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chromium / external / github.com / git / git / refs/tags/v2.14.2 / . / config.c
blob: acebc85d81372f15d3d490d84dc751f59bde26c4 [file] [log] [blame]
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]1/*
2 * GIT - The information manager from hell
3 *
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Johannes Schindelin, 2005
6 *
7 */
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]8#include "cache.h"
Brandon Williamsb2141fc2017-06-14 18:07:36[diff] [blame]9#include "config.h"
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]10#include "repository.h"
Michael Haggerty697cc8e2014-10-01 10:28:42[diff] [blame]11#include "lockfile.h"
Johannes Sixt7f0e39f2007-11-13 20:05:06[diff] [blame]12#include "exec_cmd.h"
Alex Riesen572e4f62010-03-26 22:56:01[diff] [blame]13#include "strbuf.h"
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]14#include "quote.h"
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]15#include "hashmap.h"
16#include "string-list.h"
Junio C Hamano599446d2015-04-16 17:47:45[diff] [blame]17#include "utf8.h"
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]18#include "dir.h"
Jeff King136c8c82017-07-13 15:07:03[diff] [blame]19#include "color.h"
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]20
Heiko Voigt4d8dd142013-07-11 22:44:39[diff] [blame]21struct config_source {
22 struct config_source *prev;
23 union {
24 FILE *file;
Heiko Voigt1bc88812013-07-11 22:46:47[diff] [blame]25 struct config_buf {
26 const char *buf;
27 size_t len;
28 size_t pos;
29 } buf;
Heiko Voigt4d8dd142013-07-11 22:44:39[diff] [blame]30 } u;
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]31 enum config_origin_type origin_type;
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]32 const char *name;
Jeff Kingd14d4242014-02-18 22:58:52[diff] [blame]33 const char *path;
Heiko Voigtb2dc0942013-07-11 22:48:30[diff] [blame]34 int die_on_error;
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]35 int linenr;
36 int eof;
37 struct strbuf value;
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]38 struct strbuf var;
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]39
Jeff King49d6cfa2013-08-26 21:57:18[diff] [blame]40 int (*do_fgetc)(struct config_source *c);
41 int (*do_ungetc)(int c, struct config_source *conf);
42 long (*do_ftell)(struct config_source *c);
Heiko Voigt4d8dd142013-07-11 22:44:39[diff] [blame]43};
44
Jeff King0d44a2d2016-05-27 00:32:23[diff] [blame]45/*
46 * These variables record the "current" config source, which
47 * can be accessed by parsing callbacks.
48 *
49 * The "cf" variable will be non-NULL only when we are actually parsing a real
50 * config source (file, blob, cmdline, etc).
51 *
52 * The "current_config_kvi" variable will be non-NULL only when we are feeding
53 * cached config from a configset into a callback.
54 *
55 * They should generally never be non-NULL at the same time. If they are both
56 * NULL, then we aren't parsing anything (and depending on the function looking
57 * at the variables, it's either a bug for it to be called in the first place,
58 * or it's a function which can be reused for non-config purposes, and should
59 * fall back to some sane behavior).
60 */
Heiko Voigt4d8dd142013-07-11 22:44:39[diff] [blame]61static struct config_source *cf;
Jeff King0d44a2d2016-05-27 00:32:23[diff] [blame]62static struct key_value_info *current_config_kvi;
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]63
Jeff King9acc5912016-05-18 22:44:23[diff] [blame]64/*
65 * Similar to the variables above, this gives access to the "scope" of the
66 * current value (repo, global, etc). For cached values, it can be found via
67 * the current_config_kvi as above. During parsing, the current value can be
68 * found in this variable. It's not part of "cf" because it transcends a single
69 * file (i.e., a file included from .git/config is still in "repo" scope).
70 */
71static enum config_scope current_parsing_scope;
Jeff King02e5ba42008-01-01 06:17:34[diff] [blame]72
Junio C Hamano8de7eeb2016-11-16 01:42:40[diff] [blame]73static int core_compression_seen;
74static int pack_compression_seen;
Dana How960ccca2007-05-09 20:56:50[diff] [blame]75static int zlib_compression_seen;
76
Heiko Voigt4d8dd142013-07-11 22:44:39[diff] [blame]77static int config_file_fgetc(struct config_source *conf)
78{
Jeff King260d4082015-04-16 08:51:18[diff] [blame]79 return getc_unlocked(conf->u.file);
Heiko Voigt4d8dd142013-07-11 22:44:39[diff] [blame]80}
81
82static int config_file_ungetc(int c, struct config_source *conf)
83{
84 return ungetc(c, conf->u.file);
85}
86
87static long config_file_ftell(struct config_source *conf)
88{
89 return ftell(conf->u.file);
90}
91
Heiko Voigt1bc88812013-07-11 22:46:47[diff] [blame]92
93static int config_buf_fgetc(struct config_source *conf)
94{
95 if (conf->u.buf.pos < conf->u.buf.len)
96 return conf->u.buf.buf[conf->u.buf.pos++];
97
98 return EOF;
99}
100
101static int config_buf_ungetc(int c, struct config_source *conf)
102{
Jeff King1d0655c2015-02-05 21:00:24[diff] [blame]103 if (conf->u.buf.pos > 0) {
104 conf->u.buf.pos--;
105 if (conf->u.buf.buf[conf->u.buf.pos] != c)
106 die("BUG: config_buf can only ungetc the same character");
107 return c;
108 }
Heiko Voigt1bc88812013-07-11 22:46:47[diff] [blame]109
110 return EOF;
111}
112
113static long config_buf_ftell(struct config_source *conf)
114{
115 return conf->u.buf.pos;
116}
117
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]118#define MAX_INCLUDE_DEPTH 10
119static const char include_depth_advice[] =
120"exceeded maximum include depth (%d) while including\n"
121" %s\n"
122"from\n"
123" %s\n"
124"Do you have circular includes?";
125static int handle_path_include(const char *path, struct config_include_data *inc)
126{
127 int ret = 0;
128 struct strbuf buf = STRBUF_INIT;
Jeff King67beb602014-01-28 01:37:30[diff] [blame]129 char *expanded;
Jeff King4c0a89f2012-04-25 12:00:36[diff] [blame]130
Jeff King67beb602014-01-28 01:37:30[diff] [blame]131 if (!path)
132 return config_error_nonbool("include.path");
133
Nguyễn Thái Ngọc Duy4aad2f12017-04-05 10:24:38[diff] [blame]134 expanded = expand_user_path(path, 0);
Jeff King4c0a89f2012-04-25 12:00:36[diff] [blame]135 if (!expanded)
Jeff King8c3ca352016-04-09 17:42:31[diff] [blame]136 return error("could not expand include path '%s'", path);
Jeff King4c0a89f2012-04-25 12:00:36[diff] [blame]137 path = expanded;
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]138
139 /*
140 * Use an absolute path as-is, but interpret relative paths
141 * based on the including config file.
142 */
143 if (!is_absolute_path(path)) {
144 char *slash;
145
Jeff Kingd14d4242014-02-18 22:58:52[diff] [blame]146 if (!cf || !cf->path)
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]147 return error("relative config includes must come from files");
148
Jeff Kingd14d4242014-02-18 22:58:52[diff] [blame]149 slash = find_last_dir_sep(cf->path);
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]150 if (slash)
Jeff Kingd14d4242014-02-18 22:58:52[diff] [blame]151 strbuf_add(&buf, cf->path, slash - cf->path + 1);
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]152 strbuf_addstr(&buf, path);
153 path = buf.buf;
154 }
155
Jonathan Nieder4698c8f2013-04-12 21:03:18[diff] [blame]156 if (!access_or_die(path, R_OK, 0)) {
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]157 if (++inc->depth > MAX_INCLUDE_DEPTH)
158 die(include_depth_advice, MAX_INCLUDE_DEPTH, path,
Jeff King32582582016-05-18 22:41:08[diff] [blame]159 !cf ? "<unknown>" :
160 cf->name ? cf->name :
161 "the command line");
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]162 ret = git_config_from_file(git_config_include, path, inc);
163 inc->depth--;
164 }
165 strbuf_release(&buf);
Jeff King4c0a89f2012-04-25 12:00:36[diff] [blame]166 free(expanded);
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]167 return ret;
168}
169
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]170static int prepare_include_condition_pattern(struct strbuf *pat)
171{
172 struct strbuf path = STRBUF_INIT;
173 char *expanded;
174 int prefix = 0;
175
Nguyễn Thái Ngọc Duy86f95152017-04-05 10:24:39[diff] [blame]176 expanded = expand_user_path(pat->buf, 1);
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]177 if (expanded) {
178 strbuf_reset(pat);
179 strbuf_addstr(pat, expanded);
180 free(expanded);
181 }
182
183 if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) {
184 const char *slash;
185
186 if (!cf || !cf->path)
187 return error(_("relative config include "
188 "conditionals must come from files"));
189
Nguyễn Thái Ngọc Duy86f95152017-04-05 10:24:39[diff] [blame]190 strbuf_realpath(&path, cf->path, 1);
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]191 slash = find_last_dir_sep(path.buf);
192 if (!slash)
193 die("BUG: how is this possible?");
194 strbuf_splice(pat, 0, 1, path.buf, slash - path.buf);
195 prefix = slash - path.buf + 1 /* slash */;
196 } else if (!is_absolute_path(pat->buf))
197 strbuf_insert(pat, 0, "**/", 3);
198
199 if (pat->len && is_dir_sep(pat->buf[pat->len - 1]))
200 strbuf_addstr(pat, "**");
201
202 strbuf_release(&path);
203 return prefix;
204}
205
Nguyễn Thái Ngọc Duy2185fde2017-04-17 10:10:01[diff] [blame]206static int include_by_gitdir(const struct config_options *opts,
207 const char *cond, size_t cond_len, int icase)
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]208{
209 struct strbuf text = STRBUF_INIT;
210 struct strbuf pattern = STRBUF_INIT;
211 int ret = 0, prefix;
Nguyễn Thái Ngọc Duy2185fde2017-04-17 10:10:01[diff] [blame]212 const char *git_dir;
Ævar Arnfjörð Bjarmason0624c632017-05-16 08:28:46[diff] [blame]213 int already_tried_absolute = 0;
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]214
Nguyễn Thái Ngọc Duy2185fde2017-04-17 10:10:01[diff] [blame]215 if (opts->git_dir)
216 git_dir = opts->git_dir;
Nguyễn Thái Ngọc Duy2185fde2017-04-17 10:10:01[diff] [blame]217 else
218 goto done;
219
Junio C Hamanoc9672ba2017-04-26 06:39:05[diff] [blame]220 strbuf_realpath(&text, git_dir, 1);
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]221 strbuf_add(&pattern, cond, cond_len);
222 prefix = prepare_include_condition_pattern(&pattern);
223
Ævar Arnfjörð Bjarmason0624c632017-05-16 08:28:46[diff] [blame]224again:
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]225 if (prefix < 0)
226 goto done;
227
228 if (prefix > 0) {
229 /*
230 * perform literal matching on the prefix part so that
231 * any wildcard character in it can't create side effects.
232 */
233 if (text.len < prefix)
234 goto done;
235 if (!icase && strncmp(pattern.buf, text.buf, prefix))
236 goto done;
237 if (icase && strncasecmp(pattern.buf, text.buf, prefix))
238 goto done;
239 }
240
241 ret = !wildmatch(pattern.buf + prefix, text.buf + prefix,
Ævar Arnfjörð Bjarmason55d34262017-06-22 21:38:08[diff] [blame]242 icase ? WM_CASEFOLD : 0);
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]243
Ævar Arnfjörð Bjarmason0624c632017-05-16 08:28:46[diff] [blame]244 if (!ret && !already_tried_absolute) {
245 /*
246 * We've tried e.g. matching gitdir:~/work, but if
247 * ~/work is a symlink to /mnt/storage/work
248 * strbuf_realpath() will expand it, so the rule won't
249 * match. Let's match against a
250 * strbuf_add_absolute_path() version of the path,
251 * which'll do the right thing
252 */
253 strbuf_reset(&text);
254 strbuf_add_absolute_path(&text, git_dir);
255 already_tried_absolute = 1;
256 goto again;
257 }
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]258done:
259 strbuf_release(&pattern);
260 strbuf_release(&text);
261 return ret;
262}
263
Nguyễn Thái Ngọc Duy2185fde2017-04-17 10:10:01[diff] [blame]264static int include_condition_is_true(const struct config_options *opts,
265 const char *cond, size_t cond_len)
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]266{
267
268 if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len))
Nguyễn Thái Ngọc Duy2185fde2017-04-17 10:10:01[diff] [blame]269 return include_by_gitdir(opts, cond, cond_len, 0);
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]270 else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len))
Nguyễn Thái Ngọc Duy2185fde2017-04-17 10:10:01[diff] [blame]271 return include_by_gitdir(opts, cond, cond_len, 1);
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]272
273 /* unknown conditionals are always false */
274 return 0;
275}
276
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]277int git_config_include(const char *var, const char *value, void *data)
278{
279 struct config_include_data *inc = data;
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]280 const char *cond, *key;
281 int cond_len;
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]282 int ret;
283
284 /*
285 * Pass along all values, including "include" directives; this makes it
286 * possible to query information on the includes themselves.
287 */
288 ret = inc->fn(var, value, inc->data);
289 if (ret < 0)
290 return ret;
291
René Scharfe37007c32014-08-30 16:07:05[diff] [blame]292 if (!strcmp(var, "include.path"))
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]293 ret = handle_path_include(value, inc);
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]294
295 if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) &&
Nguyễn Thái Ngọc Duy2185fde2017-04-17 10:10:01[diff] [blame]296 (cond && include_condition_is_true(inc->opts, cond, cond_len)) &&
Nguyễn Thái Ngọc Duy3efd0be2017-03-01 11:26:31[diff] [blame]297 !strcmp(key, "path"))
298 ret = handle_path_include(value, inc);
299
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]300 return ret;
301}
302
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]303void git_config_push_parameter(const char *text)
304{
305 struct strbuf env = STRBUF_INIT;
306 const char *old = getenv(CONFIG_DATA_ENVIRONMENT);
Jeff Kingd1f88492016-03-22 19:50:51[diff] [blame]307 if (old && *old) {
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]308 strbuf_addstr(&env, old);
309 strbuf_addch(&env, ' ');
310 }
311 sq_quote_buf(&env, text);
312 setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1);
313 strbuf_release(&env);
314}
315
Junio C Hamanoee98df32017-02-23 22:44:07[diff] [blame]316static inline int iskeychar(int c)
317{
318 return isalnum(c) || c == '-';
319}
320
321/*
322 * Auxiliary function to sanity-check and split the key into the section
323 * identifier and variable name.
324 *
325 * Returns 0 on success, -1 when there is an invalid character in the key and
326 * -2 if there is no section name in the key.
327 *
328 * store_key - pointer to char* which will hold a copy of the key with
329 * lowercase section and variable name
330 * baselen - pointer to int which will hold the length of the
331 * section + subsection part, can be NULL
332 */
333static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet)
334{
335 int i, dot, baselen;
336 const char *last_dot = strrchr(key, '.');
337
338 /*
339 * Since "key" actually contains the section name and the real
340 * key name separated by a dot, we have to know where the dot is.
341 */
342
343 if (last_dot == NULL || last_dot == key) {
344 if (!quiet)
345 error("key does not contain a section: %s", key);
346 return -CONFIG_NO_SECTION_OR_NAME;
347 }
348
349 if (!last_dot[1]) {
350 if (!quiet)
351 error("key does not contain variable name: %s", key);
352 return -CONFIG_NO_SECTION_OR_NAME;
353 }
354
355 baselen = last_dot - key;
356 if (baselen_)
357 *baselen_ = baselen;
358
359 /*
360 * Validate the key and while at it, lower case it for matching.
361 */
362 if (store_key)
363 *store_key = xmallocz(strlen(key));
364
365 dot = 0;
366 for (i = 0; key[i]; i++) {
367 unsigned char c = key[i];
368 if (c == '.')
369 dot = 1;
370 /* Leave the extended basename untouched.. */
371 if (!dot || i > baselen) {
372 if (!iskeychar(c) ||
373 (i == baselen + 1 && !isalpha(c))) {
374 if (!quiet)
375 error("invalid key: %s", key);
376 goto out_free_ret_1;
377 }
378 c = tolower(c);
379 } else if (c == '\n') {
380 if (!quiet)
381 error("invalid key (newline): %s", key);
382 goto out_free_ret_1;
383 }
384 if (store_key)
385 (*store_key)[i] = c;
386 }
387
388 return 0;
389
390out_free_ret_1:
391 if (store_key) {
Ævar Arnfjörð Bjarmason6a83d902017-06-15 23:15:46[diff] [blame]392 FREE_AND_NULL(*store_key);
Junio C Hamanoee98df32017-02-23 22:44:07[diff] [blame]393 }
394 return -CONFIG_INVALID_KEY;
395}
396
397int git_config_parse_key(const char *key, char **store_key, int *baselen)
398{
399 return git_config_parse_key_1(key, store_key, baselen, 0);
400}
401
402int git_config_key_is_valid(const char *key)
403{
404 return !git_config_parse_key_1(key, NULL, NULL, 1);
405}
406
Jeff King24968442011-06-09 15:56:42[diff] [blame]407int git_config_parse_parameter(const char *text,
408 config_fn_t fn, void *data)
Alex Riesen8b1fa772010-03-26 22:53:57[diff] [blame]409{
Junio C Hamanoa789ca72014-08-04 22:40:19[diff] [blame]410 const char *value;
Junio C Hamano1274a152017-02-23 23:04:40[diff] [blame]411 char *canonical_name;
Alex Riesen572e4f62010-03-26 22:56:01[diff] [blame]412 struct strbuf **pair;
Junio C Hamano1274a152017-02-23 23:04:40[diff] [blame]413 int ret;
Junio C Hamanoa789ca72014-08-04 22:40:19[diff] [blame]414
Jeff Kingf77bcca2011-06-09 15:55:09[diff] [blame]415 pair = strbuf_split_str(text, '=', 2);
Jeff Kingc5d63502011-06-09 15:52:43[diff] [blame]416 if (!pair[0])
417 return error("bogus config parameter: %s", text);
Junio C Hamanoa789ca72014-08-04 22:40:19[diff] [blame]418
419 if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') {
Alex Riesen572e4f62010-03-26 22:56:01[diff] [blame]420 strbuf_setlen(pair[0], pair[0]->len - 1);
Junio C Hamanoa789ca72014-08-04 22:40:19[diff] [blame]421 value = pair[1] ? pair[1]->buf : "";
422 } else {
423 value = NULL;
424 }
425
Alex Riesen572e4f62010-03-26 22:56:01[diff] [blame]426 strbuf_trim(pair[0]);
427 if (!pair[0]->len) {
428 strbuf_list_free(pair);
Jeff King06eb7082011-05-24 22:49:55[diff] [blame]429 return error("bogus config parameter: %s", text);
430 }
Junio C Hamano1274a152017-02-23 23:04:40[diff] [blame]431
432 if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) {
433 ret = -1;
434 } else {
435 ret = (fn(canonical_name, value, data) < 0) ? -1 : 0;
436 free(canonical_name);
Alex Riesen8b1fa772010-03-26 22:53:57[diff] [blame]437 }
Alex Riesen572e4f62010-03-26 22:56:01[diff] [blame]438 strbuf_list_free(pair);
Junio C Hamano1274a152017-02-23 23:04:40[diff] [blame]439 return ret;
Alex Riesen8b1fa772010-03-26 22:53:57[diff] [blame]440}
441
Jeff King06eb7082011-05-24 22:49:55[diff] [blame]442int git_config_from_parameters(config_fn_t fn, void *data)
443{
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]444 const char *env = getenv(CONFIG_DATA_ENVIRONMENT);
Jeff Kinga77d6db2016-05-18 22:39:49[diff] [blame]445 int ret = 0;
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]446 char *envw;
447 const char **argv = NULL;
448 int nr = 0, alloc = 0;
449 int i;
Jeff King32582582016-05-18 22:41:08[diff] [blame]450 struct config_source source;
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]451
452 if (!env)
453 return 0;
Jeff King32582582016-05-18 22:41:08[diff] [blame]454
455 memset(&source, 0, sizeof(source));
456 source.prev = cf;
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]457 source.origin_type = CONFIG_ORIGIN_CMDLINE;
Jeff King32582582016-05-18 22:41:08[diff] [blame]458 cf = &source;
459
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]460 /* sq_dequote will write over it */
461 envw = xstrdup(env);
462
463 if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) {
Jeff Kinga77d6db2016-05-18 22:39:49[diff] [blame]464 ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT);
465 goto out;
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]466 }
467
468 for (i = 0; i < nr; i++) {
Jeff King06eb7082011-05-24 22:49:55[diff] [blame]469 if (git_config_parse_parameter(argv[i], fn, data) < 0) {
Jeff Kinga77d6db2016-05-18 22:39:49[diff] [blame]470 ret = -1;
471 goto out;
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]472 }
473 }
474
Jeff Kinga77d6db2016-05-18 22:39:49[diff] [blame]475out:
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]476 free(argv);
477 free(envw);
Jeff King32582582016-05-18 22:41:08[diff] [blame]478 cf = source.prev;
Jeff Kinga77d6db2016-05-18 22:39:49[diff] [blame]479 return ret;
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]480}
481
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]482static int get_next_char(void)
483{
Jeff King49d6cfa2013-08-26 21:57:18[diff] [blame]484 int c = cf->do_fgetc(cf);
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]485
Heiko Voigtdbb9a812013-05-11 13:19:29[diff] [blame]486 if (c == '\r') {
487 /* DOS like systems */
Jeff King49d6cfa2013-08-26 21:57:18[diff] [blame]488 c = cf->do_fgetc(cf);
Heiko Voigtdbb9a812013-05-11 13:19:29[diff] [blame]489 if (c != '\n') {
Jeff King5e0be132015-02-05 06:53:28[diff] [blame]490 if (c != EOF)
491 cf->do_ungetc(c, cf);
Heiko Voigtdbb9a812013-05-11 13:19:29[diff] [blame]492 c = '\r';
Junio C Hamanodb2c0752005-11-02 21:02:57[diff] [blame]493 }
Heiko Voigtdbb9a812013-05-11 13:19:29[diff] [blame]494 }
495 if (c == '\n')
496 cf->linenr++;
497 if (c == EOF) {
498 cf->eof = 1;
Matthieu Moyb3b3f602014-08-07 11:59:13[diff] [blame]499 cf->linenr++;
Heiko Voigtdbb9a812013-05-11 13:19:29[diff] [blame]500 c = '\n';
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]501 }
502 return c;
503}
504
505static char *parse_value(void)
506{
Erik Faye-Lunde96c19c2011-04-10 20:54:18[diff] [blame]507 int quote = 0, comment = 0, space = 0;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]508
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]509 strbuf_reset(&cf->value);
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]510 for (;;) {
511 int c = get_next_char();
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]512 if (c == '\n') {
Martin Stenberg4b340592012-03-09 21:57:54[diff] [blame]513 if (quote) {
514 cf->linenr--;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]515 return NULL;
Martin Stenberg4b340592012-03-09 21:57:54[diff] [blame]516 }
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]517 return cf->value.buf;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]518 }
519 if (comment)
520 continue;
521 if (isspace(c) && !quote) {
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]522 if (cf->value.len)
Björn Steinbrinkebdaae32009-07-30 11:41:57[diff] [blame]523 space++;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]524 continue;
525 }
Johannes Schindelin7ebdba62006-05-02 14:58:37[diff] [blame]526 if (!quote) {
527 if (c == ';' || c == '#') {
528 comment = 1;
529 continue;
530 }
531 }
Björn Steinbrinkebdaae32009-07-30 11:41:57[diff] [blame]532 for (; space; space--)
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]533 strbuf_addch(&cf->value, ' ');
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]534 if (c == '\\') {
535 c = get_next_char();
536 switch (c) {
537 case '\n':
538 continue;
539 case 't':
540 c = '\t';
541 break;
542 case 'b':
543 c = '\b';
544 break;
545 case 'n':
546 c = '\n';
547 break;
Linus Torvalds5cbb4012005-10-11 22:24:11[diff] [blame]548 /* Some characters escape as themselves */
549 case '\\': case '"':
550 break;
551 /* Reject unknown escape sequences */
552 default:
553 return NULL;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]554 }
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]555 strbuf_addch(&cf->value, c);
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]556 continue;
557 }
558 if (c == '"') {
559 quote = 1-quote;
560 continue;
561 }
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]562 strbuf_addch(&cf->value, c);
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]563 }
564}
565
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]566static int get_value(config_fn_t fn, void *data, struct strbuf *name)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]567{
568 int c;
569 char *value;
Matthieu Moyb3b3f602014-08-07 11:59:13[diff] [blame]570 int ret;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]571
572 /* Get the full name */
573 for (;;) {
574 c = get_next_char();
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]575 if (cf->eof)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]576 break;
Linus Torvalds38c5afa2006-10-30 16:25:36[diff] [blame]577 if (!iskeychar(c))
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]578 break;
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]579 strbuf_addch(name, tolower(c));
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]580 }
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]581
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]582 while (c == ' ' || c == '\t')
583 c = get_next_char();
584
585 value = NULL;
586 if (c != '\n') {
587 if (c != '=')
588 return -1;
589 value = parse_value();
590 if (!value)
591 return -1;
592 }
Matthieu Moyb3b3f602014-08-07 11:59:13[diff] [blame]593 /*
594 * We already consumed the \n, but we need linenr to point to
595 * the line we just parsed during the call to fn to get
596 * accurate line number in error messages.
597 */
598 cf->linenr--;
599 ret = fn(name->buf, value, data);
Johannes Schindeline2e14252017-06-14 11:35:46[diff] [blame]600 if (ret >= 0)
601 cf->linenr++;
Matthieu Moyb3b3f602014-08-07 11:59:13[diff] [blame]602 return ret;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]603}
604
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]605static int get_extended_base_var(struct strbuf *name, int c)
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]606{
607 do {
608 if (c == '\n')
Martin Stenberg4b340592012-03-09 21:57:54[diff] [blame]609 goto error_incomplete_line;
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]610 c = get_next_char();
611 } while (isspace(c));
612
613 /* We require the format to be '[base "extension"]' */
614 if (c != '"')
615 return -1;
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]616 strbuf_addch(name, '.');
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]617
618 for (;;) {
619 int c = get_next_char();
620 if (c == '\n')
Martin Stenberg4b340592012-03-09 21:57:54[diff] [blame]621 goto error_incomplete_line;
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]622 if (c == '"')
623 break;
624 if (c == '\\') {
625 c = get_next_char();
626 if (c == '\n')
Martin Stenberg4b340592012-03-09 21:57:54[diff] [blame]627 goto error_incomplete_line;
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]628 }
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]629 strbuf_addch(name, c);
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]630 }
631
632 /* Final ']' */
633 if (get_next_char() != ']')
634 return -1;
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]635 return 0;
Martin Stenberg4b340592012-03-09 21:57:54[diff] [blame]636error_incomplete_line:
637 cf->linenr--;
638 return -1;
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]639}
640
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]641static int get_base_var(struct strbuf *name)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]642{
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]643 for (;;) {
644 int c = get_next_char();
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]645 if (cf->eof)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]646 return -1;
647 if (c == ']')
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]648 return 0;
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]649 if (isspace(c))
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]650 return get_extended_base_var(name, c);
Linus Torvalds38c5afa2006-10-30 16:25:36[diff] [blame]651 if (!iskeychar(c) && c != '.')
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]652 return -1;
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]653 strbuf_addch(name, tolower(c));
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]654 }
655}
656
Heiko Voigt4d8dd142013-07-11 22:44:39[diff] [blame]657static int git_parse_source(config_fn_t fn, void *data)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]658{
659 int comment = 0;
660 int baselen = 0;
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]661 struct strbuf *var = &cf->var;
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]662 int error_return = 0;
663 char *error_msg = NULL;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]664
Petr Baudisde056402008-10-01 20:13:02[diff] [blame]665 /* U+FEFF Byte Order Mark in UTF8 */
Junio C Hamano599446d2015-04-16 17:47:45[diff] [blame]666 const char *bomptr = utf8_bom;
Petr Baudisde056402008-10-01 20:13:02[diff] [blame]667
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]668 for (;;) {
669 int c = get_next_char();
Petr Baudisde056402008-10-01 20:13:02[diff] [blame]670 if (bomptr && *bomptr) {
671 /* We are at the file beginning; skip UTF8-encoded BOM
672 * if present. Sane editors won't put this in on their
673 * own, but e.g. Windows Notepad will do it happily. */
Junio C Hamano599446d2015-04-16 17:47:45[diff] [blame]674 if (c == (*bomptr & 0377)) {
Petr Baudisde056402008-10-01 20:13:02[diff] [blame]675 bomptr++;
676 continue;
677 } else {
678 /* Do not tolerate partial BOM. */
679 if (bomptr != utf8_bom)
680 break;
681 /* No BOM at file beginning. Cool. */
682 bomptr = NULL;
683 }
684 }
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]685 if (c == '\n') {
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]686 if (cf->eof)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]687 return 0;
688 comment = 0;
689 continue;
690 }
691 if (comment || isspace(c))
692 continue;
693 if (c == '#' || c == ';') {
694 comment = 1;
695 continue;
696 }
697 if (c == '[') {
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]698 /* Reset prior to determining a new stem */
699 strbuf_reset(var);
700 if (get_base_var(var) < 0 || var->len < 1)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]701 break;
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]702 strbuf_addch(var, '.');
703 baselen = var->len;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]704 continue;
705 }
706 if (!isalpha(c))
707 break;
Ben Walton0971e992012-09-30 19:44:36[diff] [blame]708 /*
709 * Truncate the var name back to the section header
710 * stem prior to grabbing the suffix part of the name
711 * and the value.
712 */
713 strbuf_setlen(var, baselen);
714 strbuf_addch(var, tolower(c));
715 if (get_value(fn, data, var) < 0)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]716 break;
717 }
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]718
719 switch (cf->origin_type) {
720 case CONFIG_ORIGIN_BLOB:
721 error_msg = xstrfmt(_("bad config line %d in blob %s"),
722 cf->linenr, cf->name);
723 break;
724 case CONFIG_ORIGIN_FILE:
725 error_msg = xstrfmt(_("bad config line %d in file %s"),
726 cf->linenr, cf->name);
727 break;
728 case CONFIG_ORIGIN_STDIN:
729 error_msg = xstrfmt(_("bad config line %d in standard input"),
730 cf->linenr);
731 break;
732 case CONFIG_ORIGIN_SUBMODULE_BLOB:
733 error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"),
734 cf->linenr, cf->name);
735 break;
736 case CONFIG_ORIGIN_CMDLINE:
737 error_msg = xstrfmt(_("bad config line %d in command line %s"),
738 cf->linenr, cf->name);
739 break;
740 default:
741 error_msg = xstrfmt(_("bad config line %d in %s"),
742 cf->linenr, cf->name);
743 }
744
Heiko Voigtb2dc0942013-07-11 22:48:30[diff] [blame]745 if (cf->die_on_error)
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]746 die("%s", error_msg);
Heiko Voigtb2dc0942013-07-11 22:48:30[diff] [blame]747 else
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]748 error_return = error("%s", error_msg);
749
750 free(error_msg);
751 return error_return;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]752}
753
Nick Alcockebaa1bd2011-11-02 15:46:23[diff] [blame]754static int parse_unit_factor(const char *end, uintmax_t *val)
Brian Downing0b87b6e2007-07-12 13:32:26[diff] [blame]755{
756 if (!*end)
757 return 1;
Shawn O. Pearcec8deb5a2007-12-25 07:18:05[diff] [blame]758 else if (!strcasecmp(end, "k")) {
759 *val *= 1024;
760 return 1;
761 }
762 else if (!strcasecmp(end, "m")) {
763 *val *= 1024 * 1024;
764 return 1;
765 }
766 else if (!strcasecmp(end, "g")) {
767 *val *= 1024 * 1024 * 1024;
768 return 1;
769 }
770 return 0;
Brian Downing0b87b6e2007-07-12 13:32:26[diff] [blame]771}
772
Jeff King71927772013-09-08 08:29:27[diff] [blame]773static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]774{
775 if (value && *value) {
776 char *end;
Nick Alcockebaa1bd2011-11-02 15:46:23[diff] [blame]777 intmax_t val;
778 uintmax_t uval;
779 uintmax_t factor = 1;
780
781 errno = 0;
782 val = strtoimax(value, &end, 0);
783 if (errno == ERANGE)
784 return 0;
Jeff King33fdd772013-09-08 08:36:42[diff] [blame]785 if (!parse_unit_factor(end, &factor)) {
786 errno = EINVAL;
Shawn O. Pearcec8deb5a2007-12-25 07:18:05[diff] [blame]787 return 0;
Jeff King33fdd772013-09-08 08:36:42[diff] [blame]788 }
René Scharfe83915ba2014-11-15 13:27:21[diff] [blame]789 uval = labs(val);
Nick Alcockebaa1bd2011-11-02 15:46:23[diff] [blame]790 uval *= factor;
René Scharfe83915ba2014-11-15 13:27:21[diff] [blame]791 if (uval > max || labs(val) > uval) {
Jeff King33fdd772013-09-08 08:36:42[diff] [blame]792 errno = ERANGE;
Nick Alcockebaa1bd2011-11-02 15:46:23[diff] [blame]793 return 0;
Jeff King33fdd772013-09-08 08:36:42[diff] [blame]794 }
Nick Alcockebaa1bd2011-11-02 15:46:23[diff] [blame]795 val *= factor;
796 *ret = val;
Brian Downing0b87b6e2007-07-12 13:32:26[diff] [blame]797 return 1;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]798 }
Jeff King33fdd772013-09-08 08:36:42[diff] [blame]799 errno = EINVAL;
Brian Downing0b87b6e2007-07-12 13:32:26[diff] [blame]800 return 0;
801}
802
Ramsay Jones0b4dc662013-10-06 20:48:29[diff] [blame]803static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max)
Brian Downing0b87b6e2007-07-12 13:32:26[diff] [blame]804{
805 if (value && *value) {
806 char *end;
Nick Alcockebaa1bd2011-11-02 15:46:23[diff] [blame]807 uintmax_t val;
808 uintmax_t oldval;
809
810 errno = 0;
811 val = strtoumax(value, &end, 0);
812 if (errno == ERANGE)
813 return 0;
814 oldval = val;
Jeff King33fdd772013-09-08 08:36:42[diff] [blame]815 if (!parse_unit_factor(end, &val)) {
816 errno = EINVAL;
Shawn O. Pearcec8deb5a2007-12-25 07:18:05[diff] [blame]817 return 0;
Jeff King33fdd772013-09-08 08:36:42[diff] [blame]818 }
819 if (val > max || oldval > val) {
820 errno = ERANGE;
Nick Alcockebaa1bd2011-11-02 15:46:23[diff] [blame]821 return 0;
Jeff King33fdd772013-09-08 08:36:42[diff] [blame]822 }
Shawn O. Pearcec8deb5a2007-12-25 07:18:05[diff] [blame]823 *ret = val;
Brian Downing0b87b6e2007-07-12 13:32:26[diff] [blame]824 return 1;
825 }
Jeff King33fdd772013-09-08 08:36:42[diff] [blame]826 errno = EINVAL;
Brian Downing0b87b6e2007-07-12 13:32:26[diff] [blame]827 return 0;
828}
829
Jeff King42d194e2013-09-08 08:33:08[diff] [blame]830static int git_parse_int(const char *value, int *ret)
Jeff Kingc1867ce2008-02-21 00:00:32[diff] [blame]831{
Jeff King71927772013-09-08 08:29:27[diff] [blame]832 intmax_t tmp;
Jeff King42d194e2013-09-08 08:33:08[diff] [blame]833 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int)))
Jeff King71927772013-09-08 08:29:27[diff] [blame]834 return 0;
835 *ret = tmp;
836 return 1;
837}
838
Jeff King00160242013-09-08 08:40:02[diff] [blame]839static int git_parse_int64(const char *value, int64_t *ret)
840{
841 intmax_t tmp;
842 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t)))
843 return 0;
844 *ret = tmp;
845 return 1;
846}
847
Jeff King71927772013-09-08 08:29:27[diff] [blame]848int git_parse_ulong(const char *value, unsigned long *ret)
849{
850 uintmax_t tmp;
851 if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long)))
852 return 0;
853 *ret = tmp;
854 return 1;
855}
856
David Turner37ee6802017-04-11 18:13:57[diff] [blame]857static int git_parse_ssize_t(const char *value, ssize_t *ret)
858{
859 intmax_t tmp;
860 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t)))
861 return 0;
862 *ret = tmp;
863 return 1;
864}
865
Jeff King06bdc232014-04-16 16:51:47[diff] [blame]866NORETURN
Jeff King2f666582013-09-08 08:38:22[diff] [blame]867static void die_bad_number(const char *name, const char *value)
Jeff Kingc1867ce2008-02-21 00:00:32[diff] [blame]868{
Jean-Noel Avila078fe302016-08-21 14:50:39[diff] [blame]869 const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit");
870
Jeff King2f666582013-09-08 08:38:22[diff] [blame]871 if (!value)
872 value = "";
873
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]874 if (!(cf && cf->name))
Jean-Noel Avila078fe302016-08-21 14:50:39[diff] [blame]875 die(_("bad numeric config value '%s' for '%s': %s"),
876 value, name, error_type);
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]877
878 switch (cf->origin_type) {
879 case CONFIG_ORIGIN_BLOB:
Jean-Noel Avila078fe302016-08-21 14:50:39[diff] [blame]880 die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
881 value, name, cf->name, error_type);
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]882 case CONFIG_ORIGIN_FILE:
Jean-Noel Avila078fe302016-08-21 14:50:39[diff] [blame]883 die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
884 value, name, cf->name, error_type);
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]885 case CONFIG_ORIGIN_STDIN:
Jean-Noel Avila078fe302016-08-21 14:50:39[diff] [blame]886 die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
887 value, name, error_type);
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]888 case CONFIG_ORIGIN_SUBMODULE_BLOB:
Jean-Noel Avila078fe302016-08-21 14:50:39[diff] [blame]889 die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
890 value, name, cf->name, error_type);
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]891 case CONFIG_ORIGIN_CMDLINE:
Jean-Noel Avila078fe302016-08-21 14:50:39[diff] [blame]892 die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
893 value, name, cf->name, error_type);
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]894 default:
Jean-Noel Avila078fe302016-08-21 14:50:39[diff] [blame]895 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
896 value, name, cf->name, error_type);
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]897 }
Jeff Kingc1867ce2008-02-21 00:00:32[diff] [blame]898}
899
Brian Downing0b87b6e2007-07-12 13:32:26[diff] [blame]900int git_config_int(const char *name, const char *value)
901{
Jeff King42d194e2013-09-08 08:33:08[diff] [blame]902 int ret;
903 if (!git_parse_int(value, &ret))
Jeff King2f666582013-09-08 08:38:22[diff] [blame]904 die_bad_number(name, value);
Brian Downing0b87b6e2007-07-12 13:32:26[diff] [blame]905 return ret;
906}
907
Jeff King00160242013-09-08 08:40:02[diff] [blame]908int64_t git_config_int64(const char *name, const char *value)
909{
910 int64_t ret;
911 if (!git_parse_int64(value, &ret))
912 die_bad_number(name, value);
Brian Downing0b87b6e2007-07-12 13:32:26[diff] [blame]913 return ret;
914}
915
916unsigned long git_config_ulong(const char *name, const char *value)
917{
918 unsigned long ret;
919 if (!git_parse_ulong(value, &ret))
Jeff King2f666582013-09-08 08:38:22[diff] [blame]920 die_bad_number(name, value);
Brian Downing0b87b6e2007-07-12 13:32:26[diff] [blame]921 return ret;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]922}
923
David Turner37ee6802017-04-11 18:13:57[diff] [blame]924ssize_t git_config_ssize_t(const char *name, const char *value)
925{
926 ssize_t ret;
927 if (!git_parse_ssize_t(value, &ret))
928 die_bad_number(name, value);
929 return ret;
930}
931
Dave Borowitz9a549d42015-08-19 15:26:44[diff] [blame]932int git_parse_maybe_bool(const char *value)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]933{
934 if (!value)
935 return 1;
936 if (!*value)
937 return 0;
Junio C Hamano8420ccd2010-02-17 07:59:46[diff] [blame]938 if (!strcasecmp(value, "true")
939 || !strcasecmp(value, "yes")
940 || !strcasecmp(value, "on"))
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]941 return 1;
Junio C Hamano8420ccd2010-02-17 07:59:46[diff] [blame]942 if (!strcasecmp(value, "false")
943 || !strcasecmp(value, "no")
944 || !strcasecmp(value, "off"))
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]945 return 0;
Junio C Hamano8420ccd2010-02-17 07:59:46[diff] [blame]946 return -1;
947}
948
Jeff Kingb2be2f62010-11-17 17:00:45[diff] [blame]949int git_config_maybe_bool(const char *name, const char *value)
950{
Dave Borowitz9a549d42015-08-19 15:26:44[diff] [blame]951 int v = git_parse_maybe_bool(value);
Jeff Kingb2be2f62010-11-17 17:00:45[diff] [blame]952 if (0 <= v)
953 return v;
Jeff King42d194e2013-09-08 08:33:08[diff] [blame]954 if (git_parse_int(value, &v))
Jeff Kingdb6195e2010-12-19 03:36:41[diff] [blame]955 return !!v;
Jeff Kingb2be2f62010-11-17 17:00:45[diff] [blame]956 return -1;
957}
958
Junio C Hamano8420ccd2010-02-17 07:59:46[diff] [blame]959int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
960{
Dave Borowitz9a549d42015-08-19 15:26:44[diff] [blame]961 int v = git_parse_maybe_bool(value);
Junio C Hamano8420ccd2010-02-17 07:59:46[diff] [blame]962 if (0 <= v) {
963 *is_bool = 1;
964 return v;
965 }
Junio C Hamanoa53f2ec2008-04-13 01:33:31[diff] [blame]966 *is_bool = 0;
Junio C Hamanoc35b0b52008-04-13 19:11:11[diff] [blame]967 return git_config_int(name, value);
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]968}
969
Junio C Hamanoa53f2ec2008-04-13 01:33:31[diff] [blame]970int git_config_bool(const char *name, const char *value)
971{
972 int discard;
Junio C Hamanoc35b0b52008-04-13 19:11:11[diff] [blame]973 return !!git_config_bool_or_int(name, value, &discard);
Junio C Hamanoa53f2ec2008-04-13 01:33:31[diff] [blame]974}
975
Christian Couderea5105a2008-02-16 05:00:24[diff] [blame]976int git_config_string(const char **dest, const char *var, const char *value)
977{
978 if (!value)
979 return config_error_nonbool(var);
980 *dest = xstrdup(value);
981 return 0;
982}
983
Matthieu Moy395de252009-11-17 17:24:25[diff] [blame]984int git_config_pathname(const char **dest, const char *var, const char *value)
985{
986 if (!value)
987 return config_error_nonbool(var);
Nguyễn Thái Ngọc Duy4aad2f12017-04-05 10:24:38[diff] [blame]988 *dest = expand_user_path(value, 0);
Matthieu Moy395de252009-11-17 17:24:25[diff] [blame]989 if (!*dest)
Matthieu Moy8262aaa2014-08-07 11:59:12[diff] [blame]990 die(_("failed to expand user dir in: '%s'"), value);
Matthieu Moy395de252009-11-17 17:24:25[diff] [blame]991 return 0;
992}
993
Linus Torvalds806e2ad2008-06-18 21:37:18[diff] [blame]994static int git_default_core_config(const char *var, const char *value)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]995{
996 /* This needs a better name */
997 if (!strcmp(var, "core.filemode")) {
998 trust_executable_bit = git_config_bool(var, value);
999 return 0;
1000 }
Alex Riesen1ce47902008-07-28 06:31:28[diff] [blame]1001 if (!strcmp(var, "core.trustctime")) {
1002 trust_ctime = git_config_bool(var, value);
1003 return 0;
1004 }
Junio C Hamanoc1b5d732013-05-07 05:32:58[diff] [blame]1005 if (!strcmp(var, "core.checkstat")) {
Robin Rosenbergc08e4d52013-01-22 07:49:22[diff] [blame]1006 if (!strcasecmp(value, "default"))
1007 check_stat = 1;
1008 else if (!strcasecmp(value, "minimal"))
1009 check_stat = 0;
1010 }
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]1011
Junio C Hamano9378c162007-06-24 22:11:24[diff] [blame]1012 if (!strcmp(var, "core.quotepath")) {
1013 quote_path_fully = git_config_bool(var, value);
1014 return 0;
1015 }
1016
Johannes Sixt78a8d642007-03-02 21:11:30[diff] [blame]1017 if (!strcmp(var, "core.symlinks")) {
1018 has_symlinks = git_config_bool(var, value);
1019 return 0;
1020 }
1021
Linus Torvalds0a9b88b2008-03-21 23:52:46[diff] [blame]1022 if (!strcmp(var, "core.ignorecase")) {
1023 ignore_case = git_config_bool(var, value);
1024 return 0;
1025 }
1026
Junio C Hamano64589a02011-10-06 18:22:24[diff] [blame]1027 if (!strcmp(var, "core.attributesfile"))
1028 return git_config_pathname(&git_attributes_file, var, value);
1029
Ævar Arnfjörð Bjarmason867ad082016-05-04 22:58:12[diff] [blame]1030 if (!strcmp(var, "core.hookspath"))
1031 return git_config_pathname(&git_hooks_path, var, value);
1032
Junio C Hamano7d1864c2007-01-07 10:00:28[diff] [blame]1033 if (!strcmp(var, "core.bare")) {
1034 is_bare_repository_cfg = git_config_bool(var, value);
1035 return 0;
1036 }
1037
Junio C Hamano5f730762006-02-09 05:15:24[diff] [blame]1038 if (!strcmp(var, "core.ignorestat")) {
1039 assume_unchanged = git_config_bool(var, value);
1040 return 0;
1041 }
1042
Junio C Hamanoe388c732006-05-02 07:40:24[diff] [blame]1043 if (!strcmp(var, "core.prefersymlinkrefs")) {
1044 prefer_symlink_refs = git_config_bool(var, value);
Johannes Schindelinf8348be2005-11-15 18:24:19[diff] [blame]1045 return 0;
1046 }
1047
Shawn Pearce6de08ae2006-05-17 09:55:40[diff] [blame]1048 if (!strcmp(var, "core.logallrefupdates")) {
Cornelius Weig341fb282017-01-27 10:09:47[diff] [blame]1049 if (value && !strcasecmp(value, "always"))
1050 log_all_ref_updates = LOG_REFS_ALWAYS;
1051 else if (git_config_bool(var, value))
1052 log_all_ref_updates = LOG_REFS_NORMAL;
1053 else
1054 log_all_ref_updates = LOG_REFS_NONE;
Shawn Pearce6de08ae2006-05-17 09:55:40[diff] [blame]1055 return 0;
1056 }
1057
Junio C Hamano2f8acdb2006-03-21 02:45:47[diff] [blame]1058 if (!strcmp(var, "core.warnambiguousrefs")) {
1059 warn_ambiguous_refs = git_config_bool(var, value);
1060 return 0;
1061 }
1062
Junio C Hamanoa71f09f2011-03-21 05:26:24[diff] [blame]1063 if (!strcmp(var, "core.abbrev")) {
Junio C Hamano48d50142016-11-02 01:34:07[diff] [blame]1064 if (!value)
1065 return config_error_nonbool(var);
1066 if (!strcasecmp(value, "auto"))
1067 default_abbrev = -1;
1068 else {
1069 int abbrev = git_config_int(var, value);
1070 if (abbrev < minimum_abbrev || abbrev > 40)
1071 return error("abbrev length out of range: %d", abbrev);
1072 default_abbrev = abbrev;
1073 }
Linus Torvaldsdce96482010-10-28 18:28:04[diff] [blame]1074 return 0;
1075 }
1076
Jeff King5b33cb12016-09-27 12:38:01[diff] [blame]1077 if (!strcmp(var, "core.disambiguate"))
1078 return set_disambiguate_hint_config(var, value);
1079
Dana How960ccca2007-05-09 20:56:50[diff] [blame]1080 if (!strcmp(var, "core.loosecompression")) {
Joachim B Haga12f6c302006-07-03 20:11:47[diff] [blame]1081 int level = git_config_int(var, value);
1082 if (level == -1)
1083 level = Z_DEFAULT_COMPRESSION;
1084 else if (level < 0 || level > Z_BEST_COMPRESSION)
Matthieu Moy8262aaa2014-08-07 11:59:12[diff] [blame]1085 die(_("bad zlib compression level %d"), level);
Joachim B Haga12f6c302006-07-03 20:11:47[diff] [blame]1086 zlib_compression_level = level;
Dana How960ccca2007-05-09 20:56:50[diff] [blame]1087 zlib_compression_seen = 1;
1088 return 0;
1089 }
1090
1091 if (!strcmp(var, "core.compression")) {
1092 int level = git_config_int(var, value);
1093 if (level == -1)
1094 level = Z_DEFAULT_COMPRESSION;
1095 else if (level < 0 || level > Z_BEST_COMPRESSION)
Matthieu Moy8262aaa2014-08-07 11:59:12[diff] [blame]1096 die(_("bad zlib compression level %d"), level);
Dana How960ccca2007-05-09 20:56:50[diff] [blame]1097 core_compression_level = level;
1098 core_compression_seen = 1;
1099 if (!zlib_compression_seen)
1100 zlib_compression_level = level;
Junio C Hamano8de7eeb2016-11-16 01:42:40[diff] [blame]1101 if (!pack_compression_seen)
1102 pack_compression_level = level;
Joachim B Haga12f6c302006-07-03 20:11:47[diff] [blame]1103 return 0;
1104 }
1105
Shawn O. Pearce60bb8b12006-12-23 07:34:28[diff] [blame]1106 if (!strcmp(var, "core.packedgitwindowsize")) {
Junio C Hamano5faaf242007-02-14 21:20:41[diff] [blame]1107 int pgsz_x2 = getpagesize() * 2;
Nick Alcockebaa1bd2011-11-02 15:46:23[diff] [blame]1108 packed_git_window_size = git_config_ulong(var, value);
Junio C Hamano5faaf242007-02-14 21:20:41[diff] [blame]1109
1110 /* This value must be multiple of (pagesize * 2) */
1111 packed_git_window_size /= pgsz_x2;
1112 if (packed_git_window_size < 1)
1113 packed_git_window_size = 1;
1114 packed_git_window_size *= pgsz_x2;
Shawn O. Pearce60bb8b12006-12-23 07:34:28[diff] [blame]1115 return 0;
1116 }
1117
Junio C Hamano15366282011-04-05 17:44:11[diff] [blame]1118 if (!strcmp(var, "core.bigfilethreshold")) {
Nick Alcockebaa1bd2011-11-02 15:46:23[diff] [blame]1119 big_file_threshold = git_config_ulong(var, value);
Junio C Hamano15366282011-04-05 17:44:11[diff] [blame]1120 return 0;
1121 }
1122
Shawn O. Pearce77ccc5b2006-12-23 07:33:35[diff] [blame]1123 if (!strcmp(var, "core.packedgitlimit")) {
Nick Alcockebaa1bd2011-11-02 15:46:23[diff] [blame]1124 packed_git_limit = git_config_ulong(var, value);
Shawn O. Pearce77ccc5b2006-12-23 07:33:35[diff] [blame]1125 return 0;
1126 }
1127
Shawn O. Pearce18bdec12007-03-19 05:14:37[diff] [blame]1128 if (!strcmp(var, "core.deltabasecachelimit")) {
Nick Alcockebaa1bd2011-11-02 15:46:23[diff] [blame]1129 delta_base_cache_limit = git_config_ulong(var, value);
Shawn O. Pearce18bdec12007-03-19 05:14:37[diff] [blame]1130 return 0;
1131 }
1132
Linus Torvalds6c510be2007-02-13 19:07:23[diff] [blame]1133 if (!strcmp(var, "core.autocrlf")) {
Linus Torvaldsd7f46332007-02-14 02:16:12[diff] [blame]1134 if (value && !strcasecmp(value, "input")) {
Eyvind Bernhardsenfd6cce92010-05-19 20:43:10[diff] [blame]1135 auto_crlf = AUTO_CRLF_INPUT;
Linus Torvaldsd7f46332007-02-14 02:16:12[diff] [blame]1136 return 0;
1137 }
Linus Torvalds6c510be2007-02-13 19:07:23[diff] [blame]1138 auto_crlf = git_config_bool(var, value);
1139 return 0;
1140 }
1141
Steffen Prohaska21e5ad52008-02-06 11:25:58[diff] [blame]1142 if (!strcmp(var, "core.safecrlf")) {
1143 if (value && !strcasecmp(value, "warn")) {
1144 safe_crlf = SAFE_CRLF_WARN;
1145 return 0;
1146 }
1147 safe_crlf = git_config_bool(var, value);
1148 return 0;
1149 }
1150
Eyvind Bernhardsen942e7742010-06-04 19:29:08[diff] [blame]1151 if (!strcmp(var, "core.eol")) {
1152 if (value && !strcasecmp(value, "lf"))
Junio C Hamanoec70f522011-05-09 19:52:12[diff] [blame]1153 core_eol = EOL_LF;
Eyvind Bernhardsen942e7742010-06-04 19:29:08[diff] [blame]1154 else if (value && !strcasecmp(value, "crlf"))
Junio C Hamanoec70f522011-05-09 19:52:12[diff] [blame]1155 core_eol = EOL_CRLF;
Eyvind Bernhardsen942e7742010-06-04 19:29:08[diff] [blame]1156 else if (value && !strcasecmp(value, "native"))
Junio C Hamanoec70f522011-05-09 19:52:12[diff] [blame]1157 core_eol = EOL_NATIVE;
Eyvind Bernhardsen942e7742010-06-04 19:29:08[diff] [blame]1158 else
Junio C Hamanoec70f522011-05-09 19:52:12[diff] [blame]1159 core_eol = EOL_UNSET;
Eyvind Bernhardsen942e7742010-06-04 19:29:08[diff] [blame]1160 return 0;
1161 }
1162
Johannes Schindelina97a7462009-10-09 10:21:57[diff] [blame]1163 if (!strcmp(var, "core.notesref")) {
1164 notes_ref_name = xstrdup(value);
1165 return 0;
1166 }
1167
Linus Torvalds806e2ad2008-06-18 21:37:18[diff] [blame]1168 if (!strcmp(var, "core.editor"))
1169 return git_config_string(&editor_program, var, value);
1170
Junio C Hamanoeff80a92013-01-16 19:18:48[diff] [blame]1171 if (!strcmp(var, "core.commentchar")) {
Jeff King649409b2014-07-24 04:42:39[diff] [blame]1172 if (!value)
1173 return config_error_nonbool(var);
Junio C Hamanoad524f82014-07-28 18:30:41[diff] [blame]1174 else if (!strcasecmp(value, "auto"))
Nguyễn Thái Ngọc Duy84c9dc22014-05-17 01:52:23[diff] [blame]1175 auto_comment_line_char = 1;
Junio C Hamanoad524f82014-07-28 18:30:41[diff] [blame]1176 else if (value[0] && !value[1]) {
Jeff King649409b2014-07-24 04:42:39[diff] [blame]1177 comment_line_char = value[0];
Nguyễn Thái Ngọc Duy84c9dc22014-05-17 01:52:23[diff] [blame]1178 auto_comment_line_char = 0;
Nguyễn Thái Ngọc Duy50b54fd2014-05-17 01:52:22[diff] [blame]1179 } else
1180 return error("core.commentChar should only be one character");
1181 return 0;
Junio C Hamanoeff80a92013-01-16 19:18:48[diff] [blame]1182 }
1183
Anselm Kruisd3e7da82010-08-30 13:38:38[diff] [blame]1184 if (!strcmp(var, "core.askpass"))
1185 return git_config_string(&askpass_program, var, value);
1186
Linus Torvalds806e2ad2008-06-18 21:37:18[diff] [blame]1187 if (!strcmp(var, "core.excludesfile"))
Matthieu Moy395de252009-11-17 17:24:25[diff] [blame]1188 return git_config_pathname(&excludes_file, var, value);
Linus Torvalds806e2ad2008-06-18 21:37:18[diff] [blame]1189
1190 if (!strcmp(var, "core.whitespace")) {
1191 if (!value)
1192 return config_error_nonbool(var);
1193 whitespace_rule_cfg = parse_whitespace_rule(value);
1194 return 0;
1195 }
1196
Linus Torvaldsaafe9fb2008-06-18 22:18:44[diff] [blame]1197 if (!strcmp(var, "core.fsyncobjectfiles")) {
1198 fsync_object_files = git_config_bool(var, value);
1199 return 0;
1200 }
1201
Linus Torvalds671c9b72008-11-14 00:36:30[diff] [blame]1202 if (!strcmp(var, "core.preloadindex")) {
1203 core_preload_index = git_config_bool(var, value);
1204 return 0;
1205 }
1206
Johannes Schindelin348df162009-04-27 22:32:25[diff] [blame]1207 if (!strcmp(var, "core.createobject")) {
1208 if (!strcmp(value, "rename"))
1209 object_creation_mode = OBJECT_CREATION_USES_RENAMES;
1210 else if (!strcmp(value, "link"))
1211 object_creation_mode = OBJECT_CREATION_USES_HARDLINKS;
1212 else
Matthieu Moy8262aaa2014-08-07 11:59:12[diff] [blame]1213 die(_("invalid mode for object creation: %s"), value);
Johannes Schindelinbe66a6c2009-04-25 09:57:14[diff] [blame]1214 return 0;
1215 }
1216
Nguyễn Thái Ngọc Duy08aefc92009-08-20 13:47:08[diff] [blame]1217 if (!strcmp(var, "core.sparsecheckout")) {
1218 core_apply_sparse_checkout = git_config_bool(var, value);
1219 return 0;
1220 }
1221
Torsten Bögershausen76759c72012-07-08 13:50:25[diff] [blame]1222 if (!strcmp(var, "core.precomposeunicode")) {
1223 precomposed_unicode = git_config_bool(var, value);
1224 return 0;
1225 }
1226
Jeff Kinga42643a2014-12-15 23:15:20[diff] [blame]1227 if (!strcmp(var, "core.protecthfs")) {
1228 protect_hfs = git_config_bool(var, value);
1229 return 0;
1230 }
1231
Johannes Schindelin2b4c6ef2014-12-16 22:46:59[diff] [blame]1232 if (!strcmp(var, "core.protectntfs")) {
1233 protect_ntfs = git_config_bool(var, value);
1234 return 0;
1235 }
1236
Johannes Schindelinf30afda2016-05-11 08:43:37[diff] [blame]1237 if (!strcmp(var, "core.hidedotfiles")) {
1238 if (value && !strcasecmp(value, "dotgitonly"))
1239 hide_dotfiles = HIDE_DOTFILES_DOTGITONLY;
1240 else
1241 hide_dotfiles = git_config_bool(var, value);
1242 return 0;
1243 }
1244
Linus Torvalds806e2ad2008-06-18 21:37:18[diff] [blame]1245 /* Add other config variables here and to Documentation/config.txt. */
1246 return 0;
1247}
1248
Linus Torvalds1141f492008-06-18 22:00:11[diff] [blame]1249static int git_default_i18n_config(const char *var, const char *value)
Linus Torvaldsd1364522008-06-18 21:40:35[diff] [blame]1250{
Christian Couderea5105a2008-02-16 05:00:24[diff] [blame]1251 if (!strcmp(var, "i18n.commitencoding"))
1252 return git_config_string(&git_commit_encoding, var, value);
Junio C Hamano4e72dce2005-11-28 00:09:40[diff] [blame]1253
Christian Couderea5105a2008-02-16 05:00:24[diff] [blame]1254 if (!strcmp(var, "i18n.logoutputencoding"))
1255 return git_config_string(&git_log_output_encoding, var, value);
Junio C Hamanod2c11a32006-12-28 00:41:33[diff] [blame]1256
Linus Torvalds1141f492008-06-18 22:00:11[diff] [blame]1257 /* Add other config variables here and to Documentation/config.txt. */
1258 return 0;
1259}
Matthias Lederhoferaa086eb2006-07-29 22:27:43[diff] [blame]1260
Linus Torvalds1141f492008-06-18 22:00:11[diff] [blame]1261static int git_default_branch_config(const char *var, const char *value)
1262{
Jay Soffian9ed36cf2008-02-19 16:24:37[diff] [blame]1263 if (!strcmp(var, "branch.autosetupmerge")) {
1264 if (value && !strcasecmp(value, "always")) {
1265 git_branch_track = BRANCH_TRACK_ALWAYS;
1266 return 0;
1267 }
1268 git_branch_track = git_config_bool(var, value);
1269 return 0;
1270 }
Dustin Sallingsc998ae92008-05-10 22:36:29[diff] [blame]1271 if (!strcmp(var, "branch.autosetuprebase")) {
1272 if (!value)
1273 return config_error_nonbool(var);
1274 else if (!strcmp(value, "never"))
1275 autorebase = AUTOREBASE_NEVER;
1276 else if (!strcmp(value, "local"))
1277 autorebase = AUTOREBASE_LOCAL;
1278 else if (!strcmp(value, "remote"))
1279 autorebase = AUTOREBASE_REMOTE;
1280 else if (!strcmp(value, "always"))
1281 autorebase = AUTOREBASE_ALWAYS;
1282 else
Jeff King8c3ca352016-04-09 17:42:31[diff] [blame]1283 return error("malformed value for %s", var);
Dustin Sallingsc998ae92008-05-10 22:36:29[diff] [blame]1284 return 0;
1285 }
Junio C Hamanoa9cc8572007-11-02 07:24:27[diff] [blame]1286
Petr Baudis1ab661d2006-04-24 22:59:33[diff] [blame]1287 /* Add other config variables here and to Documentation/config.txt. */
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]1288 return 0;
1289}
1290
Finn Arne Gangstad52153742009-03-16 15:42:51[diff] [blame]1291static int git_default_push_config(const char *var, const char *value)
1292{
1293 if (!strcmp(var, "push.default")) {
1294 if (!value)
1295 return config_error_nonbool(var);
1296 else if (!strcmp(value, "nothing"))
1297 push_default = PUSH_DEFAULT_NOTHING;
1298 else if (!strcmp(value, "matching"))
1299 push_default = PUSH_DEFAULT_MATCHING;
Matthieu Moyb55e67752012-04-24 07:50:03[diff] [blame]1300 else if (!strcmp(value, "simple"))
1301 push_default = PUSH_DEFAULT_SIMPLE;
Johan Herland53c40312011-02-16 00:54:24[diff] [blame]1302 else if (!strcmp(value, "upstream"))
1303 push_default = PUSH_DEFAULT_UPSTREAM;
1304 else if (!strcmp(value, "tracking")) /* deprecated */
1305 push_default = PUSH_DEFAULT_UPSTREAM;
Finn Arne Gangstad52153742009-03-16 15:42:51[diff] [blame]1306 else if (!strcmp(value, "current"))
1307 push_default = PUSH_DEFAULT_CURRENT;
1308 else {
Jeff King8c3ca352016-04-09 17:42:31[diff] [blame]1309 error("malformed value for %s: %s", var, value);
Matthieu Moyb55e67752012-04-24 07:50:03[diff] [blame]1310 return error("Must be one of nothing, matching, simple, "
1311 "upstream or current.");
Finn Arne Gangstad52153742009-03-16 15:42:51[diff] [blame]1312 }
1313 return 0;
1314 }
1315
1316 /* Add other config variables here and to Documentation/config.txt. */
1317 return 0;
1318}
1319
Marius Storm-Olsend551a482009-02-08 14:34:27[diff] [blame]1320static int git_default_mailmap_config(const char *var, const char *value)
1321{
1322 if (!strcmp(var, "mailmap.file"))
Øystein Walle9352fd52014-05-27 08:45:58[diff] [blame]1323 return git_config_pathname(&git_mailmap_file, var, value);
Jeff King08610902012-12-12 11:04:04[diff] [blame]1324 if (!strcmp(var, "mailmap.blob"))
1325 return git_config_string(&git_mailmap_blob, var, value);
Marius Storm-Olsend551a482009-02-08 14:34:27[diff] [blame]1326
1327 /* Add other config variables here and to Documentation/config.txt. */
1328 return 0;
1329}
1330
Linus Torvalds1141f492008-06-18 22:00:11[diff] [blame]1331int git_default_config(const char *var, const char *value, void *dummy)
1332{
Christian Couder59556542013-11-30 20:55:40[diff] [blame]1333 if (starts_with(var, "core."))
Linus Torvalds1141f492008-06-18 22:00:11[diff] [blame]1334 return git_default_core_config(var, value);
1335
Christian Couder59556542013-11-30 20:55:40[diff] [blame]1336 if (starts_with(var, "user."))
Jeff King95979212012-05-21 23:09:54[diff] [blame]1337 return git_ident_config(var, value, dummy);
Linus Torvalds1141f492008-06-18 22:00:11[diff] [blame]1338
Christian Couder59556542013-11-30 20:55:40[diff] [blame]1339 if (starts_with(var, "i18n."))
Linus Torvalds1141f492008-06-18 22:00:11[diff] [blame]1340 return git_default_i18n_config(var, value);
1341
Christian Couder59556542013-11-30 20:55:40[diff] [blame]1342 if (starts_with(var, "branch."))
Linus Torvalds1141f492008-06-18 22:00:11[diff] [blame]1343 return git_default_branch_config(var, value);
1344
Christian Couder59556542013-11-30 20:55:40[diff] [blame]1345 if (starts_with(var, "push."))
Finn Arne Gangstad52153742009-03-16 15:42:51[diff] [blame]1346 return git_default_push_config(var, value);
1347
Christian Couder59556542013-11-30 20:55:40[diff] [blame]1348 if (starts_with(var, "mailmap."))
Marius Storm-Olsend551a482009-02-08 14:34:27[diff] [blame]1349 return git_default_mailmap_config(var, value);
1350
Christian Couder59556542013-11-30 20:55:40[diff] [blame]1351 if (starts_with(var, "advice."))
Jeff King75194432009-09-09 11:38:58[diff] [blame]1352 return git_default_advice_config(var, value);
1353
Jeff King136c8c82017-07-13 15:07:03[diff] [blame]1354 if (git_color_config(var, value, dummy) < 0)
1355 return -1;
1356
Linus Torvalds1141f492008-06-18 22:00:11[diff] [blame]1357 if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
1358 pager_use_color = git_config_bool(var,value);
1359 return 0;
1360 }
1361
Junio C Hamano568508e2011-10-28 21:48:40[diff] [blame]1362 if (!strcmp(var, "pack.packsizelimit")) {
1363 pack_size_limit_cfg = git_config_ulong(var, value);
1364 return 0;
1365 }
Junio C Hamano8de7eeb2016-11-16 01:42:40[diff] [blame]1366
1367 if (!strcmp(var, "pack.compression")) {
1368 int level = git_config_int(var, value);
1369 if (level == -1)
1370 level = Z_DEFAULT_COMPRESSION;
1371 else if (level < 0 || level > Z_BEST_COMPRESSION)
1372 die(_("bad pack compression level %d"), level);
1373 pack_compression_level = level;
1374 pack_compression_seen = 1;
1375 return 0;
1376 }
1377
Linus Torvalds1141f492008-06-18 22:00:11[diff] [blame]1378 /* Add other config variables here and to Documentation/config.txt. */
1379 return 0;
1380}
1381
Heiko Voigtca4b5de2013-05-11 13:18:52[diff] [blame]1382/*
Heiko Voigtb2dc0942013-07-11 22:48:30[diff] [blame]1383 * All source specific fields in the union, die_on_error, name and the callbacks
Heiko Voigt4d8dd142013-07-11 22:44:39[diff] [blame]1384 * fgetc, ungetc, ftell of top need to be initialized before calling
Heiko Voigtca4b5de2013-05-11 13:18:52[diff] [blame]1385 * this function.
1386 */
Heiko Voigt4d8dd142013-07-11 22:44:39[diff] [blame]1387static int do_config_from(struct config_source *top, config_fn_t fn, void *data)
Heiko Voigtca4b5de2013-05-11 13:18:52[diff] [blame]1388{
1389 int ret;
1390
1391 /* push config-file parsing state stack */
1392 top->prev = cf;
1393 top->linenr = 1;
1394 top->eof = 0;
1395 strbuf_init(&top->value, 1024);
1396 strbuf_init(&top->var, 1024);
1397 cf = top;
1398
Heiko Voigt4d8dd142013-07-11 22:44:39[diff] [blame]1399 ret = git_parse_source(fn, data);
Heiko Voigtca4b5de2013-05-11 13:18:52[diff] [blame]1400
1401 /* pop config-file parsing state stack */
1402 strbuf_release(&top->value);
1403 strbuf_release(&top->var);
1404 cf = top->prev;
1405
1406 return ret;
1407}
1408
Kirill A. Shutemov3caec732014-02-18 22:58:55[diff] [blame]1409static int do_config_from_file(config_fn_t fn,
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]1410 const enum config_origin_type origin_type,
1411 const char *name, const char *path, FILE *f,
Lars Schneider473166b2016-02-19 09:16:01[diff] [blame]1412 void *data)
Kirill A. Shutemov3caec732014-02-18 22:58:55[diff] [blame]1413{
1414 struct config_source top;
1415
1416 top.u.file = f;
Lars Schneider473166b2016-02-19 09:16:01[diff] [blame]1417 top.origin_type = origin_type;
Kirill A. Shutemov3caec732014-02-18 22:58:55[diff] [blame]1418 top.name = name;
1419 top.path = path;
1420 top.die_on_error = 1;
1421 top.do_fgetc = config_file_fgetc;
1422 top.do_ungetc = config_file_ungetc;
1423 top.do_ftell = config_file_ftell;
1424
1425 return do_config_from(&top, fn, data);
1426}
1427
1428static int git_config_from_stdin(config_fn_t fn, void *data)
1429{
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]1430 return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, data);
Kirill A. Shutemov3caec732014-02-18 22:58:55[diff] [blame]1431}
1432
Johannes Schindelinef90d6d2008-05-14 17:46:53[diff] [blame]1433int git_config_from_file(config_fn_t fn, const char *filename, void *data)
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]1434{
Kirill A. Shutemov3caec732014-02-18 22:58:55[diff] [blame]1435 int ret = -1;
1436 FILE *f;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]1437
Nguyễn Thái Ngọc Duye9d983f2017-05-03 10:16:50[diff] [blame]1438 f = fopen_or_warn(filename, "r");
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]1439 if (f) {
Jeff King260d4082015-04-16 08:51:18[diff] [blame]1440 flockfile(f);
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]1441 ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data);
Jeff King260d4082015-04-16 08:51:18[diff] [blame]1442 funlockfile(f);
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]1443 fclose(f);
1444 }
1445 return ret;
1446}
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]1447
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]1448int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_type,
Lars Schneider473166b2016-02-19 09:16:01[diff] [blame]1449 const char *name, const char *buf, size_t len, void *data)
Heiko Voigt1bc88812013-07-11 22:46:47[diff] [blame]1450{
1451 struct config_source top;
1452
1453 top.u.buf.buf = buf;
1454 top.u.buf.len = len;
1455 top.u.buf.pos = 0;
Lars Schneider473166b2016-02-19 09:16:01[diff] [blame]1456 top.origin_type = origin_type;
Heiko Voigt1bc88812013-07-11 22:46:47[diff] [blame]1457 top.name = name;
Jeff Kingd14d4242014-02-18 22:58:52[diff] [blame]1458 top.path = NULL;
Heiko Voigtb2dc0942013-07-11 22:48:30[diff] [blame]1459 top.die_on_error = 0;
Jeff King49d6cfa2013-08-26 21:57:18[diff] [blame]1460 top.do_fgetc = config_buf_fgetc;
1461 top.do_ungetc = config_buf_ungetc;
1462 top.do_ftell = config_buf_ftell;
Heiko Voigt1bc88812013-07-11 22:46:47[diff] [blame]1463
1464 return do_config_from(&top, fn, data);
1465}
1466
Brandon Williams9ebf6892016-12-16 19:03:18[diff] [blame]1467int git_config_from_blob_sha1(config_fn_t fn,
1468 const char *name,
1469 const unsigned char *sha1,
1470 void *data)
Heiko Voigt1bc88812013-07-11 22:46:47[diff] [blame]1471{
1472 enum object_type type;
1473 char *buf;
1474 unsigned long size;
1475 int ret;
1476
1477 buf = read_sha1_file(sha1, &type, &size);
1478 if (!buf)
1479 return error("unable to load config blob object '%s'", name);
1480 if (type != OBJ_BLOB) {
1481 free(buf);
1482 return error("reference '%s' does not point to a blob", name);
1483 }
1484
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]1485 ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data);
Heiko Voigt1bc88812013-07-11 22:46:47[diff] [blame]1486 free(buf);
1487
1488 return ret;
1489}
1490
1491static int git_config_from_blob_ref(config_fn_t fn,
1492 const char *name,
1493 void *data)
1494{
1495 unsigned char sha1[20];
1496
1497 if (get_sha1(name, sha1) < 0)
1498 return error("unable to resolve config blob '%s'", name);
1499 return git_config_from_blob_sha1(fn, name, sha1, data);
1500}
1501
Johannes Sixt506b17b2007-11-13 20:05:05[diff] [blame]1502const char *git_etc_gitconfig(void)
1503{
Johannes Sixt7f0e39f2007-11-13 20:05:06[diff] [blame]1504 static const char *system_wide;
Steffen Prohaska2de9de52008-07-13 20:31:18[diff] [blame]1505 if (!system_wide)
1506 system_wide = system_path(ETC_GITCONFIG);
Johannes Sixt7f0e39f2007-11-13 20:05:06[diff] [blame]1507 return system_wide;
Johannes Sixt506b17b2007-11-13 20:05:05[diff] [blame]1508}
1509
Steffen Prohaska23b0c472014-08-26 15:23:21[diff] [blame]1510/*
1511 * Parse environment variable 'k' as a boolean (in various
1512 * possible spellings); if missing, use the default value 'def'.
1513 */
Lars R. Damerow0ef37162010-03-17 19:55:51[diff] [blame]1514int git_env_bool(const char *k, int def)
Jeff Kingab88c362008-02-06 10:11:18[diff] [blame]1515{
1516 const char *v = getenv(k);
1517 return v ? git_config_bool(k, v) : def;
1518}
1519
Steffen Prohaska23b0c472014-08-26 15:23:21[diff] [blame]1520/*
1521 * Parse environment variable 'k' as ulong with possibly a unit
1522 * suffix; if missing, use the default value 'val'.
1523 */
1524unsigned long git_env_ulong(const char *k, unsigned long val)
1525{
1526 const char *v = getenv(k);
1527 if (v && !git_parse_ulong(v, &val))
1528 die("failed to parse %s", k);
1529 return val;
1530}
1531
Jeff Kingab88c362008-02-06 10:11:18[diff] [blame]1532int git_config_system(void)
1533{
1534 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
1535}
1536
Nguyễn Thái Ngọc Duye145a0b2017-04-17 10:10:02[diff] [blame]1537static int do_git_config_sequence(const struct config_options *opts,
1538 config_fn_t fn, void *data)
Junio C Hamano4f629532005-11-26 00:03:56[diff] [blame]1539{
Jeff Kingc72ee442016-05-18 22:39:02[diff] [blame]1540 int ret = 0;
Paul Tan509adc32015-05-06 08:01:03[diff] [blame]1541 char *xdg_config = xdg_config_home("config");
Nguyễn Thái Ngọc Duy4aad2f12017-04-05 10:24:38[diff] [blame]1542 char *user_config = expand_user_path("~/.gitconfig", 0);
Nguyễn Thái Ngọc Duye145a0b2017-04-17 10:10:02[diff] [blame]1543 char *repo_config;
1544
Brandon Williamsa577fb52017-06-14 18:07:38[diff] [blame]1545 if (opts->commondir)
1546 repo_config = mkpathdup("%s/config", opts->commondir);
Nguyễn Thái Ngọc Duye145a0b2017-04-17 10:10:02[diff] [blame]1547 else
1548 repo_config = NULL;
Johannes Schindelin5f1a63e2006-06-19 23:48:03[diff] [blame]1549
Jeff King9acc5912016-05-18 22:44:23[diff] [blame]1550 current_parsing_scope = CONFIG_SCOPE_SYSTEM;
Jeff Kingc72ee442016-05-18 22:39:02[diff] [blame]1551 if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0))
Daniel Barkalowdc871832008-06-30 07:37:47[diff] [blame]1552 ret += git_config_from_file(fn, git_etc_gitconfig(),
1553 data);
Johannes Schindelin5f1a63e2006-06-19 23:48:03[diff] [blame]1554
Jeff King9acc5912016-05-18 22:44:23[diff] [blame]1555 current_parsing_scope = CONFIG_SCOPE_GLOBAL;
Jeff Kingc72ee442016-05-18 22:39:02[diff] [blame]1556 if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK))
Huynh Khoi Nguyen Nguyen21cf3222012-06-22 09:03:23[diff] [blame]1557 ret += git_config_from_file(fn, xdg_config, data);
Huynh Khoi Nguyen Nguyen21cf3222012-06-22 09:03:23[diff] [blame]1558
Jeff Kingc72ee442016-05-18 22:39:02[diff] [blame]1559 if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK))
Huynh Khoi Nguyen Nguyen21cf3222012-06-22 09:03:23[diff] [blame]1560 ret += git_config_from_file(fn, user_config, data);
Johannes Schindelin5f1a63e2006-06-19 23:48:03[diff] [blame]1561
Jeff King9acc5912016-05-18 22:44:23[diff] [blame]1562 current_parsing_scope = CONFIG_SCOPE_REPO;
Jeff Kingc72ee442016-05-18 22:39:02[diff] [blame]1563 if (repo_config && !access_or_die(repo_config, R_OK, 0))
Felipe Contrerasaa387402009-02-21 00:48:55[diff] [blame]1564 ret += git_config_from_file(fn, repo_config, data);
Alex Riesen8b1fa772010-03-26 22:53:57[diff] [blame]1565
Jeff King9acc5912016-05-18 22:44:23[diff] [blame]1566 current_parsing_scope = CONFIG_SCOPE_CMDLINE;
Jeff Kingc72ee442016-05-18 22:39:02[diff] [blame]1567 if (git_config_from_parameters(fn, data) < 0)
Matthieu Moy8262aaa2014-08-07 11:59:12[diff] [blame]1568 die(_("unable to parse command-line config"));
Alex Riesen8b1fa772010-03-26 22:53:57[diff] [blame]1569
Jeff King9acc5912016-05-18 22:44:23[diff] [blame]1570 current_parsing_scope = CONFIG_SCOPE_UNKNOWN;
Huynh Khoi Nguyen Nguyen21cf3222012-06-22 09:03:23[diff] [blame]1571 free(xdg_config);
1572 free(user_config);
Jeff King80181862016-03-11 22:37:03[diff] [blame]1573 free(repo_config);
Jeff Kingc72ee442016-05-18 22:39:02[diff] [blame]1574 return ret;
Junio C Hamano4f629532005-11-26 00:03:56[diff] [blame]1575}
1576
Brandon Williamsdc8441f2017-06-14 18:07:39[diff] [blame]1577int config_with_options(config_fn_t fn, void *data,
1578 struct git_config_source *config_source,
1579 const struct config_options *opts)
Nguyễn Thái Ngọc Duydbdf5852010-11-26 15:32:33[diff] [blame]1580{
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]1581 struct config_include_data inc = CONFIG_INCLUDE_INIT;
1582
Nguyễn Thái Ngọc Duyc48f4b32017-04-17 10:10:00[diff] [blame]1583 if (opts->respect_includes) {
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]1584 inc.fn = fn;
1585 inc.data = data;
Nguyễn Thái Ngọc Duyc48f4b32017-04-17 10:10:00[diff] [blame]1586 inc.opts = opts;
Jeff King9b25a0b2012-02-06 09:54:04[diff] [blame]1587 fn = git_config_include;
1588 data = &inc;
1589 }
Nguyễn Thái Ngọc Duydbdf5852010-11-26 15:32:33[diff] [blame]1590
Jeff Kingc9b5e2a2012-02-16 08:05:56[diff] [blame]1591 /*
1592 * If we have a specific filename, use it. Otherwise, follow the
1593 * regular lookup sequence.
1594 */
Kirill A. Shutemov3caec732014-02-18 22:58:55[diff] [blame]1595 if (config_source && config_source->use_stdin)
1596 return git_config_from_stdin(fn, data);
1597 else if (config_source && config_source->file)
Kirill A. Shutemovc8985ce2014-02-18 22:58:54[diff] [blame]1598 return git_config_from_file(fn, config_source->file, data);
1599 else if (config_source && config_source->blob)
1600 return git_config_from_blob_ref(fn, config_source->blob, data);
Jeff Kingc9b5e2a2012-02-16 08:05:56[diff] [blame]1601
Nguyễn Thái Ngọc Duye145a0b2017-04-17 10:10:02[diff] [blame]1602 return do_git_config_sequence(opts, fn, data);
Nguyễn Thái Ngọc Duydbdf5852010-11-26 15:32:33[diff] [blame]1603}
1604
Tanay Abhra155ef252014-08-07 11:59:17[diff] [blame]1605static void configset_iter(struct config_set *cs, config_fn_t fn, void *data)
1606{
1607 int i, value_index;
1608 struct string_list *values;
1609 struct config_set_element *entry;
1610 struct configset_list *list = &cs->list;
Tanay Abhra155ef252014-08-07 11:59:17[diff] [blame]1611
1612 for (i = 0; i < list->nr; i++) {
1613 entry = list->items[i].e;
1614 value_index = list->items[i].value_index;
1615 values = &entry->value_list;
Jeff King0d44a2d2016-05-27 00:32:23[diff] [blame]1616
1617 current_config_kvi = values->items[value_index].util;
1618
1619 if (fn(entry->key, values->items[value_index].string, data) < 0)
1620 git_die_config_linenr(entry->key,
1621 current_config_kvi->filename,
1622 current_config_kvi->linenr);
1623
1624 current_config_kvi = NULL;
Tanay Abhra155ef252014-08-07 11:59:17[diff] [blame]1625 }
1626}
1627
Johannes Schindelin0654aa52017-03-13 20:11:04[diff] [blame]1628void read_early_config(config_fn_t cb, void *data)
1629{
Nguyễn Thái Ngọc Duyc48f4b32017-04-17 10:10:00[diff] [blame]1630 struct config_options opts = {0};
Brandon Williamsd3fb71b2017-06-14 18:07:37[diff] [blame]1631 struct strbuf commondir = STRBUF_INIT;
1632 struct strbuf gitdir = STRBUF_INIT;
Johannes Schindelin1a274092017-03-13 20:11:12[diff] [blame]1633
Nguyễn Thái Ngọc Duyc48f4b32017-04-17 10:10:00[diff] [blame]1634 opts.respect_includes = 1;
Johannes Schindelin0654aa52017-03-13 20:11:04[diff] [blame]1635
Brandon Williamsa577fb52017-06-14 18:07:38[diff] [blame]1636 if (have_git_dir()) {
1637 opts.commondir = get_git_common_dir();
Nguyễn Thái Ngọc Duy2185fde2017-04-17 10:10:01[diff] [blame]1638 opts.git_dir = get_git_dir();
Johannes Schindelin0654aa52017-03-13 20:11:04[diff] [blame]1639 /*
Johannes Schindelin1a274092017-03-13 20:11:12[diff] [blame]1640 * When setup_git_directory() was not yet asked to discover the
1641 * GIT_DIR, we ask discover_git_directory() to figure out whether there
1642 * is any repository config we should use (but unlike
1643 * setup_git_directory_gently(), no global state is changed, most
1644 * notably, the current working directory is still the same after the
1645 * call).
Johannes Schindelin0654aa52017-03-13 20:11:04[diff] [blame]1646 */
Brandon Williamsa577fb52017-06-14 18:07:38[diff] [blame]1647 } else if (!discover_git_directory(&commondir, &gitdir)) {
1648 opts.commondir = commondir.buf;
Brandon Williamsd3fb71b2017-06-14 18:07:37[diff] [blame]1649 opts.git_dir = gitdir.buf;
Brandon Williamsa577fb52017-06-14 18:07:38[diff] [blame]1650 }
Johannes Schindelin0654aa52017-03-13 20:11:04[diff] [blame]1651
Brandon Williamsdc8441f2017-06-14 18:07:39[diff] [blame]1652 config_with_options(cb, data, NULL, &opts);
Nguyễn Thái Ngọc Duy2185fde2017-04-17 10:10:01[diff] [blame]1653
Brandon Williamsd3fb71b2017-06-14 18:07:37[diff] [blame]1654 strbuf_release(&commondir);
1655 strbuf_release(&gitdir);
Johannes Schindelin0654aa52017-03-13 20:11:04[diff] [blame]1656}
1657
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1658static struct config_set_element *configset_find_element(struct config_set *cs, const char *key)
1659{
1660 struct config_set_element k;
1661 struct config_set_element *found_entry;
1662 char *normalized_key;
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1663 /*
1664 * `key` may come from the user, so normalize it before using it
1665 * for querying entries from the hashmap.
1666 */
Stefan Beller270cd9e2016-04-27 21:30:39[diff] [blame]1667 if (git_config_parse_key(key, &normalized_key, NULL))
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1668 return NULL;
1669
1670 hashmap_entry_init(&k, strhash(normalized_key));
1671 k.key = normalized_key;
1672 found_entry = hashmap_get(&cs->config_hash, &k, NULL);
1673 free(normalized_key);
1674 return found_entry;
1675}
1676
1677static int configset_add_value(struct config_set *cs, const char *key, const char *value)
1678{
1679 struct config_set_element *e;
Tanay Abhra3df8fd62014-08-07 11:59:14[diff] [blame]1680 struct string_list_item *si;
Tanay Abhra155ef252014-08-07 11:59:17[diff] [blame]1681 struct configset_list_item *l_item;
Tanay Abhra3df8fd62014-08-07 11:59:14[diff] [blame]1682 struct key_value_info *kv_info = xmalloc(sizeof(*kv_info));
1683
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1684 e = configset_find_element(cs, key);
1685 /*
1686 * Since the keys are being fed by git_config*() callback mechanism, they
1687 * are already normalized. So simply add them without any further munging.
1688 */
1689 if (!e) {
1690 e = xmalloc(sizeof(*e));
1691 hashmap_entry_init(e, strhash(key));
1692 e->key = xstrdup(key);
1693 string_list_init(&e->value_list, 1);
1694 hashmap_add(&cs->config_hash, e);
1695 }
Jeff King8c53f072015-01-13 01:59:09[diff] [blame]1696 si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value));
Tanay Abhra155ef252014-08-07 11:59:17[diff] [blame]1697
1698 ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc);
1699 l_item = &cs->list.items[cs->list.nr++];
1700 l_item->e = e;
1701 l_item->value_index = e->value_list.nr - 1;
1702
Jeff King32582582016-05-18 22:41:08[diff] [blame]1703 if (!cf)
1704 die("BUG: configset_add_value has no source");
1705 if (cf->name) {
Tanay Abhra3df8fd62014-08-07 11:59:14[diff] [blame]1706 kv_info->filename = strintern(cf->name);
1707 kv_info->linenr = cf->linenr;
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]1708 kv_info->origin_type = cf->origin_type;
Tanay Abhra3df8fd62014-08-07 11:59:14[diff] [blame]1709 } else {
1710 /* for values read from `git_config_from_parameters()` */
1711 kv_info->filename = NULL;
1712 kv_info->linenr = -1;
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]1713 kv_info->origin_type = CONFIG_ORIGIN_CMDLINE;
Tanay Abhra3df8fd62014-08-07 11:59:14[diff] [blame]1714 }
Jeff King9acc5912016-05-18 22:44:23[diff] [blame]1715 kv_info->scope = current_parsing_scope;
Tanay Abhra3df8fd62014-08-07 11:59:14[diff] [blame]1716 si->util = kv_info;
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1717
1718 return 0;
1719}
1720
Stefan Beller7663cdc2017-06-30 19:14:05[diff] [blame]1721static int config_set_element_cmp(const void *unused_cmp_data,
1722 const struct config_set_element *e1,
1723 const struct config_set_element *e2,
1724 const void *unused_keydata)
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1725{
1726 return strcmp(e1->key, e2->key);
1727}
1728
1729void git_configset_init(struct config_set *cs)
1730{
Stefan Beller7663cdc2017-06-30 19:14:05[diff] [blame]1731 hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp,
1732 NULL, 0);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1733 cs->hash_initialized = 1;
Tanay Abhra155ef252014-08-07 11:59:17[diff] [blame]1734 cs->list.nr = 0;
1735 cs->list.alloc = 0;
1736 cs->list.items = NULL;
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1737}
1738
1739void git_configset_clear(struct config_set *cs)
1740{
1741 struct config_set_element *entry;
1742 struct hashmap_iter iter;
1743 if (!cs->hash_initialized)
1744 return;
1745
1746 hashmap_iter_init(&cs->config_hash, &iter);
1747 while ((entry = hashmap_iter_next(&iter))) {
1748 free(entry->key);
Tanay Abhra3df8fd62014-08-07 11:59:14[diff] [blame]1749 string_list_clear(&entry->value_list, 1);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1750 }
1751 hashmap_free(&cs->config_hash, 1);
1752 cs->hash_initialized = 0;
Tanay Abhra155ef252014-08-07 11:59:17[diff] [blame]1753 free(cs->list.items);
1754 cs->list.nr = 0;
1755 cs->list.alloc = 0;
1756 cs->list.items = NULL;
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1757}
1758
1759static int config_set_callback(const char *key, const char *value, void *cb)
1760{
1761 struct config_set *cs = cb;
1762 configset_add_value(cs, key, value);
1763 return 0;
1764}
1765
1766int git_configset_add_file(struct config_set *cs, const char *filename)
1767{
1768 return git_config_from_file(config_set_callback, filename, cs);
1769}
1770
1771int git_configset_get_value(struct config_set *cs, const char *key, const char **value)
1772{
1773 const struct string_list *values = NULL;
1774 /*
1775 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
1776 * queried key in the files of the configset, the value returned will be the last
1777 * value in the value list for that key.
1778 */
1779 values = git_configset_get_value_multi(cs, key);
1780
1781 if (!values)
1782 return 1;
1783 assert(values->nr > 0);
1784 *value = values->items[values->nr - 1].string;
1785 return 0;
1786}
1787
1788const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key)
1789{
1790 struct config_set_element *e = configset_find_element(cs, key);
1791 return e ? &e->value_list : NULL;
1792}
1793
1794int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest)
1795{
1796 const char *value;
1797 if (!git_configset_get_value(cs, key, &value))
1798 return git_config_string(dest, key, value);
1799 else
1800 return 1;
1801}
1802
1803int git_configset_get_string(struct config_set *cs, const char *key, char **dest)
1804{
1805 return git_configset_get_string_const(cs, key, (const char **)dest);
1806}
1807
1808int git_configset_get_int(struct config_set *cs, const char *key, int *dest)
1809{
1810 const char *value;
1811 if (!git_configset_get_value(cs, key, &value)) {
1812 *dest = git_config_int(key, value);
1813 return 0;
1814 } else
1815 return 1;
1816}
1817
1818int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest)
1819{
1820 const char *value;
1821 if (!git_configset_get_value(cs, key, &value)) {
1822 *dest = git_config_ulong(key, value);
1823 return 0;
1824 } else
1825 return 1;
1826}
1827
1828int git_configset_get_bool(struct config_set *cs, const char *key, int *dest)
1829{
1830 const char *value;
1831 if (!git_configset_get_value(cs, key, &value)) {
1832 *dest = git_config_bool(key, value);
1833 return 0;
1834 } else
1835 return 1;
1836}
1837
1838int git_configset_get_bool_or_int(struct config_set *cs, const char *key,
1839 int *is_bool, int *dest)
1840{
1841 const char *value;
1842 if (!git_configset_get_value(cs, key, &value)) {
1843 *dest = git_config_bool_or_int(key, value, is_bool);
1844 return 0;
1845 } else
1846 return 1;
1847}
1848
1849int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest)
1850{
1851 const char *value;
1852 if (!git_configset_get_value(cs, key, &value)) {
1853 *dest = git_config_maybe_bool(key, value);
1854 if (*dest == -1)
1855 return -1;
1856 return 0;
1857 } else
1858 return 1;
1859}
1860
1861int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest)
1862{
1863 const char *value;
1864 if (!git_configset_get_value(cs, key, &value))
1865 return git_config_pathname(dest, key, value);
1866 else
1867 return 1;
1868}
1869
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]1870/* Functions use to read configuration from a repository */
1871static void repo_read_config(struct repository *repo)
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1872{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]1873 struct config_options opts;
1874
1875 opts.respect_includes = 1;
1876 opts.commondir = repo->commondir;
1877 opts.git_dir = repo->gitdir;
1878
1879 if (!repo->config)
1880 repo->config = xcalloc(1, sizeof(struct config_set));
1881 else
1882 git_configset_clear(repo->config);
1883
1884 git_configset_init(repo->config);
1885
1886 if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0)
1887 /*
1888 * config_with_options() normally returns only
1889 * zero, as most errors are fatal, and
1890 * non-fatal potential errors are guarded by "if"
1891 * statements that are entered only when no error is
1892 * possible.
1893 *
1894 * If we ever encounter a non-fatal error, it means
1895 * something went really wrong and we should stop
1896 * immediately.
1897 */
1898 die(_("unknown error occurred while reading the configuration files"));
1899}
1900
1901static void git_config_check_init(struct repository *repo)
1902{
1903 if (repo->config && repo->config->hash_initialized)
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]1904 return;
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]1905 repo_read_config(repo);
1906}
1907
1908static void repo_config_clear(struct repository *repo)
1909{
1910 if (!repo->config || !repo->config->hash_initialized)
1911 return;
1912 git_configset_clear(repo->config);
1913}
1914
1915void repo_config(struct repository *repo, config_fn_t fn, void *data)
1916{
1917 git_config_check_init(repo);
1918 configset_iter(repo->config, fn, data);
1919}
1920
1921int repo_config_get_value(struct repository *repo,
1922 const char *key, const char **value)
1923{
1924 git_config_check_init(repo);
1925 return git_configset_get_value(repo->config, key, value);
1926}
1927
1928const struct string_list *repo_config_get_value_multi(struct repository *repo,
1929 const char *key)
1930{
1931 git_config_check_init(repo);
1932 return git_configset_get_value_multi(repo->config, key);
1933}
1934
1935int repo_config_get_string_const(struct repository *repo,
1936 const char *key, const char **dest)
1937{
1938 int ret;
1939 git_config_check_init(repo);
1940 ret = git_configset_get_string_const(repo->config, key, dest);
1941 if (ret < 0)
1942 git_die_config(key, NULL);
1943 return ret;
1944}
1945
1946int repo_config_get_string(struct repository *repo,
1947 const char *key, char **dest)
1948{
1949 git_config_check_init(repo);
1950 return repo_config_get_string_const(repo, key, (const char **)dest);
1951}
1952
1953int repo_config_get_int(struct repository *repo,
1954 const char *key, int *dest)
1955{
1956 git_config_check_init(repo);
1957 return git_configset_get_int(repo->config, key, dest);
1958}
1959
1960int repo_config_get_ulong(struct repository *repo,
1961 const char *key, unsigned long *dest)
1962{
1963 git_config_check_init(repo);
1964 return git_configset_get_ulong(repo->config, key, dest);
1965}
1966
1967int repo_config_get_bool(struct repository *repo,
1968 const char *key, int *dest)
1969{
1970 git_config_check_init(repo);
1971 return git_configset_get_bool(repo->config, key, dest);
1972}
1973
1974int repo_config_get_bool_or_int(struct repository *repo,
1975 const char *key, int *is_bool, int *dest)
1976{
1977 git_config_check_init(repo);
1978 return git_configset_get_bool_or_int(repo->config, key, is_bool, dest);
1979}
1980
1981int repo_config_get_maybe_bool(struct repository *repo,
1982 const char *key, int *dest)
1983{
1984 git_config_check_init(repo);
1985 return git_configset_get_maybe_bool(repo->config, key, dest);
1986}
1987
1988int repo_config_get_pathname(struct repository *repo,
1989 const char *key, const char **dest)
1990{
1991 int ret;
1992 git_config_check_init(repo);
1993 ret = git_configset_get_pathname(repo->config, key, dest);
1994 if (ret < 0)
1995 git_die_config(key, NULL);
1996 return ret;
1997}
1998
1999/* Functions used historically to read configuration from 'the_repository' */
2000void git_config(config_fn_t fn, void *data)
2001{
2002 repo_config(the_repository, fn, data);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2003}
2004
2005void git_config_clear(void)
2006{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]2007 repo_config_clear(the_repository);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2008}
2009
2010int git_config_get_value(const char *key, const char **value)
2011{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]2012 return repo_config_get_value(the_repository, key, value);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2013}
2014
2015const struct string_list *git_config_get_value_multi(const char *key)
2016{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]2017 return repo_config_get_value_multi(the_repository, key);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2018}
2019
2020int git_config_get_string_const(const char *key, const char **dest)
2021{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]2022 return repo_config_get_string_const(the_repository, key, dest);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2023}
2024
2025int git_config_get_string(const char *key, char **dest)
2026{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]2027 return repo_config_get_string(the_repository, key, dest);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2028}
2029
2030int git_config_get_int(const char *key, int *dest)
2031{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]2032 return repo_config_get_int(the_repository, key, dest);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2033}
2034
2035int git_config_get_ulong(const char *key, unsigned long *dest)
2036{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]2037 return repo_config_get_ulong(the_repository, key, dest);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2038}
2039
2040int git_config_get_bool(const char *key, int *dest)
2041{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]2042 return repo_config_get_bool(the_repository, key, dest);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2043}
2044
2045int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest)
2046{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]2047 return repo_config_get_bool_or_int(the_repository, key, is_bool, dest);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2048}
2049
2050int git_config_get_maybe_bool(const char *key, int *dest)
2051{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]2052 return repo_config_get_maybe_bool(the_repository, key, dest);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2053}
2054
2055int git_config_get_pathname(const char *key, const char **dest)
2056{
Brandon Williams3b256222017-06-22 18:43:42[diff] [blame]2057 return repo_config_get_pathname(the_repository, key, dest);
Tanay Abhra5a80e972014-08-07 11:59:16[diff] [blame]2058}
2059
Christian Couder77d67972017-02-27 18:00:13[diff] [blame]2060int git_config_get_expiry(const char *key, const char **output)
2061{
2062 int ret = git_config_get_string_const(key, output);
2063 if (ret)
2064 return ret;
2065 if (strcmp(*output, "now")) {
Johannes Schindelindddbad72017-04-26 19:29:31[diff] [blame]2066 timestamp_t now = approxidate("now");
Christian Couder77d67972017-02-27 18:00:13[diff] [blame]2067 if (approxidate(*output) >= now)
2068 git_die_config(key, _("Invalid %s: '%s'"), key, *output);
2069 }
2070 return ret;
2071}
2072
Christian Couder435ec092016-01-27 06:58:05[diff] [blame]2073int git_config_get_untracked_cache(void)
2074{
2075 int val = -1;
2076 const char *v;
2077
Christian Couderdae6c322016-01-27 06:58:06[diff] [blame]2078 /* Hack for test programs like test-dump-untracked-cache */
2079 if (ignore_untracked_cache_config)
2080 return -1;
2081
Christian Couder435ec092016-01-27 06:58:05[diff] [blame]2082 if (!git_config_get_maybe_bool("core.untrackedcache", &val))
2083 return val;
2084
2085 if (!git_config_get_value("core.untrackedcache", &v)) {
2086 if (!strcasecmp(v, "keep"))
2087 return -1;
2088
Christian Couderf60ef2d2017-02-27 17:59:58[diff] [blame]2089 error(_("unknown core.untrackedCache value '%s'; "
2090 "using 'keep' default value"), v);
Christian Couder435ec092016-01-27 06:58:05[diff] [blame]2091 return -1;
2092 }
2093
2094 return -1; /* default value */
2095}
2096
Christian Couder1f44b092017-02-27 18:00:00[diff] [blame]2097int git_config_get_split_index(void)
2098{
2099 int val;
2100
2101 if (!git_config_get_maybe_bool("core.splitindex", &val))
2102 return val;
2103
2104 return -1; /* default value */
2105}
2106
Christian Couder72dcb7b2017-02-27 18:00:07[diff] [blame]2107int git_config_get_max_percent_split_change(void)
2108{
2109 int val = -1;
2110
2111 if (!git_config_get_int("splitindex.maxpercentchange", &val)) {
2112 if (0 <= val && val <= 100)
2113 return val;
2114
2115 return error(_("splitIndex.maxPercentChange value '%d' "
2116 "should be between 0 and 100"), val);
2117 }
2118
2119 return -1; /* default value */
2120}
2121
Tanay Abhra5a80e972014-08-07 11:59:16[diff] [blame]2122NORETURN
2123void git_die_config_linenr(const char *key, const char *filename, int linenr)
2124{
2125 if (!filename)
2126 die(_("unable to parse '%s' from command-line config"), key);
2127 else
2128 die(_("bad config variable '%s' in file '%s' at line %d"),
2129 key, filename, linenr);
2130}
2131
2132NORETURN __attribute__((format(printf, 2, 3)))
2133void git_die_config(const char *key, const char *err, ...)
2134{
2135 const struct string_list *values;
2136 struct key_value_info *kv_info;
2137
2138 if (err) {
2139 va_list params;
2140 va_start(params, err);
2141 vreportf("error: ", err, params);
2142 va_end(params);
2143 }
2144 values = git_config_get_value_multi(key);
2145 kv_info = values->items[values->nr - 1].util;
2146 git_die_config_linenr(key, kv_info->filename, kv_info->linenr);
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2147}
2148
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2149/*
2150 * Find all the stuff for git_config_set() below.
2151 */
2152
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2153static struct {
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2154 int baselen;
2155 char *key;
2156 int do_not_match;
Felipe Contreras4b25d092009-05-01 09:06:36[diff] [blame]2157 regex_t *value_regex;
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2158 int multi_replace;
Thomas Rast83786fa2013-11-13 10:19:00[diff] [blame]2159 size_t *offset;
2160 unsigned int offset_alloc;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2161 enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state;
2162 int seen;
2163} store;
2164
Felipe Contreras4b25d092009-05-01 09:06:36[diff] [blame]2165static int matches(const char *key, const char *value)
Johannes Schindelinf98d8632005-11-20 12:24:18[diff] [blame]2166{
Jeff Kingc1063be2014-08-19 06:20:00[diff] [blame]2167 if (strcmp(key, store.key))
2168 return 0; /* not ours */
2169 if (!store.value_regex)
2170 return 1; /* always matches */
2171 if (store.value_regex == CONFIG_REGEX_NONE)
2172 return 0; /* never matches */
2173
2174 return store.do_not_match ^
2175 (value && !regexec(store.value_regex, value, 0, NULL, 0));
Johannes Schindelinf98d8632005-11-20 12:24:18[diff] [blame]2176}
2177
Felipe Contreras4b25d092009-05-01 09:06:36[diff] [blame]2178static int store_aux(const char *key, const char *value, void *cb)
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2179{
Junio C Hamanoae9ee412007-05-13 04:49:33[diff] [blame]2180 const char *ep;
2181 size_t section_len;
2182
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2183 switch (store.state) {
2184 case KEY_SEEN:
Johannes Schindelinf98d8632005-11-20 12:24:18[diff] [blame]2185 if (matches(key, value)) {
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2186 if (store.seen == 1 && store.multi_replace == 0) {
Matthieu Moy8262aaa2014-08-07 11:59:12[diff] [blame]2187 warning(_("%s has multiple values"), key);
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2188 }
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2189
Thomas Rast83786fa2013-11-13 10:19:00[diff] [blame]2190 ALLOC_GROW(store.offset, store.seen + 1,
2191 store.offset_alloc);
2192
Jeff King49d6cfa2013-08-26 21:57:18[diff] [blame]2193 store.offset[store.seen] = cf->do_ftell(cf);
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2194 store.seen++;
2195 }
2196 break;
2197 case SECTION_SEEN:
Junio C Hamanoae9ee412007-05-13 04:49:33[diff] [blame]2198 /*
2199 * What we are looking for is in store.key (both
2200 * section and var), and its section part is baselen
2201 * long. We found key (again, both section and var).
2202 * We would want to know if this key is in the same
2203 * section as what we are looking for. We already
2204 * know we are in the same section as what should
2205 * hold store.key.
2206 */
2207 ep = strrchr(key, '.');
2208 section_len = ep - key;
2209
2210 if ((section_len != store.baselen) ||
2211 memcmp(key, store.key, section_len+1)) {
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2212 store.state = SECTION_END_SEEN;
2213 break;
Junio C Hamanoae9ee412007-05-13 04:49:33[diff] [blame]2214 }
2215
2216 /*
2217 * Do not increment matches: this is no match, but we
2218 * just made sure we are in the desired section.
2219 */
Thomas Rast83786fa2013-11-13 10:19:00[diff] [blame]2220 ALLOC_GROW(store.offset, store.seen + 1,
2221 store.offset_alloc);
Jeff King49d6cfa2013-08-26 21:57:18[diff] [blame]2222 store.offset[store.seen] = cf->do_ftell(cf);
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2223 /* fallthru */
2224 case SECTION_END_SEEN:
2225 case START:
Johannes Schindelinf98d8632005-11-20 12:24:18[diff] [blame]2226 if (matches(key, value)) {
Thomas Rast83786fa2013-11-13 10:19:00[diff] [blame]2227 ALLOC_GROW(store.offset, store.seen + 1,
2228 store.offset_alloc);
Jeff King49d6cfa2013-08-26 21:57:18[diff] [blame]2229 store.offset[store.seen] = cf->do_ftell(cf);
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2230 store.state = KEY_SEEN;
2231 store.seen++;
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]2232 } else {
2233 if (strrchr(key, '.') - key == store.baselen &&
seanbdf0ef02006-05-06 18:14:02[diff] [blame]2234 !strncmp(key, store.key, store.baselen)) {
sean93ddef32006-05-05 13:49:15[diff] [blame]2235 store.state = SECTION_SEEN;
Thomas Rast83786fa2013-11-13 10:19:00[diff] [blame]2236 ALLOC_GROW(store.offset,
2237 store.seen + 1,
2238 store.offset_alloc);
Jeff King49d6cfa2013-08-26 21:57:18[diff] [blame]2239 store.offset[store.seen] = cf->do_ftell(cf);
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]2240 }
seanbdf0ef02006-05-06 18:14:02[diff] [blame]2241 }
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2242 }
2243 return 0;
2244}
2245
Alex Riesen64c0d712008-05-12 21:41:04[diff] [blame]2246static int write_error(const char *filename)
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2247{
Alex Riesen64c0d712008-05-12 21:41:04[diff] [blame]2248 error("failed to write new configuration file %s", filename);
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2249
2250 /* Same error code as "failed to rename". */
2251 return 4;
2252}
2253
Felipe Contreras4b25d092009-05-01 09:06:36[diff] [blame]2254static int store_write_section(int fd, const char *key)
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2255{
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2256 const char *dot;
2257 int i, success;
Brandon Caseyf285a2d2008-10-09 19:12:12[diff] [blame]2258 struct strbuf sb = STRBUF_INIT;
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]2259
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2260 dot = memchr(key, '.', store.baselen);
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]2261 if (dot) {
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2262 strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key);
2263 for (i = dot - key + 1; i < store.baselen; i++) {
Bryan Donlane5c349b2008-05-04 05:37:52[diff] [blame]2264 if (key[i] == '"' || key[i] == '\\')
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2265 strbuf_addch(&sb, '\\');
2266 strbuf_addch(&sb, key[i]);
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]2267 }
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2268 strbuf_addstr(&sb, "\"]\n");
2269 } else {
2270 strbuf_addf(&sb, "[%.*s]\n", store.baselen, key);
Linus Torvaldsd14f7762006-05-09 19:24:02[diff] [blame]2271 }
2272
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2273 success = write_in_full(fd, sb.buf, sb.len) == sb.len;
2274 strbuf_release(&sb);
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2275
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2276 return success;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2277}
2278
Felipe Contreras4b25d092009-05-01 09:06:36[diff] [blame]2279static int store_write_pair(int fd, const char *key, const char *value)
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2280{
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2281 int i, success;
2282 int length = strlen(key + store.baselen + 1);
2283 const char *quote = "";
Brandon Caseyf285a2d2008-10-09 19:12:12[diff] [blame]2284 struct strbuf sb = STRBUF_INIT;
Brian Gernhardtcdd4fb12007-01-09 05:27:41[diff] [blame]2285
Jim Meyering6281f392007-12-08 15:48:05[diff] [blame]2286 /*
2287 * Check to see if the value needs to be surrounded with a dq pair.
2288 * Note that problematic characters are always backslash-quoted; this
2289 * check is about not losing leading or trailing SP and strings that
2290 * follow beginning-of-comment characters (i.e. ';' and '#') by the
2291 * configuration parser.
2292 */
Brian Gernhardtcdd4fb12007-01-09 05:27:41[diff] [blame]2293 if (value[0] == ' ')
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2294 quote = "\"";
Brian Gernhardtcdd4fb12007-01-09 05:27:41[diff] [blame]2295 for (i = 0; value[i]; i++)
2296 if (value[i] == ';' || value[i] == '#')
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2297 quote = "\"";
2298 if (i && value[i - 1] == ' ')
2299 quote = "\"";
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2300
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2301 strbuf_addf(&sb, "\t%.*s = %s",
2302 length, key + store.baselen + 1, quote);
2303
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2304 for (i = 0; value[i]; i++)
2305 switch (value[i]) {
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2306 case '\n':
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2307 strbuf_addstr(&sb, "\\n");
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2308 break;
2309 case '\t':
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2310 strbuf_addstr(&sb, "\\t");
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2311 break;
2312 case '"':
2313 case '\\':
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2314 strbuf_addch(&sb, '\\');
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2315 default:
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2316 strbuf_addch(&sb, value[i]);
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2317 break;
2318 }
Kristian Høgsbergcb891a52007-12-14 20:59:58[diff] [blame]2319 strbuf_addf(&sb, "%s\n", quote);
2320
2321 success = write_in_full(fd, sb.buf, sb.len) == sb.len;
2322 strbuf_release(&sb);
2323
2324 return success;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2325}
2326
Felipe Contreras4b25d092009-05-01 09:06:36[diff] [blame]2327static ssize_t find_beginning_of_line(const char *contents, size_t size,
2328 size_t offset_, int *found_bracket)
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2329{
Shawn O. Pearcedc49cd72007-03-07 01:44:37[diff] [blame]2330 size_t equal_offset = size, bracket_offset = size;
2331 ssize_t offset;
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2332
Frank Lichtenheld7a31cc02008-02-11 00:23:03[diff] [blame]2333contline:
Junio C Hamanoa6080a02007-06-07 07:04:01[diff] [blame]2334 for (offset = offset_-2; offset > 0
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2335 && contents[offset] != '\n'; offset--)
2336 switch (contents[offset]) {
2337 case '=': equal_offset = offset; break;
2338 case ']': bracket_offset = offset; break;
2339 }
Frank Lichtenheld7a31cc02008-02-11 00:23:03[diff] [blame]2340 if (offset > 0 && contents[offset-1] == '\\') {
2341 offset_ = offset;
2342 goto contline;
2343 }
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2344 if (bracket_offset < equal_offset) {
2345 *found_bracket = 1;
2346 offset = bracket_offset+1;
2347 } else
2348 offset++;
2349
2350 return offset;
2351}
2352
Patrick Steinhardt30598ad2016-02-22 11:23:35[diff] [blame]2353int git_config_set_in_file_gently(const char *config_filename,
2354 const char *key, const char *value)
Ramkumar Ramachandra5ec31182011-08-04 10:39:00[diff] [blame]2355{
Patrick Steinhardt30598ad2016-02-22 11:23:35[diff] [blame]2356 return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0);
Ramkumar Ramachandra5ec31182011-08-04 10:39:00[diff] [blame]2357}
2358
Patrick Steinhardt3d180642016-02-22 11:23:36[diff] [blame]2359void git_config_set_in_file(const char *config_filename,
2360 const char *key, const char *value)
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2361{
Patrick Steinhardt3d180642016-02-22 11:23:36[diff] [blame]2362 git_config_set_multivar_in_file(config_filename, key, value, NULL, 0);
Patrick Steinhardtb4c8aba2016-02-16 12:56:28[diff] [blame]2363}
2364
Patrick Steinhardt30598ad2016-02-22 11:23:35[diff] [blame]2365int git_config_set_gently(const char *key, const char *value)
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2366{
Patrick Steinhardt30598ad2016-02-22 11:23:35[diff] [blame]2367 return git_config_set_multivar_gently(key, value, NULL, 0);
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2368}
2369
Patrick Steinhardt3d180642016-02-22 11:23:36[diff] [blame]2370void git_config_set(const char *key, const char *value)
Patrick Steinhardtb4c8aba2016-02-16 12:56:28[diff] [blame]2371{
Patrick Steinhardt3d180642016-02-22 11:23:36[diff] [blame]2372 git_config_set_multivar(key, value, NULL, 0);
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2373}
2374
2375/*
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2376 * If value==NULL, unset in (remove from) config,
2377 * if value_regex!=NULL, disregard key/value pairs where value does not match.
Jeff Kingc1063be2014-08-19 06:20:00[diff] [blame]2378 * if value_regex==CONFIG_REGEX_NONE, do not match any existing values
2379 * (only add a new one)
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2380 * if multi_replace==0, nothing, or only one matching key/value is replaced,
2381 * else all matching key/values (regardless how many) are removed,
2382 * before the new pair is written.
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2383 *
2384 * Returns 0 on success.
2385 *
2386 * This function does this:
2387 *
2388 * - it locks the config file by creating ".git/config.lock"
2389 *
2390 * - it then parses the config using store_aux() as validator to find
2391 * the position on the key/value pair to replace. If it is to be unset,
2392 * it must be found exactly once.
2393 *
2394 * - the config file is mmap()ed and the part before the match (if any) is
2395 * written to the lock file, then the changed part and the rest.
2396 *
2397 * - the config file is removed and the lock file rename()d to it.
2398 *
2399 */
Patrick Steinhardt30598ad2016-02-22 11:23:35[diff] [blame]2400int git_config_set_multivar_in_file_gently(const char *config_filename,
2401 const char *key, const char *value,
2402 const char *value_regex,
2403 int multi_replace)
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2404{
Sven Strickroth54d160e2015-08-14 20:21:17[diff] [blame]2405 int fd = -1, in_fd = -1;
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2406 int ret;
Bradford C. Smith6cbf9732007-07-26 16:55:28[diff] [blame]2407 struct lock_file *lock = NULL;
Jeff King0a5f5752012-02-16 08:04:05[diff] [blame]2408 char *filename_buf = NULL;
Jeff King3a1b3122015-05-28 07:54:43[diff] [blame]2409 char *contents = NULL;
2410 size_t contents_sz;
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2411
Libor Pechacekb09c53a2011-01-30 19:40:41[diff] [blame]2412 /* parse-key returns negative; flip the sign to feed exit(3) */
2413 ret = 0 - git_config_parse_key(key, &store.key, &store.baselen);
2414 if (ret)
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2415 goto out_free;
Johannes Schindelinb17e6592005-11-20 20:22:19[diff] [blame]2416
2417 store.multi_replace = multi_replace;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2418
Jeff King0a5f5752012-02-16 08:04:05[diff] [blame]2419 if (!config_filename)
2420 config_filename = filename_buf = git_pathdup("config");
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2421
2422 /*
Bradford C. Smith6cbf9732007-07-26 16:55:28[diff] [blame]2423 * The lock serves a purpose in addition to locking: the new
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2424 * contents of .git/config will be written into it.
2425 */
Brian Gesiakf1064f62014-05-26 15:33:46[diff] [blame]2426 lock = xcalloc(1, sizeof(struct lock_file));
Bradford C. Smith6cbf9732007-07-26 16:55:28[diff] [blame]2427 fd = hold_lock_file_for_update(lock, config_filename, 0);
2428 if (fd < 0) {
Nguyễn Thái Ngọc Duyf0658ec2016-05-08 09:47:38[diff] [blame]2429 error_errno("could not lock config file %s", config_filename);
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2430 free(store.key);
Michael J Gruber7a397412011-05-17 15:38:52[diff] [blame]2431 ret = CONFIG_NO_LOCK;
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2432 goto out_free;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2433 }
2434
2435 /*
2436 * If .git/config does not exist yet, write a minimal version.
2437 */
Alex Riesen88fb9582006-01-05 11:43:34[diff] [blame]2438 in_fd = open(config_filename, O_RDONLY);
2439 if ( in_fd < 0 ) {
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2440 free(store.key);
2441
Alex Riesen88fb9582006-01-05 11:43:34[diff] [blame]2442 if ( ENOENT != errno ) {
Nguyễn Thái Ngọc Duyf0658ec2016-05-08 09:47:38[diff] [blame]2443 error_errno("opening %s", config_filename);
Michael J Gruber7a397412011-05-17 15:38:52[diff] [blame]2444 ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2445 goto out_free;
Alex Riesen88fb9582006-01-05 11:43:34[diff] [blame]2446 }
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2447 /* if nothing to unset, error out */
2448 if (value == NULL) {
Michael J Gruber7a397412011-05-17 15:38:52[diff] [blame]2449 ret = CONFIG_NOTHING_SET;
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2450 goto out_free;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2451 }
2452
Felipe Contreras4b25d092009-05-01 09:06:36[diff] [blame]2453 store.key = (char *)key;
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2454 if (!store_write_section(fd, key) ||
Junio C Hamano93c1e072007-01-11 21:16:26[diff] [blame]2455 !store_write_pair(fd, key, value))
2456 goto write_err_out;
2457 } else {
Alex Riesen88fb9582006-01-05 11:43:34[diff] [blame]2458 struct stat st;
Jeff King3a1b3122015-05-28 07:54:43[diff] [blame]2459 size_t copy_begin, copy_end;
Shawn O. Pearcedc49cd72007-03-07 01:44:37[diff] [blame]2460 int i, new_line = 0;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2461
2462 if (value_regex == NULL)
2463 store.value_regex = NULL;
Jeff Kingc1063be2014-08-19 06:20:00[diff] [blame]2464 else if (value_regex == CONFIG_REGEX_NONE)
2465 store.value_regex = CONFIG_REGEX_NONE;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2466 else {
Johannes Schindelinf98d8632005-11-20 12:24:18[diff] [blame]2467 if (value_regex[0] == '!') {
2468 store.do_not_match = 1;
2469 value_regex++;
2470 } else
2471 store.do_not_match = 0;
2472
Jonas Fonseca2d7320d2006-08-31 22:32:39[diff] [blame]2473 store.value_regex = (regex_t*)xmalloc(sizeof(regex_t));
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2474 if (regcomp(store.value_regex, value_regex,
2475 REG_EXTENDED)) {
Alex Riesen64c0d712008-05-12 21:41:04[diff] [blame]2476 error("invalid pattern: %s", value_regex);
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2477 free(store.value_regex);
Michael J Gruber7a397412011-05-17 15:38:52[diff] [blame]2478 ret = CONFIG_INVALID_PATTERN;
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2479 goto out_free;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2480 }
2481 }
2482
Thomas Rast83786fa2013-11-13 10:19:00[diff] [blame]2483 ALLOC_GROW(store.offset, 1, store.offset_alloc);
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2484 store.offset[0] = 0;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2485 store.state = START;
2486 store.seen = 0;
2487
2488 /*
2489 * After this, store.offset will contain the *end* offset
2490 * of the last match, or remain at 0 if no match was found.
2491 * As a side effect, we make sure to transform only a valid
2492 * existing config file.
2493 */
Johannes Schindelinef90d6d2008-05-14 17:46:53[diff] [blame]2494 if (git_config_from_file(store_aux, config_filename, NULL)) {
Alex Riesen64c0d712008-05-12 21:41:04[diff] [blame]2495 error("invalid config file %s", config_filename);
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2496 free(store.key);
Jeff Kingc1063be2014-08-19 06:20:00[diff] [blame]2497 if (store.value_regex != NULL &&
2498 store.value_regex != CONFIG_REGEX_NONE) {
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2499 regfree(store.value_regex);
2500 free(store.value_regex);
2501 }
Michael J Gruber7a397412011-05-17 15:38:52[diff] [blame]2502 ret = CONFIG_INVALID_FILE;
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2503 goto out_free;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2504 }
2505
2506 free(store.key);
Jeff Kingc1063be2014-08-19 06:20:00[diff] [blame]2507 if (store.value_regex != NULL &&
2508 store.value_regex != CONFIG_REGEX_NONE) {
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2509 regfree(store.value_regex);
2510 free(store.value_regex);
2511 }
2512
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2513 /* if nothing to unset, or too many matches, error out */
2514 if ((store.seen == 0 && value == NULL) ||
2515 (store.seen > 1 && multi_replace == 0)) {
Michael J Gruber7a397412011-05-17 15:38:52[diff] [blame]2516 ret = CONFIG_NOTHING_SET;
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2517 goto out_free;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2518 }
2519
Nguyễn Thái Ngọc Duy29647d72016-12-19 09:21:55[diff] [blame]2520 if (fstat(in_fd, &st) == -1) {
2521 error_errno(_("fstat on %s failed"), config_filename);
2522 ret = CONFIG_INVALID_FILE;
2523 goto out_free;
2524 }
2525
Shawn O. Pearcedc49cd72007-03-07 01:44:37[diff] [blame]2526 contents_sz = xsize_t(st.st_size);
Jeff King15708562015-05-28 07:56:15[diff] [blame]2527 contents = xmmap_gently(NULL, contents_sz, PROT_READ,
2528 MAP_PRIVATE, in_fd, 0);
2529 if (contents == MAP_FAILED) {
Jeff King0e8771f2015-05-28 08:03:01[diff] [blame]2530 if (errno == ENODEV && S_ISDIR(st.st_mode))
2531 errno = EISDIR;
Nguyễn Thái Ngọc Duyf0658ec2016-05-08 09:47:38[diff] [blame]2532 error_errno("unable to mmap '%s'", config_filename);
Jeff King15708562015-05-28 07:56:15[diff] [blame]2533 ret = CONFIG_INVALID_FILE;
2534 contents = NULL;
2535 goto out_free;
2536 }
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2537 close(in_fd);
Sven Strickroth54d160e2015-08-14 20:21:17[diff] [blame]2538 in_fd = -1;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2539
Michael Haggertyb4fb09e2015-08-10 09:47:39[diff] [blame]2540 if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) {
Nguyễn Thái Ngọc Duyf0658ec2016-05-08 09:47:38[diff] [blame]2541 error_errno("chmod on %s failed", get_lock_file_path(lock));
Eric Wongdaa22c62014-05-06 00:17:14[diff] [blame]2542 ret = CONFIG_NO_WRITE;
2543 goto out_free;
2544 }
2545
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2546 if (store.seen == 0)
2547 store.seen = 1;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2548
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2549 for (i = 0, copy_begin = 0; i < store.seen; i++) {
2550 if (store.offset[i] == 0) {
Shawn O. Pearcedc49cd72007-03-07 01:44:37[diff] [blame]2551 store.offset[i] = copy_end = contents_sz;
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2552 } else if (store.state != KEY_SEEN) {
2553 copy_end = store.offset[i];
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2554 } else
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2555 copy_end = find_beginning_of_line(
Shawn O. Pearcedc49cd72007-03-07 01:44:37[diff] [blame]2556 contents, contents_sz,
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2557 store.offset[i]-2, &new_line);
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2558
Jeff King02e5ba42008-01-01 06:17:34[diff] [blame]2559 if (copy_end > 0 && contents[copy_end-1] != '\n')
2560 new_line = 1;
2561
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2562 /* write the first part of the config */
2563 if (copy_end > copy_begin) {
Junio C Hamano93c1e072007-01-11 21:16:26[diff] [blame]2564 if (write_in_full(fd, contents + copy_begin,
2565 copy_end - copy_begin) <
2566 copy_end - copy_begin)
2567 goto write_err_out;
2568 if (new_line &&
Jim Meyering2b7ca832009-09-12 08:54:32[diff] [blame]2569 write_str_in_full(fd, "\n") != 1)
Junio C Hamano93c1e072007-01-11 21:16:26[diff] [blame]2570 goto write_err_out;
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]2571 }
2572 copy_begin = store.offset[i];
2573 }
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2574
2575 /* write the pair (value == NULL means unset) */
2576 if (value != NULL) {
Junio C Hamano93c1e072007-01-11 21:16:26[diff] [blame]2577 if (store.state == START) {
2578 if (!store_write_section(fd, key))
2579 goto write_err_out;
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2580 }
Junio C Hamano93c1e072007-01-11 21:16:26[diff] [blame]2581 if (!store_write_pair(fd, key, value))
2582 goto write_err_out;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2583 }
2584
2585 /* write the rest of the config */
Shawn O. Pearcedc49cd72007-03-07 01:44:37[diff] [blame]2586 if (copy_begin < contents_sz)
Junio C Hamano93c1e072007-01-11 21:16:26[diff] [blame]2587 if (write_in_full(fd, contents + copy_begin,
Shawn O. Pearcedc49cd72007-03-07 01:44:37[diff] [blame]2588 contents_sz - copy_begin) <
2589 contents_sz - copy_begin)
Junio C Hamano93c1e072007-01-11 21:16:26[diff] [blame]2590 goto write_err_out;
Karsten Blees7a645922015-06-30 14:34:13[diff] [blame]2591
2592 munmap(contents, contents_sz);
2593 contents = NULL;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2594 }
2595
Brandon Casey4ed7cd32008-01-16 19:12:46[diff] [blame]2596 if (commit_lock_file(lock) < 0) {
Nguyễn Thái Ngọc Duyf0658ec2016-05-08 09:47:38[diff] [blame]2597 error_errno("could not write config file %s", config_filename);
Michael J Gruber7a397412011-05-17 15:38:52[diff] [blame]2598 ret = CONFIG_NO_WRITE;
Michael Haggertye8318552014-10-01 10:28:26[diff] [blame]2599 lock = NULL;
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2600 goto out_free;
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2601 }
2602
Bradford C. Smith6cbf9732007-07-26 16:55:28[diff] [blame]2603 /*
2604 * lock is committed, so don't try to roll it back below.
2605 * NOTE: Since lockfile.c keeps a linked list of all created
2606 * lock_file structures, it isn't safe to free(lock). It's
2607 * better to just leave it hanging around.
2608 */
2609 lock = NULL;
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2610 ret = 0;
2611
Tanay Abhra3c8687a2014-07-28 10:10:38[diff] [blame]2612 /* Invalidate the config cache */
2613 git_config_clear();
2614
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2615out_free:
Bradford C. Smith6cbf9732007-07-26 16:55:28[diff] [blame]2616 if (lock)
2617 rollback_lock_file(lock);
Jeff King0a5f5752012-02-16 08:04:05[diff] [blame]2618 free(filename_buf);
Jeff King3a1b3122015-05-28 07:54:43[diff] [blame]2619 if (contents)
2620 munmap(contents, contents_sz);
Sven Strickroth54d160e2015-08-14 20:21:17[diff] [blame]2621 if (in_fd >= 0)
2622 close(in_fd);
Serge E. Hallyndafc88b2006-04-17 15:14:48[diff] [blame]2623 return ret;
Junio C Hamano93c1e072007-01-11 21:16:26[diff] [blame]2624
2625write_err_out:
Michael Haggertyb4fb09e2015-08-10 09:47:39[diff] [blame]2626 ret = write_error(get_lock_file_path(lock));
Junio C Hamano93c1e072007-01-11 21:16:26[diff] [blame]2627 goto out_free;
2628
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]2629}
2630
Patrick Steinhardt3d180642016-02-22 11:23:36[diff] [blame]2631void git_config_set_multivar_in_file(const char *config_filename,
2632 const char *key, const char *value,
2633 const char *value_regex, int multi_replace)
Ramkumar Ramachandra5ec31182011-08-04 10:39:00[diff] [blame]2634{
Jeff King1cae4282016-04-09 17:43:54[diff] [blame]2635 if (!git_config_set_multivar_in_file_gently(config_filename, key, value,
2636 value_regex, multi_replace))
2637 return;
2638 if (value)
Jeff King8c3ca352016-04-09 17:42:31[diff] [blame]2639 die(_("could not set '%s' to '%s'"), key, value);
Jeff King1cae4282016-04-09 17:43:54[diff] [blame]2640 else
2641 die(_("could not unset '%s'"), key);
Patrick Steinhardtb4c8aba2016-02-16 12:56:28[diff] [blame]2642}
2643
Patrick Steinhardt30598ad2016-02-22 11:23:35[diff] [blame]2644int git_config_set_multivar_gently(const char *key, const char *value,
2645 const char *value_regex, int multi_replace)
Ramkumar Ramachandra5ec31182011-08-04 10:39:00[diff] [blame]2646{
Patrick Steinhardt30598ad2016-02-22 11:23:35[diff] [blame]2647 return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex,
2648 multi_replace);
Ramkumar Ramachandra5ec31182011-08-04 10:39:00[diff] [blame]2649}
2650
Patrick Steinhardt3d180642016-02-22 11:23:36[diff] [blame]2651void git_config_set_multivar(const char *key, const char *value,
2652 const char *value_regex, int multi_replace)
Patrick Steinhardtb4c8aba2016-02-16 12:56:28[diff] [blame]2653{
Patrick Steinhardt3d180642016-02-22 11:23:36[diff] [blame]2654 git_config_set_multivar_in_file(NULL, key, value, value_regex,
2655 multi_replace);
Paolo Bonzini118f8b22007-03-02 20:53:33[diff] [blame]2656}
2657
2658static int section_name_match (const char *buf, const char *name)
2659{
2660 int i = 0, j = 0, dot = 0;
2661 if (buf[i] != '[')
2662 return 0;
2663 for (i = 1; buf[i] && buf[i] != ']'; i++) {
2664 if (!dot && isspace(buf[i])) {
2665 dot = 1;
Alex Vandivera4c0d462009-07-24 21:21:43[diff] [blame]2666 if (name[j++] != '.')
2667 break;
2668 for (i++; isspace(buf[i]); i++)
2669 ; /* do nothing */
2670 if (buf[i] != '"')
2671 break;
2672 continue;
2673 }
2674 if (buf[i] == '\\' && dot)
2675 i++;
2676 else if (buf[i] == '"' && dot) {
Paolo Bonzini118f8b22007-03-02 20:53:33[diff] [blame]2677 for (i++; isspace(buf[i]); i++)
2678 ; /* do_nothing */
2679 break;
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2680 }
2681 if (buf[i] != name[j++])
Paolo Bonzini118f8b22007-03-02 20:53:33[diff] [blame]2682 break;
Junio C Hamanofc1905b2006-12-20 05:55:27[diff] [blame]2683 }
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2684 if (buf[i] == ']' && name[j] == 0) {
2685 /*
2686 * We match, now just find the right length offset by
Ramsay Jones924aaf32011-06-16 20:24:51[diff] [blame]2687 * gobbling up any whitespace after it, as well
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2688 */
Daniel Barkalowdc871832008-06-30 07:37:47[diff] [blame]2689 i++;
2690 for (; buf[i] && isspace(buf[i]); i++)
2691 ; /* do nothing */
Alex Riesena4f34cb2008-10-27 10:22:09[diff] [blame]2692 return i;
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2693 }
Junio C Hamanofc1905b2006-12-20 05:55:27[diff] [blame]2694 return 0;
Alex Riesen64c0d712008-05-12 21:41:04[diff] [blame]2695}
Junio C Hamanofc1905b2006-12-20 05:55:27[diff] [blame]2696
Jeff King94a35b12012-04-26 01:47:14[diff] [blame]2697static int section_name_is_ok(const char *name)
2698{
2699 /* Empty section names are bogus. */
2700 if (!*name)
2701 return 0;
2702
2703 /*
2704 * Before a dot, we must be alphanumeric or dash. After the first dot,
2705 * anything goes, so we can stop checking.
2706 */
2707 for (; *name && *name != '.'; name++)
2708 if (*name != '-' && !isalnum(*name))
2709 return 0;
2710 return 1;
2711}
2712
Junio C Hamanofc1905b2006-12-20 05:55:27[diff] [blame]2713/* if new_name == NULL, the section is removed instead */
Jeff King42bd39b2012-02-16 08:04:25[diff] [blame]2714int git_config_rename_section_in_file(const char *config_filename,
2715 const char *old_name, const char *new_name)
Geert Bosch01ebb9d2007-04-05 14:20:55[diff] [blame]2716{
Junio C Hamanofc1905b2006-12-20 05:55:27[diff] [blame]2717 int ret = 0, remove = 0;
Jeff King42bd39b2012-02-16 08:04:25[diff] [blame]2718 char *filename_buf = NULL;
Jeff King94a35b12012-04-26 01:47:14[diff] [blame]2719 struct lock_file *lock;
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2720 int out_fd;
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2721 char buf[1024];
Johannes Schindelin4db7dbd2017-05-04 13:55:41[diff] [blame]2722 FILE *config_file = NULL;
Eric Wongdaa22c62014-05-06 00:17:14[diff] [blame]2723 struct stat st;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]2724
Jeff King94a35b12012-04-26 01:47:14[diff] [blame]2725 if (new_name && !section_name_is_ok(new_name)) {
2726 ret = error("invalid section name: %s", new_name);
Nguyễn Thái Ngọc Duyc06fa622016-12-20 09:48:36[diff] [blame]2727 goto out_no_rollback;
Jeff King94a35b12012-04-26 01:47:14[diff] [blame]2728 }
2729
Jeff King42bd39b2012-02-16 08:04:25[diff] [blame]2730 if (!config_filename)
2731 config_filename = filename_buf = git_pathdup("config");
2732
Brian Gesiakf1064f62014-05-26 15:33:46[diff] [blame]2733 lock = xcalloc(1, sizeof(struct lock_file));
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2734 out_fd = hold_lock_file_for_update(lock, config_filename, 0);
2735 if (out_fd < 0) {
2736 ret = error("could not lock config file %s", config_filename);
2737 goto out;
2738 }
2739
2740 if (!(config_file = fopen(config_filename, "rb"))) {
Nguyễn Thái Ngọc Duy11dc1fc2017-05-03 10:16:49[diff] [blame]2741 ret = warn_on_fopen_errors(config_filename);
2742 if (ret)
2743 goto out;
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2744 /* no config file means nothing to rename, no error */
Nguyễn Thái Ngọc Duy6e45b432016-12-20 09:48:35[diff] [blame]2745 goto commit_and_out;
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2746 }
2747
Nguyễn Thái Ngọc Duy29647d72016-12-19 09:21:55[diff] [blame]2748 if (fstat(fileno(config_file), &st) == -1) {
2749 ret = error_errno(_("fstat on %s failed"), config_filename);
2750 goto out;
2751 }
Eric Wongdaa22c62014-05-06 00:17:14[diff] [blame]2752
Michael Haggertyb4fb09e2015-08-10 09:47:39[diff] [blame]2753 if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) {
Nguyễn Thái Ngọc Duyf0658ec2016-05-08 09:47:38[diff] [blame]2754 ret = error_errno("chmod on %s failed",
2755 get_lock_file_path(lock));
Eric Wongdaa22c62014-05-06 00:17:14[diff] [blame]2756 goto out;
2757 }
2758
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2759 while (fgets(buf, sizeof(buf), config_file)) {
2760 int i;
2761 int length;
2762 char *output = buf;
2763 for (i = 0; buf[i] && isspace(buf[i]); i++)
2764 ; /* do nothing */
2765 if (buf[i] == '[') {
2766 /* it's a section */
Alex Vandivera4c0d462009-07-24 21:21:43[diff] [blame]2767 int offset = section_name_match(&buf[i], old_name);
2768 if (offset > 0) {
Paolo Bonzini118f8b22007-03-02 20:53:33[diff] [blame]2769 ret++;
2770 if (new_name == NULL) {
2771 remove = 1;
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2772 continue;
2773 }
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2774 store.baselen = strlen(new_name);
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2775 if (!store_write_section(out_fd, new_name)) {
Michael Haggertyb4fb09e2015-08-10 09:47:39[diff] [blame]2776 ret = write_error(get_lock_file_path(lock));
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2777 goto out;
2778 }
Alex Vandiver9a5abfc2009-07-24 21:21:44[diff] [blame]2779 /*
2780 * We wrote out the new section, with
2781 * a newline, now skip the old
2782 * section's length
2783 */
2784 output += offset + i;
2785 if (strlen(output) > 0) {
2786 /*
2787 * More content means there's
2788 * a declaration to put on the
2789 * next line; indent with a
2790 * tab
2791 */
2792 output -= 1;
2793 output[0] = '\t';
2794 }
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2795 }
Paolo Bonzini118f8b22007-03-02 20:53:33[diff] [blame]2796 remove = 0;
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2797 }
Paolo Bonzini118f8b22007-03-02 20:53:33[diff] [blame]2798 if (remove)
2799 continue;
Alex Vandiver9a5abfc2009-07-24 21:21:44[diff] [blame]2800 length = strlen(output);
2801 if (write_in_full(out_fd, output, length) != length) {
Michael Haggertyb4fb09e2015-08-10 09:47:39[diff] [blame]2802 ret = write_error(get_lock_file_path(lock));
Andy Whitcroft480c9e52007-01-08 15:58:38[diff] [blame]2803 goto out;
2804 }
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2805 }
Junio C Hamanofc1905b2006-12-20 05:55:27[diff] [blame]2806 fclose(config_file);
Johannes Schindelin4db7dbd2017-05-04 13:55:41[diff] [blame]2807 config_file = NULL;
Nguyễn Thái Ngọc Duy6e45b432016-12-20 09:48:35[diff] [blame]2808commit_and_out:
Brandon Casey4ed7cd32008-01-16 19:12:46[diff] [blame]2809 if (commit_lock_file(lock) < 0)
Nguyễn Thái Ngọc Duyf0658ec2016-05-08 09:47:38[diff] [blame]2810 ret = error_errno("could not write config file %s",
2811 config_filename);
Pavan Kumar Sunkara8b590072011-07-16 21:55:52[diff] [blame]2812out:
Johannes Schindelin4db7dbd2017-05-04 13:55:41[diff] [blame]2813 if (config_file)
2814 fclose(config_file);
Nguyễn Thái Ngọc Duyc06fa622016-12-20 09:48:36[diff] [blame]2815 rollback_lock_file(lock);
2816out_no_rollback:
Jeff King42bd39b2012-02-16 08:04:25[diff] [blame]2817 free(filename_buf);
Johannes Schindelin0667fcf2006-12-16 14:14:14[diff] [blame]2818 return ret;
2819}
Junio C Hamano40ea4ed2008-02-11 18:41:18[diff] [blame]2820
Jeff King42bd39b2012-02-16 08:04:25[diff] [blame]2821int git_config_rename_section(const char *old_name, const char *new_name)
2822{
Jeff King4a7bb5b2012-02-16 08:09:32[diff] [blame]2823 return git_config_rename_section_in_file(NULL, old_name, new_name);
Jeff King42bd39b2012-02-16 08:04:25[diff] [blame]2824}
2825
Junio C Hamano40ea4ed2008-02-11 18:41:18[diff] [blame]2826/*
2827 * Call this to report error for your variable that should not
2828 * get a boolean value (i.e. "[my] var" means "true").
2829 */
Jeff Kinga469a102012-12-15 17:42:10[diff] [blame]2830#undef config_error_nonbool
Junio C Hamano40ea4ed2008-02-11 18:41:18[diff] [blame]2831int config_error_nonbool(const char *var)
2832{
Jeff King8c3ca352016-04-09 17:42:31[diff] [blame]2833 return error("missing value for '%s'", var);
Junio C Hamano40ea4ed2008-02-11 18:41:18[diff] [blame]2834}
Jeff King1b86bbb2013-01-23 06:23:05[diff] [blame]2835
2836int parse_config_key(const char *var,
2837 const char *section,
2838 const char **subsection, int *subsection_len,
2839 const char **key)
2840{
Jeff King1b86bbb2013-01-23 06:23:05[diff] [blame]2841 const char *dot;
2842
2843 /* Does it start with "section." ? */
Jeff Kinge3394fd2017-02-24 21:07:19[diff] [blame]2844 if (!skip_prefix(var, section, &var) || *var != '.')
Jeff King1b86bbb2013-01-23 06:23:05[diff] [blame]2845 return -1;
2846
2847 /*
2848 * Find the key; we don't know yet if we have a subsection, but we must
2849 * parse backwards from the end, since the subsection may have dots in
2850 * it, too.
2851 */
2852 dot = strrchr(var, '.');
2853 *key = dot + 1;
2854
2855 /* Did we have a subsection at all? */
Jeff Kinge3394fd2017-02-24 21:07:19[diff] [blame]2856 if (dot == var) {
Jeff King48f8d9f2017-02-24 21:08:02[diff] [blame]2857 if (subsection) {
2858 *subsection = NULL;
2859 *subsection_len = 0;
2860 }
Jeff King1b86bbb2013-01-23 06:23:05[diff] [blame]2861 }
2862 else {
Jeff King48f8d9f2017-02-24 21:08:02[diff] [blame]2863 if (!subsection)
2864 return -1;
Jeff Kinge3394fd2017-02-24 21:07:19[diff] [blame]2865 *subsection = var + 1;
Jeff King1b86bbb2013-01-23 06:23:05[diff] [blame]2866 *subsection_len = dot - *subsection;
2867 }
2868
2869 return 0;
2870}
Lars Schneider473166b2016-02-19 09:16:01[diff] [blame]2871
2872const char *current_config_origin_type(void)
2873{
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]2874 int type;
Jeff King0d44a2d2016-05-27 00:32:23[diff] [blame]2875 if (current_config_kvi)
2876 type = current_config_kvi->origin_type;
2877 else if(cf)
2878 type = cf->origin_type;
2879 else
Jeff King32582582016-05-18 22:41:08[diff] [blame]2880 die("BUG: current_config_origin_type called outside config callback");
Vasco Almeida1b8132d2016-07-28 13:14:03[diff] [blame]2881
2882 switch (type) {
2883 case CONFIG_ORIGIN_BLOB:
2884 return "blob";
2885 case CONFIG_ORIGIN_FILE:
2886 return "file";
2887 case CONFIG_ORIGIN_STDIN:
2888 return "standard input";
2889 case CONFIG_ORIGIN_SUBMODULE_BLOB:
2890 return "submodule-blob";
2891 case CONFIG_ORIGIN_CMDLINE:
2892 return "command line";
2893 default:
2894 die("BUG: unknown config origin type");
2895 }
Lars Schneider473166b2016-02-19 09:16:01[diff] [blame]2896}
2897
2898const char *current_config_name(void)
2899{
Jeff King0d44a2d2016-05-27 00:32:23[diff] [blame]2900 const char *name;
2901 if (current_config_kvi)
2902 name = current_config_kvi->filename;
2903 else if (cf)
2904 name = cf->name;
2905 else
Jeff King32582582016-05-18 22:41:08[diff] [blame]2906 die("BUG: current_config_name called outside config callback");
Jeff King0d44a2d2016-05-27 00:32:23[diff] [blame]2907 return name ? name : "";
Lars Schneider473166b2016-02-19 09:16:01[diff] [blame]2908}
Jeff King9acc5912016-05-18 22:44:23[diff] [blame]2909
2910enum config_scope current_config_scope(void)
2911{
2912 if (current_config_kvi)
2913 return current_config_kvi->scope;
2914 else
2915 return current_parsing_scope;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]2916}