4 #include "parse-options.h"
7 static const char *const builtin_config_usage[] = {
8 N_("git config [<options>]"),
13 static regex_t *key_regexp;
14 static regex_t *regexp;
16 static int omit_values;
17 static int use_key_regexp;
19 static int do_not_match;
20 static char delim = '=';
21 static char key_delim = ' ';
22 static char term = '\n';
24 static int use_global_config, use_system_config, use_local_config;
25 static struct git_config_source given_config_source;
26 static int actions, types;
27 static const char *get_color_slot, *get_colorbool_slot;
29 static int respect_includes = -1;
31 #define ACTION_GET (1<<0)
32 #define ACTION_GET_ALL (1<<1)
33 #define ACTION_GET_REGEXP (1<<2)
34 #define ACTION_REPLACE_ALL (1<<3)
35 #define ACTION_ADD (1<<4)
36 #define ACTION_UNSET (1<<5)
37 #define ACTION_UNSET_ALL (1<<6)
38 #define ACTION_RENAME_SECTION (1<<7)
39 #define ACTION_REMOVE_SECTION (1<<8)
40 #define ACTION_LIST (1<<9)
41 #define ACTION_EDIT (1<<10)
42 #define ACTION_SET (1<<11)
43 #define ACTION_SET_ALL (1<<12)
44 #define ACTION_GET_COLOR (1<<13)
45 #define ACTION_GET_COLORBOOL (1<<14)
46 #define ACTION_GET_URLMATCH (1<<15)
48 #define TYPE_BOOL (1<<0)
49 #define TYPE_INT (1<<1)
50 #define TYPE_BOOL_OR_INT (1<<2)
51 #define TYPE_PATH (1<<3)
53 static struct option builtin_config_options[] = {
54 OPT_GROUP(N_("Config file location")),
55 OPT_BOOL(0, "global", &use_global_config, N_("use global config file")),
56 OPT_BOOL(0, "system", &use_system_config, N_("use system config file")),
57 OPT_BOOL(0, "local", &use_local_config, N_("use repository config file")),
58 OPT_STRING('f', "file", &given_config_source.file, N_("file"), N_("use given config file")),
59 OPT_STRING(0, "blob", &given_config_source.blob, N_("blob-id"), N_("read config from given blob object")),
60 OPT_GROUP(N_("Action")),
61 OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
62 OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
63 OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
64 OPT_BIT(0, "get-urlmatch", &actions, N_("get value specific for the URL: section[.var] URL"), ACTION_GET_URLMATCH),
65 OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
66 OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
67 OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
68 OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL),
69 OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
70 OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
71 OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
72 OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
73 OPT_BIT(0, "get-color", &actions, N_("find the color configured: slot [default]"), ACTION_GET_COLOR),
74 OPT_BIT(0, "get-colorbool", &actions, N_("find the color setting: slot [stdout-is-tty]"), ACTION_GET_COLORBOOL),
75 OPT_GROUP(N_("Type")),
76 OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
77 OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
78 OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
79 OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
80 OPT_GROUP(N_("Other")),
81 OPT_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")),
82 OPT_BOOL(0, "name-only", &omit_values, N_("show variable names only")),
83 OPT_BOOL(0, "includes", &respect_includes, N_("respect include directives on lookup")),
87 static void check_argc(int argc, int min, int max) {
88 if (argc >= min && argc <= max)
90 error("wrong number of arguments");
91 usage_with_options(builtin_config_usage, builtin_config_options);
94 static int show_all_config(const char *key_, const char *value_, void *cb)
96 if (!omit_values && value_)
97 printf("%s%c%s%c", key_, delim, value_, term);
99 printf("%s%c", key_, term);
104 struct strbuf *items;
109 static int format_config(struct strbuf *buf, const char *key_, const char *value_)
112 strbuf_addstr(buf, key_);
115 strbuf_addch(buf, key_delim);
117 if (types == TYPE_INT)
118 strbuf_addf(buf, "%"PRId64,
119 git_config_int64(key_, value_ ? value_ : ""));
120 else if (types == TYPE_BOOL)
121 strbuf_addstr(buf, git_config_bool(key_, value_) ?
123 else if (types == TYPE_BOOL_OR_INT) {
125 v = git_config_bool_or_int(key_, value_, &is_bool);
127 strbuf_addstr(buf, v ? "true" : "false");
129 strbuf_addf(buf, "%d", v);
130 } else if (types == TYPE_PATH) {
132 if (git_config_pathname(&v, key_, value_) < 0)
134 strbuf_addstr(buf, v);
137 strbuf_addstr(buf, value_);
139 /* Just show the key name; back out delimiter */
141 strbuf_setlen(buf, buf->len - 1);
144 strbuf_addch(buf, term);
148 static int collect_config(const char *key_, const char *value_, void *cb)
150 struct strbuf_list *values = cb;
152 if (!use_key_regexp && strcmp(key_, key))
154 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
156 if (regexp != NULL &&
157 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
160 ALLOC_GROW(values->items, values->nr + 1, values->alloc);
161 strbuf_init(&values->items[values->nr], 0);
163 return format_config(&values->items[values->nr++], key_, value_);
166 static int get_value(const char *key_, const char *regex_)
168 int ret = CONFIG_GENERIC_ERROR;
169 struct strbuf_list values = {NULL};
172 if (use_key_regexp) {
176 * NEEDSWORK: this naive pattern lowercasing obviously does not
177 * work for more complex patterns like "^[^.]*Foo.*bar".
178 * Perhaps we should deprecate this altogether someday.
182 for (tl = key + strlen(key) - 1;
183 tl >= key && *tl != '.';
186 for (tl = key; *tl && *tl != '.'; tl++)
189 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
190 if (regcomp(key_regexp, key, REG_EXTENDED)) {
191 error("invalid key pattern: %s", key_);
194 ret = CONFIG_INVALID_PATTERN;
198 if (git_config_parse_key(key_, &key, NULL)) {
199 ret = CONFIG_INVALID_KEY;
205 if (regex_[0] == '!') {
210 regexp = (regex_t*)xmalloc(sizeof(regex_t));
211 if (regcomp(regexp, regex_, REG_EXTENDED)) {
212 error("invalid pattern: %s", regex_);
215 ret = CONFIG_INVALID_PATTERN;
220 git_config_with_options(collect_config, &values,
221 &given_config_source, respect_includes);
225 for (i = 0; i < values.nr; i++) {
226 struct strbuf *buf = values.items + i;
227 if (do_all || i == values.nr - 1)
228 fwrite(buf->buf, 1, buf->len, stdout);
247 static char *normalize_value(const char *key, const char *value)
254 if (types == 0 || types == TYPE_PATH)
256 * We don't do normalization for TYPE_PATH here: If
257 * the path is like ~/foobar/, we prefer to store
258 * "~/foobar/" in the config file, and to expand the ~
259 * when retrieving the value.
261 normalized = xstrdup(value);
263 normalized = xmalloc(64);
264 if (types == TYPE_INT) {
265 int64_t v = git_config_int64(key, value);
266 sprintf(normalized, "%"PRId64, v);
268 else if (types == TYPE_BOOL)
269 sprintf(normalized, "%s",
270 git_config_bool(key, value) ? "true" : "false");
271 else if (types == TYPE_BOOL_OR_INT) {
273 v = git_config_bool_or_int(key, value, &is_bool);
275 sprintf(normalized, "%d", v);
277 sprintf(normalized, "%s", v ? "true" : "false");
284 static int get_color_found;
285 static const char *get_color_slot;
286 static const char *get_colorbool_slot;
287 static char parsed_color[COLOR_MAXLEN];
289 static int git_get_color_config(const char *var, const char *value, void *cb)
291 if (!strcmp(var, get_color_slot)) {
293 config_error_nonbool(var);
294 if (color_parse(value, parsed_color) < 0)
301 static void get_color(const char *var, const char *def_color)
303 get_color_slot = var;
305 parsed_color[0] = '\0';
306 git_config_with_options(git_get_color_config, NULL,
307 &given_config_source, respect_includes);
309 if (!get_color_found && def_color) {
310 if (color_parse(def_color, parsed_color) < 0)
311 die(_("unable to parse default color value"));
314 fputs(parsed_color, stdout);
317 static int get_colorbool_found;
318 static int get_diff_color_found;
319 static int get_color_ui_found;
320 static int git_get_colorbool_config(const char *var, const char *value,
323 if (!strcmp(var, get_colorbool_slot))
324 get_colorbool_found = git_config_colorbool(var, value);
325 else if (!strcmp(var, "diff.color"))
326 get_diff_color_found = git_config_colorbool(var, value);
327 else if (!strcmp(var, "color.ui"))
328 get_color_ui_found = git_config_colorbool(var, value);
332 static int get_colorbool(const char *var, int print)
334 get_colorbool_slot = var;
335 get_colorbool_found = -1;
336 get_diff_color_found = -1;
337 get_color_ui_found = -1;
338 git_config_with_options(git_get_colorbool_config, NULL,
339 &given_config_source, respect_includes);
341 if (get_colorbool_found < 0) {
342 if (!strcmp(get_colorbool_slot, "color.diff"))
343 get_colorbool_found = get_diff_color_found;
344 if (get_colorbool_found < 0)
345 get_colorbool_found = get_color_ui_found;
348 if (get_colorbool_found < 0)
349 /* default value if none found in config */
350 get_colorbool_found = GIT_COLOR_AUTO;
352 get_colorbool_found = want_color(get_colorbool_found);
355 printf("%s\n", get_colorbool_found ? "true" : "false");
358 return get_colorbool_found ? 0 : 1;
361 static void check_write(void)
363 if (given_config_source.use_stdin)
364 die("writing to stdin is not supported");
366 if (given_config_source.blob)
367 die("writing config blobs is not supported");
370 struct urlmatch_current_candidate_value {
375 static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
377 struct string_list *values = cb;
378 struct string_list_item *item = string_list_insert(values, var);
379 struct urlmatch_current_candidate_value *matched = item->util;
382 matched = xmalloc(sizeof(*matched));
383 strbuf_init(&matched->value, 0);
384 item->util = matched;
386 strbuf_reset(&matched->value);
390 strbuf_addstr(&matched->value, value);
391 matched->value_is_null = 0;
393 matched->value_is_null = 1;
398 static int get_urlmatch(const char *var, const char *url)
401 struct string_list_item *item;
402 struct urlmatch_config config = { STRING_LIST_INIT_DUP };
403 struct string_list values = STRING_LIST_INIT_DUP;
405 config.collect_fn = urlmatch_collect_fn;
406 config.cascade_fn = NULL;
409 if (!url_normalize(url, &config.url))
410 die("%s", config.url.err);
412 config.section = xstrdup_tolower(var);
413 section_tail = strchr(config.section, '.');
415 *section_tail = '\0';
416 config.key = section_tail + 1;
423 git_config_with_options(urlmatch_config_entry, &config,
424 &given_config_source, respect_includes);
426 for_each_string_list_item(item, &values) {
427 struct urlmatch_current_candidate_value *matched = item->util;
428 struct strbuf buf = STRBUF_INIT;
430 format_config(&buf, item->string,
431 matched->value_is_null ? NULL : matched->value.buf);
432 fwrite(buf.buf, 1, buf.len, stdout);
433 strbuf_release(&buf);
435 strbuf_release(&matched->value);
437 string_list_clear(&config.vars, 1);
438 string_list_clear(&values, 1);
439 free(config.url.url);
441 free((void *)config.section);
445 static char *default_user_config(void)
447 struct strbuf buf = STRBUF_INIT;
449 _("# This is Git's per-user configuration file.\n"
451 "# Please adapt and uncomment the following lines:\n"
454 ident_default_name(),
455 ident_default_email());
456 return strbuf_detach(&buf, NULL);
459 int cmd_config(int argc, const char **argv, const char *prefix)
461 int nongit = !startup_info->have_repository;
464 given_config_source.file = getenv(CONFIG_ENVIRONMENT);
466 argc = parse_options(argc, argv, prefix, builtin_config_options,
467 builtin_config_usage,
468 PARSE_OPT_STOP_AT_NON_OPTION);
470 if (use_global_config + use_system_config + use_local_config +
471 !!given_config_source.file + !!given_config_source.blob > 1) {
472 error("only one config file at a time.");
473 usage_with_options(builtin_config_usage, builtin_config_options);
476 if (given_config_source.file &&
477 !strcmp(given_config_source.file, "-")) {
478 given_config_source.file = NULL;
479 given_config_source.use_stdin = 1;
482 if (use_global_config) {
483 char *user_config = expand_user_path("~/.gitconfig");
484 char *xdg_config = xdg_config_home("config");
488 * It is unknown if HOME/.gitconfig exists, so
489 * we do not know if we should write to XDG
490 * location; error out even if XDG_CONFIG_HOME
491 * is set and points at a sane location.
493 die("$HOME not set");
495 if (access_or_warn(user_config, R_OK, 0) &&
496 xdg_config && !access_or_warn(xdg_config, R_OK, 0))
497 given_config_source.file = xdg_config;
499 given_config_source.file = user_config;
501 else if (use_system_config)
502 given_config_source.file = git_etc_gitconfig();
503 else if (use_local_config)
504 given_config_source.file = git_pathdup("config");
505 else if (given_config_source.file) {
506 if (!is_absolute_path(given_config_source.file) && prefix)
507 given_config_source.file =
508 xstrdup(prefix_filename(prefix,
510 given_config_source.file));
513 if (respect_includes == -1)
514 respect_includes = !given_config_source.file;
522 if (HAS_MULTI_BITS(types)) {
523 error("only one type at a time.");
524 usage_with_options(builtin_config_usage, builtin_config_options);
527 if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && types) {
528 error("--get-color and variable type are incoherent");
529 usage_with_options(builtin_config_usage, builtin_config_options);
532 if (HAS_MULTI_BITS(actions)) {
533 error("only one action at a time.");
534 usage_with_options(builtin_config_usage, builtin_config_options);
538 case 1: actions = ACTION_GET; break;
539 case 2: actions = ACTION_SET; break;
540 case 3: actions = ACTION_SET_ALL; break;
542 usage_with_options(builtin_config_usage, builtin_config_options);
545 !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
546 error("--name-only is only applicable to --list or --get-regexp");
547 usage_with_options(builtin_config_usage, builtin_config_options);
549 if (actions == ACTION_LIST) {
550 check_argc(argc, 0, 0);
551 if (git_config_with_options(show_all_config, NULL,
552 &given_config_source,
553 respect_includes) < 0) {
554 if (given_config_source.file)
555 die_errno("unable to read config file '%s'",
556 given_config_source.file);
558 die("error processing config file(s)");
561 else if (actions == ACTION_EDIT) {
564 check_argc(argc, 0, 0);
565 if (!given_config_source.file && nongit)
566 die("not in a git directory");
567 if (given_config_source.use_stdin)
568 die("editing stdin is not supported");
569 if (given_config_source.blob)
570 die("editing blobs is not supported");
571 git_config(git_default_config, NULL);
572 config_file = xstrdup(given_config_source.file ?
573 given_config_source.file : git_path("config"));
574 if (use_global_config) {
575 int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
577 char *content = default_user_config();
578 write_str_in_full(fd, content);
582 else if (errno != EEXIST)
583 die_errno(_("cannot create configuration file %s"), config_file);
585 launch_editor(config_file, NULL, NULL);
588 else if (actions == ACTION_SET) {
591 check_argc(argc, 2, 2);
592 value = normalize_value(argv[0], argv[1]);
593 ret = git_config_set_in_file(given_config_source.file, argv[0], value);
594 if (ret == CONFIG_NOTHING_SET)
595 error("cannot overwrite multiple values with a single value\n"
596 " Use a regexp, --add or --replace-all to change %s.", argv[0]);
599 else if (actions == ACTION_SET_ALL) {
601 check_argc(argc, 2, 3);
602 value = normalize_value(argv[0], argv[1]);
603 return git_config_set_multivar_in_file(given_config_source.file,
604 argv[0], value, argv[2], 0);
606 else if (actions == ACTION_ADD) {
608 check_argc(argc, 2, 2);
609 value = normalize_value(argv[0], argv[1]);
610 return git_config_set_multivar_in_file(given_config_source.file,
612 CONFIG_REGEX_NONE, 0);
614 else if (actions == ACTION_REPLACE_ALL) {
616 check_argc(argc, 2, 3);
617 value = normalize_value(argv[0], argv[1]);
618 return git_config_set_multivar_in_file(given_config_source.file,
619 argv[0], value, argv[2], 1);
621 else if (actions == ACTION_GET) {
622 check_argc(argc, 1, 2);
623 return get_value(argv[0], argv[1]);
625 else if (actions == ACTION_GET_ALL) {
627 check_argc(argc, 1, 2);
628 return get_value(argv[0], argv[1]);
630 else if (actions == ACTION_GET_REGEXP) {
634 check_argc(argc, 1, 2);
635 return get_value(argv[0], argv[1]);
637 else if (actions == ACTION_GET_URLMATCH) {
638 check_argc(argc, 2, 2);
639 return get_urlmatch(argv[0], argv[1]);
641 else if (actions == ACTION_UNSET) {
643 check_argc(argc, 1, 2);
645 return git_config_set_multivar_in_file(given_config_source.file,
646 argv[0], NULL, argv[1], 0);
648 return git_config_set_in_file(given_config_source.file,
651 else if (actions == ACTION_UNSET_ALL) {
653 check_argc(argc, 1, 2);
654 return git_config_set_multivar_in_file(given_config_source.file,
655 argv[0], NULL, argv[1], 1);
657 else if (actions == ACTION_RENAME_SECTION) {
660 check_argc(argc, 2, 2);
661 ret = git_config_rename_section_in_file(given_config_source.file,
666 die("No such section!");
668 else if (actions == ACTION_REMOVE_SECTION) {
671 check_argc(argc, 1, 1);
672 ret = git_config_rename_section_in_file(given_config_source.file,
677 die("No such section!");
679 else if (actions == ACTION_GET_COLOR) {
680 check_argc(argc, 1, 2);
681 get_color(argv[0], argv[1]);
683 else if (actions == ACTION_GET_COLORBOOL) {
684 check_argc(argc, 1, 2);
686 color_stdout_is_tty = git_config_bool("command line", argv[1]);
687 return get_colorbool(argv[0], argc == 2);