config: don't implicitly use gitdir or commondir
[git/git.git] / builtin / config.c
CommitLineData
e12c095a 1#include "builtin.h"
1b1e59c5 2#include "cache.h"
b2141fc1 3#include "config.h"
9ce03522 4#include "color.h"
d64ec16c 5#include "parse-options.h"
d4770964 6#include "urlmatch.h"
70bd879a 7#include "quote.h"
1b1e59c5 8
d64ec16c 9static const char *const builtin_config_usage[] = {
9c9b4f2f 10 N_("git config [<options>]"),
d64ec16c
FC
11 NULL
12};
4ddba79d 13
96f1e58f
DR
14static char *key;
15static regex_t *key_regexp;
16static regex_t *regexp;
17static int show_keys;
578625fa 18static int omit_values;
96f1e58f
DR
19static int use_key_regexp;
20static int do_all;
21static int do_not_match;
2275d502
FL
22static char delim = '=';
23static char key_delim = ' ';
24static char term = '\n';
4ddba79d 25
57210a67 26static int use_global_config, use_system_config, use_local_config;
c8985ce0 27static struct git_config_source given_config_source;
16c1e939 28static int actions, types;
d64ec16c 29static int end_null;
c48f4b37
NTND
30static int respect_includes_opt = -1;
31static struct config_options config_options;
70bd879a 32static int show_origin;
d64ec16c
FC
33
34#define ACTION_GET (1<<0)
35#define ACTION_GET_ALL (1<<1)
36#define ACTION_GET_REGEXP (1<<2)
37#define ACTION_REPLACE_ALL (1<<3)
38#define ACTION_ADD (1<<4)
39#define ACTION_UNSET (1<<5)
40#define ACTION_UNSET_ALL (1<<6)
41#define ACTION_RENAME_SECTION (1<<7)
42#define ACTION_REMOVE_SECTION (1<<8)
43#define ACTION_LIST (1<<9)
44#define ACTION_EDIT (1<<10)
45#define ACTION_SET (1<<11)
46#define ACTION_SET_ALL (1<<12)
47#define ACTION_GET_COLOR (1<<13)
48#define ACTION_GET_COLORBOOL (1<<14)
d4770964 49#define ACTION_GET_URLMATCH (1<<15)
d64ec16c 50
16c1e939
FC
51#define TYPE_BOOL (1<<0)
52#define TYPE_INT (1<<1)
53#define TYPE_BOOL_OR_INT (1<<2)
1349484e 54#define TYPE_PATH (1<<3)
16c1e939 55
d64ec16c 56static struct option builtin_config_options[] = {
1bd31ce6 57 OPT_GROUP(N_("Config file location")),
21e047dc
SB
58 OPT_BOOL(0, "global", &use_global_config, N_("use global config file")),
59 OPT_BOOL(0, "system", &use_system_config, N_("use system config file")),
60 OPT_BOOL(0, "local", &use_local_config, N_("use repository config file")),
c8985ce0
KS
61 OPT_STRING('f', "file", &given_config_source.file, N_("file"), N_("use given config file")),
62 OPT_STRING(0, "blob", &given_config_source.blob, N_("blob-id"), N_("read config from given blob object")),
1bd31ce6
NTND
63 OPT_GROUP(N_("Action")),
64 OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
65 OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
66 OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
d4770964 67 OPT_BIT(0, "get-urlmatch", &actions, N_("get value specific for the URL: section[.var] URL"), ACTION_GET_URLMATCH),
1bd31ce6 68 OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
f63cf8c9
NTND
69 OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
70 OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
71 OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL),
1bd31ce6
NTND
72 OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
73 OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
74 OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
f63cf8c9 75 OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
d0e08d62
JK
76 OPT_BIT(0, "get-color", &actions, N_("find the color configured: slot [default]"), ACTION_GET_COLOR),
77 OPT_BIT(0, "get-colorbool", &actions, N_("find the color setting: slot [stdout-is-tty]"), ACTION_GET_COLORBOOL),
1bd31ce6
NTND
78 OPT_GROUP(N_("Type")),
79 OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
80 OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
81 OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
82 OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
83 OPT_GROUP(N_("Other")),
d5d09d47 84 OPT_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")),
578625fa 85 OPT_BOOL(0, "name-only", &omit_values, N_("show variable names only")),
c48f4b37 86 OPT_BOOL(0, "includes", &respect_includes_opt, N_("respect include directives on lookup")),
70bd879a 87 OPT_BOOL(0, "show-origin", &show_origin, N_("show origin of config (file, standard input, blob, command line)")),
d64ec16c
FC
88 OPT_END(),
89};
90
91static void check_argc(int argc, int min, int max) {
92 if (argc >= min && argc <= max)
93 return;
94 error("wrong number of arguments");
95 usage_with_options(builtin_config_usage, builtin_config_options);
96}
97
70bd879a
LS
98static void show_config_origin(struct strbuf *buf)
99{
100 const char term = end_null ? '\0' : '\t';
101
102 strbuf_addstr(buf, current_config_origin_type());
103 strbuf_addch(buf, ':');
104 if (end_null)
105 strbuf_addstr(buf, current_config_name());
106 else
107 quote_c_style(current_config_name(), buf, NULL, 0);
108 strbuf_addch(buf, term);
109}
110
ef90d6d4 111static int show_all_config(const char *key_, const char *value_, void *cb)
de791f15 112{
70bd879a
LS
113 if (show_origin) {
114 struct strbuf buf = STRBUF_INIT;
115 show_config_origin(&buf);
116 /* Use fwrite as "buf" can contain \0's if "end_null" is set. */
117 fwrite(buf.buf, 1, buf.len, stdout);
118 strbuf_release(&buf);
119 }
578625fa 120 if (!omit_values && value_)
2275d502 121 printf("%s%c%s%c", key_, delim, value_, term);
de791f15 122 else
2275d502 123 printf("%s%c", key_, term);
de791f15
PB
124 return 0;
125}
126
7acdd6f0
JK
127struct strbuf_list {
128 struct strbuf *items;
129 int nr;
130 int alloc;
131};
132
d9b9169b 133static int format_config(struct strbuf *buf, const char *key_, const char *value_)
4ddba79d 134{
70bd879a
LS
135 if (show_origin)
136 show_config_origin(buf);
ebca2d49 137 if (show_keys)
7acdd6f0 138 strbuf_addstr(buf, key_);
ebca2d49 139 if (!omit_values) {
f2259877
JK
140 if (show_keys)
141 strbuf_addch(buf, key_delim);
ebca2d49
SG
142
143 if (types == TYPE_INT)
f2259877
JK
144 strbuf_addf(buf, "%"PRId64,
145 git_config_int64(key_, value_ ? value_ : ""));
ebca2d49 146 else if (types == TYPE_BOOL)
f2259877
JK
147 strbuf_addstr(buf, git_config_bool(key_, value_) ?
148 "true" : "false");
ebca2d49
SG
149 else if (types == TYPE_BOOL_OR_INT) {
150 int is_bool, v;
151 v = git_config_bool_or_int(key_, value_, &is_bool);
152 if (is_bool)
f2259877 153 strbuf_addstr(buf, v ? "true" : "false");
ebca2d49 154 else
f2259877 155 strbuf_addf(buf, "%d", v);
ebca2d49 156 } else if (types == TYPE_PATH) {
f2259877
JK
157 const char *v;
158 if (git_config_pathname(&v, key_, value_) < 0)
ebca2d49 159 return -1;
f2259877
JK
160 strbuf_addstr(buf, v);
161 free((char *)v);
ebca2d49 162 } else if (value_) {
f2259877 163 strbuf_addstr(buf, value_);
ebca2d49 164 } else {
f2259877
JK
165 /* Just show the key name; back out delimiter */
166 if (show_keys)
167 strbuf_setlen(buf, buf->len - 1);
ebca2d49 168 }
578625fa 169 }
00b347d3 170 strbuf_addch(buf, term);
4ddba79d
JS
171 return 0;
172}
173
d9b9169b
JH
174static int collect_config(const char *key_, const char *value_, void *cb)
175{
176 struct strbuf_list *values = cb;
177
178 if (!use_key_regexp && strcmp(key_, key))
179 return 0;
180 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
181 return 0;
182 if (regexp != NULL &&
183 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
184 return 0;
185
186 ALLOC_GROW(values->items, values->nr + 1, values->alloc);
9f1429df 187 strbuf_init(&values->items[values->nr], 0);
d9b9169b
JH
188
189 return format_config(&values->items[values->nr++], key_, value_);
190}
191
4b951b7e 192static int get_value(const char *key_, const char *regex_)
4ddba79d 193{
9409c7a5 194 int ret = CONFIG_GENERIC_ERROR;
5ba1a8a7 195 struct strbuf_list values = {NULL};
7acdd6f0 196 int i;
4ddba79d 197
2fa9a0fb 198 if (use_key_regexp) {
b09c53a3
LP
199 char *tl;
200
201 /*
202 * NEEDSWORK: this naive pattern lowercasing obviously does not
203 * work for more complex patterns like "^[^.]*Foo.*bar".
204 * Perhaps we should deprecate this altogether someday.
205 */
206
207 key = xstrdup(key_);
208 for (tl = key + strlen(key) - 1;
209 tl >= key && *tl != '.';
210 tl--)
211 *tl = tolower(*tl);
212 for (tl = key; *tl && *tl != '.'; tl++)
213 *tl = tolower(*tl);
214
2d7320d0 215 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb 216 if (regcomp(key_regexp, key, REG_EXTENDED)) {
95d62121 217 error("invalid key pattern: %s", key_);
97ed50f9
JK
218 free(key_regexp);
219 key_regexp = NULL;
9409c7a5 220 ret = CONFIG_INVALID_PATTERN;
5f1a63e0 221 goto free_strings;
2fa9a0fb 222 }
b09c53a3 223 } else {
9409c7a5
JH
224 if (git_config_parse_key(key_, &key, NULL)) {
225 ret = CONFIG_INVALID_KEY;
b09c53a3 226 goto free_strings;
9409c7a5 227 }
2fa9a0fb
JS
228 }
229
4ddba79d 230 if (regex_) {
f98d863d
JS
231 if (regex_[0] == '!') {
232 do_not_match = 1;
233 regex_++;
234 }
235
2d7320d0 236 regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171 237 if (regcomp(regexp, regex_, REG_EXTENDED)) {
95d62121 238 error("invalid pattern: %s", regex_);
97ed50f9
JK
239 free(regexp);
240 regexp = NULL;
9409c7a5 241 ret = CONFIG_INVALID_PATTERN;
5f1a63e0 242 goto free_strings;
4ddba79d
JS
243 }
244 }
245
dc8441fd
BW
246 config_with_options(collect_config, &values,
247 &given_config_source, &config_options);
5f1a63e0 248
00b347d3 249 ret = !values.nr;
9b25a0b5 250
7acdd6f0
JK
251 for (i = 0; i < values.nr; i++) {
252 struct strbuf *buf = values.items + i;
00b347d3
JK
253 if (do_all || i == values.nr - 1)
254 fwrite(buf->buf, 1, buf->len, stdout);
7acdd6f0
JK
255 strbuf_release(buf);
256 }
257 free(values.items);
5f1a63e0 258
97ed50f9 259free_strings:
4ddba79d 260 free(key);
35998c89
JK
261 if (key_regexp) {
262 regfree(key_regexp);
263 free(key_regexp);
264 }
0a152171
AW
265 if (regexp) {
266 regfree(regexp);
267 free(regexp);
4ddba79d
JS
268 }
269
5f1a63e0 270 return ret;
4ddba79d 271}
1b1e59c5 272
186458b1 273static char *normalize_value(const char *key, const char *value)
db1696b8 274{
db1696b8
FL
275 if (!value)
276 return NULL;
277
1349484e
MM
278 if (types == 0 || types == TYPE_PATH)
279 /*
280 * We don't do normalization for TYPE_PATH here: If
281 * the path is like ~/foobar/, we prefer to store
282 * "~/foobar/" in the config file, and to expand the ~
283 * when retrieving the value.
284 */
3ec832c4
JK
285 return xstrdup(value);
286 if (types == TYPE_INT)
287 return xstrfmt("%"PRId64, git_config_int64(key, value));
288 if (types == TYPE_BOOL)
289 return xstrdup(git_config_bool(key, value) ? "true" : "false");
290 if (types == TYPE_BOOL_OR_INT) {
291 int is_bool, v;
292 v = git_config_bool_or_int(key, value, &is_bool);
293 if (!is_bool)
294 return xstrfmt("%d", v);
295 else
296 return xstrdup(v ? "true" : "false");
db1696b8
FL
297 }
298
3ec832c4 299 die("BUG: cannot normalize type %d", types);
db1696b8
FL
300}
301
9ce03522
JH
302static int get_color_found;
303static const char *get_color_slot;
b408457f 304static const char *get_colorbool_slot;
9ce03522
JH
305static char parsed_color[COLOR_MAXLEN];
306
ef90d6d4 307static int git_get_color_config(const char *var, const char *value, void *cb)
9ce03522
JH
308{
309 if (!strcmp(var, get_color_slot)) {
f769982d
JH
310 if (!value)
311 config_error_nonbool(var);
f6c5a296
JK
312 if (color_parse(value, parsed_color) < 0)
313 return -1;
9ce03522
JH
314 get_color_found = 1;
315 }
316 return 0;
317}
318
d0e08d62 319static void get_color(const char *var, const char *def_color)
9ce03522 320{
d0e08d62 321 get_color_slot = var;
9ce03522
JH
322 get_color_found = 0;
323 parsed_color[0] = '\0';
dc8441fd
BW
324 config_with_options(git_get_color_config, NULL,
325 &given_config_source, &config_options);
9ce03522 326
f6c5a296
JK
327 if (!get_color_found && def_color) {
328 if (color_parse(def_color, parsed_color) < 0)
329 die(_("unable to parse default color value"));
330 }
9ce03522
JH
331
332 fputs(parsed_color, stdout);
9ce03522
JH
333}
334
0f6f5a40 335static int get_colorbool_found;
69243c2b 336static int get_diff_color_found;
c659f55b 337static int get_color_ui_found;
ef90d6d4
JS
338static int git_get_colorbool_config(const char *var, const char *value,
339 void *cb)
0f6f5a40 340{
e269eb79
JK
341 if (!strcmp(var, get_colorbool_slot))
342 get_colorbool_found = git_config_colorbool(var, value);
343 else if (!strcmp(var, "diff.color"))
344 get_diff_color_found = git_config_colorbool(var, value);
345 else if (!strcmp(var, "color.ui"))
c659f55b 346 get_color_ui_found = git_config_colorbool(var, value);
0f6f5a40
JH
347 return 0;
348}
349
d0e08d62 350static int get_colorbool(const char *var, int print)
0f6f5a40 351{
d0e08d62 352 get_colorbool_slot = var;
69243c2b
JH
353 get_colorbool_found = -1;
354 get_diff_color_found = -1;
b8612b4d 355 get_color_ui_found = -1;
dc8441fd
BW
356 config_with_options(git_get_colorbool_config, NULL,
357 &given_config_source, &config_options);
0f6f5a40 358
69243c2b 359 if (get_colorbool_found < 0) {
b408457f 360 if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b
JH
361 get_colorbool_found = get_diff_color_found;
362 if (get_colorbool_found < 0)
c659f55b 363 get_colorbool_found = get_color_ui_found;
69243c2b
JH
364 }
365
b8612b4d
MM
366 if (get_colorbool_found < 0)
367 /* default value if none found in config */
4c7f1819 368 get_colorbool_found = GIT_COLOR_AUTO;
b8612b4d 369
daa0c3d9
JK
370 get_colorbool_found = want_color(get_colorbool_found);
371
0e854a28 372 if (print) {
0f6f5a40
JH
373 printf("%s\n", get_colorbool_found ? "true" : "false");
374 return 0;
0e854a28
FC
375 } else
376 return get_colorbool_found ? 0 : 1;
0f6f5a40
JH
377}
378
6aea9f0f 379static void check_write(void)
1bc88819 380{
638fa623
JS
381 if (!given_config_source.file && !startup_info->have_repository)
382 die("not in a git directory");
383
3caec73b
KS
384 if (given_config_source.use_stdin)
385 die("writing to stdin is not supported");
386
c8985ce0 387 if (given_config_source.blob)
1bc88819
HV
388 die("writing config blobs is not supported");
389}
390
d4770964
JH
391struct urlmatch_current_candidate_value {
392 char value_is_null;
393 struct strbuf value;
394};
395
396static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
397{
398 struct string_list *values = cb;
399 struct string_list_item *item = string_list_insert(values, var);
400 struct urlmatch_current_candidate_value *matched = item->util;
401
402 if (!matched) {
403 matched = xmalloc(sizeof(*matched));
404 strbuf_init(&matched->value, 0);
405 item->util = matched;
406 } else {
407 strbuf_reset(&matched->value);
408 }
409
410 if (value) {
411 strbuf_addstr(&matched->value, value);
412 matched->value_is_null = 0;
413 } else {
414 matched->value_is_null = 1;
415 }
416 return 0;
417}
418
d4770964
JH
419static int get_urlmatch(const char *var, const char *url)
420{
27b30be6 421 int ret;
d4770964
JH
422 char *section_tail;
423 struct string_list_item *item;
424 struct urlmatch_config config = { STRING_LIST_INIT_DUP };
425 struct string_list values = STRING_LIST_INIT_DUP;
426
427 config.collect_fn = urlmatch_collect_fn;
428 config.cascade_fn = NULL;
429 config.cb = &values;
430
431 if (!url_normalize(url, &config.url))
6667a6ac 432 die("%s", config.url.err);
d4770964 433
88d5a6f6 434 config.section = xstrdup_tolower(var);
d4770964
JH
435 section_tail = strchr(config.section, '.');
436 if (section_tail) {
437 *section_tail = '\0';
438 config.key = section_tail + 1;
439 show_keys = 0;
440 } else {
441 config.key = NULL;
442 show_keys = 1;
443 }
444
dc8441fd
BW
445 config_with_options(urlmatch_config_entry, &config,
446 &given_config_source, &config_options);
d4770964 447
27b30be6
JK
448 ret = !values.nr;
449
d4770964
JH
450 for_each_string_list_item(item, &values) {
451 struct urlmatch_current_candidate_value *matched = item->util;
d4770964
JH
452 struct strbuf buf = STRBUF_INIT;
453
a92330d2 454 format_config(&buf, item->string,
d4770964
JH
455 matched->value_is_null ? NULL : matched->value.buf);
456 fwrite(buf.buf, 1, buf.len, stdout);
d4770964
JH
457 strbuf_release(&buf);
458
459 strbuf_release(&matched->value);
460 }
461 string_list_clear(&config.vars, 1);
462 string_list_clear(&values, 1);
463 free(config.url.url);
464
465 free((void *)config.section);
27b30be6 466 return ret;
d4770964
JH
467}
468
9830534e
MM
469static char *default_user_config(void)
470{
471 struct strbuf buf = STRBUF_INIT;
472 strbuf_addf(&buf,
473 _("# This is Git's per-user configuration file.\n"
7e110524 474 "[user]\n"
9830534e 475 "# Please adapt and uncomment the following lines:\n"
7e110524 476 "# name = %s\n"
9830534e
MM
477 "# email = %s\n"),
478 ident_default_name(),
479 ident_default_email());
480 return strbuf_detach(&buf, NULL);
481}
482
3ba7e6e2 483int cmd_config(int argc, const char **argv, const char *prefix)
1b1e59c5 484{
3ba7e6e2 485 int nongit = !startup_info->have_repository;
4b951b7e 486 char *value;
7162dff3 487
c8985ce0 488 given_config_source.file = getenv(CONFIG_ENVIRONMENT);
dc871831 489
37782920
SB
490 argc = parse_options(argc, argv, prefix, builtin_config_options,
491 builtin_config_usage,
d64ec16c
FC
492 PARSE_OPT_STOP_AT_NON_OPTION);
493
1bc88819 494 if (use_global_config + use_system_config + use_local_config +
c8985ce0 495 !!given_config_source.file + !!given_config_source.blob > 1) {
67052c9d
FC
496 error("only one config file at a time.");
497 usage_with_options(builtin_config_usage, builtin_config_options);
498 }
499
3caec73b
KS
500 if (given_config_source.file &&
501 !strcmp(given_config_source.file, "-")) {
502 given_config_source.file = NULL;
503 given_config_source.use_stdin = 1;
504 }
505
d64ec16c 506 if (use_global_config) {
4aad2f16 507 char *user_config = expand_user_path("~/.gitconfig", 0);
509adc33 508 char *xdg_config = xdg_config_home("config");
21cf3227 509
e3ebc35b
MM
510 if (!user_config)
511 /*
512 * It is unknown if HOME/.gitconfig exists, so
513 * we do not know if we should write to XDG
514 * location; error out even if XDG_CONFIG_HOME
515 * is set and points at a sane location.
516 */
517 die("$HOME not set");
518
4698c8fe
JN
519 if (access_or_warn(user_config, R_OK, 0) &&
520 xdg_config && !access_or_warn(xdg_config, R_OK, 0))
c8985ce0 521 given_config_source.file = xdg_config;
21cf3227 522 else
c8985ce0 523 given_config_source.file = user_config;
d64ec16c
FC
524 }
525 else if (use_system_config)
c8985ce0 526 given_config_source.file = git_etc_gitconfig();
57210a67 527 else if (use_local_config)
c8985ce0
KS
528 given_config_source.file = git_pathdup("config");
529 else if (given_config_source.file) {
530 if (!is_absolute_path(given_config_source.file) && prefix)
531 given_config_source.file =
e4da43b1 532 prefix_filename(prefix, given_config_source.file);
d64ec16c
FC
533 }
534
c48f4b37
NTND
535 if (respect_includes_opt == -1)
536 config_options.respect_includes = !given_config_source.file;
537 else
538 config_options.respect_includes = respect_includes_opt;
dc8441fd
BW
539 if (!nongit) {
540 config_options.commondir = get_git_common_dir();
541 config_options.git_dir = get_git_dir();
542 }
9b25a0b5 543
d64ec16c
FC
544 if (end_null) {
545 term = '\0';
546 delim = '\n';
547 key_delim = '\n';
548 }
549
16c1e939
FC
550 if (HAS_MULTI_BITS(types)) {
551 error("only one type at a time.");
552 usage_with_options(builtin_config_usage, builtin_config_options);
553 }
554
d0e08d62 555 if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && types) {
c2387358
FC
556 error("--get-color and variable type are incoherent");
557 usage_with_options(builtin_config_usage, builtin_config_options);
558 }
559
d64ec16c
FC
560 if (HAS_MULTI_BITS(actions)) {
561 error("only one action at a time.");
562 usage_with_options(builtin_config_usage, builtin_config_options);
563 }
564 if (actions == 0)
565 switch (argc) {
566 case 1: actions = ACTION_GET; break;
567 case 2: actions = ACTION_SET; break;
568 case 3: actions = ACTION_SET_ALL; break;
569 default:
570 usage_with_options(builtin_config_usage, builtin_config_options);
db1696b8 571 }
578625fa
SG
572 if (omit_values &&
573 !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
574 error("--name-only is only applicable to --list or --get-regexp");
575 usage_with_options(builtin_config_usage, builtin_config_options);
576 }
70bd879a
LS
577
578 if (show_origin && !(actions &
579 (ACTION_GET|ACTION_GET_ALL|ACTION_GET_REGEXP|ACTION_LIST))) {
580 error("--show-origin is only applicable to --get, --get-all, "
581 "--get-regexp, and --list.");
582 usage_with_options(builtin_config_usage, builtin_config_options);
583 }
584
d64ec16c 585 if (actions == ACTION_LIST) {
225a9caf 586 check_argc(argc, 0, 0);
dc8441fd
BW
587 if (config_with_options(show_all_config, NULL,
588 &given_config_source,
589 &config_options) < 0) {
c8985ce0 590 if (given_config_source.file)
d824cbba 591 die_errno("unable to read config file '%s'",
c8985ce0 592 given_config_source.file);
d64ec16c
FC
593 else
594 die("error processing config file(s)");
db1696b8 595 }
1b1e59c5 596 }
d64ec16c 597 else if (actions == ACTION_EDIT) {
3696a7c2
MH
598 char *config_file;
599
225a9caf 600 check_argc(argc, 0, 0);
c8985ce0 601 if (!given_config_source.file && nongit)
d212ca17 602 die("not in a git directory");
3caec73b
KS
603 if (given_config_source.use_stdin)
604 die("editing stdin is not supported");
c8985ce0 605 if (given_config_source.blob)
1bc88819 606 die("editing blobs is not supported");
d64ec16c 607 git_config(git_default_config, NULL);
d9c69644
JK
608 config_file = given_config_source.file ?
609 xstrdup(given_config_source.file) :
610 git_pathdup("config");
9830534e
MM
611 if (use_global_config) {
612 int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
aabbd3f3 613 if (fd >= 0) {
9830534e
MM
614 char *content = default_user_config();
615 write_str_in_full(fd, content);
616 free(content);
617 close(fd);
618 }
619 else if (errno != EEXIST)
620 die_errno(_("cannot create configuration file %s"), config_file);
621 }
622 launch_editor(config_file, NULL, NULL);
3696a7c2 623 free(config_file);
d64ec16c
FC
624 }
625 else if (actions == ACTION_SET) {
5a2df368 626 int ret;
6aea9f0f 627 check_write();
d64ec16c
FC
628 check_argc(argc, 2, 2);
629 value = normalize_value(argv[0], argv[1]);
30598ad0 630 ret = git_config_set_in_file_gently(given_config_source.file, argv[0], value);
5a2df368 631 if (ret == CONFIG_NOTHING_SET)
ccf63801
VA
632 error(_("cannot overwrite multiple values with a single value\n"
633 " Use a regexp, --add or --replace-all to change %s."), argv[0]);
5a2df368 634 return ret;
d64ec16c
FC
635 }
636 else if (actions == ACTION_SET_ALL) {
6aea9f0f 637 check_write();
d64ec16c
FC
638 check_argc(argc, 2, 3);
639 value = normalize_value(argv[0], argv[1]);
30598ad0
PS
640 return git_config_set_multivar_in_file_gently(given_config_source.file,
641 argv[0], value, argv[2], 0);
d64ec16c
FC
642 }
643 else if (actions == ACTION_ADD) {
6aea9f0f 644 check_write();
d64ec16c
FC
645 check_argc(argc, 2, 2);
646 value = normalize_value(argv[0], argv[1]);
30598ad0
PS
647 return git_config_set_multivar_in_file_gently(given_config_source.file,
648 argv[0], value,
649 CONFIG_REGEX_NONE, 0);
d64ec16c
FC
650 }
651 else if (actions == ACTION_REPLACE_ALL) {
6aea9f0f 652 check_write();
d64ec16c
FC
653 check_argc(argc, 2, 3);
654 value = normalize_value(argv[0], argv[1]);
30598ad0
PS
655 return git_config_set_multivar_in_file_gently(given_config_source.file,
656 argv[0], value, argv[2], 1);
d64ec16c
FC
657 }
658 else if (actions == ACTION_GET) {
659 check_argc(argc, 1, 2);
660 return get_value(argv[0], argv[1]);
661 }
662 else if (actions == ACTION_GET_ALL) {
663 do_all = 1;
664 check_argc(argc, 1, 2);
665 return get_value(argv[0], argv[1]);
666 }
667 else if (actions == ACTION_GET_REGEXP) {
668 show_keys = 1;
669 use_key_regexp = 1;
670 do_all = 1;
671 check_argc(argc, 1, 2);
672 return get_value(argv[0], argv[1]);
673 }
d4770964
JH
674 else if (actions == ACTION_GET_URLMATCH) {
675 check_argc(argc, 2, 2);
676 return get_urlmatch(argv[0], argv[1]);
677 }
d64ec16c 678 else if (actions == ACTION_UNSET) {
6aea9f0f 679 check_write();
d64ec16c
FC
680 check_argc(argc, 1, 2);
681 if (argc == 2)
30598ad0
PS
682 return git_config_set_multivar_in_file_gently(given_config_source.file,
683 argv[0], NULL, argv[1], 0);
d64ec16c 684 else
30598ad0
PS
685 return git_config_set_in_file_gently(given_config_source.file,
686 argv[0], NULL);
d64ec16c
FC
687 }
688 else if (actions == ACTION_UNSET_ALL) {
6aea9f0f 689 check_write();
d64ec16c 690 check_argc(argc, 1, 2);
30598ad0
PS
691 return git_config_set_multivar_in_file_gently(given_config_source.file,
692 argv[0], NULL, argv[1], 1);
d64ec16c
FC
693 }
694 else if (actions == ACTION_RENAME_SECTION) {
695 int ret;
6aea9f0f 696 check_write();
d64ec16c 697 check_argc(argc, 2, 2);
c8985ce0 698 ret = git_config_rename_section_in_file(given_config_source.file,
270a3443 699 argv[0], argv[1]);
d64ec16c
FC
700 if (ret < 0)
701 return ret;
702 if (ret == 0)
703 die("No such section!");
704 }
705 else if (actions == ACTION_REMOVE_SECTION) {
706 int ret;
6aea9f0f 707 check_write();
d64ec16c 708 check_argc(argc, 1, 1);
c8985ce0 709 ret = git_config_rename_section_in_file(given_config_source.file,
270a3443 710 argv[0], NULL);
d64ec16c
FC
711 if (ret < 0)
712 return ret;
713 if (ret == 0)
714 die("No such section!");
715 }
716 else if (actions == ACTION_GET_COLOR) {
d0e08d62
JK
717 check_argc(argc, 1, 2);
718 get_color(argv[0], argv[1]);
d64ec16c
FC
719 }
720 else if (actions == ACTION_GET_COLORBOOL) {
d0e08d62
JK
721 check_argc(argc, 1, 2);
722 if (argc == 2)
723 color_stdout_is_tty = git_config_bool("command line", argv[1]);
724 return get_colorbool(argv[0], argc == 2);
d64ec16c
FC
725 }
726
1b1e59c5
JS
727 return 0;
728}