add 'git credential' plumbing command
[git/git.git] / builtin / config.c
CommitLineData
e12c095a 1#include "builtin.h"
1b1e59c5 2#include "cache.h"
9ce03522 3#include "color.h"
d64ec16c 4#include "parse-options.h"
1b1e59c5 5
d64ec16c
FC
6static const char *const builtin_config_usage[] = {
7 "git config [options]",
8 NULL
9};
4ddba79d 10
96f1e58f
DR
11static char *key;
12static regex_t *key_regexp;
13static regex_t *regexp;
14static int show_keys;
15static int use_key_regexp;
16static int do_all;
17static int do_not_match;
18static int seen;
2275d502
FL
19static char delim = '=';
20static char key_delim = ' ';
21static char term = '\n';
4ddba79d 22
57210a67 23static int use_global_config, use_system_config, use_local_config;
d64ec16c 24static const char *given_config_file;
16c1e939 25static int actions, types;
d64ec16c
FC
26static const char *get_color_slot, *get_colorbool_slot;
27static int end_null;
9b25a0b5 28static int respect_includes = -1;
d64ec16c
FC
29
30#define ACTION_GET (1<<0)
31#define ACTION_GET_ALL (1<<1)
32#define ACTION_GET_REGEXP (1<<2)
33#define ACTION_REPLACE_ALL (1<<3)
34#define ACTION_ADD (1<<4)
35#define ACTION_UNSET (1<<5)
36#define ACTION_UNSET_ALL (1<<6)
37#define ACTION_RENAME_SECTION (1<<7)
38#define ACTION_REMOVE_SECTION (1<<8)
39#define ACTION_LIST (1<<9)
40#define ACTION_EDIT (1<<10)
41#define ACTION_SET (1<<11)
42#define ACTION_SET_ALL (1<<12)
43#define ACTION_GET_COLOR (1<<13)
44#define ACTION_GET_COLORBOOL (1<<14)
45
16c1e939
FC
46#define TYPE_BOOL (1<<0)
47#define TYPE_INT (1<<1)
48#define TYPE_BOOL_OR_INT (1<<2)
1349484e 49#define TYPE_PATH (1<<3)
16c1e939 50
d64ec16c
FC
51static struct option builtin_config_options[] = {
52 OPT_GROUP("Config file location"),
53 OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
54 OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
57210a67 55 OPT_BOOLEAN(0, "local", &use_local_config, "use repository config file"),
23c6a803 56 OPT_STRING('f', "file", &given_config_file, "file", "use given config file"),
d64ec16c
FC
57 OPT_GROUP("Action"),
58 OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
59 OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
60 OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
bf71b4b3 61 OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL),
d64ec16c
FC
62 OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
63 OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
64 OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
65 OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
66 OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
67 OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
68 OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
69 OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
70 OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
71 OPT_GROUP("Type"),
16c1e939
FC
72 OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
73 OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
ba048224 74 OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT),
1349484e 75 OPT_BIT(0, "path", &types, "value is a path (file or directory name)", TYPE_PATH),
d64ec16c
FC
76 OPT_GROUP("Other"),
77 OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
9b25a0b5 78 OPT_BOOL(0, "includes", &respect_includes, "respect include directives on lookup"),
d64ec16c
FC
79 OPT_END(),
80};
81
82static void check_argc(int argc, int min, int max) {
83 if (argc >= min && argc <= max)
84 return;
85 error("wrong number of arguments");
86 usage_with_options(builtin_config_usage, builtin_config_options);
87}
88
ef90d6d4 89static int show_all_config(const char *key_, const char *value_, void *cb)
de791f15
PB
90{
91 if (value_)
2275d502 92 printf("%s%c%s%c", key_, delim, value_, term);
de791f15 93 else
2275d502 94 printf("%s%c", key_, term);
de791f15
PB
95 return 0;
96}
97
4b951b7e 98static int show_config(const char *key_, const char *value_, void *cb)
4ddba79d 99{
e098c6f8
JH
100 char value[256];
101 const char *vptr = value;
1349484e 102 int must_free_vptr = 0;
8f5ff31f 103 int dup_error = 0;
008e3cc5 104 int must_print_delim = 0;
e098c6f8 105
8f5ff31f
JS
106 if (!use_key_regexp && strcmp(key_, key))
107 return 0;
108 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
109 return 0;
110 if (regexp != NULL &&
9e4bbeb9 111 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f
JS
112 return 0;
113
b69ba460 114 if (show_keys) {
008e3cc5
MM
115 printf("%s", key_);
116 must_print_delim = 1;
b69ba460 117 }
8f5ff31f
JS
118 if (seen && !do_all)
119 dup_error = 1;
16c1e939 120 if (types == TYPE_INT)
acb70149 121 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
16c1e939 122 else if (types == TYPE_BOOL)
8f5ff31f 123 vptr = git_config_bool(key_, value_) ? "true" : "false";
16c1e939 124 else if (types == TYPE_BOOL_OR_INT) {
c35b0b58
JH
125 int is_bool, v;
126 v = git_config_bool_or_int(key_, value_, &is_bool);
127 if (is_bool)
128 vptr = v ? "true" : "false";
129 else
130 sprintf(value, "%d", v);
1349484e
MM
131 } else if (types == TYPE_PATH) {
132 git_config_pathname(&vptr, key_, value_);
133 must_free_vptr = 1;
008e3cc5
MM
134 } else if (value_) {
135 vptr = value_;
136 } else {
137 /* Just show the key name */
138 vptr = "";
139 must_print_delim = 0;
c35b0b58 140 }
8f5ff31f
JS
141 seen++;
142 if (dup_error) {
143 error("More than one value for the key %s: %s",
144 key_, vptr);
4ddba79d 145 }
008e3cc5
MM
146 else {
147 if (must_print_delim)
148 printf("%c", key_delim);
2275d502 149 printf("%s%c", vptr, term);
008e3cc5 150 }
1349484e
MM
151 if (must_free_vptr)
152 /* If vptr must be freed, it's a pointer to a
153 * dynamically allocated buffer, it's safe to cast to
154 * const.
155 */
156 free((char *)vptr);
8f5ff31f 157
4ddba79d
JS
158 return 0;
159}
160
4b951b7e 161static int get_value(const char *key_, const char *regex_)
4ddba79d 162{
5f1a63e0 163 int ret = -1;
5f1a63e0 164 char *global = NULL, *repo_config = NULL;
32043c9f 165 const char *system_wide = NULL, *local;
9b25a0b5
JK
166 struct config_include_data inc = CONFIG_INCLUDE_INIT;
167 config_fn_t fn;
168 void *data;
5f1a63e0 169
270a3443 170 local = given_config_file;
5f1a63e0
JS
171 if (!local) {
172 const char *home = getenv("HOME");
a4f34cbb 173 local = repo_config = git_pathdup("config");
8f323c00 174 if (home)
9befac47 175 global = xstrdup(mkpath("%s/.gitconfig", home));
ab88c363
JK
176 if (git_config_system())
177 system_wide = git_etc_gitconfig();
5f1a63e0 178 }
4ddba79d 179
2fa9a0fb 180 if (use_key_regexp) {
b09c53a3
LP
181 char *tl;
182
183 /*
184 * NEEDSWORK: this naive pattern lowercasing obviously does not
185 * work for more complex patterns like "^[^.]*Foo.*bar".
186 * Perhaps we should deprecate this altogether someday.
187 */
188
189 key = xstrdup(key_);
190 for (tl = key + strlen(key) - 1;
191 tl >= key && *tl != '.';
192 tl--)
193 *tl = tolower(*tl);
194 for (tl = key; *tl && *tl != '.'; tl++)
195 *tl = tolower(*tl);
196
2d7320d0 197 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb 198 if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8 199 fprintf(stderr, "Invalid key pattern: %s\n", key_);
b09c53a3 200 free(key);
5f1a63e0 201 goto free_strings;
2fa9a0fb 202 }
b09c53a3
LP
203 } else {
204 if (git_config_parse_key(key_, &key, NULL))
205 goto free_strings;
2fa9a0fb
JS
206 }
207
4ddba79d 208 if (regex_) {
f98d863d
JS
209 if (regex_[0] == '!') {
210 do_not_match = 1;
211 regex_++;
212 }
213
2d7320d0 214 regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171 215 if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d 216 fprintf(stderr, "Invalid pattern: %s\n", regex_);
5f1a63e0 217 goto free_strings;
4ddba79d
JS
218 }
219 }
220
9b25a0b5
JK
221 fn = show_config;
222 data = NULL;
223 if (respect_includes) {
224 inc.fn = fn;
225 inc.data = data;
226 fn = git_config_include;
227 data = &inc;
228 }
229
32043c9f 230 if (do_all && system_wide)
9b25a0b5 231 git_config_from_file(fn, system_wide, data);
5f1a63e0 232 if (do_all && global)
9b25a0b5 233 git_config_from_file(fn, global, data);
8b1fa778 234 if (do_all)
9b25a0b5
JK
235 git_config_from_file(fn, local, data);
236 git_config_from_parameters(fn, data);
8b1fa778 237 if (!do_all && !seen)
9b25a0b5 238 git_config_from_file(fn, local, data);
5f1a63e0 239 if (!do_all && !seen && global)
9b25a0b5 240 git_config_from_file(fn, global, data);
32043c9f 241 if (!do_all && !seen && system_wide)
9b25a0b5 242 git_config_from_file(fn, system_wide, data);
5f1a63e0 243
4ddba79d 244 free(key);
0a152171
AW
245 if (regexp) {
246 regfree(regexp);
247 free(regexp);
4ddba79d
JS
248 }
249
250 if (do_all)
5f1a63e0
JS
251 ret = !seen;
252 else
dc2613de 253 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0
JS
254
255free_strings:
4cac42b1
JH
256 free(repo_config);
257 free(global);
5f1a63e0 258 return ret;
4ddba79d 259}
1b1e59c5 260
186458b1 261static char *normalize_value(const char *key, const char *value)
db1696b8
FL
262{
263 char *normalized;
264
265 if (!value)
266 return NULL;
267
1349484e
MM
268 if (types == 0 || types == TYPE_PATH)
269 /*
270 * We don't do normalization for TYPE_PATH here: If
271 * the path is like ~/foobar/, we prefer to store
272 * "~/foobar/" in the config file, and to expand the ~
273 * when retrieving the value.
274 */
db1696b8
FL
275 normalized = xstrdup(value);
276 else {
277 normalized = xmalloc(64);
16c1e939 278 if (types == TYPE_INT) {
db1696b8
FL
279 int v = git_config_int(key, value);
280 sprintf(normalized, "%d", v);
281 }
16c1e939 282 else if (types == TYPE_BOOL)
db1696b8
FL
283 sprintf(normalized, "%s",
284 git_config_bool(key, value) ? "true" : "false");
16c1e939 285 else if (types == TYPE_BOOL_OR_INT) {
c35b0b58
JH
286 int is_bool, v;
287 v = git_config_bool_or_int(key, value, &is_bool);
288 if (!is_bool)
289 sprintf(normalized, "%d", v);
290 else
291 sprintf(normalized, "%s", v ? "true" : "false");
292 }
db1696b8
FL
293 }
294
295 return normalized;
296}
297
9ce03522
JH
298static int get_color_found;
299static const char *get_color_slot;
b408457f 300static const char *get_colorbool_slot;
9ce03522
JH
301static char parsed_color[COLOR_MAXLEN];
302
ef90d6d4 303static int git_get_color_config(const char *var, const char *value, void *cb)
9ce03522
JH
304{
305 if (!strcmp(var, get_color_slot)) {
f769982d
JH
306 if (!value)
307 config_error_nonbool(var);
9ce03522
JH
308 color_parse(value, var, parsed_color);
309 get_color_found = 1;
310 }
311 return 0;
312}
313
0e854a28 314static void get_color(const char *def_color)
9ce03522 315{
9ce03522
JH
316 get_color_found = 0;
317 parsed_color[0] = '\0';
270a3443 318 git_config_with_options(git_get_color_config, NULL,
9b25a0b5 319 given_config_file, respect_includes);
9ce03522
JH
320
321 if (!get_color_found && def_color)
322 color_parse(def_color, "command line", parsed_color);
323
324 fputs(parsed_color, stdout);
9ce03522
JH
325}
326
0f6f5a40 327static int get_colorbool_found;
69243c2b 328static int get_diff_color_found;
c659f55b 329static int get_color_ui_found;
ef90d6d4
JS
330static int git_get_colorbool_config(const char *var, const char *value,
331 void *cb)
0f6f5a40 332{
e269eb79
JK
333 if (!strcmp(var, get_colorbool_slot))
334 get_colorbool_found = git_config_colorbool(var, value);
335 else if (!strcmp(var, "diff.color"))
336 get_diff_color_found = git_config_colorbool(var, value);
337 else if (!strcmp(var, "color.ui"))
c659f55b 338 get_color_ui_found = git_config_colorbool(var, value);
0f6f5a40
JH
339 return 0;
340}
341
0e854a28 342static int get_colorbool(int print)
0f6f5a40 343{
69243c2b
JH
344 get_colorbool_found = -1;
345 get_diff_color_found = -1;
270a3443 346 git_config_with_options(git_get_colorbool_config, NULL,
9b25a0b5 347 given_config_file, respect_includes);
0f6f5a40 348
69243c2b 349 if (get_colorbool_found < 0) {
b408457f 350 if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b
JH
351 get_colorbool_found = get_diff_color_found;
352 if (get_colorbool_found < 0)
c659f55b 353 get_colorbool_found = get_color_ui_found;
69243c2b
JH
354 }
355
daa0c3d9
JK
356 get_colorbool_found = want_color(get_colorbool_found);
357
0e854a28 358 if (print) {
0f6f5a40
JH
359 printf("%s\n", get_colorbool_found ? "true" : "false");
360 return 0;
0e854a28
FC
361 } else
362 return get_colorbool_found ? 0 : 1;
0f6f5a40
JH
363}
364
3ba7e6e2 365int cmd_config(int argc, const char **argv, const char *prefix)
1b1e59c5 366{
3ba7e6e2 367 int nongit = !startup_info->have_repository;
4b951b7e 368 char *value;
7162dff3 369
270a3443 370 given_config_file = getenv(CONFIG_ENVIRONMENT);
dc871831 371
37782920
SB
372 argc = parse_options(argc, argv, prefix, builtin_config_options,
373 builtin_config_usage,
d64ec16c
FC
374 PARSE_OPT_STOP_AT_NON_OPTION);
375
57210a67 376 if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
67052c9d
FC
377 error("only one config file at a time.");
378 usage_with_options(builtin_config_usage, builtin_config_options);
379 }
380
d64ec16c
FC
381 if (use_global_config) {
382 char *home = getenv("HOME");
383 if (home) {
384 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
270a3443 385 given_config_file = user_config;
db1696b8 386 } else {
d64ec16c 387 die("$HOME not set");
db1696b8 388 }
d64ec16c
FC
389 }
390 else if (use_system_config)
270a3443 391 given_config_file = git_etc_gitconfig();
57210a67 392 else if (use_local_config)
270a3443 393 given_config_file = git_pathdup("config");
d64ec16c
FC
394 else if (given_config_file) {
395 if (!is_absolute_path(given_config_file) && prefix)
270a3443 396 given_config_file =
839de252
JK
397 xstrdup(prefix_filename(prefix,
398 strlen(prefix),
399 given_config_file));
d64ec16c
FC
400 }
401
9b25a0b5
JK
402 if (respect_includes == -1)
403 respect_includes = !given_config_file;
404
d64ec16c
FC
405 if (end_null) {
406 term = '\0';
407 delim = '\n';
408 key_delim = '\n';
409 }
410
16c1e939
FC
411 if (HAS_MULTI_BITS(types)) {
412 error("only one type at a time.");
413 usage_with_options(builtin_config_usage, builtin_config_options);
414 }
415
d64ec16c
FC
416 if (get_color_slot)
417 actions |= ACTION_GET_COLOR;
418 if (get_colorbool_slot)
419 actions |= ACTION_GET_COLORBOOL;
420
c2387358
FC
421 if ((get_color_slot || get_colorbool_slot) && types) {
422 error("--get-color and variable type are incoherent");
423 usage_with_options(builtin_config_usage, builtin_config_options);
424 }
425
d64ec16c
FC
426 if (HAS_MULTI_BITS(actions)) {
427 error("only one action at a time.");
428 usage_with_options(builtin_config_usage, builtin_config_options);
429 }
430 if (actions == 0)
431 switch (argc) {
432 case 1: actions = ACTION_GET; break;
433 case 2: actions = ACTION_SET; break;
434 case 3: actions = ACTION_SET_ALL; break;
435 default:
436 usage_with_options(builtin_config_usage, builtin_config_options);
db1696b8 437 }
d64ec16c
FC
438
439 if (actions == ACTION_LIST) {
225a9caf 440 check_argc(argc, 0, 0);
270a3443 441 if (git_config_with_options(show_all_config, NULL,
9b25a0b5
JK
442 given_config_file,
443 respect_includes) < 0) {
270a3443 444 if (given_config_file)
d824cbba 445 die_errno("unable to read config file '%s'",
270a3443 446 given_config_file);
d64ec16c
FC
447 else
448 die("error processing config file(s)");
db1696b8 449 }
1b1e59c5 450 }
d64ec16c 451 else if (actions == ACTION_EDIT) {
225a9caf 452 check_argc(argc, 0, 0);
270a3443 453 if (!given_config_file && nongit)
d212ca17 454 die("not in a git directory");
d64ec16c 455 git_config(git_default_config, NULL);
270a3443
JK
456 launch_editor(given_config_file ?
457 given_config_file : git_path("config"),
d64ec16c
FC
458 NULL, NULL);
459 }
460 else if (actions == ACTION_SET) {
5a2df368 461 int ret;
d64ec16c
FC
462 check_argc(argc, 2, 2);
463 value = normalize_value(argv[0], argv[1]);
270a3443 464 ret = git_config_set_in_file(given_config_file, argv[0], value);
5a2df368
MG
465 if (ret == CONFIG_NOTHING_SET)
466 error("cannot overwrite multiple values with a single value\n"
67e223ed 467 " Use a regexp, --add or --replace-all to change %s.", argv[0]);
5a2df368 468 return ret;
d64ec16c
FC
469 }
470 else if (actions == ACTION_SET_ALL) {
471 check_argc(argc, 2, 3);
472 value = normalize_value(argv[0], argv[1]);
270a3443
JK
473 return git_config_set_multivar_in_file(given_config_file,
474 argv[0], value, argv[2], 0);
d64ec16c
FC
475 }
476 else if (actions == ACTION_ADD) {
477 check_argc(argc, 2, 2);
478 value = normalize_value(argv[0], argv[1]);
270a3443
JK
479 return git_config_set_multivar_in_file(given_config_file,
480 argv[0], value, "^$", 0);
d64ec16c
FC
481 }
482 else if (actions == ACTION_REPLACE_ALL) {
483 check_argc(argc, 2, 3);
484 value = normalize_value(argv[0], argv[1]);
270a3443
JK
485 return git_config_set_multivar_in_file(given_config_file,
486 argv[0], value, argv[2], 1);
d64ec16c
FC
487 }
488 else if (actions == ACTION_GET) {
489 check_argc(argc, 1, 2);
490 return get_value(argv[0], argv[1]);
491 }
492 else if (actions == ACTION_GET_ALL) {
493 do_all = 1;
494 check_argc(argc, 1, 2);
495 return get_value(argv[0], argv[1]);
496 }
497 else if (actions == ACTION_GET_REGEXP) {
498 show_keys = 1;
499 use_key_regexp = 1;
500 do_all = 1;
501 check_argc(argc, 1, 2);
502 return get_value(argv[0], argv[1]);
503 }
504 else if (actions == ACTION_UNSET) {
505 check_argc(argc, 1, 2);
506 if (argc == 2)
270a3443
JK
507 return git_config_set_multivar_in_file(given_config_file,
508 argv[0], NULL, argv[1], 0);
d64ec16c 509 else
270a3443
JK
510 return git_config_set_in_file(given_config_file,
511 argv[0], NULL);
d64ec16c
FC
512 }
513 else if (actions == ACTION_UNSET_ALL) {
514 check_argc(argc, 1, 2);
270a3443
JK
515 return git_config_set_multivar_in_file(given_config_file,
516 argv[0], NULL, argv[1], 1);
d64ec16c
FC
517 }
518 else if (actions == ACTION_RENAME_SECTION) {
519 int ret;
520 check_argc(argc, 2, 2);
270a3443
JK
521 ret = git_config_rename_section_in_file(given_config_file,
522 argv[0], argv[1]);
d64ec16c
FC
523 if (ret < 0)
524 return ret;
525 if (ret == 0)
526 die("No such section!");
527 }
528 else if (actions == ACTION_REMOVE_SECTION) {
529 int ret;
530 check_argc(argc, 1, 1);
270a3443
JK
531 ret = git_config_rename_section_in_file(given_config_file,
532 argv[0], NULL);
d64ec16c
FC
533 if (ret < 0)
534 return ret;
535 if (ret == 0)
536 die("No such section!");
537 }
538 else if (actions == ACTION_GET_COLOR) {
539 get_color(argv[0]);
540 }
541 else if (actions == ACTION_GET_COLORBOOL) {
542 if (argc == 1)
e269eb79 543 color_stdout_is_tty = git_config_bool("command line", argv[0]);
d64ec16c
FC
544 return get_colorbool(argc != 0);
545 }
546
1b1e59c5
JS
547 return 0;
548}
6390c905
RS
549
550int cmd_repo_config(int argc, const char **argv, const char *prefix)
551{
552 fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
553 return cmd_config(argc, argv, prefix);
554}