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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" |
b1bda751 | 14 | #include "parse.h" |
73359a9b | 15 | #include "convert.h" |
d8d77153 | 16 | #include "environment.h" |
f394e093 | 17 | #include "gettext.h" |
b5fa6081 | 18 | #include "ident.h" |
3b256228 | 19 | #include "repository.h" |
697cc8ef | 20 | #include "lockfile.h" |
47115569 | 21 | #include "mailmap.h" |
9f9c40cf | 22 | #include "attr.h" |
d807c4a0 | 23 | #include "exec-cmd.h" |
572e4f6a | 24 | #include "strbuf.h" |
2b64fc89 | 25 | #include "quote.h" |
3c8687a7 TA |
26 | #include "hashmap.h" |
27 | #include "string-list.h" | |
dabab1d6 | 28 | #include "object-name.h" |
a034e910 | 29 | #include "object-store-ll.h" |
ca4eed70 | 30 | #include "pager.h" |
c339932b | 31 | #include "path.h" |
599446dc | 32 | #include "utf8.h" |
3efd0bed | 33 | #include "dir.h" |
6d2f9acc | 34 | #include "color.h" |
cbeab747 | 35 | #include "replace-object.h" |
07b2c0ea | 36 | #include "refs.h" |
e38da487 | 37 | #include "setup.h" |
08c46a49 | 38 | #include "strvec.h" |
74ea5c95 | 39 | #include "trace2.h" |
dd77d587 | 40 | #include "wildmatch.h" |
fe187339 | 41 | #include "worktree.h" |
64122313 | 42 | #include "ws.h" |
d48be35c | 43 | #include "write-or-die.h" |
17712991 | 44 | |
4d8dd149 HV |
45 | struct config_source { |
46 | struct config_source *prev; | |
47 | union { | |
48 | FILE *file; | |
1bc88819 HV |
49 | struct config_buf { |
50 | const char *buf; | |
51 | size_t len; | |
52 | size_t pos; | |
53 | } buf; | |
4d8dd149 | 54 | } u; |
1b8132d9 | 55 | enum config_origin_type origin_type; |
924aaf3e | 56 | const char *name; |
d14d4244 | 57 | const char *path; |
66f97228 | 58 | enum config_error_action default_error_action; |
924aaf3e RJ |
59 | int linenr; |
60 | int eof; | |
348482de | 61 | size_t total_len; |
924aaf3e | 62 | struct strbuf value; |
0971e992 | 63 | struct strbuf var; |
2d84f13d | 64 | unsigned subsection_case_sensitive : 1; |
924aaf3e | 65 | |
49d6cfa5 JK |
66 | int (*do_fgetc)(struct config_source *c); |
67 | int (*do_ungetc)(int c, struct config_source *conf); | |
68 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 | 69 | }; |
c009bc89 | 70 | #define CONFIG_SOURCE_INIT { 0 } |
4d8dd149 | 71 | |
8de7eeb5 | 72 | static int pack_compression_seen; |
960ccca6 DH |
73 | static int zlib_compression_seen; |
74 | ||
5b3c6507 GC |
75 | /* |
76 | * Config that comes from trusted scopes, namely: | |
77 | * - CONFIG_SCOPE_SYSTEM (e.g. /etc/gitconfig) | |
78 | * - CONFIG_SCOPE_GLOBAL (e.g. $HOME/.gitconfig, $XDG_CONFIG_HOME/git) | |
79 | * - CONFIG_SCOPE_COMMAND (e.g. "-c" option, environment variables) | |
80 | * | |
81 | * This is declared here for code cleanliness, but unlike the other | |
82 | * static variables, this does not hold config parser state. | |
83 | */ | |
84 | static struct config_set protected_config; | |
85 | ||
4d8dd149 HV |
86 | static int config_file_fgetc(struct config_source *conf) |
87 | { | |
260d408e | 88 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
89 | } |
90 | ||
91 | static int config_file_ungetc(int c, struct config_source *conf) | |
92 | { | |
93 | return ungetc(c, conf->u.file); | |
94 | } | |
95 | ||
96 | static long config_file_ftell(struct config_source *conf) | |
97 | { | |
98 | return ftell(conf->u.file); | |
99 | } | |
100 | ||
1bc88819 HV |
101 | |
102 | static int config_buf_fgetc(struct config_source *conf) | |
103 | { | |
104 | if (conf->u.buf.pos < conf->u.buf.len) | |
105 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
106 | ||
107 | return EOF; | |
108 | } | |
109 | ||
110 | static int config_buf_ungetc(int c, struct config_source *conf) | |
111 | { | |
1d0655c1 JK |
112 | if (conf->u.buf.pos > 0) { |
113 | conf->u.buf.pos--; | |
114 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
033abf97 | 115 | BUG("config_buf can only ungetc the same character"); |
1d0655c1 JK |
116 | return c; |
117 | } | |
1bc88819 HV |
118 | |
119 | return EOF; | |
120 | } | |
121 | ||
122 | static long config_buf_ftell(struct config_source *conf) | |
123 | { | |
124 | return conf->u.buf.pos; | |
125 | } | |
126 | ||
ed69e11b JT |
127 | struct config_include_data { |
128 | int depth; | |
129 | config_fn_t fn; | |
130 | void *data; | |
131 | const struct config_options *opts; | |
399b1984 | 132 | struct git_config_source *config_source; |
9b6b06c1 | 133 | struct repository *repo; |
399b1984 JT |
134 | |
135 | /* | |
136 | * All remote URLs discovered when reading all config files. | |
137 | */ | |
138 | struct string_list *remote_urls; | |
ed69e11b JT |
139 | }; |
140 | #define CONFIG_INCLUDE_INIT { 0 } | |
141 | ||
a4e7e317 GC |
142 | static int git_config_include(const char *var, const char *value, |
143 | const struct config_context *ctx, void *data); | |
ed69e11b | 144 | |
9b25a0b5 | 145 | #define MAX_INCLUDE_DEPTH 10 |
a769bfc7 | 146 | static const char include_depth_advice[] = N_( |
9b25a0b5 JK |
147 | "exceeded maximum include depth (%d) while including\n" |
148 | " %s\n" | |
149 | "from\n" | |
150 | " %s\n" | |
27c929ed | 151 | "This might be due to circular includes."); |
908857a9 | 152 | static int handle_path_include(const struct key_value_info *kvi, |
26b66932 | 153 | const char *path, |
c97f3ed2 | 154 | struct config_include_data *inc) |
9b25a0b5 JK |
155 | { |
156 | int ret = 0; | |
157 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 158 | char *expanded; |
4c0a89fc | 159 | |
67beb600 JK |
160 | if (!path) |
161 | return config_error_nonbool("include.path"); | |
162 | ||
a03b097d | 163 | expanded = interpolate_path(path, 0); |
4c0a89fc | 164 | if (!expanded) |
a769bfc7 | 165 | return error(_("could not expand include path '%s'"), path); |
4c0a89fc | 166 | path = expanded; |
9b25a0b5 JK |
167 | |
168 | /* | |
169 | * Use an absolute path as-is, but interpret relative paths | |
170 | * based on the including config file. | |
171 | */ | |
172 | if (!is_absolute_path(path)) { | |
173 | char *slash; | |
174 | ||
908857a9 | 175 | if (!kvi || !kvi->path) { |
25ad7221 ÆAB |
176 | ret = error(_("relative config includes must come from files")); |
177 | goto cleanup; | |
178 | } | |
9b25a0b5 | 179 | |
908857a9 | 180 | slash = find_last_dir_sep(kvi->path); |
9b25a0b5 | 181 | if (slash) |
908857a9 | 182 | strbuf_add(&buf, kvi->path, slash - kvi->path + 1); |
9b25a0b5 JK |
183 | strbuf_addstr(&buf, path); |
184 | path = buf.buf; | |
185 | } | |
186 | ||
4698c8fe | 187 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 | 188 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
a769bfc7 | 189 | die(_(include_depth_advice), MAX_INCLUDE_DEPTH, path, |
908857a9 GC |
190 | !kvi ? "<unknown>" : |
191 | kvi->filename ? kvi->filename : | |
3258258f | 192 | "the command line"); |
809d8680 | 193 | ret = git_config_from_file_with_options(git_config_include, path, inc, |
26b66932 | 194 | kvi->scope, NULL); |
9b25a0b5 JK |
195 | inc->depth--; |
196 | } | |
25ad7221 | 197 | cleanup: |
9b25a0b5 | 198 | strbuf_release(&buf); |
4c0a89fc | 199 | free(expanded); |
9b25a0b5 JK |
200 | return ret; |
201 | } | |
202 | ||
07b2c0ea DL |
203 | static void add_trailing_starstar_for_dir(struct strbuf *pat) |
204 | { | |
205 | if (pat->len && is_dir_sep(pat->buf[pat->len - 1])) | |
206 | strbuf_addstr(pat, "**"); | |
207 | } | |
208 | ||
908857a9 | 209 | static int prepare_include_condition_pattern(const struct key_value_info *kvi, |
c97f3ed2 | 210 | struct strbuf *pat) |
3efd0bed NTND |
211 | { |
212 | struct strbuf path = STRBUF_INIT; | |
213 | char *expanded; | |
214 | int prefix = 0; | |
215 | ||
a03b097d | 216 | expanded = interpolate_path(pat->buf, 1); |
3efd0bed NTND |
217 | if (expanded) { |
218 | strbuf_reset(pat); | |
219 | strbuf_addstr(pat, expanded); | |
220 | free(expanded); | |
221 | } | |
222 | ||
223 | if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) { | |
224 | const char *slash; | |
225 | ||
908857a9 | 226 | if (!kvi || !kvi->path) |
3efd0bed NTND |
227 | return error(_("relative config include " |
228 | "conditionals must come from files")); | |
229 | ||
908857a9 | 230 | strbuf_realpath(&path, kvi->path, 1); |
3efd0bed NTND |
231 | slash = find_last_dir_sep(path.buf); |
232 | if (!slash) | |
033abf97 | 233 | BUG("how is this possible?"); |
3efd0bed NTND |
234 | strbuf_splice(pat, 0, 1, path.buf, slash - path.buf); |
235 | prefix = slash - path.buf + 1 /* slash */; | |
236 | } else if (!is_absolute_path(pat->buf)) | |
a91cc7fa | 237 | strbuf_insertstr(pat, 0, "**/"); |
3efd0bed | 238 | |
07b2c0ea | 239 | add_trailing_starstar_for_dir(pat); |
3efd0bed NTND |
240 | |
241 | strbuf_release(&path); | |
242 | return prefix; | |
243 | } | |
244 | ||
908857a9 | 245 | static int include_by_gitdir(const struct key_value_info *kvi, |
c97f3ed2 | 246 | const struct config_options *opts, |
2185fde5 | 247 | const char *cond, size_t cond_len, int icase) |
3efd0bed NTND |
248 | { |
249 | struct strbuf text = STRBUF_INIT; | |
250 | struct strbuf pattern = STRBUF_INIT; | |
251 | int ret = 0, prefix; | |
2185fde5 | 252 | const char *git_dir; |
0624c63c | 253 | int already_tried_absolute = 0; |
3efd0bed | 254 | |
2185fde5 NTND |
255 | if (opts->git_dir) |
256 | git_dir = opts->git_dir; | |
2185fde5 NTND |
257 | else |
258 | goto done; | |
259 | ||
c9672ba4 | 260 | strbuf_realpath(&text, git_dir, 1); |
3efd0bed | 261 | strbuf_add(&pattern, cond, cond_len); |
908857a9 | 262 | prefix = prepare_include_condition_pattern(kvi, &pattern); |
3efd0bed | 263 | |
0624c63c | 264 | again: |
3efd0bed NTND |
265 | if (prefix < 0) |
266 | goto done; | |
267 | ||
268 | if (prefix > 0) { | |
269 | /* | |
270 | * perform literal matching on the prefix part so that | |
271 | * any wildcard character in it can't create side effects. | |
272 | */ | |
273 | if (text.len < prefix) | |
274 | goto done; | |
275 | if (!icase && strncmp(pattern.buf, text.buf, prefix)) | |
276 | goto done; | |
277 | if (icase && strncasecmp(pattern.buf, text.buf, prefix)) | |
278 | goto done; | |
279 | } | |
280 | ||
281 | ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, | |
19e7fdaa | 282 | WM_PATHNAME | (icase ? WM_CASEFOLD : 0)); |
3efd0bed | 283 | |
0624c63c ÆAB |
284 | if (!ret && !already_tried_absolute) { |
285 | /* | |
286 | * We've tried e.g. matching gitdir:~/work, but if | |
287 | * ~/work is a symlink to /mnt/storage/work | |
288 | * strbuf_realpath() will expand it, so the rule won't | |
289 | * match. Let's match against a | |
290 | * strbuf_add_absolute_path() version of the path, | |
291 | * which'll do the right thing | |
292 | */ | |
293 | strbuf_reset(&text); | |
294 | strbuf_add_absolute_path(&text, git_dir); | |
295 | already_tried_absolute = 1; | |
296 | goto again; | |
297 | } | |
3efd0bed NTND |
298 | done: |
299 | strbuf_release(&pattern); | |
300 | strbuf_release(&text); | |
301 | return ret; | |
302 | } | |
303 | ||
07b2c0ea DL |
304 | static int include_by_branch(const char *cond, size_t cond_len) |
305 | { | |
306 | int flags; | |
307 | int ret; | |
308 | struct strbuf pattern = STRBUF_INIT; | |
22932d91 | 309 | const char *refname = !the_repository->gitdir ? |
85fe0e80 | 310 | NULL : resolve_ref_unsafe("HEAD", 0, NULL, &flags); |
07b2c0ea DL |
311 | const char *shortname; |
312 | ||
313 | if (!refname || !(flags & REF_ISSYMREF) || | |
314 | !skip_prefix(refname, "refs/heads/", &shortname)) | |
315 | return 0; | |
316 | ||
317 | strbuf_add(&pattern, cond, cond_len); | |
318 | add_trailing_starstar_for_dir(&pattern); | |
319 | ret = !wildmatch(pattern.buf, shortname, WM_PATHNAME); | |
320 | strbuf_release(&pattern); | |
321 | return ret; | |
322 | } | |
323 | ||
a4e7e317 GC |
324 | static int add_remote_url(const char *var, const char *value, |
325 | const struct config_context *ctx UNUSED, void *data) | |
399b1984 JT |
326 | { |
327 | struct string_list *remote_urls = data; | |
328 | const char *remote_name; | |
329 | size_t remote_name_len; | |
330 | const char *key; | |
331 | ||
332 | if (!parse_config_key(var, "remote", &remote_name, &remote_name_len, | |
333 | &key) && | |
334 | remote_name && | |
335 | !strcmp(key, "url")) | |
336 | string_list_append(remote_urls, value); | |
337 | return 0; | |
338 | } | |
339 | ||
340 | static void populate_remote_urls(struct config_include_data *inc) | |
341 | { | |
342 | struct config_options opts; | |
343 | ||
399b1984 JT |
344 | opts = *inc->opts; |
345 | opts.unconditional_remote_url = 1; | |
346 | ||
399b1984 JT |
347 | inc->remote_urls = xmalloc(sizeof(*inc->remote_urls)); |
348 | string_list_init_dup(inc->remote_urls); | |
9b6b06c1 VD |
349 | config_with_options(add_remote_url, inc->remote_urls, |
350 | inc->config_source, inc->repo, &opts); | |
399b1984 JT |
351 | } |
352 | ||
5cf88fd8 | 353 | static int forbid_remote_url(const char *var, const char *value UNUSED, |
a4e7e317 | 354 | const struct config_context *ctx UNUSED, |
5cf88fd8 | 355 | void *data UNUSED) |
399b1984 JT |
356 | { |
357 | const char *remote_name; | |
358 | size_t remote_name_len; | |
359 | const char *key; | |
360 | ||
361 | if (!parse_config_key(var, "remote", &remote_name, &remote_name_len, | |
362 | &key) && | |
363 | remote_name && | |
364 | !strcmp(key, "url")) | |
365 | die(_("remote URLs cannot be configured in file directly or indirectly included by includeIf.hasconfig:remote.*.url")); | |
366 | return 0; | |
367 | } | |
368 | ||
369 | static int at_least_one_url_matches_glob(const char *glob, int glob_len, | |
370 | struct string_list *remote_urls) | |
371 | { | |
372 | struct strbuf pattern = STRBUF_INIT; | |
373 | struct string_list_item *url_item; | |
374 | int found = 0; | |
375 | ||
376 | strbuf_add(&pattern, glob, glob_len); | |
377 | for_each_string_list_item(url_item, remote_urls) { | |
378 | if (!wildmatch(pattern.buf, url_item->string, WM_PATHNAME)) { | |
379 | found = 1; | |
380 | break; | |
381 | } | |
382 | } | |
383 | strbuf_release(&pattern); | |
384 | return found; | |
385 | } | |
386 | ||
387 | static int include_by_remote_url(struct config_include_data *inc, | |
388 | const char *cond, size_t cond_len) | |
389 | { | |
390 | if (inc->opts->unconditional_remote_url) | |
391 | return 1; | |
392 | if (!inc->remote_urls) | |
393 | populate_remote_urls(inc); | |
394 | return at_least_one_url_matches_glob(cond, cond_len, | |
395 | inc->remote_urls); | |
396 | } | |
397 | ||
908857a9 | 398 | static int include_condition_is_true(const struct key_value_info *kvi, |
c97f3ed2 | 399 | struct config_include_data *inc, |
2185fde5 | 400 | const char *cond, size_t cond_len) |
3efd0bed | 401 | { |
399b1984 | 402 | const struct config_options *opts = inc->opts; |
3efd0bed NTND |
403 | |
404 | if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len)) | |
908857a9 | 405 | return include_by_gitdir(kvi, opts, cond, cond_len, 0); |
3efd0bed | 406 | else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len)) |
908857a9 | 407 | return include_by_gitdir(kvi, opts, cond, cond_len, 1); |
07b2c0ea DL |
408 | else if (skip_prefix_mem(cond, cond_len, "onbranch:", &cond, &cond_len)) |
409 | return include_by_branch(cond, cond_len); | |
399b1984 JT |
410 | else if (skip_prefix_mem(cond, cond_len, "hasconfig:remote.*.url:", &cond, |
411 | &cond_len)) | |
412 | return include_by_remote_url(inc, cond, cond_len); | |
3efd0bed NTND |
413 | |
414 | /* unknown conditionals are always false */ | |
415 | return 0; | |
416 | } | |
417 | ||
a4e7e317 GC |
418 | static int git_config_include(const char *var, const char *value, |
419 | const struct config_context *ctx, | |
420 | void *data) | |
9b25a0b5 JK |
421 | { |
422 | struct config_include_data *inc = data; | |
3efd0bed | 423 | const char *cond, *key; |
f5914f4b | 424 | size_t cond_len; |
9b25a0b5 JK |
425 | int ret; |
426 | ||
427 | /* | |
428 | * Pass along all values, including "include" directives; this makes it | |
429 | * possible to query information on the includes themselves. | |
430 | */ | |
809d8680 | 431 | ret = inc->fn(var, value, ctx, inc->data); |
9b25a0b5 JK |
432 | if (ret < 0) |
433 | return ret; | |
434 | ||
37007c3a | 435 | if (!strcmp(var, "include.path")) |
908857a9 | 436 | ret = handle_path_include(ctx->kvi, value, inc); |
3efd0bed NTND |
437 | |
438 | if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) && | |
908857a9 | 439 | cond && include_condition_is_true(ctx->kvi, inc, cond, cond_len) && |
399b1984 JT |
440 | !strcmp(key, "path")) { |
441 | config_fn_t old_fn = inc->fn; | |
442 | ||
443 | if (inc->opts->unconditional_remote_url) | |
444 | inc->fn = forbid_remote_url; | |
908857a9 | 445 | ret = handle_path_include(ctx->kvi, value, inc); |
399b1984 JT |
446 | inc->fn = old_fn; |
447 | } | |
3efd0bed | 448 | |
9b25a0b5 JK |
449 | return ret; |
450 | } | |
451 | ||
1ff21c05 | 452 | static void git_config_push_split_parameter(const char *key, const char *value) |
2b64fc89 JK |
453 | { |
454 | struct strbuf env = STRBUF_INIT; | |
455 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 456 | if (old && *old) { |
2b64fc89 JK |
457 | strbuf_addstr(&env, old); |
458 | strbuf_addch(&env, ' '); | |
459 | } | |
1ff21c05 PS |
460 | sq_quote_buf(&env, key); |
461 | strbuf_addch(&env, '='); | |
462 | if (value) | |
463 | sq_quote_buf(&env, value); | |
2b64fc89 JK |
464 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); |
465 | strbuf_release(&env); | |
466 | } | |
467 | ||
1ff21c05 PS |
468 | void git_config_push_parameter(const char *text) |
469 | { | |
470 | const char *value; | |
471 | ||
472 | /* | |
473 | * When we see: | |
474 | * | |
475 | * section.subsection=with=equals.key=value | |
476 | * | |
477 | * we cannot tell if it means: | |
478 | * | |
479 | * [section "subsection=with=equals"] | |
480 | * key = value | |
481 | * | |
482 | * or: | |
483 | * | |
484 | * [section] | |
485 | * subsection = with=equals.key=value | |
486 | * | |
487 | * We parse left-to-right for the first "=", meaning we'll prefer to | |
488 | * keep the value intact over the subsection. This is historical, but | |
489 | * also sensible since values are more likely to contain odd or | |
490 | * untrusted input than a section name. | |
491 | * | |
492 | * A missing equals is explicitly allowed (as a bool-only entry). | |
493 | */ | |
494 | value = strchr(text, '='); | |
495 | if (value) { | |
496 | char *key = xmemdupz(text, value - text); | |
497 | git_config_push_split_parameter(key, value + 1); | |
498 | free(key); | |
499 | } else { | |
500 | git_config_push_split_parameter(text, NULL); | |
501 | } | |
502 | } | |
503 | ||
ce81b1da PS |
504 | void git_config_push_env(const char *spec) |
505 | { | |
1ff21c05 | 506 | char *key; |
ce81b1da PS |
507 | const char *env_name; |
508 | const char *env_value; | |
509 | ||
510 | env_name = strrchr(spec, '='); | |
511 | if (!env_name) | |
512 | die(_("invalid config format: %s"), spec); | |
1ff21c05 | 513 | key = xmemdupz(spec, env_name - spec); |
ce81b1da PS |
514 | env_name++; |
515 | if (!*env_name) | |
516 | die(_("missing environment variable name for configuration '%.*s'"), | |
517 | (int)(env_name - spec - 1), spec); | |
518 | ||
519 | env_value = getenv(env_name); | |
520 | if (!env_value) | |
521 | die(_("missing environment variable '%s' for configuration '%.*s'"), | |
522 | env_name, (int)(env_name - spec - 1), spec); | |
523 | ||
1ff21c05 PS |
524 | git_config_push_split_parameter(key, env_value); |
525 | free(key); | |
ce81b1da PS |
526 | } |
527 | ||
ee98df3f JH |
528 | static inline int iskeychar(int c) |
529 | { | |
530 | return isalnum(c) || c == '-'; | |
531 | } | |
532 | ||
533 | /* | |
534 | * Auxiliary function to sanity-check and split the key into the section | |
535 | * identifier and variable name. | |
536 | * | |
537 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
538 | * -2 if there is no section name in the key. | |
539 | * | |
540 | * store_key - pointer to char* which will hold a copy of the key with | |
541 | * lowercase section and variable name | |
f011a965 | 542 | * baselen - pointer to size_t which will hold the length of the |
ee98df3f JH |
543 | * section + subsection part, can be NULL |
544 | */ | |
73c5f670 | 545 | int git_config_parse_key(const char *key, char **store_key, size_t *baselen_) |
ee98df3f | 546 | { |
f011a965 JK |
547 | size_t i, baselen; |
548 | int dot; | |
ee98df3f JH |
549 | const char *last_dot = strrchr(key, '.'); |
550 | ||
551 | /* | |
552 | * Since "key" actually contains the section name and the real | |
553 | * key name separated by a dot, we have to know where the dot is. | |
554 | */ | |
555 | ||
556 | if (last_dot == NULL || last_dot == key) { | |
73c5f670 | 557 | error(_("key does not contain a section: %s"), key); |
ee98df3f JH |
558 | return -CONFIG_NO_SECTION_OR_NAME; |
559 | } | |
560 | ||
561 | if (!last_dot[1]) { | |
73c5f670 | 562 | error(_("key does not contain variable name: %s"), key); |
ee98df3f JH |
563 | return -CONFIG_NO_SECTION_OR_NAME; |
564 | } | |
565 | ||
566 | baselen = last_dot - key; | |
567 | if (baselen_) | |
568 | *baselen_ = baselen; | |
569 | ||
570 | /* | |
571 | * Validate the key and while at it, lower case it for matching. | |
572 | */ | |
73c5f670 | 573 | *store_key = xmallocz(strlen(key)); |
ee98df3f JH |
574 | |
575 | dot = 0; | |
576 | for (i = 0; key[i]; i++) { | |
577 | unsigned char c = key[i]; | |
578 | if (c == '.') | |
579 | dot = 1; | |
580 | /* Leave the extended basename untouched.. */ | |
581 | if (!dot || i > baselen) { | |
582 | if (!iskeychar(c) || | |
583 | (i == baselen + 1 && !isalpha(c))) { | |
73c5f670 | 584 | error(_("invalid key: %s"), key); |
ee98df3f JH |
585 | goto out_free_ret_1; |
586 | } | |
587 | c = tolower(c); | |
588 | } else if (c == '\n') { | |
73c5f670 | 589 | error(_("invalid key (newline): %s"), key); |
ee98df3f JH |
590 | goto out_free_ret_1; |
591 | } | |
73c5f670 | 592 | (*store_key)[i] = c; |
ee98df3f JH |
593 | } |
594 | ||
595 | return 0; | |
596 | ||
597 | out_free_ret_1: | |
73c5f670 | 598 | FREE_AND_NULL(*store_key); |
ee98df3f JH |
599 | return -CONFIG_INVALID_KEY; |
600 | } | |
601 | ||
b342ae61 | 602 | static int config_parse_pair(const char *key, const char *value, |
26b66932 GC |
603 | struct key_value_info *kvi, |
604 | config_fn_t fn, void *data) | |
b342ae61 PS |
605 | { |
606 | char *canonical_name; | |
607 | int ret; | |
26b66932 GC |
608 | struct config_context ctx = { |
609 | .kvi = kvi, | |
610 | }; | |
b342ae61 PS |
611 | |
612 | if (!strlen(key)) | |
613 | return error(_("empty config key")); | |
614 | if (git_config_parse_key(key, &canonical_name, NULL)) | |
615 | return -1; | |
616 | ||
26b66932 | 617 | ret = (fn(canonical_name, value, &ctx, data) < 0) ? -1 : 0; |
b342ae61 PS |
618 | free(canonical_name); |
619 | return ret; | |
620 | } | |
621 | ||
26b66932 GC |
622 | |
623 | /* for values read from `git_config_from_parameters()` */ | |
624 | void kvi_from_param(struct key_value_info *out) | |
625 | { | |
626 | out->filename = NULL; | |
627 | out->linenr = -1; | |
628 | out->origin_type = CONFIG_ORIGIN_CMDLINE; | |
629 | out->scope = CONFIG_SCOPE_COMMAND; | |
908857a9 | 630 | out->path = NULL; |
26b66932 GC |
631 | } |
632 | ||
2496844b JK |
633 | int git_config_parse_parameter(const char *text, |
634 | config_fn_t fn, void *data) | |
8b1fa778 | 635 | { |
a789ca70 | 636 | const char *value; |
572e4f6a | 637 | struct strbuf **pair; |
1274a155 | 638 | int ret; |
26b66932 GC |
639 | struct key_value_info kvi = KVI_INIT; |
640 | ||
641 | kvi_from_param(&kvi); | |
a789ca70 | 642 | |
f77bccae | 643 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b | 644 | if (!pair[0]) |
a769bfc7 | 645 | return error(_("bogus config parameter: %s"), text); |
a789ca70 JH |
646 | |
647 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 648 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
649 | value = pair[1] ? pair[1]->buf : ""; |
650 | } else { | |
651 | value = NULL; | |
652 | } | |
653 | ||
572e4f6a AR |
654 | strbuf_trim(pair[0]); |
655 | if (!pair[0]->len) { | |
656 | strbuf_list_free(pair); | |
a769bfc7 | 657 | return error(_("bogus config parameter: %s"), text); |
8b1fa778 | 658 | } |
1274a155 | 659 | |
26b66932 | 660 | ret = config_parse_pair(pair[0]->buf, value, &kvi, fn, data); |
572e4f6a | 661 | strbuf_list_free(pair); |
1274a155 | 662 | return ret; |
8b1fa778 AR |
663 | } |
664 | ||
26b66932 GC |
665 | static int parse_config_env_list(char *env, struct key_value_info *kvi, |
666 | config_fn_t fn, void *data) | |
f9dbb64f JK |
667 | { |
668 | char *cur = env; | |
669 | while (cur && *cur) { | |
670 | const char *key = sq_dequote_step(cur, &cur); | |
671 | if (!key) | |
672 | return error(_("bogus format in %s"), | |
673 | CONFIG_DATA_ENVIRONMENT); | |
674 | ||
675 | if (!cur || isspace(*cur)) { | |
676 | /* old-style 'key=value' */ | |
677 | if (git_config_parse_parameter(key, fn, data) < 0) | |
678 | return -1; | |
679 | } | |
680 | else if (*cur == '=') { | |
681 | /* new-style 'key'='value' */ | |
682 | const char *value; | |
683 | ||
684 | cur++; | |
685 | if (*cur == '\'') { | |
686 | /* quoted value */ | |
687 | value = sq_dequote_step(cur, &cur); | |
688 | if (!value || (cur && !isspace(*cur))) { | |
689 | return error(_("bogus format in %s"), | |
690 | CONFIG_DATA_ENVIRONMENT); | |
691 | } | |
692 | } else if (!*cur || isspace(*cur)) { | |
693 | /* implicit bool: 'key'= */ | |
694 | value = NULL; | |
695 | } else { | |
696 | return error(_("bogus format in %s"), | |
697 | CONFIG_DATA_ENVIRONMENT); | |
698 | } | |
699 | ||
26b66932 | 700 | if (config_parse_pair(key, value, kvi, fn, data) < 0) |
f9dbb64f JK |
701 | return -1; |
702 | } | |
703 | else { | |
704 | /* unknown format */ | |
705 | return error(_("bogus format in %s"), | |
706 | CONFIG_DATA_ENVIRONMENT); | |
707 | } | |
708 | ||
709 | if (cur) { | |
710 | while (isspace(*cur)) | |
711 | cur++; | |
712 | } | |
713 | } | |
714 | return 0; | |
715 | } | |
716 | ||
06eb708f JK |
717 | int git_config_from_parameters(config_fn_t fn, void *data) |
718 | { | |
d8d77153 PS |
719 | const char *env; |
720 | struct strbuf envvar = STRBUF_INIT; | |
721 | struct strvec to_free = STRVEC_INIT; | |
a77d6db6 | 722 | int ret = 0; |
d8d77153 | 723 | char *envw = NULL; |
26b66932 | 724 | struct key_value_info kvi = KVI_INIT; |
3258258f | 725 | |
26b66932 | 726 | kvi_from_param(&kvi); |
d8d77153 PS |
727 | env = getenv(CONFIG_COUNT_ENVIRONMENT); |
728 | if (env) { | |
729 | unsigned long count; | |
730 | char *endp; | |
731 | int i; | |
2b64fc89 | 732 | |
d8d77153 PS |
733 | count = strtoul(env, &endp, 10); |
734 | if (*endp) { | |
735 | ret = error(_("bogus count in %s"), CONFIG_COUNT_ENVIRONMENT); | |
736 | goto out; | |
737 | } | |
738 | if (count > INT_MAX) { | |
739 | ret = error(_("too many entries in %s"), CONFIG_COUNT_ENVIRONMENT); | |
740 | goto out; | |
741 | } | |
742 | ||
743 | for (i = 0; i < count; i++) { | |
744 | const char *key, *value; | |
745 | ||
746 | strbuf_addf(&envvar, "GIT_CONFIG_KEY_%d", i); | |
747 | key = getenv_safe(&to_free, envvar.buf); | |
748 | if (!key) { | |
749 | ret = error(_("missing config key %s"), envvar.buf); | |
750 | goto out; | |
751 | } | |
752 | strbuf_reset(&envvar); | |
753 | ||
754 | strbuf_addf(&envvar, "GIT_CONFIG_VALUE_%d", i); | |
755 | value = getenv_safe(&to_free, envvar.buf); | |
756 | if (!value) { | |
757 | ret = error(_("missing config value %s"), envvar.buf); | |
758 | goto out; | |
759 | } | |
760 | strbuf_reset(&envvar); | |
761 | ||
26b66932 | 762 | if (config_parse_pair(key, value, &kvi, fn, data) < 0) { |
d8d77153 PS |
763 | ret = -1; |
764 | goto out; | |
765 | } | |
766 | } | |
2b64fc89 JK |
767 | } |
768 | ||
d8d77153 PS |
769 | env = getenv(CONFIG_DATA_ENVIRONMENT); |
770 | if (env) { | |
771 | /* sq_dequote will write over it */ | |
772 | envw = xstrdup(env); | |
26b66932 | 773 | if (parse_config_env_list(envw, &kvi, fn, data) < 0) { |
a77d6db6 JK |
774 | ret = -1; |
775 | goto out; | |
2b64fc89 JK |
776 | } |
777 | } | |
778 | ||
a77d6db6 | 779 | out: |
d8d77153 PS |
780 | strbuf_release(&envvar); |
781 | strvec_clear(&to_free); | |
2b64fc89 | 782 | free(envw); |
a77d6db6 | 783 | return ret; |
2b64fc89 JK |
784 | } |
785 | ||
9b4a6553 | 786 | static int get_next_char(struct config_source *cs) |
17712991 | 787 | { |
9b4a6553 | 788 | int c = cs->do_fgetc(cs); |
17712991 | 789 | |
dbb9a812 HV |
790 | if (c == '\r') { |
791 | /* DOS like systems */ | |
9b4a6553 | 792 | c = cs->do_fgetc(cs); |
dbb9a812 | 793 | if (c != '\n') { |
5e0be134 | 794 | if (c != EOF) |
9b4a6553 | 795 | cs->do_ungetc(c, cs); |
dbb9a812 | 796 | c = '\r'; |
17712991 LT |
797 | } |
798 | } | |
348482de | 799 | |
9b4a6553 | 800 | if (c != EOF && ++cs->total_len > INT_MAX) { |
348482de JK |
801 | /* |
802 | * This is an absurdly long config file; refuse to parse | |
803 | * further in order to protect downstream code from integer | |
804 | * overflows. Note that we can't return an error specifically, | |
805 | * but we can mark EOF and put trash in the return value, | |
806 | * which will trigger a parse error. | |
807 | */ | |
9b4a6553 | 808 | cs->eof = 1; |
348482de JK |
809 | return 0; |
810 | } | |
811 | ||
dbb9a812 | 812 | if (c == '\n') |
9b4a6553 | 813 | cs->linenr++; |
dbb9a812 | 814 | if (c == EOF) { |
9b4a6553 GC |
815 | cs->eof = 1; |
816 | cs->linenr++; | |
dbb9a812 HV |
817 | c = '\n'; |
818 | } | |
17712991 LT |
819 | return c; |
820 | } | |
821 | ||
9b4a6553 | 822 | static char *parse_value(struct config_source *cs) |
17712991 | 823 | { |
e96c19c5 | 824 | int quote = 0, comment = 0, space = 0; |
17712991 | 825 | |
9b4a6553 | 826 | strbuf_reset(&cs->value); |
17712991 | 827 | for (;;) { |
9b4a6553 | 828 | int c = get_next_char(cs); |
17712991 | 829 | if (c == '\n') { |
4b340593 | 830 | if (quote) { |
9b4a6553 | 831 | cs->linenr--; |
17712991 | 832 | return NULL; |
4b340593 | 833 | } |
9b4a6553 | 834 | return cs->value.buf; |
17712991 LT |
835 | } |
836 | if (comment) | |
837 | continue; | |
838 | if (isspace(c) && !quote) { | |
9b4a6553 | 839 | if (cs->value.len) |
ebdaae37 | 840 | space++; |
17712991 LT |
841 | continue; |
842 | } | |
7ebdba61 JS |
843 | if (!quote) { |
844 | if (c == ';' || c == '#') { | |
845 | comment = 1; | |
846 | continue; | |
847 | } | |
848 | } | |
ebdaae37 | 849 | for (; space; space--) |
9b4a6553 | 850 | strbuf_addch(&cs->value, ' '); |
17712991 | 851 | if (c == '\\') { |
9b4a6553 | 852 | c = get_next_char(cs); |
17712991 LT |
853 | switch (c) { |
854 | case '\n': | |
855 | continue; | |
856 | case 't': | |
857 | c = '\t'; | |
858 | break; | |
859 | case 'b': | |
860 | c = '\b'; | |
861 | break; | |
862 | case 'n': | |
863 | c = '\n'; | |
864 | break; | |
5cbb401d LT |
865 | /* Some characters escape as themselves */ |
866 | case '\\': case '"': | |
867 | break; | |
868 | /* Reject unknown escape sequences */ | |
869 | default: | |
870 | return NULL; | |
17712991 | 871 | } |
9b4a6553 | 872 | strbuf_addch(&cs->value, c); |
17712991 LT |
873 | continue; |
874 | } | |
875 | if (c == '"') { | |
876 | quote = 1-quote; | |
877 | continue; | |
878 | } | |
9b4a6553 | 879 | strbuf_addch(&cs->value, c); |
17712991 LT |
880 | } |
881 | } | |
882 | ||
809d8680 GC |
883 | static int get_value(struct config_source *cs, struct key_value_info *kvi, |
884 | config_fn_t fn, void *data, struct strbuf *name) | |
17712991 LT |
885 | { |
886 | int c; | |
887 | char *value; | |
b3b3f60b | 888 | int ret; |
809d8680 GC |
889 | struct config_context ctx = { |
890 | .kvi = kvi, | |
891 | }; | |
17712991 LT |
892 | |
893 | /* Get the full name */ | |
894 | for (;;) { | |
9b4a6553 GC |
895 | c = get_next_char(cs); |
896 | if (cs->eof) | |
17712991 | 897 | break; |
38c5afa8 | 898 | if (!iskeychar(c)) |
17712991 | 899 | break; |
0971e992 | 900 | strbuf_addch(name, tolower(c)); |
17712991 | 901 | } |
0971e992 | 902 | |
17712991 | 903 | while (c == ' ' || c == '\t') |
9b4a6553 | 904 | c = get_next_char(cs); |
17712991 LT |
905 | |
906 | value = NULL; | |
907 | if (c != '\n') { | |
908 | if (c != '=') | |
909 | return -1; | |
9b4a6553 | 910 | value = parse_value(cs); |
17712991 LT |
911 | if (!value) |
912 | return -1; | |
913 | } | |
b3b3f60b MM |
914 | /* |
915 | * We already consumed the \n, but we need linenr to point to | |
916 | * the line we just parsed during the call to fn to get | |
917 | * accurate line number in error messages. | |
918 | */ | |
9b4a6553 | 919 | cs->linenr--; |
809d8680 GC |
920 | kvi->linenr = cs->linenr; |
921 | ret = fn(name->buf, value, &ctx, data); | |
e2e14251 | 922 | if (ret >= 0) |
9b4a6553 | 923 | cs->linenr++; |
b3b3f60b | 924 | return ret; |
17712991 LT |
925 | } |
926 | ||
9b4a6553 | 927 | static int get_extended_base_var(struct config_source *cs, struct strbuf *name, |
c97f3ed2 | 928 | int c) |
d14f7764 | 929 | { |
9b4a6553 | 930 | cs->subsection_case_sensitive = 0; |
d14f7764 LT |
931 | do { |
932 | if (c == '\n') | |
4b340593 | 933 | goto error_incomplete_line; |
9b4a6553 | 934 | c = get_next_char(cs); |
d14f7764 LT |
935 | } while (isspace(c)); |
936 | ||
937 | /* We require the format to be '[base "extension"]' */ | |
938 | if (c != '"') | |
939 | return -1; | |
0971e992 | 940 | strbuf_addch(name, '.'); |
d14f7764 LT |
941 | |
942 | for (;;) { | |
9b4a6553 | 943 | int c = get_next_char(cs); |
d14f7764 | 944 | if (c == '\n') |
4b340593 | 945 | goto error_incomplete_line; |
d14f7764 LT |
946 | if (c == '"') |
947 | break; | |
948 | if (c == '\\') { | |
9b4a6553 | 949 | c = get_next_char(cs); |
d14f7764 | 950 | if (c == '\n') |
4b340593 | 951 | goto error_incomplete_line; |
d14f7764 | 952 | } |
0971e992 | 953 | strbuf_addch(name, c); |
d14f7764 LT |
954 | } |
955 | ||
956 | /* Final ']' */ | |
9b4a6553 | 957 | if (get_next_char(cs) != ']') |
d14f7764 | 958 | return -1; |
0971e992 | 959 | return 0; |
4b340593 | 960 | error_incomplete_line: |
9b4a6553 | 961 | cs->linenr--; |
4b340593 | 962 | return -1; |
d14f7764 LT |
963 | } |
964 | ||
9b4a6553 | 965 | static int get_base_var(struct config_source *cs, struct strbuf *name) |
17712991 | 966 | { |
9b4a6553 | 967 | cs->subsection_case_sensitive = 1; |
17712991 | 968 | for (;;) { |
9b4a6553 GC |
969 | int c = get_next_char(cs); |
970 | if (cs->eof) | |
17712991 LT |
971 | return -1; |
972 | if (c == ']') | |
0971e992 | 973 | return 0; |
d14f7764 | 974 | if (isspace(c)) |
9b4a6553 | 975 | return get_extended_base_var(cs, name, c); |
38c5afa8 | 976 | if (!iskeychar(c) && c != '.') |
17712991 | 977 | return -1; |
0971e992 | 978 | strbuf_addch(name, tolower(c)); |
17712991 LT |
979 | } |
980 | } | |
981 | ||
8032cc44 JS |
982 | struct parse_event_data { |
983 | enum config_event_t previous_type; | |
984 | size_t previous_offset; | |
985 | const struct config_options *opts; | |
986 | }; | |
987 | ||
9b4a6553 | 988 | static int do_event(struct config_source *cs, enum config_event_t type, |
c97f3ed2 | 989 | struct parse_event_data *data) |
8032cc44 JS |
990 | { |
991 | size_t offset; | |
992 | ||
993 | if (!data->opts || !data->opts->event_fn) | |
994 | return 0; | |
995 | ||
996 | if (type == CONFIG_EVENT_WHITESPACE && | |
997 | data->previous_type == type) | |
998 | return 0; | |
999 | ||
9b4a6553 | 1000 | offset = cs->do_ftell(cs); |
8032cc44 JS |
1001 | /* |
1002 | * At EOF, the parser always "inserts" an extra '\n', therefore | |
1003 | * the end offset of the event is the current file position, otherwise | |
1004 | * we will already have advanced to the next event. | |
1005 | */ | |
1006 | if (type != CONFIG_EVENT_EOF) | |
1007 | offset--; | |
1008 | ||
1009 | if (data->previous_type != CONFIG_EVENT_EOF && | |
1010 | data->opts->event_fn(data->previous_type, data->previous_offset, | |
6e8e7981 | 1011 | offset, cs, data->opts->event_fn_data) < 0) |
8032cc44 JS |
1012 | return -1; |
1013 | ||
1014 | data->previous_type = type; | |
1015 | data->previous_offset = offset; | |
1016 | ||
1017 | return 0; | |
1018 | } | |
1019 | ||
809d8680 GC |
1020 | static void kvi_from_source(struct config_source *cs, |
1021 | enum config_scope scope, | |
1022 | struct key_value_info *out) | |
1023 | { | |
1024 | out->filename = strintern(cs->name); | |
1025 | out->origin_type = cs->origin_type; | |
1026 | out->linenr = cs->linenr; | |
1027 | out->scope = scope; | |
908857a9 | 1028 | out->path = cs->path; |
809d8680 GC |
1029 | } |
1030 | ||
9b4a6553 | 1031 | static int git_parse_source(struct config_source *cs, config_fn_t fn, |
809d8680 GC |
1032 | struct key_value_info *kvi, void *data, |
1033 | const struct config_options *opts) | |
17712991 LT |
1034 | { |
1035 | int comment = 0; | |
6a9c235e | 1036 | size_t baselen = 0; |
9b4a6553 | 1037 | struct strbuf *var = &cs->var; |
1b8132d9 VA |
1038 | int error_return = 0; |
1039 | char *error_msg = NULL; | |
17712991 | 1040 | |
de056402 | 1041 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 1042 | const char *bomptr = utf8_bom; |
de056402 | 1043 | |
8032cc44 JS |
1044 | /* For the parser event callback */ |
1045 | struct parse_event_data event_data = { | |
1046 | CONFIG_EVENT_EOF, 0, opts | |
1047 | }; | |
1048 | ||
17712991 | 1049 | for (;;) { |
8032cc44 JS |
1050 | int c; |
1051 | ||
9b4a6553 | 1052 | c = get_next_char(cs); |
de056402 PB |
1053 | if (bomptr && *bomptr) { |
1054 | /* We are at the file beginning; skip UTF8-encoded BOM | |
1055 | * if present. Sane editors won't put this in on their | |
1056 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 1057 | if (c == (*bomptr & 0377)) { |
de056402 PB |
1058 | bomptr++; |
1059 | continue; | |
1060 | } else { | |
1061 | /* Do not tolerate partial BOM. */ | |
1062 | if (bomptr != utf8_bom) | |
1063 | break; | |
1064 | /* No BOM at file beginning. Cool. */ | |
1065 | bomptr = NULL; | |
1066 | } | |
1067 | } | |
17712991 | 1068 | if (c == '\n') { |
9b4a6553 GC |
1069 | if (cs->eof) { |
1070 | if (do_event(cs, CONFIG_EVENT_EOF, &event_data) < 0) | |
8032cc44 | 1071 | return -1; |
17712991 | 1072 | return 0; |
8032cc44 | 1073 | } |
9b4a6553 | 1074 | if (do_event(cs, CONFIG_EVENT_WHITESPACE, &event_data) < 0) |
8032cc44 | 1075 | return -1; |
17712991 LT |
1076 | comment = 0; |
1077 | continue; | |
1078 | } | |
8032cc44 | 1079 | if (comment) |
17712991 | 1080 | continue; |
8032cc44 | 1081 | if (isspace(c)) { |
9b4a6553 | 1082 | if (do_event(cs, CONFIG_EVENT_WHITESPACE, &event_data) < 0) |
8032cc44 | 1083 | return -1; |
17712991 | 1084 | continue; |
8032cc44 | 1085 | } |
17712991 | 1086 | if (c == '#' || c == ';') { |
9b4a6553 | 1087 | if (do_event(cs, CONFIG_EVENT_COMMENT, &event_data) < 0) |
8032cc44 | 1088 | return -1; |
17712991 LT |
1089 | comment = 1; |
1090 | continue; | |
1091 | } | |
1092 | if (c == '[') { | |
9b4a6553 | 1093 | if (do_event(cs, CONFIG_EVENT_SECTION, &event_data) < 0) |
8032cc44 JS |
1094 | return -1; |
1095 | ||
0971e992 BW |
1096 | /* Reset prior to determining a new stem */ |
1097 | strbuf_reset(var); | |
9b4a6553 | 1098 | if (get_base_var(cs, var) < 0 || var->len < 1) |
17712991 | 1099 | break; |
0971e992 BW |
1100 | strbuf_addch(var, '.'); |
1101 | baselen = var->len; | |
17712991 LT |
1102 | continue; |
1103 | } | |
1104 | if (!isalpha(c)) | |
1105 | break; | |
8032cc44 | 1106 | |
9b4a6553 | 1107 | if (do_event(cs, CONFIG_EVENT_ENTRY, &event_data) < 0) |
8032cc44 JS |
1108 | return -1; |
1109 | ||
0971e992 BW |
1110 | /* |
1111 | * Truncate the var name back to the section header | |
1112 | * stem prior to grabbing the suffix part of the name | |
1113 | * and the value. | |
1114 | */ | |
1115 | strbuf_setlen(var, baselen); | |
1116 | strbuf_addch(var, tolower(c)); | |
809d8680 | 1117 | if (get_value(cs, kvi, fn, data, var) < 0) |
17712991 LT |
1118 | break; |
1119 | } | |
1b8132d9 | 1120 | |
9b4a6553 | 1121 | if (do_event(cs, CONFIG_EVENT_ERROR, &event_data) < 0) |
8032cc44 JS |
1122 | return -1; |
1123 | ||
9b4a6553 | 1124 | switch (cs->origin_type) { |
1b8132d9 VA |
1125 | case CONFIG_ORIGIN_BLOB: |
1126 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
9b4a6553 | 1127 | cs->linenr, cs->name); |
1b8132d9 VA |
1128 | break; |
1129 | case CONFIG_ORIGIN_FILE: | |
1130 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
9b4a6553 | 1131 | cs->linenr, cs->name); |
1b8132d9 VA |
1132 | break; |
1133 | case CONFIG_ORIGIN_STDIN: | |
1134 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
9b4a6553 | 1135 | cs->linenr); |
1b8132d9 VA |
1136 | break; |
1137 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
1138 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
9b4a6553 | 1139 | cs->linenr, cs->name); |
1b8132d9 VA |
1140 | break; |
1141 | case CONFIG_ORIGIN_CMDLINE: | |
1142 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
9b4a6553 | 1143 | cs->linenr, cs->name); |
1b8132d9 VA |
1144 | break; |
1145 | default: | |
1146 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
9b4a6553 | 1147 | cs->linenr, cs->name); |
1b8132d9 VA |
1148 | } |
1149 | ||
66f97228 JK |
1150 | switch (opts && opts->error_action ? |
1151 | opts->error_action : | |
9b4a6553 | 1152 | cs->default_error_action) { |
66f97228 | 1153 | case CONFIG_ERROR_DIE: |
1b8132d9 | 1154 | die("%s", error_msg); |
66f97228 JK |
1155 | break; |
1156 | case CONFIG_ERROR_ERROR: | |
1b8132d9 | 1157 | error_return = error("%s", error_msg); |
66f97228 | 1158 | break; |
63583203 JK |
1159 | case CONFIG_ERROR_SILENT: |
1160 | error_return = -1; | |
1161 | break; | |
66f97228 JK |
1162 | case CONFIG_ERROR_UNSET: |
1163 | BUG("config error action unset"); | |
1164 | } | |
1b8132d9 VA |
1165 | |
1166 | free(error_msg); | |
1167 | return error_return; | |
17712991 LT |
1168 | } |
1169 | ||
06bdc23b | 1170 | NORETURN |
8868b1eb GC |
1171 | static void die_bad_number(const char *name, const char *value, |
1172 | const struct key_value_info *kvi) | |
c1867cea | 1173 | { |
2e43cd4c ÆAB |
1174 | const char *error_type = (errno == ERANGE) ? |
1175 | N_("out of range") : N_("invalid unit"); | |
1176 | const char *bad_numeric = N_("bad numeric config value '%s' for '%s': %s"); | |
8868b1eb GC |
1177 | |
1178 | if (!kvi) | |
1179 | BUG("kvi should not be NULL"); | |
078fe305 | 1180 | |
2f666581 JK |
1181 | if (!value) |
1182 | value = ""; | |
1183 | ||
8868b1eb | 1184 | if (!kvi->filename) |
2e43cd4c | 1185 | die(_(bad_numeric), value, name, _(error_type)); |
1b8132d9 | 1186 | |
8868b1eb | 1187 | switch (kvi->origin_type) { |
1b8132d9 | 1188 | case CONFIG_ORIGIN_BLOB: |
078fe305 | 1189 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
8868b1eb | 1190 | value, name, kvi->filename, _(error_type)); |
1b8132d9 | 1191 | case CONFIG_ORIGIN_FILE: |
078fe305 | 1192 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
8868b1eb | 1193 | value, name, kvi->filename, _(error_type)); |
1b8132d9 | 1194 | case CONFIG_ORIGIN_STDIN: |
078fe305 | 1195 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
2e43cd4c | 1196 | value, name, _(error_type)); |
1b8132d9 | 1197 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 | 1198 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
8868b1eb | 1199 | value, name, kvi->filename, _(error_type)); |
1b8132d9 | 1200 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 | 1201 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
8868b1eb | 1202 | value, name, kvi->filename, _(error_type)); |
1b8132d9 | 1203 | default: |
078fe305 | 1204 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
8868b1eb | 1205 | value, name, kvi->filename, _(error_type)); |
1b8132d9 | 1206 | } |
c1867cea JK |
1207 | } |
1208 | ||
8868b1eb GC |
1209 | int git_config_int(const char *name, const char *value, |
1210 | const struct key_value_info *kvi) | |
0b87b6e0 | 1211 | { |
42d194e9 JK |
1212 | int ret; |
1213 | if (!git_parse_int(value, &ret)) | |
8868b1eb | 1214 | die_bad_number(name, value, kvi); |
0b87b6e0 BD |
1215 | return ret; |
1216 | } | |
1217 | ||
8868b1eb GC |
1218 | int64_t git_config_int64(const char *name, const char *value, |
1219 | const struct key_value_info *kvi) | |
00160242 JK |
1220 | { |
1221 | int64_t ret; | |
1222 | if (!git_parse_int64(value, &ret)) | |
8868b1eb | 1223 | die_bad_number(name, value, kvi); |
0b87b6e0 BD |
1224 | return ret; |
1225 | } | |
1226 | ||
8868b1eb GC |
1227 | unsigned long git_config_ulong(const char *name, const char *value, |
1228 | const struct key_value_info *kvi) | |
0b87b6e0 BD |
1229 | { |
1230 | unsigned long ret; | |
1231 | if (!git_parse_ulong(value, &ret)) | |
8868b1eb | 1232 | die_bad_number(name, value, kvi); |
0b87b6e0 | 1233 | return ret; |
17712991 LT |
1234 | } |
1235 | ||
8868b1eb GC |
1236 | ssize_t git_config_ssize_t(const char *name, const char *value, |
1237 | const struct key_value_info *kvi) | |
37ee680d DT |
1238 | { |
1239 | ssize_t ret; | |
1240 | if (!git_parse_ssize_t(value, &ret)) | |
8868b1eb | 1241 | die_bad_number(name, value, kvi); |
37ee680d DT |
1242 | return ret; |
1243 | } | |
1244 | ||
844a8ad4 NS |
1245 | static const struct fsync_component_name { |
1246 | const char *name; | |
1247 | enum fsync_component component_bits; | |
1248 | } fsync_component_names[] = { | |
1249 | { "loose-object", FSYNC_COMPONENT_LOOSE_OBJECT }, | |
1250 | { "pack", FSYNC_COMPONENT_PACK }, | |
1251 | { "pack-metadata", FSYNC_COMPONENT_PACK_METADATA }, | |
1252 | { "commit-graph", FSYNC_COMPONENT_COMMIT_GRAPH }, | |
ba95e96d | 1253 | { "index", FSYNC_COMPONENT_INDEX }, |
b9f5d035 | 1254 | { "objects", FSYNC_COMPONENTS_OBJECTS }, |
bc22d845 | 1255 | { "reference", FSYNC_COMPONENT_REFERENCE }, |
b9f5d035 NS |
1256 | { "derived-metadata", FSYNC_COMPONENTS_DERIVED_METADATA }, |
1257 | { "committed", FSYNC_COMPONENTS_COMMITTED }, | |
1258 | { "added", FSYNC_COMPONENTS_ADDED }, | |
1259 | { "all", FSYNC_COMPONENTS_ALL }, | |
844a8ad4 NS |
1260 | }; |
1261 | ||
1262 | static enum fsync_component parse_fsync_components(const char *var, const char *string) | |
1263 | { | |
8a94d833 | 1264 | enum fsync_component current = FSYNC_COMPONENTS_PLATFORM_DEFAULT; |
844a8ad4 NS |
1265 | enum fsync_component positive = 0, negative = 0; |
1266 | ||
1267 | while (string) { | |
1268 | int i; | |
1269 | size_t len; | |
1270 | const char *ep; | |
1271 | int negated = 0; | |
1272 | int found = 0; | |
1273 | ||
1274 | string = string + strspn(string, ", \t\n\r"); | |
1275 | ep = strchrnul(string, ','); | |
1276 | len = ep - string; | |
1277 | if (!strcmp(string, "none")) { | |
1278 | current = FSYNC_COMPONENT_NONE; | |
1279 | goto next_name; | |
1280 | } | |
1281 | ||
1282 | if (*string == '-') { | |
1283 | negated = 1; | |
1284 | string++; | |
1285 | len--; | |
1286 | if (!len) | |
1287 | warning(_("invalid value for variable %s"), var); | |
1288 | } | |
1289 | ||
1290 | if (!len) | |
1291 | break; | |
1292 | ||
1293 | for (i = 0; i < ARRAY_SIZE(fsync_component_names); ++i) { | |
1294 | const struct fsync_component_name *n = &fsync_component_names[i]; | |
1295 | ||
1296 | if (strncmp(n->name, string, len)) | |
1297 | continue; | |
1298 | ||
1299 | found = 1; | |
1300 | if (negated) | |
1301 | negative |= n->component_bits; | |
1302 | else | |
1303 | positive |= n->component_bits; | |
1304 | } | |
1305 | ||
1306 | if (!found) { | |
1307 | char *component = xstrndup(string, len); | |
1308 | warning(_("ignoring unknown core.fsync component '%s'"), component); | |
1309 | free(component); | |
1310 | } | |
1311 | ||
1312 | next_name: | |
1313 | string = ep; | |
1314 | } | |
1315 | ||
1316 | return (current & ~negative) | positive; | |
1317 | } | |
1318 | ||
8868b1eb GC |
1319 | int git_config_bool_or_int(const char *name, const char *value, |
1320 | const struct key_value_info *kvi, int *is_bool) | |
8420ccd8 | 1321 | { |
9be04d64 | 1322 | int v = git_parse_maybe_bool_text(value); |
8420ccd8 JH |
1323 | if (0 <= v) { |
1324 | *is_bool = 1; | |
1325 | return v; | |
1326 | } | |
a53f2ec6 | 1327 | *is_bool = 0; |
8868b1eb | 1328 | return git_config_int(name, value, kvi); |
17712991 LT |
1329 | } |
1330 | ||
a53f2ec6 JH |
1331 | int git_config_bool(const char *name, const char *value) |
1332 | { | |
f276e2a4 AK |
1333 | int v = git_parse_maybe_bool(value); |
1334 | if (v < 0) | |
39e12650 | 1335 | die(_("bad boolean config value '%s' for '%s'"), value, name); |
f276e2a4 | 1336 | return v; |
a53f2ec6 JH |
1337 | } |
1338 | ||
ea5105a5 CC |
1339 | int git_config_string(const char **dest, const char *var, const char *value) |
1340 | { | |
1341 | if (!value) | |
1342 | return config_error_nonbool(var); | |
1343 | *dest = xstrdup(value); | |
1344 | return 0; | |
1345 | } | |
1346 | ||
395de250 MM |
1347 | int git_config_pathname(const char **dest, const char *var, const char *value) |
1348 | { | |
1349 | if (!value) | |
1350 | return config_error_nonbool(var); | |
a03b097d | 1351 | *dest = interpolate_path(value, 0); |
395de250 | 1352 | if (!*dest) |
8262aaa2 | 1353 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
1354 | return 0; |
1355 | } | |
1356 | ||
5f967424 HM |
1357 | int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value) |
1358 | { | |
1359 | if (!value) | |
1360 | return config_error_nonbool(var); | |
1361 | if (parse_expiry_date(value, timestamp)) | |
1362 | return error(_("'%s' for '%s' is not a valid timestamp"), | |
1363 | value, var); | |
1364 | return 0; | |
1365 | } | |
1366 | ||
6d2f9acc TB |
1367 | int git_config_color(char *dest, const char *var, const char *value) |
1368 | { | |
1369 | if (!value) | |
1370 | return config_error_nonbool(var); | |
1371 | if (color_parse(value, dest) < 0) | |
1372 | return -1; | |
1373 | return 0; | |
1374 | } | |
1375 | ||
a4e7e317 GC |
1376 | static int git_default_core_config(const char *var, const char *value, |
1377 | const struct config_context *ctx, void *cb) | |
17712991 LT |
1378 | { |
1379 | /* This needs a better name */ | |
1380 | if (!strcmp(var, "core.filemode")) { | |
1381 | trust_executable_bit = git_config_bool(var, value); | |
1382 | return 0; | |
1383 | } | |
1ce4790b AR |
1384 | if (!strcmp(var, "core.trustctime")) { |
1385 | trust_ctime = git_config_bool(var, value); | |
1386 | return 0; | |
1387 | } | |
c1b5d738 | 1388 | if (!strcmp(var, "core.checkstat")) { |
ba176db5 JK |
1389 | if (!value) |
1390 | return config_error_nonbool(var); | |
c08e4d5b RR |
1391 | if (!strcasecmp(value, "default")) |
1392 | check_stat = 1; | |
1393 | else if (!strcasecmp(value, "minimal")) | |
1394 | check_stat = 0; | |
1395 | } | |
17712991 | 1396 | |
9378c161 JH |
1397 | if (!strcmp(var, "core.quotepath")) { |
1398 | quote_path_fully = git_config_bool(var, value); | |
1399 | return 0; | |
1400 | } | |
1401 | ||
78a8d641 JS |
1402 | if (!strcmp(var, "core.symlinks")) { |
1403 | has_symlinks = git_config_bool(var, value); | |
1404 | return 0; | |
1405 | } | |
1406 | ||
0a9b88b7 LT |
1407 | if (!strcmp(var, "core.ignorecase")) { |
1408 | ignore_case = git_config_bool(var, value); | |
1409 | return 0; | |
1410 | } | |
1411 | ||
64589a03 JH |
1412 | if (!strcmp(var, "core.attributesfile")) |
1413 | return git_config_pathname(&git_attributes_file, var, value); | |
1414 | ||
867ad08a ÆAB |
1415 | if (!strcmp(var, "core.hookspath")) |
1416 | return git_config_pathname(&git_hooks_path, var, value); | |
1417 | ||
7d1864ce JH |
1418 | if (!strcmp(var, "core.bare")) { |
1419 | is_bare_repository_cfg = git_config_bool(var, value); | |
1420 | return 0; | |
1421 | } | |
1422 | ||
5f73076c JH |
1423 | if (!strcmp(var, "core.ignorestat")) { |
1424 | assume_unchanged = git_config_bool(var, value); | |
1425 | return 0; | |
1426 | } | |
1427 | ||
e388c738 JH |
1428 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
1429 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
1430 | return 0; |
1431 | } | |
1432 | ||
6de08ae6 | 1433 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
1434 | if (value && !strcasecmp(value, "always")) |
1435 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
1436 | else if (git_config_bool(var, value)) | |
1437 | log_all_ref_updates = LOG_REFS_NORMAL; | |
1438 | else | |
1439 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
1440 | return 0; |
1441 | } | |
1442 | ||
2f8acdb3 JH |
1443 | if (!strcmp(var, "core.warnambiguousrefs")) { |
1444 | warn_ambiguous_refs = git_config_bool(var, value); | |
1445 | return 0; | |
1446 | } | |
1447 | ||
a71f09fe | 1448 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
1449 | if (!value) |
1450 | return config_error_nonbool(var); | |
1451 | if (!strcasecmp(value, "auto")) | |
1452 | default_abbrev = -1; | |
a9ecaa06 EW |
1453 | else if (!git_parse_maybe_bool_text(value)) |
1454 | default_abbrev = the_hash_algo->hexsz; | |
48d5014d | 1455 | else { |
8868b1eb | 1456 | int abbrev = git_config_int(var, value, ctx->kvi); |
fe9fec45 | 1457 | if (abbrev < minimum_abbrev || abbrev > the_hash_algo->hexsz) |
a769bfc7 | 1458 | return error(_("abbrev length out of range: %d"), abbrev); |
48d5014d JH |
1459 | default_abbrev = abbrev; |
1460 | } | |
dce96489 LT |
1461 | return 0; |
1462 | } | |
1463 | ||
5b33cb1f JK |
1464 | if (!strcmp(var, "core.disambiguate")) |
1465 | return set_disambiguate_hint_config(var, value); | |
1466 | ||
960ccca6 | 1467 | if (!strcmp(var, "core.loosecompression")) { |
8868b1eb | 1468 | int level = git_config_int(var, value, ctx->kvi); |
12f6c308 JBH |
1469 | if (level == -1) |
1470 | level = Z_DEFAULT_COMPRESSION; | |
1471 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1472 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 1473 | zlib_compression_level = level; |
960ccca6 DH |
1474 | zlib_compression_seen = 1; |
1475 | return 0; | |
1476 | } | |
1477 | ||
1478 | if (!strcmp(var, "core.compression")) { | |
8868b1eb | 1479 | int level = git_config_int(var, value, ctx->kvi); |
960ccca6 DH |
1480 | if (level == -1) |
1481 | level = Z_DEFAULT_COMPRESSION; | |
1482 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1483 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
1484 | if (!zlib_compression_seen) |
1485 | zlib_compression_level = level; | |
8de7eeb5 JH |
1486 | if (!pack_compression_seen) |
1487 | pack_compression_level = level; | |
12f6c308 JBH |
1488 | return 0; |
1489 | } | |
1490 | ||
60bb8b14 | 1491 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 1492 | int pgsz_x2 = getpagesize() * 2; |
8868b1eb | 1493 | packed_git_window_size = git_config_ulong(var, value, ctx->kvi); |
5faaf246 JH |
1494 | |
1495 | /* This value must be multiple of (pagesize * 2) */ | |
1496 | packed_git_window_size /= pgsz_x2; | |
1497 | if (packed_git_window_size < 1) | |
1498 | packed_git_window_size = 1; | |
1499 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
1500 | return 0; |
1501 | } | |
1502 | ||
15366280 | 1503 | if (!strcmp(var, "core.bigfilethreshold")) { |
8868b1eb | 1504 | big_file_threshold = git_config_ulong(var, value, ctx->kvi); |
15366280 JH |
1505 | return 0; |
1506 | } | |
1507 | ||
77ccc5bb | 1508 | if (!strcmp(var, "core.packedgitlimit")) { |
8868b1eb | 1509 | packed_git_limit = git_config_ulong(var, value, ctx->kvi); |
77ccc5bb SP |
1510 | return 0; |
1511 | } | |
1512 | ||
18bdec11 | 1513 | if (!strcmp(var, "core.deltabasecachelimit")) { |
8868b1eb | 1514 | delta_base_cache_limit = git_config_ulong(var, value, ctx->kvi); |
18bdec11 SP |
1515 | return 0; |
1516 | } | |
1517 | ||
6c510bee | 1518 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 1519 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 1520 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
1521 | return 0; |
1522 | } | |
6c510bee LT |
1523 | auto_crlf = git_config_bool(var, value); |
1524 | return 0; | |
1525 | } | |
1526 | ||
21e5ad50 | 1527 | if (!strcmp(var, "core.safecrlf")) { |
8462ff43 | 1528 | int eol_rndtrp_die; |
21e5ad50 | 1529 | if (value && !strcasecmp(value, "warn")) { |
8462ff43 | 1530 | global_conv_flags_eol = CONV_EOL_RNDTRP_WARN; |
21e5ad50 SP |
1531 | return 0; |
1532 | } | |
8462ff43 TB |
1533 | eol_rndtrp_die = git_config_bool(var, value); |
1534 | global_conv_flags_eol = eol_rndtrp_die ? | |
6cb09125 | 1535 | CONV_EOL_RNDTRP_DIE : 0; |
21e5ad50 SP |
1536 | return 0; |
1537 | } | |
1538 | ||
942e7747 EB |
1539 | if (!strcmp(var, "core.eol")) { |
1540 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 1541 | core_eol = EOL_LF; |
942e7747 | 1542 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 1543 | core_eol = EOL_CRLF; |
942e7747 | 1544 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 1545 | core_eol = EOL_NATIVE; |
942e7747 | 1546 | else |
ec70f52f | 1547 | core_eol = EOL_UNSET; |
942e7747 EB |
1548 | return 0; |
1549 | } | |
1550 | ||
e92d6225 | 1551 | if (!strcmp(var, "core.checkroundtripencoding")) { |
ba176db5 JK |
1552 | if (!value) |
1553 | return config_error_nonbool(var); | |
e92d6225 LS |
1554 | check_roundtrip_encoding = xstrdup(value); |
1555 | return 0; | |
1556 | } | |
1557 | ||
a97a7468 | 1558 | if (!strcmp(var, "core.notesref")) { |
ba176db5 JK |
1559 | if (!value) |
1560 | return config_error_nonbool(var); | |
a97a7468 JS |
1561 | notes_ref_name = xstrdup(value); |
1562 | return 0; | |
1563 | } | |
1564 | ||
806e2ad7 LT |
1565 | if (!strcmp(var, "core.editor")) |
1566 | return git_config_string(&editor_program, var, value); | |
1567 | ||
eff80a9f | 1568 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
1569 | if (!value) |
1570 | return config_error_nonbool(var); | |
ad524f83 | 1571 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 1572 | auto_comment_line_char = 1; |
ad524f83 | 1573 | else if (value[0] && !value[1]) { |
649409b7 | 1574 | comment_line_char = value[0]; |
84c9dc2c | 1575 | auto_comment_line_char = 0; |
50b54fd7 | 1576 | } else |
d3b3419f | 1577 | return error(_("core.commentChar should only be one ASCII character")); |
50b54fd7 | 1578 | return 0; |
eff80a9f JH |
1579 | } |
1580 | ||
d3e7da89 AK |
1581 | if (!strcmp(var, "core.askpass")) |
1582 | return git_config_string(&askpass_program, var, value); | |
1583 | ||
806e2ad7 | 1584 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 1585 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
1586 | |
1587 | if (!strcmp(var, "core.whitespace")) { | |
1588 | if (!value) | |
1589 | return config_error_nonbool(var); | |
1590 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
1591 | return 0; | |
1592 | } | |
1593 | ||
844a8ad4 NS |
1594 | if (!strcmp(var, "core.fsync")) { |
1595 | if (!value) | |
1596 | return config_error_nonbool(var); | |
1597 | fsync_components = parse_fsync_components(var, value); | |
1598 | return 0; | |
1599 | } | |
1600 | ||
abf38abe NS |
1601 | if (!strcmp(var, "core.fsyncmethod")) { |
1602 | if (!value) | |
1603 | return config_error_nonbool(var); | |
1604 | if (!strcmp(value, "fsync")) | |
1605 | fsync_method = FSYNC_METHOD_FSYNC; | |
1606 | else if (!strcmp(value, "writeout-only")) | |
1607 | fsync_method = FSYNC_METHOD_WRITEOUT_ONLY; | |
c0f4752e NS |
1608 | else if (!strcmp(value, "batch")) |
1609 | fsync_method = FSYNC_METHOD_BATCH; | |
abf38abe NS |
1610 | else |
1611 | warning(_("ignoring unknown core.fsyncMethod value '%s'"), value); | |
1612 | ||
1613 | } | |
1614 | ||
aafe9fba | 1615 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
844a8ad4 | 1616 | if (fsync_object_files < 0) |
f12f3b98 | 1617 | warning(_("core.fsyncObjectFiles is deprecated; use core.fsync instead")); |
aafe9fba LT |
1618 | fsync_object_files = git_config_bool(var, value); |
1619 | return 0; | |
1620 | } | |
1621 | ||
671c9b7e LT |
1622 | if (!strcmp(var, "core.preloadindex")) { |
1623 | core_preload_index = git_config_bool(var, value); | |
1624 | return 0; | |
1625 | } | |
1626 | ||
348df166 | 1627 | if (!strcmp(var, "core.createobject")) { |
ba176db5 JK |
1628 | if (!value) |
1629 | return config_error_nonbool(var); | |
348df166 JS |
1630 | if (!strcmp(value, "rename")) |
1631 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
1632 | else if (!strcmp(value, "link")) | |
1633 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
1634 | else | |
8262aaa2 | 1635 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
1636 | return 0; |
1637 | } | |
1638 | ||
08aefc9e NTND |
1639 | if (!strcmp(var, "core.sparsecheckout")) { |
1640 | core_apply_sparse_checkout = git_config_bool(var, value); | |
1641 | return 0; | |
1642 | } | |
1643 | ||
879321eb DS |
1644 | if (!strcmp(var, "core.sparsecheckoutcone")) { |
1645 | core_sparse_checkout_cone = git_config_bool(var, value); | |
1646 | return 0; | |
1647 | } | |
1648 | ||
76759c7d TB |
1649 | if (!strcmp(var, "core.precomposeunicode")) { |
1650 | precomposed_unicode = git_config_bool(var, value); | |
1651 | return 0; | |
1652 | } | |
1653 | ||
a42643aa JK |
1654 | if (!strcmp(var, "core.protecthfs")) { |
1655 | protect_hfs = git_config_bool(var, value); | |
1656 | return 0; | |
1657 | } | |
1658 | ||
2b4c6efc JS |
1659 | if (!strcmp(var, "core.protectntfs")) { |
1660 | protect_ntfs = git_config_bool(var, value); | |
1661 | return 0; | |
76759c7d TB |
1662 | } |
1663 | ||
be20128b JK |
1664 | if (!strcmp(var, "core.maxtreedepth")) { |
1665 | max_allowed_tree_depth = git_config_int(var, value, ctx->kvi); | |
1666 | return 0; | |
1667 | } | |
1668 | ||
806e2ad7 | 1669 | /* Add other config variables here and to Documentation/config.txt. */ |
a4e7e317 | 1670 | return platform_core_config(var, value, ctx, cb); |
806e2ad7 LT |
1671 | } |
1672 | ||
ecc7c884 EN |
1673 | static int git_default_sparse_config(const char *var, const char *value) |
1674 | { | |
1675 | if (!strcmp(var, "sparse.expectfilesoutsideofpatterns")) { | |
1676 | sparse_expect_files_outside_of_patterns = git_config_bool(var, value); | |
1677 | return 0; | |
1678 | } | |
1679 | ||
1680 | /* Add other config variables here and to Documentation/config/sparse.txt. */ | |
1681 | return 0; | |
1682 | } | |
1683 | ||
1141f492 | 1684 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1685 | { |
ea5105a5 CC |
1686 | if (!strcmp(var, "i18n.commitencoding")) |
1687 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1688 | |
ea5105a5 CC |
1689 | if (!strcmp(var, "i18n.logoutputencoding")) |
1690 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1691 | |
1141f492 LT |
1692 | /* Add other config variables here and to Documentation/config.txt. */ |
1693 | return 0; | |
1694 | } | |
039bc64e | 1695 | |
1141f492 LT |
1696 | static int git_default_branch_config(const char *var, const char *value) |
1697 | { | |
9ed36cfa | 1698 | if (!strcmp(var, "branch.autosetupmerge")) { |
44f14a9d | 1699 | if (value && !strcmp(value, "always")) { |
9ed36cfa JS |
1700 | git_branch_track = BRANCH_TRACK_ALWAYS; |
1701 | return 0; | |
d3115660 JS |
1702 | } else if (value && !strcmp(value, "inherit")) { |
1703 | git_branch_track = BRANCH_TRACK_INHERIT; | |
1704 | return 0; | |
bdaf1dfa TK |
1705 | } else if (value && !strcmp(value, "simple")) { |
1706 | git_branch_track = BRANCH_TRACK_SIMPLE; | |
1707 | return 0; | |
9ed36cfa JS |
1708 | } |
1709 | git_branch_track = git_config_bool(var, value); | |
1710 | return 0; | |
1711 | } | |
c998ae9b DS |
1712 | if (!strcmp(var, "branch.autosetuprebase")) { |
1713 | if (!value) | |
1714 | return config_error_nonbool(var); | |
1715 | else if (!strcmp(value, "never")) | |
1716 | autorebase = AUTOREBASE_NEVER; | |
1717 | else if (!strcmp(value, "local")) | |
1718 | autorebase = AUTOREBASE_LOCAL; | |
1719 | else if (!strcmp(value, "remote")) | |
1720 | autorebase = AUTOREBASE_REMOTE; | |
1721 | else if (!strcmp(value, "always")) | |
1722 | autorebase = AUTOREBASE_ALWAYS; | |
1723 | else | |
a769bfc7 | 1724 | return error(_("malformed value for %s"), var); |
c998ae9b DS |
1725 | return 0; |
1726 | } | |
a9cc857a | 1727 | |
1ab661dd | 1728 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1729 | return 0; |
1730 | } | |
1731 | ||
52153747 FAG |
1732 | static int git_default_push_config(const char *var, const char *value) |
1733 | { | |
1734 | if (!strcmp(var, "push.default")) { | |
1735 | if (!value) | |
1736 | return config_error_nonbool(var); | |
1737 | else if (!strcmp(value, "nothing")) | |
1738 | push_default = PUSH_DEFAULT_NOTHING; | |
1739 | else if (!strcmp(value, "matching")) | |
1740 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1741 | else if (!strcmp(value, "simple")) |
1742 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1743 | else if (!strcmp(value, "upstream")) |
1744 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1745 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1746 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1747 | else if (!strcmp(value, "current")) |
1748 | push_default = PUSH_DEFAULT_CURRENT; | |
1749 | else { | |
a769bfc7 NTND |
1750 | error(_("malformed value for %s: %s"), var, value); |
1751 | return error(_("must be one of nothing, matching, simple, " | |
1752 | "upstream or current")); | |
52153747 FAG |
1753 | } |
1754 | return 0; | |
1755 | } | |
1756 | ||
1757 | /* Add other config variables here and to Documentation/config.txt. */ | |
1758 | return 0; | |
1759 | } | |
1760 | ||
d551a488 MSO |
1761 | static int git_default_mailmap_config(const char *var, const char *value) |
1762 | { | |
1763 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1764 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1765 | if (!strcmp(var, "mailmap.blob")) |
1766 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1767 | |
1768 | /* Add other config variables here and to Documentation/config.txt. */ | |
1769 | return 0; | |
1770 | } | |
1771 | ||
9f9c40cf JC |
1772 | static int git_default_attr_config(const char *var, const char *value) |
1773 | { | |
1774 | if (!strcmp(var, "attr.tree")) | |
1775 | return git_config_string(&git_attr_tree, var, value); | |
1776 | ||
1777 | /* | |
1778 | * Add other attribute related config variables here and to | |
1779 | * Documentation/config/attr.txt. | |
1780 | */ | |
1781 | return 0; | |
1782 | } | |
1783 | ||
a4e7e317 GC |
1784 | int git_default_config(const char *var, const char *value, |
1785 | const struct config_context *ctx, void *cb) | |
1141f492 | 1786 | { |
59556548 | 1787 | if (starts_with(var, "core.")) |
a4e7e317 | 1788 | return git_default_core_config(var, value, ctx, cb); |
1141f492 | 1789 | |
39ab4d09 WH |
1790 | if (starts_with(var, "user.") || |
1791 | starts_with(var, "author.") || | |
1792 | starts_with(var, "committer.")) | |
a4e7e317 | 1793 | return git_ident_config(var, value, ctx, cb); |
1141f492 | 1794 | |
59556548 | 1795 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1796 | return git_default_i18n_config(var, value); |
1797 | ||
59556548 | 1798 | if (starts_with(var, "branch.")) |
1141f492 LT |
1799 | return git_default_branch_config(var, value); |
1800 | ||
59556548 | 1801 | if (starts_with(var, "push.")) |
52153747 FAG |
1802 | return git_default_push_config(var, value); |
1803 | ||
59556548 | 1804 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1805 | return git_default_mailmap_config(var, value); |
1806 | ||
9f9c40cf JC |
1807 | if (starts_with(var, "attr.")) |
1808 | return git_default_attr_config(var, value); | |
1809 | ||
960786e7 | 1810 | if (starts_with(var, "advice.") || starts_with(var, "color.advice")) |
75194438 JK |
1811 | return git_default_advice_config(var, value); |
1812 | ||
1141f492 LT |
1813 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1814 | pager_use_color = git_config_bool(var,value); | |
1815 | return 0; | |
1816 | } | |
1817 | ||
568508e7 | 1818 | if (!strcmp(var, "pack.packsizelimit")) { |
8868b1eb | 1819 | pack_size_limit_cfg = git_config_ulong(var, value, ctx->kvi); |
568508e7 JH |
1820 | return 0; |
1821 | } | |
8de7eeb5 JH |
1822 | |
1823 | if (!strcmp(var, "pack.compression")) { | |
8868b1eb | 1824 | int level = git_config_int(var, value, ctx->kvi); |
8de7eeb5 JH |
1825 | if (level == -1) |
1826 | level = Z_DEFAULT_COMPRESSION; | |
1827 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1828 | die(_("bad pack compression level %d"), level); | |
1829 | pack_compression_level = level; | |
1830 | pack_compression_seen = 1; | |
1831 | return 0; | |
1832 | } | |
1833 | ||
ecc7c884 EN |
1834 | if (starts_with(var, "sparse.")) |
1835 | return git_default_sparse_config(var, value); | |
1836 | ||
1141f492 LT |
1837 | /* Add other config variables here and to Documentation/config.txt. */ |
1838 | return 0; | |
1839 | } | |
1840 | ||
ca4b5de2 | 1841 | /* |
b2dc0945 | 1842 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1843 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1844 | * this function. |
1845 | */ | |
6e8e7981 | 1846 | static int do_config_from(struct config_source *top, config_fn_t fn, |
809d8680 | 1847 | void *data, enum config_scope scope, |
8032cc44 | 1848 | const struct config_options *opts) |
ca4b5de2 | 1849 | { |
809d8680 | 1850 | struct key_value_info kvi = KVI_INIT; |
ca4b5de2 HV |
1851 | int ret; |
1852 | ||
1853 | /* push config-file parsing state stack */ | |
ca4b5de2 HV |
1854 | top->linenr = 1; |
1855 | top->eof = 0; | |
348482de | 1856 | top->total_len = 0; |
ca4b5de2 HV |
1857 | strbuf_init(&top->value, 1024); |
1858 | strbuf_init(&top->var, 1024); | |
809d8680 | 1859 | kvi_from_source(top, scope, &kvi); |
ca4b5de2 | 1860 | |
809d8680 | 1861 | ret = git_parse_source(top, fn, &kvi, data, opts); |
ca4b5de2 | 1862 | |
ca4b5de2 HV |
1863 | strbuf_release(&top->value); |
1864 | strbuf_release(&top->var); | |
ca4b5de2 HV |
1865 | |
1866 | return ret; | |
1867 | } | |
1868 | ||
6e8e7981 | 1869 | static int do_config_from_file(config_fn_t fn, |
0c602851 GC |
1870 | const enum config_origin_type origin_type, |
1871 | const char *name, const char *path, FILE *f, | |
809d8680 GC |
1872 | void *data, enum config_scope scope, |
1873 | const struct config_options *opts) | |
17712991 | 1874 | { |
c009bc89 | 1875 | struct config_source top = CONFIG_SOURCE_INIT; |
05e293c1 | 1876 | int ret; |
17712991 | 1877 | |
3caec73b | 1878 | top.u.file = f; |
473166b9 | 1879 | top.origin_type = origin_type; |
3caec73b KS |
1880 | top.name = name; |
1881 | top.path = path; | |
66f97228 | 1882 | top.default_error_action = CONFIG_ERROR_DIE; |
3caec73b KS |
1883 | top.do_fgetc = config_file_fgetc; |
1884 | top.do_ungetc = config_file_ungetc; | |
1885 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1886 | |
05e293c1 | 1887 | flockfile(f); |
6e8e7981 | 1888 | ret = do_config_from(&top, fn, data, scope, opts); |
05e293c1 JK |
1889 | funlockfile(f); |
1890 | return ret; | |
3caec73b | 1891 | } |
924aaf3e | 1892 | |
809d8680 GC |
1893 | static int git_config_from_stdin(config_fn_t fn, void *data, |
1894 | enum config_scope scope) | |
3caec73b | 1895 | { |
6e8e7981 GC |
1896 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, |
1897 | data, scope, NULL); | |
3caec73b KS |
1898 | } |
1899 | ||
8032cc44 | 1900 | int git_config_from_file_with_options(config_fn_t fn, const char *filename, |
809d8680 | 1901 | void *data, enum config_scope scope, |
8032cc44 | 1902 | const struct config_options *opts) |
3caec73b KS |
1903 | { |
1904 | int ret = -1; | |
1905 | FILE *f; | |
924aaf3e | 1906 | |
776f1848 GC |
1907 | if (!filename) |
1908 | BUG("filename cannot be NULL"); | |
e9d983f1 | 1909 | f = fopen_or_warn(filename, "r"); |
3caec73b | 1910 | if (f) { |
6e8e7981 GC |
1911 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, |
1912 | filename, f, data, scope, opts); | |
17712991 LT |
1913 | fclose(f); |
1914 | } | |
1915 | return ret; | |
1916 | } | |
10bea152 | 1917 | |
8032cc44 JS |
1918 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) |
1919 | { | |
809d8680 GC |
1920 | return git_config_from_file_with_options(fn, filename, data, |
1921 | CONFIG_SCOPE_UNKNOWN, NULL); | |
8032cc44 JS |
1922 | } |
1923 | ||
4574f1aa JK |
1924 | int git_config_from_mem(config_fn_t fn, |
1925 | const enum config_origin_type origin_type, | |
1926 | const char *name, const char *buf, size_t len, | |
809d8680 GC |
1927 | void *data, enum config_scope scope, |
1928 | const struct config_options *opts) | |
1bc88819 | 1929 | { |
c009bc89 | 1930 | struct config_source top = CONFIG_SOURCE_INIT; |
1bc88819 HV |
1931 | |
1932 | top.u.buf.buf = buf; | |
1933 | top.u.buf.len = len; | |
1934 | top.u.buf.pos = 0; | |
473166b9 | 1935 | top.origin_type = origin_type; |
1bc88819 | 1936 | top.name = name; |
d14d4244 | 1937 | top.path = NULL; |
66f97228 | 1938 | top.default_error_action = CONFIG_ERROR_ERROR; |
49d6cfa5 JK |
1939 | top.do_fgetc = config_buf_fgetc; |
1940 | top.do_ungetc = config_buf_ungetc; | |
1941 | top.do_ftell = config_buf_ftell; | |
1bc88819 | 1942 | |
6e8e7981 | 1943 | return do_config_from(&top, fn, data, scope, opts); |
1bc88819 HV |
1944 | } |
1945 | ||
cd73de47 | 1946 | int git_config_from_blob_oid(config_fn_t fn, |
9ebf689a | 1947 | const char *name, |
e3e8bf04 | 1948 | struct repository *repo, |
cd73de47 | 1949 | const struct object_id *oid, |
809d8680 GC |
1950 | void *data, |
1951 | enum config_scope scope) | |
1bc88819 HV |
1952 | { |
1953 | enum object_type type; | |
1954 | char *buf; | |
1955 | unsigned long size; | |
1956 | int ret; | |
1957 | ||
e3e8bf04 | 1958 | buf = repo_read_object_file(repo, oid, &type, &size); |
1bc88819 | 1959 | if (!buf) |
a769bfc7 | 1960 | return error(_("unable to load config blob object '%s'"), name); |
1bc88819 HV |
1961 | if (type != OBJ_BLOB) { |
1962 | free(buf); | |
a769bfc7 | 1963 | return error(_("reference '%s' does not point to a blob"), name); |
1bc88819 HV |
1964 | } |
1965 | ||
4574f1aa | 1966 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, |
809d8680 | 1967 | data, scope, NULL); |
1bc88819 HV |
1968 | free(buf); |
1969 | ||
1970 | return ret; | |
1971 | } | |
1972 | ||
1973 | static int git_config_from_blob_ref(config_fn_t fn, | |
e3e8bf04 | 1974 | struct repository *repo, |
1bc88819 | 1975 | const char *name, |
809d8680 GC |
1976 | void *data, |
1977 | enum config_scope scope) | |
1bc88819 | 1978 | { |
cd73de47 | 1979 | struct object_id oid; |
1bc88819 | 1980 | |
e3e8bf04 | 1981 | if (repo_get_oid(repo, name, &oid) < 0) |
a769bfc7 | 1982 | return error(_("unable to resolve config blob '%s'"), name); |
809d8680 | 1983 | return git_config_from_blob_oid(fn, name, repo, &oid, data, scope); |
1bc88819 HV |
1984 | } |
1985 | ||
c62a999c | 1986 | char *git_system_config(void) |
506b17b1 | 1987 | { |
4179b489 | 1988 | char *system_config = xstrdup_or_null(getenv("GIT_CONFIG_SYSTEM")); |
e3553076 JS |
1989 | if (!system_config) |
1990 | system_config = system_path(ETC_GITCONFIG); | |
1991 | normalize_path_copy(system_config, system_config); | |
1992 | return system_config; | |
506b17b1 JS |
1993 | } |
1994 | ||
4179b489 | 1995 | void git_global_config(char **user_out, char **xdg_out) |
1e06eb9b | 1996 | { |
4179b489 PS |
1997 | char *user_config = xstrdup_or_null(getenv("GIT_CONFIG_GLOBAL")); |
1998 | char *xdg_config = NULL; | |
1999 | ||
2000 | if (!user_config) { | |
a03b097d | 2001 | user_config = interpolate_path("~/.gitconfig", 0); |
4179b489 PS |
2002 | xdg_config = xdg_config_home("config"); |
2003 | } | |
2004 | ||
2005 | *user_out = user_config; | |
2006 | *xdg_out = xdg_config; | |
506b17b1 JS |
2007 | } |
2008 | ||
ab88c363 JK |
2009 | int git_config_system(void) |
2010 | { | |
2011 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
2012 | } | |
2013 | ||
6e8e7981 | 2014 | static int do_git_config_sequence(const struct config_options *opts, |
3867f6d6 | 2015 | const struct repository *repo, |
e145a0bc | 2016 | config_fn_t fn, void *data) |
4f629539 | 2017 | { |
c72ee44b | 2018 | int ret = 0; |
c62a999c | 2019 | char *system_config = git_system_config(); |
1e06eb9b PS |
2020 | char *xdg_config = NULL; |
2021 | char *user_config = NULL; | |
e145a0bc | 2022 | char *repo_config; |
847d0027 | 2023 | char *worktree_config; |
e145a0bc | 2024 | |
847d0027 VD |
2025 | /* |
2026 | * Ensure that either: | |
2027 | * - the git_dir and commondir are both set, or | |
2028 | * - the git_dir and commondir are both NULL | |
2029 | */ | |
2030 | if (!opts->git_dir != !opts->commondir) | |
2031 | BUG("only one of commondir and git_dir is non-NULL"); | |
2032 | ||
2033 | if (opts->commondir) { | |
a577fb5f | 2034 | repo_config = mkpathdup("%s/config", opts->commondir); |
847d0027 VD |
2035 | worktree_config = mkpathdup("%s/config.worktree", opts->git_dir); |
2036 | } else { | |
e145a0bc | 2037 | repo_config = NULL; |
847d0027 VD |
2038 | worktree_config = NULL; |
2039 | } | |
5f1a63e0 | 2040 | |
c62a999c PS |
2041 | if (git_config_system() && system_config && |
2042 | !access_or_die(system_config, R_OK, | |
2043 | opts->system_gently ? ACCESS_EACCES_OK : 0)) | |
809d8680 GC |
2044 | ret += git_config_from_file_with_options(fn, system_config, |
2045 | data, CONFIG_SCOPE_SYSTEM, | |
2046 | NULL); | |
5f1a63e0 | 2047 | |
1e06eb9b PS |
2048 | git_global_config(&user_config, &xdg_config); |
2049 | ||
c72ee44b | 2050 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
809d8680 GC |
2051 | ret += git_config_from_file_with_options(fn, xdg_config, data, |
2052 | CONFIG_SCOPE_GLOBAL, NULL); | |
21cf3227 | 2053 | |
c72ee44b | 2054 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
809d8680 GC |
2055 | ret += git_config_from_file_with_options(fn, user_config, data, |
2056 | CONFIG_SCOPE_GLOBAL, NULL); | |
5f1a63e0 | 2057 | |
800a7f99 JH |
2058 | if (!opts->ignore_repo && repo_config && |
2059 | !access_or_die(repo_config, R_OK, 0)) | |
809d8680 GC |
2060 | ret += git_config_from_file_with_options(fn, repo_config, data, |
2061 | CONFIG_SCOPE_LOCAL, NULL); | |
8b1fa778 | 2062 | |
847d0027 | 2063 | if (!opts->ignore_worktree && worktree_config && |
3867f6d6 | 2064 | repo && repo->repository_format_worktree_config && |
847d0027 | 2065 | !access_or_die(worktree_config, R_OK, 0)) { |
809d8680 GC |
2066 | ret += git_config_from_file_with_options(fn, worktree_config, data, |
2067 | CONFIG_SCOPE_WORKTREE, | |
2068 | NULL); | |
58b284a2 NTND |
2069 | } |
2070 | ||
800a7f99 | 2071 | if (!opts->ignore_cmdline && git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 2072 | die(_("unable to parse command-line config")); |
8b1fa778 | 2073 | |
c62a999c | 2074 | free(system_config); |
21cf3227 HKNN |
2075 | free(xdg_config); |
2076 | free(user_config); | |
80181868 | 2077 | free(repo_config); |
847d0027 | 2078 | free(worktree_config); |
c72ee44b | 2079 | return ret; |
4f629539 JH |
2080 | } |
2081 | ||
dc8441fd BW |
2082 | int config_with_options(config_fn_t fn, void *data, |
2083 | struct git_config_source *config_source, | |
9b6b06c1 | 2084 | struct repository *repo, |
dc8441fd | 2085 | const struct config_options *opts) |
dbdf5854 | 2086 | { |
9b25a0b5 | 2087 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
399b1984 | 2088 | int ret; |
9b25a0b5 | 2089 | |
c48f4b37 | 2090 | if (opts->respect_includes) { |
9b25a0b5 JK |
2091 | inc.fn = fn; |
2092 | inc.data = data; | |
c48f4b37 | 2093 | inc.opts = opts; |
9b6b06c1 | 2094 | inc.repo = repo; |
399b1984 | 2095 | inc.config_source = config_source; |
9b25a0b5 JK |
2096 | fn = git_config_include; |
2097 | data = &inc; | |
2098 | } | |
dbdf5854 | 2099 | |
c9b5e2a5 JK |
2100 | /* |
2101 | * If we have a specific filename, use it. Otherwise, follow the | |
2102 | * regular lookup sequence. | |
2103 | */ | |
e3e8bf04 | 2104 | if (config_source && config_source->use_stdin) { |
809d8680 | 2105 | ret = git_config_from_stdin(fn, data, config_source->scope); |
e3e8bf04 | 2106 | } else if (config_source && config_source->file) { |
809d8680 GC |
2107 | ret = git_config_from_file_with_options(fn, config_source->file, |
2108 | data, config_source->scope, | |
2109 | NULL); | |
e3e8bf04 | 2110 | } else if (config_source && config_source->blob) { |
399b1984 | 2111 | ret = git_config_from_blob_ref(fn, repo, config_source->blob, |
809d8680 | 2112 | data, config_source->scope); |
399b1984 | 2113 | } else { |
6e8e7981 | 2114 | ret = do_git_config_sequence(opts, repo, fn, data); |
e3e8bf04 | 2115 | } |
c9b5e2a5 | 2116 | |
399b1984 JT |
2117 | if (inc.remote_urls) { |
2118 | string_list_clear(inc.remote_urls, 0); | |
2119 | FREE_AND_NULL(inc.remote_urls); | |
2120 | } | |
2121 | return ret; | |
dbdf5854 NTND |
2122 | } |
2123 | ||
f6c213a0 | 2124 | static void configset_iter(struct config_set *set, config_fn_t fn, void *data) |
c9b5e2a5 | 2125 | { |
155ef25f TA |
2126 | int i, value_index; |
2127 | struct string_list *values; | |
2128 | struct config_set_element *entry; | |
9b4a6553 | 2129 | struct configset_list *list = &set->list; |
6021e1d1 | 2130 | struct config_context ctx = CONFIG_CONTEXT_INIT; |
155ef25f TA |
2131 | |
2132 | for (i = 0; i < list->nr; i++) { | |
2133 | entry = list->items[i].e; | |
2134 | value_index = list->items[i].value_index; | |
2135 | values = &entry->value_list; | |
0d44a2da | 2136 | |
6021e1d1 GC |
2137 | ctx.kvi = values->items[value_index].util; |
2138 | if (fn(entry->key, values->items[value_index].string, &ctx, data) < 0) | |
0d44a2da | 2139 | git_die_config_linenr(entry->key, |
6021e1d1 GC |
2140 | ctx.kvi->filename, |
2141 | ctx.kvi->linenr); | |
155ef25f TA |
2142 | } |
2143 | } | |
2144 | ||
0654aa57 JS |
2145 | void read_early_config(config_fn_t cb, void *data) |
2146 | { | |
c48f4b37 | 2147 | struct config_options opts = {0}; |
d3fb71b3 BW |
2148 | struct strbuf commondir = STRBUF_INIT; |
2149 | struct strbuf gitdir = STRBUF_INIT; | |
1a27409a | 2150 | |
c48f4b37 | 2151 | opts.respect_includes = 1; |
0654aa57 | 2152 | |
a577fb5f BW |
2153 | if (have_git_dir()) { |
2154 | opts.commondir = get_git_common_dir(); | |
2185fde5 | 2155 | opts.git_dir = get_git_dir(); |
0654aa57 | 2156 | /* |
1a27409a JS |
2157 | * When setup_git_directory() was not yet asked to discover the |
2158 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
2159 | * is any repository config we should use (but unlike | |
2160 | * setup_git_directory_gently(), no global state is changed, most | |
2161 | * notably, the current working directory is still the same after the | |
2162 | * call). | |
0654aa57 | 2163 | */ |
a577fb5f BW |
2164 | } else if (!discover_git_directory(&commondir, &gitdir)) { |
2165 | opts.commondir = commondir.buf; | |
d3fb71b3 | 2166 | opts.git_dir = gitdir.buf; |
a577fb5f | 2167 | } |
2185fde5 | 2168 | |
9b6b06c1 | 2169 | config_with_options(cb, data, NULL, NULL, &opts); |
0654aa57 | 2170 | |
d3fb71b3 BW |
2171 | strbuf_release(&commondir); |
2172 | strbuf_release(&gitdir); | |
0654aa57 JS |
2173 | } |
2174 | ||
800a7f99 JH |
2175 | /* |
2176 | * Read config but only enumerate system and global settings. | |
2177 | * Omit any repo-local, worktree-local, or command-line settings. | |
2178 | */ | |
2179 | void read_very_early_config(config_fn_t cb, void *data) | |
2180 | { | |
2181 | struct config_options opts = { 0 }; | |
2182 | ||
2183 | opts.respect_includes = 1; | |
2184 | opts.ignore_repo = 1; | |
2185 | opts.ignore_worktree = 1; | |
2186 | opts.ignore_cmdline = 1; | |
f672deec | 2187 | opts.system_gently = 1; |
800a7f99 | 2188 | |
9b6b06c1 | 2189 | config_with_options(cb, data, NULL, NULL, &opts); |
800a7f99 JH |
2190 | } |
2191 | ||
b83efcec | 2192 | RESULT_MUST_BE_USED |
06e9e726 | 2193 | static int configset_find_element(struct config_set *set, const char *key, |
b83efcec | 2194 | struct config_set_element **dest) |
3c8687a7 TA |
2195 | { |
2196 | struct config_set_element k; | |
2197 | struct config_set_element *found_entry; | |
2198 | char *normalized_key; | |
b83efcec ÆAB |
2199 | int ret; |
2200 | ||
3c8687a7 TA |
2201 | /* |
2202 | * `key` may come from the user, so normalize it before using it | |
2203 | * for querying entries from the hashmap. | |
2204 | */ | |
b83efcec ÆAB |
2205 | ret = git_config_parse_key(key, &normalized_key, NULL); |
2206 | if (ret) | |
2207 | return ret; | |
3c8687a7 | 2208 | |
d22245a2 | 2209 | hashmap_entry_init(&k.ent, strhash(normalized_key)); |
3c8687a7 | 2210 | k.key = normalized_key; |
9b4a6553 | 2211 | found_entry = hashmap_get_entry(&set->config_hash, &k, ent, NULL); |
3c8687a7 | 2212 | free(normalized_key); |
b83efcec ÆAB |
2213 | *dest = found_entry; |
2214 | return 0; | |
3c8687a7 TA |
2215 | } |
2216 | ||
26b66932 | 2217 | static int configset_add_value(const struct key_value_info *kvi_p, |
9b4a6553 | 2218 | struct config_set *set, const char *key, |
a798a56c | 2219 | const char *value) |
3c8687a7 TA |
2220 | { |
2221 | struct config_set_element *e; | |
3df8fd62 | 2222 | struct string_list_item *si; |
155ef25f | 2223 | struct configset_list_item *l_item; |
3df8fd62 | 2224 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
b83efcec | 2225 | int ret; |
3df8fd62 | 2226 | |
06e9e726 | 2227 | ret = configset_find_element(set, key, &e); |
b83efcec ÆAB |
2228 | if (ret) |
2229 | return ret; | |
3c8687a7 TA |
2230 | /* |
2231 | * Since the keys are being fed by git_config*() callback mechanism, they | |
2232 | * are already normalized. So simply add them without any further munging. | |
2233 | */ | |
2234 | if (!e) { | |
2235 | e = xmalloc(sizeof(*e)); | |
d22245a2 | 2236 | hashmap_entry_init(&e->ent, strhash(key)); |
3c8687a7 | 2237 | e->key = xstrdup(key); |
bc40dfb1 | 2238 | string_list_init_dup(&e->value_list); |
9b4a6553 | 2239 | hashmap_add(&set->config_hash, &e->ent); |
3c8687a7 | 2240 | } |
8c53f071 | 2241 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f | 2242 | |
9b4a6553 GC |
2243 | ALLOC_GROW(set->list.items, set->list.nr + 1, set->list.alloc); |
2244 | l_item = &set->list.items[set->list.nr++]; | |
155ef25f TA |
2245 | l_item->e = e; |
2246 | l_item->value_index = e->value_list.nr - 1; | |
2247 | ||
f6c213a0 | 2248 | *kv_info = *kvi_p; |
3df8fd62 | 2249 | si->util = kv_info; |
3c8687a7 TA |
2250 | |
2251 | return 0; | |
2252 | } | |
2253 | ||
5cf88fd8 | 2254 | static int config_set_element_cmp(const void *cmp_data UNUSED, |
939af16e EW |
2255 | const struct hashmap_entry *eptr, |
2256 | const struct hashmap_entry *entry_or_key, | |
5cf88fd8 | 2257 | const void *keydata UNUSED) |
3c8687a7 | 2258 | { |
939af16e EW |
2259 | const struct config_set_element *e1, *e2; |
2260 | ||
2261 | e1 = container_of(eptr, const struct config_set_element, ent); | |
2262 | e2 = container_of(entry_or_key, const struct config_set_element, ent); | |
77bdc097 | 2263 | |
3c8687a7 TA |
2264 | return strcmp(e1->key, e2->key); |
2265 | } | |
2266 | ||
9b4a6553 | 2267 | void git_configset_init(struct config_set *set) |
3c8687a7 | 2268 | { |
9b4a6553 GC |
2269 | hashmap_init(&set->config_hash, config_set_element_cmp, NULL, 0); |
2270 | set->hash_initialized = 1; | |
2271 | set->list.nr = 0; | |
2272 | set->list.alloc = 0; | |
2273 | set->list.items = NULL; | |
3c8687a7 TA |
2274 | } |
2275 | ||
9b4a6553 | 2276 | void git_configset_clear(struct config_set *set) |
3c8687a7 TA |
2277 | { |
2278 | struct config_set_element *entry; | |
2279 | struct hashmap_iter iter; | |
9b4a6553 | 2280 | if (!set->hash_initialized) |
3c8687a7 TA |
2281 | return; |
2282 | ||
9b4a6553 | 2283 | hashmap_for_each_entry(&set->config_hash, &iter, entry, |
87571c3f | 2284 | ent /* member name */) { |
3c8687a7 | 2285 | free(entry->key); |
3df8fd62 | 2286 | string_list_clear(&entry->value_list, 1); |
3c8687a7 | 2287 | } |
9b4a6553 GC |
2288 | hashmap_clear_and_free(&set->config_hash, struct config_set_element, ent); |
2289 | set->hash_initialized = 0; | |
2290 | free(set->list.items); | |
2291 | set->list.nr = 0; | |
2292 | set->list.alloc = 0; | |
2293 | set->list.items = NULL; | |
3c8687a7 TA |
2294 | } |
2295 | ||
a4e7e317 | 2296 | static int config_set_callback(const char *key, const char *value, |
26b66932 | 2297 | const struct config_context *ctx, |
a4e7e317 | 2298 | void *cb) |
3c8687a7 | 2299 | { |
f6c213a0 GC |
2300 | struct config_set *set = cb; |
2301 | configset_add_value(ctx->kvi, set, key, value); | |
3c8687a7 TA |
2302 | return 0; |
2303 | } | |
2304 | ||
9b4a6553 | 2305 | int git_configset_add_file(struct config_set *set, const char *filename) |
3c8687a7 | 2306 | { |
f6c213a0 | 2307 | return git_config_from_file(config_set_callback, filename, set); |
3c8687a7 TA |
2308 | } |
2309 | ||
8868b1eb GC |
2310 | int git_configset_get_value(struct config_set *set, const char *key, |
2311 | const char **value, struct key_value_info *kvi) | |
3c8687a7 TA |
2312 | { |
2313 | const struct string_list *values = NULL; | |
a4286193 | 2314 | int ret; |
8868b1eb | 2315 | struct string_list_item item; |
3c8687a7 TA |
2316 | /* |
2317 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
2318 | * queried key in the files of the configset, the value returned will be the last | |
2319 | * value in the value list for that key. | |
2320 | */ | |
06e9e726 | 2321 | if ((ret = git_configset_get_value_multi(set, key, &values))) |
a4286193 | 2322 | return ret; |
3c8687a7 | 2323 | |
3c8687a7 | 2324 | assert(values->nr > 0); |
8868b1eb GC |
2325 | item = values->items[values->nr - 1]; |
2326 | *value = item.string; | |
2327 | if (kvi) | |
2328 | *kvi = *((struct key_value_info *)item.util); | |
3c8687a7 TA |
2329 | return 0; |
2330 | } | |
2331 | ||
06e9e726 | 2332 | int git_configset_get_value_multi(struct config_set *set, const char *key, |
a4286193 | 2333 | const struct string_list **dest) |
3c8687a7 | 2334 | { |
b83efcec | 2335 | struct config_set_element *e; |
a4286193 | 2336 | int ret; |
b83efcec | 2337 | |
06e9e726 | 2338 | if ((ret = configset_find_element(set, key, &e))) |
a4286193 | 2339 | return ret; |
b83efcec | 2340 | else if (!e) |
a4286193 ÆAB |
2341 | return 1; |
2342 | *dest = &e->value_list; | |
2343 | ||
2344 | return 0; | |
b83efcec ÆAB |
2345 | } |
2346 | ||
9e2d884d ÆAB |
2347 | static int check_multi_string(struct string_list_item *item, void *util) |
2348 | { | |
2349 | return item->string ? 0 : config_error_nonbool(util); | |
2350 | } | |
2351 | ||
2352 | int git_configset_get_string_multi(struct config_set *cs, const char *key, | |
2353 | const struct string_list **dest) | |
2354 | { | |
2355 | int ret; | |
2356 | ||
2357 | if ((ret = git_configset_get_value_multi(cs, key, dest))) | |
2358 | return ret; | |
2359 | if ((ret = for_each_string_list((struct string_list *)*dest, | |
2360 | check_multi_string, (void *)key))) | |
2361 | return ret; | |
2362 | ||
2363 | return 0; | |
2364 | } | |
2365 | ||
06e9e726 | 2366 | int git_configset_get(struct config_set *set, const char *key) |
3c8687a7 | 2367 | { |
b83efcec ÆAB |
2368 | struct config_set_element *e; |
2369 | int ret; | |
2370 | ||
06e9e726 | 2371 | if ((ret = configset_find_element(set, key, &e))) |
b83efcec ÆAB |
2372 | return ret; |
2373 | else if (!e) | |
2374 | return 1; | |
2375 | return 0; | |
3c8687a7 TA |
2376 | } |
2377 | ||
9b4a6553 | 2378 | int git_configset_get_string(struct config_set *set, const char *key, char **dest) |
3c8687a7 TA |
2379 | { |
2380 | const char *value; | |
8868b1eb | 2381 | if (!git_configset_get_value(set, key, &value, NULL)) |
9a53219f | 2382 | return git_config_string((const char **)dest, key, value); |
3c8687a7 TA |
2383 | else |
2384 | return 1; | |
2385 | } | |
2386 | ||
9b4a6553 | 2387 | static int git_configset_get_string_tmp(struct config_set *set, const char *key, |
3ce11382 | 2388 | const char **dest) |
3c8687a7 | 2389 | { |
f1de981e | 2390 | const char *value; |
8868b1eb | 2391 | if (!git_configset_get_value(set, key, &value, NULL)) { |
f1de981e JK |
2392 | if (!value) |
2393 | return config_error_nonbool(key); | |
2394 | *dest = value; | |
2395 | return 0; | |
2396 | } else { | |
2397 | return 1; | |
2398 | } | |
3c8687a7 TA |
2399 | } |
2400 | ||
9b4a6553 | 2401 | int git_configset_get_int(struct config_set *set, const char *key, int *dest) |
3c8687a7 TA |
2402 | { |
2403 | const char *value; | |
8868b1eb GC |
2404 | struct key_value_info kvi; |
2405 | ||
2406 | if (!git_configset_get_value(set, key, &value, &kvi)) { | |
2407 | *dest = git_config_int(key, value, &kvi); | |
3c8687a7 TA |
2408 | return 0; |
2409 | } else | |
2410 | return 1; | |
2411 | } | |
2412 | ||
9b4a6553 | 2413 | int git_configset_get_ulong(struct config_set *set, const char *key, unsigned long *dest) |
3c8687a7 TA |
2414 | { |
2415 | const char *value; | |
8868b1eb GC |
2416 | struct key_value_info kvi; |
2417 | ||
2418 | if (!git_configset_get_value(set, key, &value, &kvi)) { | |
2419 | *dest = git_config_ulong(key, value, &kvi); | |
3c8687a7 TA |
2420 | return 0; |
2421 | } else | |
2422 | return 1; | |
2423 | } | |
2424 | ||
9b4a6553 | 2425 | int git_configset_get_bool(struct config_set *set, const char *key, int *dest) |
3c8687a7 TA |
2426 | { |
2427 | const char *value; | |
8868b1eb | 2428 | if (!git_configset_get_value(set, key, &value, NULL)) { |
3c8687a7 TA |
2429 | *dest = git_config_bool(key, value); |
2430 | return 0; | |
2431 | } else | |
2432 | return 1; | |
2433 | } | |
2434 | ||
9b4a6553 | 2435 | int git_configset_get_bool_or_int(struct config_set *set, const char *key, |
3c8687a7 TA |
2436 | int *is_bool, int *dest) |
2437 | { | |
2438 | const char *value; | |
8868b1eb GC |
2439 | struct key_value_info kvi; |
2440 | ||
2441 | if (!git_configset_get_value(set, key, &value, &kvi)) { | |
2442 | *dest = git_config_bool_or_int(key, value, &kvi, is_bool); | |
3c8687a7 TA |
2443 | return 0; |
2444 | } else | |
2445 | return 1; | |
2446 | } | |
2447 | ||
9b4a6553 | 2448 | int git_configset_get_maybe_bool(struct config_set *set, const char *key, int *dest) |
3c8687a7 TA |
2449 | { |
2450 | const char *value; | |
8868b1eb | 2451 | if (!git_configset_get_value(set, key, &value, NULL)) { |
89576613 | 2452 | *dest = git_parse_maybe_bool(value); |
3c8687a7 TA |
2453 | if (*dest == -1) |
2454 | return -1; | |
2455 | return 0; | |
2456 | } else | |
2457 | return 1; | |
2458 | } | |
2459 | ||
9b4a6553 | 2460 | int git_configset_get_pathname(struct config_set *set, const char *key, const char **dest) |
3c8687a7 TA |
2461 | { |
2462 | const char *value; | |
8868b1eb | 2463 | if (!git_configset_get_value(set, key, &value, NULL)) |
3c8687a7 TA |
2464 | return git_config_pathname(dest, key, value); |
2465 | else | |
2466 | return 1; | |
2467 | } | |
2468 | ||
3b256228 BW |
2469 | /* Functions use to read configuration from a repository */ |
2470 | static void repo_read_config(struct repository *repo) | |
3c8687a7 | 2471 | { |
1703751f | 2472 | struct config_options opts = { 0 }; |
3b256228 BW |
2473 | |
2474 | opts.respect_includes = 1; | |
2475 | opts.commondir = repo->commondir; | |
2476 | opts.git_dir = repo->gitdir; | |
2477 | ||
2478 | if (!repo->config) | |
ca56dadb | 2479 | CALLOC_ARRAY(repo->config, 1); |
3b256228 BW |
2480 | else |
2481 | git_configset_clear(repo->config); | |
2482 | ||
2483 | git_configset_init(repo->config); | |
f6c213a0 GC |
2484 | if (config_with_options(config_set_callback, repo->config, NULL, |
2485 | repo, &opts) < 0) | |
3b256228 BW |
2486 | /* |
2487 | * config_with_options() normally returns only | |
2488 | * zero, as most errors are fatal, and | |
2489 | * non-fatal potential errors are guarded by "if" | |
2490 | * statements that are entered only when no error is | |
2491 | * possible. | |
2492 | * | |
2493 | * If we ever encounter a non-fatal error, it means | |
2494 | * something went really wrong and we should stop | |
2495 | * immediately. | |
2496 | */ | |
2497 | die(_("unknown error occurred while reading the configuration files")); | |
2498 | } | |
2499 | ||
2500 | static void git_config_check_init(struct repository *repo) | |
2501 | { | |
2502 | if (repo->config && repo->config->hash_initialized) | |
3c8687a7 | 2503 | return; |
3b256228 | 2504 | repo_read_config(repo); |
3c8687a7 TA |
2505 | } |
2506 | ||
3b256228 | 2507 | static void repo_config_clear(struct repository *repo) |
3c8687a7 | 2508 | { |
3b256228 | 2509 | if (!repo->config || !repo->config->hash_initialized) |
3c8687a7 | 2510 | return; |
3b256228 | 2511 | git_configset_clear(repo->config); |
3c8687a7 TA |
2512 | } |
2513 | ||
3b256228 | 2514 | void repo_config(struct repository *repo, config_fn_t fn, void *data) |
3c8687a7 | 2515 | { |
3b256228 | 2516 | git_config_check_init(repo); |
f6c213a0 | 2517 | configset_iter(repo->config, fn, data); |
3c8687a7 TA |
2518 | } |
2519 | ||
b83efcec ÆAB |
2520 | int repo_config_get(struct repository *repo, const char *key) |
2521 | { | |
2522 | git_config_check_init(repo); | |
2523 | return git_configset_get(repo->config, key); | |
2524 | } | |
2525 | ||
3b256228 BW |
2526 | int repo_config_get_value(struct repository *repo, |
2527 | const char *key, const char **value) | |
3c8687a7 | 2528 | { |
3b256228 | 2529 | git_config_check_init(repo); |
8868b1eb | 2530 | return git_configset_get_value(repo->config, key, value, NULL); |
3c8687a7 TA |
2531 | } |
2532 | ||
a4286193 ÆAB |
2533 | int repo_config_get_value_multi(struct repository *repo, const char *key, |
2534 | const struct string_list **dest) | |
3b256228 BW |
2535 | { |
2536 | git_config_check_init(repo); | |
a4286193 | 2537 | return git_configset_get_value_multi(repo->config, key, dest); |
3b256228 BW |
2538 | } |
2539 | ||
9e2d884d ÆAB |
2540 | int repo_config_get_string_multi(struct repository *repo, const char *key, |
2541 | const struct string_list **dest) | |
3b256228 BW |
2542 | { |
2543 | git_config_check_init(repo); | |
9e2d884d | 2544 | return git_configset_get_string_multi(repo->config, key, dest); |
3b256228 BW |
2545 | } |
2546 | ||
9a53219f JK |
2547 | int repo_config_get_string(struct repository *repo, |
2548 | const char *key, char **dest) | |
3b256228 BW |
2549 | { |
2550 | int ret; | |
2551 | git_config_check_init(repo); | |
9a53219f | 2552 | ret = git_configset_get_string(repo->config, key, dest); |
3b256228 BW |
2553 | if (ret < 0) |
2554 | git_die_config(key, NULL); | |
2555 | return ret; | |
2556 | } | |
2557 | ||
f1de981e JK |
2558 | int repo_config_get_string_tmp(struct repository *repo, |
2559 | const char *key, const char **dest) | |
3b256228 | 2560 | { |
f1de981e | 2561 | int ret; |
3b256228 | 2562 | git_config_check_init(repo); |
f1de981e JK |
2563 | ret = git_configset_get_string_tmp(repo->config, key, dest); |
2564 | if (ret < 0) | |
2565 | git_die_config(key, NULL); | |
2566 | return ret; | |
3b256228 BW |
2567 | } |
2568 | ||
2569 | int repo_config_get_int(struct repository *repo, | |
2570 | const char *key, int *dest) | |
2571 | { | |
2572 | git_config_check_init(repo); | |
2573 | return git_configset_get_int(repo->config, key, dest); | |
2574 | } | |
2575 | ||
2576 | int repo_config_get_ulong(struct repository *repo, | |
2577 | const char *key, unsigned long *dest) | |
2578 | { | |
2579 | git_config_check_init(repo); | |
2580 | return git_configset_get_ulong(repo->config, key, dest); | |
2581 | } | |
2582 | ||
2583 | int repo_config_get_bool(struct repository *repo, | |
2584 | const char *key, int *dest) | |
2585 | { | |
2586 | git_config_check_init(repo); | |
2587 | return git_configset_get_bool(repo->config, key, dest); | |
2588 | } | |
2589 | ||
2590 | int repo_config_get_bool_or_int(struct repository *repo, | |
2591 | const char *key, int *is_bool, int *dest) | |
2592 | { | |
2593 | git_config_check_init(repo); | |
2594 | return git_configset_get_bool_or_int(repo->config, key, is_bool, dest); | |
2595 | } | |
2596 | ||
2597 | int repo_config_get_maybe_bool(struct repository *repo, | |
2598 | const char *key, int *dest) | |
2599 | { | |
2600 | git_config_check_init(repo); | |
2601 | return git_configset_get_maybe_bool(repo->config, key, dest); | |
2602 | } | |
2603 | ||
2604 | int repo_config_get_pathname(struct repository *repo, | |
2605 | const char *key, const char **dest) | |
3c8687a7 | 2606 | { |
5a80e97c | 2607 | int ret; |
3b256228 BW |
2608 | git_config_check_init(repo); |
2609 | ret = git_configset_get_pathname(repo->config, key, dest); | |
5a80e97c TA |
2610 | if (ret < 0) |
2611 | git_die_config(key, NULL); | |
2612 | return ret; | |
3c8687a7 TA |
2613 | } |
2614 | ||
5b3c6507 GC |
2615 | /* Read values into protected_config. */ |
2616 | static void read_protected_config(void) | |
2617 | { | |
ecec57b3 GC |
2618 | struct config_options opts = { |
2619 | .respect_includes = 1, | |
2620 | .ignore_repo = 1, | |
2621 | .ignore_worktree = 1, | |
2622 | .system_gently = 1, | |
2623 | }; | |
a798a56c | 2624 | |
5b3c6507 | 2625 | git_configset_init(&protected_config); |
f6c213a0 GC |
2626 | config_with_options(config_set_callback, &protected_config, NULL, |
2627 | NULL, &opts); | |
5b3c6507 GC |
2628 | } |
2629 | ||
2630 | void git_protected_config(config_fn_t fn, void *data) | |
2631 | { | |
2632 | if (!protected_config.hash_initialized) | |
2633 | read_protected_config(); | |
f6c213a0 | 2634 | configset_iter(&protected_config, fn, data); |
5b3c6507 GC |
2635 | } |
2636 | ||
3b256228 BW |
2637 | /* Functions used historically to read configuration from 'the_repository' */ |
2638 | void git_config(config_fn_t fn, void *data) | |
2639 | { | |
2640 | repo_config(the_repository, fn, data); | |
2641 | } | |
2642 | ||
2643 | void git_config_clear(void) | |
2644 | { | |
2645 | repo_config_clear(the_repository); | |
2646 | } | |
2647 | ||
b83efcec ÆAB |
2648 | int git_config_get(const char *key) |
2649 | { | |
2650 | return repo_config_get(the_repository, key); | |
2651 | } | |
2652 | ||
3b256228 BW |
2653 | int git_config_get_value(const char *key, const char **value) |
2654 | { | |
2655 | return repo_config_get_value(the_repository, key, value); | |
2656 | } | |
2657 | ||
a4286193 | 2658 | int git_config_get_value_multi(const char *key, const struct string_list **dest) |
3b256228 | 2659 | { |
a4286193 | 2660 | return repo_config_get_value_multi(the_repository, key, dest); |
3b256228 BW |
2661 | } |
2662 | ||
9e2d884d ÆAB |
2663 | int git_config_get_string_multi(const char *key, |
2664 | const struct string_list **dest) | |
3b256228 | 2665 | { |
9e2d884d | 2666 | return repo_config_get_string_multi(the_repository, key, dest); |
3b256228 BW |
2667 | } |
2668 | ||
3c8687a7 | 2669 | int git_config_get_string(const char *key, char **dest) |
3b256228 | 2670 | { |
3b256228 | 2671 | return repo_config_get_string(the_repository, key, dest); |
3b256228 BW |
2672 | } |
2673 | ||
f1de981e | 2674 | int git_config_get_string_tmp(const char *key, const char **dest) |
3c8687a7 | 2675 | { |
f1de981e | 2676 | return repo_config_get_string_tmp(the_repository, key, dest); |
3c8687a7 TA |
2677 | } |
2678 | ||
2679 | int git_config_get_int(const char *key, int *dest) | |
2680 | { | |
3b256228 | 2681 | return repo_config_get_int(the_repository, key, dest); |
3c8687a7 TA |
2682 | } |
2683 | ||
2684 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
2685 | { | |
3b256228 | 2686 | return repo_config_get_ulong(the_repository, key, dest); |
3c8687a7 TA |
2687 | } |
2688 | ||
2689 | int git_config_get_bool(const char *key, int *dest) | |
2690 | { | |
3b256228 | 2691 | return repo_config_get_bool(the_repository, key, dest); |
3c8687a7 TA |
2692 | } |
2693 | ||
2694 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
2695 | { | |
3b256228 | 2696 | return repo_config_get_bool_or_int(the_repository, key, is_bool, dest); |
3c8687a7 TA |
2697 | } |
2698 | ||
2699 | int git_config_get_maybe_bool(const char *key, int *dest) | |
2700 | { | |
3b256228 | 2701 | return repo_config_get_maybe_bool(the_repository, key, dest); |
3c8687a7 TA |
2702 | } |
2703 | ||
2704 | int git_config_get_pathname(const char *key, const char **dest) | |
2705 | { | |
3b256228 | 2706 | return repo_config_get_pathname(the_repository, key, dest); |
5a80e97c TA |
2707 | } |
2708 | ||
77d67977 CC |
2709 | int git_config_get_expiry(const char *key, const char **output) |
2710 | { | |
9a53219f | 2711 | int ret = git_config_get_string(key, (char **)output); |
77d67977 CC |
2712 | if (ret) |
2713 | return ret; | |
2714 | if (strcmp(*output, "now")) { | |
dddbad72 | 2715 | timestamp_t now = approxidate("now"); |
77d67977 CC |
2716 | if (approxidate(*output) >= now) |
2717 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
2718 | } | |
2719 | return ret; | |
2720 | } | |
2721 | ||
6e96cb52 JH |
2722 | int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now) |
2723 | { | |
1c890016 | 2724 | const char *expiry_string; |
6e96cb52 JH |
2725 | intmax_t days; |
2726 | timestamp_t when; | |
2727 | ||
1c890016 | 2728 | if (git_config_get_string_tmp(key, &expiry_string)) |
6e96cb52 JH |
2729 | return 1; /* no such thing */ |
2730 | ||
2731 | if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) { | |
2732 | const int scale = 86400; | |
2733 | *expiry = now - days * scale; | |
2734 | return 0; | |
2735 | } | |
2736 | ||
2737 | if (!parse_expiry_date(expiry_string, &when)) { | |
2738 | *expiry = when; | |
2739 | return 0; | |
2740 | } | |
2741 | return -1; /* thing exists but cannot be parsed */ | |
2742 | } | |
2743 | ||
1f44b09b CC |
2744 | int git_config_get_split_index(void) |
2745 | { | |
2746 | int val; | |
2747 | ||
2748 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
2749 | return val; | |
2750 | ||
2751 | return -1; /* default value */ | |
2752 | } | |
2753 | ||
72dcb7b3 CC |
2754 | int git_config_get_max_percent_split_change(void) |
2755 | { | |
2756 | int val = -1; | |
2757 | ||
2758 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
2759 | if (0 <= val && val <= 100) | |
2760 | return val; | |
2761 | ||
2762 | return error(_("splitIndex.maxPercentChange value '%d' " | |
2763 | "should be between 0 and 100"), val); | |
2764 | } | |
2765 | ||
2766 | return -1; /* default value */ | |
2767 | } | |
2768 | ||
2a9dedef | 2769 | int git_config_get_index_threads(int *dest) |
c780b9cf | 2770 | { |
2a9dedef | 2771 | int is_bool, val; |
c780b9cf BP |
2772 | |
2773 | val = git_env_ulong("GIT_TEST_INDEX_THREADS", 0); | |
2a9dedef JN |
2774 | if (val) { |
2775 | *dest = val; | |
2776 | return 0; | |
2777 | } | |
c780b9cf BP |
2778 | |
2779 | if (!git_config_get_bool_or_int("index.threads", &is_bool, &val)) { | |
2780 | if (is_bool) | |
2a9dedef | 2781 | *dest = val ? 0 : 1; |
c780b9cf | 2782 | else |
2a9dedef JN |
2783 | *dest = val; |
2784 | return 0; | |
c780b9cf BP |
2785 | } |
2786 | ||
2a9dedef | 2787 | return 1; |
c780b9cf BP |
2788 | } |
2789 | ||
5a80e97c TA |
2790 | NORETURN |
2791 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
2792 | { | |
2793 | if (!filename) | |
2794 | die(_("unable to parse '%s' from command-line config"), key); | |
2795 | else | |
2796 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
2797 | key, filename, linenr); | |
2798 | } | |
2799 | ||
2800 | NORETURN __attribute__((format(printf, 2, 3))) | |
2801 | void git_die_config(const char *key, const char *err, ...) | |
2802 | { | |
2803 | const struct string_list *values; | |
2804 | struct key_value_info *kv_info; | |
f5c39c32 | 2805 | report_fn error_fn = get_error_routine(); |
5a80e97c TA |
2806 | |
2807 | if (err) { | |
2808 | va_list params; | |
2809 | va_start(params, err); | |
f5c39c32 | 2810 | error_fn(err, params); |
5a80e97c TA |
2811 | va_end(params); |
2812 | } | |
a4286193 ÆAB |
2813 | if (git_config_get_value_multi(key, &values)) |
2814 | BUG("for key '%s' we must have a value to report on", key); | |
5a80e97c TA |
2815 | kv_info = values->items[values->nr - 1].util; |
2816 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
2817 | } |
2818 | ||
10bea152 JS |
2819 | /* |
2820 | * Find all the stuff for git_config_set() below. | |
2821 | */ | |
4ddba79d | 2822 | |
fee8572c | 2823 | struct config_store_data { |
f011a965 | 2824 | size_t baselen; |
4b25d091 | 2825 | char *key; |
f98d863d | 2826 | int do_not_match; |
c90702a1 | 2827 | const char *fixed_value; |
247e2f82 | 2828 | regex_t *value_pattern; |
4ddba79d | 2829 | int multi_replace; |
6ae996f2 JS |
2830 | struct { |
2831 | size_t begin, end; | |
2832 | enum config_event_t type; | |
22aedfcc | 2833 | int is_keys_section; |
6ae996f2 JS |
2834 | } *parsed; |
2835 | unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc; | |
5221c315 | 2836 | unsigned int key_seen:1, section_seen:1, is_keys_section:1; |
fee8572c | 2837 | }; |
a798a56c | 2838 | #define CONFIG_STORE_INIT { 0 } |
10bea152 | 2839 | |
2a00e594 MÅ |
2840 | static void config_store_data_clear(struct config_store_data *store) |
2841 | { | |
e7347cb9 | 2842 | free(store->key); |
247e2f82 DS |
2843 | if (store->value_pattern != NULL && |
2844 | store->value_pattern != CONFIG_REGEX_NONE) { | |
2845 | regfree(store->value_pattern); | |
2846 | free(store->value_pattern); | |
3b82542d | 2847 | } |
2a00e594 MÅ |
2848 | free(store->parsed); |
2849 | free(store->seen); | |
2850 | memset(store, 0, sizeof(*store)); | |
2851 | } | |
2852 | ||
fee8572c JS |
2853 | static int matches(const char *key, const char *value, |
2854 | const struct config_store_data *store) | |
f98d863d | 2855 | { |
fee8572c | 2856 | if (strcmp(key, store->key)) |
c1063be2 | 2857 | return 0; /* not ours */ |
c90702a1 DS |
2858 | if (store->fixed_value) |
2859 | return !strcmp(store->fixed_value, value); | |
247e2f82 | 2860 | if (!store->value_pattern) |
c1063be2 | 2861 | return 1; /* always matches */ |
247e2f82 | 2862 | if (store->value_pattern == CONFIG_REGEX_NONE) |
c1063be2 JK |
2863 | return 0; /* never matches */ |
2864 | ||
fee8572c | 2865 | return store->do_not_match ^ |
247e2f82 | 2866 | (value && !regexec(store->value_pattern, value, 0, NULL, 0)); |
f98d863d JS |
2867 | } |
2868 | ||
6e8e7981 GC |
2869 | static int store_aux_event(enum config_event_t type, size_t begin, size_t end, |
2870 | struct config_source *cs, void *data) | |
6ae996f2 JS |
2871 | { |
2872 | struct config_store_data *store = data; | |
2873 | ||
2874 | ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc); | |
2875 | store->parsed[store->parsed_nr].begin = begin; | |
2876 | store->parsed[store->parsed_nr].end = end; | |
2877 | store->parsed[store->parsed_nr].type = type; | |
6ae996f2 JS |
2878 | |
2879 | if (type == CONFIG_EVENT_SECTION) { | |
2d84f13d SB |
2880 | int (*cmpfn)(const char *, const char *, size_t); |
2881 | ||
9b4a6553 GC |
2882 | if (cs->var.len < 2 || cs->var.buf[cs->var.len - 1] != '.') |
2883 | return error(_("invalid section name '%s'"), cs->var.buf); | |
6ae996f2 | 2884 | |
9b4a6553 | 2885 | if (cs->subsection_case_sensitive) |
2d84f13d SB |
2886 | cmpfn = strncasecmp; |
2887 | else | |
2888 | cmpfn = strncmp; | |
2889 | ||
6ae996f2 | 2890 | /* Is this the section we were looking for? */ |
22aedfcc JS |
2891 | store->is_keys_section = |
2892 | store->parsed[store->parsed_nr].is_keys_section = | |
9b4a6553 GC |
2893 | cs->var.len - 1 == store->baselen && |
2894 | !cmpfn(cs->var.buf, store->key, store->baselen); | |
c71d8bb3 JS |
2895 | if (store->is_keys_section) { |
2896 | store->section_seen = 1; | |
2897 | ALLOC_GROW(store->seen, store->seen_nr + 1, | |
2898 | store->seen_alloc); | |
2899 | store->seen[store->seen_nr] = store->parsed_nr; | |
2900 | } | |
6ae996f2 JS |
2901 | } |
2902 | ||
22aedfcc JS |
2903 | store->parsed_nr++; |
2904 | ||
6ae996f2 | 2905 | return 0; |
f98d863d JS |
2906 | } |
2907 | ||
a4e7e317 GC |
2908 | static int store_aux(const char *key, const char *value, |
2909 | const struct config_context *ctx UNUSED, void *cb) | |
10bea152 | 2910 | { |
fee8572c | 2911 | struct config_store_data *store = cb; |
ae9ee41d | 2912 | |
5221c315 | 2913 | if (store->key_seen) { |
fee8572c | 2914 | if (matches(key, value, store)) { |
668b9ade | 2915 | if (store->seen_nr == 1 && store->multi_replace == 0) { |
8262aaa2 | 2916 | warning(_("%s has multiple values"), key); |
10bea152 | 2917 | } |
4ddba79d | 2918 | |
668b9ade JS |
2919 | ALLOC_GROW(store->seen, store->seen_nr + 1, |
2920 | store->seen_alloc); | |
83786fa4 | 2921 | |
6ae996f2 | 2922 | store->seen[store->seen_nr] = store->parsed_nr; |
668b9ade | 2923 | store->seen_nr++; |
10bea152 | 2924 | } |
5221c315 | 2925 | } else if (store->is_keys_section) { |
ae9ee41d | 2926 | /* |
6ae996f2 JS |
2927 | * Do not increment matches yet: this may not be a match, but we |
2928 | * are in the desired section. | |
ae9ee41d | 2929 | */ |
6ae996f2 JS |
2930 | ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc); |
2931 | store->seen[store->seen_nr] = store->parsed_nr; | |
5221c315 | 2932 | store->section_seen = 1; |
ae9ee41d | 2933 | |
6ae996f2 JS |
2934 | if (matches(key, value, store)) { |
2935 | store->seen_nr++; | |
2936 | store->key_seen = 1; | |
bdf0ef08 | 2937 | } |
10bea152 | 2938 | } |
5221c315 | 2939 | |
10bea152 JS |
2940 | return 0; |
2941 | } | |
2942 | ||
64c0d71c | 2943 | static int write_error(const char *filename) |
480c9e52 | 2944 | { |
a769bfc7 | 2945 | error(_("failed to write new configuration file %s"), filename); |
480c9e52 AW |
2946 | |
2947 | /* Same error code as "failed to rename". */ | |
2948 | return 4; | |
2949 | } | |
2950 | ||
fee8572c JS |
2951 | static struct strbuf store_create_section(const char *key, |
2952 | const struct config_store_data *store) | |
10bea152 | 2953 | { |
cb891a59 | 2954 | const char *dot; |
f011a965 | 2955 | size_t i; |
f285a2d7 | 2956 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 2957 | |
fee8572c | 2958 | dot = memchr(key, '.', store->baselen); |
d14f7764 | 2959 | if (dot) { |
cb891a59 | 2960 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
fee8572c | 2961 | for (i = dot - key + 1; i < store->baselen; i++) { |
e5c349ba | 2962 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
2963 | strbuf_addch(&sb, '\\'); |
2964 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 2965 | } |
cb891a59 KH |
2966 | strbuf_addstr(&sb, "\"]\n"); |
2967 | } else { | |
f011a965 JK |
2968 | strbuf_addch(&sb, '['); |
2969 | strbuf_add(&sb, key, store->baselen); | |
2970 | strbuf_addstr(&sb, "]\n"); | |
d14f7764 LT |
2971 | } |
2972 | ||
5463caab SD |
2973 | return sb; |
2974 | } | |
2975 | ||
fee8572c JS |
2976 | static ssize_t write_section(int fd, const char *key, |
2977 | const struct config_store_data *store) | |
5463caab | 2978 | { |
fee8572c | 2979 | struct strbuf sb = store_create_section(key, store); |
3b48045c | 2980 | ssize_t ret; |
5463caab | 2981 | |
782c030e | 2982 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 | 2983 | strbuf_release(&sb); |
480c9e52 | 2984 | |
d9bd4cbb | 2985 | return ret; |
10bea152 JS |
2986 | } |
2987 | ||
fee8572c JS |
2988 | static ssize_t write_pair(int fd, const char *key, const char *value, |
2989 | const struct config_store_data *store) | |
10bea152 | 2990 | { |
d9bd4cbb JK |
2991 | int i; |
2992 | ssize_t ret; | |
cb891a59 | 2993 | const char *quote = ""; |
f285a2d7 | 2994 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 2995 | |
6281f394 JM |
2996 | /* |
2997 | * Check to see if the value needs to be surrounded with a dq pair. | |
2998 | * Note that problematic characters are always backslash-quoted; this | |
2999 | * check is about not losing leading or trailing SP and strings that | |
3000 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
3001 | * configuration parser. | |
3002 | */ | |
cdd4fb15 | 3003 | if (value[0] == ' ') |
cb891a59 | 3004 | quote = "\""; |
cdd4fb15 BG |
3005 | for (i = 0; value[i]; i++) |
3006 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
3007 | quote = "\""; |
3008 | if (i && value[i - 1] == ' ') | |
3009 | quote = "\""; | |
3010 | ||
6c7e6963 | 3011 | strbuf_addf(&sb, "\t%s = %s", key + store->baselen + 1, quote); |
10bea152 | 3012 | |
10bea152 JS |
3013 | for (i = 0; value[i]; i++) |
3014 | switch (value[i]) { | |
480c9e52 | 3015 | case '\n': |
cb891a59 | 3016 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
3017 | break; |
3018 | case '\t': | |
cb891a59 | 3019 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
3020 | break; |
3021 | case '"': | |
3022 | case '\\': | |
cb891a59 | 3023 | strbuf_addch(&sb, '\\'); |
1cf01a34 | 3024 | /* fallthrough */ |
480c9e52 | 3025 | default: |
cb891a59 | 3026 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
3027 | break; |
3028 | } | |
cb891a59 KH |
3029 | strbuf_addf(&sb, "%s\n", quote); |
3030 | ||
d9bd4cbb | 3031 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 KH |
3032 | strbuf_release(&sb); |
3033 | ||
d9bd4cbb | 3034 | return ret; |
10bea152 JS |
3035 | } |
3036 | ||
22aedfcc JS |
3037 | /* |
3038 | * If we are about to unset the last key(s) in a section, and if there are | |
3039 | * no comments surrounding (or included in) the section, we will want to | |
3040 | * extend begin/end to remove the entire section. | |
3041 | * | |
3042 | * Note: the parameter `seen_ptr` points to the index into the store.seen | |
3043 | * array. * This index may be incremented if a section has more than one | |
3044 | * entry (which all are to be removed). | |
3045 | */ | |
3046 | static void maybe_remove_section(struct config_store_data *store, | |
22aedfcc JS |
3047 | size_t *begin_offset, size_t *end_offset, |
3048 | int *seen_ptr) | |
4ddba79d | 3049 | { |
22aedfcc JS |
3050 | size_t begin; |
3051 | int i, seen, section_seen = 0; | |
4ddba79d | 3052 | |
22aedfcc JS |
3053 | /* |
3054 | * First, ensure that this is the first key, and that there are no | |
3055 | * comments before the entry nor before the section header. | |
3056 | */ | |
3057 | seen = *seen_ptr; | |
3058 | for (i = store->seen[seen]; i > 0; i--) { | |
3059 | enum config_event_t type = store->parsed[i - 1].type; | |
3060 | ||
3061 | if (type == CONFIG_EVENT_COMMENT) | |
3062 | /* There is a comment before this entry or section */ | |
3063 | return; | |
3064 | if (type == CONFIG_EVENT_ENTRY) { | |
3065 | if (!section_seen) | |
3066 | /* This is not the section's first entry. */ | |
3067 | return; | |
3068 | /* We encountered no comment before the section. */ | |
3069 | break; | |
3070 | } | |
3071 | if (type == CONFIG_EVENT_SECTION) { | |
3072 | if (!store->parsed[i - 1].is_keys_section) | |
3073 | break; | |
3074 | section_seen = 1; | |
4ddba79d | 3075 | } |
7a31cc0f | 3076 | } |
22aedfcc JS |
3077 | begin = store->parsed[i].begin; |
3078 | ||
3079 | /* | |
46a237f4 | 3080 | * Next, make sure that we are removing the last key(s) in the section, |
22aedfcc JS |
3081 | * and that there are no comments that are possibly about the current |
3082 | * section. | |
3083 | */ | |
3084 | for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) { | |
3085 | enum config_event_t type = store->parsed[i].type; | |
4ddba79d | 3086 | |
22aedfcc JS |
3087 | if (type == CONFIG_EVENT_COMMENT) |
3088 | return; | |
3089 | if (type == CONFIG_EVENT_SECTION) { | |
3090 | if (store->parsed[i].is_keys_section) | |
3091 | continue; | |
3092 | break; | |
3093 | } | |
3094 | if (type == CONFIG_EVENT_ENTRY) { | |
3095 | if (++seen < store->seen_nr && | |
3096 | i == store->seen[seen]) | |
3097 | /* We want to remove this entry, too */ | |
3098 | continue; | |
3099 | /* There is another entry in this section. */ | |
3100 | return; | |
3101 | } | |
3102 | } | |
3103 | ||
3104 | /* | |
3105 | * We are really removing the last entry/entries from this section, and | |
3106 | * there are no enclosed or surrounding comments. Remove the entire, | |
3107 | * now-empty section. | |
3108 | */ | |
3109 | *seen_ptr = seen; | |
3110 | *begin_offset = begin; | |
3111 | if (i < store->parsed_nr) | |
3112 | *end_offset = store->parsed[i].begin; | |
3113 | else | |
3114 | *end_offset = store->parsed[store->parsed_nr - 1].end; | |
4ddba79d JS |
3115 | } |
3116 | ||
30598ad0 PS |
3117 | int git_config_set_in_file_gently(const char *config_filename, |
3118 | const char *key, const char *value) | |
5ec31182 | 3119 | { |
30598ad0 | 3120 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
3121 | } |
3122 | ||
3d180648 PS |
3123 | void git_config_set_in_file(const char *config_filename, |
3124 | const char *key, const char *value) | |
10bea152 | 3125 | { |
3d180648 | 3126 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
3127 | } |
3128 | ||
30598ad0 | 3129 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 3130 | { |
30598ad0 | 3131 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
3132 | } |
3133 | ||
fe187339 DS |
3134 | int repo_config_set_worktree_gently(struct repository *r, |
3135 | const char *key, const char *value) | |
3136 | { | |
b39a8418 | 3137 | /* Only use worktree-specific config if it is already enabled. */ |
3867f6d6 | 3138 | if (r->repository_format_worktree_config) { |
fe187339 DS |
3139 | char *file = repo_git_path(r, "config.worktree"); |
3140 | int ret = git_config_set_multivar_in_file_gently( | |
3141 | file, key, value, NULL, 0); | |
3142 | free(file); | |
3143 | return ret; | |
3144 | } | |
3145 | return repo_config_set_multivar_gently(r, key, value, NULL, 0); | |
3146 | } | |
3147 | ||
3d180648 | 3148 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 3149 | { |
3d180648 | 3150 | git_config_set_multivar(key, value, NULL, 0); |
ee4512ed JH |
3151 | |
3152 | trace2_cmd_set_config(key, value); | |
10bea152 JS |
3153 | } |
3154 | ||
3155 | /* | |
3156 | * If value==NULL, unset in (remove from) config, | |
247e2f82 DS |
3157 | * if value_pattern!=NULL, disregard key/value pairs where value does not match. |
3158 | * if value_pattern==CONFIG_REGEX_NONE, do not match any existing values | |
c1063be2 | 3159 | * (only add a new one) |
504ee129 DS |
3160 | * if flags contains the CONFIG_FLAGS_MULTI_REPLACE flag, all matching |
3161 | * key/values are removed before a single new pair is written. If the | |
3162 | * flag is not present, then replace only the first match. | |
10bea152 JS |
3163 | * |
3164 | * Returns 0 on success. | |
3165 | * | |
3166 | * This function does this: | |
3167 | * | |
3168 | * - it locks the config file by creating ".git/config.lock" | |
3169 | * | |
3170 | * - it then parses the config using store_aux() as validator to find | |
3171 | * the position on the key/value pair to replace. If it is to be unset, | |
3172 | * it must be found exactly once. | |
3173 | * | |
3174 | * - the config file is mmap()ed and the part before the match (if any) is | |
3175 | * written to the lock file, then the changed part and the rest. | |
3176 | * | |
3177 | * - the config file is removed and the lock file rename()d to it. | |
3178 | * | |
3179 | */ | |
30598ad0 PS |
3180 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
3181 | const char *key, const char *value, | |
247e2f82 | 3182 | const char *value_pattern, |
504ee129 | 3183 | unsigned flags) |
10bea152 | 3184 | { |
54d160ec | 3185 | int fd = -1, in_fd = -1; |
dafc88b1 | 3186 | int ret; |
bfffb48c | 3187 | struct lock_file lock = LOCK_INIT; |
0a5f5759 | 3188 | char *filename_buf = NULL; |
3a1b3126 JK |
3189 | char *contents = NULL; |
3190 | size_t contents_sz; | |
a798a56c | 3191 | struct config_store_data store = CONFIG_STORE_INIT; |
fee8572c | 3192 | |
b09c53a3 LP |
3193 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
3194 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
3195 | if (ret) | |
dafc88b1 | 3196 | goto out_free; |
b17e659d | 3197 | |
504ee129 | 3198 | store.multi_replace = (flags & CONFIG_FLAGS_MULTI_REPLACE) != 0; |
10bea152 | 3199 | |
0a5f5759 JK |
3200 | if (!config_filename) |
3201 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
3202 | |
3203 | /* | |
6cbf973c | 3204 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
3205 | * contents of .git/config will be written into it. |
3206 | */ | |
bfffb48c | 3207 | fd = hold_lock_file_for_update(&lock, config_filename, 0); |
6cbf973c | 3208 | if (fd < 0) { |
a769bfc7 | 3209 | error_errno(_("could not lock config file %s"), config_filename); |
7a397419 | 3210 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 3211 | goto out_free; |
10bea152 JS |
3212 | } |
3213 | ||
3214 | /* | |
3215 | * If .git/config does not exist yet, write a minimal version. | |
3216 | */ | |
88fb958b AR |
3217 | in_fd = open(config_filename, O_RDONLY); |
3218 | if ( in_fd < 0 ) { | |
88fb958b | 3219 | if ( ENOENT != errno ) { |
a769bfc7 | 3220 | error_errno(_("opening %s"), config_filename); |
7a397419 | 3221 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 3222 | goto out_free; |
88fb958b | 3223 | } |
10bea152 | 3224 | /* if nothing to unset, error out */ |
afe8a907 | 3225 | if (!value) { |
7a397419 | 3226 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 3227 | goto out_free; |
10bea152 JS |
3228 | } |
3229 | ||
e7347cb9 MÅ |
3230 | free(store.key); |
3231 | store.key = xstrdup(key); | |
fee8572c JS |
3232 | if (write_section(fd, key, &store) < 0 || |
3233 | write_pair(fd, key, value, &store) < 0) | |
93c1e079 JH |
3234 | goto write_err_out; |
3235 | } else { | |
88fb958b | 3236 | struct stat st; |
3a1b3126 | 3237 | size_t copy_begin, copy_end; |
dc49cd76 | 3238 | int i, new_line = 0; |
6ae996f2 | 3239 | struct config_options opts; |
10bea152 | 3240 | |
afe8a907 | 3241 | if (!value_pattern) |
247e2f82 DS |
3242 | store.value_pattern = NULL; |
3243 | else if (value_pattern == CONFIG_REGEX_NONE) | |
3244 | store.value_pattern = CONFIG_REGEX_NONE; | |
c90702a1 DS |
3245 | else if (flags & CONFIG_FLAGS_FIXED_VALUE) |
3246 | store.fixed_value = value_pattern; | |
10bea152 | 3247 | else { |
247e2f82 | 3248 | if (value_pattern[0] == '!') { |
f98d863d | 3249 | store.do_not_match = 1; |
247e2f82 | 3250 | value_pattern++; |
f98d863d JS |
3251 | } else |
3252 | store.do_not_match = 0; | |
3253 | ||
247e2f82 DS |
3254 | store.value_pattern = (regex_t*)xmalloc(sizeof(regex_t)); |
3255 | if (regcomp(store.value_pattern, value_pattern, | |
10bea152 | 3256 | REG_EXTENDED)) { |
247e2f82 DS |
3257 | error(_("invalid pattern: %s"), value_pattern); |
3258 | FREE_AND_NULL(store.value_pattern); | |
7a397419 | 3259 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 3260 | goto out_free; |
10bea152 JS |
3261 | } |
3262 | } | |
3263 | ||
6ae996f2 JS |
3264 | ALLOC_GROW(store.parsed, 1, store.parsed_alloc); |
3265 | store.parsed[0].end = 0; | |
3266 | ||
3267 | memset(&opts, 0, sizeof(opts)); | |
3268 | opts.event_fn = store_aux_event; | |
3269 | opts.event_fn_data = &store; | |
10bea152 JS |
3270 | |
3271 | /* | |
6ae996f2 JS |
3272 | * After this, store.parsed will contain offsets of all the |
3273 | * parsed elements, and store.seen will contain a list of | |
3274 | * matches, as indices into store.parsed. | |
3275 | * | |
10bea152 JS |
3276 | * As a side effect, we make sure to transform only a valid |
3277 | * existing config file. | |
3278 | */ | |
6ae996f2 JS |
3279 | if (git_config_from_file_with_options(store_aux, |
3280 | config_filename, | |
809d8680 GC |
3281 | &store, CONFIG_SCOPE_UNKNOWN, |
3282 | &opts)) { | |
a769bfc7 | 3283 | error(_("invalid config file %s"), config_filename); |
7a397419 | 3284 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 3285 | goto out_free; |
10bea152 JS |
3286 | } |
3287 | ||
4ddba79d | 3288 | /* if nothing to unset, or too many matches, error out */ |
668b9ade | 3289 | if ((store.seen_nr == 0 && value == NULL) || |
504ee129 | 3290 | (store.seen_nr > 1 && !store.multi_replace)) { |
7a397419 | 3291 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 3292 | goto out_free; |
10bea152 JS |
3293 | } |
3294 | ||
29647d79 NTND |
3295 | if (fstat(in_fd, &st) == -1) { |
3296 | error_errno(_("fstat on %s failed"), config_filename); | |
3297 | ret = CONFIG_INVALID_FILE; | |
3298 | goto out_free; | |
3299 | } | |
3300 | ||
dc49cd76 | 3301 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
3302 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
3303 | MAP_PRIVATE, in_fd, 0); | |
3304 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
3305 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
3306 | errno = EISDIR; | |
dc059294 EW |
3307 | error_errno(_("unable to mmap '%s'%s"), |
3308 | config_filename, mmap_os_err()); | |
1570856b JK |
3309 | ret = CONFIG_INVALID_FILE; |
3310 | contents = NULL; | |
3311 | goto out_free; | |
3312 | } | |
10bea152 | 3313 | close(in_fd); |
54d160ec | 3314 | in_fd = -1; |
10bea152 | 3315 | |
bfffb48c | 3316 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 3317 | error_errno(_("chmod on %s failed"), get_lock_file_path(&lock)); |
daa22c6f EW |
3318 | ret = CONFIG_NO_WRITE; |
3319 | goto out_free; | |
3320 | } | |
3321 | ||
6ae996f2 JS |
3322 | if (store.seen_nr == 0) { |
3323 | if (!store.seen_alloc) { | |
3324 | /* Did not see key nor section */ | |
3325 | ALLOC_GROW(store.seen, 1, store.seen_alloc); | |
3326 | store.seen[0] = store.parsed_nr | |
3327 | - !!store.parsed_nr; | |
3328 | } | |
668b9ade | 3329 | store.seen_nr = 1; |
6ae996f2 | 3330 | } |
4ddba79d | 3331 | |
668b9ade | 3332 | for (i = 0, copy_begin = 0; i < store.seen_nr; i++) { |
6ae996f2 JS |
3333 | size_t replace_end; |
3334 | int j = store.seen[i]; | |
3335 | ||
46fc89ce | 3336 | new_line = 0; |
6ae996f2 | 3337 | if (!store.key_seen) { |
c71d8bb3 JS |
3338 | copy_end = store.parsed[j].end; |
3339 | /* include '\n' when copying section header */ | |
3340 | if (copy_end > 0 && copy_end < contents_sz && | |
3341 | contents[copy_end - 1] != '\n' && | |
3342 | contents[copy_end] == '\n') | |
3343 | copy_end++; | |
3344 | replace_end = copy_end; | |
6ae996f2 JS |
3345 | } else { |
3346 | replace_end = store.parsed[j].end; | |
3347 | copy_end = store.parsed[j].begin; | |
22aedfcc | 3348 | if (!value) |
a263ea84 | 3349 | maybe_remove_section(&store, |
22aedfcc JS |
3350 | ©_end, |
3351 | &replace_end, &i); | |
6ae996f2 JS |
3352 | /* |
3353 | * Swallow preceding white-space on the same | |
3354 | * line. | |
3355 | */ | |
3356 | while (copy_end > 0 ) { | |
3357 | char c = contents[copy_end - 1]; | |
3358 | ||
3359 | if (isspace(c) && c != '\n') | |
3360 | copy_end--; | |
3361 | else | |
3362 | break; | |
3363 | } | |
3364 | } | |
4ddba79d | 3365 | |
02e5ba4a JK |
3366 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
3367 | new_line = 1; | |
3368 | ||
4ddba79d JS |
3369 | /* write the first part of the config */ |
3370 | if (copy_end > copy_begin) { | |
93c1e079 | 3371 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 3372 | copy_end - copy_begin) < 0) |
93c1e079 JH |
3373 | goto write_err_out; |
3374 | if (new_line && | |
06f46f23 | 3375 | write_str_in_full(fd, "\n") < 0) |
93c1e079 | 3376 | goto write_err_out; |
4ddba79d | 3377 | } |
6ae996f2 | 3378 | copy_begin = replace_end; |
10bea152 JS |
3379 | } |
3380 | ||
10bea152 | 3381 | /* write the pair (value == NULL means unset) */ |
afe8a907 | 3382 | if (value) { |
5221c315 | 3383 | if (!store.section_seen) { |
fee8572c | 3384 | if (write_section(fd, key, &store) < 0) |
93c1e079 | 3385 | goto write_err_out; |
480c9e52 | 3386 | } |
fee8572c | 3387 | if (write_pair(fd, key, value, &store) < 0) |
93c1e079 | 3388 | goto write_err_out; |
10bea152 JS |
3389 | } |
3390 | ||
3391 | /* write the rest of the config */ | |
dc49cd76 | 3392 | if (copy_begin < contents_sz) |
93c1e079 | 3393 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 3394 | contents_sz - copy_begin) < 0) |
93c1e079 | 3395 | goto write_err_out; |
7a64592c KB |
3396 | |
3397 | munmap(contents, contents_sz); | |
3398 | contents = NULL; | |
10bea152 JS |
3399 | } |
3400 | ||
bfffb48c | 3401 | if (commit_lock_file(&lock) < 0) { |
a769bfc7 | 3402 | error_errno(_("could not write config file %s"), config_filename); |
7a397419 | 3403 | ret = CONFIG_NO_WRITE; |
dafc88b1 | 3404 | goto out_free; |
10bea152 JS |
3405 | } |
3406 | ||
dafc88b1 SH |
3407 | ret = 0; |
3408 | ||
3c8687a7 TA |
3409 | /* Invalidate the config cache */ |
3410 | git_config_clear(); | |
3411 | ||
dafc88b1 | 3412 | out_free: |
bfffb48c | 3413 | rollback_lock_file(&lock); |
0a5f5759 | 3414 | free(filename_buf); |
3a1b3126 JK |
3415 | if (contents) |
3416 | munmap(contents, contents_sz); | |
54d160ec SS |
3417 | if (in_fd >= 0) |
3418 | close(in_fd); | |
2a00e594 | 3419 | config_store_data_clear(&store); |
dafc88b1 | 3420 | return ret; |
93c1e079 JH |
3421 | |
3422 | write_err_out: | |
bfffb48c | 3423 | ret = write_error(get_lock_file_path(&lock)); |
93c1e079 JH |
3424 | goto out_free; |
3425 | ||
10bea152 JS |
3426 | } |
3427 | ||
3d180648 PS |
3428 | void git_config_set_multivar_in_file(const char *config_filename, |
3429 | const char *key, const char *value, | |
247e2f82 | 3430 | const char *value_pattern, unsigned flags) |
b4c8aba6 | 3431 | { |
1cae428e | 3432 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
247e2f82 | 3433 | value_pattern, flags)) |
1cae428e JK |
3434 | return; |
3435 | if (value) | |
8c3ca351 | 3436 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
3437 | else |
3438 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
3439 | } |
3440 | ||
30598ad0 | 3441 | int git_config_set_multivar_gently(const char *key, const char *value, |
247e2f82 | 3442 | const char *value_pattern, unsigned flags) |
5ec31182 | 3443 | { |
fe187339 DS |
3444 | return repo_config_set_multivar_gently(the_repository, key, value, |
3445 | value_pattern, flags); | |
3446 | } | |
3447 | ||
3448 | int repo_config_set_multivar_gently(struct repository *r, const char *key, | |
3449 | const char *value, | |
3450 | const char *value_pattern, unsigned flags) | |
3451 | { | |
3452 | char *file = repo_git_path(r, "config"); | |
3453 | int res = git_config_set_multivar_in_file_gently(file, | |
3454 | key, value, | |
3455 | value_pattern, | |
3456 | flags); | |
3457 | free(file); | |
3458 | return res; | |
5ec31182 RR |
3459 | } |
3460 | ||
3d180648 | 3461 | void git_config_set_multivar(const char *key, const char *value, |
247e2f82 | 3462 | const char *value_pattern, unsigned flags) |
5ec31182 | 3463 | { |
fe187339 DS |
3464 | git_config_set_multivar_in_file(git_path("config"), |
3465 | key, value, value_pattern, | |
504ee129 | 3466 | flags); |
5ec31182 RR |
3467 | } |
3468 | ||
e91cfe60 | 3469 | static size_t section_name_match (const char *buf, const char *name) |
118f8b24 | 3470 | { |
e91cfe60 TB |
3471 | size_t i = 0, j = 0; |
3472 | int dot = 0; | |
a4c0d463 AV |
3473 | if (buf[i] != '[') |
3474 | return 0; | |
3475 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
3476 | if (!dot && isspace(buf[i])) { |
3477 | dot = 1; | |
3478 | if (name[j++] != '.') | |
3479 | break; | |
3480 | for (i++; isspace(buf[i]); i++) | |
3481 | ; /* do nothing */ | |
3482 | if (buf[i] != '"') | |
3483 | break; | |
3484 | continue; | |
3485 | } | |
3486 | if (buf[i] == '\\' && dot) | |
3487 | i++; | |
3488 | else if (buf[i] == '"' && dot) { | |
3489 | for (i++; isspace(buf[i]); i++) | |
3490 | ; /* do_nothing */ | |
3491 | break; | |
3492 | } | |
3493 | if (buf[i] != name[j++]) | |
3494 | break; | |
3495 | } | |
a4c0d463 AV |
3496 | if (buf[i] == ']' && name[j] == 0) { |
3497 | /* | |
3498 | * We match, now just find the right length offset by | |
3499 | * gobbling up any whitespace after it, as well | |
3500 | */ | |
3501 | i++; | |
3502 | for (; buf[i] && isspace(buf[i]); i++) | |
3503 | ; /* do nothing */ | |
3504 | return i; | |
3505 | } | |
3506 | return 0; | |
118f8b24 PB |
3507 | } |
3508 | ||
94a35b1a JK |
3509 | static int section_name_is_ok(const char *name) |
3510 | { | |
3511 | /* Empty section names are bogus. */ | |
3512 | if (!*name) | |
3513 | return 0; | |
3514 | ||
3515 | /* | |
3516 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
3517 | * anything goes, so we can stop checking. | |
3518 | */ | |
3519 | for (; *name && *name != '.'; name++) | |
3520 | if (*name != '-' && !isalnum(*name)) | |
3521 | return 0; | |
3522 | return 1; | |
3523 | } | |
3524 | ||
3bb3d6ba TB |
3525 | #define GIT_CONFIG_MAX_LINE_LEN (512 * 1024) |
3526 | ||
118f8b24 | 3527 | /* if new_name == NULL, the section is removed instead */ |
52d59cc6 | 3528 | static int git_config_copy_or_rename_section_in_file(const char *config_filename, |
fee8572c JS |
3529 | const char *old_name, |
3530 | const char *new_name, int copy) | |
0667fcfb | 3531 | { |
118f8b24 | 3532 | int ret = 0, remove = 0; |
42bd39b5 | 3533 | char *filename_buf = NULL; |
837e34eb | 3534 | struct lock_file lock = LOCK_INIT; |
0667fcfb | 3535 | int out_fd; |
a5bb10fd | 3536 | struct strbuf buf = STRBUF_INIT; |
4db7dbdb | 3537 | FILE *config_file = NULL; |
daa22c6f | 3538 | struct stat st; |
52d59cc6 | 3539 | struct strbuf copystr = STRBUF_INIT; |
fee8572c | 3540 | struct config_store_data store; |
3bb3d6ba | 3541 | uint32_t line_nr = 0; |
fee8572c JS |
3542 | |
3543 | memset(&store, 0, sizeof(store)); | |
0667fcfb | 3544 | |
94a35b1a | 3545 | if (new_name && !section_name_is_ok(new_name)) { |
a769bfc7 | 3546 | ret = error(_("invalid section name: %s"), new_name); |
c06fa62d | 3547 | goto out_no_rollback; |
94a35b1a JK |
3548 | } |
3549 | ||
42bd39b5 JK |
3550 | if (!config_filename) |
3551 | config_filename = filename_buf = git_pathdup("config"); | |
3552 | ||
837e34eb | 3553 | out_fd = hold_lock_file_for_update(&lock, config_filename, 0); |
fc1905bb | 3554 | if (out_fd < 0) { |
a769bfc7 | 3555 | ret = error(_("could not lock config file %s"), config_filename); |
fc1905bb JH |
3556 | goto out; |
3557 | } | |
0667fcfb | 3558 | |
fc1905bb | 3559 | if (!(config_file = fopen(config_filename, "rb"))) { |
11dc1fcb NTND |
3560 | ret = warn_on_fopen_errors(config_filename); |
3561 | if (ret) | |
3562 | goto out; | |
01ebb9dc | 3563 | /* no config file means nothing to rename, no error */ |
6e45b43f | 3564 | goto commit_and_out; |
fc1905bb | 3565 | } |
0667fcfb | 3566 | |
29647d79 NTND |
3567 | if (fstat(fileno(config_file), &st) == -1) { |
3568 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
3569 | goto out; | |
3570 | } | |
daa22c6f | 3571 | |
837e34eb | 3572 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 3573 | ret = error_errno(_("chmod on %s failed"), |
837e34eb | 3574 | get_lock_file_path(&lock)); |
daa22c6f EW |
3575 | goto out; |
3576 | } | |
3577 | ||
a5bb10fd | 3578 | while (!strbuf_getwholeline(&buf, config_file, '\n')) { |
e91cfe60 | 3579 | size_t i, length; |
52d59cc6 | 3580 | int is_section = 0; |
a5bb10fd | 3581 | char *output = buf.buf; |
3bb3d6ba TB |
3582 | |
3583 | line_nr++; | |
3584 | ||
3585 | if (buf.len >= GIT_CONFIG_MAX_LINE_LEN) { | |
3586 | ret = error(_("refusing to work with overly long line " | |
3587 | "in '%s' on line %"PRIuMAX), | |
3588 | config_filename, (uintmax_t)line_nr); | |
3589 | goto out; | |
3590 | } | |
3591 | ||
a5bb10fd | 3592 | for (i = 0; buf.buf[i] && isspace(buf.buf[i]); i++) |
0667fcfb | 3593 | ; /* do nothing */ |
a5bb10fd | 3594 | if (buf.buf[i] == '[') { |
0667fcfb | 3595 | /* it's a section */ |
e91cfe60 | 3596 | size_t offset; |
52d59cc6 SD |
3597 | is_section = 1; |
3598 | ||
3599 | /* | |
3600 | * When encountering a new section under -c we | |
3601 | * need to flush out any section we're already | |
3602 | * coping and begin anew. There might be | |
3603 | * multiple [branch "$name"] sections. | |
3604 | */ | |
3605 | if (copystr.len > 0) { | |
c5e3bc6e | 3606 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3607 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3608 | goto out; |
3609 | } | |
3610 | strbuf_reset(©str); | |
3611 | } | |
3612 | ||
a5bb10fd | 3613 | offset = section_name_match(&buf.buf[i], old_name); |
a4c0d463 | 3614 | if (offset > 0) { |
118f8b24 | 3615 | ret++; |
afe8a907 | 3616 | if (!new_name) { |
118f8b24 | 3617 | remove = 1; |
0667fcfb JS |
3618 | continue; |
3619 | } | |
0667fcfb | 3620 | store.baselen = strlen(new_name); |
52d59cc6 | 3621 | if (!copy) { |
fee8572c | 3622 | if (write_section(out_fd, new_name, &store) < 0) { |
0b646bca | 3623 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3624 | goto out; |
3625 | } | |
9a5abfc7 | 3626 | /* |
52d59cc6 SD |
3627 | * We wrote out the new section, with |
3628 | * a newline, now skip the old | |
3629 | * section's length | |
9a5abfc7 | 3630 | */ |
52d59cc6 SD |
3631 | output += offset + i; |
3632 | if (strlen(output) > 0) { | |
3633 | /* | |
3634 | * More content means there's | |
3635 | * a declaration to put on the | |
3636 | * next line; indent with a | |
3637 | * tab | |
3638 | */ | |
3639 | output -= 1; | |
3640 | output[0] = '\t'; | |
3641 | } | |
3642 | } else { | |
5e786ed3 | 3643 | strbuf_release(©str); |
fee8572c | 3644 | copystr = store_create_section(new_name, &store); |
9a5abfc7 | 3645 | } |
0667fcfb | 3646 | } |
118f8b24 | 3647 | remove = 0; |
0667fcfb | 3648 | } |
118f8b24 PB |
3649 | if (remove) |
3650 | continue; | |
9a5abfc7 | 3651 | length = strlen(output); |
52d59cc6 SD |
3652 | |
3653 | if (!is_section && copystr.len > 0) { | |
3654 | strbuf_add(©str, output, length); | |
3655 | } | |
3656 | ||
06f46f23 | 3657 | if (write_in_full(out_fd, output, length) < 0) { |
837e34eb | 3658 | ret = write_error(get_lock_file_path(&lock)); |
480c9e52 AW |
3659 | goto out; |
3660 | } | |
0667fcfb | 3661 | } |
52d59cc6 SD |
3662 | |
3663 | /* | |
3664 | * Copy a trailing section at the end of the config, won't be | |
3665 | * flushed by the usual "flush because we have a new section | |
3666 | * logic in the loop above. | |
3667 | */ | |
3668 | if (copystr.len > 0) { | |
c5e3bc6e | 3669 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3670 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3671 | goto out; |
3672 | } | |
3673 | strbuf_reset(©str); | |
3674 | } | |
3675 | ||
fc1905bb | 3676 | fclose(config_file); |
4db7dbdb | 3677 | config_file = NULL; |
6e45b43f | 3678 | commit_and_out: |
837e34eb | 3679 | if (commit_lock_file(&lock) < 0) |
a769bfc7 | 3680 | ret = error_errno(_("could not write config file %s"), |
f0658ec9 | 3681 | config_filename); |
8b590075 | 3682 | out: |
4db7dbdb JS |
3683 | if (config_file) |
3684 | fclose(config_file); | |
837e34eb | 3685 | rollback_lock_file(&lock); |
c06fa62d | 3686 | out_no_rollback: |
42bd39b5 | 3687 | free(filename_buf); |
2a00e594 | 3688 | config_store_data_clear(&store); |
a5bb10fd | 3689 | strbuf_release(&buf); |
003c1f11 | 3690 | strbuf_release(©str); |
0667fcfb JS |
3691 | return ret; |
3692 | } | |
40ea4ed9 | 3693 | |
52d59cc6 SD |
3694 | int git_config_rename_section_in_file(const char *config_filename, |
3695 | const char *old_name, const char *new_name) | |
3696 | { | |
3697 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3698 | old_name, new_name, 0); | |
3699 | } | |
3700 | ||
42bd39b5 JK |
3701 | int git_config_rename_section(const char *old_name, const char *new_name) |
3702 | { | |
4a7bb5ba | 3703 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
3704 | } |
3705 | ||
52d59cc6 SD |
3706 | int git_config_copy_section_in_file(const char *config_filename, |
3707 | const char *old_name, const char *new_name) | |
3708 | { | |
3709 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3710 | old_name, new_name, 1); | |
3711 | } | |
3712 | ||
3713 | int git_config_copy_section(const char *old_name, const char *new_name) | |
3714 | { | |
3715 | return git_config_copy_section_in_file(NULL, old_name, new_name); | |
3716 | } | |
3717 | ||
40ea4ed9 JH |
3718 | /* |
3719 | * Call this to report error for your variable that should not | |
3720 | * get a boolean value (i.e. "[my] var" means "true"). | |
3721 | */ | |
a469a101 | 3722 | #undef config_error_nonbool |
40ea4ed9 JH |
3723 | int config_error_nonbool(const char *var) |
3724 | { | |
a769bfc7 | 3725 | return error(_("missing value for '%s'"), var); |
40ea4ed9 | 3726 | } |
1b86bbb0 JK |
3727 | |
3728 | int parse_config_key(const char *var, | |
3729 | const char *section, | |
f5914f4b | 3730 | const char **subsection, size_t *subsection_len, |
1b86bbb0 JK |
3731 | const char **key) |
3732 | { | |
1b86bbb0 JK |
3733 | const char *dot; |
3734 | ||
3735 | /* Does it start with "section." ? */ | |
e3394fdc | 3736 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
3737 | return -1; |
3738 | ||
3739 | /* | |
3740 | * Find the key; we don't know yet if we have a subsection, but we must | |
3741 | * parse backwards from the end, since the subsection may have dots in | |
3742 | * it, too. | |
3743 | */ | |
3744 | dot = strrchr(var, '.'); | |
3745 | *key = dot + 1; | |
3746 | ||
3747 | /* Did we have a subsection at all? */ | |
e3394fdc | 3748 | if (dot == var) { |
48f8d9f7 JK |
3749 | if (subsection) { |
3750 | *subsection = NULL; | |
3751 | *subsection_len = 0; | |
3752 | } | |
1b86bbb0 JK |
3753 | } |
3754 | else { | |
48f8d9f7 JK |
3755 | if (!subsection) |
3756 | return -1; | |
e3394fdc | 3757 | *subsection = var + 1; |
1b86bbb0 JK |
3758 | *subsection_len = dot - *subsection; |
3759 | } | |
3760 | ||
3761 | return 0; | |
3762 | } | |
473166b9 | 3763 | |
6021e1d1 | 3764 | const char *config_origin_type_name(enum config_origin_type type) |
e2016508 | 3765 | { |
1b8132d9 VA |
3766 | switch (type) { |
3767 | case CONFIG_ORIGIN_BLOB: | |
3768 | return "blob"; | |
3769 | case CONFIG_ORIGIN_FILE: | |
3770 | return "file"; | |
3771 | case CONFIG_ORIGIN_STDIN: | |
3772 | return "standard input"; | |
3773 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
3774 | return "submodule-blob"; | |
3775 | case CONFIG_ORIGIN_CMDLINE: | |
3776 | return "command line"; | |
3777 | default: | |
033abf97 | 3778 | BUG("unknown config origin type"); |
1b8132d9 | 3779 | } |
473166b9 LS |
3780 | } |
3781 | ||
a5cb4204 MR |
3782 | const char *config_scope_name(enum config_scope scope) |
3783 | { | |
3784 | switch (scope) { | |
3785 | case CONFIG_SCOPE_SYSTEM: | |
3786 | return "system"; | |
3787 | case CONFIG_SCOPE_GLOBAL: | |
3788 | return "global"; | |
6dc905d9 MR |
3789 | case CONFIG_SCOPE_LOCAL: |
3790 | return "local"; | |
3791 | case CONFIG_SCOPE_WORKTREE: | |
3792 | return "worktree"; | |
6766e41b MR |
3793 | case CONFIG_SCOPE_COMMAND: |
3794 | return "command"; | |
9a83d088 MR |
3795 | case CONFIG_SCOPE_SUBMODULE: |
3796 | return "submodule"; | |
a5cb4204 MR |
3797 | default: |
3798 | return "unknown"; | |
3799 | } | |
3800 | } | |
3801 | ||
a73b3680 NTND |
3802 | int lookup_config(const char **mapping, int nr_mapping, const char *var) |
3803 | { | |
3804 | int i; | |
3805 | ||
3806 | for (i = 0; i < nr_mapping; i++) { | |
3807 | const char *name = mapping[i]; | |
3808 | ||
3809 | if (name && !strcasecmp(var, name)) | |
3810 | return i; | |
3811 | } | |
3812 | return -1; | |
3813 | } |