Sync with 2.15.4
[git] / builtin / config.c
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
9 static const char *const builtin_config_usage[] = {
10         N_("git config [<options>]"),
11         NULL
12 };
13
14 static char *key;
15 static regex_t *key_regexp;
16 static regex_t *regexp;
17 static int show_keys;
18 static int omit_values;
19 static int use_key_regexp;
20 static int do_all;
21 static int do_not_match;
22 static char delim = '=';
23 static char key_delim = ' ';
24 static char term = '\n';
25
26 static int use_global_config, use_system_config, use_local_config;
27 static struct git_config_source given_config_source;
28 static int actions, types;
29 static int end_null;
30 static int respect_includes_opt = -1;
31 static struct config_options config_options;
32 static int show_origin;
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)
49 #define ACTION_GET_URLMATCH (1<<15)
50
51 #define TYPE_BOOL (1<<0)
52 #define TYPE_INT (1<<1)
53 #define TYPE_BOOL_OR_INT (1<<2)
54 #define TYPE_PATH (1<<3)
55 #define TYPE_EXPIRY_DATE (1<<4)
56
57 static struct option builtin_config_options[] = {
58         OPT_GROUP(N_("Config file location")),
59         OPT_BOOL(0, "global", &use_global_config, N_("use global config file")),
60         OPT_BOOL(0, "system", &use_system_config, N_("use system config file")),
61         OPT_BOOL(0, "local", &use_local_config, N_("use repository config file")),
62         OPT_STRING('f', "file", &given_config_source.file, N_("file"), N_("use given config file")),
63         OPT_STRING(0, "blob", &given_config_source.blob, N_("blob-id"), N_("read config from given blob object")),
64         OPT_GROUP(N_("Action")),
65         OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
66         OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
67         OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
68         OPT_BIT(0, "get-urlmatch", &actions, N_("get value specific for the URL: section[.var] URL"), ACTION_GET_URLMATCH),
69         OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
70         OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
71         OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
72         OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL),
73         OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
74         OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
75         OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
76         OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
77         OPT_BIT(0, "get-color", &actions, N_("find the color configured: slot [default]"), ACTION_GET_COLOR),
78         OPT_BIT(0, "get-colorbool", &actions, N_("find the color setting: slot [stdout-is-tty]"), ACTION_GET_COLORBOOL),
79         OPT_GROUP(N_("Type")),
80         OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
81         OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
82         OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
83         OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
84         OPT_BIT(0, "expiry-date", &types, N_("value is an expiry date"), TYPE_EXPIRY_DATE),
85         OPT_GROUP(N_("Other")),
86         OPT_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")),
87         OPT_BOOL(0, "name-only", &omit_values, N_("show variable names only")),
88         OPT_BOOL(0, "includes", &respect_includes_opt, N_("respect include directives on lookup")),
89         OPT_BOOL(0, "show-origin", &show_origin, N_("show origin of config (file, standard input, blob, command line)")),
90         OPT_END(),
91 };
92
93 static void check_argc(int argc, int min, int max) {
94         if (argc >= min && argc <= max)
95                 return;
96         error("wrong number of arguments");
97         usage_with_options(builtin_config_usage, builtin_config_options);
98 }
99
100 static void show_config_origin(struct strbuf *buf)
101 {
102         const char term = end_null ? '\0' : '\t';
103
104         strbuf_addstr(buf, current_config_origin_type());
105         strbuf_addch(buf, ':');
106         if (end_null)
107                 strbuf_addstr(buf, current_config_name());
108         else
109                 quote_c_style(current_config_name(), buf, NULL, 0);
110         strbuf_addch(buf, term);
111 }
112
113 static int show_all_config(const char *key_, const char *value_, void *cb)
114 {
115         if (show_origin) {
116                 struct strbuf buf = STRBUF_INIT;
117                 show_config_origin(&buf);
118                 /* Use fwrite as "buf" can contain \0's if "end_null" is set. */
119                 fwrite(buf.buf, 1, buf.len, stdout);
120                 strbuf_release(&buf);
121         }
122         if (!omit_values && value_)
123                 printf("%s%c%s%c", key_, delim, value_, term);
124         else
125                 printf("%s%c", key_, term);
126         return 0;
127 }
128
129 struct strbuf_list {
130         struct strbuf *items;
131         int nr;
132         int alloc;
133 };
134
135 static int format_config(struct strbuf *buf, const char *key_, const char *value_)
136 {
137         if (show_origin)
138                 show_config_origin(buf);
139         if (show_keys)
140                 strbuf_addstr(buf, key_);
141         if (!omit_values) {
142                 if (show_keys)
143                         strbuf_addch(buf, key_delim);
144
145                 if (types == TYPE_INT)
146                         strbuf_addf(buf, "%"PRId64,
147                                     git_config_int64(key_, value_ ? value_ : ""));
148                 else if (types == TYPE_BOOL)
149                         strbuf_addstr(buf, git_config_bool(key_, value_) ?
150                                       "true" : "false");
151                 else if (types == TYPE_BOOL_OR_INT) {
152                         int is_bool, v;
153                         v = git_config_bool_or_int(key_, value_, &is_bool);
154                         if (is_bool)
155                                 strbuf_addstr(buf, v ? "true" : "false");
156                         else
157                                 strbuf_addf(buf, "%d", v);
158                 } else if (types == TYPE_PATH) {
159                         const char *v;
160                         if (git_config_pathname(&v, key_, value_) < 0)
161                                 return -1;
162                         strbuf_addstr(buf, v);
163                         free((char *)v);
164                 } else if (types == TYPE_EXPIRY_DATE) {
165                         timestamp_t t;
166                         if (git_config_expiry_date(&t, key_, value_) < 0)
167                                 return -1;
168                         strbuf_addf(buf, "%"PRItime, t);
169                 } else if (value_) {
170                         strbuf_addstr(buf, value_);
171                 } else {
172                         /* Just show the key name; back out delimiter */
173                         if (show_keys)
174                                 strbuf_setlen(buf, buf->len - 1);
175                 }
176         }
177         strbuf_addch(buf, term);
178         return 0;
179 }
180
181 static int collect_config(const char *key_, const char *value_, void *cb)
182 {
183         struct strbuf_list *values = cb;
184
185         if (!use_key_regexp && strcmp(key_, key))
186                 return 0;
187         if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
188                 return 0;
189         if (regexp != NULL &&
190             (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
191                 return 0;
192
193         ALLOC_GROW(values->items, values->nr + 1, values->alloc);
194         strbuf_init(&values->items[values->nr], 0);
195
196         return format_config(&values->items[values->nr++], key_, value_);
197 }
198
199 static int get_value(const char *key_, const char *regex_)
200 {
201         int ret = CONFIG_GENERIC_ERROR;
202         struct strbuf_list values = {NULL};
203         int i;
204
205         if (use_key_regexp) {
206                 char *tl;
207
208                 /*
209                  * NEEDSWORK: this naive pattern lowercasing obviously does not
210                  * work for more complex patterns like "^[^.]*Foo.*bar".
211                  * Perhaps we should deprecate this altogether someday.
212                  */
213
214                 key = xstrdup(key_);
215                 for (tl = key + strlen(key) - 1;
216                      tl >= key && *tl != '.';
217                      tl--)
218                         *tl = tolower(*tl);
219                 for (tl = key; *tl && *tl != '.'; tl++)
220                         *tl = tolower(*tl);
221
222                 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
223                 if (regcomp(key_regexp, key, REG_EXTENDED)) {
224                         error("invalid key pattern: %s", key_);
225                         FREE_AND_NULL(key_regexp);
226                         ret = CONFIG_INVALID_PATTERN;
227                         goto free_strings;
228                 }
229         } else {
230                 if (git_config_parse_key(key_, &key, NULL)) {
231                         ret = CONFIG_INVALID_KEY;
232                         goto free_strings;
233                 }
234         }
235
236         if (regex_) {
237                 if (regex_[0] == '!') {
238                         do_not_match = 1;
239                         regex_++;
240                 }
241
242                 regexp = (regex_t*)xmalloc(sizeof(regex_t));
243                 if (regcomp(regexp, regex_, REG_EXTENDED)) {
244                         error("invalid pattern: %s", regex_);
245                         FREE_AND_NULL(regexp);
246                         ret = CONFIG_INVALID_PATTERN;
247                         goto free_strings;
248                 }
249         }
250
251         config_with_options(collect_config, &values,
252                             &given_config_source, &config_options);
253
254         ret = !values.nr;
255
256         for (i = 0; i < values.nr; i++) {
257                 struct strbuf *buf = values.items + i;
258                 if (do_all || i == values.nr - 1)
259                         fwrite(buf->buf, 1, buf->len, stdout);
260                 strbuf_release(buf);
261         }
262         free(values.items);
263
264 free_strings:
265         free(key);
266         if (key_regexp) {
267                 regfree(key_regexp);
268                 free(key_regexp);
269         }
270         if (regexp) {
271                 regfree(regexp);
272                 free(regexp);
273         }
274
275         return ret;
276 }
277
278 static char *normalize_value(const char *key, const char *value)
279 {
280         if (!value)
281                 return NULL;
282
283         if (types == 0 || types == TYPE_PATH || types == TYPE_EXPIRY_DATE)
284                 /*
285                  * We don't do normalization for TYPE_PATH here: If
286                  * the path is like ~/foobar/, we prefer to store
287                  * "~/foobar/" in the config file, and to expand the ~
288                  * when retrieving the value.
289                  * Also don't do normalization for expiry dates.
290                  */
291                 return xstrdup(value);
292         if (types == TYPE_INT)
293                 return xstrfmt("%"PRId64, git_config_int64(key, value));
294         if (types == TYPE_BOOL)
295                 return xstrdup(git_config_bool(key, value) ?  "true" : "false");
296         if (types == TYPE_BOOL_OR_INT) {
297                 int is_bool, v;
298                 v = git_config_bool_or_int(key, value, &is_bool);
299                 if (!is_bool)
300                         return xstrfmt("%d", v);
301                 else
302                         return xstrdup(v ? "true" : "false");
303         }
304
305         die("BUG: cannot normalize type %d", types);
306 }
307
308 static int get_color_found;
309 static const char *get_color_slot;
310 static const char *get_colorbool_slot;
311 static char parsed_color[COLOR_MAXLEN];
312
313 static int git_get_color_config(const char *var, const char *value, void *cb)
314 {
315         if (!strcmp(var, get_color_slot)) {
316                 if (!value)
317                         config_error_nonbool(var);
318                 if (color_parse(value, parsed_color) < 0)
319                         return -1;
320                 get_color_found = 1;
321         }
322         return 0;
323 }
324
325 static void get_color(const char *var, const char *def_color)
326 {
327         get_color_slot = var;
328         get_color_found = 0;
329         parsed_color[0] = '\0';
330         config_with_options(git_get_color_config, NULL,
331                             &given_config_source, &config_options);
332
333         if (!get_color_found && def_color) {
334                 if (color_parse(def_color, parsed_color) < 0)
335                         die(_("unable to parse default color value"));
336         }
337
338         fputs(parsed_color, stdout);
339 }
340
341 static int get_colorbool_found;
342 static int get_diff_color_found;
343 static int get_color_ui_found;
344 static int git_get_colorbool_config(const char *var, const char *value,
345                 void *cb)
346 {
347         if (!strcmp(var, get_colorbool_slot))
348                 get_colorbool_found = git_config_colorbool(var, value);
349         else if (!strcmp(var, "diff.color"))
350                 get_diff_color_found = git_config_colorbool(var, value);
351         else if (!strcmp(var, "color.ui"))
352                 get_color_ui_found = git_config_colorbool(var, value);
353         return 0;
354 }
355
356 static int get_colorbool(const char *var, int print)
357 {
358         get_colorbool_slot = var;
359         get_colorbool_found = -1;
360         get_diff_color_found = -1;
361         get_color_ui_found = -1;
362         config_with_options(git_get_colorbool_config, NULL,
363                             &given_config_source, &config_options);
364
365         if (get_colorbool_found < 0) {
366                 if (!strcmp(get_colorbool_slot, "color.diff"))
367                         get_colorbool_found = get_diff_color_found;
368                 if (get_colorbool_found < 0)
369                         get_colorbool_found = get_color_ui_found;
370         }
371
372         if (get_colorbool_found < 0)
373                 /* default value if none found in config */
374                 get_colorbool_found = GIT_COLOR_AUTO;
375
376         get_colorbool_found = want_color(get_colorbool_found);
377
378         if (print) {
379                 printf("%s\n", get_colorbool_found ? "true" : "false");
380                 return 0;
381         } else
382                 return get_colorbool_found ? 0 : 1;
383 }
384
385 static void check_write(void)
386 {
387         if (!given_config_source.file && !startup_info->have_repository)
388                 die("not in a git directory");
389
390         if (given_config_source.use_stdin)
391                 die("writing to stdin is not supported");
392
393         if (given_config_source.blob)
394                 die("writing config blobs is not supported");
395 }
396
397 struct urlmatch_current_candidate_value {
398         char value_is_null;
399         struct strbuf value;
400 };
401
402 static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
403 {
404         struct string_list *values = cb;
405         struct string_list_item *item = string_list_insert(values, var);
406         struct urlmatch_current_candidate_value *matched = item->util;
407
408         if (!matched) {
409                 matched = xmalloc(sizeof(*matched));
410                 strbuf_init(&matched->value, 0);
411                 item->util = matched;
412         } else {
413                 strbuf_reset(&matched->value);
414         }
415
416         if (value) {
417                 strbuf_addstr(&matched->value, value);
418                 matched->value_is_null = 0;
419         } else {
420                 matched->value_is_null = 1;
421         }
422         return 0;
423 }
424
425 static int get_urlmatch(const char *var, const char *url)
426 {
427         int ret;
428         char *section_tail;
429         struct string_list_item *item;
430         struct urlmatch_config config = { STRING_LIST_INIT_DUP };
431         struct string_list values = STRING_LIST_INIT_DUP;
432
433         config.collect_fn = urlmatch_collect_fn;
434         config.cascade_fn = NULL;
435         config.cb = &values;
436
437         if (!url_normalize(url, &config.url))
438                 die("%s", config.url.err);
439
440         config.section = xstrdup_tolower(var);
441         section_tail = strchr(config.section, '.');
442         if (section_tail) {
443                 *section_tail = '\0';
444                 config.key = section_tail + 1;
445                 show_keys = 0;
446         } else {
447                 config.key = NULL;
448                 show_keys = 1;
449         }
450
451         config_with_options(urlmatch_config_entry, &config,
452                             &given_config_source, &config_options);
453
454         ret = !values.nr;
455
456         for_each_string_list_item(item, &values) {
457                 struct urlmatch_current_candidate_value *matched = item->util;
458                 struct strbuf buf = STRBUF_INIT;
459
460                 format_config(&buf, item->string,
461                               matched->value_is_null ? NULL : matched->value.buf);
462                 fwrite(buf.buf, 1, buf.len, stdout);
463                 strbuf_release(&buf);
464
465                 strbuf_release(&matched->value);
466         }
467         string_list_clear(&config.vars, 1);
468         string_list_clear(&values, 1);
469         free(config.url.url);
470
471         free((void *)config.section);
472         return ret;
473 }
474
475 static char *default_user_config(void)
476 {
477         struct strbuf buf = STRBUF_INIT;
478         strbuf_addf(&buf,
479                     _("# This is Git's per-user configuration file.\n"
480                       "[user]\n"
481                       "# Please adapt and uncomment the following lines:\n"
482                       "#        name = %s\n"
483                       "#        email = %s\n"),
484                     ident_default_name(),
485                     ident_default_email());
486         return strbuf_detach(&buf, NULL);
487 }
488
489 int cmd_config(int argc, const char **argv, const char *prefix)
490 {
491         int nongit = !startup_info->have_repository;
492         char *value;
493
494         given_config_source.file = getenv(CONFIG_ENVIRONMENT);
495
496         argc = parse_options(argc, argv, prefix, builtin_config_options,
497                              builtin_config_usage,
498                              PARSE_OPT_STOP_AT_NON_OPTION);
499
500         if (use_global_config + use_system_config + use_local_config +
501             !!given_config_source.file + !!given_config_source.blob > 1) {
502                 error("only one config file at a time.");
503                 usage_with_options(builtin_config_usage, builtin_config_options);
504         }
505
506         if (use_local_config && nongit)
507                 die(_("--local can only be used inside a git repository"));
508
509         if (given_config_source.file &&
510                         !strcmp(given_config_source.file, "-")) {
511                 given_config_source.file = NULL;
512                 given_config_source.use_stdin = 1;
513         }
514
515         if (use_global_config) {
516                 char *user_config = expand_user_path("~/.gitconfig", 0);
517                 char *xdg_config = xdg_config_home("config");
518
519                 if (!user_config)
520                         /*
521                          * It is unknown if HOME/.gitconfig exists, so
522                          * we do not know if we should write to XDG
523                          * location; error out even if XDG_CONFIG_HOME
524                          * is set and points at a sane location.
525                          */
526                         die("$HOME not set");
527
528                 if (access_or_warn(user_config, R_OK, 0) &&
529                     xdg_config && !access_or_warn(xdg_config, R_OK, 0)) {
530                         given_config_source.file = xdg_config;
531                         free(user_config);
532                 } else {
533                         given_config_source.file = user_config;
534                         free(xdg_config);
535                 }
536         }
537         else if (use_system_config)
538                 given_config_source.file = git_etc_gitconfig();
539         else if (use_local_config)
540                 given_config_source.file = git_pathdup("config");
541         else if (given_config_source.file) {
542                 if (!is_absolute_path(given_config_source.file) && prefix)
543                         given_config_source.file =
544                                 prefix_filename(prefix, given_config_source.file);
545         }
546
547         if (respect_includes_opt == -1)
548                 config_options.respect_includes = !given_config_source.file;
549         else
550                 config_options.respect_includes = respect_includes_opt;
551         if (!nongit) {
552                 config_options.commondir = get_git_common_dir();
553                 config_options.git_dir = get_git_dir();
554         }
555
556         if (end_null) {
557                 term = '\0';
558                 delim = '\n';
559                 key_delim = '\n';
560         }
561
562         if (HAS_MULTI_BITS(types)) {
563                 error("only one type at a time.");
564                 usage_with_options(builtin_config_usage, builtin_config_options);
565         }
566
567         if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && types) {
568                 error("--get-color and variable type are incoherent");
569                 usage_with_options(builtin_config_usage, builtin_config_options);
570         }
571
572         if (HAS_MULTI_BITS(actions)) {
573                 error("only one action at a time.");
574                 usage_with_options(builtin_config_usage, builtin_config_options);
575         }
576         if (actions == 0)
577                 switch (argc) {
578                 case 1: actions = ACTION_GET; break;
579                 case 2: actions = ACTION_SET; break;
580                 case 3: actions = ACTION_SET_ALL; break;
581                 default:
582                         usage_with_options(builtin_config_usage, builtin_config_options);
583                 }
584         if (omit_values &&
585             !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
586                 error("--name-only is only applicable to --list or --get-regexp");
587                 usage_with_options(builtin_config_usage, builtin_config_options);
588         }
589
590         if (show_origin && !(actions &
591                 (ACTION_GET|ACTION_GET_ALL|ACTION_GET_REGEXP|ACTION_LIST))) {
592                 error("--show-origin is only applicable to --get, --get-all, "
593                           "--get-regexp, and --list.");
594                 usage_with_options(builtin_config_usage, builtin_config_options);
595         }
596
597         if (actions == ACTION_LIST) {
598                 check_argc(argc, 0, 0);
599                 if (config_with_options(show_all_config, NULL,
600                                         &given_config_source,
601                                         &config_options) < 0) {
602                         if (given_config_source.file)
603                                 die_errno("unable to read config file '%s'",
604                                           given_config_source.file);
605                         else
606                                 die("error processing config file(s)");
607                 }
608         }
609         else if (actions == ACTION_EDIT) {
610                 char *config_file;
611
612                 check_argc(argc, 0, 0);
613                 if (!given_config_source.file && nongit)
614                         die("not in a git directory");
615                 if (given_config_source.use_stdin)
616                         die("editing stdin is not supported");
617                 if (given_config_source.blob)
618                         die("editing blobs is not supported");
619                 git_config(git_default_config, NULL);
620                 config_file = given_config_source.file ?
621                                 xstrdup(given_config_source.file) :
622                                 git_pathdup("config");
623                 if (use_global_config) {
624                         int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
625                         if (fd >= 0) {
626                                 char *content = default_user_config();
627                                 write_str_in_full(fd, content);
628                                 free(content);
629                                 close(fd);
630                         }
631                         else if (errno != EEXIST)
632                                 die_errno(_("cannot create configuration file %s"), config_file);
633                 }
634                 launch_editor(config_file, NULL, NULL);
635                 free(config_file);
636         }
637         else if (actions == ACTION_SET) {
638                 int ret;
639                 check_write();
640                 check_argc(argc, 2, 2);
641                 value = normalize_value(argv[0], argv[1]);
642                 UNLEAK(value);
643                 ret = git_config_set_in_file_gently(given_config_source.file, argv[0], value);
644                 if (ret == CONFIG_NOTHING_SET)
645                         error(_("cannot overwrite multiple values with a single value\n"
646                         "       Use a regexp, --add or --replace-all to change %s."), argv[0]);
647                 return ret;
648         }
649         else if (actions == ACTION_SET_ALL) {
650                 check_write();
651                 check_argc(argc, 2, 3);
652                 value = normalize_value(argv[0], argv[1]);
653                 UNLEAK(value);
654                 return git_config_set_multivar_in_file_gently(given_config_source.file,
655                                                               argv[0], value, argv[2], 0);
656         }
657         else if (actions == ACTION_ADD) {
658                 check_write();
659                 check_argc(argc, 2, 2);
660                 value = normalize_value(argv[0], argv[1]);
661                 UNLEAK(value);
662                 return git_config_set_multivar_in_file_gently(given_config_source.file,
663                                                               argv[0], value,
664                                                               CONFIG_REGEX_NONE, 0);
665         }
666         else if (actions == ACTION_REPLACE_ALL) {
667                 check_write();
668                 check_argc(argc, 2, 3);
669                 value = normalize_value(argv[0], argv[1]);
670                 UNLEAK(value);
671                 return git_config_set_multivar_in_file_gently(given_config_source.file,
672                                                               argv[0], value, argv[2], 1);
673         }
674         else if (actions == ACTION_GET) {
675                 check_argc(argc, 1, 2);
676                 return get_value(argv[0], argv[1]);
677         }
678         else if (actions == ACTION_GET_ALL) {
679                 do_all = 1;
680                 check_argc(argc, 1, 2);
681                 return get_value(argv[0], argv[1]);
682         }
683         else if (actions == ACTION_GET_REGEXP) {
684                 show_keys = 1;
685                 use_key_regexp = 1;
686                 do_all = 1;
687                 check_argc(argc, 1, 2);
688                 return get_value(argv[0], argv[1]);
689         }
690         else if (actions == ACTION_GET_URLMATCH) {
691                 check_argc(argc, 2, 2);
692                 return get_urlmatch(argv[0], argv[1]);
693         }
694         else if (actions == ACTION_UNSET) {
695                 check_write();
696                 check_argc(argc, 1, 2);
697                 if (argc == 2)
698                         return git_config_set_multivar_in_file_gently(given_config_source.file,
699                                                                       argv[0], NULL, argv[1], 0);
700                 else
701                         return git_config_set_in_file_gently(given_config_source.file,
702                                                              argv[0], NULL);
703         }
704         else if (actions == ACTION_UNSET_ALL) {
705                 check_write();
706                 check_argc(argc, 1, 2);
707                 return git_config_set_multivar_in_file_gently(given_config_source.file,
708                                                               argv[0], NULL, argv[1], 1);
709         }
710         else if (actions == ACTION_RENAME_SECTION) {
711                 int ret;
712                 check_write();
713                 check_argc(argc, 2, 2);
714                 ret = git_config_rename_section_in_file(given_config_source.file,
715                                                         argv[0], argv[1]);
716                 if (ret < 0)
717                         return ret;
718                 if (ret == 0)
719                         die("No such section!");
720         }
721         else if (actions == ACTION_REMOVE_SECTION) {
722                 int ret;
723                 check_write();
724                 check_argc(argc, 1, 1);
725                 ret = git_config_rename_section_in_file(given_config_source.file,
726                                                         argv[0], NULL);
727                 if (ret < 0)
728                         return ret;
729                 if (ret == 0)
730                         die("No such section!");
731         }
732         else if (actions == ACTION_GET_COLOR) {
733                 check_argc(argc, 1, 2);
734                 get_color(argv[0], argv[1]);
735         }
736         else if (actions == ACTION_GET_COLORBOOL) {
737                 check_argc(argc, 1, 2);
738                 if (argc == 2)
739                         color_stdout_is_tty = git_config_bool("command line", argv[1]);
740                 return get_colorbool(argv[0], argc == 2);
741         }
742
743         return 0;
744 }