 3273 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
3274 | } |
3275 | ||
fe187339 DS |
3276 | int repo_config_set_worktree_gently(struct repository *r, |
3277 | const char *key, const char *value) | |
3278 | { | |
b39a8418 | 3279 | /* Only use worktree-specific config if it is already enabled. */ |
3867f6d6 | 3280 | if (r->repository_format_worktree_config) { |
fe187339 DS |
3281 | char *file = repo_git_path(r, "config.worktree"); |
3282 | int ret = git_config_set_multivar_in_file_gently( | |
3283 | file, key, value, NULL, 0); | |
3284 | free(file); | |
3285 | return ret; | |
3286 | } | |
3287 | return repo_config_set_multivar_gently(r, key, value, NULL, 0); | |
3288 | } | |
3289 | ||
3d180648 | 3290 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 3291 | { |
3d180648 | 3292 | git_config_set_multivar(key, value, NULL, 0); |
ee4512ed JH |
3293 | |
3294 | trace2_cmd_set_config(key, value); | |
10bea152 JS |
3295 | } |
3296 | ||
3297 | /* | |
3298 | * If value==NULL, unset in (remove from) config, | |
247e2f82 DS |
3299 | * if value_pattern!=NULL, disregard key/value pairs where value does not match. |
3300 | * if value_pattern==CONFIG_REGEX_NONE, do not match any existing values | |
c1063be2 | 3301 | * (only add a new one) |
504ee129 DS |
3302 | * if flags contains the CONFIG_FLAGS_MULTI_REPLACE flag, all matching |
3303 | * key/values are removed before a single new pair is written. If the | |
3304 | * flag is not present, then replace only the first match. | |
10bea152 JS |
3305 | * |
3306 | * Returns 0 on success. | |
3307 | * | |
3308 | * This function does this: | |
3309 | * | |
3310 | * - it locks the config file by creating ".git/config.lock" | |
3311 | * | |
3312 | * - it then parses the config using store_aux() as validator to find | |
3313 | * the position on the key/value pair to replace. If it is to be unset, | |
3314 | * it must be found exactly once. | |
3315 | * | |
3316 | * - the config file is mmap()ed and the part before the match (if any) is | |
3317 | * written to the lock file, then the changed part and the rest. | |
3318 | * | |
3319 | * - the config file is removed and the lock file rename()d to it. | |
3320 | * | |
3321 | */ | |
30598ad0 PS |
3322 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
3323 | const char *key, const char *value, | |
247e2f82 | 3324 | const char *value_pattern, |
504ee129 | 3325 | unsigned flags) |
10bea152 | 3326 | { |
54d160ec | 3327 | int fd = -1, in_fd = -1; |
dafc88b1 | 3328 | int ret; |
bfffb48c | 3329 | struct lock_file lock = LOCK_INIT; |
0a5f5759 | 3330 | char *filename_buf = NULL; |
3a1b3126 JK |
3331 | char *contents = NULL; |
3332 | size_t contents_sz; | |
a798a56c | 3333 | struct config_store_data store = CONFIG_STORE_INIT; |
fee8572c | 3334 | |
b09c53a3 LP |
3335 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
3336 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
3337 | if (ret) | |
dafc88b1 | 3338 | goto out_free; |
b17e659d | 3339 | |
504ee129 | 3340 | store.multi_replace = (flags & CONFIG_FLAGS_MULTI_REPLACE) != 0; |
10bea152 | 3341 | |
0a5f5759 JK |
3342 | if (!config_filename) |
3343 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
3344 | |
3345 | /* | |
6cbf973c | 3346 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
3347 | * contents of .git/config will be written into it. |
3348 | */ | |
bfffb48c | 3349 | fd = hold_lock_file_for_update(&lock, config_filename, 0); |
6cbf973c | 3350 | if (fd < 0) { |
a769bfc7 | 3351 | error_errno(_("could not lock config file %s"), config_filename); |
7a397419 | 3352 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 3353 | goto out_free; |
10bea152 JS |
3354 | } |
3355 | ||
3356 | /* | |
3357 | * If .git/config does not exist yet, write a minimal version. | |
3358 | */ | |
88fb958b AR |
3359 | in_fd = open(config_filename, O_RDONLY); |
3360 | if ( in_fd < 0 ) { | |
88fb958b | 3361 | if ( ENOENT != errno ) { |
a769bfc7 | 3362 | error_errno(_("opening %s"), config_filename); |
7a397419 | 3363 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 3364 | goto out_free; |
88fb958b | 3365 | } |
10bea152 | 3366 | /* if nothing to unset, error out */ |
afe8a907 | 3367 | if (!value) { |
7a397419 | 3368 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 3369 | goto out_free; |
10bea152 JS |
3370 | } |
3371 | ||
e7347cb9 MÅ |
3372 | free(store.key); |
3373 | store.key = xstrdup(key); | |
fee8572c JS |
3374 | if (write_section(fd, key, &store) < 0 || |
3375 | write_pair(fd, key, value, &store) < 0) | |
93c1e079 JH |
3376 | goto write_err_out; |
3377 | } else { | |
88fb958b | 3378 | struct stat st; |
3a1b3126 | 3379 | size_t copy_begin, copy_end; |
dc49cd76 | 3380 | int i, new_line = 0; |
6ae996f2 | 3381 | struct config_options opts; |
10bea152 | 3382 | |
afe8a907 | 3383 | if (!value_pattern) |
247e2f82 DS |
3384 | store.value_pattern = NULL; |
3385 | else if (value_pattern == CONFIG_REGEX_NONE) | |
3386 | store.value_pattern = CONFIG_REGEX_NONE; | |
c90702a1 DS |
3387 | else if (flags & CONFIG_FLAGS_FIXED_VALUE) |
3388 | store.fixed_value = value_pattern; | |
10bea152 | 3389 | else { |
247e2f82 | 3390 | if (value_pattern[0] == '!') { |
f98d863d | 3391 | store.do_not_match = 1; |
247e2f82 | 3392 | value_pattern++; |
f98d863d JS |
3393 | } else |
3394 | store.do_not_match = 0; | |
3395 | ||
247e2f82 DS |
3396 | store.value_pattern = (regex_t*)xmalloc(sizeof(regex_t)); |
3397 | if (regcomp(store.value_pattern, value_pattern, | |
10bea152 | 3398 | REG_EXTENDED)) { |
247e2f82 DS |
3399 | error(_("invalid pattern: %s"), value_pattern); |
3400 | FREE_AND_NULL(store.value_pattern); | |
7a397419 | 3401 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 3402 | goto out_free; |
10bea152 JS |
3403 | } |
3404 | } | |
3405 | ||
6ae996f2 JS |
3406 | ALLOC_GROW(store.parsed, 1, store.parsed_alloc); |
3407 | store.parsed[0].end = 0; | |
3408 | ||
3409 | memset(&opts, 0, sizeof(opts)); | |
3410 | opts.event_fn = store_aux_event; | |
3411 | opts.event_fn_data = &store; | |
10bea152 JS |
3412 | |
3413 | /* | |
6ae996f2 JS |
3414 | * After this, store.parsed will contain offsets of all the |
3415 | * parsed elements, and store.seen will contain a list of | |
3416 | * matches, as indices into store.parsed. | |
3417 | * | |
10bea152 JS |
3418 | * As a side effect, we make sure to transform only a valid |
3419 | * existing config file. | |
3420 | */ | |
6ae996f2 JS |
3421 | if (git_config_from_file_with_options(store_aux, |
3422 | config_filename, | |
809d8680 GC |
3423 | &store, CONFIG_SCOPE_UNKNOWN, |
3424 | &opts)) { | |
a769bfc7 | 3425 | error(_("invalid config file %s"), config_filename); |
7a397419 | 3426 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 3427 | goto out_free; |
10bea152 JS |
3428 | } |
3429 | ||
4ddba79d | 3430 | /* if nothing to unset, or too many matches, error out */ |
668b9ade | 3431 | if ((store.seen_nr == 0 && value == NULL) || |
504ee129 | 3432 | (store.seen_nr > 1 && !store.multi_replace)) { |
7a397419 | 3433 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 3434 | goto out_free; |
10bea152 JS |
3435 | } |
3436 | ||
29647d79 NTND |
3437 | if (fstat(in_fd, &st) == -1) { |
3438 | error_errno(_("fstat on %s failed"), config_filename); | |
3439 | ret = CONFIG_INVALID_FILE; | |
3440 | goto out_free; | |
3441 | } | |
3442 | ||
dc49cd76 | 3443 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
3444 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
3445 | MAP_PRIVATE, in_fd, 0); | |
3446 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
3447 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
3448 | errno = EISDIR; | |
dc059294 EW |
3449 | error_errno(_("unable to mmap '%s'%s"), |
3450 | config_filename, mmap_os_err()); | |
1570856b JK |
3451 | ret = CONFIG_INVALID_FILE; |
3452 | contents = NULL; | |
3453 | goto out_free; | |
3454 | } | |
10bea152 | 3455 | close(in_fd); |
54d160ec | 3456 | in_fd = -1; |
10bea152 | 3457 | |
bfffb48c | 3458 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 3459 | error_errno(_("chmod on %s failed"), get_lock_file_path(&lock)); |
daa22c6f EW |
3460 | ret = CONFIG_NO_WRITE; |
3461 | goto out_free; | |
3462 | } | |
3463 | ||
6ae996f2 JS |
3464 | if (store.seen_nr == 0) { |
3465 | if (!store.seen_alloc) { | |
3466 | /* Did not see key nor section */ | |
3467 | ALLOC_GROW(store.seen, 1, store.seen_alloc); | |
3468 | store.seen[0] = store.parsed_nr | |
3469 | - !!store.parsed_nr; | |
3470 | } | |
668b9ade | 3471 | store.seen_nr = 1; |
6ae996f2 | 3472 | } |
4ddba79d | 3473 | |
668b9ade | 3474 | for (i = 0, copy_begin = 0; i < store.seen_nr; i++) { |
6ae996f2 JS |
3475 | size_t replace_end; |
3476 | int j = store.seen[i]; | |
3477 | ||
46fc89ce | 3478 | new_line = 0; |
6ae996f2 | 3479 | if (!store.key_seen) { |
c71d8bb3 JS |
3480 | copy_end = store.parsed[j].end; |
3481 | /* include '\n' when copying section header */ | |
3482 | if (copy_end > 0 && copy_end < contents_sz && | |
3483 | contents[copy_end - 1] != '\n' && | |
3484 | contents[copy_end] == '\n') | |
3485 | copy_end++; | |
3486 | replace_end = copy_end; | |
6ae996f2 JS |
3487 | } else { |
3488 | replace_end = store.parsed[j].end; | |
3489 | copy_end = store.parsed[j].begin; | |
22aedfcc | 3490 | if (!value) |
a263ea84 | 3491 | maybe_remove_section(&store, |
22aedfcc JS |
3492 | ©_end, |
3493 | &replace_end, &i); | |
6ae996f2 JS |
3494 | /* |
3495 | * Swallow preceding white-space on the same | |
3496 | * line. | |
3497 | */ | |
3498 | while (copy_end > 0 ) { | |
3499 | char c = contents[copy_end - 1]; | |
3500 | ||
3501 | if (isspace(c) && c != '\n') | |
3502 | copy_end--; | |
3503 | else | |
3504 | break; | |
3505 | } | |
3506 | } | |
4ddba79d | 3507 | |
02e5ba4a JK |
3508 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
3509 | new_line = 1; | |
3510 | ||
4ddba79d JS |
3511 | /* write the first part of the config */ |
3512 | if (copy_end > copy_begin) { | |
93c1e079 | 3513 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 3514 | copy_end - copy_begin) < 0) |
93c1e079 JH |
3515 | goto write_err_out; |
3516 | if (new_line && | |
06f46f23 | 3517 | write_str_in_full(fd, "\n") < 0) |
93c1e079 | 3518 | goto write_err_out; |
4ddba79d | 3519 | } |
6ae996f2 | 3520 | copy_begin = replace_end; |
10bea152 JS |
3521 | } |
3522 | ||
10bea152 | 3523 | /* write the pair (value == NULL means unset) */ |
afe8a907 | 3524 | if (value) { |
5221c315 | 3525 | if (!store.section_seen) { |
fee8572c | 3526 | if (write_section(fd, key, &store) < 0) |
93c1e079 | 3527 | goto write_err_out; |
480c9e52 | 3528 | } |
fee8572c | 3529 | if (write_pair(fd, key, value, &store) < 0) |
93c1e079 | 3530 | goto write_err_out; |
10bea152 JS |
3531 | } |
3532 | ||
3533 | /* write the rest of the config */ | |
dc49cd76 | 3534 | if (copy_begin < contents_sz) |
93c1e079 | 3535 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 3536 | contents_sz - copy_begin) < 0) |
93c1e079 | 3537 | goto write_err_out; |
7a64592c KB |
3538 | |
3539 | munmap(contents, contents_sz); | |
3540 | contents = NULL; | |
10bea152 JS |
3541 | } |
3542 | ||
bfffb48c | 3543 | if (commit_lock_file(&lock) < 0) { |
a769bfc7 | 3544 | error_errno(_("could not write config file %s"), config_filename); |
7a397419 | 3545 | ret = CONFIG_NO_WRITE; |
dafc88b1 | 3546 | goto out_free; |
10bea152 JS |
3547 | } |
3548 | ||
dafc88b1 SH |
3549 | ret = 0; |
3550 | ||
3c8687a7 TA |
3551 | /* Invalidate the config cache */ |
3552 | git_config_clear(); | |
3553 | ||
dafc88b1 | 3554 | out_free: |
bfffb48c | 3555 | rollback_lock_file(&lock); |
0a5f5759 | 3556 | free(filename_buf); |
3a1b3126 JK |
3557 | if (contents) |
3558 | munmap(contents, contents_sz); | |
54d160ec SS |
3559 | if (in_fd >= 0) |
3560 | close(in_fd); | |
2a00e594 | 3561 | config_store_data_clear(&store); |
dafc88b1 | 3562 | return ret; |
93c1e079 JH |
3563 | |
3564 | write_err_out: | |
bfffb48c | 3565 | ret = write_error(get_lock_file_path(&lock)); |
93c1e079 JH |
3566 | goto out_free; |
3567 | ||
10bea152 JS |
3568 | } |
3569 | ||
3d180648 PS |
3570 | void git_config_set_multivar_in_file(const char *config_filename, |
3571 | const char *key, const char *value, | |
247e2f82 | 3572 | const char *value_pattern, unsigned flags) |
b4c8aba6 | 3573 | { |
1cae428e | 3574 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
247e2f82 | 3575 | value_pattern, flags)) |
1cae428e JK |
3576 | return; |
3577 | if (value) | |
8c3ca351 | 3578 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
3579 | else |
3580 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
3581 | } |
3582 | ||
30598ad0 | 3583 | int git_config_set_multivar_gently(const char *key, const char *value, |
247e2f82 | 3584 | const char *value_pattern, unsigned flags) |
5ec31182 | 3585 | { |
fe187339 DS |
3586 | return repo_config_set_multivar_gently(the_repository, key, value, |
3587 | value_pattern, flags); | |
3588 | } | |
3589 | ||
3590 | int repo_config_set_multivar_gently(struct repository *r, const char *key, | |
3591 | const char *value, | |
3592 | const char *value_pattern, unsigned flags) | |
3593 | { | |
3594 | char *file = repo_git_path(r, "config"); | |
3595 | int res = git_config_set_multivar_in_file_gently(file, | |
3596 | key, value, | |
3597 | value_pattern, | |
3598 | flags); | |
3599 | free(file); | |
3600 | return res; | |
5ec31182 RR |
3601 | } |
3602 | ||
3d180648 | 3603 | void git_config_set_multivar(const char *key, const char *value, |
247e2f82 | 3604 | const char *value_pattern, unsigned flags) |
5ec31182 | 3605 | { |
fe187339 DS |
3606 | git_config_set_multivar_in_file(git_path("config"), |
3607 | key, value, value_pattern, | |
504ee129 | 3608 | flags); |
5ec31182 RR |
3609 | } |
3610 | ||
e91cfe60 | 3611 | static size_t section_name_match (const char *buf, const char *name) |
118f8b24 | 3612 | { |
e91cfe60 TB |
3613 | size_t i = 0, j = 0; |
3614 | int dot = 0; | |
a4c0d463 AV |
3615 | if (buf[i] != '[') |
3616 | return 0; | |
3617 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
3618 | if (!dot && isspace(buf[i])) { |
3619 | dot = 1; | |
3620 | if (name[j++] != '.') | |
3621 | break; | |
3622 | for (i++; isspace(buf[i]); i++) | |
3623 | ; /* do nothing */ | |
3624 | if (buf[i] != '"') | |
3625 | break; | |
3626 | continue; | |
3627 | } | |
3628 | if (buf[i] == '\\' && dot) | |
3629 | i++; | |
3630 | else if (buf[i] == '"' && dot) { | |
3631 | for (i++; isspace(buf[i]); i++) | |
3632 | ; /* do_nothing */ | |
3633 | break; | |
3634 | } | |
3635 | if (buf[i] != name[j++]) | |
3636 | break; | |
3637 | } | |
a4c0d463 AV |
3638 | if (buf[i] == ']' && name[j] == 0) { |
3639 | /* | |
3640 | * We match, now just find the right length offset by | |
3641 | * gobbling up any whitespace after it, as well | |
3642 | */ | |
3643 | i++; | |
3644 | for (; buf[i] && isspace(buf[i]); i++) | |
3645 | ; /* do nothing */ | |
3646 | return i; | |
3647 | } | |
3648 | return 0; | |
118f8b24 PB |
3649 | } |
3650 | ||
94a35b1a JK |
3651 | static int section_name_is_ok(const char *name) |
3652 | { | |
3653 | /* Empty section names are bogus. */ | |
3654 | if (!*name) | |
3655 | return 0; | |
3656 | ||
3657 | /* | |
3658 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
3659 | * anything goes, so we can stop checking. | |
3660 | */ | |
3661 | for (; *name && *name != '.'; name++) | |
3662 | if (*name != '-' && !isalnum(*name)) | |
3663 | return 0; | |
3664 | return 1; | |
3665 | } | |
3666 | ||
3bb3d6ba TB |
3667 | #define GIT_CONFIG_MAX_LINE_LEN (512 * 1024) |
3668 | ||
118f8b24 | 3669 | /* if new_name == NULL, the section is removed instead */ |
52d59cc6 | 3670 | static int git_config_copy_or_rename_section_in_file(const char *config_filename, |
fee8572c JS |
3671 | const char *old_name, |
3672 | const char *new_name, int copy) | |
0667fcfb | 3673 | { |
118f8b24 | 3674 | int ret = 0, remove = 0; |
42bd39b5 | 3675 | char *filename_buf = NULL; |
837e34eb | 3676 | struct lock_file lock = LOCK_INIT; |
0667fcfb | 3677 | int out_fd; |
a5bb10fd | 3678 | struct strbuf buf = STRBUF_INIT; |
4db7dbdb | 3679 | FILE *config_file = NULL; |
daa22c6f | 3680 | struct stat st; |
52d59cc6 | 3681 | struct strbuf copystr = STRBUF_INIT; |
fee8572c | 3682 | struct config_store_data store; |
3bb3d6ba | 3683 | uint32_t line_nr = 0; |
fee8572c JS |
3684 | |
3685 | memset(&store, 0, sizeof(store)); | |
0667fcfb | 3686 | |
94a35b1a | 3687 | if (new_name && !section_name_is_ok(new_name)) { |
a769bfc7 | 3688 | ret = error(_("invalid section name: %s"), new_name); |
c06fa62d | 3689 | goto out_no_rollback; |
94a35b1a JK |
3690 | } |
3691 | ||
42bd39b5 JK |
3692 | if (!config_filename) |
3693 | config_filename = filename_buf = git_pathdup("config"); | |
3694 | ||
837e34eb | 3695 | out_fd = hold_lock_file_for_update(&lock, config_filename, 0); |
fc1905bb | 3696 | if (out_fd < 0) { |
a769bfc7 | 3697 | ret = error(_("could not lock config file %s"), config_filename); |
fc1905bb JH |
3698 | goto out; |
3699 | } | |
0667fcfb | 3700 | |
fc1905bb | 3701 | if (!(config_file = fopen(config_filename, "rb"))) { |
11dc1fcb NTND |
3702 | ret = warn_on_fopen_errors(config_filename); |
3703 | if (ret) | |
3704 | goto out; | |
01ebb9dc | 3705 | /* no config file means nothing to rename, no error */ |
6e45b43f | 3706 | goto commit_and_out; |
fc1905bb | 3707 | } |
0667fcfb | 3708 | |
29647d79 NTND |
3709 | if (fstat(fileno(config_file), &st) == -1) { |
3710 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
3711 | goto out; | |
3712 | } | |
daa22c6f | 3713 | |
837e34eb | 3714 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 3715 | ret = error_errno(_("chmod on %s failed"), |
837e34eb | 3716 | get_lock_file_path(&lock)); |
daa22c6f EW |
3717 | goto out; |
3718 | } | |
3719 | ||
a5bb10fd | 3720 | while (!strbuf_getwholeline(&buf, config_file, '\n')) { |
e91cfe60 | 3721 | size_t i, length; |
52d59cc6 | 3722 | int is_section = 0; |
a5bb10fd | 3723 | char *output = buf.buf; |
3bb3d6ba TB |
3724 | |
3725 | line_nr++; | |
3726 | ||
3727 | if (buf.len >= GIT_CONFIG_MAX_LINE_LEN) { | |
3728 | ret = error(_("refusing to work with overly long line " | |
3729 | "in '%s' on line %"PRIuMAX), | |
3730 | config_filename, (uintmax_t)line_nr); | |
3731 | goto out; | |
3732 | } | |
3733 | ||
a5bb10fd | 3734 | for (i = 0; buf.buf[i] && isspace(buf.buf[i]); i++) |
0667fcfb | 3735 | ; /* do nothing */ |
a5bb10fd | 3736 | if (buf.buf[i] == '[') { |
0667fcfb | 3737 | /* it's a section */ |
e91cfe60 | 3738 | size_t offset; |
52d59cc6 SD |
3739 | is_section = 1; |
3740 | ||
3741 | /* | |
3742 | * When encountering a new section under -c we | |
3743 | * need to flush out any section we're already | |
3744 | * coping and begin anew. There might be | |
3745 | * multiple [branch "$name"] sections. | |
3746 | */ | |
3747 | if (copystr.len > 0) { | |
c5e3bc6e | 3748 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3749 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3750 | goto out; |
3751 | } | |
3752 | strbuf_reset(©str); | |
3753 | } | |
3754 | ||
a5bb10fd | 3755 | offset = section_name_match(&buf.buf[i], old_name); |
a4c0d463 | 3756 | if (offset > 0) { |
118f8b24 | 3757 | ret++; |
afe8a907 | 3758 | if (!new_name) { |
118f8b24 | 3759 | remove = 1; |
0667fcfb JS |
3760 | continue; |
3761 | } | |
0667fcfb | 3762 | store.baselen = strlen(new_name); |
52d59cc6 | 3763 | if (!copy) { |
fee8572c | 3764 | if (write_section(out_fd, new_name, &store) < 0) { |
0b646bca | 3765 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3766 | goto out; |
3767 | } | |
9a5abfc7 | 3768 | /* |
52d59cc6 SD |
3769 | * We wrote out the new section, with |
3770 | * a newline, now skip the old | |
3771 | * section's length | |
9a5abfc7 | 3772 | */ |
52d59cc6 SD |
3773 | output += offset + i; |
3774 | if (strlen(output) > 0) { | |
3775 | /* | |
3776 | * More content means there's | |
3777 | * a declaration to put on the | |
3778 | * next line; indent with a | |
3779 | * tab | |
3780 | */ | |
3781 | output -= 1; | |
3782 | output[0] = '\t'; | |
3783 | } | |
3784 | } else { | |
5e786ed3 | 3785 | strbuf_release(©str); |
fee8572c | 3786 | copystr = store_create_section(new_name, &store); |
9a5abfc7 | 3787 | } |
0667fcfb | 3788 | } |
118f8b24 | 3789 | remove = 0; |
0667fcfb | 3790 | } |
118f8b24 PB |
3791 | if (remove) |
3792 | continue; | |
9a5abfc7 | 3793 | length = strlen(output); |
52d59cc6 SD |
3794 | |
3795 | if (!is_section && copystr.len > 0) { | |
3796 | strbuf_add(©str, output, length); | |
3797 | } | |
3798 | ||
06f46f23 | 3799 | if (write_in_full(out_fd, output, length) < 0) { |
837e34eb | 3800 | ret = write_error(get_lock_file_path(&lock)); |
480c9e52 AW |
3801 | goto out; |
3802 | } | |
0667fcfb | 3803 | } |
52d59cc6 SD |
3804 | |
3805 | /* | |
3806 | * Copy a trailing section at the end of the config, won't be | |
3807 | * flushed by the usual "flush because we have a new section | |
3808 | * logic in the loop above. | |
3809 | */ | |
3810 | if (copystr.len > 0) { | |
c5e3bc6e | 3811 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3812 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3813 | goto out; |
3814 | } | |
3815 | strbuf_reset(©str); | |
3816 | } | |
3817 | ||
fc1905bb | 3818 | fclose(config_file); |
4db7dbdb | 3819 | config_file = NULL; |
6e45b43f | 3820 | commit_and_out: |
837e34eb | 3821 | if (commit_lock_file(&lock) < 0) |
a769bfc7 | 3822 | ret = error_errno(_("could not write config file %s"), |
f0658ec9 | 3823 | config_filename); |
8b590075 | 3824 | out: |
4db7dbdb JS |
3825 | if (config_file) |
3826 | fclose(config_file); | |
837e34eb | 3827 | rollback_lock_file(&lock); |
c06fa62d | 3828 | out_no_rollback: |
42bd39b5 | 3829 | free(filename_buf); |
2a00e594 | 3830 | config_store_data_clear(&store); |
a5bb10fd | 3831 | strbuf_release(&buf); |
003c1f11 | 3832 | strbuf_release(©str); |
0667fcfb JS |
3833 | return ret; |
3834 | } | |
40ea4ed9 | 3835 | |
52d59cc6 SD |
3836 | int git_config_rename_section_in_file(const char *config_filename, |
3837 | const char *old_name, const char *new_name) | |
3838 | { | |
3839 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3840 | old_name, new_name, 0); | |
3841 | } | |
3842 | ||
42bd39b5 JK |
3843 | int git_config_rename_section(const char *old_name, const char *new_name) |
3844 | { | |
4a7bb5ba | 3845 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
3846 | } |
3847 | ||
52d59cc6 SD |
3848 | int git_config_copy_section_in_file(const char *config_filename, |
3849 | const char *old_name, const char *new_name) | |
3850 | { | |
3851 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3852 | old_name, new_name, 1); | |
3853 | } | |
3854 | ||
3855 | int git_config_copy_section(const char *old_name, const char *new_name) | |
3856 | { | |
3857 | return git_config_copy_section_in_file(NULL, old_name, new_name); | |
3858 | } | |
3859 | ||
40ea4ed9 JH |
3860 | /* |
3861 | * Call this to report error for your variable that should not | |
3862 | * get a boolean value (i.e. "[my] var" means "true"). | |
3863 | */ | |
a469a101 | 3864 | #undef config_error_nonbool |
40ea4ed9 JH |
3865 | int config_error_nonbool(const char *var) |
3866 | { | |
a769bfc7 | 3867 | return error(_("missing value for '%s'"), var); |
40ea4ed9 | 3868 | } |
1b86bbb0 JK |
3869 | |
3870 | int parse_config_key(const char *var, | |
3871 | const char *section, | |
f5914f4b | 3872 | const char **subsection, size_t *subsection_len, |
1b86bbb0 JK |
3873 | const char **key) |
3874 | { | |
1b86bbb0 JK |
3875 | const char *dot; |
3876 | ||
3877 | /* Does it start with "section." ? */ | |
e3394fdc | 3878 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
3879 | return -1; |
3880 | ||
3881 | /* | |
3882 | * Find the key; we don't know yet if we have a subsection, but we must | |
3883 | * parse backwards from the end, since the subsection may have dots in | |
3884 | * it, too. | |
3885 | */ | |
3886 | dot = strrchr(var, '.'); | |
3887 | *key = dot + 1; | |
3888 | ||
3889 | /* Did we have a subsection at all? */ | |
e3394fdc | 3890 | if (dot == var) { |
48f8d9f7 JK |
3891 | if (subsection) { |
3892 | *subsection = NULL; | |
3893 | *subsection_len = 0; | |
3894 | } | |
1b86bbb0 JK |
3895 | } |
3896 | else { | |
48f8d9f7 JK |
3897 | if (!subsection) |
3898 | return -1; | |
e3394fdc | 3899 | *subsection = var + 1; |
1b86bbb0 JK |
3900 | *subsection_len = dot - *subsection; |
3901 | } | |
3902 | ||
3903 | return 0; | |
3904 | } | |
473166b9 | 3905 | |
6021e1d1 | 3906 | const char *config_origin_type_name(enum config_origin_type type) |
e2016508 | 3907 | { |
1b8132d9 VA |
3908 | switch (type) { |
3909 | case CONFIG_ORIGIN_BLOB: | |
3910 | return "blob"; | |
3911 | case CONFIG_ORIGIN_FILE: | |
3912 | return "file"; | |
3913 | case CONFIG_ORIGIN_STDIN: | |
3914 | return "standard input"; | |
3915 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
3916 | return "submodule-blob"; | |
3917 | case CONFIG_ORIGIN_CMDLINE: | |
3918 | return "command line"; | |
3919 | default: | |
033abf97 | 3920 | BUG("unknown config origin type"); |
1b8132d9 | 3921 | } |
473166b9 LS |
3922 | } |
3923 | ||
a5cb4204 MR |
3924 | const char *config_scope_name(enum config_scope scope) |
3925 | { | |
3926 | switch (scope) { | |
3927 | case CONFIG_SCOPE_SYSTEM: | |
3928 | return "system"; | |
3929 | case CONFIG_SCOPE_GLOBAL: | |
3930 | return "global"; | |
6dc905d9 MR |
3931 | case CONFIG_SCOPE_LOCAL: |
3932 | return "local"; | |
3933 | case CONFIG_SCOPE_WORKTREE: | |
3934 | return "worktree"; | |
6766e41b MR |
3935 | case CONFIG_SCOPE_COMMAND: |
3936 | return "command"; | |
9a83d088 MR |
3937 | case CONFIG_SCOPE_SUBMODULE: |
3938 | return "submodule"; | |
a5cb4204 MR |
3939 | default: |
3940 | return "unknown"; | |
3941 | } | |
3942 | } | |
3943 | ||
a73b3680 NTND |
3944 | int lookup_config(const char **mapping, int nr_mapping, const char *var) |
3945 | { | |
3946 | int i; | |
3947 | ||
3948 | for (i = 0; i < nr_mapping; i++) { | |
3949 | const char *name = mapping[i]; | |
3950 | ||
3951 | if (name && !strcasecmp(var, name)) | |
3952 | return i; | |
3953 | } | |
3954 | return -1; | |
3955 | } |