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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; |
1b8132d9 | 27 | enum config_origin_type 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 | |
8de7eeb5 JH |
69 | static int core_compression_seen; |
70 | static int pack_compression_seen; | |
960ccca6 DH |
71 | static int zlib_compression_seen; |
72 | ||
3c8687a7 TA |
73 | /* |
74 | * Default config_set that contains key-value pairs from the usual set of config | |
75 | * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG | |
76 | * config file and the global /etc/gitconfig) | |
77 | */ | |
78 | static struct config_set the_config_set; | |
79 | ||
4d8dd149 HV |
80 | static int config_file_fgetc(struct config_source *conf) |
81 | { | |
260d408e | 82 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
83 | } |
84 | ||
85 | static int config_file_ungetc(int c, struct config_source *conf) | |
86 | { | |
87 | return ungetc(c, conf->u.file); | |
88 | } | |
89 | ||
90 | static long config_file_ftell(struct config_source *conf) | |
91 | { | |
92 | return ftell(conf->u.file); | |
93 | } | |
94 | ||
1bc88819 HV |
95 | |
96 | static int config_buf_fgetc(struct config_source *conf) | |
97 | { | |
98 | if (conf->u.buf.pos < conf->u.buf.len) | |
99 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
100 | ||
101 | return EOF; | |
102 | } | |
103 | ||
104 | static int config_buf_ungetc(int c, struct config_source *conf) | |
105 | { | |
1d0655c1 JK |
106 | if (conf->u.buf.pos > 0) { |
107 | conf->u.buf.pos--; | |
108 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
109 | die("BUG: config_buf can only ungetc the same character"); | |
110 | return c; | |
111 | } | |
1bc88819 HV |
112 | |
113 | return EOF; | |
114 | } | |
115 | ||
116 | static long config_buf_ftell(struct config_source *conf) | |
117 | { | |
118 | return conf->u.buf.pos; | |
119 | } | |
120 | ||
9b25a0b5 JK |
121 | #define MAX_INCLUDE_DEPTH 10 |
122 | static const char include_depth_advice[] = | |
123 | "exceeded maximum include depth (%d) while including\n" | |
124 | " %s\n" | |
125 | "from\n" | |
126 | " %s\n" | |
127 | "Do you have circular includes?"; | |
128 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
129 | { | |
130 | int ret = 0; | |
131 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 132 | char *expanded; |
4c0a89fc | 133 | |
67beb600 JK |
134 | if (!path) |
135 | return config_error_nonbool("include.path"); | |
136 | ||
137 | expanded = expand_user_path(path); | |
4c0a89fc | 138 | if (!expanded) |
8c3ca351 | 139 | return error("could not expand include path '%s'", path); |
4c0a89fc | 140 | path = expanded; |
9b25a0b5 JK |
141 | |
142 | /* | |
143 | * Use an absolute path as-is, but interpret relative paths | |
144 | * based on the including config file. | |
145 | */ | |
146 | if (!is_absolute_path(path)) { | |
147 | char *slash; | |
148 | ||
d14d4244 | 149 | if (!cf || !cf->path) |
9b25a0b5 JK |
150 | return error("relative config includes must come from files"); |
151 | ||
d14d4244 | 152 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 153 | if (slash) |
d14d4244 | 154 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
155 | strbuf_addstr(&buf, path); |
156 | path = buf.buf; | |
157 | } | |
158 | ||
4698c8fe | 159 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
160 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
161 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
3258258f JK |
162 | !cf ? "<unknown>" : |
163 | cf->name ? cf->name : | |
164 | "the command line"); | |
9b25a0b5 JK |
165 | ret = git_config_from_file(git_config_include, path, inc); |
166 | inc->depth--; | |
167 | } | |
168 | strbuf_release(&buf); | |
4c0a89fc | 169 | free(expanded); |
9b25a0b5 JK |
170 | return ret; |
171 | } | |
172 | ||
173 | int git_config_include(const char *var, const char *value, void *data) | |
174 | { | |
175 | struct config_include_data *inc = data; | |
9b25a0b5 JK |
176 | int ret; |
177 | ||
178 | /* | |
179 | * Pass along all values, including "include" directives; this makes it | |
180 | * possible to query information on the includes themselves. | |
181 | */ | |
182 | ret = inc->fn(var, value, inc->data); | |
183 | if (ret < 0) | |
184 | return ret; | |
185 | ||
37007c3a | 186 | if (!strcmp(var, "include.path")) |
9b25a0b5 JK |
187 | ret = handle_path_include(value, inc); |
188 | return ret; | |
189 | } | |
190 | ||
2b64fc89 JK |
191 | void git_config_push_parameter(const char *text) |
192 | { | |
193 | struct strbuf env = STRBUF_INIT; | |
194 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 195 | if (old && *old) { |
2b64fc89 JK |
196 | strbuf_addstr(&env, old); |
197 | strbuf_addch(&env, ' '); | |
198 | } | |
199 | sq_quote_buf(&env, text); | |
200 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
201 | strbuf_release(&env); | |
202 | } | |
203 | ||
2496844b JK |
204 | int git_config_parse_parameter(const char *text, |
205 | config_fn_t fn, void *data) | |
8b1fa778 | 206 | { |
a789ca70 | 207 | const char *value; |
572e4f6a | 208 | struct strbuf **pair; |
a789ca70 | 209 | |
f77bccae | 210 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
211 | if (!pair[0]) |
212 | return error("bogus config parameter: %s", text); | |
a789ca70 JH |
213 | |
214 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 215 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
216 | value = pair[1] ? pair[1]->buf : ""; |
217 | } else { | |
218 | value = NULL; | |
219 | } | |
220 | ||
572e4f6a AR |
221 | strbuf_trim(pair[0]); |
222 | if (!pair[0]->len) { | |
223 | strbuf_list_free(pair); | |
06eb708f | 224 | return error("bogus config parameter: %s", text); |
8b1fa778 | 225 | } |
ffb20ce1 | 226 | strbuf_tolower(pair[0]); |
a789ca70 | 227 | if (fn(pair[0]->buf, value, data) < 0) { |
06eb708f JK |
228 | strbuf_list_free(pair); |
229 | return -1; | |
572e4f6a AR |
230 | } |
231 | strbuf_list_free(pair); | |
8b1fa778 AR |
232 | return 0; |
233 | } | |
234 | ||
06eb708f JK |
235 | int git_config_from_parameters(config_fn_t fn, void *data) |
236 | { | |
2b64fc89 | 237 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
a77d6db6 | 238 | int ret = 0; |
2b64fc89 JK |
239 | char *envw; |
240 | const char **argv = NULL; | |
241 | int nr = 0, alloc = 0; | |
242 | int i; | |
3258258f | 243 | struct config_source source; |
2b64fc89 JK |
244 | |
245 | if (!env) | |
246 | return 0; | |
3258258f JK |
247 | |
248 | memset(&source, 0, sizeof(source)); | |
249 | source.prev = cf; | |
1b8132d9 | 250 | source.origin_type = CONFIG_ORIGIN_CMDLINE; |
3258258f JK |
251 | cf = &source; |
252 | ||
2b64fc89 JK |
253 | /* sq_dequote will write over it */ |
254 | envw = xstrdup(env); | |
255 | ||
256 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
a77d6db6 JK |
257 | ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT); |
258 | goto out; | |
2b64fc89 JK |
259 | } |
260 | ||
261 | for (i = 0; i < nr; i++) { | |
06eb708f | 262 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
a77d6db6 JK |
263 | ret = -1; |
264 | goto out; | |
2b64fc89 JK |
265 | } |
266 | } | |
267 | ||
a77d6db6 | 268 | out: |
2b64fc89 JK |
269 | free(argv); |
270 | free(envw); | |
3258258f | 271 | cf = source.prev; |
a77d6db6 | 272 | return ret; |
2b64fc89 JK |
273 | } |
274 | ||
17712991 LT |
275 | static int get_next_char(void) |
276 | { | |
49d6cfa5 | 277 | int c = cf->do_fgetc(cf); |
17712991 | 278 | |
dbb9a812 HV |
279 | if (c == '\r') { |
280 | /* DOS like systems */ | |
49d6cfa5 | 281 | c = cf->do_fgetc(cf); |
dbb9a812 | 282 | if (c != '\n') { |
5e0be134 JK |
283 | if (c != EOF) |
284 | cf->do_ungetc(c, cf); | |
dbb9a812 | 285 | c = '\r'; |
17712991 LT |
286 | } |
287 | } | |
dbb9a812 HV |
288 | if (c == '\n') |
289 | cf->linenr++; | |
290 | if (c == EOF) { | |
291 | cf->eof = 1; | |
b3b3f60b | 292 | cf->linenr++; |
dbb9a812 HV |
293 | c = '\n'; |
294 | } | |
17712991 LT |
295 | return c; |
296 | } | |
297 | ||
298 | static char *parse_value(void) | |
299 | { | |
e96c19c5 | 300 | int quote = 0, comment = 0, space = 0; |
17712991 | 301 | |
924aaf3e | 302 | strbuf_reset(&cf->value); |
17712991 LT |
303 | for (;;) { |
304 | int c = get_next_char(); | |
17712991 | 305 | if (c == '\n') { |
4b340593 MS |
306 | if (quote) { |
307 | cf->linenr--; | |
17712991 | 308 | return NULL; |
4b340593 | 309 | } |
924aaf3e | 310 | return cf->value.buf; |
17712991 LT |
311 | } |
312 | if (comment) | |
313 | continue; | |
314 | if (isspace(c) && !quote) { | |
924aaf3e | 315 | if (cf->value.len) |
ebdaae37 | 316 | space++; |
17712991 LT |
317 | continue; |
318 | } | |
7ebdba61 JS |
319 | if (!quote) { |
320 | if (c == ';' || c == '#') { | |
321 | comment = 1; | |
322 | continue; | |
323 | } | |
324 | } | |
ebdaae37 | 325 | for (; space; space--) |
924aaf3e | 326 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
327 | if (c == '\\') { |
328 | c = get_next_char(); | |
329 | switch (c) { | |
330 | case '\n': | |
331 | continue; | |
332 | case 't': | |
333 | c = '\t'; | |
334 | break; | |
335 | case 'b': | |
336 | c = '\b'; | |
337 | break; | |
338 | case 'n': | |
339 | c = '\n'; | |
340 | break; | |
5cbb401d LT |
341 | /* Some characters escape as themselves */ |
342 | case '\\': case '"': | |
343 | break; | |
344 | /* Reject unknown escape sequences */ | |
345 | default: | |
346 | return NULL; | |
17712991 | 347 | } |
924aaf3e | 348 | strbuf_addch(&cf->value, c); |
17712991 LT |
349 | continue; |
350 | } | |
351 | if (c == '"') { | |
352 | quote = 1-quote; | |
353 | continue; | |
354 | } | |
924aaf3e | 355 | strbuf_addch(&cf->value, c); |
17712991 LT |
356 | } |
357 | } | |
358 | ||
38c5afa8 LT |
359 | static inline int iskeychar(int c) |
360 | { | |
361 | return isalnum(c) || c == '-'; | |
362 | } | |
363 | ||
0971e992 | 364 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
365 | { |
366 | int c; | |
367 | char *value; | |
b3b3f60b | 368 | int ret; |
17712991 LT |
369 | |
370 | /* Get the full name */ | |
371 | for (;;) { | |
372 | c = get_next_char(); | |
924aaf3e | 373 | if (cf->eof) |
17712991 | 374 | break; |
38c5afa8 | 375 | if (!iskeychar(c)) |
17712991 | 376 | break; |
0971e992 | 377 | strbuf_addch(name, tolower(c)); |
17712991 | 378 | } |
0971e992 | 379 | |
17712991 LT |
380 | while (c == ' ' || c == '\t') |
381 | c = get_next_char(); | |
382 | ||
383 | value = NULL; | |
384 | if (c != '\n') { | |
385 | if (c != '=') | |
386 | return -1; | |
387 | value = parse_value(); | |
388 | if (!value) | |
389 | return -1; | |
390 | } | |
b3b3f60b MM |
391 | /* |
392 | * We already consumed the \n, but we need linenr to point to | |
393 | * the line we just parsed during the call to fn to get | |
394 | * accurate line number in error messages. | |
395 | */ | |
396 | cf->linenr--; | |
397 | ret = fn(name->buf, value, data); | |
398 | cf->linenr++; | |
399 | return ret; | |
17712991 LT |
400 | } |
401 | ||
0971e992 | 402 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
403 | { |
404 | do { | |
405 | if (c == '\n') | |
4b340593 | 406 | goto error_incomplete_line; |
d14f7764 LT |
407 | c = get_next_char(); |
408 | } while (isspace(c)); | |
409 | ||
410 | /* We require the format to be '[base "extension"]' */ | |
411 | if (c != '"') | |
412 | return -1; | |
0971e992 | 413 | strbuf_addch(name, '.'); |
d14f7764 LT |
414 | |
415 | for (;;) { | |
416 | int c = get_next_char(); | |
417 | if (c == '\n') | |
4b340593 | 418 | goto error_incomplete_line; |
d14f7764 LT |
419 | if (c == '"') |
420 | break; | |
421 | if (c == '\\') { | |
422 | c = get_next_char(); | |
423 | if (c == '\n') | |
4b340593 | 424 | goto error_incomplete_line; |
d14f7764 | 425 | } |
0971e992 | 426 | strbuf_addch(name, c); |
d14f7764 LT |
427 | } |
428 | ||
429 | /* Final ']' */ | |
430 | if (get_next_char() != ']') | |
431 | return -1; | |
0971e992 | 432 | return 0; |
4b340593 MS |
433 | error_incomplete_line: |
434 | cf->linenr--; | |
435 | return -1; | |
d14f7764 LT |
436 | } |
437 | ||
0971e992 | 438 | static int get_base_var(struct strbuf *name) |
17712991 | 439 | { |
17712991 LT |
440 | for (;;) { |
441 | int c = get_next_char(); | |
924aaf3e | 442 | if (cf->eof) |
17712991 LT |
443 | return -1; |
444 | if (c == ']') | |
0971e992 | 445 | return 0; |
d14f7764 | 446 | if (isspace(c)) |
0971e992 | 447 | return get_extended_base_var(name, c); |
38c5afa8 | 448 | if (!iskeychar(c) && c != '.') |
17712991 | 449 | return -1; |
0971e992 | 450 | strbuf_addch(name, tolower(c)); |
17712991 LT |
451 | } |
452 | } | |
453 | ||
4d8dd149 | 454 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
455 | { |
456 | int comment = 0; | |
457 | int baselen = 0; | |
0971e992 | 458 | struct strbuf *var = &cf->var; |
1b8132d9 VA |
459 | int error_return = 0; |
460 | char *error_msg = NULL; | |
17712991 | 461 | |
de056402 | 462 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 463 | const char *bomptr = utf8_bom; |
de056402 | 464 | |
17712991 LT |
465 | for (;;) { |
466 | int c = get_next_char(); | |
de056402 PB |
467 | if (bomptr && *bomptr) { |
468 | /* We are at the file beginning; skip UTF8-encoded BOM | |
469 | * if present. Sane editors won't put this in on their | |
470 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 471 | if (c == (*bomptr & 0377)) { |
de056402 PB |
472 | bomptr++; |
473 | continue; | |
474 | } else { | |
475 | /* Do not tolerate partial BOM. */ | |
476 | if (bomptr != utf8_bom) | |
477 | break; | |
478 | /* No BOM at file beginning. Cool. */ | |
479 | bomptr = NULL; | |
480 | } | |
481 | } | |
17712991 | 482 | if (c == '\n') { |
924aaf3e | 483 | if (cf->eof) |
17712991 LT |
484 | return 0; |
485 | comment = 0; | |
486 | continue; | |
487 | } | |
488 | if (comment || isspace(c)) | |
489 | continue; | |
490 | if (c == '#' || c == ';') { | |
491 | comment = 1; | |
492 | continue; | |
493 | } | |
494 | if (c == '[') { | |
0971e992 BW |
495 | /* Reset prior to determining a new stem */ |
496 | strbuf_reset(var); | |
497 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 498 | break; |
0971e992 BW |
499 | strbuf_addch(var, '.'); |
500 | baselen = var->len; | |
17712991 LT |
501 | continue; |
502 | } | |
503 | if (!isalpha(c)) | |
504 | break; | |
0971e992 BW |
505 | /* |
506 | * Truncate the var name back to the section header | |
507 | * stem prior to grabbing the suffix part of the name | |
508 | * and the value. | |
509 | */ | |
510 | strbuf_setlen(var, baselen); | |
511 | strbuf_addch(var, tolower(c)); | |
512 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
513 | break; |
514 | } | |
1b8132d9 VA |
515 | |
516 | switch (cf->origin_type) { | |
517 | case CONFIG_ORIGIN_BLOB: | |
518 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
519 | cf->linenr, cf->name); | |
520 | break; | |
521 | case CONFIG_ORIGIN_FILE: | |
522 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
523 | cf->linenr, cf->name); | |
524 | break; | |
525 | case CONFIG_ORIGIN_STDIN: | |
526 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
527 | cf->linenr); | |
528 | break; | |
529 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
530 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
531 | cf->linenr, cf->name); | |
532 | break; | |
533 | case CONFIG_ORIGIN_CMDLINE: | |
534 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
535 | cf->linenr, cf->name); | |
536 | break; | |
537 | default: | |
538 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
539 | cf->linenr, cf->name); | |
540 | } | |
541 | ||
b2dc0945 | 542 | if (cf->die_on_error) |
1b8132d9 | 543 | die("%s", error_msg); |
b2dc0945 | 544 | else |
1b8132d9 VA |
545 | error_return = error("%s", error_msg); |
546 | ||
547 | free(error_msg); | |
548 | return error_return; | |
17712991 LT |
549 | } |
550 | ||
ebaa1bd4 | 551 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
552 | { |
553 | if (!*end) | |
554 | return 1; | |
c8deb5a1 SP |
555 | else if (!strcasecmp(end, "k")) { |
556 | *val *= 1024; | |
557 | return 1; | |
558 | } | |
559 | else if (!strcasecmp(end, "m")) { | |
560 | *val *= 1024 * 1024; | |
561 | return 1; | |
562 | } | |
563 | else if (!strcasecmp(end, "g")) { | |
564 | *val *= 1024 * 1024 * 1024; | |
565 | return 1; | |
566 | } | |
567 | return 0; | |
0b87b6e0 BD |
568 | } |
569 | ||
7192777d | 570 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
571 | { |
572 | if (value && *value) { | |
573 | char *end; | |
ebaa1bd4 NA |
574 | intmax_t val; |
575 | uintmax_t uval; | |
576 | uintmax_t factor = 1; | |
577 | ||
578 | errno = 0; | |
579 | val = strtoimax(value, &end, 0); | |
580 | if (errno == ERANGE) | |
581 | return 0; | |
33fdd77e JK |
582 | if (!parse_unit_factor(end, &factor)) { |
583 | errno = EINVAL; | |
c8deb5a1 | 584 | return 0; |
33fdd77e | 585 | } |
83915ba5 | 586 | uval = labs(val); |
ebaa1bd4 | 587 | uval *= factor; |
83915ba5 | 588 | if (uval > max || labs(val) > uval) { |
33fdd77e | 589 | errno = ERANGE; |
ebaa1bd4 | 590 | return 0; |
33fdd77e | 591 | } |
ebaa1bd4 NA |
592 | val *= factor; |
593 | *ret = val; | |
0b87b6e0 BD |
594 | return 1; |
595 | } | |
33fdd77e | 596 | errno = EINVAL; |
0b87b6e0 BD |
597 | return 0; |
598 | } | |
599 | ||
0b4dc661 | 600 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
601 | { |
602 | if (value && *value) { | |
603 | char *end; | |
ebaa1bd4 NA |
604 | uintmax_t val; |
605 | uintmax_t oldval; | |
606 | ||
607 | errno = 0; | |
608 | val = strtoumax(value, &end, 0); | |
609 | if (errno == ERANGE) | |
610 | return 0; | |
611 | oldval = val; | |
33fdd77e JK |
612 | if (!parse_unit_factor(end, &val)) { |
613 | errno = EINVAL; | |
c8deb5a1 | 614 | return 0; |
33fdd77e JK |
615 | } |
616 | if (val > max || oldval > val) { | |
617 | errno = ERANGE; | |
ebaa1bd4 | 618 | return 0; |
33fdd77e | 619 | } |
c8deb5a1 | 620 | *ret = val; |
0b87b6e0 | 621 | return 1; |
17712991 | 622 | } |
33fdd77e | 623 | errno = EINVAL; |
0b87b6e0 BD |
624 | return 0; |
625 | } | |
626 | ||
42d194e9 | 627 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 628 | { |
7192777d | 629 | intmax_t tmp; |
42d194e9 | 630 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
631 | return 0; |
632 | *ret = tmp; | |
633 | return 1; | |
634 | } | |
635 | ||
00160242 JK |
636 | static int git_parse_int64(const char *value, int64_t *ret) |
637 | { | |
638 | intmax_t tmp; | |
639 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
640 | return 0; | |
641 | *ret = tmp; | |
642 | return 1; | |
643 | } | |
644 | ||
7192777d JK |
645 | int git_parse_ulong(const char *value, unsigned long *ret) |
646 | { | |
647 | uintmax_t tmp; | |
648 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
649 | return 0; | |
650 | *ret = tmp; | |
651 | return 1; | |
652 | } | |
653 | ||
06bdc23b | 654 | NORETURN |
2f666581 | 655 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 656 | { |
078fe305 JNA |
657 | const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit"); |
658 | ||
2f666581 JK |
659 | if (!value) |
660 | value = ""; | |
661 | ||
1b8132d9 | 662 | if (!(cf && cf->name)) |
078fe305 JNA |
663 | die(_("bad numeric config value '%s' for '%s': %s"), |
664 | value, name, error_type); | |
1b8132d9 VA |
665 | |
666 | switch (cf->origin_type) { | |
667 | case CONFIG_ORIGIN_BLOB: | |
078fe305 JNA |
668 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
669 | value, name, cf->name, error_type); | |
1b8132d9 | 670 | case CONFIG_ORIGIN_FILE: |
078fe305 JNA |
671 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
672 | value, name, cf->name, error_type); | |
1b8132d9 | 673 | case CONFIG_ORIGIN_STDIN: |
078fe305 JNA |
674 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
675 | value, name, error_type); | |
1b8132d9 | 676 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 JNA |
677 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
678 | value, name, cf->name, error_type); | |
1b8132d9 | 679 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 JNA |
680 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
681 | value, name, cf->name, error_type); | |
1b8132d9 | 682 | default: |
078fe305 JNA |
683 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
684 | value, name, cf->name, error_type); | |
1b8132d9 | 685 | } |
c1867cea JK |
686 | } |
687 | ||
0b87b6e0 BD |
688 | int git_config_int(const char *name, const char *value) |
689 | { | |
42d194e9 JK |
690 | int ret; |
691 | if (!git_parse_int(value, &ret)) | |
2f666581 | 692 | die_bad_number(name, value); |
0b87b6e0 BD |
693 | return ret; |
694 | } | |
695 | ||
00160242 JK |
696 | int64_t git_config_int64(const char *name, const char *value) |
697 | { | |
698 | int64_t ret; | |
699 | if (!git_parse_int64(value, &ret)) | |
700 | die_bad_number(name, value); | |
0b87b6e0 BD |
701 | return ret; |
702 | } | |
703 | ||
704 | unsigned long git_config_ulong(const char *name, const char *value) | |
705 | { | |
706 | unsigned long ret; | |
707 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 708 | die_bad_number(name, value); |
0b87b6e0 | 709 | return ret; |
17712991 LT |
710 | } |
711 | ||
9a549d43 | 712 | int git_parse_maybe_bool(const char *value) |
17712991 LT |
713 | { |
714 | if (!value) | |
715 | return 1; | |
716 | if (!*value) | |
717 | return 0; | |
8420ccd8 JH |
718 | if (!strcasecmp(value, "true") |
719 | || !strcasecmp(value, "yes") | |
720 | || !strcasecmp(value, "on")) | |
17712991 | 721 | return 1; |
8420ccd8 JH |
722 | if (!strcasecmp(value, "false") |
723 | || !strcasecmp(value, "no") | |
724 | || !strcasecmp(value, "off")) | |
17712991 | 725 | return 0; |
8420ccd8 JH |
726 | return -1; |
727 | } | |
728 | ||
b2be2f6a JK |
729 | int git_config_maybe_bool(const char *name, const char *value) |
730 | { | |
9a549d43 | 731 | int v = git_parse_maybe_bool(value); |
b2be2f6a JK |
732 | if (0 <= v) |
733 | return v; | |
42d194e9 | 734 | if (git_parse_int(value, &v)) |
db6195ef | 735 | return !!v; |
b2be2f6a JK |
736 | return -1; |
737 | } | |
738 | ||
8420ccd8 JH |
739 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
740 | { | |
9a549d43 | 741 | int v = git_parse_maybe_bool(value); |
8420ccd8 JH |
742 | if (0 <= v) { |
743 | *is_bool = 1; | |
744 | return v; | |
745 | } | |
a53f2ec6 | 746 | *is_bool = 0; |
c35b0b58 | 747 | return git_config_int(name, value); |
17712991 LT |
748 | } |
749 | ||
a53f2ec6 JH |
750 | int git_config_bool(const char *name, const char *value) |
751 | { | |
752 | int discard; | |
c35b0b58 | 753 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
754 | } |
755 | ||
ea5105a5 CC |
756 | int git_config_string(const char **dest, const char *var, const char *value) |
757 | { | |
758 | if (!value) | |
759 | return config_error_nonbool(var); | |
760 | *dest = xstrdup(value); | |
761 | return 0; | |
762 | } | |
763 | ||
395de250 MM |
764 | int git_config_pathname(const char **dest, const char *var, const char *value) |
765 | { | |
766 | if (!value) | |
767 | return config_error_nonbool(var); | |
768 | *dest = expand_user_path(value); | |
769 | if (!*dest) | |
8262aaa2 | 770 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
771 | return 0; |
772 | } | |
773 | ||
806e2ad7 | 774 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
775 | { |
776 | /* This needs a better name */ | |
777 | if (!strcmp(var, "core.filemode")) { | |
778 | trust_executable_bit = git_config_bool(var, value); | |
779 | return 0; | |
780 | } | |
1ce4790b AR |
781 | if (!strcmp(var, "core.trustctime")) { |
782 | trust_ctime = git_config_bool(var, value); | |
783 | return 0; | |
784 | } | |
c1b5d738 | 785 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
786 | if (!strcasecmp(value, "default")) |
787 | check_stat = 1; | |
788 | else if (!strcasecmp(value, "minimal")) | |
789 | check_stat = 0; | |
790 | } | |
17712991 | 791 | |
9378c161 JH |
792 | if (!strcmp(var, "core.quotepath")) { |
793 | quote_path_fully = git_config_bool(var, value); | |
794 | return 0; | |
795 | } | |
796 | ||
78a8d641 JS |
797 | if (!strcmp(var, "core.symlinks")) { |
798 | has_symlinks = git_config_bool(var, value); | |
799 | return 0; | |
800 | } | |
801 | ||
0a9b88b7 LT |
802 | if (!strcmp(var, "core.ignorecase")) { |
803 | ignore_case = git_config_bool(var, value); | |
804 | return 0; | |
805 | } | |
806 | ||
64589a03 JH |
807 | if (!strcmp(var, "core.attributesfile")) |
808 | return git_config_pathname(&git_attributes_file, var, value); | |
809 | ||
867ad08a ÆAB |
810 | if (!strcmp(var, "core.hookspath")) |
811 | return git_config_pathname(&git_hooks_path, var, value); | |
812 | ||
7d1864ce JH |
813 | if (!strcmp(var, "core.bare")) { |
814 | is_bare_repository_cfg = git_config_bool(var, value); | |
815 | return 0; | |
816 | } | |
817 | ||
5f73076c JH |
818 | if (!strcmp(var, "core.ignorestat")) { |
819 | assume_unchanged = git_config_bool(var, value); | |
820 | return 0; | |
821 | } | |
822 | ||
e388c738 JH |
823 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
824 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
825 | return 0; |
826 | } | |
827 | ||
6de08ae6 | 828 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
829 | if (value && !strcasecmp(value, "always")) |
830 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
831 | else if (git_config_bool(var, value)) | |
832 | log_all_ref_updates = LOG_REFS_NORMAL; | |
833 | else | |
834 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
835 | return 0; |
836 | } | |
837 | ||
2f8acdb3 JH |
838 | if (!strcmp(var, "core.warnambiguousrefs")) { |
839 | warn_ambiguous_refs = git_config_bool(var, value); | |
840 | return 0; | |
841 | } | |
842 | ||
a71f09fe | 843 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
844 | if (!value) |
845 | return config_error_nonbool(var); | |
846 | if (!strcasecmp(value, "auto")) | |
847 | default_abbrev = -1; | |
848 | else { | |
849 | int abbrev = git_config_int(var, value); | |
850 | if (abbrev < minimum_abbrev || abbrev > 40) | |
851 | return error("abbrev length out of range: %d", abbrev); | |
852 | default_abbrev = abbrev; | |
853 | } | |
dce96489 LT |
854 | return 0; |
855 | } | |
856 | ||
5b33cb1f JK |
857 | if (!strcmp(var, "core.disambiguate")) |
858 | return set_disambiguate_hint_config(var, value); | |
859 | ||
960ccca6 | 860 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
861 | int level = git_config_int(var, value); |
862 | if (level == -1) | |
863 | level = Z_DEFAULT_COMPRESSION; | |
864 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 865 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 866 | zlib_compression_level = level; |
960ccca6 DH |
867 | zlib_compression_seen = 1; |
868 | return 0; | |
869 | } | |
870 | ||
871 | if (!strcmp(var, "core.compression")) { | |
872 | int level = git_config_int(var, value); | |
873 | if (level == -1) | |
874 | level = Z_DEFAULT_COMPRESSION; | |
875 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 876 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
877 | core_compression_level = level; |
878 | core_compression_seen = 1; | |
879 | if (!zlib_compression_seen) | |
880 | zlib_compression_level = level; | |
8de7eeb5 JH |
881 | if (!pack_compression_seen) |
882 | pack_compression_level = level; | |
12f6c308 JBH |
883 | return 0; |
884 | } | |
885 | ||
60bb8b14 | 886 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 887 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 888 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
889 | |
890 | /* This value must be multiple of (pagesize * 2) */ | |
891 | packed_git_window_size /= pgsz_x2; | |
892 | if (packed_git_window_size < 1) | |
893 | packed_git_window_size = 1; | |
894 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
895 | return 0; |
896 | } | |
897 | ||
15366280 | 898 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 899 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
900 | return 0; |
901 | } | |
902 | ||
77ccc5bb | 903 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 904 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
905 | return 0; |
906 | } | |
907 | ||
18bdec11 | 908 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 909 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
910 | return 0; |
911 | } | |
912 | ||
6c510bee | 913 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 914 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 915 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
916 | return 0; |
917 | } | |
6c510bee LT |
918 | auto_crlf = git_config_bool(var, value); |
919 | return 0; | |
920 | } | |
921 | ||
21e5ad50 SP |
922 | if (!strcmp(var, "core.safecrlf")) { |
923 | if (value && !strcasecmp(value, "warn")) { | |
924 | safe_crlf = SAFE_CRLF_WARN; | |
925 | return 0; | |
926 | } | |
927 | safe_crlf = git_config_bool(var, value); | |
928 | return 0; | |
929 | } | |
930 | ||
942e7747 EB |
931 | if (!strcmp(var, "core.eol")) { |
932 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 933 | core_eol = EOL_LF; |
942e7747 | 934 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 935 | core_eol = EOL_CRLF; |
942e7747 | 936 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 937 | core_eol = EOL_NATIVE; |
942e7747 | 938 | else |
ec70f52f | 939 | core_eol = EOL_UNSET; |
942e7747 EB |
940 | return 0; |
941 | } | |
942 | ||
a97a7468 JS |
943 | if (!strcmp(var, "core.notesref")) { |
944 | notes_ref_name = xstrdup(value); | |
945 | return 0; | |
946 | } | |
947 | ||
806e2ad7 LT |
948 | if (!strcmp(var, "core.editor")) |
949 | return git_config_string(&editor_program, var, value); | |
950 | ||
eff80a9f | 951 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
952 | if (!value) |
953 | return config_error_nonbool(var); | |
ad524f83 | 954 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 955 | auto_comment_line_char = 1; |
ad524f83 | 956 | else if (value[0] && !value[1]) { |
649409b7 | 957 | comment_line_char = value[0]; |
84c9dc2c | 958 | auto_comment_line_char = 0; |
50b54fd7 NTND |
959 | } else |
960 | return error("core.commentChar should only be one character"); | |
961 | return 0; | |
eff80a9f JH |
962 | } |
963 | ||
d3e7da89 AK |
964 | if (!strcmp(var, "core.askpass")) |
965 | return git_config_string(&askpass_program, var, value); | |
966 | ||
806e2ad7 | 967 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 968 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
969 | |
970 | if (!strcmp(var, "core.whitespace")) { | |
971 | if (!value) | |
972 | return config_error_nonbool(var); | |
973 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
974 | return 0; | |
975 | } | |
976 | ||
aafe9fba LT |
977 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
978 | fsync_object_files = git_config_bool(var, value); | |
979 | return 0; | |
980 | } | |
981 | ||
671c9b7e LT |
982 | if (!strcmp(var, "core.preloadindex")) { |
983 | core_preload_index = git_config_bool(var, value); | |
984 | return 0; | |
985 | } | |
986 | ||
348df166 JS |
987 | if (!strcmp(var, "core.createobject")) { |
988 | if (!strcmp(value, "rename")) | |
989 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
990 | else if (!strcmp(value, "link")) | |
991 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
992 | else | |
8262aaa2 | 993 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
994 | return 0; |
995 | } | |
996 | ||
08aefc9e NTND |
997 | if (!strcmp(var, "core.sparsecheckout")) { |
998 | core_apply_sparse_checkout = git_config_bool(var, value); | |
999 | return 0; | |
1000 | } | |
1001 | ||
76759c7d TB |
1002 | if (!strcmp(var, "core.precomposeunicode")) { |
1003 | precomposed_unicode = git_config_bool(var, value); | |
1004 | return 0; | |
1005 | } | |
1006 | ||
a42643aa JK |
1007 | if (!strcmp(var, "core.protecthfs")) { |
1008 | protect_hfs = git_config_bool(var, value); | |
1009 | return 0; | |
1010 | } | |
1011 | ||
2b4c6efc JS |
1012 | if (!strcmp(var, "core.protectntfs")) { |
1013 | protect_ntfs = git_config_bool(var, value); | |
1014 | return 0; | |
76759c7d TB |
1015 | } |
1016 | ||
f30afdab JS |
1017 | if (!strcmp(var, "core.hidedotfiles")) { |
1018 | if (value && !strcasecmp(value, "dotgitonly")) | |
1019 | hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; | |
1020 | else | |
1021 | hide_dotfiles = git_config_bool(var, value); | |
1022 | return 0; | |
1023 | } | |
1024 | ||
806e2ad7 LT |
1025 | /* Add other config variables here and to Documentation/config.txt. */ |
1026 | return 0; | |
1027 | } | |
1028 | ||
1141f492 | 1029 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1030 | { |
ea5105a5 CC |
1031 | if (!strcmp(var, "i18n.commitencoding")) |
1032 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1033 | |
ea5105a5 CC |
1034 | if (!strcmp(var, "i18n.logoutputencoding")) |
1035 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1036 | |
1141f492 LT |
1037 | /* Add other config variables here and to Documentation/config.txt. */ |
1038 | return 0; | |
1039 | } | |
039bc64e | 1040 | |
1141f492 LT |
1041 | static int git_default_branch_config(const char *var, const char *value) |
1042 | { | |
9ed36cfa JS |
1043 | if (!strcmp(var, "branch.autosetupmerge")) { |
1044 | if (value && !strcasecmp(value, "always")) { | |
1045 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
1046 | return 0; | |
1047 | } | |
1048 | git_branch_track = git_config_bool(var, value); | |
1049 | return 0; | |
1050 | } | |
c998ae9b DS |
1051 | if (!strcmp(var, "branch.autosetuprebase")) { |
1052 | if (!value) | |
1053 | return config_error_nonbool(var); | |
1054 | else if (!strcmp(value, "never")) | |
1055 | autorebase = AUTOREBASE_NEVER; | |
1056 | else if (!strcmp(value, "local")) | |
1057 | autorebase = AUTOREBASE_LOCAL; | |
1058 | else if (!strcmp(value, "remote")) | |
1059 | autorebase = AUTOREBASE_REMOTE; | |
1060 | else if (!strcmp(value, "always")) | |
1061 | autorebase = AUTOREBASE_ALWAYS; | |
1062 | else | |
8c3ca351 | 1063 | return error("malformed value for %s", var); |
c998ae9b DS |
1064 | return 0; |
1065 | } | |
a9cc857a | 1066 | |
1ab661dd | 1067 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1068 | return 0; |
1069 | } | |
1070 | ||
52153747 FAG |
1071 | static int git_default_push_config(const char *var, const char *value) |
1072 | { | |
1073 | if (!strcmp(var, "push.default")) { | |
1074 | if (!value) | |
1075 | return config_error_nonbool(var); | |
1076 | else if (!strcmp(value, "nothing")) | |
1077 | push_default = PUSH_DEFAULT_NOTHING; | |
1078 | else if (!strcmp(value, "matching")) | |
1079 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1080 | else if (!strcmp(value, "simple")) |
1081 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1082 | else if (!strcmp(value, "upstream")) |
1083 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1084 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1085 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1086 | else if (!strcmp(value, "current")) |
1087 | push_default = PUSH_DEFAULT_CURRENT; | |
1088 | else { | |
8c3ca351 | 1089 | error("malformed value for %s: %s", var, value); |
b55e6775 MM |
1090 | return error("Must be one of nothing, matching, simple, " |
1091 | "upstream or current."); | |
52153747 FAG |
1092 | } |
1093 | return 0; | |
1094 | } | |
1095 | ||
1096 | /* Add other config variables here and to Documentation/config.txt. */ | |
1097 | return 0; | |
1098 | } | |
1099 | ||
d551a488 MSO |
1100 | static int git_default_mailmap_config(const char *var, const char *value) |
1101 | { | |
1102 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1103 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1104 | if (!strcmp(var, "mailmap.blob")) |
1105 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1106 | |
1107 | /* Add other config variables here and to Documentation/config.txt. */ | |
1108 | return 0; | |
1109 | } | |
1110 | ||
1141f492 LT |
1111 | int git_default_config(const char *var, const char *value, void *dummy) |
1112 | { | |
59556548 | 1113 | if (starts_with(var, "core.")) |
1141f492 LT |
1114 | return git_default_core_config(var, value); |
1115 | ||
59556548 | 1116 | if (starts_with(var, "user.")) |
9597921b | 1117 | return git_ident_config(var, value, dummy); |
1141f492 | 1118 | |
59556548 | 1119 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1120 | return git_default_i18n_config(var, value); |
1121 | ||
59556548 | 1122 | if (starts_with(var, "branch.")) |
1141f492 LT |
1123 | return git_default_branch_config(var, value); |
1124 | ||
59556548 | 1125 | if (starts_with(var, "push.")) |
52153747 FAG |
1126 | return git_default_push_config(var, value); |
1127 | ||
59556548 | 1128 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1129 | return git_default_mailmap_config(var, value); |
1130 | ||
59556548 | 1131 | if (starts_with(var, "advice.")) |
75194438 JK |
1132 | return git_default_advice_config(var, value); |
1133 | ||
1141f492 LT |
1134 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1135 | pager_use_color = git_config_bool(var,value); | |
1136 | return 0; | |
1137 | } | |
1138 | ||
568508e7 JH |
1139 | if (!strcmp(var, "pack.packsizelimit")) { |
1140 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1141 | return 0; | |
1142 | } | |
8de7eeb5 JH |
1143 | |
1144 | if (!strcmp(var, "pack.compression")) { | |
1145 | int level = git_config_int(var, value); | |
1146 | if (level == -1) | |
1147 | level = Z_DEFAULT_COMPRESSION; | |
1148 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1149 | die(_("bad pack compression level %d"), level); | |
1150 | pack_compression_level = level; | |
1151 | pack_compression_seen = 1; | |
1152 | return 0; | |
1153 | } | |
1154 | ||
1141f492 LT |
1155 | /* Add other config variables here and to Documentation/config.txt. */ |
1156 | return 0; | |
1157 | } | |
1158 | ||
ca4b5de2 | 1159 | /* |
b2dc0945 | 1160 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1161 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1162 | * this function. |
1163 | */ | |
4d8dd149 | 1164 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1165 | { |
1166 | int ret; | |
1167 | ||
1168 | /* push config-file parsing state stack */ | |
1169 | top->prev = cf; | |
1170 | top->linenr = 1; | |
1171 | top->eof = 0; | |
1172 | strbuf_init(&top->value, 1024); | |
1173 | strbuf_init(&top->var, 1024); | |
1174 | cf = top; | |
1175 | ||
4d8dd149 | 1176 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1177 | |
1178 | /* pop config-file parsing state stack */ | |
1179 | strbuf_release(&top->value); | |
1180 | strbuf_release(&top->var); | |
1181 | cf = top->prev; | |
1182 | ||
1183 | return ret; | |
1184 | } | |
1185 | ||
3caec73b | 1186 | static int do_config_from_file(config_fn_t fn, |
1b8132d9 VA |
1187 | const enum config_origin_type origin_type, |
1188 | const char *name, const char *path, FILE *f, | |
473166b9 | 1189 | void *data) |
17712991 | 1190 | { |
3caec73b | 1191 | struct config_source top; |
17712991 | 1192 | |
3caec73b | 1193 | top.u.file = f; |
473166b9 | 1194 | top.origin_type = origin_type; |
3caec73b KS |
1195 | top.name = name; |
1196 | top.path = path; | |
1197 | top.die_on_error = 1; | |
1198 | top.do_fgetc = config_file_fgetc; | |
1199 | top.do_ungetc = config_file_ungetc; | |
1200 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1201 | |
3caec73b KS |
1202 | return do_config_from(&top, fn, data); |
1203 | } | |
924aaf3e | 1204 | |
3caec73b KS |
1205 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1206 | { | |
1b8132d9 | 1207 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, data); |
3caec73b KS |
1208 | } |
1209 | ||
1210 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) | |
1211 | { | |
1212 | int ret = -1; | |
1213 | FILE *f; | |
924aaf3e | 1214 | |
3caec73b KS |
1215 | f = fopen(filename, "r"); |
1216 | if (f) { | |
260d408e | 1217 | flockfile(f); |
1b8132d9 | 1218 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data); |
260d408e | 1219 | funlockfile(f); |
17712991 LT |
1220 | fclose(f); |
1221 | } | |
1222 | return ret; | |
1223 | } | |
10bea152 | 1224 | |
1b8132d9 | 1225 | int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_type, |
473166b9 | 1226 | const char *name, const char *buf, size_t len, void *data) |
1bc88819 HV |
1227 | { |
1228 | struct config_source top; | |
1229 | ||
1230 | top.u.buf.buf = buf; | |
1231 | top.u.buf.len = len; | |
1232 | top.u.buf.pos = 0; | |
473166b9 | 1233 | top.origin_type = origin_type; |
1bc88819 | 1234 | top.name = name; |
d14d4244 | 1235 | top.path = NULL; |
b2dc0945 | 1236 | top.die_on_error = 0; |
49d6cfa5 JK |
1237 | top.do_fgetc = config_buf_fgetc; |
1238 | top.do_ungetc = config_buf_ungetc; | |
1239 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1240 | |
1241 | return do_config_from(&top, fn, data); | |
1242 | } | |
1243 | ||
9ebf689a BW |
1244 | int git_config_from_blob_sha1(config_fn_t fn, |
1245 | const char *name, | |
1246 | const unsigned char *sha1, | |
1247 | void *data) | |
1bc88819 HV |
1248 | { |
1249 | enum object_type type; | |
1250 | char *buf; | |
1251 | unsigned long size; | |
1252 | int ret; | |
1253 | ||
1254 | buf = read_sha1_file(sha1, &type, &size); | |
1255 | if (!buf) | |
1256 | return error("unable to load config blob object '%s'", name); | |
1257 | if (type != OBJ_BLOB) { | |
1258 | free(buf); | |
1259 | return error("reference '%s' does not point to a blob", name); | |
1260 | } | |
1261 | ||
1b8132d9 | 1262 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data); |
1bc88819 HV |
1263 | free(buf); |
1264 | ||
1265 | return ret; | |
1266 | } | |
1267 | ||
1268 | static int git_config_from_blob_ref(config_fn_t fn, | |
1269 | const char *name, | |
1270 | void *data) | |
1271 | { | |
1272 | unsigned char sha1[20]; | |
1273 | ||
1274 | if (get_sha1(name, sha1) < 0) | |
1275 | return error("unable to resolve config blob '%s'", name); | |
1276 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1277 | } | |
1278 | ||
506b17b1 JS |
1279 | const char *git_etc_gitconfig(void) |
1280 | { | |
7f0e39fa | 1281 | static const char *system_wide; |
2de9de5e SP |
1282 | if (!system_wide) |
1283 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1284 | return system_wide; |
506b17b1 JS |
1285 | } |
1286 | ||
23b0c478 SP |
1287 | /* |
1288 | * Parse environment variable 'k' as a boolean (in various | |
1289 | * possible spellings); if missing, use the default value 'def'. | |
1290 | */ | |
0ef37164 | 1291 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1292 | { |
1293 | const char *v = getenv(k); | |
1294 | return v ? git_config_bool(k, v) : def; | |
1295 | } | |
1296 | ||
23b0c478 SP |
1297 | /* |
1298 | * Parse environment variable 'k' as ulong with possibly a unit | |
1299 | * suffix; if missing, use the default value 'val'. | |
1300 | */ | |
1301 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1302 | { | |
1303 | const char *v = getenv(k); | |
1304 | if (v && !git_parse_ulong(v, &val)) | |
1305 | die("failed to parse %s", k); | |
1306 | return val; | |
1307 | } | |
1308 | ||
ab88c363 JK |
1309 | int git_config_system(void) |
1310 | { | |
1311 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1312 | } | |
1313 | ||
80181868 | 1314 | static int do_git_config_sequence(config_fn_t fn, void *data) |
4f629539 | 1315 | { |
c72ee44b | 1316 | int ret = 0; |
509adc33 PT |
1317 | char *xdg_config = xdg_config_home("config"); |
1318 | char *user_config = expand_user_path("~/.gitconfig"); | |
b9605bc4 | 1319 | char *repo_config = have_git_dir() ? git_pathdup("config") : NULL; |
5f1a63e0 | 1320 | |
9acc5911 | 1321 | current_parsing_scope = CONFIG_SCOPE_SYSTEM; |
c72ee44b | 1322 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) |
dc871831 DB |
1323 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1324 | data); | |
5f1a63e0 | 1325 | |
9acc5911 | 1326 | current_parsing_scope = CONFIG_SCOPE_GLOBAL; |
c72ee44b | 1327 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1328 | ret += git_config_from_file(fn, xdg_config, data); |
21cf3227 | 1329 | |
c72ee44b | 1330 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1331 | ret += git_config_from_file(fn, user_config, data); |
5f1a63e0 | 1332 | |
9acc5911 | 1333 | current_parsing_scope = CONFIG_SCOPE_REPO; |
c72ee44b | 1334 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) |
aa387407 | 1335 | ret += git_config_from_file(fn, repo_config, data); |
8b1fa778 | 1336 | |
9acc5911 | 1337 | current_parsing_scope = CONFIG_SCOPE_CMDLINE; |
c72ee44b | 1338 | if (git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 1339 | die(_("unable to parse command-line config")); |
8b1fa778 | 1340 | |
9acc5911 | 1341 | current_parsing_scope = CONFIG_SCOPE_UNKNOWN; |
21cf3227 HKNN |
1342 | free(xdg_config); |
1343 | free(user_config); | |
80181868 | 1344 | free(repo_config); |
c72ee44b | 1345 | return ret; |
4f629539 JH |
1346 | } |
1347 | ||
c9b5e2a5 | 1348 | int git_config_with_options(config_fn_t fn, void *data, |
c8985ce0 | 1349 | struct git_config_source *config_source, |
1bc88819 | 1350 | int respect_includes) |
dbdf5854 | 1351 | { |
9b25a0b5 JK |
1352 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1353 | ||
1354 | if (respect_includes) { | |
1355 | inc.fn = fn; | |
1356 | inc.data = data; | |
1357 | fn = git_config_include; | |
1358 | data = &inc; | |
1359 | } | |
dbdf5854 | 1360 | |
c9b5e2a5 JK |
1361 | /* |
1362 | * If we have a specific filename, use it. Otherwise, follow the | |
1363 | * regular lookup sequence. | |
1364 | */ | |
3caec73b KS |
1365 | if (config_source && config_source->use_stdin) |
1366 | return git_config_from_stdin(fn, data); | |
1367 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1368 | return git_config_from_file(fn, config_source->file, data); |
1369 | else if (config_source && config_source->blob) | |
1370 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1371 | |
80181868 | 1372 | return do_git_config_sequence(fn, data); |
dbdf5854 NTND |
1373 | } |
1374 | ||
155ef25f | 1375 | static void git_config_raw(config_fn_t fn, void *data) |
c9b5e2a5 | 1376 | { |
aace4385 TA |
1377 | if (git_config_with_options(fn, data, NULL, 1) < 0) |
1378 | /* | |
1379 | * git_config_with_options() normally returns only | |
c72ee44b | 1380 | * zero, as most errors are fatal, and |
aace4385 TA |
1381 | * non-fatal potential errors are guarded by "if" |
1382 | * statements that are entered only when no error is | |
1383 | * possible. | |
1384 | * | |
1385 | * If we ever encounter a non-fatal error, it means | |
1386 | * something went really wrong and we should stop | |
1387 | * immediately. | |
1388 | */ | |
3a39f61e | 1389 | die(_("unknown error occurred while reading the configuration files")); |
c9b5e2a5 JK |
1390 | } |
1391 | ||
155ef25f | 1392 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1393 | { |
155ef25f TA |
1394 | int i, value_index; |
1395 | struct string_list *values; | |
1396 | struct config_set_element *entry; | |
1397 | struct configset_list *list = &cs->list; | |
155ef25f TA |
1398 | |
1399 | for (i = 0; i < list->nr; i++) { | |
1400 | entry = list->items[i].e; | |
1401 | value_index = list->items[i].value_index; | |
1402 | values = &entry->value_list; | |
0d44a2da JK |
1403 | |
1404 | current_config_kvi = values->items[value_index].util; | |
1405 | ||
1406 | if (fn(entry->key, values->items[value_index].string, data) < 0) | |
1407 | git_die_config_linenr(entry->key, | |
1408 | current_config_kvi->filename, | |
1409 | current_config_kvi->linenr); | |
1410 | ||
1411 | current_config_kvi = NULL; | |
155ef25f TA |
1412 | } |
1413 | } | |
1414 | ||
1415 | static void git_config_check_init(void); | |
1416 | ||
1417 | void git_config(config_fn_t fn, void *data) | |
1418 | { | |
1419 | git_config_check_init(); | |
1420 | configset_iter(&the_config_set, fn, data); | |
c9b5e2a5 JK |
1421 | } |
1422 | ||
3c8687a7 TA |
1423 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
1424 | { | |
1425 | struct config_set_element k; | |
1426 | struct config_set_element *found_entry; | |
1427 | char *normalized_key; | |
3c8687a7 TA |
1428 | /* |
1429 | * `key` may come from the user, so normalize it before using it | |
1430 | * for querying entries from the hashmap. | |
1431 | */ | |
270cd9ea | 1432 | if (git_config_parse_key(key, &normalized_key, NULL)) |
3c8687a7 TA |
1433 | return NULL; |
1434 | ||
1435 | hashmap_entry_init(&k, strhash(normalized_key)); | |
1436 | k.key = normalized_key; | |
1437 | found_entry = hashmap_get(&cs->config_hash, &k, NULL); | |
1438 | free(normalized_key); | |
1439 | return found_entry; | |
1440 | } | |
1441 | ||
1442 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
1443 | { | |
1444 | struct config_set_element *e; | |
3df8fd62 | 1445 | struct string_list_item *si; |
155ef25f | 1446 | struct configset_list_item *l_item; |
3df8fd62 TA |
1447 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
1448 | ||
3c8687a7 TA |
1449 | e = configset_find_element(cs, key); |
1450 | /* | |
1451 | * Since the keys are being fed by git_config*() callback mechanism, they | |
1452 | * are already normalized. So simply add them without any further munging. | |
1453 | */ | |
1454 | if (!e) { | |
1455 | e = xmalloc(sizeof(*e)); | |
1456 | hashmap_entry_init(e, strhash(key)); | |
1457 | e->key = xstrdup(key); | |
1458 | string_list_init(&e->value_list, 1); | |
1459 | hashmap_add(&cs->config_hash, e); | |
1460 | } | |
8c53f071 | 1461 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
1462 | |
1463 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
1464 | l_item = &cs->list.items[cs->list.nr++]; | |
1465 | l_item->e = e; | |
1466 | l_item->value_index = e->value_list.nr - 1; | |
1467 | ||
3258258f JK |
1468 | if (!cf) |
1469 | die("BUG: configset_add_value has no source"); | |
1470 | if (cf->name) { | |
3df8fd62 TA |
1471 | kv_info->filename = strintern(cf->name); |
1472 | kv_info->linenr = cf->linenr; | |
1b8132d9 | 1473 | kv_info->origin_type = cf->origin_type; |
3df8fd62 TA |
1474 | } else { |
1475 | /* for values read from `git_config_from_parameters()` */ | |
1476 | kv_info->filename = NULL; | |
1477 | kv_info->linenr = -1; | |
1b8132d9 | 1478 | kv_info->origin_type = CONFIG_ORIGIN_CMDLINE; |
3df8fd62 | 1479 | } |
9acc5911 | 1480 | kv_info->scope = current_parsing_scope; |
3df8fd62 | 1481 | si->util = kv_info; |
3c8687a7 TA |
1482 | |
1483 | return 0; | |
1484 | } | |
1485 | ||
1486 | static int config_set_element_cmp(const struct config_set_element *e1, | |
1487 | const struct config_set_element *e2, const void *unused) | |
1488 | { | |
1489 | return strcmp(e1->key, e2->key); | |
1490 | } | |
1491 | ||
1492 | void git_configset_init(struct config_set *cs) | |
1493 | { | |
1494 | hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 0); | |
1495 | cs->hash_initialized = 1; | |
155ef25f TA |
1496 | cs->list.nr = 0; |
1497 | cs->list.alloc = 0; | |
1498 | cs->list.items = NULL; | |
3c8687a7 TA |
1499 | } |
1500 | ||
1501 | void git_configset_clear(struct config_set *cs) | |
1502 | { | |
1503 | struct config_set_element *entry; | |
1504 | struct hashmap_iter iter; | |
1505 | if (!cs->hash_initialized) | |
1506 | return; | |
1507 | ||
1508 | hashmap_iter_init(&cs->config_hash, &iter); | |
1509 | while ((entry = hashmap_iter_next(&iter))) { | |
1510 | free(entry->key); | |
3df8fd62 | 1511 | string_list_clear(&entry->value_list, 1); |
3c8687a7 TA |
1512 | } |
1513 | hashmap_free(&cs->config_hash, 1); | |
1514 | cs->hash_initialized = 0; | |
155ef25f TA |
1515 | free(cs->list.items); |
1516 | cs->list.nr = 0; | |
1517 | cs->list.alloc = 0; | |
1518 | cs->list.items = NULL; | |
3c8687a7 TA |
1519 | } |
1520 | ||
1521 | static int config_set_callback(const char *key, const char *value, void *cb) | |
1522 | { | |
1523 | struct config_set *cs = cb; | |
1524 | configset_add_value(cs, key, value); | |
1525 | return 0; | |
1526 | } | |
1527 | ||
1528 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
1529 | { | |
1530 | return git_config_from_file(config_set_callback, filename, cs); | |
1531 | } | |
1532 | ||
1533 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
1534 | { | |
1535 | const struct string_list *values = NULL; | |
1536 | /* | |
1537 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
1538 | * queried key in the files of the configset, the value returned will be the last | |
1539 | * value in the value list for that key. | |
1540 | */ | |
1541 | values = git_configset_get_value_multi(cs, key); | |
1542 | ||
1543 | if (!values) | |
1544 | return 1; | |
1545 | assert(values->nr > 0); | |
1546 | *value = values->items[values->nr - 1].string; | |
1547 | return 0; | |
1548 | } | |
1549 | ||
1550 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
1551 | { | |
1552 | struct config_set_element *e = configset_find_element(cs, key); | |
1553 | return e ? &e->value_list : NULL; | |
1554 | } | |
1555 | ||
1556 | int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest) | |
1557 | { | |
1558 | const char *value; | |
1559 | if (!git_configset_get_value(cs, key, &value)) | |
1560 | return git_config_string(dest, key, value); | |
1561 | else | |
1562 | return 1; | |
1563 | } | |
1564 | ||
1565 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) | |
1566 | { | |
1567 | return git_configset_get_string_const(cs, key, (const char **)dest); | |
1568 | } | |
1569 | ||
1570 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
1571 | { | |
1572 | const char *value; | |
1573 | if (!git_configset_get_value(cs, key, &value)) { | |
1574 | *dest = git_config_int(key, value); | |
1575 | return 0; | |
1576 | } else | |
1577 | return 1; | |
1578 | } | |
1579 | ||
1580 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
1581 | { | |
1582 | const char *value; | |
1583 | if (!git_configset_get_value(cs, key, &value)) { | |
1584 | *dest = git_config_ulong(key, value); | |
1585 | return 0; | |
1586 | } else | |
1587 | return 1; | |
1588 | } | |
1589 | ||
1590 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
1591 | { | |
1592 | const char *value; | |
1593 | if (!git_configset_get_value(cs, key, &value)) { | |
1594 | *dest = git_config_bool(key, value); | |
1595 | return 0; | |
1596 | } else | |
1597 | return 1; | |
1598 | } | |
1599 | ||
1600 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
1601 | int *is_bool, int *dest) | |
1602 | { | |
1603 | const char *value; | |
1604 | if (!git_configset_get_value(cs, key, &value)) { | |
1605 | *dest = git_config_bool_or_int(key, value, is_bool); | |
1606 | return 0; | |
1607 | } else | |
1608 | return 1; | |
1609 | } | |
1610 | ||
1611 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
1612 | { | |
1613 | const char *value; | |
1614 | if (!git_configset_get_value(cs, key, &value)) { | |
1615 | *dest = git_config_maybe_bool(key, value); | |
1616 | if (*dest == -1) | |
1617 | return -1; | |
1618 | return 0; | |
1619 | } else | |
1620 | return 1; | |
1621 | } | |
1622 | ||
1623 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
1624 | { | |
1625 | const char *value; | |
1626 | if (!git_configset_get_value(cs, key, &value)) | |
1627 | return git_config_pathname(dest, key, value); | |
1628 | else | |
1629 | return 1; | |
1630 | } | |
1631 | ||
1632 | static void git_config_check_init(void) | |
1633 | { | |
1634 | if (the_config_set.hash_initialized) | |
1635 | return; | |
1636 | git_configset_init(&the_config_set); | |
155ef25f | 1637 | git_config_raw(config_set_callback, &the_config_set); |
3c8687a7 TA |
1638 | } |
1639 | ||
1640 | void git_config_clear(void) | |
1641 | { | |
1642 | if (!the_config_set.hash_initialized) | |
1643 | return; | |
1644 | git_configset_clear(&the_config_set); | |
1645 | } | |
1646 | ||
1647 | int git_config_get_value(const char *key, const char **value) | |
1648 | { | |
1649 | git_config_check_init(); | |
1650 | return git_configset_get_value(&the_config_set, key, value); | |
1651 | } | |
1652 | ||
1653 | const struct string_list *git_config_get_value_multi(const char *key) | |
1654 | { | |
1655 | git_config_check_init(); | |
1656 | return git_configset_get_value_multi(&the_config_set, key); | |
1657 | } | |
1658 | ||
1659 | int git_config_get_string_const(const char *key, const char **dest) | |
1660 | { | |
5a80e97c | 1661 | int ret; |
3c8687a7 | 1662 | git_config_check_init(); |
5a80e97c TA |
1663 | ret = git_configset_get_string_const(&the_config_set, key, dest); |
1664 | if (ret < 0) | |
1665 | git_die_config(key, NULL); | |
1666 | return ret; | |
3c8687a7 TA |
1667 | } |
1668 | ||
1669 | int git_config_get_string(const char *key, char **dest) | |
1670 | { | |
1671 | git_config_check_init(); | |
1672 | return git_config_get_string_const(key, (const char **)dest); | |
1673 | } | |
1674 | ||
1675 | int git_config_get_int(const char *key, int *dest) | |
1676 | { | |
1677 | git_config_check_init(); | |
1678 | return git_configset_get_int(&the_config_set, key, dest); | |
1679 | } | |
1680 | ||
1681 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
1682 | { | |
1683 | git_config_check_init(); | |
1684 | return git_configset_get_ulong(&the_config_set, key, dest); | |
1685 | } | |
1686 | ||
1687 | int git_config_get_bool(const char *key, int *dest) | |
1688 | { | |
1689 | git_config_check_init(); | |
1690 | return git_configset_get_bool(&the_config_set, key, dest); | |
1691 | } | |
1692 | ||
1693 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
1694 | { | |
1695 | git_config_check_init(); | |
1696 | return git_configset_get_bool_or_int(&the_config_set, key, is_bool, dest); | |
1697 | } | |
1698 | ||
1699 | int git_config_get_maybe_bool(const char *key, int *dest) | |
1700 | { | |
1701 | git_config_check_init(); | |
1702 | return git_configset_get_maybe_bool(&the_config_set, key, dest); | |
1703 | } | |
1704 | ||
1705 | int git_config_get_pathname(const char *key, const char **dest) | |
1706 | { | |
5a80e97c | 1707 | int ret; |
3c8687a7 | 1708 | git_config_check_init(); |
5a80e97c TA |
1709 | ret = git_configset_get_pathname(&the_config_set, key, dest); |
1710 | if (ret < 0) | |
1711 | git_die_config(key, NULL); | |
1712 | return ret; | |
1713 | } | |
1714 | ||
435ec090 CC |
1715 | int git_config_get_untracked_cache(void) |
1716 | { | |
1717 | int val = -1; | |
1718 | const char *v; | |
1719 | ||
dae6c322 CC |
1720 | /* Hack for test programs like test-dump-untracked-cache */ |
1721 | if (ignore_untracked_cache_config) | |
1722 | return -1; | |
1723 | ||
435ec090 CC |
1724 | if (!git_config_get_maybe_bool("core.untrackedcache", &val)) |
1725 | return val; | |
1726 | ||
1727 | if (!git_config_get_value("core.untrackedcache", &v)) { | |
1728 | if (!strcasecmp(v, "keep")) | |
1729 | return -1; | |
1730 | ||
1731 | error("unknown core.untrackedCache value '%s'; " | |
1732 | "using 'keep' default value", v); | |
1733 | return -1; | |
1734 | } | |
1735 | ||
1736 | return -1; /* default value */ | |
1737 | } | |
1738 | ||
5a80e97c TA |
1739 | NORETURN |
1740 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
1741 | { | |
1742 | if (!filename) | |
1743 | die(_("unable to parse '%s' from command-line config"), key); | |
1744 | else | |
1745 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
1746 | key, filename, linenr); | |
1747 | } | |
1748 | ||
1749 | NORETURN __attribute__((format(printf, 2, 3))) | |
1750 | void git_die_config(const char *key, const char *err, ...) | |
1751 | { | |
1752 | const struct string_list *values; | |
1753 | struct key_value_info *kv_info; | |
1754 | ||
1755 | if (err) { | |
1756 | va_list params; | |
1757 | va_start(params, err); | |
1758 | vreportf("error: ", err, params); | |
1759 | va_end(params); | |
1760 | } | |
1761 | values = git_config_get_value_multi(key); | |
1762 | kv_info = values->items[values->nr - 1].util; | |
1763 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
1764 | } |
1765 | ||
10bea152 JS |
1766 | /* |
1767 | * Find all the stuff for git_config_set() below. | |
1768 | */ | |
4ddba79d | 1769 | |
10bea152 JS |
1770 | static struct { |
1771 | int baselen; | |
4b25d091 | 1772 | char *key; |
f98d863d | 1773 | int do_not_match; |
4b25d091 | 1774 | regex_t *value_regex; |
4ddba79d | 1775 | int multi_replace; |
83786fa4 TR |
1776 | size_t *offset; |
1777 | unsigned int offset_alloc; | |
10bea152 JS |
1778 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
1779 | int seen; | |
1780 | } store; | |
1781 | ||
4b25d091 | 1782 | static int matches(const char *key, const char *value) |
f98d863d | 1783 | { |
c1063be2 JK |
1784 | if (strcmp(key, store.key)) |
1785 | return 0; /* not ours */ | |
1786 | if (!store.value_regex) | |
1787 | return 1; /* always matches */ | |
1788 | if (store.value_regex == CONFIG_REGEX_NONE) | |
1789 | return 0; /* never matches */ | |
1790 | ||
1791 | return store.do_not_match ^ | |
1792 | (value && !regexec(store.value_regex, value, 0, NULL, 0)); | |
f98d863d JS |
1793 | } |
1794 | ||
4b25d091 | 1795 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 1796 | { |
ae9ee41d JH |
1797 | const char *ep; |
1798 | size_t section_len; | |
1799 | ||
10bea152 JS |
1800 | switch (store.state) { |
1801 | case KEY_SEEN: | |
f98d863d | 1802 | if (matches(key, value)) { |
4ddba79d | 1803 | if (store.seen == 1 && store.multi_replace == 0) { |
8262aaa2 | 1804 | warning(_("%s has multiple values"), key); |
10bea152 | 1805 | } |
4ddba79d | 1806 | |
83786fa4 TR |
1807 | ALLOC_GROW(store.offset, store.seen + 1, |
1808 | store.offset_alloc); | |
1809 | ||
49d6cfa5 | 1810 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1811 | store.seen++; |
1812 | } | |
1813 | break; | |
1814 | case SECTION_SEEN: | |
ae9ee41d JH |
1815 | /* |
1816 | * What we are looking for is in store.key (both | |
1817 | * section and var), and its section part is baselen | |
1818 | * long. We found key (again, both section and var). | |
1819 | * We would want to know if this key is in the same | |
1820 | * section as what we are looking for. We already | |
1821 | * know we are in the same section as what should | |
1822 | * hold store.key. | |
1823 | */ | |
1824 | ep = strrchr(key, '.'); | |
1825 | section_len = ep - key; | |
1826 | ||
1827 | if ((section_len != store.baselen) || | |
1828 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
1829 | store.state = SECTION_END_SEEN; |
1830 | break; | |
ae9ee41d JH |
1831 | } |
1832 | ||
1833 | /* | |
1834 | * Do not increment matches: this is no match, but we | |
1835 | * just made sure we are in the desired section. | |
1836 | */ | |
83786fa4 TR |
1837 | ALLOC_GROW(store.offset, store.seen + 1, |
1838 | store.offset_alloc); | |
49d6cfa5 | 1839 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1840 | /* fallthru */ |
1841 | case SECTION_END_SEEN: | |
1842 | case START: | |
f98d863d | 1843 | if (matches(key, value)) { |
83786fa4 TR |
1844 | ALLOC_GROW(store.offset, store.seen + 1, |
1845 | store.offset_alloc); | |
49d6cfa5 | 1846 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1847 | store.state = KEY_SEEN; |
1848 | store.seen++; | |
d14f7764 LT |
1849 | } else { |
1850 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 1851 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 1852 | store.state = SECTION_SEEN; |
83786fa4 TR |
1853 | ALLOC_GROW(store.offset, |
1854 | store.seen + 1, | |
1855 | store.offset_alloc); | |
49d6cfa5 | 1856 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 1857 | } |
bdf0ef08 | 1858 | } |
10bea152 JS |
1859 | } |
1860 | return 0; | |
1861 | } | |
1862 | ||
64c0d71c | 1863 | static int write_error(const char *filename) |
480c9e52 | 1864 | { |
64c0d71c | 1865 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
1866 | |
1867 | /* Same error code as "failed to rename". */ | |
1868 | return 4; | |
1869 | } | |
1870 | ||
4b25d091 | 1871 | static int store_write_section(int fd, const char *key) |
10bea152 | 1872 | { |
cb891a59 KH |
1873 | const char *dot; |
1874 | int i, success; | |
f285a2d7 | 1875 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 1876 | |
cb891a59 | 1877 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 1878 | if (dot) { |
cb891a59 KH |
1879 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
1880 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 1881 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
1882 | strbuf_addch(&sb, '\\'); |
1883 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 1884 | } |
cb891a59 KH |
1885 | strbuf_addstr(&sb, "\"]\n"); |
1886 | } else { | |
1887 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
1888 | } |
1889 | ||
cb891a59 KH |
1890 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
1891 | strbuf_release(&sb); | |
480c9e52 | 1892 | |
cb891a59 | 1893 | return success; |
10bea152 JS |
1894 | } |
1895 | ||
4b25d091 | 1896 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 1897 | { |
cb891a59 KH |
1898 | int i, success; |
1899 | int length = strlen(key + store.baselen + 1); | |
1900 | const char *quote = ""; | |
f285a2d7 | 1901 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 1902 | |
6281f394 JM |
1903 | /* |
1904 | * Check to see if the value needs to be surrounded with a dq pair. | |
1905 | * Note that problematic characters are always backslash-quoted; this | |
1906 | * check is about not losing leading or trailing SP and strings that | |
1907 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
1908 | * configuration parser. | |
1909 | */ | |
cdd4fb15 | 1910 | if (value[0] == ' ') |
cb891a59 | 1911 | quote = "\""; |
cdd4fb15 BG |
1912 | for (i = 0; value[i]; i++) |
1913 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
1914 | quote = "\""; |
1915 | if (i && value[i - 1] == ' ') | |
1916 | quote = "\""; | |
1917 | ||
cb891a59 KH |
1918 | strbuf_addf(&sb, "\t%.*s = %s", |
1919 | length, key + store.baselen + 1, quote); | |
10bea152 | 1920 | |
10bea152 JS |
1921 | for (i = 0; value[i]; i++) |
1922 | switch (value[i]) { | |
480c9e52 | 1923 | case '\n': |
cb891a59 | 1924 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
1925 | break; |
1926 | case '\t': | |
cb891a59 | 1927 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
1928 | break; |
1929 | case '"': | |
1930 | case '\\': | |
cb891a59 | 1931 | strbuf_addch(&sb, '\\'); |
480c9e52 | 1932 | default: |
cb891a59 | 1933 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
1934 | break; |
1935 | } | |
cb891a59 KH |
1936 | strbuf_addf(&sb, "%s\n", quote); |
1937 | ||
1938 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
1939 | strbuf_release(&sb); | |
1940 | ||
1941 | return success; | |
10bea152 JS |
1942 | } |
1943 | ||
4b25d091 FC |
1944 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
1945 | size_t offset_, int *found_bracket) | |
4ddba79d | 1946 | { |
dc49cd76 SP |
1947 | size_t equal_offset = size, bracket_offset = size; |
1948 | ssize_t offset; | |
4ddba79d | 1949 | |
7a31cc0f | 1950 | contline: |
a6080a0a | 1951 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
1952 | && contents[offset] != '\n'; offset--) |
1953 | switch (contents[offset]) { | |
1954 | case '=': equal_offset = offset; break; | |
1955 | case ']': bracket_offset = offset; break; | |
1956 | } | |
7a31cc0f FL |
1957 | if (offset > 0 && contents[offset-1] == '\\') { |
1958 | offset_ = offset; | |
1959 | goto contline; | |
1960 | } | |
4ddba79d JS |
1961 | if (bracket_offset < equal_offset) { |
1962 | *found_bracket = 1; | |
1963 | offset = bracket_offset+1; | |
1964 | } else | |
1965 | offset++; | |
1966 | ||
1967 | return offset; | |
1968 | } | |
1969 | ||
30598ad0 PS |
1970 | int git_config_set_in_file_gently(const char *config_filename, |
1971 | const char *key, const char *value) | |
5ec31182 | 1972 | { |
30598ad0 | 1973 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
1974 | } |
1975 | ||
3d180648 PS |
1976 | void git_config_set_in_file(const char *config_filename, |
1977 | const char *key, const char *value) | |
10bea152 | 1978 | { |
3d180648 | 1979 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
1980 | } |
1981 | ||
30598ad0 | 1982 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 1983 | { |
30598ad0 | 1984 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
1985 | } |
1986 | ||
3d180648 | 1987 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 1988 | { |
3d180648 | 1989 | git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
1990 | } |
1991 | ||
b09c53a3 LP |
1992 | /* |
1993 | * Auxiliary function to sanity-check and split the key into the section | |
1994 | * identifier and variable name. | |
1995 | * | |
1996 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
1997 | * -2 if there is no section name in the key. | |
1998 | * | |
1999 | * store_key - pointer to char* which will hold a copy of the key with | |
2000 | * lowercase section and variable name | |
2001 | * baselen - pointer to int which will hold the length of the | |
2002 | * section + subsection part, can be NULL | |
2003 | */ | |
9e9de18f | 2004 | static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet) |
b09c53a3 LP |
2005 | { |
2006 | int i, dot, baselen; | |
2007 | const char *last_dot = strrchr(key, '.'); | |
2008 | ||
2009 | /* | |
2010 | * Since "key" actually contains the section name and the real | |
2011 | * key name separated by a dot, we have to know where the dot is. | |
2012 | */ | |
2013 | ||
2169ddc0 | 2014 | if (last_dot == NULL || last_dot == key) { |
9e9de18f JK |
2015 | if (!quiet) |
2016 | error("key does not contain a section: %s", key); | |
7a397419 | 2017 | return -CONFIG_NO_SECTION_OR_NAME; |
b09c53a3 LP |
2018 | } |
2019 | ||
2169ddc0 | 2020 | if (!last_dot[1]) { |
9e9de18f JK |
2021 | if (!quiet) |
2022 | error("key does not contain variable name: %s", key); | |
7a397419 | 2023 | return -CONFIG_NO_SECTION_OR_NAME; |
2169ddc0 LP |
2024 | } |
2025 | ||
b09c53a3 LP |
2026 | baselen = last_dot - key; |
2027 | if (baselen_) | |
2028 | *baselen_ = baselen; | |
2029 | ||
2030 | /* | |
2031 | * Validate the key and while at it, lower case it for matching. | |
2032 | */ | |
9e9de18f | 2033 | if (store_key) |
3733e694 | 2034 | *store_key = xmallocz(strlen(key)); |
b09c53a3 LP |
2035 | |
2036 | dot = 0; | |
2037 | for (i = 0; key[i]; i++) { | |
2038 | unsigned char c = key[i]; | |
2039 | if (c == '.') | |
2040 | dot = 1; | |
2041 | /* Leave the extended basename untouched.. */ | |
2042 | if (!dot || i > baselen) { | |
2043 | if (!iskeychar(c) || | |
2044 | (i == baselen + 1 && !isalpha(c))) { | |
9e9de18f JK |
2045 | if (!quiet) |
2046 | error("invalid key: %s", key); | |
b09c53a3 LP |
2047 | goto out_free_ret_1; |
2048 | } | |
2049 | c = tolower(c); | |
2050 | } else if (c == '\n') { | |
9e9de18f JK |
2051 | if (!quiet) |
2052 | error("invalid key (newline): %s", key); | |
b09c53a3 LP |
2053 | goto out_free_ret_1; |
2054 | } | |
9e9de18f JK |
2055 | if (store_key) |
2056 | (*store_key)[i] = c; | |
b09c53a3 | 2057 | } |
b09c53a3 LP |
2058 | |
2059 | return 0; | |
2060 | ||
2061 | out_free_ret_1: | |
9e9de18f JK |
2062 | if (store_key) { |
2063 | free(*store_key); | |
2064 | *store_key = NULL; | |
2065 | } | |
7a397419 | 2066 | return -CONFIG_INVALID_KEY; |
b09c53a3 LP |
2067 | } |
2068 | ||
9e9de18f JK |
2069 | int git_config_parse_key(const char *key, char **store_key, int *baselen) |
2070 | { | |
2071 | return git_config_parse_key_1(key, store_key, baselen, 0); | |
2072 | } | |
2073 | ||
2074 | int git_config_key_is_valid(const char *key) | |
2075 | { | |
2076 | return !git_config_parse_key_1(key, NULL, NULL, 1); | |
2077 | } | |
2078 | ||
10bea152 JS |
2079 | /* |
2080 | * If value==NULL, unset in (remove from) config, | |
2081 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
c1063be2 JK |
2082 | * if value_regex==CONFIG_REGEX_NONE, do not match any existing values |
2083 | * (only add a new one) | |
4ddba79d JS |
2084 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
2085 | * else all matching key/values (regardless how many) are removed, | |
2086 | * before the new pair is written. | |
10bea152 JS |
2087 | * |
2088 | * Returns 0 on success. | |
2089 | * | |
2090 | * This function does this: | |
2091 | * | |
2092 | * - it locks the config file by creating ".git/config.lock" | |
2093 | * | |
2094 | * - it then parses the config using store_aux() as validator to find | |
2095 | * the position on the key/value pair to replace. If it is to be unset, | |
2096 | * it must be found exactly once. | |
2097 | * | |
2098 | * - the config file is mmap()ed and the part before the match (if any) is | |
2099 | * written to the lock file, then the changed part and the rest. | |
2100 | * | |
2101 | * - the config file is removed and the lock file rename()d to it. | |
2102 | * | |
2103 | */ | |
30598ad0 PS |
2104 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
2105 | const char *key, const char *value, | |
2106 | const char *value_regex, | |
2107 | int multi_replace) | |
10bea152 | 2108 | { |
54d160ec | 2109 | int fd = -1, in_fd = -1; |
dafc88b1 | 2110 | int ret; |
6cbf973c | 2111 | struct lock_file *lock = NULL; |
0a5f5759 | 2112 | char *filename_buf = NULL; |
3a1b3126 JK |
2113 | char *contents = NULL; |
2114 | size_t contents_sz; | |
4ddba79d | 2115 | |
b09c53a3 LP |
2116 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
2117 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
2118 | if (ret) | |
dafc88b1 | 2119 | goto out_free; |
b17e659d JS |
2120 | |
2121 | store.multi_replace = multi_replace; | |
10bea152 | 2122 | |
0a5f5759 JK |
2123 | if (!config_filename) |
2124 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
2125 | |
2126 | /* | |
6cbf973c | 2127 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
2128 | * contents of .git/config will be written into it. |
2129 | */ | |
f1064f6b | 2130 | lock = xcalloc(1, sizeof(struct lock_file)); |
6cbf973c BS |
2131 | fd = hold_lock_file_for_update(lock, config_filename, 0); |
2132 | if (fd < 0) { | |
f0658ec9 | 2133 | error_errno("could not lock config file %s", config_filename); |
10bea152 | 2134 | free(store.key); |
7a397419 | 2135 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 2136 | goto out_free; |
10bea152 JS |
2137 | } |
2138 | ||
2139 | /* | |
2140 | * If .git/config does not exist yet, write a minimal version. | |
2141 | */ | |
88fb958b AR |
2142 | in_fd = open(config_filename, O_RDONLY); |
2143 | if ( in_fd < 0 ) { | |
10bea152 JS |
2144 | free(store.key); |
2145 | ||
88fb958b | 2146 | if ( ENOENT != errno ) { |
f0658ec9 | 2147 | error_errno("opening %s", config_filename); |
7a397419 | 2148 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 2149 | goto out_free; |
88fb958b | 2150 | } |
10bea152 JS |
2151 | /* if nothing to unset, error out */ |
2152 | if (value == NULL) { | |
7a397419 | 2153 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2154 | goto out_free; |
10bea152 JS |
2155 | } |
2156 | ||
4b25d091 | 2157 | store.key = (char *)key; |
480c9e52 | 2158 | if (!store_write_section(fd, key) || |
93c1e079 JH |
2159 | !store_write_pair(fd, key, value)) |
2160 | goto write_err_out; | |
2161 | } else { | |
88fb958b | 2162 | struct stat st; |
3a1b3126 | 2163 | size_t copy_begin, copy_end; |
dc49cd76 | 2164 | int i, new_line = 0; |
10bea152 JS |
2165 | |
2166 | if (value_regex == NULL) | |
2167 | store.value_regex = NULL; | |
c1063be2 JK |
2168 | else if (value_regex == CONFIG_REGEX_NONE) |
2169 | store.value_regex = CONFIG_REGEX_NONE; | |
10bea152 | 2170 | else { |
f98d863d JS |
2171 | if (value_regex[0] == '!') { |
2172 | store.do_not_match = 1; | |
2173 | value_regex++; | |
2174 | } else | |
2175 | store.do_not_match = 0; | |
2176 | ||
2d7320d0 | 2177 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
2178 | if (regcomp(store.value_regex, value_regex, |
2179 | REG_EXTENDED)) { | |
64c0d71c | 2180 | error("invalid pattern: %s", value_regex); |
10bea152 | 2181 | free(store.value_regex); |
7a397419 | 2182 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2183 | goto out_free; |
10bea152 JS |
2184 | } |
2185 | } | |
2186 | ||
83786fa4 | 2187 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 2188 | store.offset[0] = 0; |
10bea152 JS |
2189 | store.state = START; |
2190 | store.seen = 0; | |
2191 | ||
2192 | /* | |
2193 | * After this, store.offset will contain the *end* offset | |
2194 | * of the last match, or remain at 0 if no match was found. | |
2195 | * As a side effect, we make sure to transform only a valid | |
2196 | * existing config file. | |
2197 | */ | |
ef90d6d4 | 2198 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 2199 | error("invalid config file %s", config_filename); |
10bea152 | 2200 | free(store.key); |
c1063be2 JK |
2201 | if (store.value_regex != NULL && |
2202 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2203 | regfree(store.value_regex); |
2204 | free(store.value_regex); | |
2205 | } | |
7a397419 | 2206 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 2207 | goto out_free; |
10bea152 JS |
2208 | } |
2209 | ||
2210 | free(store.key); | |
c1063be2 JK |
2211 | if (store.value_regex != NULL && |
2212 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2213 | regfree(store.value_regex); |
2214 | free(store.value_regex); | |
2215 | } | |
2216 | ||
4ddba79d JS |
2217 | /* if nothing to unset, or too many matches, error out */ |
2218 | if ((store.seen == 0 && value == NULL) || | |
2219 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 2220 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2221 | goto out_free; |
10bea152 JS |
2222 | } |
2223 | ||
29647d79 NTND |
2224 | if (fstat(in_fd, &st) == -1) { |
2225 | error_errno(_("fstat on %s failed"), config_filename); | |
2226 | ret = CONFIG_INVALID_FILE; | |
2227 | goto out_free; | |
2228 | } | |
2229 | ||
dc49cd76 | 2230 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
2231 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
2232 | MAP_PRIVATE, in_fd, 0); | |
2233 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
2234 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
2235 | errno = EISDIR; | |
f0658ec9 | 2236 | error_errno("unable to mmap '%s'", config_filename); |
1570856b JK |
2237 | ret = CONFIG_INVALID_FILE; |
2238 | contents = NULL; | |
2239 | goto out_free; | |
2240 | } | |
10bea152 | 2241 | close(in_fd); |
54d160ec | 2242 | in_fd = -1; |
10bea152 | 2243 | |
b4fb09e4 | 2244 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 | 2245 | error_errno("chmod on %s failed", get_lock_file_path(lock)); |
daa22c6f EW |
2246 | ret = CONFIG_NO_WRITE; |
2247 | goto out_free; | |
2248 | } | |
2249 | ||
4ddba79d JS |
2250 | if (store.seen == 0) |
2251 | store.seen = 1; | |
2252 | ||
2253 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
2254 | if (store.offset[i] == 0) { | |
dc49cd76 | 2255 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
2256 | } else if (store.state != KEY_SEEN) { |
2257 | copy_end = store.offset[i]; | |
10bea152 | 2258 | } else |
4ddba79d | 2259 | copy_end = find_beginning_of_line( |
dc49cd76 | 2260 | contents, contents_sz, |
4ddba79d JS |
2261 | store.offset[i]-2, &new_line); |
2262 | ||
02e5ba4a JK |
2263 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
2264 | new_line = 1; | |
2265 | ||
4ddba79d JS |
2266 | /* write the first part of the config */ |
2267 | if (copy_end > copy_begin) { | |
93c1e079 JH |
2268 | if (write_in_full(fd, contents + copy_begin, |
2269 | copy_end - copy_begin) < | |
2270 | copy_end - copy_begin) | |
2271 | goto write_err_out; | |
2272 | if (new_line && | |
2b7ca830 | 2273 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 2274 | goto write_err_out; |
4ddba79d JS |
2275 | } |
2276 | copy_begin = store.offset[i]; | |
10bea152 JS |
2277 | } |
2278 | ||
10bea152 JS |
2279 | /* write the pair (value == NULL means unset) */ |
2280 | if (value != NULL) { | |
93c1e079 JH |
2281 | if (store.state == START) { |
2282 | if (!store_write_section(fd, key)) | |
2283 | goto write_err_out; | |
480c9e52 | 2284 | } |
93c1e079 JH |
2285 | if (!store_write_pair(fd, key, value)) |
2286 | goto write_err_out; | |
10bea152 JS |
2287 | } |
2288 | ||
2289 | /* write the rest of the config */ | |
dc49cd76 | 2290 | if (copy_begin < contents_sz) |
93c1e079 | 2291 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
2292 | contents_sz - copy_begin) < |
2293 | contents_sz - copy_begin) | |
93c1e079 | 2294 | goto write_err_out; |
7a64592c KB |
2295 | |
2296 | munmap(contents, contents_sz); | |
2297 | contents = NULL; | |
10bea152 JS |
2298 | } |
2299 | ||
4ed7cd3a | 2300 | if (commit_lock_file(lock) < 0) { |
f0658ec9 | 2301 | error_errno("could not write config file %s", config_filename); |
7a397419 | 2302 | ret = CONFIG_NO_WRITE; |
e831855e | 2303 | lock = NULL; |
dafc88b1 | 2304 | goto out_free; |
10bea152 JS |
2305 | } |
2306 | ||
6cbf973c BS |
2307 | /* |
2308 | * lock is committed, so don't try to roll it back below. | |
2309 | * NOTE: Since lockfile.c keeps a linked list of all created | |
2310 | * lock_file structures, it isn't safe to free(lock). It's | |
2311 | * better to just leave it hanging around. | |
2312 | */ | |
2313 | lock = NULL; | |
dafc88b1 SH |
2314 | ret = 0; |
2315 | ||
3c8687a7 TA |
2316 | /* Invalidate the config cache */ |
2317 | git_config_clear(); | |
2318 | ||
dafc88b1 | 2319 | out_free: |
6cbf973c BS |
2320 | if (lock) |
2321 | rollback_lock_file(lock); | |
0a5f5759 | 2322 | free(filename_buf); |
3a1b3126 JK |
2323 | if (contents) |
2324 | munmap(contents, contents_sz); | |
54d160ec SS |
2325 | if (in_fd >= 0) |
2326 | close(in_fd); | |
dafc88b1 | 2327 | return ret; |
93c1e079 JH |
2328 | |
2329 | write_err_out: | |
b4fb09e4 | 2330 | ret = write_error(get_lock_file_path(lock)); |
93c1e079 JH |
2331 | goto out_free; |
2332 | ||
10bea152 JS |
2333 | } |
2334 | ||
3d180648 PS |
2335 | void git_config_set_multivar_in_file(const char *config_filename, |
2336 | const char *key, const char *value, | |
2337 | const char *value_regex, int multi_replace) | |
b4c8aba6 | 2338 | { |
1cae428e JK |
2339 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
2340 | value_regex, multi_replace)) | |
2341 | return; | |
2342 | if (value) | |
8c3ca351 | 2343 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
2344 | else |
2345 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
2346 | } |
2347 | ||
30598ad0 PS |
2348 | int git_config_set_multivar_gently(const char *key, const char *value, |
2349 | const char *value_regex, int multi_replace) | |
5ec31182 | 2350 | { |
30598ad0 PS |
2351 | return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex, |
2352 | multi_replace); | |
5ec31182 RR |
2353 | } |
2354 | ||
3d180648 PS |
2355 | void git_config_set_multivar(const char *key, const char *value, |
2356 | const char *value_regex, int multi_replace) | |
5ec31182 | 2357 | { |
3d180648 PS |
2358 | git_config_set_multivar_in_file(NULL, key, value, value_regex, |
2359 | multi_replace); | |
5ec31182 RR |
2360 | } |
2361 | ||
118f8b24 PB |
2362 | static int section_name_match (const char *buf, const char *name) |
2363 | { | |
2364 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
2365 | if (buf[i] != '[') |
2366 | return 0; | |
2367 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
2368 | if (!dot && isspace(buf[i])) { |
2369 | dot = 1; | |
2370 | if (name[j++] != '.') | |
2371 | break; | |
2372 | for (i++; isspace(buf[i]); i++) | |
2373 | ; /* do nothing */ | |
2374 | if (buf[i] != '"') | |
2375 | break; | |
2376 | continue; | |
2377 | } | |
2378 | if (buf[i] == '\\' && dot) | |
2379 | i++; | |
2380 | else if (buf[i] == '"' && dot) { | |
2381 | for (i++; isspace(buf[i]); i++) | |
2382 | ; /* do_nothing */ | |
2383 | break; | |
2384 | } | |
2385 | if (buf[i] != name[j++]) | |
2386 | break; | |
2387 | } | |
a4c0d463 AV |
2388 | if (buf[i] == ']' && name[j] == 0) { |
2389 | /* | |
2390 | * We match, now just find the right length offset by | |
2391 | * gobbling up any whitespace after it, as well | |
2392 | */ | |
2393 | i++; | |
2394 | for (; buf[i] && isspace(buf[i]); i++) | |
2395 | ; /* do nothing */ | |
2396 | return i; | |
2397 | } | |
2398 | return 0; | |
118f8b24 PB |
2399 | } |
2400 | ||
94a35b1a JK |
2401 | static int section_name_is_ok(const char *name) |
2402 | { | |
2403 | /* Empty section names are bogus. */ | |
2404 | if (!*name) | |
2405 | return 0; | |
2406 | ||
2407 | /* | |
2408 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
2409 | * anything goes, so we can stop checking. | |
2410 | */ | |
2411 | for (; *name && *name != '.'; name++) | |
2412 | if (*name != '-' && !isalnum(*name)) | |
2413 | return 0; | |
2414 | return 1; | |
2415 | } | |
2416 | ||
118f8b24 | 2417 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
2418 | int git_config_rename_section_in_file(const char *config_filename, |
2419 | const char *old_name, const char *new_name) | |
0667fcfb | 2420 | { |
118f8b24 | 2421 | int ret = 0, remove = 0; |
42bd39b5 | 2422 | char *filename_buf = NULL; |
94a35b1a | 2423 | struct lock_file *lock; |
0667fcfb JS |
2424 | int out_fd; |
2425 | char buf[1024]; | |
924aaf3e | 2426 | FILE *config_file; |
daa22c6f | 2427 | struct stat st; |
0667fcfb | 2428 | |
94a35b1a JK |
2429 | if (new_name && !section_name_is_ok(new_name)) { |
2430 | ret = error("invalid section name: %s", new_name); | |
c06fa62d | 2431 | goto out_no_rollback; |
94a35b1a JK |
2432 | } |
2433 | ||
42bd39b5 JK |
2434 | if (!config_filename) |
2435 | config_filename = filename_buf = git_pathdup("config"); | |
2436 | ||
f1064f6b | 2437 | lock = xcalloc(1, sizeof(struct lock_file)); |
0667fcfb | 2438 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 2439 | if (out_fd < 0) { |
64c0d71c | 2440 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
2441 | goto out; |
2442 | } | |
0667fcfb | 2443 | |
fc1905bb | 2444 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc | 2445 | /* no config file means nothing to rename, no error */ |
6e45b43f | 2446 | goto commit_and_out; |
fc1905bb | 2447 | } |
0667fcfb | 2448 | |
29647d79 NTND |
2449 | if (fstat(fileno(config_file), &st) == -1) { |
2450 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
2451 | goto out; | |
2452 | } | |
daa22c6f | 2453 | |
b4fb09e4 | 2454 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 NTND |
2455 | ret = error_errno("chmod on %s failed", |
2456 | get_lock_file_path(lock)); | |
daa22c6f EW |
2457 | goto out; |
2458 | } | |
2459 | ||
0667fcfb JS |
2460 | while (fgets(buf, sizeof(buf), config_file)) { |
2461 | int i; | |
480c9e52 | 2462 | int length; |
9a5abfc7 | 2463 | char *output = buf; |
0667fcfb JS |
2464 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
2465 | ; /* do nothing */ | |
2466 | if (buf[i] == '[') { | |
2467 | /* it's a section */ | |
a4c0d463 AV |
2468 | int offset = section_name_match(&buf[i], old_name); |
2469 | if (offset > 0) { | |
118f8b24 PB |
2470 | ret++; |
2471 | if (new_name == NULL) { | |
2472 | remove = 1; | |
0667fcfb JS |
2473 | continue; |
2474 | } | |
0667fcfb | 2475 | store.baselen = strlen(new_name); |
480c9e52 | 2476 | if (!store_write_section(out_fd, new_name)) { |
b4fb09e4 | 2477 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2478 | goto out; |
2479 | } | |
9a5abfc7 AV |
2480 | /* |
2481 | * We wrote out the new section, with | |
2482 | * a newline, now skip the old | |
2483 | * section's length | |
2484 | */ | |
2485 | output += offset + i; | |
2486 | if (strlen(output) > 0) { | |
2487 | /* | |
2488 | * More content means there's | |
2489 | * a declaration to put on the | |
2490 | * next line; indent with a | |
2491 | * tab | |
2492 | */ | |
2493 | output -= 1; | |
2494 | output[0] = '\t'; | |
2495 | } | |
0667fcfb | 2496 | } |
118f8b24 | 2497 | remove = 0; |
0667fcfb | 2498 | } |
118f8b24 PB |
2499 | if (remove) |
2500 | continue; | |
9a5abfc7 AV |
2501 | length = strlen(output); |
2502 | if (write_in_full(out_fd, output, length) != length) { | |
b4fb09e4 | 2503 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2504 | goto out; |
2505 | } | |
0667fcfb | 2506 | } |
fc1905bb | 2507 | fclose(config_file); |
6e45b43f | 2508 | commit_and_out: |
4ed7cd3a | 2509 | if (commit_lock_file(lock) < 0) |
f0658ec9 NTND |
2510 | ret = error_errno("could not write config file %s", |
2511 | config_filename); | |
8b590075 | 2512 | out: |
c06fa62d NTND |
2513 | rollback_lock_file(lock); |
2514 | out_no_rollback: | |
42bd39b5 | 2515 | free(filename_buf); |
0667fcfb JS |
2516 | return ret; |
2517 | } | |
40ea4ed9 | 2518 | |
42bd39b5 JK |
2519 | int git_config_rename_section(const char *old_name, const char *new_name) |
2520 | { | |
4a7bb5ba | 2521 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
2522 | } |
2523 | ||
40ea4ed9 JH |
2524 | /* |
2525 | * Call this to report error for your variable that should not | |
2526 | * get a boolean value (i.e. "[my] var" means "true"). | |
2527 | */ | |
a469a101 | 2528 | #undef config_error_nonbool |
40ea4ed9 JH |
2529 | int config_error_nonbool(const char *var) |
2530 | { | |
8c3ca351 | 2531 | return error("missing value for '%s'", var); |
40ea4ed9 | 2532 | } |
1b86bbb0 JK |
2533 | |
2534 | int parse_config_key(const char *var, | |
2535 | const char *section, | |
2536 | const char **subsection, int *subsection_len, | |
2537 | const char **key) | |
2538 | { | |
2539 | int section_len = strlen(section); | |
2540 | const char *dot; | |
2541 | ||
2542 | /* Does it start with "section." ? */ | |
59556548 | 2543 | if (!starts_with(var, section) || var[section_len] != '.') |
1b86bbb0 JK |
2544 | return -1; |
2545 | ||
2546 | /* | |
2547 | * Find the key; we don't know yet if we have a subsection, but we must | |
2548 | * parse backwards from the end, since the subsection may have dots in | |
2549 | * it, too. | |
2550 | */ | |
2551 | dot = strrchr(var, '.'); | |
2552 | *key = dot + 1; | |
2553 | ||
2554 | /* Did we have a subsection at all? */ | |
2555 | if (dot == var + section_len) { | |
2556 | *subsection = NULL; | |
2557 | *subsection_len = 0; | |
2558 | } | |
2559 | else { | |
2560 | *subsection = var + section_len + 1; | |
2561 | *subsection_len = dot - *subsection; | |
2562 | } | |
2563 | ||
2564 | return 0; | |
2565 | } | |
473166b9 LS |
2566 | |
2567 | const char *current_config_origin_type(void) | |
2568 | { | |
1b8132d9 | 2569 | int type; |
0d44a2da JK |
2570 | if (current_config_kvi) |
2571 | type = current_config_kvi->origin_type; | |
2572 | else if(cf) | |
2573 | type = cf->origin_type; | |
2574 | else | |
3258258f | 2575 | die("BUG: current_config_origin_type called outside config callback"); |
1b8132d9 VA |
2576 | |
2577 | switch (type) { | |
2578 | case CONFIG_ORIGIN_BLOB: | |
2579 | return "blob"; | |
2580 | case CONFIG_ORIGIN_FILE: | |
2581 | return "file"; | |
2582 | case CONFIG_ORIGIN_STDIN: | |
2583 | return "standard input"; | |
2584 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
2585 | return "submodule-blob"; | |
2586 | case CONFIG_ORIGIN_CMDLINE: | |
2587 | return "command line"; | |
2588 | default: | |
2589 | die("BUG: unknown config origin type"); | |
2590 | } | |
473166b9 LS |
2591 | } |
2592 | ||
2593 | const char *current_config_name(void) | |
2594 | { | |
0d44a2da JK |
2595 | const char *name; |
2596 | if (current_config_kvi) | |
2597 | name = current_config_kvi->filename; | |
2598 | else if (cf) | |
2599 | name = cf->name; | |
2600 | else | |
3258258f | 2601 | die("BUG: current_config_name called outside config callback"); |
0d44a2da | 2602 | return name ? name : ""; |
473166b9 | 2603 | } |
9acc5911 JK |
2604 | |
2605 | enum config_scope current_config_scope(void) | |
2606 | { | |
2607 | if (current_config_kvi) | |
2608 | return current_config_kvi->scope; | |
2609 | else | |
2610 | return current_parsing_scope; | |
473166b9 | 2611 | } |