]>
Commit | Line | Data |
---|---|---|
10bea152 JS |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | * Copyright (C) Johannes Schindelin, 2005 | |
6 | * | |
7 | */ | |
17712991 | 8 | #include "cache.h" |
88c7b4c3 | 9 | #include "date.h" |
e730b81d | 10 | #include "branch.h" |
b2141fc1 | 11 | #include "config.h" |
d8d77153 | 12 | #include "environment.h" |
3b256228 | 13 | #include "repository.h" |
697cc8ef | 14 | #include "lockfile.h" |
d807c4a0 | 15 | #include "exec-cmd.h" |
572e4f6a | 16 | #include "strbuf.h" |
2b64fc89 | 17 | #include "quote.h" |
3c8687a7 TA |
18 | #include "hashmap.h" |
19 | #include "string-list.h" | |
cbd53a21 | 20 | #include "object-store.h" |
599446dc | 21 | #include "utf8.h" |
3efd0bed | 22 | #include "dir.h" |
6d2f9acc | 23 | #include "color.h" |
07b2c0ea | 24 | #include "refs.h" |
fe187339 | 25 | #include "worktree.h" |
17712991 | 26 | |
4d8dd149 HV |
27 | struct config_source { |
28 | struct config_source *prev; | |
29 | union { | |
30 | FILE *file; | |
1bc88819 HV |
31 | struct config_buf { |
32 | const char *buf; | |
33 | size_t len; | |
34 | size_t pos; | |
35 | } buf; | |
4d8dd149 | 36 | } u; |
1b8132d9 | 37 | enum config_origin_type origin_type; |
924aaf3e | 38 | const char *name; |
d14d4244 | 39 | const char *path; |
66f97228 | 40 | enum config_error_action default_error_action; |
924aaf3e RJ |
41 | int linenr; |
42 | int eof; | |
348482de | 43 | size_t total_len; |
924aaf3e | 44 | struct strbuf value; |
0971e992 | 45 | struct strbuf var; |
2d84f13d | 46 | unsigned subsection_case_sensitive : 1; |
924aaf3e | 47 | |
49d6cfa5 JK |
48 | int (*do_fgetc)(struct config_source *c); |
49 | int (*do_ungetc)(int c, struct config_source *conf); | |
50 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 | 51 | }; |
c009bc89 | 52 | #define CONFIG_SOURCE_INIT { 0 } |
4d8dd149 | 53 | |
0c602851 GC |
54 | struct config_reader { |
55 | struct config_source *source; | |
56 | }; | |
57 | /* | |
58 | * Where possible, prefer to accept "struct config_reader" as an arg than to use | |
59 | * "the_reader". "the_reader" should only be used if that is infeasible, e.g. in | |
60 | * a public function. | |
61 | */ | |
62 | static struct config_reader the_reader; | |
63 | ||
0d44a2da JK |
64 | /* |
65 | * These variables record the "current" config source, which | |
66 | * can be accessed by parsing callbacks. | |
67 | * | |
c97f3ed2 GC |
68 | * The "cf_global" variable will be non-NULL only when we are actually |
69 | * parsing a real config source (file, blob, cmdline, etc). | |
0d44a2da JK |
70 | * |
71 | * The "current_config_kvi" variable will be non-NULL only when we are feeding | |
72 | * cached config from a configset into a callback. | |
73 | * | |
74 | * They should generally never be non-NULL at the same time. If they are both | |
75 | * NULL, then we aren't parsing anything (and depending on the function looking | |
76 | * at the variables, it's either a bug for it to be called in the first place, | |
77 | * or it's a function which can be reused for non-config purposes, and should | |
78 | * fall back to some sane behavior). | |
0c602851 GC |
79 | * |
80 | * FIXME "cf_global" has been replaced by "the_reader.source", remove | |
81 | * "cf_global" once we plumb "the_reader" through all of the callback functions. | |
0d44a2da | 82 | */ |
c97f3ed2 | 83 | static struct config_source *cf_global; |
0d44a2da | 84 | static struct key_value_info *current_config_kvi; |
924aaf3e | 85 | |
9acc5911 JK |
86 | /* |
87 | * Similar to the variables above, this gives access to the "scope" of the | |
88 | * current value (repo, global, etc). For cached values, it can be found via | |
89 | * the current_config_kvi as above. During parsing, the current value can be | |
c97f3ed2 GC |
90 | * found in this variable. It's not part of "cf_global" because it transcends a |
91 | * single file (i.e., a file included from .git/config is still in "repo" | |
92 | * scope). | |
9acc5911 JK |
93 | */ |
94 | static enum config_scope current_parsing_scope; | |
924aaf3e | 95 | |
0c602851 GC |
96 | static inline void config_reader_push_source(struct config_reader *reader, |
97 | struct config_source *top) | |
c009bc89 | 98 | { |
0c602851 GC |
99 | top->prev = reader->source; |
100 | reader->source = top; | |
101 | /* FIXME remove this when cf_global is removed. */ | |
102 | cf_global = reader->source; | |
c009bc89 GC |
103 | } |
104 | ||
0c602851 | 105 | static inline struct config_source *config_reader_pop_source(struct config_reader *reader) |
c009bc89 GC |
106 | { |
107 | struct config_source *ret; | |
0c602851 | 108 | if (!reader->source) |
c009bc89 | 109 | BUG("tried to pop config source, but we weren't reading config"); |
0c602851 GC |
110 | ret = reader->source; |
111 | reader->source = reader->source->prev; | |
112 | /* FIXME remove this when cf_global is removed. */ | |
113 | cf_global = reader->source; | |
c009bc89 GC |
114 | return ret; |
115 | } | |
116 | ||
8de7eeb5 | 117 | static int pack_compression_seen; |
960ccca6 DH |
118 | static int zlib_compression_seen; |
119 | ||
5b3c6507 GC |
120 | /* |
121 | * Config that comes from trusted scopes, namely: | |
122 | * - CONFIG_SCOPE_SYSTEM (e.g. /etc/gitconfig) | |
123 | * - CONFIG_SCOPE_GLOBAL (e.g. $HOME/.gitconfig, $XDG_CONFIG_HOME/git) | |
124 | * - CONFIG_SCOPE_COMMAND (e.g. "-c" option, environment variables) | |
125 | * | |
126 | * This is declared here for code cleanliness, but unlike the other | |
127 | * static variables, this does not hold config parser state. | |
128 | */ | |
129 | static struct config_set protected_config; | |
130 | ||
4d8dd149 HV |
131 | static int config_file_fgetc(struct config_source *conf) |
132 | { | |
260d408e | 133 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
134 | } |
135 | ||
136 | static int config_file_ungetc(int c, struct config_source *conf) | |
137 | { | |
138 | return ungetc(c, conf->u.file); | |
139 | } | |
140 | ||
141 | static long config_file_ftell(struct config_source *conf) | |
142 | { | |
143 | return ftell(conf->u.file); | |
144 | } | |
145 | ||
1bc88819 HV |
146 | |
147 | static int config_buf_fgetc(struct config_source *conf) | |
148 | { | |
149 | if (conf->u.buf.pos < conf->u.buf.len) | |
150 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
151 | ||
152 | return EOF; | |
153 | } | |
154 | ||
155 | static int config_buf_ungetc(int c, struct config_source *conf) | |
156 | { | |
1d0655c1 JK |
157 | if (conf->u.buf.pos > 0) { |
158 | conf->u.buf.pos--; | |
159 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
033abf97 | 160 | BUG("config_buf can only ungetc the same character"); |
1d0655c1 JK |
161 | return c; |
162 | } | |
1bc88819 HV |
163 | |
164 | return EOF; | |
165 | } | |
166 | ||
167 | static long config_buf_ftell(struct config_source *conf) | |
168 | { | |
169 | return conf->u.buf.pos; | |
170 | } | |
171 | ||
ed69e11b JT |
172 | struct config_include_data { |
173 | int depth; | |
174 | config_fn_t fn; | |
175 | void *data; | |
176 | const struct config_options *opts; | |
399b1984 JT |
177 | struct git_config_source *config_source; |
178 | ||
179 | /* | |
180 | * All remote URLs discovered when reading all config files. | |
181 | */ | |
182 | struct string_list *remote_urls; | |
ed69e11b JT |
183 | }; |
184 | #define CONFIG_INCLUDE_INIT { 0 } | |
185 | ||
186 | static int git_config_include(const char *var, const char *value, void *data); | |
187 | ||
9b25a0b5 | 188 | #define MAX_INCLUDE_DEPTH 10 |
a769bfc7 | 189 | static const char include_depth_advice[] = N_( |
9b25a0b5 JK |
190 | "exceeded maximum include depth (%d) while including\n" |
191 | " %s\n" | |
192 | "from\n" | |
193 | " %s\n" | |
27c929ed | 194 | "This might be due to circular includes."); |
c97f3ed2 GC |
195 | static int handle_path_include(struct config_source *cf, const char *path, |
196 | struct config_include_data *inc) | |
9b25a0b5 JK |
197 | { |
198 | int ret = 0; | |
199 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 200 | char *expanded; |
4c0a89fc | 201 | |
67beb600 JK |
202 | if (!path) |
203 | return config_error_nonbool("include.path"); | |
204 | ||
a03b097d | 205 | expanded = interpolate_path(path, 0); |
4c0a89fc | 206 | if (!expanded) |
a769bfc7 | 207 | return error(_("could not expand include path '%s'"), path); |
4c0a89fc | 208 | path = expanded; |
9b25a0b5 JK |
209 | |
210 | /* | |
211 | * Use an absolute path as-is, but interpret relative paths | |
212 | * based on the including config file. | |
213 | */ | |
214 | if (!is_absolute_path(path)) { | |
215 | char *slash; | |
216 | ||
25ad7221 ÆAB |
217 | if (!cf || !cf->path) { |
218 | ret = error(_("relative config includes must come from files")); | |
219 | goto cleanup; | |
220 | } | |
9b25a0b5 | 221 | |
d14d4244 | 222 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 223 | if (slash) |
d14d4244 | 224 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
225 | strbuf_addstr(&buf, path); |
226 | path = buf.buf; | |
227 | } | |
228 | ||
4698c8fe | 229 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 | 230 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
a769bfc7 | 231 | die(_(include_depth_advice), MAX_INCLUDE_DEPTH, path, |
3258258f JK |
232 | !cf ? "<unknown>" : |
233 | cf->name ? cf->name : | |
234 | "the command line"); | |
9b25a0b5 JK |
235 | ret = git_config_from_file(git_config_include, path, inc); |
236 | inc->depth--; | |
237 | } | |
25ad7221 | 238 | cleanup: |
9b25a0b5 | 239 | strbuf_release(&buf); |
4c0a89fc | 240 | free(expanded); |
9b25a0b5 JK |
241 | return ret; |
242 | } | |
243 | ||
07b2c0ea DL |
244 | static void add_trailing_starstar_for_dir(struct strbuf *pat) |
245 | { | |
246 | if (pat->len && is_dir_sep(pat->buf[pat->len - 1])) | |
247 | strbuf_addstr(pat, "**"); | |
248 | } | |
249 | ||
c97f3ed2 GC |
250 | static int prepare_include_condition_pattern(struct config_source *cf, |
251 | struct strbuf *pat) | |
3efd0bed NTND |
252 | { |
253 | struct strbuf path = STRBUF_INIT; | |
254 | char *expanded; | |
255 | int prefix = 0; | |
256 | ||
a03b097d | 257 | expanded = interpolate_path(pat->buf, 1); |
3efd0bed NTND |
258 | if (expanded) { |
259 | strbuf_reset(pat); | |
260 | strbuf_addstr(pat, expanded); | |
261 | free(expanded); | |
262 | } | |
263 | ||
264 | if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) { | |
265 | const char *slash; | |
266 | ||
267 | if (!cf || !cf->path) | |
268 | return error(_("relative config include " | |
269 | "conditionals must come from files")); | |
270 | ||
86f95157 | 271 | strbuf_realpath(&path, cf->path, 1); |
3efd0bed NTND |
272 | slash = find_last_dir_sep(path.buf); |
273 | if (!slash) | |
033abf97 | 274 | BUG("how is this possible?"); |
3efd0bed NTND |
275 | strbuf_splice(pat, 0, 1, path.buf, slash - path.buf); |
276 | prefix = slash - path.buf + 1 /* slash */; | |
277 | } else if (!is_absolute_path(pat->buf)) | |
a91cc7fa | 278 | strbuf_insertstr(pat, 0, "**/"); |
3efd0bed | 279 | |
07b2c0ea | 280 | add_trailing_starstar_for_dir(pat); |
3efd0bed NTND |
281 | |
282 | strbuf_release(&path); | |
283 | return prefix; | |
284 | } | |
285 | ||
c97f3ed2 GC |
286 | static int include_by_gitdir(struct config_source *cf, |
287 | const struct config_options *opts, | |
2185fde5 | 288 | const char *cond, size_t cond_len, int icase) |
3efd0bed NTND |
289 | { |
290 | struct strbuf text = STRBUF_INIT; | |
291 | struct strbuf pattern = STRBUF_INIT; | |
292 | int ret = 0, prefix; | |
2185fde5 | 293 | const char *git_dir; |
0624c63c | 294 | int already_tried_absolute = 0; |
3efd0bed | 295 | |
2185fde5 NTND |
296 | if (opts->git_dir) |
297 | git_dir = opts->git_dir; | |
2185fde5 NTND |
298 | else |
299 | goto done; | |
300 | ||
c9672ba4 | 301 | strbuf_realpath(&text, git_dir, 1); |
3efd0bed | 302 | strbuf_add(&pattern, cond, cond_len); |
c97f3ed2 | 303 | prefix = prepare_include_condition_pattern(cf, &pattern); |
3efd0bed | 304 | |
0624c63c | 305 | again: |
3efd0bed NTND |
306 | if (prefix < 0) |
307 | goto done; | |
308 | ||
309 | if (prefix > 0) { | |
310 | /* | |
311 | * perform literal matching on the prefix part so that | |
312 | * any wildcard character in it can't create side effects. | |
313 | */ | |
314 | if (text.len < prefix) | |
315 | goto done; | |
316 | if (!icase && strncmp(pattern.buf, text.buf, prefix)) | |
317 | goto done; | |
318 | if (icase && strncasecmp(pattern.buf, text.buf, prefix)) | |
319 | goto done; | |
320 | } | |
321 | ||
322 | ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, | |
19e7fdaa | 323 | WM_PATHNAME | (icase ? WM_CASEFOLD : 0)); |
3efd0bed | 324 | |
0624c63c ÆAB |
325 | if (!ret && !already_tried_absolute) { |
326 | /* | |
327 | * We've tried e.g. matching gitdir:~/work, but if | |
328 | * ~/work is a symlink to /mnt/storage/work | |
329 | * strbuf_realpath() will expand it, so the rule won't | |
330 | * match. Let's match against a | |
331 | * strbuf_add_absolute_path() version of the path, | |
332 | * which'll do the right thing | |
333 | */ | |
334 | strbuf_reset(&text); | |
335 | strbuf_add_absolute_path(&text, git_dir); | |
336 | already_tried_absolute = 1; | |
337 | goto again; | |
338 | } | |
3efd0bed NTND |
339 | done: |
340 | strbuf_release(&pattern); | |
341 | strbuf_release(&text); | |
342 | return ret; | |
343 | } | |
344 | ||
07b2c0ea DL |
345 | static int include_by_branch(const char *cond, size_t cond_len) |
346 | { | |
347 | int flags; | |
348 | int ret; | |
349 | struct strbuf pattern = STRBUF_INIT; | |
22932d91 | 350 | const char *refname = !the_repository->gitdir ? |
85fe0e80 | 351 | NULL : resolve_ref_unsafe("HEAD", 0, NULL, &flags); |
07b2c0ea DL |
352 | const char *shortname; |
353 | ||
354 | if (!refname || !(flags & REF_ISSYMREF) || | |
355 | !skip_prefix(refname, "refs/heads/", &shortname)) | |
356 | return 0; | |
357 | ||
358 | strbuf_add(&pattern, cond, cond_len); | |
359 | add_trailing_starstar_for_dir(&pattern); | |
360 | ret = !wildmatch(pattern.buf, shortname, WM_PATHNAME); | |
361 | strbuf_release(&pattern); | |
362 | return ret; | |
363 | } | |
364 | ||
399b1984 JT |
365 | static int add_remote_url(const char *var, const char *value, void *data) |
366 | { | |
367 | struct string_list *remote_urls = data; | |
368 | const char *remote_name; | |
369 | size_t remote_name_len; | |
370 | const char *key; | |
371 | ||
372 | if (!parse_config_key(var, "remote", &remote_name, &remote_name_len, | |
373 | &key) && | |
374 | remote_name && | |
375 | !strcmp(key, "url")) | |
376 | string_list_append(remote_urls, value); | |
377 | return 0; | |
378 | } | |
379 | ||
380 | static void populate_remote_urls(struct config_include_data *inc) | |
381 | { | |
382 | struct config_options opts; | |
383 | ||
399b1984 JT |
384 | struct key_value_info *store_kvi = current_config_kvi; |
385 | enum config_scope store_scope = current_parsing_scope; | |
386 | ||
387 | opts = *inc->opts; | |
388 | opts.unconditional_remote_url = 1; | |
389 | ||
399b1984 JT |
390 | current_config_kvi = NULL; |
391 | current_parsing_scope = 0; | |
392 | ||
393 | inc->remote_urls = xmalloc(sizeof(*inc->remote_urls)); | |
394 | string_list_init_dup(inc->remote_urls); | |
395 | config_with_options(add_remote_url, inc->remote_urls, inc->config_source, &opts); | |
396 | ||
399b1984 JT |
397 | current_config_kvi = store_kvi; |
398 | current_parsing_scope = store_scope; | |
399 | } | |
400 | ||
5cf88fd8 ÆAB |
401 | static int forbid_remote_url(const char *var, const char *value UNUSED, |
402 | void *data UNUSED) | |
399b1984 JT |
403 | { |
404 | const char *remote_name; | |
405 | size_t remote_name_len; | |
406 | const char *key; | |
407 | ||
408 | if (!parse_config_key(var, "remote", &remote_name, &remote_name_len, | |
409 | &key) && | |
410 | remote_name && | |
411 | !strcmp(key, "url")) | |
412 | die(_("remote URLs cannot be configured in file directly or indirectly included by includeIf.hasconfig:remote.*.url")); | |
413 | return 0; | |
414 | } | |
415 | ||
416 | static int at_least_one_url_matches_glob(const char *glob, int glob_len, | |
417 | struct string_list *remote_urls) | |
418 | { | |
419 | struct strbuf pattern = STRBUF_INIT; | |
420 | struct string_list_item *url_item; | |
421 | int found = 0; | |
422 | ||
423 | strbuf_add(&pattern, glob, glob_len); | |
424 | for_each_string_list_item(url_item, remote_urls) { | |
425 | if (!wildmatch(pattern.buf, url_item->string, WM_PATHNAME)) { | |
426 | found = 1; | |
427 | break; | |
428 | } | |
429 | } | |
430 | strbuf_release(&pattern); | |
431 | return found; | |
432 | } | |
433 | ||
434 | static int include_by_remote_url(struct config_include_data *inc, | |
435 | const char *cond, size_t cond_len) | |
436 | { | |
437 | if (inc->opts->unconditional_remote_url) | |
438 | return 1; | |
439 | if (!inc->remote_urls) | |
440 | populate_remote_urls(inc); | |
441 | return at_least_one_url_matches_glob(cond, cond_len, | |
442 | inc->remote_urls); | |
443 | } | |
444 | ||
c97f3ed2 GC |
445 | static int include_condition_is_true(struct config_source *cf, |
446 | struct config_include_data *inc, | |
2185fde5 | 447 | const char *cond, size_t cond_len) |
3efd0bed | 448 | { |
399b1984 | 449 | const struct config_options *opts = inc->opts; |
3efd0bed NTND |
450 | |
451 | if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len)) | |
c97f3ed2 | 452 | return include_by_gitdir(cf, opts, cond, cond_len, 0); |
3efd0bed | 453 | else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len)) |
c97f3ed2 | 454 | return include_by_gitdir(cf, opts, cond, cond_len, 1); |
07b2c0ea DL |
455 | else if (skip_prefix_mem(cond, cond_len, "onbranch:", &cond, &cond_len)) |
456 | return include_by_branch(cond, cond_len); | |
399b1984 JT |
457 | else if (skip_prefix_mem(cond, cond_len, "hasconfig:remote.*.url:", &cond, |
458 | &cond_len)) | |
459 | return include_by_remote_url(inc, cond, cond_len); | |
3efd0bed NTND |
460 | |
461 | /* unknown conditionals are always false */ | |
462 | return 0; | |
463 | } | |
464 | ||
ed69e11b | 465 | static int git_config_include(const char *var, const char *value, void *data) |
9b25a0b5 JK |
466 | { |
467 | struct config_include_data *inc = data; | |
3efd0bed | 468 | const char *cond, *key; |
f5914f4b | 469 | size_t cond_len; |
9b25a0b5 JK |
470 | int ret; |
471 | ||
472 | /* | |
473 | * Pass along all values, including "include" directives; this makes it | |
474 | * possible to query information on the includes themselves. | |
475 | */ | |
476 | ret = inc->fn(var, value, inc->data); | |
477 | if (ret < 0) | |
478 | return ret; | |
479 | ||
37007c3a | 480 | if (!strcmp(var, "include.path")) |
c97f3ed2 | 481 | ret = handle_path_include(cf_global, value, inc); |
3efd0bed NTND |
482 | |
483 | if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) && | |
c97f3ed2 | 484 | cond && include_condition_is_true(cf_global, inc, cond, cond_len) && |
399b1984 JT |
485 | !strcmp(key, "path")) { |
486 | config_fn_t old_fn = inc->fn; | |
487 | ||
488 | if (inc->opts->unconditional_remote_url) | |
489 | inc->fn = forbid_remote_url; | |
c97f3ed2 | 490 | ret = handle_path_include(cf_global, value, inc); |
399b1984 JT |
491 | inc->fn = old_fn; |
492 | } | |
3efd0bed | 493 | |
9b25a0b5 JK |
494 | return ret; |
495 | } | |
496 | ||
1ff21c05 | 497 | static void git_config_push_split_parameter(const char *key, const char *value) |
2b64fc89 JK |
498 | { |
499 | struct strbuf env = STRBUF_INIT; | |
500 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 501 | if (old && *old) { |
2b64fc89 JK |
502 | strbuf_addstr(&env, old); |
503 | strbuf_addch(&env, ' '); | |
504 | } | |
1ff21c05 PS |
505 | sq_quote_buf(&env, key); |
506 | strbuf_addch(&env, '='); | |
507 | if (value) | |
508 | sq_quote_buf(&env, value); | |
2b64fc89 JK |
509 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); |
510 | strbuf_release(&env); | |
511 | } | |
512 | ||
1ff21c05 PS |
513 | void git_config_push_parameter(const char *text) |
514 | { | |
515 | const char *value; | |
516 | ||
517 | /* | |
518 | * When we see: | |
519 | * | |
520 | * section.subsection=with=equals.key=value | |
521 | * | |
522 | * we cannot tell if it means: | |
523 | * | |
524 | * [section "subsection=with=equals"] | |
525 | * key = value | |
526 | * | |
527 | * or: | |
528 | * | |
529 | * [section] | |
530 | * subsection = with=equals.key=value | |
531 | * | |
532 | * We parse left-to-right for the first "=", meaning we'll prefer to | |
533 | * keep the value intact over the subsection. This is historical, but | |
534 | * also sensible since values are more likely to contain odd or | |
535 | * untrusted input than a section name. | |
536 | * | |
537 | * A missing equals is explicitly allowed (as a bool-only entry). | |
538 | */ | |
539 | value = strchr(text, '='); | |
540 | if (value) { | |
541 | char *key = xmemdupz(text, value - text); | |
542 | git_config_push_split_parameter(key, value + 1); | |
543 | free(key); | |
544 | } else { | |
545 | git_config_push_split_parameter(text, NULL); | |
546 | } | |
547 | } | |
548 | ||
ce81b1da PS |
549 | void git_config_push_env(const char *spec) |
550 | { | |
1ff21c05 | 551 | char *key; |
ce81b1da PS |
552 | const char *env_name; |
553 | const char *env_value; | |
554 | ||
555 | env_name = strrchr(spec, '='); | |
556 | if (!env_name) | |
557 | die(_("invalid config format: %s"), spec); | |
1ff21c05 | 558 | key = xmemdupz(spec, env_name - spec); |
ce81b1da PS |
559 | env_name++; |
560 | if (!*env_name) | |
561 | die(_("missing environment variable name for configuration '%.*s'"), | |
562 | (int)(env_name - spec - 1), spec); | |
563 | ||
564 | env_value = getenv(env_name); | |
565 | if (!env_value) | |
566 | die(_("missing environment variable '%s' for configuration '%.*s'"), | |
567 | env_name, (int)(env_name - spec - 1), spec); | |
568 | ||
1ff21c05 PS |
569 | git_config_push_split_parameter(key, env_value); |
570 | free(key); | |
ce81b1da PS |
571 | } |
572 | ||
ee98df3f JH |
573 | static inline int iskeychar(int c) |
574 | { | |
575 | return isalnum(c) || c == '-'; | |
576 | } | |
577 | ||
578 | /* | |
579 | * Auxiliary function to sanity-check and split the key into the section | |
580 | * identifier and variable name. | |
581 | * | |
582 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
583 | * -2 if there is no section name in the key. | |
584 | * | |
585 | * store_key - pointer to char* which will hold a copy of the key with | |
586 | * lowercase section and variable name | |
f011a965 | 587 | * baselen - pointer to size_t which will hold the length of the |
ee98df3f JH |
588 | * section + subsection part, can be NULL |
589 | */ | |
73c5f670 | 590 | int git_config_parse_key(const char *key, char **store_key, size_t *baselen_) |
ee98df3f | 591 | { |
f011a965 JK |
592 | size_t i, baselen; |
593 | int dot; | |
ee98df3f JH |
594 | const char *last_dot = strrchr(key, '.'); |
595 | ||
596 | /* | |
597 | * Since "key" actually contains the section name and the real | |
598 | * key name separated by a dot, we have to know where the dot is. | |
599 | */ | |
600 | ||
601 | if (last_dot == NULL || last_dot == key) { | |
73c5f670 | 602 | error(_("key does not contain a section: %s"), key); |
ee98df3f JH |
603 | return -CONFIG_NO_SECTION_OR_NAME; |
604 | } | |
605 | ||
606 | if (!last_dot[1]) { | |
73c5f670 | 607 | error(_("key does not contain variable name: %s"), key); |
ee98df3f JH |
608 | return -CONFIG_NO_SECTION_OR_NAME; |
609 | } | |
610 | ||
611 | baselen = last_dot - key; | |
612 | if (baselen_) | |
613 | *baselen_ = baselen; | |
614 | ||
615 | /* | |
616 | * Validate the key and while at it, lower case it for matching. | |
617 | */ | |
73c5f670 | 618 | *store_key = xmallocz(strlen(key)); |
ee98df3f JH |
619 | |
620 | dot = 0; | |
621 | for (i = 0; key[i]; i++) { | |
622 | unsigned char c = key[i]; | |
623 | if (c == '.') | |
624 | dot = 1; | |
625 | /* Leave the extended basename untouched.. */ | |
626 | if (!dot || i > baselen) { | |
627 | if (!iskeychar(c) || | |
628 | (i == baselen + 1 && !isalpha(c))) { | |
73c5f670 | 629 | error(_("invalid key: %s"), key); |
ee98df3f JH |
630 | goto out_free_ret_1; |
631 | } | |
632 | c = tolower(c); | |
633 | } else if (c == '\n') { | |
73c5f670 | 634 | error(_("invalid key (newline): %s"), key); |
ee98df3f JH |
635 | goto out_free_ret_1; |
636 | } | |
73c5f670 | 637 | (*store_key)[i] = c; |
ee98df3f JH |
638 | } |
639 | ||
640 | return 0; | |
641 | ||
642 | out_free_ret_1: | |
73c5f670 | 643 | FREE_AND_NULL(*store_key); |
ee98df3f JH |
644 | return -CONFIG_INVALID_KEY; |
645 | } | |
646 | ||
b342ae61 PS |
647 | static int config_parse_pair(const char *key, const char *value, |
648 | config_fn_t fn, void *data) | |
649 | { | |
650 | char *canonical_name; | |
651 | int ret; | |
652 | ||
653 | if (!strlen(key)) | |
654 | return error(_("empty config key")); | |
655 | if (git_config_parse_key(key, &canonical_name, NULL)) | |
656 | return -1; | |
657 | ||
658 | ret = (fn(canonical_name, value, data) < 0) ? -1 : 0; | |
659 | free(canonical_name); | |
660 | return ret; | |
661 | } | |
662 | ||
2496844b JK |
663 | int git_config_parse_parameter(const char *text, |
664 | config_fn_t fn, void *data) | |
8b1fa778 | 665 | { |
a789ca70 | 666 | const char *value; |
572e4f6a | 667 | struct strbuf **pair; |
1274a155 | 668 | int ret; |
a789ca70 | 669 | |
f77bccae | 670 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b | 671 | if (!pair[0]) |
a769bfc7 | 672 | return error(_("bogus config parameter: %s"), text); |
a789ca70 JH |
673 | |
674 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 675 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
676 | value = pair[1] ? pair[1]->buf : ""; |
677 | } else { | |
678 | value = NULL; | |
679 | } | |
680 | ||
572e4f6a AR |
681 | strbuf_trim(pair[0]); |
682 | if (!pair[0]->len) { | |
683 | strbuf_list_free(pair); | |
a769bfc7 | 684 | return error(_("bogus config parameter: %s"), text); |
8b1fa778 | 685 | } |
1274a155 | 686 | |
b342ae61 | 687 | ret = config_parse_pair(pair[0]->buf, value, fn, data); |
572e4f6a | 688 | strbuf_list_free(pair); |
1274a155 | 689 | return ret; |
8b1fa778 AR |
690 | } |
691 | ||
f9dbb64f JK |
692 | static int parse_config_env_list(char *env, config_fn_t fn, void *data) |
693 | { | |
694 | char *cur = env; | |
695 | while (cur && *cur) { | |
696 | const char *key = sq_dequote_step(cur, &cur); | |
697 | if (!key) | |
698 | return error(_("bogus format in %s"), | |
699 | CONFIG_DATA_ENVIRONMENT); | |
700 | ||
701 | if (!cur || isspace(*cur)) { | |
702 | /* old-style 'key=value' */ | |
703 | if (git_config_parse_parameter(key, fn, data) < 0) | |
704 | return -1; | |
705 | } | |
706 | else if (*cur == '=') { | |
707 | /* new-style 'key'='value' */ | |
708 | const char *value; | |
709 | ||
710 | cur++; | |
711 | if (*cur == '\'') { | |
712 | /* quoted value */ | |
713 | value = sq_dequote_step(cur, &cur); | |
714 | if (!value || (cur && !isspace(*cur))) { | |
715 | return error(_("bogus format in %s"), | |
716 | CONFIG_DATA_ENVIRONMENT); | |
717 | } | |
718 | } else if (!*cur || isspace(*cur)) { | |
719 | /* implicit bool: 'key'= */ | |
720 | value = NULL; | |
721 | } else { | |
722 | return error(_("bogus format in %s"), | |
723 | CONFIG_DATA_ENVIRONMENT); | |
724 | } | |
725 | ||
726 | if (config_parse_pair(key, value, fn, data) < 0) | |
727 | return -1; | |
728 | } | |
729 | else { | |
730 | /* unknown format */ | |
731 | return error(_("bogus format in %s"), | |
732 | CONFIG_DATA_ENVIRONMENT); | |
733 | } | |
734 | ||
735 | if (cur) { | |
736 | while (isspace(*cur)) | |
737 | cur++; | |
738 | } | |
739 | } | |
740 | return 0; | |
741 | } | |
742 | ||
06eb708f JK |
743 | int git_config_from_parameters(config_fn_t fn, void *data) |
744 | { | |
d8d77153 PS |
745 | const char *env; |
746 | struct strbuf envvar = STRBUF_INIT; | |
747 | struct strvec to_free = STRVEC_INIT; | |
a77d6db6 | 748 | int ret = 0; |
d8d77153 | 749 | char *envw = NULL; |
c009bc89 | 750 | struct config_source source = CONFIG_SOURCE_INIT; |
2b64fc89 | 751 | |
1b8132d9 | 752 | source.origin_type = CONFIG_ORIGIN_CMDLINE; |
0c602851 | 753 | config_reader_push_source(&the_reader, &source); |
3258258f | 754 | |
d8d77153 PS |
755 | env = getenv(CONFIG_COUNT_ENVIRONMENT); |
756 | if (env) { | |
757 | unsigned long count; | |
758 | char *endp; | |
759 | int i; | |
2b64fc89 | 760 | |
d8d77153 PS |
761 | count = strtoul(env, &endp, 10); |
762 | if (*endp) { | |
763 | ret = error(_("bogus count in %s"), CONFIG_COUNT_ENVIRONMENT); | |
764 | goto out; | |
765 | } | |
766 | if (count > INT_MAX) { | |
767 | ret = error(_("too many entries in %s"), CONFIG_COUNT_ENVIRONMENT); | |
768 | goto out; | |
769 | } | |
770 | ||
771 | for (i = 0; i < count; i++) { | |
772 | const char *key, *value; | |
773 | ||
774 | strbuf_addf(&envvar, "GIT_CONFIG_KEY_%d", i); | |
775 | key = getenv_safe(&to_free, envvar.buf); | |
776 | if (!key) { | |
777 | ret = error(_("missing config key %s"), envvar.buf); | |
778 | goto out; | |
779 | } | |
780 | strbuf_reset(&envvar); | |
781 | ||
782 | strbuf_addf(&envvar, "GIT_CONFIG_VALUE_%d", i); | |
783 | value = getenv_safe(&to_free, envvar.buf); | |
784 | if (!value) { | |
785 | ret = error(_("missing config value %s"), envvar.buf); | |
786 | goto out; | |
787 | } | |
788 | strbuf_reset(&envvar); | |
789 | ||
790 | if (config_parse_pair(key, value, fn, data) < 0) { | |
791 | ret = -1; | |
792 | goto out; | |
793 | } | |
794 | } | |
2b64fc89 JK |
795 | } |
796 | ||
d8d77153 PS |
797 | env = getenv(CONFIG_DATA_ENVIRONMENT); |
798 | if (env) { | |
799 | /* sq_dequote will write over it */ | |
800 | envw = xstrdup(env); | |
801 | if (parse_config_env_list(envw, fn, data) < 0) { | |
a77d6db6 JK |
802 | ret = -1; |
803 | goto out; | |
2b64fc89 JK |
804 | } |
805 | } | |
806 | ||
a77d6db6 | 807 | out: |
d8d77153 PS |
808 | strbuf_release(&envvar); |
809 | strvec_clear(&to_free); | |
2b64fc89 | 810 | free(envw); |
0c602851 | 811 | config_reader_pop_source(&the_reader); |
a77d6db6 | 812 | return ret; |
2b64fc89 JK |
813 | } |
814 | ||
c97f3ed2 | 815 | static int get_next_char(struct config_source *cf) |
17712991 | 816 | { |
49d6cfa5 | 817 | int c = cf->do_fgetc(cf); |
17712991 | 818 | |
dbb9a812 HV |
819 | if (c == '\r') { |
820 | /* DOS like systems */ | |
49d6cfa5 | 821 | c = cf->do_fgetc(cf); |
dbb9a812 | 822 | if (c != '\n') { |
5e0be134 JK |
823 | if (c != EOF) |
824 | cf->do_ungetc(c, cf); | |
dbb9a812 | 825 | c = '\r'; |
17712991 LT |
826 | } |
827 | } | |
348482de JK |
828 | |
829 | if (c != EOF && ++cf->total_len > INT_MAX) { | |
830 | /* | |
831 | * This is an absurdly long config file; refuse to parse | |
832 | * further in order to protect downstream code from integer | |
833 | * overflows. Note that we can't return an error specifically, | |
834 | * but we can mark EOF and put trash in the return value, | |
835 | * which will trigger a parse error. | |
836 | */ | |
837 | cf->eof = 1; | |
838 | return 0; | |
839 | } | |
840 | ||
dbb9a812 HV |
841 | if (c == '\n') |
842 | cf->linenr++; | |
843 | if (c == EOF) { | |
844 | cf->eof = 1; | |
b3b3f60b | 845 | cf->linenr++; |
dbb9a812 HV |
846 | c = '\n'; |
847 | } | |
17712991 LT |
848 | return c; |
849 | } | |
850 | ||
c97f3ed2 | 851 | static char *parse_value(struct config_source *cf) |
17712991 | 852 | { |
e96c19c5 | 853 | int quote = 0, comment = 0, space = 0; |
17712991 | 854 | |
924aaf3e | 855 | strbuf_reset(&cf->value); |
17712991 | 856 | for (;;) { |
c97f3ed2 | 857 | int c = get_next_char(cf); |
17712991 | 858 | if (c == '\n') { |
4b340593 MS |
859 | if (quote) { |
860 | cf->linenr--; | |
17712991 | 861 | return NULL; |
4b340593 | 862 | } |
924aaf3e | 863 | return cf->value.buf; |
17712991 LT |
864 | } |
865 | if (comment) | |
866 | continue; | |
867 | if (isspace(c) && !quote) { | |
924aaf3e | 868 | if (cf->value.len) |
ebdaae37 | 869 | space++; |
17712991 LT |
870 | continue; |
871 | } | |
7ebdba61 JS |
872 | if (!quote) { |
873 | if (c == ';' || c == '#') { | |
874 | comment = 1; | |
875 | continue; | |
876 | } | |
877 | } | |
ebdaae37 | 878 | for (; space; space--) |
924aaf3e | 879 | strbuf_addch(&cf->value, ' '); |
17712991 | 880 | if (c == '\\') { |
c97f3ed2 | 881 | c = get_next_char(cf); |
17712991 LT |
882 | switch (c) { |
883 | case '\n': | |
884 | continue; | |
885 | case 't': | |
886 | c = '\t'; | |
887 | break; | |
888 | case 'b': | |
889 | c = '\b'; | |
890 | break; | |
891 | case 'n': | |
892 | c = '\n'; | |
893 | break; | |
5cbb401d LT |
894 | /* Some characters escape as themselves */ |
895 | case '\\': case '"': | |
896 | break; | |
897 | /* Reject unknown escape sequences */ | |
898 | default: | |
899 | return NULL; | |
17712991 | 900 | } |
924aaf3e | 901 | strbuf_addch(&cf->value, c); |
17712991 LT |
902 | continue; |
903 | } | |
904 | if (c == '"') { | |
905 | quote = 1-quote; | |
906 | continue; | |
907 | } | |
924aaf3e | 908 | strbuf_addch(&cf->value, c); |
17712991 LT |
909 | } |
910 | } | |
911 | ||
c97f3ed2 GC |
912 | static int get_value(struct config_source *cf, config_fn_t fn, void *data, |
913 | struct strbuf *name) | |
17712991 LT |
914 | { |
915 | int c; | |
916 | char *value; | |
b3b3f60b | 917 | int ret; |
17712991 LT |
918 | |
919 | /* Get the full name */ | |
920 | for (;;) { | |
c97f3ed2 | 921 | c = get_next_char(cf); |
924aaf3e | 922 | if (cf->eof) |
17712991 | 923 | break; |
38c5afa8 | 924 | if (!iskeychar(c)) |
17712991 | 925 | break; |
0971e992 | 926 | strbuf_addch(name, tolower(c)); |
17712991 | 927 | } |
0971e992 | 928 | |
17712991 | 929 | while (c == ' ' || c == '\t') |
c97f3ed2 | 930 | c = get_next_char(cf); |
17712991 LT |
931 | |
932 | value = NULL; | |
933 | if (c != '\n') { | |
934 | if (c != '=') | |
935 | return -1; | |
c97f3ed2 | 936 | value = parse_value(cf); |
17712991 LT |
937 | if (!value) |
938 | return -1; | |
939 | } | |
b3b3f60b MM |
940 | /* |
941 | * We already consumed the \n, but we need linenr to point to | |
942 | * the line we just parsed during the call to fn to get | |
943 | * accurate line number in error messages. | |
944 | */ | |
945 | cf->linenr--; | |
946 | ret = fn(name->buf, value, data); | |
e2e14251 JS |
947 | if (ret >= 0) |
948 | cf->linenr++; | |
b3b3f60b | 949 | return ret; |
17712991 LT |
950 | } |
951 | ||
c97f3ed2 GC |
952 | static int get_extended_base_var(struct config_source *cf, struct strbuf *name, |
953 | int c) | |
d14f7764 | 954 | { |
2d84f13d | 955 | cf->subsection_case_sensitive = 0; |
d14f7764 LT |
956 | do { |
957 | if (c == '\n') | |
4b340593 | 958 | goto error_incomplete_line; |
c97f3ed2 | 959 | c = get_next_char(cf); |
d14f7764 LT |
960 | } while (isspace(c)); |
961 | ||
962 | /* We require the format to be '[base "extension"]' */ | |
963 | if (c != '"') | |
964 | return -1; | |
0971e992 | 965 | strbuf_addch(name, '.'); |
d14f7764 LT |
966 | |
967 | for (;;) { | |
c97f3ed2 | 968 | int c = get_next_char(cf); |
d14f7764 | 969 | if (c == '\n') |
4b340593 | 970 | goto error_incomplete_line; |
d14f7764 LT |
971 | if (c == '"') |
972 | break; | |
973 | if (c == '\\') { | |
c97f3ed2 | 974 | c = get_next_char(cf); |
d14f7764 | 975 | if (c == '\n') |
4b340593 | 976 | goto error_incomplete_line; |
d14f7764 | 977 | } |
0971e992 | 978 | strbuf_addch(name, c); |
d14f7764 LT |
979 | } |
980 | ||
981 | /* Final ']' */ | |
c97f3ed2 | 982 | if (get_next_char(cf) != ']') |
d14f7764 | 983 | return -1; |
0971e992 | 984 | return 0; |
4b340593 MS |
985 | error_incomplete_line: |
986 | cf->linenr--; | |
987 | return -1; | |
d14f7764 LT |
988 | } |
989 | ||
c97f3ed2 | 990 | static int get_base_var(struct config_source *cf, struct strbuf *name) |
17712991 | 991 | { |
2d84f13d | 992 | cf->subsection_case_sensitive = 1; |
17712991 | 993 | for (;;) { |
c97f3ed2 | 994 | int c = get_next_char(cf); |
924aaf3e | 995 | if (cf->eof) |
17712991 LT |
996 | return -1; |
997 | if (c == ']') | |
0971e992 | 998 | return 0; |
d14f7764 | 999 | if (isspace(c)) |
c97f3ed2 | 1000 | return get_extended_base_var(cf, name, c); |
38c5afa8 | 1001 | if (!iskeychar(c) && c != '.') |
17712991 | 1002 | return -1; |
0971e992 | 1003 | strbuf_addch(name, tolower(c)); |
17712991 LT |
1004 | } |
1005 | } | |
1006 | ||
8032cc44 JS |
1007 | struct parse_event_data { |
1008 | enum config_event_t previous_type; | |
1009 | size_t previous_offset; | |
1010 | const struct config_options *opts; | |
1011 | }; | |
1012 | ||
c97f3ed2 GC |
1013 | static int do_event(struct config_source *cf, enum config_event_t type, |
1014 | struct parse_event_data *data) | |
8032cc44 JS |
1015 | { |
1016 | size_t offset; | |
1017 | ||
1018 | if (!data->opts || !data->opts->event_fn) | |
1019 | return 0; | |
1020 | ||
1021 | if (type == CONFIG_EVENT_WHITESPACE && | |
1022 | data->previous_type == type) | |
1023 | return 0; | |
1024 | ||
1025 | offset = cf->do_ftell(cf); | |
1026 | /* | |
1027 | * At EOF, the parser always "inserts" an extra '\n', therefore | |
1028 | * the end offset of the event is the current file position, otherwise | |
1029 | * we will already have advanced to the next event. | |
1030 | */ | |
1031 | if (type != CONFIG_EVENT_EOF) | |
1032 | offset--; | |
1033 | ||
1034 | if (data->previous_type != CONFIG_EVENT_EOF && | |
1035 | data->opts->event_fn(data->previous_type, data->previous_offset, | |
1036 | offset, data->opts->event_fn_data) < 0) | |
1037 | return -1; | |
1038 | ||
1039 | data->previous_type = type; | |
1040 | data->previous_offset = offset; | |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
c97f3ed2 GC |
1045 | static int git_parse_source(struct config_source *cf, config_fn_t fn, |
1046 | void *data, const struct config_options *opts) | |
17712991 LT |
1047 | { |
1048 | int comment = 0; | |
6a9c235e | 1049 | size_t baselen = 0; |
0971e992 | 1050 | struct strbuf *var = &cf->var; |
1b8132d9 VA |
1051 | int error_return = 0; |
1052 | char *error_msg = NULL; | |
17712991 | 1053 | |
de056402 | 1054 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 1055 | const char *bomptr = utf8_bom; |
de056402 | 1056 | |
8032cc44 JS |
1057 | /* For the parser event callback */ |
1058 | struct parse_event_data event_data = { | |
1059 | CONFIG_EVENT_EOF, 0, opts | |
1060 | }; | |
1061 | ||
17712991 | 1062 | for (;;) { |
8032cc44 JS |
1063 | int c; |
1064 | ||
c97f3ed2 | 1065 | c = get_next_char(cf); |
de056402 PB |
1066 | if (bomptr && *bomptr) { |
1067 | /* We are at the file beginning; skip UTF8-encoded BOM | |
1068 | * if present. Sane editors won't put this in on their | |
1069 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 1070 | if (c == (*bomptr & 0377)) { |
de056402 PB |
1071 | bomptr++; |
1072 | continue; | |
1073 | } else { | |
1074 | /* Do not tolerate partial BOM. */ | |
1075 | if (bomptr != utf8_bom) | |
1076 | break; | |
1077 | /* No BOM at file beginning. Cool. */ | |
1078 | bomptr = NULL; | |
1079 | } | |
1080 | } | |
17712991 | 1081 | if (c == '\n') { |
8032cc44 | 1082 | if (cf->eof) { |
c97f3ed2 | 1083 | if (do_event(cf, CONFIG_EVENT_EOF, &event_data) < 0) |
8032cc44 | 1084 | return -1; |
17712991 | 1085 | return 0; |
8032cc44 | 1086 | } |
c97f3ed2 | 1087 | if (do_event(cf, CONFIG_EVENT_WHITESPACE, &event_data) < 0) |
8032cc44 | 1088 | return -1; |
17712991 LT |
1089 | comment = 0; |
1090 | continue; | |
1091 | } | |
8032cc44 | 1092 | if (comment) |
17712991 | 1093 | continue; |
8032cc44 | 1094 | if (isspace(c)) { |
c97f3ed2 | 1095 | if (do_event(cf, CONFIG_EVENT_WHITESPACE, &event_data) < 0) |
8032cc44 | 1096 | return -1; |
17712991 | 1097 | continue; |
8032cc44 | 1098 | } |
17712991 | 1099 | if (c == '#' || c == ';') { |
c97f3ed2 | 1100 | if (do_event(cf, CONFIG_EVENT_COMMENT, &event_data) < 0) |
8032cc44 | 1101 | return -1; |
17712991 LT |
1102 | comment = 1; |
1103 | continue; | |
1104 | } | |
1105 | if (c == '[') { | |
c97f3ed2 | 1106 | if (do_event(cf, CONFIG_EVENT_SECTION, &event_data) < 0) |
8032cc44 JS |
1107 | return -1; |
1108 | ||
0971e992 BW |
1109 | /* Reset prior to determining a new stem */ |
1110 | strbuf_reset(var); | |
c97f3ed2 | 1111 | if (get_base_var(cf, var) < 0 || var->len < 1) |
17712991 | 1112 | break; |
0971e992 BW |
1113 | strbuf_addch(var, '.'); |
1114 | baselen = var->len; | |
17712991 LT |
1115 | continue; |
1116 | } | |
1117 | if (!isalpha(c)) | |
1118 | break; | |
8032cc44 | 1119 | |
c97f3ed2 | 1120 | if (do_event(cf, CONFIG_EVENT_ENTRY, &event_data) < 0) |
8032cc44 JS |
1121 | return -1; |
1122 | ||
0971e992 BW |
1123 | /* |
1124 | * Truncate the var name back to the section header | |
1125 | * stem prior to grabbing the suffix part of the name | |
1126 | * and the value. | |
1127 | */ | |
1128 | strbuf_setlen(var, baselen); | |
1129 | strbuf_addch(var, tolower(c)); | |
c97f3ed2 | 1130 | if (get_value(cf, fn, data, var) < 0) |
17712991 LT |
1131 | break; |
1132 | } | |
1b8132d9 | 1133 | |
c97f3ed2 | 1134 | if (do_event(cf, CONFIG_EVENT_ERROR, &event_data) < 0) |
8032cc44 JS |
1135 | return -1; |
1136 | ||
1b8132d9 VA |
1137 | switch (cf->origin_type) { |
1138 | case CONFIG_ORIGIN_BLOB: | |
1139 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
1140 | cf->linenr, cf->name); | |
1141 | break; | |
1142 | case CONFIG_ORIGIN_FILE: | |
1143 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
1144 | cf->linenr, cf->name); | |
1145 | break; | |
1146 | case CONFIG_ORIGIN_STDIN: | |
1147 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
1148 | cf->linenr); | |
1149 | break; | |
1150 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
1151 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
1152 | cf->linenr, cf->name); | |
1153 | break; | |
1154 | case CONFIG_ORIGIN_CMDLINE: | |
1155 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
1156 | cf->linenr, cf->name); | |
1157 | break; | |
1158 | default: | |
1159 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
1160 | cf->linenr, cf->name); | |
1161 | } | |
1162 | ||
66f97228 JK |
1163 | switch (opts && opts->error_action ? |
1164 | opts->error_action : | |
1165 | cf->default_error_action) { | |
1166 | case CONFIG_ERROR_DIE: | |
1b8132d9 | 1167 | die("%s", error_msg); |
66f97228 JK |
1168 | break; |
1169 | case CONFIG_ERROR_ERROR: | |
1b8132d9 | 1170 | error_return = error("%s", error_msg); |
66f97228 | 1171 | break; |
63583203 JK |
1172 | case CONFIG_ERROR_SILENT: |
1173 | error_return = -1; | |
1174 | break; | |
66f97228 JK |
1175 | case CONFIG_ERROR_UNSET: |
1176 | BUG("config error action unset"); | |
1177 | } | |
1b8132d9 VA |
1178 | |
1179 | free(error_msg); | |
1180 | return error_return; | |
17712991 LT |
1181 | } |
1182 | ||
39c575c9 | 1183 | static uintmax_t get_unit_factor(const char *end) |
0b87b6e0 BD |
1184 | { |
1185 | if (!*end) | |
1186 | return 1; | |
39c575c9 RS |
1187 | else if (!strcasecmp(end, "k")) |
1188 | return 1024; | |
1189 | else if (!strcasecmp(end, "m")) | |
1190 | return 1024 * 1024; | |
1191 | else if (!strcasecmp(end, "g")) | |
1192 | return 1024 * 1024 * 1024; | |
c8deb5a1 | 1193 | return 0; |
0b87b6e0 BD |
1194 | } |
1195 | ||
7192777d | 1196 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
1197 | { |
1198 | if (value && *value) { | |
1199 | char *end; | |
ebaa1bd4 | 1200 | intmax_t val; |
14770cf0 PW |
1201 | intmax_t factor; |
1202 | ||
1203 | if (max < 0) | |
1204 | BUG("max must be a positive integer"); | |
ebaa1bd4 NA |
1205 | |
1206 | errno = 0; | |
1207 | val = strtoimax(value, &end, 0); | |
1208 | if (errno == ERANGE) | |
1209 | return 0; | |
7595c0ec PW |
1210 | if (end == value) { |
1211 | errno = EINVAL; | |
1212 | return 0; | |
1213 | } | |
39c575c9 RS |
1214 | factor = get_unit_factor(end); |
1215 | if (!factor) { | |
33fdd77e | 1216 | errno = EINVAL; |
c8deb5a1 | 1217 | return 0; |
33fdd77e | 1218 | } |
14770cf0 PW |
1219 | if ((val < 0 && -max / factor > val) || |
1220 | (val > 0 && max / factor < val)) { | |
33fdd77e | 1221 | errno = ERANGE; |
ebaa1bd4 | 1222 | return 0; |
33fdd77e | 1223 | } |
ebaa1bd4 NA |
1224 | val *= factor; |
1225 | *ret = val; | |
0b87b6e0 BD |
1226 | return 1; |
1227 | } | |
33fdd77e | 1228 | errno = EINVAL; |
0b87b6e0 BD |
1229 | return 0; |
1230 | } | |
1231 | ||
0b4dc661 | 1232 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
1233 | { |
1234 | if (value && *value) { | |
1235 | char *end; | |
ebaa1bd4 | 1236 | uintmax_t val; |
664178e8 | 1237 | uintmax_t factor; |
ebaa1bd4 | 1238 | |
84356ff7 PW |
1239 | /* negative values would be accepted by strtoumax */ |
1240 | if (strchr(value, '-')) { | |
1241 | errno = EINVAL; | |
1242 | return 0; | |
1243 | } | |
ebaa1bd4 NA |
1244 | errno = 0; |
1245 | val = strtoumax(value, &end, 0); | |
1246 | if (errno == ERANGE) | |
1247 | return 0; | |
7595c0ec PW |
1248 | if (end == value) { |
1249 | errno = EINVAL; | |
1250 | return 0; | |
1251 | } | |
39c575c9 RS |
1252 | factor = get_unit_factor(end); |
1253 | if (!factor) { | |
33fdd77e | 1254 | errno = EINVAL; |
c8deb5a1 | 1255 | return 0; |
33fdd77e | 1256 | } |
3fb72c7b RS |
1257 | if (unsigned_mult_overflows(factor, val) || |
1258 | factor * val > max) { | |
33fdd77e | 1259 | errno = ERANGE; |
ebaa1bd4 | 1260 | return 0; |
33fdd77e | 1261 | } |
3fb72c7b | 1262 | val *= factor; |
c8deb5a1 | 1263 | *ret = val; |
0b87b6e0 | 1264 | return 1; |
17712991 | 1265 | } |
33fdd77e | 1266 | errno = EINVAL; |
0b87b6e0 BD |
1267 | return 0; |
1268 | } | |
1269 | ||
bff03c47 | 1270 | int git_parse_int(const char *value, int *ret) |
c1867cea | 1271 | { |
7192777d | 1272 | intmax_t tmp; |
42d194e9 | 1273 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
1274 | return 0; |
1275 | *ret = tmp; | |
1276 | return 1; | |
1277 | } | |
1278 | ||
00160242 JK |
1279 | static int git_parse_int64(const char *value, int64_t *ret) |
1280 | { | |
1281 | intmax_t tmp; | |
1282 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
1283 | return 0; | |
1284 | *ret = tmp; | |
1285 | return 1; | |
1286 | } | |
1287 | ||
7192777d JK |
1288 | int git_parse_ulong(const char *value, unsigned long *ret) |
1289 | { | |
1290 | uintmax_t tmp; | |
1291 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
1292 | return 0; | |
1293 | *ret = tmp; | |
1294 | return 1; | |
1295 | } | |
1296 | ||
c79edf73 | 1297 | int git_parse_ssize_t(const char *value, ssize_t *ret) |
37ee680d DT |
1298 | { |
1299 | intmax_t tmp; | |
1300 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t))) | |
1301 | return 0; | |
1302 | *ret = tmp; | |
1303 | return 1; | |
1304 | } | |
1305 | ||
06bdc23b | 1306 | NORETURN |
c97f3ed2 GC |
1307 | static void die_bad_number(struct config_source *cf, const char *name, |
1308 | const char *value) | |
c1867cea | 1309 | { |
2e43cd4c ÆAB |
1310 | const char *error_type = (errno == ERANGE) ? |
1311 | N_("out of range") : N_("invalid unit"); | |
1312 | const char *bad_numeric = N_("bad numeric config value '%s' for '%s': %s"); | |
078fe305 | 1313 | |
2f666581 JK |
1314 | if (!value) |
1315 | value = ""; | |
1316 | ||
1b8132d9 | 1317 | if (!(cf && cf->name)) |
2e43cd4c | 1318 | die(_(bad_numeric), value, name, _(error_type)); |
1b8132d9 VA |
1319 | |
1320 | switch (cf->origin_type) { | |
1321 | case CONFIG_ORIGIN_BLOB: | |
078fe305 | 1322 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
2e43cd4c | 1323 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1324 | case CONFIG_ORIGIN_FILE: |
078fe305 | 1325 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
2e43cd4c | 1326 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1327 | case CONFIG_ORIGIN_STDIN: |
078fe305 | 1328 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
2e43cd4c | 1329 | value, name, _(error_type)); |
1b8132d9 | 1330 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 | 1331 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
2e43cd4c | 1332 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1333 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 | 1334 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
2e43cd4c | 1335 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1336 | default: |
078fe305 | 1337 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
2e43cd4c | 1338 | value, name, cf->name, _(error_type)); |
1b8132d9 | 1339 | } |
c1867cea JK |
1340 | } |
1341 | ||
0b87b6e0 BD |
1342 | int git_config_int(const char *name, const char *value) |
1343 | { | |
42d194e9 JK |
1344 | int ret; |
1345 | if (!git_parse_int(value, &ret)) | |
0c602851 | 1346 | die_bad_number(the_reader.source, name, value); |
0b87b6e0 BD |
1347 | return ret; |
1348 | } | |
1349 | ||
00160242 JK |
1350 | int64_t git_config_int64(const char *name, const char *value) |
1351 | { | |
1352 | int64_t ret; | |
1353 | if (!git_parse_int64(value, &ret)) | |
0c602851 | 1354 | die_bad_number(the_reader.source, name, value); |
0b87b6e0 BD |
1355 | return ret; |
1356 | } | |
1357 | ||
1358 | unsigned long git_config_ulong(const char *name, const char *value) | |
1359 | { | |
1360 | unsigned long ret; | |
1361 | if (!git_parse_ulong(value, &ret)) | |
0c602851 | 1362 | die_bad_number(the_reader.source, name, value); |
0b87b6e0 | 1363 | return ret; |
17712991 LT |
1364 | } |
1365 | ||
37ee680d DT |
1366 | ssize_t git_config_ssize_t(const char *name, const char *value) |
1367 | { | |
1368 | ssize_t ret; | |
1369 | if (!git_parse_ssize_t(value, &ret)) | |
0c602851 | 1370 | die_bad_number(the_reader.source, name, value); |
37ee680d DT |
1371 | return ret; |
1372 | } | |
1373 | ||
9be04d64 | 1374 | static int git_parse_maybe_bool_text(const char *value) |
17712991 LT |
1375 | { |
1376 | if (!value) | |
1377 | return 1; | |
1378 | if (!*value) | |
1379 | return 0; | |
8420ccd8 JH |
1380 | if (!strcasecmp(value, "true") |
1381 | || !strcasecmp(value, "yes") | |
1382 | || !strcasecmp(value, "on")) | |
17712991 | 1383 | return 1; |
8420ccd8 JH |
1384 | if (!strcasecmp(value, "false") |
1385 | || !strcasecmp(value, "no") | |
1386 | || !strcasecmp(value, "off")) | |
17712991 | 1387 | return 0; |
8420ccd8 JH |
1388 | return -1; |
1389 | } | |
1390 | ||
844a8ad4 NS |
1391 | static const struct fsync_component_name { |
1392 | const char *name; | |
1393 | enum fsync_component component_bits; | |
1394 | } fsync_component_names[] = { | |
1395 | { "loose-object", FSYNC_COMPONENT_LOOSE_OBJECT }, | |
1396 | { "pack", FSYNC_COMPONENT_PACK }, | |
1397 | { "pack-metadata", FSYNC_COMPONENT_PACK_METADATA }, | |
1398 | { "commit-graph", FSYNC_COMPONENT_COMMIT_GRAPH }, | |
ba95e96d | 1399 | { "index", FSYNC_COMPONENT_INDEX }, |
b9f5d035 | 1400 | { "objects", FSYNC_COMPONENTS_OBJECTS }, |
bc22d845 | 1401 | { "reference", FSYNC_COMPONENT_REFERENCE }, |
b9f5d035 NS |
1402 | { "derived-metadata", FSYNC_COMPONENTS_DERIVED_METADATA }, |
1403 | { "committed", FSYNC_COMPONENTS_COMMITTED }, | |
1404 | { "added", FSYNC_COMPONENTS_ADDED }, | |
1405 | { "all", FSYNC_COMPONENTS_ALL }, | |
844a8ad4 NS |
1406 | }; |
1407 | ||
1408 | static enum fsync_component parse_fsync_components(const char *var, const char *string) | |
1409 | { | |
8a94d833 | 1410 | enum fsync_component current = FSYNC_COMPONENTS_PLATFORM_DEFAULT; |
844a8ad4 NS |
1411 | enum fsync_component positive = 0, negative = 0; |
1412 | ||
1413 | while (string) { | |
1414 | int i; | |
1415 | size_t len; | |
1416 | const char *ep; | |
1417 | int negated = 0; | |
1418 | int found = 0; | |
1419 | ||
1420 | string = string + strspn(string, ", \t\n\r"); | |
1421 | ep = strchrnul(string, ','); | |
1422 | len = ep - string; | |
1423 | if (!strcmp(string, "none")) { | |
1424 | current = FSYNC_COMPONENT_NONE; | |
1425 | goto next_name; | |
1426 | } | |
1427 | ||
1428 | if (*string == '-') { | |
1429 | negated = 1; | |
1430 | string++; | |
1431 | len--; | |
1432 | if (!len) | |
1433 | warning(_("invalid value for variable %s"), var); | |
1434 | } | |
1435 | ||
1436 | if (!len) | |
1437 | break; | |
1438 | ||
1439 | for (i = 0; i < ARRAY_SIZE(fsync_component_names); ++i) { | |
1440 | const struct fsync_component_name *n = &fsync_component_names[i]; | |
1441 | ||
1442 | if (strncmp(n->name, string, len)) | |
1443 | continue; | |
1444 | ||
1445 | found = 1; | |
1446 | if (negated) | |
1447 | negative |= n->component_bits; | |
1448 | else | |
1449 | positive |= n->component_bits; | |
1450 | } | |
1451 | ||
1452 | if (!found) { | |
1453 | char *component = xstrndup(string, len); | |
1454 | warning(_("ignoring unknown core.fsync component '%s'"), component); | |
1455 | free(component); | |
1456 | } | |
1457 | ||
1458 | next_name: | |
1459 | string = ep; | |
1460 | } | |
1461 | ||
1462 | return (current & ~negative) | positive; | |
1463 | } | |
1464 | ||
9be04d64 | 1465 | int git_parse_maybe_bool(const char *value) |
b2be2f6a | 1466 | { |
9be04d64 | 1467 | int v = git_parse_maybe_bool_text(value); |
b2be2f6a JK |
1468 | if (0 <= v) |
1469 | return v; | |
42d194e9 | 1470 | if (git_parse_int(value, &v)) |
db6195ef | 1471 | return !!v; |
b2be2f6a JK |
1472 | return -1; |
1473 | } | |
1474 | ||
8420ccd8 JH |
1475 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
1476 | { | |
9be04d64 | 1477 | int v = git_parse_maybe_bool_text(value); |
8420ccd8 JH |
1478 | if (0 <= v) { |
1479 | *is_bool = 1; | |
1480 | return v; | |
1481 | } | |
a53f2ec6 | 1482 | *is_bool = 0; |
c35b0b58 | 1483 | return git_config_int(name, value); |
17712991 LT |
1484 | } |
1485 | ||
a53f2ec6 JH |
1486 | int git_config_bool(const char *name, const char *value) |
1487 | { | |
f276e2a4 AK |
1488 | int v = git_parse_maybe_bool(value); |
1489 | if (v < 0) | |
39e12650 | 1490 | die(_("bad boolean config value '%s' for '%s'"), value, name); |
f276e2a4 | 1491 | return v; |
a53f2ec6 JH |
1492 | } |
1493 | ||
ea5105a5 CC |
1494 | int git_config_string(const char **dest, const char *var, const char *value) |
1495 | { | |
1496 | if (!value) | |
1497 | return config_error_nonbool(var); | |
1498 | *dest = xstrdup(value); | |
1499 | return 0; | |
1500 | } | |
1501 | ||
395de250 MM |
1502 | int git_config_pathname(const char **dest, const char *var, const char *value) |
1503 | { | |
1504 | if (!value) | |
1505 | return config_error_nonbool(var); | |
a03b097d | 1506 | *dest = interpolate_path(value, 0); |
395de250 | 1507 | if (!*dest) |
8262aaa2 | 1508 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
1509 | return 0; |
1510 | } | |
1511 | ||
5f967424 HM |
1512 | int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value) |
1513 | { | |
1514 | if (!value) | |
1515 | return config_error_nonbool(var); | |
1516 | if (parse_expiry_date(value, timestamp)) | |
1517 | return error(_("'%s' for '%s' is not a valid timestamp"), | |
1518 | value, var); | |
1519 | return 0; | |
1520 | } | |
1521 | ||
6d2f9acc TB |
1522 | int git_config_color(char *dest, const char *var, const char *value) |
1523 | { | |
1524 | if (!value) | |
1525 | return config_error_nonbool(var); | |
1526 | if (color_parse(value, dest) < 0) | |
1527 | return -1; | |
1528 | return 0; | |
1529 | } | |
1530 | ||
70fc5793 | 1531 | static int git_default_core_config(const char *var, const char *value, void *cb) |
17712991 LT |
1532 | { |
1533 | /* This needs a better name */ | |
1534 | if (!strcmp(var, "core.filemode")) { | |
1535 | trust_executable_bit = git_config_bool(var, value); | |
1536 | return 0; | |
1537 | } | |
1ce4790b AR |
1538 | if (!strcmp(var, "core.trustctime")) { |
1539 | trust_ctime = git_config_bool(var, value); | |
1540 | return 0; | |
1541 | } | |
c1b5d738 | 1542 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
1543 | if (!strcasecmp(value, "default")) |
1544 | check_stat = 1; | |
1545 | else if (!strcasecmp(value, "minimal")) | |
1546 | check_stat = 0; | |
1547 | } | |
17712991 | 1548 | |
9378c161 JH |
1549 | if (!strcmp(var, "core.quotepath")) { |
1550 | quote_path_fully = git_config_bool(var, value); | |
1551 | return 0; | |
1552 | } | |
1553 | ||
78a8d641 JS |
1554 | if (!strcmp(var, "core.symlinks")) { |
1555 | has_symlinks = git_config_bool(var, value); | |
1556 | return 0; | |
1557 | } | |
1558 | ||
0a9b88b7 LT |
1559 | if (!strcmp(var, "core.ignorecase")) { |
1560 | ignore_case = git_config_bool(var, value); | |
1561 | return 0; | |
1562 | } | |
1563 | ||
64589a03 JH |
1564 | if (!strcmp(var, "core.attributesfile")) |
1565 | return git_config_pathname(&git_attributes_file, var, value); | |
1566 | ||
867ad08a ÆAB |
1567 | if (!strcmp(var, "core.hookspath")) |
1568 | return git_config_pathname(&git_hooks_path, var, value); | |
1569 | ||
7d1864ce JH |
1570 | if (!strcmp(var, "core.bare")) { |
1571 | is_bare_repository_cfg = git_config_bool(var, value); | |
1572 | return 0; | |
1573 | } | |
1574 | ||
5f73076c JH |
1575 | if (!strcmp(var, "core.ignorestat")) { |
1576 | assume_unchanged = git_config_bool(var, value); | |
1577 | return 0; | |
1578 | } | |
1579 | ||
e388c738 JH |
1580 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
1581 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
1582 | return 0; |
1583 | } | |
1584 | ||
6de08ae6 | 1585 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
1586 | if (value && !strcasecmp(value, "always")) |
1587 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
1588 | else if (git_config_bool(var, value)) | |
1589 | log_all_ref_updates = LOG_REFS_NORMAL; | |
1590 | else | |
1591 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
1592 | return 0; |
1593 | } | |
1594 | ||
2f8acdb3 JH |
1595 | if (!strcmp(var, "core.warnambiguousrefs")) { |
1596 | warn_ambiguous_refs = git_config_bool(var, value); | |
1597 | return 0; | |
1598 | } | |
1599 | ||
a71f09fe | 1600 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
1601 | if (!value) |
1602 | return config_error_nonbool(var); | |
1603 | if (!strcasecmp(value, "auto")) | |
1604 | default_abbrev = -1; | |
a9ecaa06 EW |
1605 | else if (!git_parse_maybe_bool_text(value)) |
1606 | default_abbrev = the_hash_algo->hexsz; | |
48d5014d JH |
1607 | else { |
1608 | int abbrev = git_config_int(var, value); | |
fe9fec45 | 1609 | if (abbrev < minimum_abbrev || abbrev > the_hash_algo->hexsz) |
a769bfc7 | 1610 | return error(_("abbrev length out of range: %d"), abbrev); |
48d5014d JH |
1611 | default_abbrev = abbrev; |
1612 | } | |
dce96489 LT |
1613 | return 0; |
1614 | } | |
1615 | ||
5b33cb1f JK |
1616 | if (!strcmp(var, "core.disambiguate")) |
1617 | return set_disambiguate_hint_config(var, value); | |
1618 | ||
960ccca6 | 1619 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
1620 | int level = git_config_int(var, value); |
1621 | if (level == -1) | |
1622 | level = Z_DEFAULT_COMPRESSION; | |
1623 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1624 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 1625 | zlib_compression_level = level; |
960ccca6 DH |
1626 | zlib_compression_seen = 1; |
1627 | return 0; | |
1628 | } | |
1629 | ||
1630 | if (!strcmp(var, "core.compression")) { | |
1631 | int level = git_config_int(var, value); | |
1632 | if (level == -1) | |
1633 | level = Z_DEFAULT_COMPRESSION; | |
1634 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1635 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
1636 | if (!zlib_compression_seen) |
1637 | zlib_compression_level = level; | |
8de7eeb5 JH |
1638 | if (!pack_compression_seen) |
1639 | pack_compression_level = level; | |
12f6c308 JBH |
1640 | return 0; |
1641 | } | |
1642 | ||
60bb8b14 | 1643 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 1644 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 1645 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
1646 | |
1647 | /* This value must be multiple of (pagesize * 2) */ | |
1648 | packed_git_window_size /= pgsz_x2; | |
1649 | if (packed_git_window_size < 1) | |
1650 | packed_git_window_size = 1; | |
1651 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
1652 | return 0; |
1653 | } | |
1654 | ||
15366280 | 1655 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 1656 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
1657 | return 0; |
1658 | } | |
1659 | ||
77ccc5bb | 1660 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 1661 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
1662 | return 0; |
1663 | } | |
1664 | ||
18bdec11 | 1665 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 1666 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
1667 | return 0; |
1668 | } | |
1669 | ||
6c510bee | 1670 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 1671 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 1672 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
1673 | return 0; |
1674 | } | |
6c510bee LT |
1675 | auto_crlf = git_config_bool(var, value); |
1676 | return 0; | |
1677 | } | |
1678 | ||
21e5ad50 | 1679 | if (!strcmp(var, "core.safecrlf")) { |
8462ff43 | 1680 | int eol_rndtrp_die; |
21e5ad50 | 1681 | if (value && !strcasecmp(value, "warn")) { |
8462ff43 | 1682 | global_conv_flags_eol = CONV_EOL_RNDTRP_WARN; |
21e5ad50 SP |
1683 | return 0; |
1684 | } | |
8462ff43 TB |
1685 | eol_rndtrp_die = git_config_bool(var, value); |
1686 | global_conv_flags_eol = eol_rndtrp_die ? | |
6cb09125 | 1687 | CONV_EOL_RNDTRP_DIE : 0; |
21e5ad50 SP |
1688 | return 0; |
1689 | } | |
1690 | ||
942e7747 EB |
1691 | if (!strcmp(var, "core.eol")) { |
1692 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 1693 | core_eol = EOL_LF; |
942e7747 | 1694 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 1695 | core_eol = EOL_CRLF; |
942e7747 | 1696 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 1697 | core_eol = EOL_NATIVE; |
942e7747 | 1698 | else |
ec70f52f | 1699 | core_eol = EOL_UNSET; |
942e7747 EB |
1700 | return 0; |
1701 | } | |
1702 | ||
e92d6225 LS |
1703 | if (!strcmp(var, "core.checkroundtripencoding")) { |
1704 | check_roundtrip_encoding = xstrdup(value); | |
1705 | return 0; | |
1706 | } | |
1707 | ||
a97a7468 JS |
1708 | if (!strcmp(var, "core.notesref")) { |
1709 | notes_ref_name = xstrdup(value); | |
1710 | return 0; | |
1711 | } | |
1712 | ||
806e2ad7 LT |
1713 | if (!strcmp(var, "core.editor")) |
1714 | return git_config_string(&editor_program, var, value); | |
1715 | ||
eff80a9f | 1716 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
1717 | if (!value) |
1718 | return config_error_nonbool(var); | |
ad524f83 | 1719 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 1720 | auto_comment_line_char = 1; |
ad524f83 | 1721 | else if (value[0] && !value[1]) { |
649409b7 | 1722 | comment_line_char = value[0]; |
84c9dc2c | 1723 | auto_comment_line_char = 0; |
50b54fd7 | 1724 | } else |
a769bfc7 | 1725 | return error(_("core.commentChar should only be one character")); |
50b54fd7 | 1726 | return 0; |
eff80a9f JH |
1727 | } |
1728 | ||
d3e7da89 AK |
1729 | if (!strcmp(var, "core.askpass")) |
1730 | return git_config_string(&askpass_program, var, value); | |
1731 | ||
806e2ad7 | 1732 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 1733 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
1734 | |
1735 | if (!strcmp(var, "core.whitespace")) { | |
1736 | if (!value) | |
1737 | return config_error_nonbool(var); | |
1738 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
1739 | return 0; | |
1740 | } | |
1741 | ||
844a8ad4 NS |
1742 | if (!strcmp(var, "core.fsync")) { |
1743 | if (!value) | |
1744 | return config_error_nonbool(var); | |
1745 | fsync_components = parse_fsync_components(var, value); | |
1746 | return 0; | |
1747 | } | |
1748 | ||
abf38abe NS |
1749 | if (!strcmp(var, "core.fsyncmethod")) { |
1750 | if (!value) | |
1751 | return config_error_nonbool(var); | |
1752 | if (!strcmp(value, "fsync")) | |
1753 | fsync_method = FSYNC_METHOD_FSYNC; | |
1754 | else if (!strcmp(value, "writeout-only")) | |
1755 | fsync_method = FSYNC_METHOD_WRITEOUT_ONLY; | |
c0f4752e NS |
1756 | else if (!strcmp(value, "batch")) |
1757 | fsync_method = FSYNC_METHOD_BATCH; | |
abf38abe NS |
1758 | else |
1759 | warning(_("ignoring unknown core.fsyncMethod value '%s'"), value); | |
1760 | ||
1761 | } | |
1762 | ||
aafe9fba | 1763 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
844a8ad4 | 1764 | if (fsync_object_files < 0) |
f12f3b98 | 1765 | warning(_("core.fsyncObjectFiles is deprecated; use core.fsync instead")); |
aafe9fba LT |
1766 | fsync_object_files = git_config_bool(var, value); |
1767 | return 0; | |
1768 | } | |
1769 | ||
671c9b7e LT |
1770 | if (!strcmp(var, "core.preloadindex")) { |
1771 | core_preload_index = git_config_bool(var, value); | |
1772 | return 0; | |
1773 | } | |
1774 | ||
348df166 JS |
1775 | if (!strcmp(var, "core.createobject")) { |
1776 | if (!strcmp(value, "rename")) | |
1777 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
1778 | else if (!strcmp(value, "link")) | |
1779 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
1780 | else | |
8262aaa2 | 1781 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
1782 | return 0; |
1783 | } | |
1784 | ||
08aefc9e NTND |
1785 | if (!strcmp(var, "core.sparsecheckout")) { |
1786 | core_apply_sparse_checkout = git_config_bool(var, value); | |
1787 | return 0; | |
1788 | } | |
1789 | ||
879321eb DS |
1790 | if (!strcmp(var, "core.sparsecheckoutcone")) { |
1791 | core_sparse_checkout_cone = git_config_bool(var, value); | |
1792 | return 0; | |
1793 | } | |
1794 | ||
76759c7d TB |
1795 | if (!strcmp(var, "core.precomposeunicode")) { |
1796 | precomposed_unicode = git_config_bool(var, value); | |
1797 | return 0; | |
1798 | } | |
1799 | ||
a42643aa JK |
1800 | if (!strcmp(var, "core.protecthfs")) { |
1801 | protect_hfs = git_config_bool(var, value); | |
1802 | return 0; | |
1803 | } | |
1804 | ||
2b4c6efc JS |
1805 | if (!strcmp(var, "core.protectntfs")) { |
1806 | protect_ntfs = git_config_bool(var, value); | |
1807 | return 0; | |
76759c7d TB |
1808 | } |
1809 | ||
da4398d6 JK |
1810 | if (!strcmp(var, "core.usereplacerefs")) { |
1811 | read_replace_refs = git_config_bool(var, value); | |
1812 | return 0; | |
1813 | } | |
1814 | ||
806e2ad7 | 1815 | /* Add other config variables here and to Documentation/config.txt. */ |
70fc5793 | 1816 | return platform_core_config(var, value, cb); |
806e2ad7 LT |
1817 | } |
1818 | ||
ecc7c884 EN |
1819 | static int git_default_sparse_config(const char *var, const char *value) |
1820 | { | |
1821 | if (!strcmp(var, "sparse.expectfilesoutsideofpatterns")) { | |
1822 | sparse_expect_files_outside_of_patterns = git_config_bool(var, value); | |
1823 | return 0; | |
1824 | } | |
1825 | ||
1826 | /* Add other config variables here and to Documentation/config/sparse.txt. */ | |
1827 | return 0; | |
1828 | } | |
1829 | ||
1141f492 | 1830 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1831 | { |
ea5105a5 CC |
1832 | if (!strcmp(var, "i18n.commitencoding")) |
1833 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1834 | |
ea5105a5 CC |
1835 | if (!strcmp(var, "i18n.logoutputencoding")) |
1836 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1837 | |
1141f492 LT |
1838 | /* Add other config variables here and to Documentation/config.txt. */ |
1839 | return 0; | |
1840 | } | |
039bc64e | 1841 | |
1141f492 LT |
1842 | static int git_default_branch_config(const char *var, const char *value) |
1843 | { | |
9ed36cfa | 1844 | if (!strcmp(var, "branch.autosetupmerge")) { |
44f14a9d | 1845 | if (value && !strcmp(value, "always")) { |
9ed36cfa JS |
1846 | git_branch_track = BRANCH_TRACK_ALWAYS; |
1847 | return 0; | |
d3115660 JS |
1848 | } else if (value && !strcmp(value, "inherit")) { |
1849 | git_branch_track = BRANCH_TRACK_INHERIT; | |
1850 | return 0; | |
bdaf1dfa TK |
1851 | } else if (value && !strcmp(value, "simple")) { |
1852 | git_branch_track = BRANCH_TRACK_SIMPLE; | |
1853 | return 0; | |
9ed36cfa JS |
1854 | } |
1855 | git_branch_track = git_config_bool(var, value); | |
1856 | return 0; | |
1857 | } | |
c998ae9b DS |
1858 | if (!strcmp(var, "branch.autosetuprebase")) { |
1859 | if (!value) | |
1860 | return config_error_nonbool(var); | |
1861 | else if (!strcmp(value, "never")) | |
1862 | autorebase = AUTOREBASE_NEVER; | |
1863 | else if (!strcmp(value, "local")) | |
1864 | autorebase = AUTOREBASE_LOCAL; | |
1865 | else if (!strcmp(value, "remote")) | |
1866 | autorebase = AUTOREBASE_REMOTE; | |
1867 | else if (!strcmp(value, "always")) | |
1868 | autorebase = AUTOREBASE_ALWAYS; | |
1869 | else | |
a769bfc7 | 1870 | return error(_("malformed value for %s"), var); |
c998ae9b DS |
1871 | return 0; |
1872 | } | |
a9cc857a | 1873 | |
1ab661dd | 1874 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1875 | return 0; |
1876 | } | |
1877 | ||
52153747 FAG |
1878 | static int git_default_push_config(const char *var, const char *value) |
1879 | { | |
1880 | if (!strcmp(var, "push.default")) { | |
1881 | if (!value) | |
1882 | return config_error_nonbool(var); | |
1883 | else if (!strcmp(value, "nothing")) | |
1884 | push_default = PUSH_DEFAULT_NOTHING; | |
1885 | else if (!strcmp(value, "matching")) | |
1886 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1887 | else if (!strcmp(value, "simple")) |
1888 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1889 | else if (!strcmp(value, "upstream")) |
1890 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1891 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1892 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1893 | else if (!strcmp(value, "current")) |
1894 | push_default = PUSH_DEFAULT_CURRENT; | |
1895 | else { | |
a769bfc7 NTND |
1896 | error(_("malformed value for %s: %s"), var, value); |
1897 | return error(_("must be one of nothing, matching, simple, " | |
1898 | "upstream or current")); | |
52153747 FAG |
1899 | } |
1900 | return 0; | |
1901 | } | |
1902 | ||
1903 | /* Add other config variables here and to Documentation/config.txt. */ | |
1904 | return 0; | |
1905 | } | |
1906 | ||
d551a488 MSO |
1907 | static int git_default_mailmap_config(const char *var, const char *value) |
1908 | { | |
1909 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1910 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1911 | if (!strcmp(var, "mailmap.blob")) |
1912 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1913 | |
1914 | /* Add other config variables here and to Documentation/config.txt. */ | |
1915 | return 0; | |
1916 | } | |
1917 | ||
409670f3 | 1918 | int git_default_config(const char *var, const char *value, void *cb) |
1141f492 | 1919 | { |
59556548 | 1920 | if (starts_with(var, "core.")) |
70fc5793 | 1921 | return git_default_core_config(var, value, cb); |
1141f492 | 1922 | |
39ab4d09 WH |
1923 | if (starts_with(var, "user.") || |
1924 | starts_with(var, "author.") || | |
1925 | starts_with(var, "committer.")) | |
409670f3 | 1926 | return git_ident_config(var, value, cb); |
1141f492 | 1927 | |
59556548 | 1928 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1929 | return git_default_i18n_config(var, value); |
1930 | ||
59556548 | 1931 | if (starts_with(var, "branch.")) |
1141f492 LT |
1932 | return git_default_branch_config(var, value); |
1933 | ||
59556548 | 1934 | if (starts_with(var, "push.")) |
52153747 FAG |
1935 | return git_default_push_config(var, value); |
1936 | ||
59556548 | 1937 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1938 | return git_default_mailmap_config(var, value); |
1939 | ||
960786e7 | 1940 | if (starts_with(var, "advice.") || starts_with(var, "color.advice")) |
75194438 JK |
1941 | return git_default_advice_config(var, value); |
1942 | ||
1141f492 LT |
1943 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1944 | pager_use_color = git_config_bool(var,value); | |
1945 | return 0; | |
1946 | } | |
1947 | ||
568508e7 JH |
1948 | if (!strcmp(var, "pack.packsizelimit")) { |
1949 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1950 | return 0; | |
1951 | } | |
8de7eeb5 JH |
1952 | |
1953 | if (!strcmp(var, "pack.compression")) { | |
1954 | int level = git_config_int(var, value); | |
1955 | if (level == -1) | |
1956 | level = Z_DEFAULT_COMPRESSION; | |
1957 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1958 | die(_("bad pack compression level %d"), level); | |
1959 | pack_compression_level = level; | |
1960 | pack_compression_seen = 1; | |
1961 | return 0; | |
1962 | } | |
1963 | ||
ecc7c884 EN |
1964 | if (starts_with(var, "sparse.")) |
1965 | return git_default_sparse_config(var, value); | |
1966 | ||
1141f492 LT |
1967 | /* Add other config variables here and to Documentation/config.txt. */ |
1968 | return 0; | |
1969 | } | |
1970 | ||
ca4b5de2 | 1971 | /* |
b2dc0945 | 1972 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1973 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1974 | * this function. |
1975 | */ | |
0c602851 GC |
1976 | static int do_config_from(struct config_reader *reader, |
1977 | struct config_source *top, config_fn_t fn, void *data, | |
8032cc44 | 1978 | const struct config_options *opts) |
ca4b5de2 HV |
1979 | { |
1980 | int ret; | |
1981 | ||
1982 | /* push config-file parsing state stack */ | |
ca4b5de2 HV |
1983 | top->linenr = 1; |
1984 | top->eof = 0; | |
348482de | 1985 | top->total_len = 0; |
ca4b5de2 HV |
1986 | strbuf_init(&top->value, 1024); |
1987 | strbuf_init(&top->var, 1024); | |
0c602851 | 1988 | config_reader_push_source(reader, top); |
ca4b5de2 | 1989 | |
c97f3ed2 | 1990 | ret = git_parse_source(top, fn, data, opts); |
ca4b5de2 HV |
1991 | |
1992 | /* pop config-file parsing state stack */ | |
1993 | strbuf_release(&top->value); | |
1994 | strbuf_release(&top->var); | |
0c602851 | 1995 | config_reader_pop_source(reader); |
ca4b5de2 HV |
1996 | |
1997 | return ret; | |
1998 | } | |
1999 | ||
0c602851 GC |
2000 | static int do_config_from_file(struct config_reader *reader, |
2001 | config_fn_t fn, | |
2002 | const enum config_origin_type origin_type, | |
2003 | const char *name, const char *path, FILE *f, | |
2004 | void *data, const struct config_options *opts) | |
17712991 | 2005 | { |
c009bc89 | 2006 | struct config_source top = CONFIG_SOURCE_INIT; |
05e293c1 | 2007 | int ret; |
17712991 | 2008 | |
3caec73b | 2009 | top.u.file = f; |
473166b9 | 2010 | top.origin_type = origin_type; |
3caec73b KS |
2011 | top.name = name; |
2012 | top.path = path; | |
66f97228 | 2013 | top.default_error_action = CONFIG_ERROR_DIE; |
3caec73b KS |
2014 | top.do_fgetc = config_file_fgetc; |
2015 | top.do_ungetc = config_file_ungetc; | |
2016 | top.do_ftell = config_file_ftell; | |
924aaf3e | 2017 | |
05e293c1 | 2018 | flockfile(f); |
0c602851 | 2019 | ret = do_config_from(reader, &top, fn, data, opts); |
05e293c1 JK |
2020 | funlockfile(f); |
2021 | return ret; | |
3caec73b | 2022 | } |
924aaf3e | 2023 | |
3caec73b KS |
2024 | static int git_config_from_stdin(config_fn_t fn, void *data) |
2025 | { | |
0c602851 GC |
2026 | return do_config_from_file(&the_reader, fn, CONFIG_ORIGIN_STDIN, "", |
2027 | NULL, stdin, data, NULL); | |
3caec73b KS |
2028 | } |
2029 | ||
8032cc44 JS |
2030 | int git_config_from_file_with_options(config_fn_t fn, const char *filename, |
2031 | void *data, | |
2032 | const struct config_options *opts) | |
3caec73b KS |
2033 | { |
2034 | int ret = -1; | |
2035 | FILE *f; | |
924aaf3e | 2036 | |
776f1848 GC |
2037 | if (!filename) |
2038 | BUG("filename cannot be NULL"); | |
e9d983f1 | 2039 | f = fopen_or_warn(filename, "r"); |
3caec73b | 2040 | if (f) { |
0c602851 GC |
2041 | ret = do_config_from_file(&the_reader, fn, CONFIG_ORIGIN_FILE, |
2042 | filename, filename, f, data, opts); | |
17712991 LT |
2043 | fclose(f); |
2044 | } | |
2045 | return ret; | |
2046 | } | |
10bea152 | 2047 | |
8032cc44 JS |
2048 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) |
2049 | { | |
2050 | return git_config_from_file_with_options(fn, filename, data, NULL); | |
2051 | } | |
2052 | ||
4574f1aa JK |
2053 | int git_config_from_mem(config_fn_t fn, |
2054 | const enum config_origin_type origin_type, | |
2055 | const char *name, const char *buf, size_t len, | |
2056 | void *data, const struct config_options *opts) | |
1bc88819 | 2057 | { |
c009bc89 | 2058 | struct config_source top = CONFIG_SOURCE_INIT; |
1bc88819 HV |
2059 | |
2060 | top.u.buf.buf = buf; | |
2061 | top.u.buf.len = len; | |
2062 | top.u.buf.pos = 0; | |
473166b9 | 2063 | top.origin_type = origin_type; |
1bc88819 | 2064 | top.name = name; |
d14d4244 | 2065 | top.path = NULL; |
66f97228 | 2066 | top.default_error_action = CONFIG_ERROR_ERROR; |
49d6cfa5 JK |
2067 | top.do_fgetc = config_buf_fgetc; |
2068 | top.do_ungetc = config_buf_ungetc; | |
2069 | top.do_ftell = config_buf_ftell; | |
1bc88819 | 2070 | |
0c602851 | 2071 | return do_config_from(&the_reader, &top, fn, data, opts); |
1bc88819 HV |
2072 | } |
2073 | ||
cd73de47 | 2074 | int git_config_from_blob_oid(config_fn_t fn, |
9ebf689a | 2075 | const char *name, |
e3e8bf04 | 2076 | struct repository *repo, |
cd73de47 | 2077 | const struct object_id *oid, |
9ebf689a | 2078 | void *data) |
1bc88819 HV |
2079 | { |
2080 | enum object_type type; | |
2081 | char *buf; | |
2082 | unsigned long size; | |
2083 | int ret; | |
2084 | ||
e3e8bf04 | 2085 | buf = repo_read_object_file(repo, oid, &type, &size); |
1bc88819 | 2086 | if (!buf) |
a769bfc7 | 2087 | return error(_("unable to load config blob object '%s'"), name); |
1bc88819 HV |
2088 | if (type != OBJ_BLOB) { |
2089 | free(buf); | |
a769bfc7 | 2090 | return error(_("reference '%s' does not point to a blob"), name); |
1bc88819 HV |
2091 | } |
2092 | ||
4574f1aa JK |
2093 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, |
2094 | data, NULL); | |
1bc88819 HV |
2095 | free(buf); |
2096 | ||
2097 | return ret; | |
2098 | } | |
2099 | ||
2100 | static int git_config_from_blob_ref(config_fn_t fn, | |
e3e8bf04 | 2101 | struct repository *repo, |
1bc88819 HV |
2102 | const char *name, |
2103 | void *data) | |
2104 | { | |
cd73de47 | 2105 | struct object_id oid; |
1bc88819 | 2106 | |
e3e8bf04 | 2107 | if (repo_get_oid(repo, name, &oid) < 0) |
a769bfc7 | 2108 | return error(_("unable to resolve config blob '%s'"), name); |
e3e8bf04 | 2109 | return git_config_from_blob_oid(fn, name, repo, &oid, data); |
1bc88819 HV |
2110 | } |
2111 | ||
c62a999c | 2112 | char *git_system_config(void) |
506b17b1 | 2113 | { |
4179b489 | 2114 | char *system_config = xstrdup_or_null(getenv("GIT_CONFIG_SYSTEM")); |
e3553076 JS |
2115 | if (!system_config) |
2116 | system_config = system_path(ETC_GITCONFIG); | |
2117 | normalize_path_copy(system_config, system_config); | |
2118 | return system_config; | |
506b17b1 JS |
2119 | } |
2120 | ||
4179b489 | 2121 | void git_global_config(char **user_out, char **xdg_out) |
1e06eb9b | 2122 | { |
4179b489 PS |
2123 | char *user_config = xstrdup_or_null(getenv("GIT_CONFIG_GLOBAL")); |
2124 | char *xdg_config = NULL; | |
2125 | ||
2126 | if (!user_config) { | |
a03b097d | 2127 | user_config = interpolate_path("~/.gitconfig", 0); |
4179b489 PS |
2128 | xdg_config = xdg_config_home("config"); |
2129 | } | |
2130 | ||
2131 | *user_out = user_config; | |
2132 | *xdg_out = xdg_config; | |
506b17b1 JS |
2133 | } |
2134 | ||
23b0c478 SP |
2135 | /* |
2136 | * Parse environment variable 'k' as a boolean (in various | |
2137 | * possible spellings); if missing, use the default value 'def'. | |
2138 | */ | |
0ef37164 | 2139 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
2140 | { |
2141 | const char *v = getenv(k); | |
2142 | return v ? git_config_bool(k, v) : def; | |
2143 | } | |
2144 | ||
23b0c478 SP |
2145 | /* |
2146 | * Parse environment variable 'k' as ulong with possibly a unit | |
2147 | * suffix; if missing, use the default value 'val'. | |
2148 | */ | |
2149 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
2150 | { | |
2151 | const char *v = getenv(k); | |
2152 | if (v && !git_parse_ulong(v, &val)) | |
a769bfc7 | 2153 | die(_("failed to parse %s"), k); |
23b0c478 SP |
2154 | return val; |
2155 | } | |
2156 | ||
ab88c363 JK |
2157 | int git_config_system(void) |
2158 | { | |
2159 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
2160 | } | |
2161 | ||
e145a0bc NTND |
2162 | static int do_git_config_sequence(const struct config_options *opts, |
2163 | config_fn_t fn, void *data) | |
4f629539 | 2164 | { |
c72ee44b | 2165 | int ret = 0; |
c62a999c | 2166 | char *system_config = git_system_config(); |
1e06eb9b PS |
2167 | char *xdg_config = NULL; |
2168 | char *user_config = NULL; | |
e145a0bc | 2169 | char *repo_config; |
5c105a84 | 2170 | enum config_scope prev_parsing_scope = current_parsing_scope; |
e145a0bc | 2171 | |
a577fb5f BW |
2172 | if (opts->commondir) |
2173 | repo_config = mkpathdup("%s/config", opts->commondir); | |
44004872 JS |
2174 | else if (opts->git_dir) |
2175 | BUG("git_dir without commondir"); | |
e145a0bc NTND |
2176 | else |
2177 | repo_config = NULL; | |
5f1a63e0 | 2178 | |
9acc5911 | 2179 | current_parsing_scope = CONFIG_SCOPE_SYSTEM; |
c62a999c PS |
2180 | if (git_config_system() && system_config && |
2181 | !access_or_die(system_config, R_OK, | |
2182 | opts->system_gently ? ACCESS_EACCES_OK : 0)) | |
2183 | ret += git_config_from_file(fn, system_config, data); | |
5f1a63e0 | 2184 | |
9acc5911 | 2185 | current_parsing_scope = CONFIG_SCOPE_GLOBAL; |
1e06eb9b PS |
2186 | git_global_config(&user_config, &xdg_config); |
2187 | ||
c72ee44b | 2188 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 2189 | ret += git_config_from_file(fn, xdg_config, data); |
21cf3227 | 2190 | |
c72ee44b | 2191 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 2192 | ret += git_config_from_file(fn, user_config, data); |
5f1a63e0 | 2193 | |
6dc905d9 | 2194 | current_parsing_scope = CONFIG_SCOPE_LOCAL; |
800a7f99 JH |
2195 | if (!opts->ignore_repo && repo_config && |
2196 | !access_or_die(repo_config, R_OK, 0)) | |
aa387407 | 2197 | ret += git_config_from_file(fn, repo_config, data); |
8b1fa778 | 2198 | |
6dc905d9 | 2199 | current_parsing_scope = CONFIG_SCOPE_WORKTREE; |
800a7f99 | 2200 | if (!opts->ignore_worktree && repository_format_worktree_config) { |
58b284a2 NTND |
2201 | char *path = git_pathdup("config.worktree"); |
2202 | if (!access_or_die(path, R_OK, 0)) | |
2203 | ret += git_config_from_file(fn, path, data); | |
2204 | free(path); | |
2205 | } | |
2206 | ||
6766e41b | 2207 | current_parsing_scope = CONFIG_SCOPE_COMMAND; |
800a7f99 | 2208 | if (!opts->ignore_cmdline && git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 2209 | die(_("unable to parse command-line config")); |
8b1fa778 | 2210 | |
5c105a84 | 2211 | current_parsing_scope = prev_parsing_scope; |
c62a999c | 2212 | free(system_config); |
21cf3227 HKNN |
2213 | free(xdg_config); |
2214 | free(user_config); | |
80181868 | 2215 | free(repo_config); |
c72ee44b | 2216 | return ret; |
4f629539 JH |
2217 | } |
2218 | ||
dc8441fd BW |
2219 | int config_with_options(config_fn_t fn, void *data, |
2220 | struct git_config_source *config_source, | |
2221 | const struct config_options *opts) | |
dbdf5854 | 2222 | { |
9b25a0b5 | 2223 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
399b1984 | 2224 | int ret; |
9b25a0b5 | 2225 | |
c48f4b37 | 2226 | if (opts->respect_includes) { |
9b25a0b5 JK |
2227 | inc.fn = fn; |
2228 | inc.data = data; | |
c48f4b37 | 2229 | inc.opts = opts; |
399b1984 | 2230 | inc.config_source = config_source; |
9b25a0b5 JK |
2231 | fn = git_config_include; |
2232 | data = &inc; | |
2233 | } | |
dbdf5854 | 2234 | |
e37efa40 MR |
2235 | if (config_source) |
2236 | current_parsing_scope = config_source->scope; | |
2237 | ||
c9b5e2a5 JK |
2238 | /* |
2239 | * If we have a specific filename, use it. Otherwise, follow the | |
2240 | * regular lookup sequence. | |
2241 | */ | |
e3e8bf04 | 2242 | if (config_source && config_source->use_stdin) { |
399b1984 | 2243 | ret = git_config_from_stdin(fn, data); |
e3e8bf04 | 2244 | } else if (config_source && config_source->file) { |
399b1984 | 2245 | ret = git_config_from_file(fn, config_source->file, data); |
e3e8bf04 JT |
2246 | } else if (config_source && config_source->blob) { |
2247 | struct repository *repo = config_source->repo ? | |
2248 | config_source->repo : the_repository; | |
399b1984 | 2249 | ret = git_config_from_blob_ref(fn, repo, config_source->blob, |
e3e8bf04 | 2250 | data); |
399b1984 JT |
2251 | } else { |
2252 | ret = do_git_config_sequence(opts, fn, data); | |
e3e8bf04 | 2253 | } |
c9b5e2a5 | 2254 | |
399b1984 JT |
2255 | if (inc.remote_urls) { |
2256 | string_list_clear(inc.remote_urls, 0); | |
2257 | FREE_AND_NULL(inc.remote_urls); | |
2258 | } | |
2259 | return ret; | |
dbdf5854 NTND |
2260 | } |
2261 | ||
155ef25f | 2262 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 2263 | { |
155ef25f TA |
2264 | int i, value_index; |
2265 | struct string_list *values; | |
2266 | struct config_set_element *entry; | |
2267 | struct configset_list *list = &cs->list; | |
155ef25f TA |
2268 | |
2269 | for (i = 0; i < list->nr; i++) { | |
2270 | entry = list->items[i].e; | |
2271 | value_index = list->items[i].value_index; | |
2272 | values = &entry->value_list; | |
0d44a2da JK |
2273 | |
2274 | current_config_kvi = values->items[value_index].util; | |
2275 | ||
2276 | if (fn(entry->key, values->items[value_index].string, data) < 0) | |
2277 | git_die_config_linenr(entry->key, | |
2278 | current_config_kvi->filename, | |
2279 | current_config_kvi->linenr); | |
2280 | ||
2281 | current_config_kvi = NULL; | |
155ef25f TA |
2282 | } |
2283 | } | |
2284 | ||
0654aa57 JS |
2285 | void read_early_config(config_fn_t cb, void *data) |
2286 | { | |
c48f4b37 | 2287 | struct config_options opts = {0}; |
d3fb71b3 BW |
2288 | struct strbuf commondir = STRBUF_INIT; |
2289 | struct strbuf gitdir = STRBUF_INIT; | |
1a27409a | 2290 | |
c48f4b37 | 2291 | opts.respect_includes = 1; |
0654aa57 | 2292 | |
a577fb5f BW |
2293 | if (have_git_dir()) { |
2294 | opts.commondir = get_git_common_dir(); | |
2185fde5 | 2295 | opts.git_dir = get_git_dir(); |
0654aa57 | 2296 | /* |
1a27409a JS |
2297 | * When setup_git_directory() was not yet asked to discover the |
2298 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
2299 | * is any repository config we should use (but unlike | |
2300 | * setup_git_directory_gently(), no global state is changed, most | |
2301 | * notably, the current working directory is still the same after the | |
2302 | * call). | |
0654aa57 | 2303 | */ |
a577fb5f BW |
2304 | } else if (!discover_git_directory(&commondir, &gitdir)) { |
2305 | opts.commondir = commondir.buf; | |
d3fb71b3 | 2306 | opts.git_dir = gitdir.buf; |
a577fb5f | 2307 | } |
2185fde5 | 2308 | |
dc8441fd | 2309 | config_with_options(cb, data, NULL, &opts); |
0654aa57 | 2310 | |
d3fb71b3 BW |
2311 | strbuf_release(&commondir); |
2312 | strbuf_release(&gitdir); | |
0654aa57 JS |
2313 | } |
2314 | ||
800a7f99 JH |
2315 | /* |
2316 | * Read config but only enumerate system and global settings. | |
2317 | * Omit any repo-local, worktree-local, or command-line settings. | |
2318 | */ | |
2319 | void read_very_early_config(config_fn_t cb, void *data) | |
2320 | { | |
2321 | struct config_options opts = { 0 }; | |
2322 | ||
2323 | opts.respect_includes = 1; | |
2324 | opts.ignore_repo = 1; | |
2325 | opts.ignore_worktree = 1; | |
2326 | opts.ignore_cmdline = 1; | |
f672deec | 2327 | opts.system_gently = 1; |
800a7f99 JH |
2328 | |
2329 | config_with_options(cb, data, NULL, &opts); | |
2330 | } | |
2331 | ||
3c8687a7 TA |
2332 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
2333 | { | |
2334 | struct config_set_element k; | |
2335 | struct config_set_element *found_entry; | |
2336 | char *normalized_key; | |
3c8687a7 TA |
2337 | /* |
2338 | * `key` may come from the user, so normalize it before using it | |
2339 | * for querying entries from the hashmap. | |
2340 | */ | |
270cd9ea | 2341 | if (git_config_parse_key(key, &normalized_key, NULL)) |
3c8687a7 TA |
2342 | return NULL; |
2343 | ||
d22245a2 | 2344 | hashmap_entry_init(&k.ent, strhash(normalized_key)); |
3c8687a7 | 2345 | k.key = normalized_key; |
404ab78e | 2346 | found_entry = hashmap_get_entry(&cs->config_hash, &k, ent, NULL); |
3c8687a7 TA |
2347 | free(normalized_key); |
2348 | return found_entry; | |
2349 | } | |
2350 | ||
2351 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
2352 | { | |
2353 | struct config_set_element *e; | |
3df8fd62 | 2354 | struct string_list_item *si; |
155ef25f | 2355 | struct configset_list_item *l_item; |
3df8fd62 TA |
2356 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
2357 | ||
3c8687a7 TA |
2358 | e = configset_find_element(cs, key); |
2359 | /* | |
2360 | * Since the keys are being fed by git_config*() callback mechanism, they | |
2361 | * are already normalized. So simply add them without any further munging. | |
2362 | */ | |
2363 | if (!e) { | |
2364 | e = xmalloc(sizeof(*e)); | |
d22245a2 | 2365 | hashmap_entry_init(&e->ent, strhash(key)); |
3c8687a7 | 2366 | e->key = xstrdup(key); |
bc40dfb1 | 2367 | string_list_init_dup(&e->value_list); |
b94e5c1d | 2368 | hashmap_add(&cs->config_hash, &e->ent); |
3c8687a7 | 2369 | } |
8c53f071 | 2370 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
2371 | |
2372 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
2373 | l_item = &cs->list.items[cs->list.nr++]; | |
2374 | l_item->e = e; | |
2375 | l_item->value_index = e->value_list.nr - 1; | |
2376 | ||
c97f3ed2 | 2377 | if (!cf_global) |
033abf97 | 2378 | BUG("configset_add_value has no source"); |
c97f3ed2 GC |
2379 | if (cf_global->name) { |
2380 | kv_info->filename = strintern(cf_global->name); | |
2381 | kv_info->linenr = cf_global->linenr; | |
2382 | kv_info->origin_type = cf_global->origin_type; | |
3df8fd62 TA |
2383 | } else { |
2384 | /* for values read from `git_config_from_parameters()` */ | |
2385 | kv_info->filename = NULL; | |
2386 | kv_info->linenr = -1; | |
1b8132d9 | 2387 | kv_info->origin_type = CONFIG_ORIGIN_CMDLINE; |
3df8fd62 | 2388 | } |
9acc5911 | 2389 | kv_info->scope = current_parsing_scope; |
3df8fd62 | 2390 | si->util = kv_info; |
3c8687a7 TA |
2391 | |
2392 | return 0; | |
2393 | } | |
2394 | ||
5cf88fd8 | 2395 | static int config_set_element_cmp(const void *cmp_data UNUSED, |
939af16e EW |
2396 | const struct hashmap_entry *eptr, |
2397 | const struct hashmap_entry *entry_or_key, | |
5cf88fd8 | 2398 | const void *keydata UNUSED) |
3c8687a7 | 2399 | { |
939af16e EW |
2400 | const struct config_set_element *e1, *e2; |
2401 | ||
2402 | e1 = container_of(eptr, const struct config_set_element, ent); | |
2403 | e2 = container_of(entry_or_key, const struct config_set_element, ent); | |
77bdc097 | 2404 | |
3c8687a7 TA |
2405 | return strcmp(e1->key, e2->key); |
2406 | } | |
2407 | ||
2408 | void git_configset_init(struct config_set *cs) | |
2409 | { | |
77bdc097 | 2410 | hashmap_init(&cs->config_hash, config_set_element_cmp, NULL, 0); |
3c8687a7 | 2411 | cs->hash_initialized = 1; |
155ef25f TA |
2412 | cs->list.nr = 0; |
2413 | cs->list.alloc = 0; | |
2414 | cs->list.items = NULL; | |
3c8687a7 TA |
2415 | } |
2416 | ||
2417 | void git_configset_clear(struct config_set *cs) | |
2418 | { | |
2419 | struct config_set_element *entry; | |
2420 | struct hashmap_iter iter; | |
2421 | if (!cs->hash_initialized) | |
2422 | return; | |
2423 | ||
87571c3f | 2424 | hashmap_for_each_entry(&cs->config_hash, &iter, entry, |
87571c3f | 2425 | ent /* member name */) { |
3c8687a7 | 2426 | free(entry->key); |
3df8fd62 | 2427 | string_list_clear(&entry->value_list, 1); |
3c8687a7 | 2428 | } |
6da1a258 | 2429 | hashmap_clear_and_free(&cs->config_hash, struct config_set_element, ent); |
3c8687a7 | 2430 | cs->hash_initialized = 0; |
155ef25f TA |
2431 | free(cs->list.items); |
2432 | cs->list.nr = 0; | |
2433 | cs->list.alloc = 0; | |
2434 | cs->list.items = NULL; | |
3c8687a7 TA |
2435 | } |
2436 | ||
2437 | static int config_set_callback(const char *key, const char *value, void *cb) | |
2438 | { | |
2439 | struct config_set *cs = cb; | |
2440 | configset_add_value(cs, key, value); | |
2441 | return 0; | |
2442 | } | |
2443 | ||
2444 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
2445 | { | |
2446 | return git_config_from_file(config_set_callback, filename, cs); | |
2447 | } | |
2448 | ||
2449 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
2450 | { | |
2451 | const struct string_list *values = NULL; | |
2452 | /* | |
2453 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
2454 | * queried key in the files of the configset, the value returned will be the last | |
2455 | * value in the value list for that key. | |
2456 | */ | |
2457 | values = git_configset_get_value_multi(cs, key); | |
2458 | ||
2459 | if (!values) | |
2460 | return 1; | |
2461 | assert(values->nr > 0); | |
2462 | *value = values->items[values->nr - 1].string; | |
2463 | return 0; | |
2464 | } | |
2465 | ||
2466 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
2467 | { | |
2468 | struct config_set_element *e = configset_find_element(cs, key); | |
2469 | return e ? &e->value_list : NULL; | |
2470 | } | |
2471 | ||
9a53219f | 2472 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) |
3c8687a7 TA |
2473 | { |
2474 | const char *value; | |
2475 | if (!git_configset_get_value(cs, key, &value)) | |
9a53219f | 2476 | return git_config_string((const char **)dest, key, value); |
3c8687a7 TA |
2477 | else |
2478 | return 1; | |
2479 | } | |
2480 | ||
3ce11382 DS |
2481 | static int git_configset_get_string_tmp(struct config_set *cs, const char *key, |
2482 | const char **dest) | |
3c8687a7 | 2483 | { |
f1de981e JK |
2484 | const char *value; |
2485 | if (!git_configset_get_value(cs, key, &value)) { | |
2486 | if (!value) | |
2487 | return config_error_nonbool(key); | |
2488 | *dest = value; | |
2489 | return 0; | |
2490 | } else { | |
2491 | return 1; | |
2492 | } | |
3c8687a7 TA |
2493 | } |
2494 | ||
2495 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
2496 | { | |
2497 | const char *value; | |
2498 | if (!git_configset_get_value(cs, key, &value)) { | |
2499 | *dest = git_config_int(key, value); | |
2500 | return 0; | |
2501 | } else | |
2502 | return 1; | |
2503 | } | |
2504 | ||
2505 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
2506 | { | |
2507 | const char *value; | |
2508 | if (!git_configset_get_value(cs, key, &value)) { | |
2509 | *dest = git_config_ulong(key, value); | |
2510 | return 0; | |
2511 | } else | |
2512 | return 1; | |
2513 | } | |
2514 | ||
2515 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
2516 | { | |
2517 | const char *value; | |
2518 | if (!git_configset_get_value(cs, key, &value)) { | |
2519 | *dest = git_config_bool(key, value); | |
2520 | return 0; | |
2521 | } else | |
2522 | return 1; | |
2523 | } | |
2524 | ||
2525 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
2526 | int *is_bool, int *dest) | |
2527 | { | |
2528 | const char *value; | |
2529 | if (!git_configset_get_value(cs, key, &value)) { | |
2530 | *dest = git_config_bool_or_int(key, value, is_bool); | |
2531 | return 0; | |
2532 | } else | |
2533 | return 1; | |
2534 | } | |
2535 | ||
2536 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
2537 | { | |
2538 | const char *value; | |
2539 | if (!git_configset_get_value(cs, key, &value)) { | |
89576613 | 2540 | *dest = git_parse_maybe_bool(value); |
3c8687a7 TA |
2541 | if (*dest == -1) |
2542 | return -1; | |
2543 | return 0; | |
2544 | } else | |
2545 | return 1; | |
2546 | } | |
2547 | ||
2548 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
2549 | { | |
2550 | const char *value; | |
2551 | if (!git_configset_get_value(cs, key, &value)) | |
2552 | return git_config_pathname(dest, key, value); | |
2553 | else | |
2554 | return 1; | |
2555 | } | |
2556 | ||
3b256228 BW |
2557 | /* Functions use to read configuration from a repository */ |
2558 | static void repo_read_config(struct repository *repo) | |
3c8687a7 | 2559 | { |
1703751f | 2560 | struct config_options opts = { 0 }; |
3b256228 BW |
2561 | |
2562 | opts.respect_includes = 1; | |
2563 | opts.commondir = repo->commondir; | |
2564 | opts.git_dir = repo->gitdir; | |
2565 | ||
2566 | if (!repo->config) | |
ca56dadb | 2567 | CALLOC_ARRAY(repo->config, 1); |
3b256228 BW |
2568 | else |
2569 | git_configset_clear(repo->config); | |
2570 | ||
2571 | git_configset_init(repo->config); | |
2572 | ||
2573 | if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0) | |
2574 | /* | |
2575 | * config_with_options() normally returns only | |
2576 | * zero, as most errors are fatal, and | |
2577 | * non-fatal potential errors are guarded by "if" | |
2578 | * statements that are entered only when no error is | |
2579 | * possible. | |
2580 | * | |
2581 | * If we ever encounter a non-fatal error, it means | |
2582 | * something went really wrong and we should stop | |
2583 | * immediately. | |
2584 | */ | |
2585 | die(_("unknown error occurred while reading the configuration files")); | |
2586 | } | |
2587 | ||
2588 | static void git_config_check_init(struct repository *repo) | |
2589 | { | |
2590 | if (repo->config && repo->config->hash_initialized) | |
3c8687a7 | 2591 | return; |
3b256228 | 2592 | repo_read_config(repo); |
3c8687a7 TA |
2593 | } |
2594 | ||
3b256228 | 2595 | static void repo_config_clear(struct repository *repo) |
3c8687a7 | 2596 | { |
3b256228 | 2597 | if (!repo->config || !repo->config->hash_initialized) |
3c8687a7 | 2598 | return; |
3b256228 | 2599 | git_configset_clear(repo->config); |
3c8687a7 TA |
2600 | } |
2601 | ||
3b256228 | 2602 | void repo_config(struct repository *repo, config_fn_t fn, void *data) |
3c8687a7 | 2603 | { |
3b256228 BW |
2604 | git_config_check_init(repo); |
2605 | configset_iter(repo->config, fn, data); | |
3c8687a7 TA |
2606 | } |
2607 | ||
3b256228 BW |
2608 | int repo_config_get_value(struct repository *repo, |
2609 | const char *key, const char **value) | |
3c8687a7 | 2610 | { |
3b256228 BW |
2611 | git_config_check_init(repo); |
2612 | return git_configset_get_value(repo->config, key, value); | |
3c8687a7 TA |
2613 | } |
2614 | ||
3b256228 BW |
2615 | const struct string_list *repo_config_get_value_multi(struct repository *repo, |
2616 | const char *key) | |
2617 | { | |
2618 | git_config_check_init(repo); | |
2619 | return git_configset_get_value_multi(repo->config, key); | |
2620 | } | |
2621 | ||
9a53219f JK |
2622 | int repo_config_get_string(struct repository *repo, |
2623 | const char *key, char **dest) | |
3b256228 BW |
2624 | { |
2625 | int ret; | |
2626 | git_config_check_init(repo); | |
9a53219f | 2627 | ret = git_configset_get_string(repo->config, key, dest); |
3b256228 BW |
2628 | if (ret < 0) |
2629 | git_die_config(key, NULL); | |
2630 | return ret; | |
2631 | } | |
2632 | ||
f1de981e JK |
2633 | int repo_config_get_string_tmp(struct repository *repo, |
2634 | const char *key, const char **dest) | |
3b256228 | 2635 | { |
f1de981e | 2636 | int ret; |
3b256228 | 2637 | git_config_check_init(repo); |
f1de981e JK |
2638 | ret = git_configset_get_string_tmp(repo->config, key, dest); |
2639 | if (ret < 0) | |
2640 | git_die_config(key, NULL); | |
2641 | return ret; | |
3b256228 BW |
2642 | } |
2643 | ||
2644 | int repo_config_get_int(struct repository *repo, | |
2645 | const char *key, int *dest) | |
2646 | { | |
2647 | git_config_check_init(repo); | |
2648 | return git_configset_get_int(repo->config, key, dest); | |
2649 | } | |
2650 | ||
2651 | int repo_config_get_ulong(struct repository *repo, | |
2652 | const char *key, unsigned long *dest) | |
2653 | { | |
2654 | git_config_check_init(repo); | |
2655 | return git_configset_get_ulong(repo->config, key, dest); | |
2656 | } | |
2657 | ||
2658 | int repo_config_get_bool(struct repository *repo, | |
2659 | const char *key, int *dest) | |
2660 | { | |
2661 | git_config_check_init(repo); | |
2662 | return git_configset_get_bool(repo->config, key, dest); | |
2663 | } | |
2664 | ||
2665 | int repo_config_get_bool_or_int(struct repository *repo, | |
2666 | const char *key, int *is_bool, int *dest) | |
2667 | { | |
2668 | git_config_check_init(repo); | |
2669 | return git_configset_get_bool_or_int(repo->config, key, is_bool, dest); | |
2670 | } | |
2671 | ||
2672 | int repo_config_get_maybe_bool(struct repository *repo, | |
2673 | const char *key, int *dest) | |
2674 | { | |
2675 | git_config_check_init(repo); | |
2676 | return git_configset_get_maybe_bool(repo->config, key, dest); | |
2677 | } | |
2678 | ||
2679 | int repo_config_get_pathname(struct repository *repo, | |
2680 | const char *key, const char **dest) | |
3c8687a7 | 2681 | { |
5a80e97c | 2682 | int ret; |
3b256228 BW |
2683 | git_config_check_init(repo); |
2684 | ret = git_configset_get_pathname(repo->config, key, dest); | |
5a80e97c TA |
2685 | if (ret < 0) |
2686 | git_die_config(key, NULL); | |
2687 | return ret; | |
3c8687a7 TA |
2688 | } |
2689 | ||
5b3c6507 GC |
2690 | /* Read values into protected_config. */ |
2691 | static void read_protected_config(void) | |
2692 | { | |
ecec57b3 GC |
2693 | struct config_options opts = { |
2694 | .respect_includes = 1, | |
2695 | .ignore_repo = 1, | |
2696 | .ignore_worktree = 1, | |
2697 | .system_gently = 1, | |
2698 | }; | |
5b3c6507 | 2699 | git_configset_init(&protected_config); |
ecec57b3 GC |
2700 | config_with_options(config_set_callback, &protected_config, |
2701 | NULL, &opts); | |
5b3c6507 GC |
2702 | } |
2703 | ||
2704 | void git_protected_config(config_fn_t fn, void *data) | |
2705 | { | |
2706 | if (!protected_config.hash_initialized) | |
2707 | read_protected_config(); | |
2708 | configset_iter(&protected_config, fn, data); | |
2709 | } | |
2710 | ||
3b256228 BW |
2711 | /* Functions used historically to read configuration from 'the_repository' */ |
2712 | void git_config(config_fn_t fn, void *data) | |
2713 | { | |
2714 | repo_config(the_repository, fn, data); | |
2715 | } | |
2716 | ||
2717 | void git_config_clear(void) | |
2718 | { | |
2719 | repo_config_clear(the_repository); | |
2720 | } | |
2721 | ||
2722 | int git_config_get_value(const char *key, const char **value) | |
2723 | { | |
2724 | return repo_config_get_value(the_repository, key, value); | |
2725 | } | |
2726 | ||
2727 | const struct string_list *git_config_get_value_multi(const char *key) | |
2728 | { | |
2729 | return repo_config_get_value_multi(the_repository, key); | |
2730 | } | |
2731 | ||
3c8687a7 | 2732 | int git_config_get_string(const char *key, char **dest) |
3b256228 | 2733 | { |
3b256228 | 2734 | return repo_config_get_string(the_repository, key, dest); |
3b256228 BW |
2735 | } |
2736 | ||
f1de981e | 2737 | int git_config_get_string_tmp(const char *key, const char **dest) |
3c8687a7 | 2738 | { |
f1de981e | 2739 | return repo_config_get_string_tmp(the_repository, key, dest); |
3c8687a7 TA |
2740 | } |
2741 | ||
2742 | int git_config_get_int(const char *key, int *dest) | |
2743 | { | |
3b256228 | 2744 | return repo_config_get_int(the_repository, key, dest); |
3c8687a7 TA |
2745 | } |
2746 | ||
2747 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
2748 | { | |
3b256228 | 2749 | return repo_config_get_ulong(the_repository, key, dest); |
3c8687a7 TA |
2750 | } |
2751 | ||
2752 | int git_config_get_bool(const char *key, int *dest) | |
2753 | { | |
3b256228 | 2754 | return repo_config_get_bool(the_repository, key, dest); |
3c8687a7 TA |
2755 | } |
2756 | ||
2757 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
2758 | { | |
3b256228 | 2759 | return repo_config_get_bool_or_int(the_repository, key, is_bool, dest); |
3c8687a7 TA |
2760 | } |
2761 | ||
2762 | int git_config_get_maybe_bool(const char *key, int *dest) | |
2763 | { | |
3b256228 | 2764 | return repo_config_get_maybe_bool(the_repository, key, dest); |
3c8687a7 TA |
2765 | } |
2766 | ||
2767 | int git_config_get_pathname(const char *key, const char **dest) | |
2768 | { | |
3b256228 | 2769 | return repo_config_get_pathname(the_repository, key, dest); |
5a80e97c TA |
2770 | } |
2771 | ||
77d67977 CC |
2772 | int git_config_get_expiry(const char *key, const char **output) |
2773 | { | |
9a53219f | 2774 | int ret = git_config_get_string(key, (char **)output); |
77d67977 CC |
2775 | if (ret) |
2776 | return ret; | |
2777 | if (strcmp(*output, "now")) { | |
dddbad72 | 2778 | timestamp_t now = approxidate("now"); |
77d67977 CC |
2779 | if (approxidate(*output) >= now) |
2780 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
2781 | } | |
2782 | return ret; | |
2783 | } | |
2784 | ||
6e96cb52 JH |
2785 | int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now) |
2786 | { | |
1c890016 | 2787 | const char *expiry_string; |
6e96cb52 JH |
2788 | intmax_t days; |
2789 | timestamp_t when; | |
2790 | ||
1c890016 | 2791 | if (git_config_get_string_tmp(key, &expiry_string)) |
6e96cb52 JH |
2792 | return 1; /* no such thing */ |
2793 | ||
2794 | if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) { | |
2795 | const int scale = 86400; | |
2796 | *expiry = now - days * scale; | |
2797 | return 0; | |
2798 | } | |
2799 | ||
2800 | if (!parse_expiry_date(expiry_string, &when)) { | |
2801 | *expiry = when; | |
2802 | return 0; | |
2803 | } | |
2804 | return -1; /* thing exists but cannot be parsed */ | |
2805 | } | |
2806 | ||
1f44b09b CC |
2807 | int git_config_get_split_index(void) |
2808 | { | |
2809 | int val; | |
2810 | ||
2811 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
2812 | return val; | |
2813 | ||
2814 | return -1; /* default value */ | |
2815 | } | |
2816 | ||
72dcb7b3 CC |
2817 | int git_config_get_max_percent_split_change(void) |
2818 | { | |
2819 | int val = -1; | |
2820 | ||
2821 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
2822 | if (0 <= val && val <= 100) | |
2823 | return val; | |
2824 | ||
2825 | return error(_("splitIndex.maxPercentChange value '%d' " | |
2826 | "should be between 0 and 100"), val); | |
2827 | } | |
2828 | ||
2829 | return -1; /* default value */ | |
2830 | } | |
2831 | ||
2a9dedef | 2832 | int git_config_get_index_threads(int *dest) |
c780b9cf | 2833 | { |
2a9dedef | 2834 | int is_bool, val; |
c780b9cf BP |
2835 | |
2836 | val = git_env_ulong("GIT_TEST_INDEX_THREADS", 0); | |
2a9dedef JN |
2837 | if (val) { |
2838 | *dest = val; | |
2839 | return 0; | |
2840 | } | |
c780b9cf BP |
2841 | |
2842 | if (!git_config_get_bool_or_int("index.threads", &is_bool, &val)) { | |
2843 | if (is_bool) | |
2a9dedef | 2844 | *dest = val ? 0 : 1; |
c780b9cf | 2845 | else |
2a9dedef JN |
2846 | *dest = val; |
2847 | return 0; | |
c780b9cf BP |
2848 | } |
2849 | ||
2a9dedef | 2850 | return 1; |
c780b9cf BP |
2851 | } |
2852 | ||
5a80e97c TA |
2853 | NORETURN |
2854 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
2855 | { | |
2856 | if (!filename) | |
2857 | die(_("unable to parse '%s' from command-line config"), key); | |
2858 | else | |
2859 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
2860 | key, filename, linenr); | |
2861 | } | |
2862 | ||
2863 | NORETURN __attribute__((format(printf, 2, 3))) | |
2864 | void git_die_config(const char *key, const char *err, ...) | |
2865 | { | |
2866 | const struct string_list *values; | |
2867 | struct key_value_info *kv_info; | |
f5c39c32 | 2868 | report_fn error_fn = get_error_routine(); |
5a80e97c TA |
2869 | |
2870 | if (err) { | |
2871 | va_list params; | |
2872 | va_start(params, err); | |
f5c39c32 | 2873 | error_fn(err, params); |
5a80e97c TA |
2874 | va_end(params); |
2875 | } | |
2876 | values = git_config_get_value_multi(key); | |
2877 | kv_info = values->items[values->nr - 1].util; | |
2878 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
2879 | } |
2880 | ||
10bea152 JS |
2881 | /* |
2882 | * Find all the stuff for git_config_set() below. | |
2883 | */ | |
4ddba79d | 2884 | |
fee8572c | 2885 | struct config_store_data { |
f011a965 | 2886 | size_t baselen; |
4b25d091 | 2887 | char *key; |
f98d863d | 2888 | int do_not_match; |
c90702a1 | 2889 | const char *fixed_value; |
247e2f82 | 2890 | regex_t *value_pattern; |
4ddba79d | 2891 | int multi_replace; |
6ae996f2 JS |
2892 | struct { |
2893 | size_t begin, end; | |
2894 | enum config_event_t type; | |
22aedfcc | 2895 | int is_keys_section; |
6ae996f2 JS |
2896 | } *parsed; |
2897 | unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc; | |
5221c315 | 2898 | unsigned int key_seen:1, section_seen:1, is_keys_section:1; |
fee8572c | 2899 | }; |
10bea152 | 2900 | |
2a00e594 MÅ |
2901 | static void config_store_data_clear(struct config_store_data *store) |
2902 | { | |
e7347cb9 | 2903 | free(store->key); |
247e2f82 DS |
2904 | if (store->value_pattern != NULL && |
2905 | store->value_pattern != CONFIG_REGEX_NONE) { | |
2906 | regfree(store->value_pattern); | |
2907 | free(store->value_pattern); | |
3b82542d | 2908 | } |
2a00e594 MÅ |
2909 | free(store->parsed); |
2910 | free(store->seen); | |
2911 | memset(store, 0, sizeof(*store)); | |
2912 | } | |
2913 | ||
fee8572c JS |
2914 | static int matches(const char *key, const char *value, |
2915 | const struct config_store_data *store) | |
f98d863d | 2916 | { |
fee8572c | 2917 | if (strcmp(key, store->key)) |
c1063be2 | 2918 | return 0; /* not ours */ |
c90702a1 DS |
2919 | if (store->fixed_value) |
2920 | return !strcmp(store->fixed_value, value); | |
247e2f82 | 2921 | if (!store->value_pattern) |
c1063be2 | 2922 | return 1; /* always matches */ |
247e2f82 | 2923 | if (store->value_pattern == CONFIG_REGEX_NONE) |
c1063be2 JK |
2924 | return 0; /* never matches */ |
2925 | ||
fee8572c | 2926 | return store->do_not_match ^ |
247e2f82 | 2927 | (value && !regexec(store->value_pattern, value, 0, NULL, 0)); |
f98d863d JS |
2928 | } |
2929 | ||
6ae996f2 JS |
2930 | static int store_aux_event(enum config_event_t type, |
2931 | size_t begin, size_t end, void *data) | |
2932 | { | |
2933 | struct config_store_data *store = data; | |
c97f3ed2 GC |
2934 | /* |
2935 | * FIXME Keep using "cf" so that we can avoid rewrapping a | |
2936 | * really long line below. Remove this when "cf" gets plumbed | |
2937 | * correctly. | |
2938 | */ | |
2939 | struct config_source *cf = cf_global; | |
6ae996f2 JS |
2940 | |
2941 | ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc); | |
2942 | store->parsed[store->parsed_nr].begin = begin; | |
2943 | store->parsed[store->parsed_nr].end = end; | |
2944 | store->parsed[store->parsed_nr].type = type; | |
6ae996f2 JS |
2945 | |
2946 | if (type == CONFIG_EVENT_SECTION) { | |
2d84f13d SB |
2947 | int (*cmpfn)(const char *, const char *, size_t); |
2948 | ||
6ae996f2 | 2949 | if (cf->var.len < 2 || cf->var.buf[cf->var.len - 1] != '.') |
a769bfc7 | 2950 | return error(_("invalid section name '%s'"), cf->var.buf); |
6ae996f2 | 2951 | |
2d84f13d SB |
2952 | if (cf->subsection_case_sensitive) |
2953 | cmpfn = strncasecmp; | |
2954 | else | |
2955 | cmpfn = strncmp; | |
2956 | ||
6ae996f2 | 2957 | /* Is this the section we were looking for? */ |
22aedfcc JS |
2958 | store->is_keys_section = |
2959 | store->parsed[store->parsed_nr].is_keys_section = | |
2960 | cf->var.len - 1 == store->baselen && | |
2d84f13d | 2961 | !cmpfn(cf->var.buf, store->key, store->baselen); |
c71d8bb3 JS |
2962 | if (store->is_keys_section) { |
2963 | store->section_seen = 1; | |
2964 | ALLOC_GROW(store->seen, store->seen_nr + 1, | |
2965 | store->seen_alloc); | |
2966 | store->seen[store->seen_nr] = store->parsed_nr; | |
2967 | } | |
6ae996f2 JS |
2968 | } |
2969 | ||
22aedfcc JS |
2970 | store->parsed_nr++; |
2971 | ||
6ae996f2 | 2972 | return 0; |
f98d863d JS |
2973 | } |
2974 | ||
4b25d091 | 2975 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 2976 | { |
fee8572c | 2977 | struct config_store_data *store = cb; |
ae9ee41d | 2978 | |
5221c315 | 2979 | if (store->key_seen) { |
fee8572c | 2980 | if (matches(key, value, store)) { |
668b9ade | 2981 | if (store->seen_nr == 1 && store->multi_replace == 0) { |
8262aaa2 | 2982 | warning(_("%s has multiple values"), key); |
10bea152 | 2983 | } |
4ddba79d | 2984 | |
668b9ade JS |
2985 | ALLOC_GROW(store->seen, store->seen_nr + 1, |
2986 | store->seen_alloc); | |
83786fa4 | 2987 | |
6ae996f2 | 2988 | store->seen[store->seen_nr] = store->parsed_nr; |
668b9ade | 2989 | store->seen_nr++; |
10bea152 | 2990 | } |
5221c315 | 2991 | } else if (store->is_keys_section) { |
ae9ee41d | 2992 | /* |
6ae996f2 JS |
2993 | * Do not increment matches yet: this may not be a match, but we |
2994 | * are in the desired section. | |
ae9ee41d | 2995 | */ |
6ae996f2 JS |
2996 | ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc); |
2997 | store->seen[store->seen_nr] = store->parsed_nr; | |
5221c315 | 2998 | store->section_seen = 1; |
ae9ee41d | 2999 | |
6ae996f2 JS |
3000 | if (matches(key, value, store)) { |
3001 | store->seen_nr++; | |
3002 | store->key_seen = 1; | |
bdf0ef08 | 3003 | } |
10bea152 | 3004 | } |
5221c315 | 3005 | |
10bea152 JS |
3006 | return 0; |
3007 | } | |
3008 | ||
64c0d71c | 3009 | static int write_error(const char *filename) |
480c9e52 | 3010 | { |
a769bfc7 | 3011 | error(_("failed to write new configuration file %s"), filename); |
480c9e52 AW |
3012 | |
3013 | /* Same error code as "failed to rename". */ | |
3014 | return 4; | |
3015 | } | |
3016 | ||
fee8572c JS |
3017 | static struct strbuf store_create_section(const char *key, |
3018 | const struct config_store_data *store) | |
10bea152 | 3019 | { |
cb891a59 | 3020 | const char *dot; |
f011a965 | 3021 | size_t i; |
f285a2d7 | 3022 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 3023 | |
fee8572c | 3024 | dot = memchr(key, '.', store->baselen); |
d14f7764 | 3025 | if (dot) { |
cb891a59 | 3026 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
fee8572c | 3027 | for (i = dot - key + 1; i < store->baselen; i++) { |
e5c349ba | 3028 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
3029 | strbuf_addch(&sb, '\\'); |
3030 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 3031 | } |
cb891a59 KH |
3032 | strbuf_addstr(&sb, "\"]\n"); |
3033 | } else { | |
f011a965 JK |
3034 | strbuf_addch(&sb, '['); |
3035 | strbuf_add(&sb, key, store->baselen); | |
3036 | strbuf_addstr(&sb, "]\n"); | |
d14f7764 LT |
3037 | } |
3038 | ||
5463caab SD |
3039 | return sb; |
3040 | } | |
3041 | ||
fee8572c JS |
3042 | static ssize_t write_section(int fd, const char *key, |
3043 | const struct config_store_data *store) | |
5463caab | 3044 | { |
fee8572c | 3045 | struct strbuf sb = store_create_section(key, store); |
3b48045c | 3046 | ssize_t ret; |
5463caab | 3047 | |
782c030e | 3048 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 | 3049 | strbuf_release(&sb); |
480c9e52 | 3050 | |
d9bd4cbb | 3051 | return ret; |
10bea152 JS |
3052 | } |
3053 | ||
fee8572c JS |
3054 | static ssize_t write_pair(int fd, const char *key, const char *value, |
3055 | const struct config_store_data *store) | |
10bea152 | 3056 | { |
d9bd4cbb JK |
3057 | int i; |
3058 | ssize_t ret; | |
cb891a59 | 3059 | const char *quote = ""; |
f285a2d7 | 3060 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 3061 | |
6281f394 JM |
3062 | /* |
3063 | * Check to see if the value needs to be surrounded with a dq pair. | |
3064 | * Note that problematic characters are always backslash-quoted; this | |
3065 | * check is about not losing leading or trailing SP and strings that | |
3066 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
3067 | * configuration parser. | |
3068 | */ | |
cdd4fb15 | 3069 | if (value[0] == ' ') |
cb891a59 | 3070 | quote = "\""; |
cdd4fb15 BG |
3071 | for (i = 0; value[i]; i++) |
3072 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
3073 | quote = "\""; |
3074 | if (i && value[i - 1] == ' ') | |
3075 | quote = "\""; | |
3076 | ||
6c7e6963 | 3077 | strbuf_addf(&sb, "\t%s = %s", key + store->baselen + 1, quote); |
10bea152 | 3078 | |
10bea152 JS |
3079 | for (i = 0; value[i]; i++) |
3080 | switch (value[i]) { | |
480c9e52 | 3081 | case '\n': |
cb891a59 | 3082 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
3083 | break; |
3084 | case '\t': | |
cb891a59 | 3085 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
3086 | break; |
3087 | case '"': | |
3088 | case '\\': | |
cb891a59 | 3089 | strbuf_addch(&sb, '\\'); |
1cf01a34 | 3090 | /* fallthrough */ |
480c9e52 | 3091 | default: |
cb891a59 | 3092 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
3093 | break; |
3094 | } | |
cb891a59 KH |
3095 | strbuf_addf(&sb, "%s\n", quote); |
3096 | ||
d9bd4cbb | 3097 | ret = write_in_full(fd, sb.buf, sb.len); |
cb891a59 KH |
3098 | strbuf_release(&sb); |
3099 | ||
d9bd4cbb | 3100 | return ret; |
10bea152 JS |
3101 | } |
3102 | ||
22aedfcc JS |
3103 | /* |
3104 | * If we are about to unset the last key(s) in a section, and if there are | |
3105 | * no comments surrounding (or included in) the section, we will want to | |
3106 | * extend begin/end to remove the entire section. | |
3107 | * | |
3108 | * Note: the parameter `seen_ptr` points to the index into the store.seen | |
3109 | * array. * This index may be incremented if a section has more than one | |
3110 | * entry (which all are to be removed). | |
3111 | */ | |
3112 | static void maybe_remove_section(struct config_store_data *store, | |
22aedfcc JS |
3113 | size_t *begin_offset, size_t *end_offset, |
3114 | int *seen_ptr) | |
4ddba79d | 3115 | { |
22aedfcc JS |
3116 | size_t begin; |
3117 | int i, seen, section_seen = 0; | |
4ddba79d | 3118 | |
22aedfcc JS |
3119 | /* |
3120 | * First, ensure that this is the first key, and that there are no | |
3121 | * comments before the entry nor before the section header. | |
3122 | */ | |
3123 | seen = *seen_ptr; | |
3124 | for (i = store->seen[seen]; i > 0; i--) { | |
3125 | enum config_event_t type = store->parsed[i - 1].type; | |
3126 | ||
3127 | if (type == CONFIG_EVENT_COMMENT) | |
3128 | /* There is a comment before this entry or section */ | |
3129 | return; | |
3130 | if (type == CONFIG_EVENT_ENTRY) { | |
3131 | if (!section_seen) | |
3132 | /* This is not the section's first entry. */ | |
3133 | return; | |
3134 | /* We encountered no comment before the section. */ | |
3135 | break; | |
3136 | } | |
3137 | if (type == CONFIG_EVENT_SECTION) { | |
3138 | if (!store->parsed[i - 1].is_keys_section) | |
3139 | break; | |
3140 | section_seen = 1; | |
4ddba79d | 3141 | } |
7a31cc0f | 3142 | } |
22aedfcc JS |
3143 | begin = store->parsed[i].begin; |
3144 | ||
3145 | /* | |
46a237f4 | 3146 | * Next, make sure that we are removing the last key(s) in the section, |
22aedfcc JS |
3147 | * and that there are no comments that are possibly about the current |
3148 | * section. | |
3149 | */ | |
3150 | for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) { | |
3151 | enum config_event_t type = store->parsed[i].type; | |
4ddba79d | 3152 | |
22aedfcc JS |
3153 | if (type == CONFIG_EVENT_COMMENT) |
3154 | return; | |
3155 | if (type == CONFIG_EVENT_SECTION) { | |
3156 | if (store->parsed[i].is_keys_section) | |
3157 | continue; | |
3158 | break; | |
3159 | } | |
3160 | if (type == CONFIG_EVENT_ENTRY) { | |
3161 | if (++seen < store->seen_nr && | |
3162 | i == store->seen[seen]) | |
3163 | /* We want to remove this entry, too */ | |
3164 | continue; | |
3165 | /* There is another entry in this section. */ | |
3166 | return; | |
3167 | } | |
3168 | } | |
3169 | ||
3170 | /* | |
3171 | * We are really removing the last entry/entries from this section, and | |
3172 | * there are no enclosed or surrounding comments. Remove the entire, | |
3173 | * now-empty section. | |
3174 | */ | |
3175 | *seen_ptr = seen; | |
3176 | *begin_offset = begin; | |
3177 | if (i < store->parsed_nr) | |
3178 | *end_offset = store->parsed[i].begin; | |
3179 | else | |
3180 | *end_offset = store->parsed[store->parsed_nr - 1].end; | |
4ddba79d JS |
3181 | } |
3182 | ||
30598ad0 PS |
3183 | int git_config_set_in_file_gently(const char *config_filename, |
3184 | const char *key, const char *value) | |
5ec31182 | 3185 | { |
30598ad0 | 3186 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
3187 | } |
3188 | ||
3d180648 PS |
3189 | void git_config_set_in_file(const char *config_filename, |
3190 | const char *key, const char *value) | |
10bea152 | 3191 | { |
3d180648 | 3192 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
3193 | } |
3194 | ||
30598ad0 | 3195 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 3196 | { |
30598ad0 | 3197 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
3198 | } |
3199 | ||
fe187339 DS |
3200 | int repo_config_set_worktree_gently(struct repository *r, |
3201 | const char *key, const char *value) | |
3202 | { | |
b39a8418 | 3203 | /* Only use worktree-specific config if it is already enabled. */ |
fe187339 DS |
3204 | if (repository_format_worktree_config) { |
3205 | char *file = repo_git_path(r, "config.worktree"); | |
3206 | int ret = git_config_set_multivar_in_file_gently( | |
3207 | file, key, value, NULL, 0); | |
3208 | free(file); | |
3209 | return ret; | |
3210 | } | |
3211 | return repo_config_set_multivar_gently(r, key, value, NULL, 0); | |
3212 | } | |
3213 | ||
3d180648 | 3214 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 3215 | { |
3d180648 | 3216 | git_config_set_multivar(key, value, NULL, 0); |
ee4512ed JH |
3217 | |
3218 | trace2_cmd_set_config(key, value); | |
10bea152 JS |
3219 | } |
3220 | ||
3221 | /* | |
3222 | * If value==NULL, unset in (remove from) config, | |
247e2f82 DS |
3223 | * if value_pattern!=NULL, disregard key/value pairs where value does not match. |
3224 | * if value_pattern==CONFIG_REGEX_NONE, do not match any existing values | |
c1063be2 | 3225 | * (only add a new one) |
504ee129 DS |
3226 | * if flags contains the CONFIG_FLAGS_MULTI_REPLACE flag, all matching |
3227 | * key/values are removed before a single new pair is written. If the | |
3228 | * flag is not present, then replace only the first match. | |
10bea152 JS |
3229 | * |
3230 | * Returns 0 on success. | |
3231 | * | |
3232 | * This function does this: | |
3233 | * | |
3234 | * - it locks the config file by creating ".git/config.lock" | |
3235 | * | |
3236 | * - it then parses the config using store_aux() as validator to find | |
3237 | * the position on the key/value pair to replace. If it is to be unset, | |
3238 | * it must be found exactly once. | |
3239 | * | |
3240 | * - the config file is mmap()ed and the part before the match (if any) is | |
3241 | * written to the lock file, then the changed part and the rest. | |
3242 | * | |
3243 | * - the config file is removed and the lock file rename()d to it. | |
3244 | * | |
3245 | */ | |
30598ad0 PS |
3246 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
3247 | const char *key, const char *value, | |
247e2f82 | 3248 | const char *value_pattern, |
504ee129 | 3249 | unsigned flags) |
10bea152 | 3250 | { |
54d160ec | 3251 | int fd = -1, in_fd = -1; |
dafc88b1 | 3252 | int ret; |
bfffb48c | 3253 | struct lock_file lock = LOCK_INIT; |
0a5f5759 | 3254 | char *filename_buf = NULL; |
3a1b3126 JK |
3255 | char *contents = NULL; |
3256 | size_t contents_sz; | |
fee8572c JS |
3257 | struct config_store_data store; |
3258 | ||
3259 | memset(&store, 0, sizeof(store)); | |
4ddba79d | 3260 | |
b09c53a3 LP |
3261 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
3262 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
3263 | if (ret) | |
dafc88b1 | 3264 | goto out_free; |
b17e659d | 3265 | |
504ee129 | 3266 | store.multi_replace = (flags & CONFIG_FLAGS_MULTI_REPLACE) != 0; |
10bea152 | 3267 | |
0a5f5759 JK |
3268 | if (!config_filename) |
3269 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
3270 | |
3271 | /* | |
6cbf973c | 3272 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
3273 | * contents of .git/config will be written into it. |
3274 | */ | |
bfffb48c | 3275 | fd = hold_lock_file_for_update(&lock, config_filename, 0); |
6cbf973c | 3276 | if (fd < 0) { |
a769bfc7 | 3277 | error_errno(_("could not lock config file %s"), config_filename); |
7a397419 | 3278 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 3279 | goto out_free; |
10bea152 JS |
3280 | } |
3281 | ||
3282 | /* | |
3283 | * If .git/config does not exist yet, write a minimal version. | |
3284 | */ | |
88fb958b AR |
3285 | in_fd = open(config_filename, O_RDONLY); |
3286 | if ( in_fd < 0 ) { | |
88fb958b | 3287 | if ( ENOENT != errno ) { |
a769bfc7 | 3288 | error_errno(_("opening %s"), config_filename); |
7a397419 | 3289 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 3290 | goto out_free; |
88fb958b | 3291 | } |
10bea152 | 3292 | /* if nothing to unset, error out */ |
afe8a907 | 3293 | if (!value) { |
7a397419 | 3294 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 3295 | goto out_free; |
10bea152 JS |
3296 | } |
3297 | ||
e7347cb9 MÅ |
3298 | free(store.key); |
3299 | store.key = xstrdup(key); | |
fee8572c JS |
3300 | if (write_section(fd, key, &store) < 0 || |
3301 | write_pair(fd, key, value, &store) < 0) | |
93c1e079 JH |
3302 | goto write_err_out; |
3303 | } else { | |
88fb958b | 3304 | struct stat st; |
3a1b3126 | 3305 | size_t copy_begin, copy_end; |
dc49cd76 | 3306 | int i, new_line = 0; |
6ae996f2 | 3307 | struct config_options opts; |
10bea152 | 3308 | |
afe8a907 | 3309 | if (!value_pattern) |
247e2f82 DS |
3310 | store.value_pattern = NULL; |
3311 | else if (value_pattern == CONFIG_REGEX_NONE) | |
3312 | store.value_pattern = CONFIG_REGEX_NONE; | |
c90702a1 DS |
3313 | else if (flags & CONFIG_FLAGS_FIXED_VALUE) |
3314 | store.fixed_value = value_pattern; | |
10bea152 | 3315 | else { |
247e2f82 | 3316 | if (value_pattern[0] == '!') { |
f98d863d | 3317 | store.do_not_match = 1; |
247e2f82 | 3318 | value_pattern++; |
f98d863d JS |
3319 | } else |
3320 | store.do_not_match = 0; | |
3321 | ||
247e2f82 DS |
3322 | store.value_pattern = (regex_t*)xmalloc(sizeof(regex_t)); |
3323 | if (regcomp(store.value_pattern, value_pattern, | |
10bea152 | 3324 | REG_EXTENDED)) { |
247e2f82 DS |
3325 | error(_("invalid pattern: %s"), value_pattern); |
3326 | FREE_AND_NULL(store.value_pattern); | |
7a397419 | 3327 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 3328 | goto out_free; |
10bea152 JS |
3329 | } |
3330 | } | |
3331 | ||
6ae996f2 JS |
3332 | ALLOC_GROW(store.parsed, 1, store.parsed_alloc); |
3333 | store.parsed[0].end = 0; | |
3334 | ||
3335 | memset(&opts, 0, sizeof(opts)); | |
3336 | opts.event_fn = store_aux_event; | |
3337 | opts.event_fn_data = &store; | |
10bea152 JS |
3338 | |
3339 | /* | |
6ae996f2 JS |
3340 | * After this, store.parsed will contain offsets of all the |
3341 | * parsed elements, and store.seen will contain a list of | |
3342 | * matches, as indices into store.parsed. | |
3343 | * | |
10bea152 JS |
3344 | * As a side effect, we make sure to transform only a valid |
3345 | * existing config file. | |
3346 | */ | |
6ae996f2 JS |
3347 | if (git_config_from_file_with_options(store_aux, |
3348 | config_filename, | |
3349 | &store, &opts)) { | |
a769bfc7 | 3350 | error(_("invalid config file %s"), config_filename); |
7a397419 | 3351 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 3352 | goto out_free; |
10bea152 JS |
3353 | } |
3354 | ||
4ddba79d | 3355 | /* if nothing to unset, or too many matches, error out */ |
668b9ade | 3356 | if ((store.seen_nr == 0 && value == NULL) || |
504ee129 | 3357 | (store.seen_nr > 1 && !store.multi_replace)) { |
7a397419 | 3358 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 3359 | goto out_free; |
10bea152 JS |
3360 | } |
3361 | ||
29647d79 NTND |
3362 | if (fstat(in_fd, &st) == -1) { |
3363 | error_errno(_("fstat on %s failed"), config_filename); | |
3364 | ret = CONFIG_INVALID_FILE; | |
3365 | goto out_free; | |
3366 | } | |
3367 | ||
dc49cd76 | 3368 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
3369 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
3370 | MAP_PRIVATE, in_fd, 0); | |
3371 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
3372 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
3373 | errno = EISDIR; | |
dc059294 EW |
3374 | error_errno(_("unable to mmap '%s'%s"), |
3375 | config_filename, mmap_os_err()); | |
1570856b JK |
3376 | ret = CONFIG_INVALID_FILE; |
3377 | contents = NULL; | |
3378 | goto out_free; | |
3379 | } | |
10bea152 | 3380 | close(in_fd); |
54d160ec | 3381 | in_fd = -1; |
10bea152 | 3382 | |
bfffb48c | 3383 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 3384 | error_errno(_("chmod on %s failed"), get_lock_file_path(&lock)); |
daa22c6f EW |
3385 | ret = CONFIG_NO_WRITE; |
3386 | goto out_free; | |
3387 | } | |
3388 | ||
6ae996f2 JS |
3389 | if (store.seen_nr == 0) { |
3390 | if (!store.seen_alloc) { | |
3391 | /* Did not see key nor section */ | |
3392 | ALLOC_GROW(store.seen, 1, store.seen_alloc); | |
3393 | store.seen[0] = store.parsed_nr | |
3394 | - !!store.parsed_nr; | |
3395 | } | |
668b9ade | 3396 | store.seen_nr = 1; |
6ae996f2 | 3397 | } |
4ddba79d | 3398 | |
668b9ade | 3399 | for (i = 0, copy_begin = 0; i < store.seen_nr; i++) { |
6ae996f2 JS |
3400 | size_t replace_end; |
3401 | int j = store.seen[i]; | |
3402 | ||
46fc89ce | 3403 | new_line = 0; |
6ae996f2 | 3404 | if (!store.key_seen) { |
c71d8bb3 JS |
3405 | copy_end = store.parsed[j].end; |
3406 | /* include '\n' when copying section header */ | |
3407 | if (copy_end > 0 && copy_end < contents_sz && | |
3408 | contents[copy_end - 1] != '\n' && | |
3409 | contents[copy_end] == '\n') | |
3410 | copy_end++; | |
3411 | replace_end = copy_end; | |
6ae996f2 JS |
3412 | } else { |
3413 | replace_end = store.parsed[j].end; | |
3414 | copy_end = store.parsed[j].begin; | |
22aedfcc | 3415 | if (!value) |
a263ea84 | 3416 | maybe_remove_section(&store, |
22aedfcc JS |
3417 | ©_end, |
3418 | &replace_end, &i); | |
6ae996f2 JS |
3419 | /* |
3420 | * Swallow preceding white-space on the same | |
3421 | * line. | |
3422 | */ | |
3423 | while (copy_end > 0 ) { | |
3424 | char c = contents[copy_end - 1]; | |
3425 | ||
3426 | if (isspace(c) && c != '\n') | |
3427 | copy_end--; | |
3428 | else | |
3429 | break; | |
3430 | } | |
3431 | } | |
4ddba79d | 3432 | |
02e5ba4a JK |
3433 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
3434 | new_line = 1; | |
3435 | ||
4ddba79d JS |
3436 | /* write the first part of the config */ |
3437 | if (copy_end > copy_begin) { | |
93c1e079 | 3438 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 3439 | copy_end - copy_begin) < 0) |
93c1e079 JH |
3440 | goto write_err_out; |
3441 | if (new_line && | |
06f46f23 | 3442 | write_str_in_full(fd, "\n") < 0) |
93c1e079 | 3443 | goto write_err_out; |
4ddba79d | 3444 | } |
6ae996f2 | 3445 | copy_begin = replace_end; |
10bea152 JS |
3446 | } |
3447 | ||
10bea152 | 3448 | /* write the pair (value == NULL means unset) */ |
afe8a907 | 3449 | if (value) { |
5221c315 | 3450 | if (!store.section_seen) { |
fee8572c | 3451 | if (write_section(fd, key, &store) < 0) |
93c1e079 | 3452 | goto write_err_out; |
480c9e52 | 3453 | } |
fee8572c | 3454 | if (write_pair(fd, key, value, &store) < 0) |
93c1e079 | 3455 | goto write_err_out; |
10bea152 JS |
3456 | } |
3457 | ||
3458 | /* write the rest of the config */ | |
dc49cd76 | 3459 | if (copy_begin < contents_sz) |
93c1e079 | 3460 | if (write_in_full(fd, contents + copy_begin, |
efacf609 | 3461 | contents_sz - copy_begin) < 0) |
93c1e079 | 3462 | goto write_err_out; |
7a64592c KB |
3463 | |
3464 | munmap(contents, contents_sz); | |
3465 | contents = NULL; | |
10bea152 JS |
3466 | } |
3467 | ||
bfffb48c | 3468 | if (commit_lock_file(&lock) < 0) { |
a769bfc7 | 3469 | error_errno(_("could not write config file %s"), config_filename); |
7a397419 | 3470 | ret = CONFIG_NO_WRITE; |
dafc88b1 | 3471 | goto out_free; |
10bea152 JS |
3472 | } |
3473 | ||
dafc88b1 SH |
3474 | ret = 0; |
3475 | ||
3c8687a7 TA |
3476 | /* Invalidate the config cache */ |
3477 | git_config_clear(); | |
3478 | ||
dafc88b1 | 3479 | out_free: |
bfffb48c | 3480 | rollback_lock_file(&lock); |
0a5f5759 | 3481 | free(filename_buf); |
3a1b3126 JK |
3482 | if (contents) |
3483 | munmap(contents, contents_sz); | |
54d160ec SS |
3484 | if (in_fd >= 0) |
3485 | close(in_fd); | |
2a00e594 | 3486 | config_store_data_clear(&store); |
dafc88b1 | 3487 | return ret; |
93c1e079 JH |
3488 | |
3489 | write_err_out: | |
bfffb48c | 3490 | ret = write_error(get_lock_file_path(&lock)); |
93c1e079 JH |
3491 | goto out_free; |
3492 | ||
10bea152 JS |
3493 | } |
3494 | ||
3d180648 PS |
3495 | void git_config_set_multivar_in_file(const char *config_filename, |
3496 | const char *key, const char *value, | |
247e2f82 | 3497 | const char *value_pattern, unsigned flags) |
b4c8aba6 | 3498 | { |
1cae428e | 3499 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
247e2f82 | 3500 | value_pattern, flags)) |
1cae428e JK |
3501 | return; |
3502 | if (value) | |
8c3ca351 | 3503 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
3504 | else |
3505 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
3506 | } |
3507 | ||
30598ad0 | 3508 | int git_config_set_multivar_gently(const char *key, const char *value, |
247e2f82 | 3509 | const char *value_pattern, unsigned flags) |
5ec31182 | 3510 | { |
fe187339 DS |
3511 | return repo_config_set_multivar_gently(the_repository, key, value, |
3512 | value_pattern, flags); | |
3513 | } | |
3514 | ||
3515 | int repo_config_set_multivar_gently(struct repository *r, const char *key, | |
3516 | const char *value, | |
3517 | const char *value_pattern, unsigned flags) | |
3518 | { | |
3519 | char *file = repo_git_path(r, "config"); | |
3520 | int res = git_config_set_multivar_in_file_gently(file, | |
3521 | key, value, | |
3522 | value_pattern, | |
3523 | flags); | |
3524 | free(file); | |
3525 | return res; | |
5ec31182 RR |
3526 | } |
3527 | ||
3d180648 | 3528 | void git_config_set_multivar(const char *key, const char *value, |
247e2f82 | 3529 | const char *value_pattern, unsigned flags) |
5ec31182 | 3530 | { |
fe187339 DS |
3531 | git_config_set_multivar_in_file(git_path("config"), |
3532 | key, value, value_pattern, | |
504ee129 | 3533 | flags); |
5ec31182 RR |
3534 | } |
3535 | ||
118f8b24 PB |
3536 | static int section_name_match (const char *buf, const char *name) |
3537 | { | |
3538 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
3539 | if (buf[i] != '[') |
3540 | return 0; | |
3541 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
3542 | if (!dot && isspace(buf[i])) { |
3543 | dot = 1; | |
3544 | if (name[j++] != '.') | |
3545 | break; | |
3546 | for (i++; isspace(buf[i]); i++) | |
3547 | ; /* do nothing */ | |
3548 | if (buf[i] != '"') | |
3549 | break; | |
3550 | continue; | |
3551 | } | |
3552 | if (buf[i] == '\\' && dot) | |
3553 | i++; | |
3554 | else if (buf[i] == '"' && dot) { | |
3555 | for (i++; isspace(buf[i]); i++) | |
3556 | ; /* do_nothing */ | |
3557 | break; | |
3558 | } | |
3559 | if (buf[i] != name[j++]) | |
3560 | break; | |
3561 | } | |
a4c0d463 AV |
3562 | if (buf[i] == ']' && name[j] == 0) { |
3563 | /* | |
3564 | * We match, now just find the right length offset by | |
3565 | * gobbling up any whitespace after it, as well | |
3566 | */ | |
3567 | i++; | |
3568 | for (; buf[i] && isspace(buf[i]); i++) | |
3569 | ; /* do nothing */ | |
3570 | return i; | |
3571 | } | |
3572 | return 0; | |
118f8b24 PB |
3573 | } |
3574 | ||
94a35b1a JK |
3575 | static int section_name_is_ok(const char *name) |
3576 | { | |
3577 | /* Empty section names are bogus. */ | |
3578 | if (!*name) | |
3579 | return 0; | |
3580 | ||
3581 | /* | |
3582 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
3583 | * anything goes, so we can stop checking. | |
3584 | */ | |
3585 | for (; *name && *name != '.'; name++) | |
3586 | if (*name != '-' && !isalnum(*name)) | |
3587 | return 0; | |
3588 | return 1; | |
3589 | } | |
3590 | ||
118f8b24 | 3591 | /* if new_name == NULL, the section is removed instead */ |
52d59cc6 | 3592 | static int git_config_copy_or_rename_section_in_file(const char *config_filename, |
fee8572c JS |
3593 | const char *old_name, |
3594 | const char *new_name, int copy) | |
0667fcfb | 3595 | { |
118f8b24 | 3596 | int ret = 0, remove = 0; |
42bd39b5 | 3597 | char *filename_buf = NULL; |
837e34eb | 3598 | struct lock_file lock = LOCK_INIT; |
0667fcfb JS |
3599 | int out_fd; |
3600 | char buf[1024]; | |
4db7dbdb | 3601 | FILE *config_file = NULL; |
daa22c6f | 3602 | struct stat st; |
52d59cc6 | 3603 | struct strbuf copystr = STRBUF_INIT; |
fee8572c JS |
3604 | struct config_store_data store; |
3605 | ||
3606 | memset(&store, 0, sizeof(store)); | |
0667fcfb | 3607 | |
94a35b1a | 3608 | if (new_name && !section_name_is_ok(new_name)) { |
a769bfc7 | 3609 | ret = error(_("invalid section name: %s"), new_name); |
c06fa62d | 3610 | goto out_no_rollback; |
94a35b1a JK |
3611 | } |
3612 | ||
42bd39b5 JK |
3613 | if (!config_filename) |
3614 | config_filename = filename_buf = git_pathdup("config"); | |
3615 | ||
837e34eb | 3616 | out_fd = hold_lock_file_for_update(&lock, config_filename, 0); |
fc1905bb | 3617 | if (out_fd < 0) { |
a769bfc7 | 3618 | ret = error(_("could not lock config file %s"), config_filename); |
fc1905bb JH |
3619 | goto out; |
3620 | } | |
0667fcfb | 3621 | |
fc1905bb | 3622 | if (!(config_file = fopen(config_filename, "rb"))) { |
11dc1fcb NTND |
3623 | ret = warn_on_fopen_errors(config_filename); |
3624 | if (ret) | |
3625 | goto out; | |
01ebb9dc | 3626 | /* no config file means nothing to rename, no error */ |
6e45b43f | 3627 | goto commit_and_out; |
fc1905bb | 3628 | } |
0667fcfb | 3629 | |
29647d79 NTND |
3630 | if (fstat(fileno(config_file), &st) == -1) { |
3631 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
3632 | goto out; | |
3633 | } | |
daa22c6f | 3634 | |
837e34eb | 3635 | if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) { |
a769bfc7 | 3636 | ret = error_errno(_("chmod on %s failed"), |
837e34eb | 3637 | get_lock_file_path(&lock)); |
daa22c6f EW |
3638 | goto out; |
3639 | } | |
3640 | ||
0667fcfb | 3641 | while (fgets(buf, sizeof(buf), config_file)) { |
aec0bba1 | 3642 | unsigned i; |
480c9e52 | 3643 | int length; |
52d59cc6 | 3644 | int is_section = 0; |
9a5abfc7 | 3645 | char *output = buf; |
0667fcfb JS |
3646 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
3647 | ; /* do nothing */ | |
3648 | if (buf[i] == '[') { | |
3649 | /* it's a section */ | |
52d59cc6 SD |
3650 | int offset; |
3651 | is_section = 1; | |
3652 | ||
3653 | /* | |
3654 | * When encountering a new section under -c we | |
3655 | * need to flush out any section we're already | |
3656 | * coping and begin anew. There might be | |
3657 | * multiple [branch "$name"] sections. | |
3658 | */ | |
3659 | if (copystr.len > 0) { | |
c5e3bc6e | 3660 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3661 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3662 | goto out; |
3663 | } | |
3664 | strbuf_reset(©str); | |
3665 | } | |
3666 | ||
3667 | offset = section_name_match(&buf[i], old_name); | |
a4c0d463 | 3668 | if (offset > 0) { |
118f8b24 | 3669 | ret++; |
afe8a907 | 3670 | if (!new_name) { |
118f8b24 | 3671 | remove = 1; |
0667fcfb JS |
3672 | continue; |
3673 | } | |
0667fcfb | 3674 | store.baselen = strlen(new_name); |
52d59cc6 | 3675 | if (!copy) { |
fee8572c | 3676 | if (write_section(out_fd, new_name, &store) < 0) { |
0b646bca | 3677 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3678 | goto out; |
3679 | } | |
9a5abfc7 | 3680 | /* |
52d59cc6 SD |
3681 | * We wrote out the new section, with |
3682 | * a newline, now skip the old | |
3683 | * section's length | |
9a5abfc7 | 3684 | */ |
52d59cc6 SD |
3685 | output += offset + i; |
3686 | if (strlen(output) > 0) { | |
3687 | /* | |
3688 | * More content means there's | |
3689 | * a declaration to put on the | |
3690 | * next line; indent with a | |
3691 | * tab | |
3692 | */ | |
3693 | output -= 1; | |
3694 | output[0] = '\t'; | |
3695 | } | |
3696 | } else { | |
fee8572c | 3697 | copystr = store_create_section(new_name, &store); |
9a5abfc7 | 3698 | } |
0667fcfb | 3699 | } |
118f8b24 | 3700 | remove = 0; |
0667fcfb | 3701 | } |
118f8b24 PB |
3702 | if (remove) |
3703 | continue; | |
9a5abfc7 | 3704 | length = strlen(output); |
52d59cc6 SD |
3705 | |
3706 | if (!is_section && copystr.len > 0) { | |
3707 | strbuf_add(©str, output, length); | |
3708 | } | |
3709 | ||
06f46f23 | 3710 | if (write_in_full(out_fd, output, length) < 0) { |
837e34eb | 3711 | ret = write_error(get_lock_file_path(&lock)); |
480c9e52 AW |
3712 | goto out; |
3713 | } | |
0667fcfb | 3714 | } |
52d59cc6 SD |
3715 | |
3716 | /* | |
3717 | * Copy a trailing section at the end of the config, won't be | |
3718 | * flushed by the usual "flush because we have a new section | |
3719 | * logic in the loop above. | |
3720 | */ | |
3721 | if (copystr.len > 0) { | |
c5e3bc6e | 3722 | if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) { |
0b646bca | 3723 | ret = write_error(get_lock_file_path(&lock)); |
52d59cc6 SD |
3724 | goto out; |
3725 | } | |
3726 | strbuf_reset(©str); | |
3727 | } | |
3728 | ||
fc1905bb | 3729 | fclose(config_file); |
4db7dbdb | 3730 | config_file = NULL; |
6e45b43f | 3731 | commit_and_out: |
837e34eb | 3732 | if (commit_lock_file(&lock) < 0) |
a769bfc7 | 3733 | ret = error_errno(_("could not write config file %s"), |
f0658ec9 | 3734 | config_filename); |
8b590075 | 3735 | out: |
4db7dbdb JS |
3736 | if (config_file) |
3737 | fclose(config_file); | |
837e34eb | 3738 | rollback_lock_file(&lock); |
c06fa62d | 3739 | out_no_rollback: |
42bd39b5 | 3740 | free(filename_buf); |
2a00e594 | 3741 | config_store_data_clear(&store); |
0667fcfb JS |
3742 | return ret; |
3743 | } | |
40ea4ed9 | 3744 | |
52d59cc6 SD |
3745 | int git_config_rename_section_in_file(const char *config_filename, |
3746 | const char *old_name, const char *new_name) | |
3747 | { | |
3748 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3749 | old_name, new_name, 0); | |
3750 | } | |
3751 | ||
42bd39b5 JK |
3752 | int git_config_rename_section(const char *old_name, const char *new_name) |
3753 | { | |
4a7bb5ba | 3754 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
3755 | } |
3756 | ||
52d59cc6 SD |
3757 | int git_config_copy_section_in_file(const char *config_filename, |
3758 | const char *old_name, const char *new_name) | |
3759 | { | |
3760 | return git_config_copy_or_rename_section_in_file(config_filename, | |
3761 | old_name, new_name, 1); | |
3762 | } | |
3763 | ||
3764 | int git_config_copy_section(const char *old_name, const char *new_name) | |
3765 | { | |
3766 | return git_config_copy_section_in_file(NULL, old_name, new_name); | |
3767 | } | |
3768 | ||
40ea4ed9 JH |
3769 | /* |
3770 | * Call this to report error for your variable that should not | |
3771 | * get a boolean value (i.e. "[my] var" means "true"). | |
3772 | */ | |
a469a101 | 3773 | #undef config_error_nonbool |
40ea4ed9 JH |
3774 | int config_error_nonbool(const char *var) |
3775 | { | |
a769bfc7 | 3776 | return error(_("missing value for '%s'"), var); |
40ea4ed9 | 3777 | } |
1b86bbb0 JK |
3778 | |
3779 | int parse_config_key(const char *var, | |
3780 | const char *section, | |
f5914f4b | 3781 | const char **subsection, size_t *subsection_len, |
1b86bbb0 JK |
3782 | const char **key) |
3783 | { | |
1b86bbb0 JK |
3784 | const char *dot; |
3785 | ||
3786 | /* Does it start with "section." ? */ | |
e3394fdc | 3787 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
3788 | return -1; |
3789 | ||
3790 | /* | |
3791 | * Find the key; we don't know yet if we have a subsection, but we must | |
3792 | * parse backwards from the end, since the subsection may have dots in | |
3793 | * it, too. | |
3794 | */ | |
3795 | dot = strrchr(var, '.'); | |
3796 | *key = dot + 1; | |
3797 | ||
3798 | /* Did we have a subsection at all? */ | |
e3394fdc | 3799 | if (dot == var) { |
48f8d9f7 JK |
3800 | if (subsection) { |
3801 | *subsection = NULL; | |
3802 | *subsection_len = 0; | |
3803 | } | |
1b86bbb0 JK |
3804 | } |
3805 | else { | |
48f8d9f7 JK |
3806 | if (!subsection) |
3807 | return -1; | |
e3394fdc | 3808 | *subsection = var + 1; |
1b86bbb0 JK |
3809 | *subsection_len = dot - *subsection; |
3810 | } | |
3811 | ||
3812 | return 0; | |
3813 | } | |
473166b9 LS |
3814 | |
3815 | const char *current_config_origin_type(void) | |
3816 | { | |
1b8132d9 | 3817 | int type; |
0d44a2da JK |
3818 | if (current_config_kvi) |
3819 | type = current_config_kvi->origin_type; | |
0c602851 GC |
3820 | else if(the_reader.source) |
3821 | type = the_reader.source->origin_type; | |
0d44a2da | 3822 | else |
033abf97 | 3823 | BUG("current_config_origin_type called outside config callback"); |
1b8132d9 VA |
3824 | |
3825 | switch (type) { | |
3826 | case CONFIG_ORIGIN_BLOB: | |
3827 | return "blob"; | |
3828 | case CONFIG_ORIGIN_FILE: | |
3829 | return "file"; | |
3830 | case CONFIG_ORIGIN_STDIN: | |
3831 | return "standard input"; | |
3832 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
3833 | return "submodule-blob"; | |
3834 | case CONFIG_ORIGIN_CMDLINE: | |
3835 | return "command line"; | |
3836 | default: | |
033abf97 | 3837 | BUG("unknown config origin type"); |
1b8132d9 | 3838 | } |
473166b9 LS |
3839 | } |
3840 | ||
a5cb4204 MR |
3841 | const char *config_scope_name(enum config_scope scope) |
3842 | { | |
3843 | switch (scope) { | |
3844 | case CONFIG_SCOPE_SYSTEM: | |
3845 | return "system"; | |
3846 | case CONFIG_SCOPE_GLOBAL: | |
3847 | return "global"; | |
6dc905d9 MR |
3848 | case CONFIG_SCOPE_LOCAL: |
3849 | return "local"; | |
3850 | case CONFIG_SCOPE_WORKTREE: | |
3851 | return "worktree"; | |
6766e41b MR |
3852 | case CONFIG_SCOPE_COMMAND: |
3853 | return "command"; | |
9a83d088 MR |
3854 | case CONFIG_SCOPE_SUBMODULE: |
3855 | return "submodule"; | |
a5cb4204 MR |
3856 | default: |
3857 | return "unknown"; | |
3858 | } | |
3859 | } | |
3860 | ||
473166b9 LS |
3861 | const char *current_config_name(void) |
3862 | { | |
0d44a2da JK |
3863 | const char *name; |
3864 | if (current_config_kvi) | |
3865 | name = current_config_kvi->filename; | |
0c602851 GC |
3866 | else if (the_reader.source) |
3867 | name = the_reader.source->name; | |
0d44a2da | 3868 | else |
033abf97 | 3869 | BUG("current_config_name called outside config callback"); |
0d44a2da | 3870 | return name ? name : ""; |
473166b9 | 3871 | } |
9acc5911 JK |
3872 | |
3873 | enum config_scope current_config_scope(void) | |
3874 | { | |
3875 | if (current_config_kvi) | |
3876 | return current_config_kvi->scope; | |
3877 | else | |
3878 | return current_parsing_scope; | |
473166b9 | 3879 | } |
a73b3680 | 3880 | |
f2a2327a BW |
3881 | int current_config_line(void) |
3882 | { | |
3883 | if (current_config_kvi) | |
3884 | return current_config_kvi->linenr; | |
3885 | else | |
0c602851 | 3886 | return the_reader.source->linenr; |
f2a2327a BW |
3887 | } |
3888 | ||
a73b3680 NTND |
3889 | int lookup_config(const char **mapping, int nr_mapping, const char *var) |
3890 | { | |
3891 | int i; | |
3892 | ||
3893 | for (i = 0; i < nr_mapping; i++) { | |
3894 | const char *name = mapping[i]; | |
3895 | ||
3896 | if (name && !strcasecmp(var, name)) | |
3897 | return i; | |
3898 | } | |
3899 | return -1; | |
3900 | } |