1#include "builtin.h"
2#include "cache.h"
3#include "config.h"
4#include "color.h"
5#include "parse-options.h"
6#include "urlmatch.h"
7#include "quote.h"
8
9static const char *const builtin_config_usage[] = {
10 N_("git config [<options>]"),
11 NULL
12};
13
14static char *key;
15static regex_t *key_regexp;
16static regex_t *regexp;
17static int show_keys;
18static int omit_values;
19static int use_key_regexp;
20static int do_all;
21static int do_not_match;
22static char delim = '=';
23static char key_delim = ' ';
24static char term = '\n';
25
26static int use_global_config, use_system_config, use_local_config;
27static struct git_config_source given_config_source;
28static int actions, type;
29static char *default_value;
30static int end_null;
31static int respect_includes_opt = -1;
32static struct config_options config_options;
33static int show_origin;
34
35#define ACTION_GET (1<<0)
36#define ACTION_GET_ALL (1<<1)
37#define ACTION_GET_REGEXP (1<<2)
38#define ACTION_REPLACE_ALL (1<<3)
39#define ACTION_ADD (1<<4)
40#define ACTION_UNSET (1<<5)
41#define ACTION_UNSET_ALL (1<<6)
42#define ACTION_RENAME_SECTION (1<<7)
43#define ACTION_REMOVE_SECTION (1<<8)
44#define ACTION_LIST (1<<9)
45#define ACTION_EDIT (1<<10)
46#define ACTION_SET (1<<11)
47#define ACTION_SET_ALL (1<<12)
48#define ACTION_GET_COLOR (1<<13)
49#define ACTION_GET_COLORBOOL (1<<14)
50#define ACTION_GET_URLMATCH (1<<15)
51
52/*
53 * The actions "ACTION_LIST | ACTION_GET_*" which may produce more than
54 * one line of output and which should therefore be paged.
55 */
56#define PAGING_ACTIONS (ACTION_LIST | ACTION_GET_ALL | \
57 ACTION_GET_REGEXP | ACTION_GET_URLMATCH)
58
59#define TYPE_BOOL 1
60#define TYPE_INT 2
61#define TYPE_BOOL_OR_INT 3
62#define TYPE_PATH 4
63#define TYPE_EXPIRY_DATE 5
64#define TYPE_COLOR 6
65
66#define OPT_CALLBACK_VALUE(s, l, v, h, i) \
67 { OPTION_CALLBACK, (s), (l), (v), NULL, (h), PARSE_OPT_NOARG | \
68 PARSE_OPT_NONEG, option_parse_type, (i) }
69
70static NORETURN void usage_builtin_config(void);
71
72static int option_parse_type(const struct option *opt, const char *arg,
73 int unset)
74{
75 int new_type, *to_type;
76
77 if (unset) {
78 *((int *) opt->value) = 0;
79 return 0;
80 }
81
82 /*
83 * To support '--<type>' style flags, begin with new_type equal to
84 * opt->defval.
85 */
86 new_type = opt->defval;
87 if (!new_type) {
88 if (!strcmp(arg, "bool"))
89 new_type = TYPE_BOOL;
90 else if (!strcmp(arg, "int"))
91 new_type = TYPE_INT;
92 else if (!strcmp(arg, "bool-or-int"))
93 new_type = TYPE_BOOL_OR_INT;
94 else if (!strcmp(arg, "path"))
95 new_type = TYPE_PATH;
96 else if (!strcmp(arg, "expiry-date"))
97 new_type = TYPE_EXPIRY_DATE;
98 else if (!strcmp(arg, "color"))
99 new_type = TYPE_COLOR;
100 else
101 die(_("unrecognized --type argument, %s"), arg);
102 }
103
104 to_type = opt->value;
105 if (*to_type && *to_type != new_type) {
106 /*
107 * Complain when there is a new type not equal to the old type.
108 * This allows for combinations like '--int --type=int' and
109 * '--type=int --type=int', but disallows ones like '--type=bool
110 * --int' and '--type=bool
111 * --type=int'.
112 */
113 error(_("only one type at a time"));
114 usage_builtin_config();
115 }
116 *to_type = new_type;
117
118 return 0;
119}
120
121static struct option builtin_config_options[] = {
122 OPT_GROUP(N_("Config file location")),
123 OPT_BOOL(0, "global", &use_global_config, N_("use global config file")),
124 OPT_BOOL(0, "system", &use_system_config, N_("use system config file")),
125 OPT_BOOL(0, "local", &use_local_config, N_("use repository config file")),
126 OPT_STRING('f', "file", &given_config_source.file, N_("file"), N_("use given config file")),
127 OPT_STRING(0, "blob", &given_config_source.blob, N_("blob-id"), N_("read config from given blob object")),
128 OPT_GROUP(N_("Action")),
129 OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
130 OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
131 OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
132 OPT_BIT(0, "get-urlmatch", &actions, N_("get value specific for the URL: section[.var] URL"), ACTION_GET_URLMATCH),
133 OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
134 OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
135 OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
136 OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL),
137 OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
138 OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
139 OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
140 OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
141 OPT_BIT(0, "get-color", &actions, N_("find the color configured: slot [default]"), ACTION_GET_COLOR),
142 OPT_BIT(0, "get-colorbool", &actions, N_("find the color setting: slot [stdout-is-tty]"), ACTION_GET_COLORBOOL),
143 OPT_GROUP(N_("Type")),
144 OPT_CALLBACK('t', "type", &type, "", N_("value is given this type"), option_parse_type),
145 OPT_CALLBACK_VALUE(0, "bool", &type, N_("value is \"true\" or \"false\""), TYPE_BOOL),
146 OPT_CALLBACK_VALUE(0, "int", &type, N_("value is decimal number"), TYPE_INT),
147 OPT_CALLBACK_VALUE(0, "bool-or-int", &type, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
148 OPT_CALLBACK_VALUE(0, "path", &type, N_("value is a path (file or directory name)"), TYPE_PATH),
149 OPT_CALLBACK_VALUE(0, "expiry-date", &type, N_("value is an expiry date"), TYPE_EXPIRY_DATE),
150 OPT_GROUP(N_("Other")),
151 OPT_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")),
152 OPT_BOOL(0, "name-only", &omit_values, N_("show variable names only")),
153 OPT_BOOL(0, "includes", &respect_includes_opt, N_("respect include directives on lookup")),
154 OPT_BOOL(0, "show-origin", &show_origin, N_("show origin of config (file, standard input, blob, command line)")),
155 OPT_STRING(0, "default", &default_value, N_("value"), N_("with --get, use default value when missing entry")),
156 OPT_END(),
157};
158
159static NORETURN void usage_builtin_config(void)
160{
161 usage_with_options(builtin_config_usage, builtin_config_options);
162}
163
164static void check_argc(int argc, int min, int max) {
165 if (argc >= min && argc <= max)
166 return;
167 if (min == max)
168 error(_("wrong number of arguments, should be %d"), min);
169 else
170 error(_("wrong number of arguments, should be from %d to %d"),
171 min, max);
172 usage_builtin_config();
173}
174
175static void show_config_origin(struct strbuf *buf)
176{
177 const char term = end_null ? '\0' : '\t';
178
179 strbuf_addstr(buf, current_config_origin_type());
180 strbuf_addch(buf, ':');
181 if (end_null)
182 strbuf_addstr(buf, current_config_name());
183 else
184 quote_c_style(current_config_name(), buf, NULL, 0);
185 strbuf_addch(buf, term);
186}
187
188static int show_all_config(const char *key_, const char *value_, void *cb)
189{
190 if (show_origin) {
191 struct strbuf buf = STRBUF_INIT;
192 show_config_origin(&buf);
193 /* Use fwrite as "buf" can contain \0's if "end_null" is set. */
194 fwrite(buf.buf, 1, buf.len, stdout);
195 strbuf_release(&buf);
196 }
197 if (!omit_values && value_)
198 printf("%s%c%s%c", key_, delim, value_, term);
199 else
200 printf("%s%c", key_, term);
201 return 0;
202}
203
204struct strbuf_list {
205 struct strbuf *items;
206 int nr;
207 int alloc;
208};
209
210static int format_config(struct strbuf *buf, const char *key_, const char *value_)
211{
212 if (show_origin)
213 show_config_origin(buf);
214 if (show_keys)
215 strbuf_addstr(buf, key_);
216 if (!omit_values) {
217 if (show_keys)
218 strbuf_addch(buf, key_delim);
219
220 if (type == TYPE_INT)
221 strbuf_addf(buf, "%"PRId64,
222 git_config_int64(key_, value_ ? value_ : ""));
223 else if (type == TYPE_BOOL)
224 strbuf_addstr(buf, git_config_bool(key_, value_) ?
225 "true" : "false");
226 else if (type == TYPE_BOOL_OR_INT) {
227 int is_bool, v;
228 v = git_config_bool_or_int(key_, value_, &is_bool);
229 if (is_bool)
230 strbuf_addstr(buf, v ? "true" : "false");
231 else
232 strbuf_addf(buf, "%d", v);
233 } else if (type == TYPE_PATH) {
234 const char *v;
235 if (git_config_pathname(&v, key_, value_) < 0)
236 return -1;
237 strbuf_addstr(buf, v);
238 free((char *)v);
239 } else if (type == TYPE_EXPIRY_DATE) {
240 timestamp_t t;
241 if (git_config_expiry_date(&t, key_, value_) < 0)
242 return -1;
243 strbuf_addf(buf, "%"PRItime, t);
244 } else if (type == TYPE_COLOR) {
245 char v[COLOR_MAXLEN];
246 if (git_config_color(v, key_, value_) < 0)
247 return -1;
248 strbuf_addstr(buf, v);
249 } else if (value_) {
250 strbuf_addstr(buf, value_);
251 } else {
252 /* Just show the key name; back out delimiter */
253 if (show_keys)
254 strbuf_setlen(buf, buf->len - 1);
255 }
256 }
257 strbuf_addch(buf, term);
258 return 0;
259}
260
261static int collect_config(const char *key_, const char *value_, void *cb)
262{
263 struct strbuf_list *values = cb;
264
265 if (!use_key_regexp && strcmp(key_, key))
266 return 0;
267 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
268 return 0;
269 if (regexp != NULL &&
270 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
271 return 0;
272
273 ALLOC_GROW(values->items, values->nr + 1, values->alloc);
274 strbuf_init(&values->items[values->nr], 0);
275
276 return format_config(&values->items[values->nr++], key_, value_);
277}
278
279static int get_value(const char *key_, const char *regex_)
280{
281 int ret = CONFIG_GENERIC_ERROR;
282 struct strbuf_list values = {NULL};
283 int i;
284
285 if (use_key_regexp) {
286 char *tl;
287
288 /*
289 * NEEDSWORK: this naive pattern lowercasing obviously does not
290 * work for more complex patterns like "^[^.]*Foo.*bar".
291 * Perhaps we should deprecate this altogether someday.
292 */
293
294 key = xstrdup(key_);
295 for (tl = key + strlen(key) - 1;
296 tl >= key && *tl != '.';
297 tl--)
298 *tl = tolower(*tl);
299 for (tl = key; *tl && *tl != '.'; tl++)
300 *tl = tolower(*tl);
301
302 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
303 if (regcomp(key_regexp, key, REG_EXTENDED)) {
304 error(_("invalid key pattern: %s"), key_);
305 FREE_AND_NULL(key_regexp);
306 ret = CONFIG_INVALID_PATTERN;
307 goto free_strings;
308 }
309 } else {
310 if (git_config_parse_key(key_, &key, NULL)) {
311 ret = CONFIG_INVALID_KEY;
312 goto free_strings;
313 }
314 }
315
316 if (regex_) {
317 if (regex_[0] == '!') {
318 do_not_match = 1;
319 regex_++;
320 }
321
322 regexp = (regex_t*)xmalloc(sizeof(regex_t));
323 if (regcomp(regexp, regex_, REG_EXTENDED)) {
324 error(_("invalid pattern: %s"), regex_);
325 FREE_AND_NULL(regexp);
326 ret = CONFIG_INVALID_PATTERN;
327 goto free_strings;
328 }
329 }
330
331 config_with_options(collect_config, &values,
332 &given_config_source, &config_options);
333
334 if (!values.nr && default_value) {
335 struct strbuf *item;
336 ALLOC_GROW(values.items, values.nr + 1, values.alloc);
337 item = &values.items[values.nr++];
338 strbuf_init(item, 0);
339 if (format_config(item, key_, default_value) < 0)
340 die(_("failed to format default config value: %s"),
341 default_value);
342 }
343
344 ret = !values.nr;
345
346 for (i = 0; i < values.nr; i++) {
347 struct strbuf *buf = values.items + i;
348 if (do_all || i == values.nr - 1)
349 fwrite(buf->buf, 1, buf->len, stdout);
350 strbuf_release(buf);
351 }
352 free(values.items);
353
354free_strings:
355 free(key);
356 if (key_regexp) {
357 regfree(key_regexp);
358 free(key_regexp);
359 }
360 if (regexp) {
361 regfree(regexp);
362 free(regexp);
363 }
364
365 return ret;
366}
367
368static char *normalize_value(const char *key, const char *value)
369{
370 if (!value)
371 return NULL;
372
373 if (type == 0 || type == TYPE_PATH || type == TYPE_EXPIRY_DATE)
374 /*
375 * We don't do normalization for TYPE_PATH here: If
376 * the path is like ~/foobar/, we prefer to store
377 * "~/foobar/" in the config file, and to expand the ~
378 * when retrieving the value.
379 * Also don't do normalization for expiry dates.
380 */
381 return xstrdup(value);
382 if (type == TYPE_INT)
383 return xstrfmt("%"PRId64, git_config_int64(key, value));
384 if (type == TYPE_BOOL)
385 return xstrdup(git_config_bool(key, value) ? "true" : "false");
386 if (type == TYPE_BOOL_OR_INT) {
387 int is_bool, v;
388 v = git_config_bool_or_int(key, value, &is_bool);
389 if (!is_bool)
390 return xstrfmt("%d", v);
391 else
392 return xstrdup(v ? "true" : "false");
393 }
394 if (type == TYPE_COLOR) {
395 char v[COLOR_MAXLEN];
396 if (git_config_color(v, key, value))
397 die(_("cannot parse color '%s'"), value);
398
399 /*
400 * The contents of `v` now contain an ANSI escape
401 * sequence, not suitable for including within a
402 * configuration file. Treat the above as a
403 * "sanity-check", and return the given value, which we
404 * know is representable as valid color code.
405 */
406 return xstrdup(value);
407 }
408
409 BUG("cannot normalize type %d", type);
410}
411
412static int get_color_found;
413static const char *get_color_slot;
414static const char *get_colorbool_slot;
415static char parsed_color[COLOR_MAXLEN];
416
417static int git_get_color_config(const char *var, const char *value, void *cb)
418{
419 if (!strcmp(var, get_color_slot)) {
420 if (!value)
421 config_error_nonbool(var);
422 if (color_parse(value, parsed_color) < 0)
423 return -1;
424 get_color_found = 1;
425 }
426 return 0;
427}
428
429static void get_color(const char *var, const char *def_color)
430{
431 get_color_slot = var;
432 get_color_found = 0;
433 parsed_color[0] = '\0';
434 config_with_options(git_get_color_config, NULL,
435 &given_config_source, &config_options);
436
437 if (!get_color_found && def_color) {
438 if (color_parse(def_color, parsed_color) < 0)
439 die(_("unable to parse default color value"));
440 }
441
442 fputs(parsed_color, stdout);
443}
444
445static int get_colorbool_found;
446static int get_diff_color_found;
447static int get_color_ui_found;
448static int git_get_colorbool_config(const char *var, const char *value,
449 void *cb)
450{
451 if (!strcmp(var, get_colorbool_slot))
452 get_colorbool_found = git_config_colorbool(var, value);
453 else if (!strcmp(var, "diff.color"))
454 get_diff_color_found = git_config_colorbool(var, value);
455 else if (!strcmp(var, "color.ui"))
456 get_color_ui_found = git_config_colorbool(var, value);
457 return 0;
458}
459
460static int get_colorbool(const char *var, int print)
461{
462 get_colorbool_slot = var;
463 get_colorbool_found = -1;
464 get_diff_color_found = -1;
465 get_color_ui_found = -1;
466 config_with_options(git_get_colorbool_config, NULL,
467 &given_config_source, &config_options);
468
469 if (get_colorbool_found < 0) {
470 if (!strcmp(get_colorbool_slot, "color.diff"))
471 get_colorbool_found = get_diff_color_found;
472 if (get_colorbool_found < 0)
473 get_colorbool_found = get_color_ui_found;
474 }
475
476 if (get_colorbool_found < 0)
477 /* default value if none found in config */
478 get_colorbool_found = GIT_COLOR_AUTO;
479
480 get_colorbool_found = want_color(get_colorbool_found);
481
482 if (print) {
483 printf("%s\n", get_colorbool_found ? "true" : "false");
484 return 0;
485 } else
486 return get_colorbool_found ? 0 : 1;
487}
488
489static void check_write(void)
490{
491 if (!given_config_source.file && !startup_info->have_repository)
492 die(_("not in a git directory"));
493
494 if (given_config_source.use_stdin)
495 die(_("writing to stdin is not supported"));
496
497 if (given_config_source.blob)
498 die(_("writing config blobs is not supported"));
499}
500
501struct urlmatch_current_candidate_value {
502 char value_is_null;
503 struct strbuf value;
504};
505
506static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
507{
508 struct string_list *values = cb;
509 struct string_list_item *item = string_list_insert(values, var);
510 struct urlmatch_current_candidate_value *matched = item->util;
511
512 if (!matched) {
513 matched = xmalloc(sizeof(*matched));
514 strbuf_init(&matched->value, 0);
515 item->util = matched;
516 } else {
517 strbuf_reset(&matched->value);
518 }
519
520 if (value) {
521 strbuf_addstr(&matched->value, value);
522 matched->value_is_null = 0;
523 } else {
524 matched->value_is_null = 1;
525 }
526 return 0;
527}
528
529static int get_urlmatch(const char *var, const char *url)
530{
531 int ret;
532 char *section_tail;
533 struct string_list_item *item;
534 struct urlmatch_config config = { STRING_LIST_INIT_DUP };
535 struct string_list values = STRING_LIST_INIT_DUP;
536
537 config.collect_fn = urlmatch_collect_fn;
538 config.cascade_fn = NULL;
539 config.cb = &values;
540
541 if (!url_normalize(url, &config.url))
542 die("%s", config.url.err);
543
544 config.section = xstrdup_tolower(var);
545 section_tail = strchr(config.section, '.');
546 if (section_tail) {
547 *section_tail = '\0';
548 config.key = section_tail + 1;
549 show_keys = 0;
550 } else {
551 config.key = NULL;
552 show_keys = 1;
553 }
554
555 config_with_options(urlmatch_config_entry, &config,
556 &given_config_source, &config_options);
557
558 ret = !values.nr;
559
560 for_each_string_list_item(item, &values) {
561 struct urlmatch_current_candidate_value *matched = item->util;
562 struct strbuf buf = STRBUF_INIT;
563
564 format_config(&buf, item->string,
565 matched->value_is_null ? NULL : matched->value.buf);
566 fwrite(buf.buf, 1, buf.len, stdout);
567 strbuf_release(&buf);
568
569 strbuf_release(&matched->value);
570 }
571 string_list_clear(&config.vars, 1);
572 string_list_clear(&values, 1);
573 free(config.url.url);
574
575 free((void *)config.section);
576 return ret;
577}
578
579static char *default_user_config(void)
580{
581 struct strbuf buf = STRBUF_INIT;
582 strbuf_addf(&buf,
583 _("# This is Git's per-user configuration file.\n"
584 "[user]\n"
585 "# Please adapt and uncomment the following lines:\n"
586 "# name = %s\n"
587 "# email = %s\n"),
588 ident_default_name(),
589 ident_default_email());
590 return strbuf_detach(&buf, NULL);
591}
592
593int cmd_config(int argc, const char **argv, const char *prefix)
594{
595 int nongit = !startup_info->have_repository;
596 char *value;
597
598 given_config_source.file = getenv(CONFIG_ENVIRONMENT);
599
600 argc = parse_options(argc, argv, prefix, builtin_config_options,
601 builtin_config_usage,
602 PARSE_OPT_STOP_AT_NON_OPTION);
603
604 if (use_global_config + use_system_config + use_local_config +
605 !!given_config_source.file + !!given_config_source.blob > 1) {
606 error(_("only one config file at a time"));
607 usage_builtin_config();
608 }
609
610 if (use_local_config && nongit)
611 die(_("--local can only be used inside a git repository"));
612
613 if (given_config_source.blob && nongit)
614 die(_("--blob can only be used inside a git repository"));
615
616 if (given_config_source.file &&
617 !strcmp(given_config_source.file, "-")) {
618 given_config_source.file = NULL;
619 given_config_source.use_stdin = 1;
620 }
621
622 if (use_global_config) {
623 char *user_config = expand_user_path("~/.gitconfig", 0);
624 char *xdg_config = xdg_config_home("config");
625
626 if (!user_config)
627 /*
628 * It is unknown if HOME/.gitconfig exists, so
629 * we do not know if we should write to XDG
630 * location; error out even if XDG_CONFIG_HOME
631 * is set and points at a sane location.
632 */
633 die(_("$HOME not set"));
634
635 if (access_or_warn(user_config, R_OK, 0) &&
636 xdg_config && !access_or_warn(xdg_config, R_OK, 0)) {
637 given_config_source.file = xdg_config;
638 free(user_config);
639 } else {
640 given_config_source.file = user_config;
641 free(xdg_config);
642 }
643 }
644 else if (use_system_config)
645 given_config_source.file = git_etc_gitconfig();
646 else if (use_local_config)
647 given_config_source.file = git_pathdup("config");
648 else if (given_config_source.file) {
649 if (!is_absolute_path(given_config_source.file) && prefix)
650 given_config_source.file =
651 prefix_filename(prefix, given_config_source.file);
652 }
653
654 if (respect_includes_opt == -1)
655 config_options.respect_includes = !given_config_source.file;
656 else
657 config_options.respect_includes = respect_includes_opt;
658 if (!nongit) {
659 config_options.commondir = get_git_common_dir();
660 config_options.git_dir = get_git_dir();
661 }
662
663 if (end_null) {
664 term = '\0';
665 delim = '\n';
666 key_delim = '\n';
667 }
668
669 if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && type) {
670 error(_("--get-color and variable type are incoherent"));
671 usage_builtin_config();
672 }
673
674 if (HAS_MULTI_BITS(actions)) {
675 error(_("only one action at a time"));
676 usage_builtin_config();
677 }
678 if (actions == 0)
679 switch (argc) {
680 case 1: actions = ACTION_GET; break;
681 case 2: actions = ACTION_SET; break;
682 case 3: actions = ACTION_SET_ALL; break;
683 default:
684 usage_builtin_config();
685 }
686 if (omit_values &&
687 !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
688 error(_("--name-only is only applicable to --list or --get-regexp"));
689 usage_builtin_config();
690 }
691
692 if (show_origin && !(actions &
693 (ACTION_GET|ACTION_GET_ALL|ACTION_GET_REGEXP|ACTION_LIST))) {
694 error(_("--show-origin is only applicable to --get, --get-all, "
695 "--get-regexp, and --list"));
696 usage_builtin_config();
697 }
698
699 if (default_value && !(actions & ACTION_GET)) {
700 error(_("--default is only applicable to --get"));
701 usage_builtin_config();
702 }
703
704 if (actions & PAGING_ACTIONS)
705 setup_auto_pager("config", 1);
706
707 if (actions == ACTION_LIST) {
708 check_argc(argc, 0, 0);
709 if (config_with_options(show_all_config, NULL,
710 &given_config_source,
711 &config_options) < 0) {
712 if (given_config_source.file)
713 die_errno(_("unable to read config file '%s'"),
714 given_config_source.file);
715 else
716 die(_("error processing config file(s)"));
717 }
718 }
719 else if (actions == ACTION_EDIT) {
720 char *config_file;
721
722 check_argc(argc, 0, 0);
723 if (!given_config_source.file && nongit)
724 die(_("not in a git directory"));
725 if (given_config_source.use_stdin)
726 die(_("editing stdin is not supported"));
727 if (given_config_source.blob)
728 die(_("editing blobs is not supported"));
729 git_config(git_default_config, NULL);
730 config_file = given_config_source.file ?
731 xstrdup(given_config_source.file) :
732 git_pathdup("config");
733 if (use_global_config) {
734 int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
735 if (fd >= 0) {
736 char *content = default_user_config();
737 write_str_in_full(fd, content);
738 free(content);
739 close(fd);
740 }
741 else if (errno != EEXIST)
742 die_errno(_("cannot create configuration file %s"), config_file);
743 }
744 launch_editor(config_file, NULL, NULL);
745 free(config_file);
746 }
747 else if (actions == ACTION_SET) {
748 int ret;
749 check_write();
750 check_argc(argc, 2, 2);
751 value = normalize_value(argv[0], argv[1]);
752 UNLEAK(value);
753 ret = git_config_set_in_file_gently(given_config_source.file, argv[0], value);
754 if (ret == CONFIG_NOTHING_SET)
755 error(_("cannot overwrite multiple values with a single value\n"
756 " Use a regexp, --add or --replace-all to change %s."), argv[0]);
757 return ret;
758 }
759 else if (actions == ACTION_SET_ALL) {
760 check_write();
761 check_argc(argc, 2, 3);
762 value = normalize_value(argv[0], argv[1]);
763 UNLEAK(value);
764 return git_config_set_multivar_in_file_gently(given_config_source.file,
765 argv[0], value, argv[2], 0);
766 }
767 else if (actions == ACTION_ADD) {
768 check_write();
769 check_argc(argc, 2, 2);
770 value = normalize_value(argv[0], argv[1]);
771 UNLEAK(value);
772 return git_config_set_multivar_in_file_gently(given_config_source.file,
773 argv[0], value,
774 CONFIG_REGEX_NONE, 0);
775 }
776 else if (actions == ACTION_REPLACE_ALL) {
777 check_write();
778 check_argc(argc, 2, 3);
779 value = normalize_value(argv[0], argv[1]);
780 UNLEAK(value);
781 return git_config_set_multivar_in_file_gently(given_config_source.file,
782 argv[0], value, argv[2], 1);
783 }
784 else if (actions == ACTION_GET) {
785 check_argc(argc, 1, 2);
786 return get_value(argv[0], argv[1]);
787 }
788 else if (actions == ACTION_GET_ALL) {
789 do_all = 1;
790 check_argc(argc, 1, 2);
791 return get_value(argv[0], argv[1]);
792 }
793 else if (actions == ACTION_GET_REGEXP) {
794 show_keys = 1;
795 use_key_regexp = 1;
796 do_all = 1;
797 check_argc(argc, 1, 2);
798 return get_value(argv[0], argv[1]);
799 }
800 else if (actions == ACTION_GET_URLMATCH) {
801 check_argc(argc, 2, 2);
802 return get_urlmatch(argv[0], argv[1]);
803 }
804 else if (actions == ACTION_UNSET) {
805 check_write();
806 check_argc(argc, 1, 2);
807 if (argc == 2)
808 return git_config_set_multivar_in_file_gently(given_config_source.file,
809 argv[0], NULL, argv[1], 0);
810 else
811 return git_config_set_in_file_gently(given_config_source.file,
812 argv[0], NULL);
813 }
814 else if (actions == ACTION_UNSET_ALL) {
815 check_write();
816 check_argc(argc, 1, 2);
817 return git_config_set_multivar_in_file_gently(given_config_source.file,
818 argv[0], NULL, argv[1], 1);
819 }
820 else if (actions == ACTION_RENAME_SECTION) {
821 int ret;
822 check_write();
823 check_argc(argc, 2, 2);
824 ret = git_config_rename_section_in_file(given_config_source.file,
825 argv[0], argv[1]);
826 if (ret < 0)
827 return ret;
828 if (ret == 0)
829 die(_("no such section: %s"), argv[0]);
830 }
831 else if (actions == ACTION_REMOVE_SECTION) {
832 int ret;
833 check_write();
834 check_argc(argc, 1, 1);
835 ret = git_config_rename_section_in_file(given_config_source.file,
836 argv[0], NULL);
837 if (ret < 0)
838 return ret;
839 if (ret == 0)
840 die(_("no such section: %s"), argv[0]);
841 }
842 else if (actions == ACTION_GET_COLOR) {
843 check_argc(argc, 1, 2);
844 get_color(argv[0], argv[1]);
845 }
846 else if (actions == ACTION_GET_COLORBOOL) {
847 check_argc(argc, 1, 2);
848 if (argc == 2)
849 color_stdout_is_tty = git_config_bool("command line", argv[1]);
850 return get_colorbool(argv[0], argc == 2);
851 }
852
853 return 0;
854}