]>
Commit | Line | Data |
---|---|---|
10bea152 JS |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | * Copyright (C) Johannes Schindelin, 2005 | |
6 | * | |
7 | */ | |
17712991 | 8 | #include "cache.h" |
697cc8ef | 9 | #include "lockfile.h" |
7f0e39fa | 10 | #include "exec_cmd.h" |
572e4f6a | 11 | #include "strbuf.h" |
2b64fc89 | 12 | #include "quote.h" |
3c8687a7 TA |
13 | #include "hashmap.h" |
14 | #include "string-list.h" | |
599446dc | 15 | #include "utf8.h" |
17712991 | 16 | |
4d8dd149 HV |
17 | struct config_source { |
18 | struct config_source *prev; | |
19 | union { | |
20 | FILE *file; | |
1bc88819 HV |
21 | struct config_buf { |
22 | const char *buf; | |
23 | size_t len; | |
24 | size_t pos; | |
25 | } buf; | |
4d8dd149 | 26 | } u; |
473166b9 | 27 | const char *origin_type; |
924aaf3e | 28 | const char *name; |
d14d4244 | 29 | const char *path; |
b2dc0945 | 30 | int die_on_error; |
924aaf3e RJ |
31 | int linenr; |
32 | int eof; | |
33 | struct strbuf value; | |
0971e992 | 34 | struct strbuf var; |
924aaf3e | 35 | |
49d6cfa5 JK |
36 | int (*do_fgetc)(struct config_source *c); |
37 | int (*do_ungetc)(int c, struct config_source *conf); | |
38 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
39 | }; |
40 | ||
0d44a2da JK |
41 | /* |
42 | * These variables record the "current" config source, which | |
43 | * can be accessed by parsing callbacks. | |
44 | * | |
45 | * The "cf" variable will be non-NULL only when we are actually parsing a real | |
46 | * config source (file, blob, cmdline, etc). | |
47 | * | |
48 | * The "current_config_kvi" variable will be non-NULL only when we are feeding | |
49 | * cached config from a configset into a callback. | |
50 | * | |
51 | * They should generally never be non-NULL at the same time. If they are both | |
52 | * NULL, then we aren't parsing anything (and depending on the function looking | |
53 | * at the variables, it's either a bug for it to be called in the first place, | |
54 | * or it's a function which can be reused for non-config purposes, and should | |
55 | * fall back to some sane behavior). | |
56 | */ | |
4d8dd149 | 57 | static struct config_source *cf; |
0d44a2da | 58 | static struct key_value_info *current_config_kvi; |
924aaf3e | 59 | |
9acc5911 JK |
60 | /* |
61 | * Similar to the variables above, this gives access to the "scope" of the | |
62 | * current value (repo, global, etc). For cached values, it can be found via | |
63 | * the current_config_kvi as above. During parsing, the current value can be | |
64 | * found in this variable. It's not part of "cf" because it transcends a single | |
65 | * file (i.e., a file included from .git/config is still in "repo" scope). | |
66 | */ | |
67 | static enum config_scope current_parsing_scope; | |
924aaf3e | 68 | |
960ccca6 DH |
69 | static int zlib_compression_seen; |
70 | ||
3c8687a7 TA |
71 | /* |
72 | * Default config_set that contains key-value pairs from the usual set of config | |
73 | * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG | |
74 | * config file and the global /etc/gitconfig) | |
75 | */ | |
76 | static struct config_set the_config_set; | |
77 | ||
4d8dd149 HV |
78 | static int config_file_fgetc(struct config_source *conf) |
79 | { | |
260d408e | 80 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
81 | } |
82 | ||
83 | static int config_file_ungetc(int c, struct config_source *conf) | |
84 | { | |
85 | return ungetc(c, conf->u.file); | |
86 | } | |
87 | ||
88 | static long config_file_ftell(struct config_source *conf) | |
89 | { | |
90 | return ftell(conf->u.file); | |
91 | } | |
92 | ||
1bc88819 HV |
93 | |
94 | static int config_buf_fgetc(struct config_source *conf) | |
95 | { | |
96 | if (conf->u.buf.pos < conf->u.buf.len) | |
97 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
98 | ||
99 | return EOF; | |
100 | } | |
101 | ||
102 | static int config_buf_ungetc(int c, struct config_source *conf) | |
103 | { | |
1d0655c1 JK |
104 | if (conf->u.buf.pos > 0) { |
105 | conf->u.buf.pos--; | |
106 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
107 | die("BUG: config_buf can only ungetc the same character"); | |
108 | return c; | |
109 | } | |
1bc88819 HV |
110 | |
111 | return EOF; | |
112 | } | |
113 | ||
114 | static long config_buf_ftell(struct config_source *conf) | |
115 | { | |
116 | return conf->u.buf.pos; | |
117 | } | |
118 | ||
9b25a0b5 JK |
119 | #define MAX_INCLUDE_DEPTH 10 |
120 | static const char include_depth_advice[] = | |
121 | "exceeded maximum include depth (%d) while including\n" | |
122 | " %s\n" | |
123 | "from\n" | |
124 | " %s\n" | |
125 | "Do you have circular includes?"; | |
126 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
127 | { | |
128 | int ret = 0; | |
129 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 130 | char *expanded; |
4c0a89fc | 131 | |
67beb600 JK |
132 | if (!path) |
133 | return config_error_nonbool("include.path"); | |
134 | ||
135 | expanded = expand_user_path(path); | |
4c0a89fc | 136 | if (!expanded) |
8c3ca351 | 137 | return error("could not expand include path '%s'", path); |
4c0a89fc | 138 | path = expanded; |
9b25a0b5 JK |
139 | |
140 | /* | |
141 | * Use an absolute path as-is, but interpret relative paths | |
142 | * based on the including config file. | |
143 | */ | |
144 | if (!is_absolute_path(path)) { | |
145 | char *slash; | |
146 | ||
d14d4244 | 147 | if (!cf || !cf->path) |
9b25a0b5 JK |
148 | return error("relative config includes must come from files"); |
149 | ||
d14d4244 | 150 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 151 | if (slash) |
d14d4244 | 152 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
153 | strbuf_addstr(&buf, path); |
154 | path = buf.buf; | |
155 | } | |
156 | ||
4698c8fe | 157 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
158 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
159 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
3258258f JK |
160 | !cf ? "<unknown>" : |
161 | cf->name ? cf->name : | |
162 | "the command line"); | |
9b25a0b5 JK |
163 | ret = git_config_from_file(git_config_include, path, inc); |
164 | inc->depth--; | |
165 | } | |
166 | strbuf_release(&buf); | |
4c0a89fc | 167 | free(expanded); |
9b25a0b5 JK |
168 | return ret; |
169 | } | |
170 | ||
171 | int git_config_include(const char *var, const char *value, void *data) | |
172 | { | |
173 | struct config_include_data *inc = data; | |
9b25a0b5 JK |
174 | int ret; |
175 | ||
176 | /* | |
177 | * Pass along all values, including "include" directives; this makes it | |
178 | * possible to query information on the includes themselves. | |
179 | */ | |
180 | ret = inc->fn(var, value, inc->data); | |
181 | if (ret < 0) | |
182 | return ret; | |
183 | ||
37007c3a | 184 | if (!strcmp(var, "include.path")) |
9b25a0b5 JK |
185 | ret = handle_path_include(value, inc); |
186 | return ret; | |
187 | } | |
188 | ||
2b64fc89 JK |
189 | void git_config_push_parameter(const char *text) |
190 | { | |
191 | struct strbuf env = STRBUF_INIT; | |
192 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 193 | if (old && *old) { |
2b64fc89 JK |
194 | strbuf_addstr(&env, old); |
195 | strbuf_addch(&env, ' '); | |
196 | } | |
197 | sq_quote_buf(&env, text); | |
198 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
199 | strbuf_release(&env); | |
200 | } | |
201 | ||
2496844b JK |
202 | int git_config_parse_parameter(const char *text, |
203 | config_fn_t fn, void *data) | |
8b1fa778 | 204 | { |
a789ca70 | 205 | const char *value; |
572e4f6a | 206 | struct strbuf **pair; |
a789ca70 | 207 | |
f77bccae | 208 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
209 | if (!pair[0]) |
210 | return error("bogus config parameter: %s", text); | |
a789ca70 JH |
211 | |
212 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 213 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
214 | value = pair[1] ? pair[1]->buf : ""; |
215 | } else { | |
216 | value = NULL; | |
217 | } | |
218 | ||
572e4f6a AR |
219 | strbuf_trim(pair[0]); |
220 | if (!pair[0]->len) { | |
221 | strbuf_list_free(pair); | |
06eb708f | 222 | return error("bogus config parameter: %s", text); |
8b1fa778 | 223 | } |
ffb20ce1 | 224 | strbuf_tolower(pair[0]); |
a789ca70 | 225 | if (fn(pair[0]->buf, value, data) < 0) { |
06eb708f JK |
226 | strbuf_list_free(pair); |
227 | return -1; | |
572e4f6a AR |
228 | } |
229 | strbuf_list_free(pair); | |
8b1fa778 AR |
230 | return 0; |
231 | } | |
232 | ||
06eb708f JK |
233 | int git_config_from_parameters(config_fn_t fn, void *data) |
234 | { | |
2b64fc89 | 235 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
a77d6db6 | 236 | int ret = 0; |
2b64fc89 JK |
237 | char *envw; |
238 | const char **argv = NULL; | |
239 | int nr = 0, alloc = 0; | |
240 | int i; | |
3258258f | 241 | struct config_source source; |
2b64fc89 JK |
242 | |
243 | if (!env) | |
244 | return 0; | |
3258258f JK |
245 | |
246 | memset(&source, 0, sizeof(source)); | |
247 | source.prev = cf; | |
248 | cf = &source; | |
249 | ||
2b64fc89 JK |
250 | /* sq_dequote will write over it */ |
251 | envw = xstrdup(env); | |
252 | ||
253 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
a77d6db6 JK |
254 | ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT); |
255 | goto out; | |
2b64fc89 JK |
256 | } |
257 | ||
258 | for (i = 0; i < nr; i++) { | |
06eb708f | 259 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
a77d6db6 JK |
260 | ret = -1; |
261 | goto out; | |
2b64fc89 JK |
262 | } |
263 | } | |
264 | ||
a77d6db6 | 265 | out: |
2b64fc89 JK |
266 | free(argv); |
267 | free(envw); | |
3258258f | 268 | cf = source.prev; |
a77d6db6 | 269 | return ret; |
2b64fc89 JK |
270 | } |
271 | ||
17712991 LT |
272 | static int get_next_char(void) |
273 | { | |
49d6cfa5 | 274 | int c = cf->do_fgetc(cf); |
17712991 | 275 | |
dbb9a812 HV |
276 | if (c == '\r') { |
277 | /* DOS like systems */ | |
49d6cfa5 | 278 | c = cf->do_fgetc(cf); |
dbb9a812 | 279 | if (c != '\n') { |
5e0be134 JK |
280 | if (c != EOF) |
281 | cf->do_ungetc(c, cf); | |
dbb9a812 | 282 | c = '\r'; |
17712991 LT |
283 | } |
284 | } | |
dbb9a812 HV |
285 | if (c == '\n') |
286 | cf->linenr++; | |
287 | if (c == EOF) { | |
288 | cf->eof = 1; | |
b3b3f60b | 289 | cf->linenr++; |
dbb9a812 HV |
290 | c = '\n'; |
291 | } | |
17712991 LT |
292 | return c; |
293 | } | |
294 | ||
295 | static char *parse_value(void) | |
296 | { | |
e96c19c5 | 297 | int quote = 0, comment = 0, space = 0; |
17712991 | 298 | |
924aaf3e | 299 | strbuf_reset(&cf->value); |
17712991 LT |
300 | for (;;) { |
301 | int c = get_next_char(); | |
17712991 | 302 | if (c == '\n') { |
4b340593 MS |
303 | if (quote) { |
304 | cf->linenr--; | |
17712991 | 305 | return NULL; |
4b340593 | 306 | } |
924aaf3e | 307 | return cf->value.buf; |
17712991 LT |
308 | } |
309 | if (comment) | |
310 | continue; | |
311 | if (isspace(c) && !quote) { | |
924aaf3e | 312 | if (cf->value.len) |
ebdaae37 | 313 | space++; |
17712991 LT |
314 | continue; |
315 | } | |
7ebdba61 JS |
316 | if (!quote) { |
317 | if (c == ';' || c == '#') { | |
318 | comment = 1; | |
319 | continue; | |
320 | } | |
321 | } | |
ebdaae37 | 322 | for (; space; space--) |
924aaf3e | 323 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
324 | if (c == '\\') { |
325 | c = get_next_char(); | |
326 | switch (c) { | |
327 | case '\n': | |
328 | continue; | |
329 | case 't': | |
330 | c = '\t'; | |
331 | break; | |
332 | case 'b': | |
333 | c = '\b'; | |
334 | break; | |
335 | case 'n': | |
336 | c = '\n'; | |
337 | break; | |
5cbb401d LT |
338 | /* Some characters escape as themselves */ |
339 | case '\\': case '"': | |
340 | break; | |
341 | /* Reject unknown escape sequences */ | |
342 | default: | |
343 | return NULL; | |
17712991 | 344 | } |
924aaf3e | 345 | strbuf_addch(&cf->value, c); |
17712991 LT |
346 | continue; |
347 | } | |
348 | if (c == '"') { | |
349 | quote = 1-quote; | |
350 | continue; | |
351 | } | |
924aaf3e | 352 | strbuf_addch(&cf->value, c); |
17712991 LT |
353 | } |
354 | } | |
355 | ||
38c5afa8 LT |
356 | static inline int iskeychar(int c) |
357 | { | |
358 | return isalnum(c) || c == '-'; | |
359 | } | |
360 | ||
0971e992 | 361 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
362 | { |
363 | int c; | |
364 | char *value; | |
b3b3f60b | 365 | int ret; |
17712991 LT |
366 | |
367 | /* Get the full name */ | |
368 | for (;;) { | |
369 | c = get_next_char(); | |
924aaf3e | 370 | if (cf->eof) |
17712991 | 371 | break; |
38c5afa8 | 372 | if (!iskeychar(c)) |
17712991 | 373 | break; |
0971e992 | 374 | strbuf_addch(name, tolower(c)); |
17712991 | 375 | } |
0971e992 | 376 | |
17712991 LT |
377 | while (c == ' ' || c == '\t') |
378 | c = get_next_char(); | |
379 | ||
380 | value = NULL; | |
381 | if (c != '\n') { | |
382 | if (c != '=') | |
383 | return -1; | |
384 | value = parse_value(); | |
385 | if (!value) | |
386 | return -1; | |
387 | } | |
b3b3f60b MM |
388 | /* |
389 | * We already consumed the \n, but we need linenr to point to | |
390 | * the line we just parsed during the call to fn to get | |
391 | * accurate line number in error messages. | |
392 | */ | |
393 | cf->linenr--; | |
394 | ret = fn(name->buf, value, data); | |
395 | cf->linenr++; | |
396 | return ret; | |
17712991 LT |
397 | } |
398 | ||
0971e992 | 399 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
400 | { |
401 | do { | |
402 | if (c == '\n') | |
4b340593 | 403 | goto error_incomplete_line; |
d14f7764 LT |
404 | c = get_next_char(); |
405 | } while (isspace(c)); | |
406 | ||
407 | /* We require the format to be '[base "extension"]' */ | |
408 | if (c != '"') | |
409 | return -1; | |
0971e992 | 410 | strbuf_addch(name, '.'); |
d14f7764 LT |
411 | |
412 | for (;;) { | |
413 | int c = get_next_char(); | |
414 | if (c == '\n') | |
4b340593 | 415 | goto error_incomplete_line; |
d14f7764 LT |
416 | if (c == '"') |
417 | break; | |
418 | if (c == '\\') { | |
419 | c = get_next_char(); | |
420 | if (c == '\n') | |
4b340593 | 421 | goto error_incomplete_line; |
d14f7764 | 422 | } |
0971e992 | 423 | strbuf_addch(name, c); |
d14f7764 LT |
424 | } |
425 | ||
426 | /* Final ']' */ | |
427 | if (get_next_char() != ']') | |
428 | return -1; | |
0971e992 | 429 | return 0; |
4b340593 MS |
430 | error_incomplete_line: |
431 | cf->linenr--; | |
432 | return -1; | |
d14f7764 LT |
433 | } |
434 | ||
0971e992 | 435 | static int get_base_var(struct strbuf *name) |
17712991 | 436 | { |
17712991 LT |
437 | for (;;) { |
438 | int c = get_next_char(); | |
924aaf3e | 439 | if (cf->eof) |
17712991 LT |
440 | return -1; |
441 | if (c == ']') | |
0971e992 | 442 | return 0; |
d14f7764 | 443 | if (isspace(c)) |
0971e992 | 444 | return get_extended_base_var(name, c); |
38c5afa8 | 445 | if (!iskeychar(c) && c != '.') |
17712991 | 446 | return -1; |
0971e992 | 447 | strbuf_addch(name, tolower(c)); |
17712991 LT |
448 | } |
449 | } | |
450 | ||
4d8dd149 | 451 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
452 | { |
453 | int comment = 0; | |
454 | int baselen = 0; | |
0971e992 | 455 | struct strbuf *var = &cf->var; |
17712991 | 456 | |
de056402 | 457 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 458 | const char *bomptr = utf8_bom; |
de056402 | 459 | |
17712991 LT |
460 | for (;;) { |
461 | int c = get_next_char(); | |
de056402 PB |
462 | if (bomptr && *bomptr) { |
463 | /* We are at the file beginning; skip UTF8-encoded BOM | |
464 | * if present. Sane editors won't put this in on their | |
465 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 466 | if (c == (*bomptr & 0377)) { |
de056402 PB |
467 | bomptr++; |
468 | continue; | |
469 | } else { | |
470 | /* Do not tolerate partial BOM. */ | |
471 | if (bomptr != utf8_bom) | |
472 | break; | |
473 | /* No BOM at file beginning. Cool. */ | |
474 | bomptr = NULL; | |
475 | } | |
476 | } | |
17712991 | 477 | if (c == '\n') { |
924aaf3e | 478 | if (cf->eof) |
17712991 LT |
479 | return 0; |
480 | comment = 0; | |
481 | continue; | |
482 | } | |
483 | if (comment || isspace(c)) | |
484 | continue; | |
485 | if (c == '#' || c == ';') { | |
486 | comment = 1; | |
487 | continue; | |
488 | } | |
489 | if (c == '[') { | |
0971e992 BW |
490 | /* Reset prior to determining a new stem */ |
491 | strbuf_reset(var); | |
492 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 493 | break; |
0971e992 BW |
494 | strbuf_addch(var, '.'); |
495 | baselen = var->len; | |
17712991 LT |
496 | continue; |
497 | } | |
498 | if (!isalpha(c)) | |
499 | break; | |
0971e992 BW |
500 | /* |
501 | * Truncate the var name back to the section header | |
502 | * stem prior to grabbing the suffix part of the name | |
503 | * and the value. | |
504 | */ | |
505 | strbuf_setlen(var, baselen); | |
506 | strbuf_addch(var, tolower(c)); | |
507 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
508 | break; |
509 | } | |
b2dc0945 | 510 | if (cf->die_on_error) |
473166b9 | 511 | die(_("bad config line %d in %s %s"), cf->linenr, cf->origin_type, cf->name); |
b2dc0945 | 512 | else |
473166b9 | 513 | return error(_("bad config line %d in %s %s"), cf->linenr, cf->origin_type, cf->name); |
17712991 LT |
514 | } |
515 | ||
ebaa1bd4 | 516 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
517 | { |
518 | if (!*end) | |
519 | return 1; | |
c8deb5a1 SP |
520 | else if (!strcasecmp(end, "k")) { |
521 | *val *= 1024; | |
522 | return 1; | |
523 | } | |
524 | else if (!strcasecmp(end, "m")) { | |
525 | *val *= 1024 * 1024; | |
526 | return 1; | |
527 | } | |
528 | else if (!strcasecmp(end, "g")) { | |
529 | *val *= 1024 * 1024 * 1024; | |
530 | return 1; | |
531 | } | |
532 | return 0; | |
0b87b6e0 BD |
533 | } |
534 | ||
7192777d | 535 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
536 | { |
537 | if (value && *value) { | |
538 | char *end; | |
ebaa1bd4 NA |
539 | intmax_t val; |
540 | uintmax_t uval; | |
541 | uintmax_t factor = 1; | |
542 | ||
543 | errno = 0; | |
544 | val = strtoimax(value, &end, 0); | |
545 | if (errno == ERANGE) | |
546 | return 0; | |
33fdd77e JK |
547 | if (!parse_unit_factor(end, &factor)) { |
548 | errno = EINVAL; | |
c8deb5a1 | 549 | return 0; |
33fdd77e | 550 | } |
83915ba5 | 551 | uval = labs(val); |
ebaa1bd4 | 552 | uval *= factor; |
83915ba5 | 553 | if (uval > max || labs(val) > uval) { |
33fdd77e | 554 | errno = ERANGE; |
ebaa1bd4 | 555 | return 0; |
33fdd77e | 556 | } |
ebaa1bd4 NA |
557 | val *= factor; |
558 | *ret = val; | |
0b87b6e0 BD |
559 | return 1; |
560 | } | |
33fdd77e | 561 | errno = EINVAL; |
0b87b6e0 BD |
562 | return 0; |
563 | } | |
564 | ||
0b4dc661 | 565 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
566 | { |
567 | if (value && *value) { | |
568 | char *end; | |
ebaa1bd4 NA |
569 | uintmax_t val; |
570 | uintmax_t oldval; | |
571 | ||
572 | errno = 0; | |
573 | val = strtoumax(value, &end, 0); | |
574 | if (errno == ERANGE) | |
575 | return 0; | |
576 | oldval = val; | |
33fdd77e JK |
577 | if (!parse_unit_factor(end, &val)) { |
578 | errno = EINVAL; | |
c8deb5a1 | 579 | return 0; |
33fdd77e JK |
580 | } |
581 | if (val > max || oldval > val) { | |
582 | errno = ERANGE; | |
ebaa1bd4 | 583 | return 0; |
33fdd77e | 584 | } |
c8deb5a1 | 585 | *ret = val; |
0b87b6e0 | 586 | return 1; |
17712991 | 587 | } |
33fdd77e | 588 | errno = EINVAL; |
0b87b6e0 BD |
589 | return 0; |
590 | } | |
591 | ||
42d194e9 | 592 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 593 | { |
7192777d | 594 | intmax_t tmp; |
42d194e9 | 595 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
596 | return 0; |
597 | *ret = tmp; | |
598 | return 1; | |
599 | } | |
600 | ||
00160242 JK |
601 | static int git_parse_int64(const char *value, int64_t *ret) |
602 | { | |
603 | intmax_t tmp; | |
604 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
605 | return 0; | |
606 | *ret = tmp; | |
607 | return 1; | |
608 | } | |
609 | ||
7192777d JK |
610 | int git_parse_ulong(const char *value, unsigned long *ret) |
611 | { | |
612 | uintmax_t tmp; | |
613 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
614 | return 0; | |
615 | *ret = tmp; | |
616 | return 1; | |
617 | } | |
618 | ||
06bdc23b | 619 | NORETURN |
2f666581 | 620 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 621 | { |
2f666581 JK |
622 | const char *reason = errno == ERANGE ? |
623 | "out of range" : | |
624 | "invalid unit"; | |
625 | if (!value) | |
626 | value = ""; | |
627 | ||
473166b9 LS |
628 | if (cf && cf->origin_type && cf->name) |
629 | die(_("bad numeric config value '%s' for '%s' in %s %s: %s"), | |
630 | value, name, cf->origin_type, cf->name, reason); | |
8262aaa2 | 631 | die(_("bad numeric config value '%s' for '%s': %s"), value, name, reason); |
c1867cea JK |
632 | } |
633 | ||
0b87b6e0 BD |
634 | int git_config_int(const char *name, const char *value) |
635 | { | |
42d194e9 JK |
636 | int ret; |
637 | if (!git_parse_int(value, &ret)) | |
2f666581 | 638 | die_bad_number(name, value); |
0b87b6e0 BD |
639 | return ret; |
640 | } | |
641 | ||
00160242 JK |
642 | int64_t git_config_int64(const char *name, const char *value) |
643 | { | |
644 | int64_t ret; | |
645 | if (!git_parse_int64(value, &ret)) | |
646 | die_bad_number(name, value); | |
0b87b6e0 BD |
647 | return ret; |
648 | } | |
649 | ||
650 | unsigned long git_config_ulong(const char *name, const char *value) | |
651 | { | |
652 | unsigned long ret; | |
653 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 654 | die_bad_number(name, value); |
0b87b6e0 | 655 | return ret; |
17712991 LT |
656 | } |
657 | ||
9a549d43 | 658 | int git_parse_maybe_bool(const char *value) |
17712991 LT |
659 | { |
660 | if (!value) | |
661 | return 1; | |
662 | if (!*value) | |
663 | return 0; | |
8420ccd8 JH |
664 | if (!strcasecmp(value, "true") |
665 | || !strcasecmp(value, "yes") | |
666 | || !strcasecmp(value, "on")) | |
17712991 | 667 | return 1; |
8420ccd8 JH |
668 | if (!strcasecmp(value, "false") |
669 | || !strcasecmp(value, "no") | |
670 | || !strcasecmp(value, "off")) | |
17712991 | 671 | return 0; |
8420ccd8 JH |
672 | return -1; |
673 | } | |
674 | ||
b2be2f6a JK |
675 | int git_config_maybe_bool(const char *name, const char *value) |
676 | { | |
9a549d43 | 677 | int v = git_parse_maybe_bool(value); |
b2be2f6a JK |
678 | if (0 <= v) |
679 | return v; | |
42d194e9 | 680 | if (git_parse_int(value, &v)) |
db6195ef | 681 | return !!v; |
b2be2f6a JK |
682 | return -1; |
683 | } | |
684 | ||
8420ccd8 JH |
685 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
686 | { | |
9a549d43 | 687 | int v = git_parse_maybe_bool(value); |
8420ccd8 JH |
688 | if (0 <= v) { |
689 | *is_bool = 1; | |
690 | return v; | |
691 | } | |
a53f2ec6 | 692 | *is_bool = 0; |
c35b0b58 | 693 | return git_config_int(name, value); |
17712991 LT |
694 | } |
695 | ||
a53f2ec6 JH |
696 | int git_config_bool(const char *name, const char *value) |
697 | { | |
698 | int discard; | |
c35b0b58 | 699 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
700 | } |
701 | ||
ea5105a5 CC |
702 | int git_config_string(const char **dest, const char *var, const char *value) |
703 | { | |
704 | if (!value) | |
705 | return config_error_nonbool(var); | |
706 | *dest = xstrdup(value); | |
707 | return 0; | |
708 | } | |
709 | ||
395de250 MM |
710 | int git_config_pathname(const char **dest, const char *var, const char *value) |
711 | { | |
712 | if (!value) | |
713 | return config_error_nonbool(var); | |
714 | *dest = expand_user_path(value); | |
715 | if (!*dest) | |
8262aaa2 | 716 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
717 | return 0; |
718 | } | |
719 | ||
806e2ad7 | 720 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
721 | { |
722 | /* This needs a better name */ | |
723 | if (!strcmp(var, "core.filemode")) { | |
724 | trust_executable_bit = git_config_bool(var, value); | |
725 | return 0; | |
726 | } | |
1ce4790b AR |
727 | if (!strcmp(var, "core.trustctime")) { |
728 | trust_ctime = git_config_bool(var, value); | |
729 | return 0; | |
730 | } | |
c1b5d738 | 731 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
732 | if (!strcasecmp(value, "default")) |
733 | check_stat = 1; | |
734 | else if (!strcasecmp(value, "minimal")) | |
735 | check_stat = 0; | |
736 | } | |
17712991 | 737 | |
9378c161 JH |
738 | if (!strcmp(var, "core.quotepath")) { |
739 | quote_path_fully = git_config_bool(var, value); | |
740 | return 0; | |
741 | } | |
742 | ||
78a8d641 JS |
743 | if (!strcmp(var, "core.symlinks")) { |
744 | has_symlinks = git_config_bool(var, value); | |
745 | return 0; | |
746 | } | |
747 | ||
0a9b88b7 LT |
748 | if (!strcmp(var, "core.ignorecase")) { |
749 | ignore_case = git_config_bool(var, value); | |
750 | return 0; | |
751 | } | |
752 | ||
64589a03 JH |
753 | if (!strcmp(var, "core.attributesfile")) |
754 | return git_config_pathname(&git_attributes_file, var, value); | |
755 | ||
867ad08a ÆAB |
756 | if (!strcmp(var, "core.hookspath")) |
757 | return git_config_pathname(&git_hooks_path, var, value); | |
758 | ||
7d1864ce JH |
759 | if (!strcmp(var, "core.bare")) { |
760 | is_bare_repository_cfg = git_config_bool(var, value); | |
761 | return 0; | |
762 | } | |
763 | ||
5f73076c JH |
764 | if (!strcmp(var, "core.ignorestat")) { |
765 | assume_unchanged = git_config_bool(var, value); | |
766 | return 0; | |
767 | } | |
768 | ||
e388c738 JH |
769 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
770 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
771 | return 0; |
772 | } | |
773 | ||
6de08ae6 SP |
774 | if (!strcmp(var, "core.logallrefupdates")) { |
775 | log_all_ref_updates = git_config_bool(var, value); | |
776 | return 0; | |
777 | } | |
778 | ||
2f8acdb3 JH |
779 | if (!strcmp(var, "core.warnambiguousrefs")) { |
780 | warn_ambiguous_refs = git_config_bool(var, value); | |
781 | return 0; | |
782 | } | |
783 | ||
a71f09fe | 784 | if (!strcmp(var, "core.abbrev")) { |
dce96489 LT |
785 | int abbrev = git_config_int(var, value); |
786 | if (abbrev < minimum_abbrev || abbrev > 40) | |
787 | return -1; | |
788 | default_abbrev = abbrev; | |
789 | return 0; | |
790 | } | |
791 | ||
960ccca6 | 792 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
793 | int level = git_config_int(var, value); |
794 | if (level == -1) | |
795 | level = Z_DEFAULT_COMPRESSION; | |
796 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 797 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 798 | zlib_compression_level = level; |
960ccca6 DH |
799 | zlib_compression_seen = 1; |
800 | return 0; | |
801 | } | |
802 | ||
803 | if (!strcmp(var, "core.compression")) { | |
804 | int level = git_config_int(var, value); | |
805 | if (level == -1) | |
806 | level = Z_DEFAULT_COMPRESSION; | |
807 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 808 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
809 | core_compression_level = level; |
810 | core_compression_seen = 1; | |
811 | if (!zlib_compression_seen) | |
812 | zlib_compression_level = level; | |
12f6c308 JBH |
813 | return 0; |
814 | } | |
815 | ||
60bb8b14 | 816 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 817 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 818 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
819 | |
820 | /* This value must be multiple of (pagesize * 2) */ | |
821 | packed_git_window_size /= pgsz_x2; | |
822 | if (packed_git_window_size < 1) | |
823 | packed_git_window_size = 1; | |
824 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
825 | return 0; |
826 | } | |
827 | ||
15366280 | 828 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 829 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
830 | return 0; |
831 | } | |
832 | ||
77ccc5bb | 833 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 834 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
835 | return 0; |
836 | } | |
837 | ||
18bdec11 | 838 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 839 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
840 | return 0; |
841 | } | |
842 | ||
6c510bee | 843 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 844 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 845 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
846 | return 0; |
847 | } | |
6c510bee LT |
848 | auto_crlf = git_config_bool(var, value); |
849 | return 0; | |
850 | } | |
851 | ||
21e5ad50 SP |
852 | if (!strcmp(var, "core.safecrlf")) { |
853 | if (value && !strcasecmp(value, "warn")) { | |
854 | safe_crlf = SAFE_CRLF_WARN; | |
855 | return 0; | |
856 | } | |
857 | safe_crlf = git_config_bool(var, value); | |
858 | return 0; | |
859 | } | |
860 | ||
942e7747 EB |
861 | if (!strcmp(var, "core.eol")) { |
862 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 863 | core_eol = EOL_LF; |
942e7747 | 864 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 865 | core_eol = EOL_CRLF; |
942e7747 | 866 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 867 | core_eol = EOL_NATIVE; |
942e7747 | 868 | else |
ec70f52f | 869 | core_eol = EOL_UNSET; |
942e7747 EB |
870 | return 0; |
871 | } | |
872 | ||
a97a7468 JS |
873 | if (!strcmp(var, "core.notesref")) { |
874 | notes_ref_name = xstrdup(value); | |
875 | return 0; | |
876 | } | |
877 | ||
806e2ad7 LT |
878 | if (!strcmp(var, "core.pager")) |
879 | return git_config_string(&pager_program, var, value); | |
880 | ||
881 | if (!strcmp(var, "core.editor")) | |
882 | return git_config_string(&editor_program, var, value); | |
883 | ||
eff80a9f | 884 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
885 | if (!value) |
886 | return config_error_nonbool(var); | |
ad524f83 | 887 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 888 | auto_comment_line_char = 1; |
ad524f83 | 889 | else if (value[0] && !value[1]) { |
649409b7 | 890 | comment_line_char = value[0]; |
84c9dc2c | 891 | auto_comment_line_char = 0; |
50b54fd7 NTND |
892 | } else |
893 | return error("core.commentChar should only be one character"); | |
894 | return 0; | |
eff80a9f JH |
895 | } |
896 | ||
d3e7da89 AK |
897 | if (!strcmp(var, "core.askpass")) |
898 | return git_config_string(&askpass_program, var, value); | |
899 | ||
806e2ad7 | 900 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 901 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
902 | |
903 | if (!strcmp(var, "core.whitespace")) { | |
904 | if (!value) | |
905 | return config_error_nonbool(var); | |
906 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
907 | return 0; | |
908 | } | |
909 | ||
aafe9fba LT |
910 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
911 | fsync_object_files = git_config_bool(var, value); | |
912 | return 0; | |
913 | } | |
914 | ||
671c9b7e LT |
915 | if (!strcmp(var, "core.preloadindex")) { |
916 | core_preload_index = git_config_bool(var, value); | |
917 | return 0; | |
918 | } | |
919 | ||
348df166 JS |
920 | if (!strcmp(var, "core.createobject")) { |
921 | if (!strcmp(value, "rename")) | |
922 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
923 | else if (!strcmp(value, "link")) | |
924 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
925 | else | |
8262aaa2 | 926 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
927 | return 0; |
928 | } | |
929 | ||
08aefc9e NTND |
930 | if (!strcmp(var, "core.sparsecheckout")) { |
931 | core_apply_sparse_checkout = git_config_bool(var, value); | |
932 | return 0; | |
933 | } | |
934 | ||
76759c7d TB |
935 | if (!strcmp(var, "core.precomposeunicode")) { |
936 | precomposed_unicode = git_config_bool(var, value); | |
937 | return 0; | |
938 | } | |
939 | ||
a42643aa JK |
940 | if (!strcmp(var, "core.protecthfs")) { |
941 | protect_hfs = git_config_bool(var, value); | |
942 | return 0; | |
943 | } | |
944 | ||
2b4c6efc JS |
945 | if (!strcmp(var, "core.protectntfs")) { |
946 | protect_ntfs = git_config_bool(var, value); | |
947 | return 0; | |
76759c7d TB |
948 | } |
949 | ||
f30afdab JS |
950 | if (!strcmp(var, "core.hidedotfiles")) { |
951 | if (value && !strcasecmp(value, "dotgitonly")) | |
952 | hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; | |
953 | else | |
954 | hide_dotfiles = git_config_bool(var, value); | |
955 | return 0; | |
956 | } | |
957 | ||
806e2ad7 LT |
958 | /* Add other config variables here and to Documentation/config.txt. */ |
959 | return 0; | |
960 | } | |
961 | ||
1141f492 | 962 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 963 | { |
ea5105a5 CC |
964 | if (!strcmp(var, "i18n.commitencoding")) |
965 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 966 | |
ea5105a5 CC |
967 | if (!strcmp(var, "i18n.logoutputencoding")) |
968 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 969 | |
1141f492 LT |
970 | /* Add other config variables here and to Documentation/config.txt. */ |
971 | return 0; | |
972 | } | |
039bc64e | 973 | |
1141f492 LT |
974 | static int git_default_branch_config(const char *var, const char *value) |
975 | { | |
9ed36cfa JS |
976 | if (!strcmp(var, "branch.autosetupmerge")) { |
977 | if (value && !strcasecmp(value, "always")) { | |
978 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
979 | return 0; | |
980 | } | |
981 | git_branch_track = git_config_bool(var, value); | |
982 | return 0; | |
983 | } | |
c998ae9b DS |
984 | if (!strcmp(var, "branch.autosetuprebase")) { |
985 | if (!value) | |
986 | return config_error_nonbool(var); | |
987 | else if (!strcmp(value, "never")) | |
988 | autorebase = AUTOREBASE_NEVER; | |
989 | else if (!strcmp(value, "local")) | |
990 | autorebase = AUTOREBASE_LOCAL; | |
991 | else if (!strcmp(value, "remote")) | |
992 | autorebase = AUTOREBASE_REMOTE; | |
993 | else if (!strcmp(value, "always")) | |
994 | autorebase = AUTOREBASE_ALWAYS; | |
995 | else | |
8c3ca351 | 996 | return error("malformed value for %s", var); |
c998ae9b DS |
997 | return 0; |
998 | } | |
a9cc857a | 999 | |
1ab661dd | 1000 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1001 | return 0; |
1002 | } | |
1003 | ||
52153747 FAG |
1004 | static int git_default_push_config(const char *var, const char *value) |
1005 | { | |
1006 | if (!strcmp(var, "push.default")) { | |
1007 | if (!value) | |
1008 | return config_error_nonbool(var); | |
1009 | else if (!strcmp(value, "nothing")) | |
1010 | push_default = PUSH_DEFAULT_NOTHING; | |
1011 | else if (!strcmp(value, "matching")) | |
1012 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1013 | else if (!strcmp(value, "simple")) |
1014 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1015 | else if (!strcmp(value, "upstream")) |
1016 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1017 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1018 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1019 | else if (!strcmp(value, "current")) |
1020 | push_default = PUSH_DEFAULT_CURRENT; | |
1021 | else { | |
8c3ca351 | 1022 | error("malformed value for %s: %s", var, value); |
b55e6775 MM |
1023 | return error("Must be one of nothing, matching, simple, " |
1024 | "upstream or current."); | |
52153747 FAG |
1025 | } |
1026 | return 0; | |
1027 | } | |
1028 | ||
1029 | /* Add other config variables here and to Documentation/config.txt. */ | |
1030 | return 0; | |
1031 | } | |
1032 | ||
d551a488 MSO |
1033 | static int git_default_mailmap_config(const char *var, const char *value) |
1034 | { | |
1035 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1036 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1037 | if (!strcmp(var, "mailmap.blob")) |
1038 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1039 | |
1040 | /* Add other config variables here and to Documentation/config.txt. */ | |
1041 | return 0; | |
1042 | } | |
1043 | ||
1141f492 LT |
1044 | int git_default_config(const char *var, const char *value, void *dummy) |
1045 | { | |
59556548 | 1046 | if (starts_with(var, "core.")) |
1141f492 LT |
1047 | return git_default_core_config(var, value); |
1048 | ||
59556548 | 1049 | if (starts_with(var, "user.")) |
9597921b | 1050 | return git_ident_config(var, value, dummy); |
1141f492 | 1051 | |
59556548 | 1052 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1053 | return git_default_i18n_config(var, value); |
1054 | ||
59556548 | 1055 | if (starts_with(var, "branch.")) |
1141f492 LT |
1056 | return git_default_branch_config(var, value); |
1057 | ||
59556548 | 1058 | if (starts_with(var, "push.")) |
52153747 FAG |
1059 | return git_default_push_config(var, value); |
1060 | ||
59556548 | 1061 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1062 | return git_default_mailmap_config(var, value); |
1063 | ||
59556548 | 1064 | if (starts_with(var, "advice.")) |
75194438 JK |
1065 | return git_default_advice_config(var, value); |
1066 | ||
1141f492 LT |
1067 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1068 | pager_use_color = git_config_bool(var,value); | |
1069 | return 0; | |
1070 | } | |
1071 | ||
568508e7 JH |
1072 | if (!strcmp(var, "pack.packsizelimit")) { |
1073 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1074 | return 0; | |
1075 | } | |
1141f492 LT |
1076 | /* Add other config variables here and to Documentation/config.txt. */ |
1077 | return 0; | |
1078 | } | |
1079 | ||
ca4b5de2 | 1080 | /* |
b2dc0945 | 1081 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1082 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1083 | * this function. |
1084 | */ | |
4d8dd149 | 1085 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1086 | { |
1087 | int ret; | |
1088 | ||
1089 | /* push config-file parsing state stack */ | |
1090 | top->prev = cf; | |
1091 | top->linenr = 1; | |
1092 | top->eof = 0; | |
1093 | strbuf_init(&top->value, 1024); | |
1094 | strbuf_init(&top->var, 1024); | |
1095 | cf = top; | |
1096 | ||
4d8dd149 | 1097 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1098 | |
1099 | /* pop config-file parsing state stack */ | |
1100 | strbuf_release(&top->value); | |
1101 | strbuf_release(&top->var); | |
1102 | cf = top->prev; | |
1103 | ||
1104 | return ret; | |
1105 | } | |
1106 | ||
3caec73b | 1107 | static int do_config_from_file(config_fn_t fn, |
473166b9 LS |
1108 | const char *origin_type, const char *name, const char *path, FILE *f, |
1109 | void *data) | |
17712991 | 1110 | { |
3caec73b | 1111 | struct config_source top; |
17712991 | 1112 | |
3caec73b | 1113 | top.u.file = f; |
473166b9 | 1114 | top.origin_type = origin_type; |
3caec73b KS |
1115 | top.name = name; |
1116 | top.path = path; | |
1117 | top.die_on_error = 1; | |
1118 | top.do_fgetc = config_file_fgetc; | |
1119 | top.do_ungetc = config_file_ungetc; | |
1120 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1121 | |
3caec73b KS |
1122 | return do_config_from(&top, fn, data); |
1123 | } | |
924aaf3e | 1124 | |
3caec73b KS |
1125 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1126 | { | |
473166b9 | 1127 | return do_config_from_file(fn, "standard input", "", NULL, stdin, data); |
3caec73b KS |
1128 | } |
1129 | ||
1130 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) | |
1131 | { | |
1132 | int ret = -1; | |
1133 | FILE *f; | |
924aaf3e | 1134 | |
3caec73b KS |
1135 | f = fopen(filename, "r"); |
1136 | if (f) { | |
260d408e | 1137 | flockfile(f); |
473166b9 | 1138 | ret = do_config_from_file(fn, "file", filename, filename, f, data); |
260d408e | 1139 | funlockfile(f); |
17712991 LT |
1140 | fclose(f); |
1141 | } | |
1142 | return ret; | |
1143 | } | |
10bea152 | 1144 | |
473166b9 LS |
1145 | int git_config_from_mem(config_fn_t fn, const char *origin_type, |
1146 | const char *name, const char *buf, size_t len, void *data) | |
1bc88819 HV |
1147 | { |
1148 | struct config_source top; | |
1149 | ||
1150 | top.u.buf.buf = buf; | |
1151 | top.u.buf.len = len; | |
1152 | top.u.buf.pos = 0; | |
473166b9 | 1153 | top.origin_type = origin_type; |
1bc88819 | 1154 | top.name = name; |
d14d4244 | 1155 | top.path = NULL; |
b2dc0945 | 1156 | top.die_on_error = 0; |
49d6cfa5 JK |
1157 | top.do_fgetc = config_buf_fgetc; |
1158 | top.do_ungetc = config_buf_ungetc; | |
1159 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1160 | |
1161 | return do_config_from(&top, fn, data); | |
1162 | } | |
1163 | ||
1164 | static int git_config_from_blob_sha1(config_fn_t fn, | |
1165 | const char *name, | |
1166 | const unsigned char *sha1, | |
1167 | void *data) | |
1168 | { | |
1169 | enum object_type type; | |
1170 | char *buf; | |
1171 | unsigned long size; | |
1172 | int ret; | |
1173 | ||
1174 | buf = read_sha1_file(sha1, &type, &size); | |
1175 | if (!buf) | |
1176 | return error("unable to load config blob object '%s'", name); | |
1177 | if (type != OBJ_BLOB) { | |
1178 | free(buf); | |
1179 | return error("reference '%s' does not point to a blob", name); | |
1180 | } | |
1181 | ||
473166b9 | 1182 | ret = git_config_from_mem(fn, "blob", name, buf, size, data); |
1bc88819 HV |
1183 | free(buf); |
1184 | ||
1185 | return ret; | |
1186 | } | |
1187 | ||
1188 | static int git_config_from_blob_ref(config_fn_t fn, | |
1189 | const char *name, | |
1190 | void *data) | |
1191 | { | |
1192 | unsigned char sha1[20]; | |
1193 | ||
1194 | if (get_sha1(name, sha1) < 0) | |
1195 | return error("unable to resolve config blob '%s'", name); | |
1196 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1197 | } | |
1198 | ||
506b17b1 JS |
1199 | const char *git_etc_gitconfig(void) |
1200 | { | |
7f0e39fa | 1201 | static const char *system_wide; |
2de9de5e SP |
1202 | if (!system_wide) |
1203 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1204 | return system_wide; |
506b17b1 JS |
1205 | } |
1206 | ||
23b0c478 SP |
1207 | /* |
1208 | * Parse environment variable 'k' as a boolean (in various | |
1209 | * possible spellings); if missing, use the default value 'def'. | |
1210 | */ | |
0ef37164 | 1211 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1212 | { |
1213 | const char *v = getenv(k); | |
1214 | return v ? git_config_bool(k, v) : def; | |
1215 | } | |
1216 | ||
23b0c478 SP |
1217 | /* |
1218 | * Parse environment variable 'k' as ulong with possibly a unit | |
1219 | * suffix; if missing, use the default value 'val'. | |
1220 | */ | |
1221 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1222 | { | |
1223 | const char *v = getenv(k); | |
1224 | if (v && !git_parse_ulong(v, &val)) | |
1225 | die("failed to parse %s", k); | |
1226 | return val; | |
1227 | } | |
1228 | ||
ab88c363 JK |
1229 | int git_config_system(void) |
1230 | { | |
1231 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1232 | } | |
1233 | ||
80181868 | 1234 | static int do_git_config_sequence(config_fn_t fn, void *data) |
4f629539 | 1235 | { |
c72ee44b | 1236 | int ret = 0; |
509adc33 PT |
1237 | char *xdg_config = xdg_config_home("config"); |
1238 | char *user_config = expand_user_path("~/.gitconfig"); | |
80181868 | 1239 | char *repo_config = git_pathdup("config"); |
5f1a63e0 | 1240 | |
9acc5911 | 1241 | current_parsing_scope = CONFIG_SCOPE_SYSTEM; |
c72ee44b | 1242 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) |
dc871831 DB |
1243 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1244 | data); | |
5f1a63e0 | 1245 | |
9acc5911 | 1246 | current_parsing_scope = CONFIG_SCOPE_GLOBAL; |
c72ee44b | 1247 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1248 | ret += git_config_from_file(fn, xdg_config, data); |
21cf3227 | 1249 | |
c72ee44b | 1250 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1251 | ret += git_config_from_file(fn, user_config, data); |
5f1a63e0 | 1252 | |
9acc5911 | 1253 | current_parsing_scope = CONFIG_SCOPE_REPO; |
c72ee44b | 1254 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) |
aa387407 | 1255 | ret += git_config_from_file(fn, repo_config, data); |
8b1fa778 | 1256 | |
9acc5911 | 1257 | current_parsing_scope = CONFIG_SCOPE_CMDLINE; |
c72ee44b | 1258 | if (git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 1259 | die(_("unable to parse command-line config")); |
8b1fa778 | 1260 | |
9acc5911 | 1261 | current_parsing_scope = CONFIG_SCOPE_UNKNOWN; |
21cf3227 HKNN |
1262 | free(xdg_config); |
1263 | free(user_config); | |
80181868 | 1264 | free(repo_config); |
c72ee44b | 1265 | return ret; |
4f629539 JH |
1266 | } |
1267 | ||
c9b5e2a5 | 1268 | int git_config_with_options(config_fn_t fn, void *data, |
c8985ce0 | 1269 | struct git_config_source *config_source, |
1bc88819 | 1270 | int respect_includes) |
dbdf5854 | 1271 | { |
9b25a0b5 JK |
1272 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1273 | ||
1274 | if (respect_includes) { | |
1275 | inc.fn = fn; | |
1276 | inc.data = data; | |
1277 | fn = git_config_include; | |
1278 | data = &inc; | |
1279 | } | |
dbdf5854 | 1280 | |
c9b5e2a5 JK |
1281 | /* |
1282 | * If we have a specific filename, use it. Otherwise, follow the | |
1283 | * regular lookup sequence. | |
1284 | */ | |
3caec73b KS |
1285 | if (config_source && config_source->use_stdin) |
1286 | return git_config_from_stdin(fn, data); | |
1287 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1288 | return git_config_from_file(fn, config_source->file, data); |
1289 | else if (config_source && config_source->blob) | |
1290 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1291 | |
80181868 | 1292 | return do_git_config_sequence(fn, data); |
dbdf5854 NTND |
1293 | } |
1294 | ||
155ef25f | 1295 | static void git_config_raw(config_fn_t fn, void *data) |
c9b5e2a5 | 1296 | { |
aace4385 TA |
1297 | if (git_config_with_options(fn, data, NULL, 1) < 0) |
1298 | /* | |
1299 | * git_config_with_options() normally returns only | |
c72ee44b | 1300 | * zero, as most errors are fatal, and |
aace4385 TA |
1301 | * non-fatal potential errors are guarded by "if" |
1302 | * statements that are entered only when no error is | |
1303 | * possible. | |
1304 | * | |
1305 | * If we ever encounter a non-fatal error, it means | |
1306 | * something went really wrong and we should stop | |
1307 | * immediately. | |
1308 | */ | |
3a39f61e | 1309 | die(_("unknown error occurred while reading the configuration files")); |
c9b5e2a5 JK |
1310 | } |
1311 | ||
155ef25f | 1312 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1313 | { |
155ef25f TA |
1314 | int i, value_index; |
1315 | struct string_list *values; | |
1316 | struct config_set_element *entry; | |
1317 | struct configset_list *list = &cs->list; | |
155ef25f TA |
1318 | |
1319 | for (i = 0; i < list->nr; i++) { | |
1320 | entry = list->items[i].e; | |
1321 | value_index = list->items[i].value_index; | |
1322 | values = &entry->value_list; | |
0d44a2da JK |
1323 | |
1324 | current_config_kvi = values->items[value_index].util; | |
1325 | ||
1326 | if (fn(entry->key, values->items[value_index].string, data) < 0) | |
1327 | git_die_config_linenr(entry->key, | |
1328 | current_config_kvi->filename, | |
1329 | current_config_kvi->linenr); | |
1330 | ||
1331 | current_config_kvi = NULL; | |
155ef25f TA |
1332 | } |
1333 | } | |
1334 | ||
1335 | static void git_config_check_init(void); | |
1336 | ||
1337 | void git_config(config_fn_t fn, void *data) | |
1338 | { | |
1339 | git_config_check_init(); | |
1340 | configset_iter(&the_config_set, fn, data); | |
c9b5e2a5 JK |
1341 | } |
1342 | ||
3c8687a7 TA |
1343 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
1344 | { | |
1345 | struct config_set_element k; | |
1346 | struct config_set_element *found_entry; | |
1347 | char *normalized_key; | |
3c8687a7 TA |
1348 | /* |
1349 | * `key` may come from the user, so normalize it before using it | |
1350 | * for querying entries from the hashmap. | |
1351 | */ | |
270cd9ea | 1352 | if (git_config_parse_key(key, &normalized_key, NULL)) |
3c8687a7 TA |
1353 | return NULL; |
1354 | ||
1355 | hashmap_entry_init(&k, strhash(normalized_key)); | |
1356 | k.key = normalized_key; | |
1357 | found_entry = hashmap_get(&cs->config_hash, &k, NULL); | |
1358 | free(normalized_key); | |
1359 | return found_entry; | |
1360 | } | |
1361 | ||
1362 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
1363 | { | |
1364 | struct config_set_element *e; | |
3df8fd62 | 1365 | struct string_list_item *si; |
155ef25f | 1366 | struct configset_list_item *l_item; |
3df8fd62 TA |
1367 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
1368 | ||
3c8687a7 TA |
1369 | e = configset_find_element(cs, key); |
1370 | /* | |
1371 | * Since the keys are being fed by git_config*() callback mechanism, they | |
1372 | * are already normalized. So simply add them without any further munging. | |
1373 | */ | |
1374 | if (!e) { | |
1375 | e = xmalloc(sizeof(*e)); | |
1376 | hashmap_entry_init(e, strhash(key)); | |
1377 | e->key = xstrdup(key); | |
1378 | string_list_init(&e->value_list, 1); | |
1379 | hashmap_add(&cs->config_hash, e); | |
1380 | } | |
8c53f071 | 1381 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
1382 | |
1383 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
1384 | l_item = &cs->list.items[cs->list.nr++]; | |
1385 | l_item->e = e; | |
1386 | l_item->value_index = e->value_list.nr - 1; | |
1387 | ||
3258258f JK |
1388 | if (!cf) |
1389 | die("BUG: configset_add_value has no source"); | |
1390 | if (cf->name) { | |
3df8fd62 TA |
1391 | kv_info->filename = strintern(cf->name); |
1392 | kv_info->linenr = cf->linenr; | |
0d44a2da | 1393 | kv_info->origin_type = strintern(cf->origin_type); |
3df8fd62 TA |
1394 | } else { |
1395 | /* for values read from `git_config_from_parameters()` */ | |
1396 | kv_info->filename = NULL; | |
1397 | kv_info->linenr = -1; | |
0d44a2da | 1398 | kv_info->origin_type = NULL; |
3df8fd62 | 1399 | } |
9acc5911 | 1400 | kv_info->scope = current_parsing_scope; |
3df8fd62 | 1401 | si->util = kv_info; |
3c8687a7 TA |
1402 | |
1403 | return 0; | |
1404 | } | |
1405 | ||
1406 | static int config_set_element_cmp(const struct config_set_element *e1, | |
1407 | const struct config_set_element *e2, const void *unused) | |
1408 | { | |
1409 | return strcmp(e1->key, e2->key); | |
1410 | } | |
1411 | ||
1412 | void git_configset_init(struct config_set *cs) | |
1413 | { | |
1414 | hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 0); | |
1415 | cs->hash_initialized = 1; | |
155ef25f TA |
1416 | cs->list.nr = 0; |
1417 | cs->list.alloc = 0; | |
1418 | cs->list.items = NULL; | |
3c8687a7 TA |
1419 | } |
1420 | ||
1421 | void git_configset_clear(struct config_set *cs) | |
1422 | { | |
1423 | struct config_set_element *entry; | |
1424 | struct hashmap_iter iter; | |
1425 | if (!cs->hash_initialized) | |
1426 | return; | |
1427 | ||
1428 | hashmap_iter_init(&cs->config_hash, &iter); | |
1429 | while ((entry = hashmap_iter_next(&iter))) { | |
1430 | free(entry->key); | |
3df8fd62 | 1431 | string_list_clear(&entry->value_list, 1); |
3c8687a7 TA |
1432 | } |
1433 | hashmap_free(&cs->config_hash, 1); | |
1434 | cs->hash_initialized = 0; | |
155ef25f TA |
1435 | free(cs->list.items); |
1436 | cs->list.nr = 0; | |
1437 | cs->list.alloc = 0; | |
1438 | cs->list.items = NULL; | |
3c8687a7 TA |
1439 | } |
1440 | ||
1441 | static int config_set_callback(const char *key, const char *value, void *cb) | |
1442 | { | |
1443 | struct config_set *cs = cb; | |
1444 | configset_add_value(cs, key, value); | |
1445 | return 0; | |
1446 | } | |
1447 | ||
1448 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
1449 | { | |
1450 | return git_config_from_file(config_set_callback, filename, cs); | |
1451 | } | |
1452 | ||
1453 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
1454 | { | |
1455 | const struct string_list *values = NULL; | |
1456 | /* | |
1457 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
1458 | * queried key in the files of the configset, the value returned will be the last | |
1459 | * value in the value list for that key. | |
1460 | */ | |
1461 | values = git_configset_get_value_multi(cs, key); | |
1462 | ||
1463 | if (!values) | |
1464 | return 1; | |
1465 | assert(values->nr > 0); | |
1466 | *value = values->items[values->nr - 1].string; | |
1467 | return 0; | |
1468 | } | |
1469 | ||
1470 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
1471 | { | |
1472 | struct config_set_element *e = configset_find_element(cs, key); | |
1473 | return e ? &e->value_list : NULL; | |
1474 | } | |
1475 | ||
1476 | int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest) | |
1477 | { | |
1478 | const char *value; | |
1479 | if (!git_configset_get_value(cs, key, &value)) | |
1480 | return git_config_string(dest, key, value); | |
1481 | else | |
1482 | return 1; | |
1483 | } | |
1484 | ||
1485 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) | |
1486 | { | |
1487 | return git_configset_get_string_const(cs, key, (const char **)dest); | |
1488 | } | |
1489 | ||
1490 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
1491 | { | |
1492 | const char *value; | |
1493 | if (!git_configset_get_value(cs, key, &value)) { | |
1494 | *dest = git_config_int(key, value); | |
1495 | return 0; | |
1496 | } else | |
1497 | return 1; | |
1498 | } | |
1499 | ||
1500 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
1501 | { | |
1502 | const char *value; | |
1503 | if (!git_configset_get_value(cs, key, &value)) { | |
1504 | *dest = git_config_ulong(key, value); | |
1505 | return 0; | |
1506 | } else | |
1507 | return 1; | |
1508 | } | |
1509 | ||
1510 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
1511 | { | |
1512 | const char *value; | |
1513 | if (!git_configset_get_value(cs, key, &value)) { | |
1514 | *dest = git_config_bool(key, value); | |
1515 | return 0; | |
1516 | } else | |
1517 | return 1; | |
1518 | } | |
1519 | ||
1520 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
1521 | int *is_bool, int *dest) | |
1522 | { | |
1523 | const char *value; | |
1524 | if (!git_configset_get_value(cs, key, &value)) { | |
1525 | *dest = git_config_bool_or_int(key, value, is_bool); | |
1526 | return 0; | |
1527 | } else | |
1528 | return 1; | |
1529 | } | |
1530 | ||
1531 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
1532 | { | |
1533 | const char *value; | |
1534 | if (!git_configset_get_value(cs, key, &value)) { | |
1535 | *dest = git_config_maybe_bool(key, value); | |
1536 | if (*dest == -1) | |
1537 | return -1; | |
1538 | return 0; | |
1539 | } else | |
1540 | return 1; | |
1541 | } | |
1542 | ||
1543 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
1544 | { | |
1545 | const char *value; | |
1546 | if (!git_configset_get_value(cs, key, &value)) | |
1547 | return git_config_pathname(dest, key, value); | |
1548 | else | |
1549 | return 1; | |
1550 | } | |
1551 | ||
1552 | static void git_config_check_init(void) | |
1553 | { | |
1554 | if (the_config_set.hash_initialized) | |
1555 | return; | |
1556 | git_configset_init(&the_config_set); | |
155ef25f | 1557 | git_config_raw(config_set_callback, &the_config_set); |
3c8687a7 TA |
1558 | } |
1559 | ||
1560 | void git_config_clear(void) | |
1561 | { | |
1562 | if (!the_config_set.hash_initialized) | |
1563 | return; | |
1564 | git_configset_clear(&the_config_set); | |
1565 | } | |
1566 | ||
1567 | int git_config_get_value(const char *key, const char **value) | |
1568 | { | |
1569 | git_config_check_init(); | |
1570 | return git_configset_get_value(&the_config_set, key, value); | |
1571 | } | |
1572 | ||
1573 | const struct string_list *git_config_get_value_multi(const char *key) | |
1574 | { | |
1575 | git_config_check_init(); | |
1576 | return git_configset_get_value_multi(&the_config_set, key); | |
1577 | } | |
1578 | ||
1579 | int git_config_get_string_const(const char *key, const char **dest) | |
1580 | { | |
5a80e97c | 1581 | int ret; |
3c8687a7 | 1582 | git_config_check_init(); |
5a80e97c TA |
1583 | ret = git_configset_get_string_const(&the_config_set, key, dest); |
1584 | if (ret < 0) | |
1585 | git_die_config(key, NULL); | |
1586 | return ret; | |
3c8687a7 TA |
1587 | } |
1588 | ||
1589 | int git_config_get_string(const char *key, char **dest) | |
1590 | { | |
1591 | git_config_check_init(); | |
1592 | return git_config_get_string_const(key, (const char **)dest); | |
1593 | } | |
1594 | ||
1595 | int git_config_get_int(const char *key, int *dest) | |
1596 | { | |
1597 | git_config_check_init(); | |
1598 | return git_configset_get_int(&the_config_set, key, dest); | |
1599 | } | |
1600 | ||
1601 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
1602 | { | |
1603 | git_config_check_init(); | |
1604 | return git_configset_get_ulong(&the_config_set, key, dest); | |
1605 | } | |
1606 | ||
1607 | int git_config_get_bool(const char *key, int *dest) | |
1608 | { | |
1609 | git_config_check_init(); | |
1610 | return git_configset_get_bool(&the_config_set, key, dest); | |
1611 | } | |
1612 | ||
1613 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
1614 | { | |
1615 | git_config_check_init(); | |
1616 | return git_configset_get_bool_or_int(&the_config_set, key, is_bool, dest); | |
1617 | } | |
1618 | ||
1619 | int git_config_get_maybe_bool(const char *key, int *dest) | |
1620 | { | |
1621 | git_config_check_init(); | |
1622 | return git_configset_get_maybe_bool(&the_config_set, key, dest); | |
1623 | } | |
1624 | ||
1625 | int git_config_get_pathname(const char *key, const char **dest) | |
1626 | { | |
5a80e97c | 1627 | int ret; |
3c8687a7 | 1628 | git_config_check_init(); |
5a80e97c TA |
1629 | ret = git_configset_get_pathname(&the_config_set, key, dest); |
1630 | if (ret < 0) | |
1631 | git_die_config(key, NULL); | |
1632 | return ret; | |
1633 | } | |
1634 | ||
435ec090 CC |
1635 | int git_config_get_untracked_cache(void) |
1636 | { | |
1637 | int val = -1; | |
1638 | const char *v; | |
1639 | ||
dae6c322 CC |
1640 | /* Hack for test programs like test-dump-untracked-cache */ |
1641 | if (ignore_untracked_cache_config) | |
1642 | return -1; | |
1643 | ||
435ec090 CC |
1644 | if (!git_config_get_maybe_bool("core.untrackedcache", &val)) |
1645 | return val; | |
1646 | ||
1647 | if (!git_config_get_value("core.untrackedcache", &v)) { | |
1648 | if (!strcasecmp(v, "keep")) | |
1649 | return -1; | |
1650 | ||
1651 | error("unknown core.untrackedCache value '%s'; " | |
1652 | "using 'keep' default value", v); | |
1653 | return -1; | |
1654 | } | |
1655 | ||
1656 | return -1; /* default value */ | |
1657 | } | |
1658 | ||
5a80e97c TA |
1659 | NORETURN |
1660 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
1661 | { | |
1662 | if (!filename) | |
1663 | die(_("unable to parse '%s' from command-line config"), key); | |
1664 | else | |
1665 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
1666 | key, filename, linenr); | |
1667 | } | |
1668 | ||
1669 | NORETURN __attribute__((format(printf, 2, 3))) | |
1670 | void git_die_config(const char *key, const char *err, ...) | |
1671 | { | |
1672 | const struct string_list *values; | |
1673 | struct key_value_info *kv_info; | |
1674 | ||
1675 | if (err) { | |
1676 | va_list params; | |
1677 | va_start(params, err); | |
1678 | vreportf("error: ", err, params); | |
1679 | va_end(params); | |
1680 | } | |
1681 | values = git_config_get_value_multi(key); | |
1682 | kv_info = values->items[values->nr - 1].util; | |
1683 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
1684 | } |
1685 | ||
10bea152 JS |
1686 | /* |
1687 | * Find all the stuff for git_config_set() below. | |
1688 | */ | |
4ddba79d | 1689 | |
10bea152 JS |
1690 | static struct { |
1691 | int baselen; | |
4b25d091 | 1692 | char *key; |
f98d863d | 1693 | int do_not_match; |
4b25d091 | 1694 | regex_t *value_regex; |
4ddba79d | 1695 | int multi_replace; |
83786fa4 TR |
1696 | size_t *offset; |
1697 | unsigned int offset_alloc; | |
10bea152 JS |
1698 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
1699 | int seen; | |
1700 | } store; | |
1701 | ||
4b25d091 | 1702 | static int matches(const char *key, const char *value) |
f98d863d | 1703 | { |
c1063be2 JK |
1704 | if (strcmp(key, store.key)) |
1705 | return 0; /* not ours */ | |
1706 | if (!store.value_regex) | |
1707 | return 1; /* always matches */ | |
1708 | if (store.value_regex == CONFIG_REGEX_NONE) | |
1709 | return 0; /* never matches */ | |
1710 | ||
1711 | return store.do_not_match ^ | |
1712 | (value && !regexec(store.value_regex, value, 0, NULL, 0)); | |
f98d863d JS |
1713 | } |
1714 | ||
4b25d091 | 1715 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 1716 | { |
ae9ee41d JH |
1717 | const char *ep; |
1718 | size_t section_len; | |
1719 | ||
10bea152 JS |
1720 | switch (store.state) { |
1721 | case KEY_SEEN: | |
f98d863d | 1722 | if (matches(key, value)) { |
4ddba79d | 1723 | if (store.seen == 1 && store.multi_replace == 0) { |
8262aaa2 | 1724 | warning(_("%s has multiple values"), key); |
10bea152 | 1725 | } |
4ddba79d | 1726 | |
83786fa4 TR |
1727 | ALLOC_GROW(store.offset, store.seen + 1, |
1728 | store.offset_alloc); | |
1729 | ||
49d6cfa5 | 1730 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1731 | store.seen++; |
1732 | } | |
1733 | break; | |
1734 | case SECTION_SEEN: | |
ae9ee41d JH |
1735 | /* |
1736 | * What we are looking for is in store.key (both | |
1737 | * section and var), and its section part is baselen | |
1738 | * long. We found key (again, both section and var). | |
1739 | * We would want to know if this key is in the same | |
1740 | * section as what we are looking for. We already | |
1741 | * know we are in the same section as what should | |
1742 | * hold store.key. | |
1743 | */ | |
1744 | ep = strrchr(key, '.'); | |
1745 | section_len = ep - key; | |
1746 | ||
1747 | if ((section_len != store.baselen) || | |
1748 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
1749 | store.state = SECTION_END_SEEN; |
1750 | break; | |
ae9ee41d JH |
1751 | } |
1752 | ||
1753 | /* | |
1754 | * Do not increment matches: this is no match, but we | |
1755 | * just made sure we are in the desired section. | |
1756 | */ | |
83786fa4 TR |
1757 | ALLOC_GROW(store.offset, store.seen + 1, |
1758 | store.offset_alloc); | |
49d6cfa5 | 1759 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1760 | /* fallthru */ |
1761 | case SECTION_END_SEEN: | |
1762 | case START: | |
f98d863d | 1763 | if (matches(key, value)) { |
83786fa4 TR |
1764 | ALLOC_GROW(store.offset, store.seen + 1, |
1765 | store.offset_alloc); | |
49d6cfa5 | 1766 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1767 | store.state = KEY_SEEN; |
1768 | store.seen++; | |
d14f7764 LT |
1769 | } else { |
1770 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 1771 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 1772 | store.state = SECTION_SEEN; |
83786fa4 TR |
1773 | ALLOC_GROW(store.offset, |
1774 | store.seen + 1, | |
1775 | store.offset_alloc); | |
49d6cfa5 | 1776 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 1777 | } |
bdf0ef08 | 1778 | } |
10bea152 JS |
1779 | } |
1780 | return 0; | |
1781 | } | |
1782 | ||
64c0d71c | 1783 | static int write_error(const char *filename) |
480c9e52 | 1784 | { |
64c0d71c | 1785 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
1786 | |
1787 | /* Same error code as "failed to rename". */ | |
1788 | return 4; | |
1789 | } | |
1790 | ||
4b25d091 | 1791 | static int store_write_section(int fd, const char *key) |
10bea152 | 1792 | { |
cb891a59 KH |
1793 | const char *dot; |
1794 | int i, success; | |
f285a2d7 | 1795 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 1796 | |
cb891a59 | 1797 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 1798 | if (dot) { |
cb891a59 KH |
1799 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
1800 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 1801 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
1802 | strbuf_addch(&sb, '\\'); |
1803 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 1804 | } |
cb891a59 KH |
1805 | strbuf_addstr(&sb, "\"]\n"); |
1806 | } else { | |
1807 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
1808 | } |
1809 | ||
cb891a59 KH |
1810 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
1811 | strbuf_release(&sb); | |
480c9e52 | 1812 | |
cb891a59 | 1813 | return success; |
10bea152 JS |
1814 | } |
1815 | ||
4b25d091 | 1816 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 1817 | { |
cb891a59 KH |
1818 | int i, success; |
1819 | int length = strlen(key + store.baselen + 1); | |
1820 | const char *quote = ""; | |
f285a2d7 | 1821 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 1822 | |
6281f394 JM |
1823 | /* |
1824 | * Check to see if the value needs to be surrounded with a dq pair. | |
1825 | * Note that problematic characters are always backslash-quoted; this | |
1826 | * check is about not losing leading or trailing SP and strings that | |
1827 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
1828 | * configuration parser. | |
1829 | */ | |
cdd4fb15 | 1830 | if (value[0] == ' ') |
cb891a59 | 1831 | quote = "\""; |
cdd4fb15 BG |
1832 | for (i = 0; value[i]; i++) |
1833 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
1834 | quote = "\""; |
1835 | if (i && value[i - 1] == ' ') | |
1836 | quote = "\""; | |
1837 | ||
cb891a59 KH |
1838 | strbuf_addf(&sb, "\t%.*s = %s", |
1839 | length, key + store.baselen + 1, quote); | |
10bea152 | 1840 | |
10bea152 JS |
1841 | for (i = 0; value[i]; i++) |
1842 | switch (value[i]) { | |
480c9e52 | 1843 | case '\n': |
cb891a59 | 1844 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
1845 | break; |
1846 | case '\t': | |
cb891a59 | 1847 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
1848 | break; |
1849 | case '"': | |
1850 | case '\\': | |
cb891a59 | 1851 | strbuf_addch(&sb, '\\'); |
480c9e52 | 1852 | default: |
cb891a59 | 1853 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
1854 | break; |
1855 | } | |
cb891a59 KH |
1856 | strbuf_addf(&sb, "%s\n", quote); |
1857 | ||
1858 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
1859 | strbuf_release(&sb); | |
1860 | ||
1861 | return success; | |
10bea152 JS |
1862 | } |
1863 | ||
4b25d091 FC |
1864 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
1865 | size_t offset_, int *found_bracket) | |
4ddba79d | 1866 | { |
dc49cd76 SP |
1867 | size_t equal_offset = size, bracket_offset = size; |
1868 | ssize_t offset; | |
4ddba79d | 1869 | |
7a31cc0f | 1870 | contline: |
a6080a0a | 1871 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
1872 | && contents[offset] != '\n'; offset--) |
1873 | switch (contents[offset]) { | |
1874 | case '=': equal_offset = offset; break; | |
1875 | case ']': bracket_offset = offset; break; | |
1876 | } | |
7a31cc0f FL |
1877 | if (offset > 0 && contents[offset-1] == '\\') { |
1878 | offset_ = offset; | |
1879 | goto contline; | |
1880 | } | |
4ddba79d JS |
1881 | if (bracket_offset < equal_offset) { |
1882 | *found_bracket = 1; | |
1883 | offset = bracket_offset+1; | |
1884 | } else | |
1885 | offset++; | |
1886 | ||
1887 | return offset; | |
1888 | } | |
1889 | ||
30598ad0 PS |
1890 | int git_config_set_in_file_gently(const char *config_filename, |
1891 | const char *key, const char *value) | |
5ec31182 | 1892 | { |
30598ad0 | 1893 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
1894 | } |
1895 | ||
3d180648 PS |
1896 | void git_config_set_in_file(const char *config_filename, |
1897 | const char *key, const char *value) | |
10bea152 | 1898 | { |
3d180648 | 1899 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
1900 | } |
1901 | ||
30598ad0 | 1902 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 1903 | { |
30598ad0 | 1904 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
1905 | } |
1906 | ||
3d180648 | 1907 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 1908 | { |
3d180648 | 1909 | git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
1910 | } |
1911 | ||
b09c53a3 LP |
1912 | /* |
1913 | * Auxiliary function to sanity-check and split the key into the section | |
1914 | * identifier and variable name. | |
1915 | * | |
1916 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
1917 | * -2 if there is no section name in the key. | |
1918 | * | |
1919 | * store_key - pointer to char* which will hold a copy of the key with | |
1920 | * lowercase section and variable name | |
1921 | * baselen - pointer to int which will hold the length of the | |
1922 | * section + subsection part, can be NULL | |
1923 | */ | |
9e9de18f | 1924 | static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet) |
b09c53a3 LP |
1925 | { |
1926 | int i, dot, baselen; | |
1927 | const char *last_dot = strrchr(key, '.'); | |
1928 | ||
1929 | /* | |
1930 | * Since "key" actually contains the section name and the real | |
1931 | * key name separated by a dot, we have to know where the dot is. | |
1932 | */ | |
1933 | ||
2169ddc0 | 1934 | if (last_dot == NULL || last_dot == key) { |
9e9de18f JK |
1935 | if (!quiet) |
1936 | error("key does not contain a section: %s", key); | |
7a397419 | 1937 | return -CONFIG_NO_SECTION_OR_NAME; |
b09c53a3 LP |
1938 | } |
1939 | ||
2169ddc0 | 1940 | if (!last_dot[1]) { |
9e9de18f JK |
1941 | if (!quiet) |
1942 | error("key does not contain variable name: %s", key); | |
7a397419 | 1943 | return -CONFIG_NO_SECTION_OR_NAME; |
2169ddc0 LP |
1944 | } |
1945 | ||
b09c53a3 LP |
1946 | baselen = last_dot - key; |
1947 | if (baselen_) | |
1948 | *baselen_ = baselen; | |
1949 | ||
1950 | /* | |
1951 | * Validate the key and while at it, lower case it for matching. | |
1952 | */ | |
9e9de18f | 1953 | if (store_key) |
3733e694 | 1954 | *store_key = xmallocz(strlen(key)); |
b09c53a3 LP |
1955 | |
1956 | dot = 0; | |
1957 | for (i = 0; key[i]; i++) { | |
1958 | unsigned char c = key[i]; | |
1959 | if (c == '.') | |
1960 | dot = 1; | |
1961 | /* Leave the extended basename untouched.. */ | |
1962 | if (!dot || i > baselen) { | |
1963 | if (!iskeychar(c) || | |
1964 | (i == baselen + 1 && !isalpha(c))) { | |
9e9de18f JK |
1965 | if (!quiet) |
1966 | error("invalid key: %s", key); | |
b09c53a3 LP |
1967 | goto out_free_ret_1; |
1968 | } | |
1969 | c = tolower(c); | |
1970 | } else if (c == '\n') { | |
9e9de18f JK |
1971 | if (!quiet) |
1972 | error("invalid key (newline): %s", key); | |
b09c53a3 LP |
1973 | goto out_free_ret_1; |
1974 | } | |
9e9de18f JK |
1975 | if (store_key) |
1976 | (*store_key)[i] = c; | |
b09c53a3 | 1977 | } |
b09c53a3 LP |
1978 | |
1979 | return 0; | |
1980 | ||
1981 | out_free_ret_1: | |
9e9de18f JK |
1982 | if (store_key) { |
1983 | free(*store_key); | |
1984 | *store_key = NULL; | |
1985 | } | |
7a397419 | 1986 | return -CONFIG_INVALID_KEY; |
b09c53a3 LP |
1987 | } |
1988 | ||
9e9de18f JK |
1989 | int git_config_parse_key(const char *key, char **store_key, int *baselen) |
1990 | { | |
1991 | return git_config_parse_key_1(key, store_key, baselen, 0); | |
1992 | } | |
1993 | ||
1994 | int git_config_key_is_valid(const char *key) | |
1995 | { | |
1996 | return !git_config_parse_key_1(key, NULL, NULL, 1); | |
1997 | } | |
1998 | ||
10bea152 JS |
1999 | /* |
2000 | * If value==NULL, unset in (remove from) config, | |
2001 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
c1063be2 JK |
2002 | * if value_regex==CONFIG_REGEX_NONE, do not match any existing values |
2003 | * (only add a new one) | |
4ddba79d JS |
2004 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
2005 | * else all matching key/values (regardless how many) are removed, | |
2006 | * before the new pair is written. | |
10bea152 JS |
2007 | * |
2008 | * Returns 0 on success. | |
2009 | * | |
2010 | * This function does this: | |
2011 | * | |
2012 | * - it locks the config file by creating ".git/config.lock" | |
2013 | * | |
2014 | * - it then parses the config using store_aux() as validator to find | |
2015 | * the position on the key/value pair to replace. If it is to be unset, | |
2016 | * it must be found exactly once. | |
2017 | * | |
2018 | * - the config file is mmap()ed and the part before the match (if any) is | |
2019 | * written to the lock file, then the changed part and the rest. | |
2020 | * | |
2021 | * - the config file is removed and the lock file rename()d to it. | |
2022 | * | |
2023 | */ | |
30598ad0 PS |
2024 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
2025 | const char *key, const char *value, | |
2026 | const char *value_regex, | |
2027 | int multi_replace) | |
10bea152 | 2028 | { |
54d160ec | 2029 | int fd = -1, in_fd = -1; |
dafc88b1 | 2030 | int ret; |
6cbf973c | 2031 | struct lock_file *lock = NULL; |
0a5f5759 | 2032 | char *filename_buf = NULL; |
3a1b3126 JK |
2033 | char *contents = NULL; |
2034 | size_t contents_sz; | |
4ddba79d | 2035 | |
b09c53a3 LP |
2036 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
2037 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
2038 | if (ret) | |
dafc88b1 | 2039 | goto out_free; |
b17e659d JS |
2040 | |
2041 | store.multi_replace = multi_replace; | |
10bea152 | 2042 | |
0a5f5759 JK |
2043 | if (!config_filename) |
2044 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
2045 | |
2046 | /* | |
6cbf973c | 2047 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
2048 | * contents of .git/config will be written into it. |
2049 | */ | |
f1064f6b | 2050 | lock = xcalloc(1, sizeof(struct lock_file)); |
6cbf973c BS |
2051 | fd = hold_lock_file_for_update(lock, config_filename, 0); |
2052 | if (fd < 0) { | |
f0658ec9 | 2053 | error_errno("could not lock config file %s", config_filename); |
10bea152 | 2054 | free(store.key); |
7a397419 | 2055 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 2056 | goto out_free; |
10bea152 JS |
2057 | } |
2058 | ||
2059 | /* | |
2060 | * If .git/config does not exist yet, write a minimal version. | |
2061 | */ | |
88fb958b AR |
2062 | in_fd = open(config_filename, O_RDONLY); |
2063 | if ( in_fd < 0 ) { | |
10bea152 JS |
2064 | free(store.key); |
2065 | ||
88fb958b | 2066 | if ( ENOENT != errno ) { |
f0658ec9 | 2067 | error_errno("opening %s", config_filename); |
7a397419 | 2068 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 2069 | goto out_free; |
88fb958b | 2070 | } |
10bea152 JS |
2071 | /* if nothing to unset, error out */ |
2072 | if (value == NULL) { | |
7a397419 | 2073 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2074 | goto out_free; |
10bea152 JS |
2075 | } |
2076 | ||
4b25d091 | 2077 | store.key = (char *)key; |
480c9e52 | 2078 | if (!store_write_section(fd, key) || |
93c1e079 JH |
2079 | !store_write_pair(fd, key, value)) |
2080 | goto write_err_out; | |
2081 | } else { | |
88fb958b | 2082 | struct stat st; |
3a1b3126 | 2083 | size_t copy_begin, copy_end; |
dc49cd76 | 2084 | int i, new_line = 0; |
10bea152 JS |
2085 | |
2086 | if (value_regex == NULL) | |
2087 | store.value_regex = NULL; | |
c1063be2 JK |
2088 | else if (value_regex == CONFIG_REGEX_NONE) |
2089 | store.value_regex = CONFIG_REGEX_NONE; | |
10bea152 | 2090 | else { |
f98d863d JS |
2091 | if (value_regex[0] == '!') { |
2092 | store.do_not_match = 1; | |
2093 | value_regex++; | |
2094 | } else | |
2095 | store.do_not_match = 0; | |
2096 | ||
2d7320d0 | 2097 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
2098 | if (regcomp(store.value_regex, value_regex, |
2099 | REG_EXTENDED)) { | |
64c0d71c | 2100 | error("invalid pattern: %s", value_regex); |
10bea152 | 2101 | free(store.value_regex); |
7a397419 | 2102 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2103 | goto out_free; |
10bea152 JS |
2104 | } |
2105 | } | |
2106 | ||
83786fa4 | 2107 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 2108 | store.offset[0] = 0; |
10bea152 JS |
2109 | store.state = START; |
2110 | store.seen = 0; | |
2111 | ||
2112 | /* | |
2113 | * After this, store.offset will contain the *end* offset | |
2114 | * of the last match, or remain at 0 if no match was found. | |
2115 | * As a side effect, we make sure to transform only a valid | |
2116 | * existing config file. | |
2117 | */ | |
ef90d6d4 | 2118 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 2119 | error("invalid config file %s", config_filename); |
10bea152 | 2120 | free(store.key); |
c1063be2 JK |
2121 | if (store.value_regex != NULL && |
2122 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2123 | regfree(store.value_regex); |
2124 | free(store.value_regex); | |
2125 | } | |
7a397419 | 2126 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 2127 | goto out_free; |
10bea152 JS |
2128 | } |
2129 | ||
2130 | free(store.key); | |
c1063be2 JK |
2131 | if (store.value_regex != NULL && |
2132 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2133 | regfree(store.value_regex); |
2134 | free(store.value_regex); | |
2135 | } | |
2136 | ||
4ddba79d JS |
2137 | /* if nothing to unset, or too many matches, error out */ |
2138 | if ((store.seen == 0 && value == NULL) || | |
2139 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 2140 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2141 | goto out_free; |
10bea152 JS |
2142 | } |
2143 | ||
88fb958b | 2144 | fstat(in_fd, &st); |
dc49cd76 | 2145 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
2146 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
2147 | MAP_PRIVATE, in_fd, 0); | |
2148 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
2149 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
2150 | errno = EISDIR; | |
f0658ec9 | 2151 | error_errno("unable to mmap '%s'", config_filename); |
1570856b JK |
2152 | ret = CONFIG_INVALID_FILE; |
2153 | contents = NULL; | |
2154 | goto out_free; | |
2155 | } | |
10bea152 | 2156 | close(in_fd); |
54d160ec | 2157 | in_fd = -1; |
10bea152 | 2158 | |
b4fb09e4 | 2159 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 | 2160 | error_errno("chmod on %s failed", get_lock_file_path(lock)); |
daa22c6f EW |
2161 | ret = CONFIG_NO_WRITE; |
2162 | goto out_free; | |
2163 | } | |
2164 | ||
4ddba79d JS |
2165 | if (store.seen == 0) |
2166 | store.seen = 1; | |
2167 | ||
2168 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
2169 | if (store.offset[i] == 0) { | |
dc49cd76 | 2170 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
2171 | } else if (store.state != KEY_SEEN) { |
2172 | copy_end = store.offset[i]; | |
10bea152 | 2173 | } else |
4ddba79d | 2174 | copy_end = find_beginning_of_line( |
dc49cd76 | 2175 | contents, contents_sz, |
4ddba79d JS |
2176 | store.offset[i]-2, &new_line); |
2177 | ||
02e5ba4a JK |
2178 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
2179 | new_line = 1; | |
2180 | ||
4ddba79d JS |
2181 | /* write the first part of the config */ |
2182 | if (copy_end > copy_begin) { | |
93c1e079 JH |
2183 | if (write_in_full(fd, contents + copy_begin, |
2184 | copy_end - copy_begin) < | |
2185 | copy_end - copy_begin) | |
2186 | goto write_err_out; | |
2187 | if (new_line && | |
2b7ca830 | 2188 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 2189 | goto write_err_out; |
4ddba79d JS |
2190 | } |
2191 | copy_begin = store.offset[i]; | |
10bea152 JS |
2192 | } |
2193 | ||
10bea152 JS |
2194 | /* write the pair (value == NULL means unset) */ |
2195 | if (value != NULL) { | |
93c1e079 JH |
2196 | if (store.state == START) { |
2197 | if (!store_write_section(fd, key)) | |
2198 | goto write_err_out; | |
480c9e52 | 2199 | } |
93c1e079 JH |
2200 | if (!store_write_pair(fd, key, value)) |
2201 | goto write_err_out; | |
10bea152 JS |
2202 | } |
2203 | ||
2204 | /* write the rest of the config */ | |
dc49cd76 | 2205 | if (copy_begin < contents_sz) |
93c1e079 | 2206 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
2207 | contents_sz - copy_begin) < |
2208 | contents_sz - copy_begin) | |
93c1e079 | 2209 | goto write_err_out; |
7a64592c KB |
2210 | |
2211 | munmap(contents, contents_sz); | |
2212 | contents = NULL; | |
10bea152 JS |
2213 | } |
2214 | ||
4ed7cd3a | 2215 | if (commit_lock_file(lock) < 0) { |
f0658ec9 | 2216 | error_errno("could not write config file %s", config_filename); |
7a397419 | 2217 | ret = CONFIG_NO_WRITE; |
e831855e | 2218 | lock = NULL; |
dafc88b1 | 2219 | goto out_free; |
10bea152 JS |
2220 | } |
2221 | ||
6cbf973c BS |
2222 | /* |
2223 | * lock is committed, so don't try to roll it back below. | |
2224 | * NOTE: Since lockfile.c keeps a linked list of all created | |
2225 | * lock_file structures, it isn't safe to free(lock). It's | |
2226 | * better to just leave it hanging around. | |
2227 | */ | |
2228 | lock = NULL; | |
dafc88b1 SH |
2229 | ret = 0; |
2230 | ||
3c8687a7 TA |
2231 | /* Invalidate the config cache */ |
2232 | git_config_clear(); | |
2233 | ||
dafc88b1 | 2234 | out_free: |
6cbf973c BS |
2235 | if (lock) |
2236 | rollback_lock_file(lock); | |
0a5f5759 | 2237 | free(filename_buf); |
3a1b3126 JK |
2238 | if (contents) |
2239 | munmap(contents, contents_sz); | |
54d160ec SS |
2240 | if (in_fd >= 0) |
2241 | close(in_fd); | |
dafc88b1 | 2242 | return ret; |
93c1e079 JH |
2243 | |
2244 | write_err_out: | |
b4fb09e4 | 2245 | ret = write_error(get_lock_file_path(lock)); |
93c1e079 JH |
2246 | goto out_free; |
2247 | ||
10bea152 JS |
2248 | } |
2249 | ||
3d180648 PS |
2250 | void git_config_set_multivar_in_file(const char *config_filename, |
2251 | const char *key, const char *value, | |
2252 | const char *value_regex, int multi_replace) | |
b4c8aba6 | 2253 | { |
1cae428e JK |
2254 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
2255 | value_regex, multi_replace)) | |
2256 | return; | |
2257 | if (value) | |
8c3ca351 | 2258 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
2259 | else |
2260 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
2261 | } |
2262 | ||
30598ad0 PS |
2263 | int git_config_set_multivar_gently(const char *key, const char *value, |
2264 | const char *value_regex, int multi_replace) | |
5ec31182 | 2265 | { |
30598ad0 PS |
2266 | return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex, |
2267 | multi_replace); | |
5ec31182 RR |
2268 | } |
2269 | ||
3d180648 PS |
2270 | void git_config_set_multivar(const char *key, const char *value, |
2271 | const char *value_regex, int multi_replace) | |
5ec31182 | 2272 | { |
3d180648 PS |
2273 | git_config_set_multivar_in_file(NULL, key, value, value_regex, |
2274 | multi_replace); | |
5ec31182 RR |
2275 | } |
2276 | ||
118f8b24 PB |
2277 | static int section_name_match (const char *buf, const char *name) |
2278 | { | |
2279 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
2280 | if (buf[i] != '[') |
2281 | return 0; | |
2282 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
2283 | if (!dot && isspace(buf[i])) { |
2284 | dot = 1; | |
2285 | if (name[j++] != '.') | |
2286 | break; | |
2287 | for (i++; isspace(buf[i]); i++) | |
2288 | ; /* do nothing */ | |
2289 | if (buf[i] != '"') | |
2290 | break; | |
2291 | continue; | |
2292 | } | |
2293 | if (buf[i] == '\\' && dot) | |
2294 | i++; | |
2295 | else if (buf[i] == '"' && dot) { | |
2296 | for (i++; isspace(buf[i]); i++) | |
2297 | ; /* do_nothing */ | |
2298 | break; | |
2299 | } | |
2300 | if (buf[i] != name[j++]) | |
2301 | break; | |
2302 | } | |
a4c0d463 AV |
2303 | if (buf[i] == ']' && name[j] == 0) { |
2304 | /* | |
2305 | * We match, now just find the right length offset by | |
2306 | * gobbling up any whitespace after it, as well | |
2307 | */ | |
2308 | i++; | |
2309 | for (; buf[i] && isspace(buf[i]); i++) | |
2310 | ; /* do nothing */ | |
2311 | return i; | |
2312 | } | |
2313 | return 0; | |
118f8b24 PB |
2314 | } |
2315 | ||
94a35b1a JK |
2316 | static int section_name_is_ok(const char *name) |
2317 | { | |
2318 | /* Empty section names are bogus. */ | |
2319 | if (!*name) | |
2320 | return 0; | |
2321 | ||
2322 | /* | |
2323 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
2324 | * anything goes, so we can stop checking. | |
2325 | */ | |
2326 | for (; *name && *name != '.'; name++) | |
2327 | if (*name != '-' && !isalnum(*name)) | |
2328 | return 0; | |
2329 | return 1; | |
2330 | } | |
2331 | ||
118f8b24 | 2332 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
2333 | int git_config_rename_section_in_file(const char *config_filename, |
2334 | const char *old_name, const char *new_name) | |
0667fcfb | 2335 | { |
118f8b24 | 2336 | int ret = 0, remove = 0; |
42bd39b5 | 2337 | char *filename_buf = NULL; |
94a35b1a | 2338 | struct lock_file *lock; |
0667fcfb JS |
2339 | int out_fd; |
2340 | char buf[1024]; | |
924aaf3e | 2341 | FILE *config_file; |
daa22c6f | 2342 | struct stat st; |
0667fcfb | 2343 | |
94a35b1a JK |
2344 | if (new_name && !section_name_is_ok(new_name)) { |
2345 | ret = error("invalid section name: %s", new_name); | |
2346 | goto out; | |
2347 | } | |
2348 | ||
42bd39b5 JK |
2349 | if (!config_filename) |
2350 | config_filename = filename_buf = git_pathdup("config"); | |
2351 | ||
f1064f6b | 2352 | lock = xcalloc(1, sizeof(struct lock_file)); |
0667fcfb | 2353 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 2354 | if (out_fd < 0) { |
64c0d71c | 2355 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
2356 | goto out; |
2357 | } | |
0667fcfb | 2358 | |
fc1905bb | 2359 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc GB |
2360 | /* no config file means nothing to rename, no error */ |
2361 | goto unlock_and_out; | |
fc1905bb | 2362 | } |
0667fcfb | 2363 | |
daa22c6f EW |
2364 | fstat(fileno(config_file), &st); |
2365 | ||
b4fb09e4 | 2366 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 NTND |
2367 | ret = error_errno("chmod on %s failed", |
2368 | get_lock_file_path(lock)); | |
daa22c6f EW |
2369 | goto out; |
2370 | } | |
2371 | ||
0667fcfb JS |
2372 | while (fgets(buf, sizeof(buf), config_file)) { |
2373 | int i; | |
480c9e52 | 2374 | int length; |
9a5abfc7 | 2375 | char *output = buf; |
0667fcfb JS |
2376 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
2377 | ; /* do nothing */ | |
2378 | if (buf[i] == '[') { | |
2379 | /* it's a section */ | |
a4c0d463 AV |
2380 | int offset = section_name_match(&buf[i], old_name); |
2381 | if (offset > 0) { | |
118f8b24 PB |
2382 | ret++; |
2383 | if (new_name == NULL) { | |
2384 | remove = 1; | |
0667fcfb JS |
2385 | continue; |
2386 | } | |
0667fcfb | 2387 | store.baselen = strlen(new_name); |
480c9e52 | 2388 | if (!store_write_section(out_fd, new_name)) { |
b4fb09e4 | 2389 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2390 | goto out; |
2391 | } | |
9a5abfc7 AV |
2392 | /* |
2393 | * We wrote out the new section, with | |
2394 | * a newline, now skip the old | |
2395 | * section's length | |
2396 | */ | |
2397 | output += offset + i; | |
2398 | if (strlen(output) > 0) { | |
2399 | /* | |
2400 | * More content means there's | |
2401 | * a declaration to put on the | |
2402 | * next line; indent with a | |
2403 | * tab | |
2404 | */ | |
2405 | output -= 1; | |
2406 | output[0] = '\t'; | |
2407 | } | |
0667fcfb | 2408 | } |
118f8b24 | 2409 | remove = 0; |
0667fcfb | 2410 | } |
118f8b24 PB |
2411 | if (remove) |
2412 | continue; | |
9a5abfc7 AV |
2413 | length = strlen(output); |
2414 | if (write_in_full(out_fd, output, length) != length) { | |
b4fb09e4 | 2415 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2416 | goto out; |
2417 | } | |
0667fcfb | 2418 | } |
fc1905bb | 2419 | fclose(config_file); |
8b590075 | 2420 | unlock_and_out: |
4ed7cd3a | 2421 | if (commit_lock_file(lock) < 0) |
f0658ec9 NTND |
2422 | ret = error_errno("could not write config file %s", |
2423 | config_filename); | |
8b590075 | 2424 | out: |
42bd39b5 | 2425 | free(filename_buf); |
0667fcfb JS |
2426 | return ret; |
2427 | } | |
40ea4ed9 | 2428 | |
42bd39b5 JK |
2429 | int git_config_rename_section(const char *old_name, const char *new_name) |
2430 | { | |
4a7bb5ba | 2431 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
2432 | } |
2433 | ||
40ea4ed9 JH |
2434 | /* |
2435 | * Call this to report error for your variable that should not | |
2436 | * get a boolean value (i.e. "[my] var" means "true"). | |
2437 | */ | |
a469a101 | 2438 | #undef config_error_nonbool |
40ea4ed9 JH |
2439 | int config_error_nonbool(const char *var) |
2440 | { | |
8c3ca351 | 2441 | return error("missing value for '%s'", var); |
40ea4ed9 | 2442 | } |
1b86bbb0 JK |
2443 | |
2444 | int parse_config_key(const char *var, | |
2445 | const char *section, | |
2446 | const char **subsection, int *subsection_len, | |
2447 | const char **key) | |
2448 | { | |
2449 | int section_len = strlen(section); | |
2450 | const char *dot; | |
2451 | ||
2452 | /* Does it start with "section." ? */ | |
59556548 | 2453 | if (!starts_with(var, section) || var[section_len] != '.') |
1b86bbb0 JK |
2454 | return -1; |
2455 | ||
2456 | /* | |
2457 | * Find the key; we don't know yet if we have a subsection, but we must | |
2458 | * parse backwards from the end, since the subsection may have dots in | |
2459 | * it, too. | |
2460 | */ | |
2461 | dot = strrchr(var, '.'); | |
2462 | *key = dot + 1; | |
2463 | ||
2464 | /* Did we have a subsection at all? */ | |
2465 | if (dot == var + section_len) { | |
2466 | *subsection = NULL; | |
2467 | *subsection_len = 0; | |
2468 | } | |
2469 | else { | |
2470 | *subsection = var + section_len + 1; | |
2471 | *subsection_len = dot - *subsection; | |
2472 | } | |
2473 | ||
2474 | return 0; | |
2475 | } | |
473166b9 LS |
2476 | |
2477 | const char *current_config_origin_type(void) | |
2478 | { | |
0d44a2da JK |
2479 | const char *type; |
2480 | if (current_config_kvi) | |
2481 | type = current_config_kvi->origin_type; | |
2482 | else if(cf) | |
2483 | type = cf->origin_type; | |
2484 | else | |
3258258f | 2485 | die("BUG: current_config_origin_type called outside config callback"); |
0d44a2da | 2486 | return type ? type : "command line"; |
473166b9 LS |
2487 | } |
2488 | ||
2489 | const char *current_config_name(void) | |
2490 | { | |
0d44a2da JK |
2491 | const char *name; |
2492 | if (current_config_kvi) | |
2493 | name = current_config_kvi->filename; | |
2494 | else if (cf) | |
2495 | name = cf->name; | |
2496 | else | |
3258258f | 2497 | die("BUG: current_config_name called outside config callback"); |
0d44a2da | 2498 | return name ? name : ""; |
473166b9 | 2499 | } |
9acc5911 JK |
2500 | |
2501 | enum config_scope current_config_scope(void) | |
2502 | { | |
2503 | if (current_config_kvi) | |
2504 | return current_config_kvi->scope; | |
2505 | else | |
2506 | return current_parsing_scope; | |
473166b9 | 2507 | } |