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