Merge branch 'nd/doc-check-ref-format-typo' into maint
[git] / builtin / config.c
1 #include "builtin.h"
2 #include "cache.h"
3 #include "color.h"
4 #include "parse-options.h"
5 #include "urlmatch.h"
6
7 static const char *const builtin_config_usage[] = {
8         N_("git config [<options>]"),
9         NULL
10 };
11
12 static char *key;
13 static regex_t *key_regexp;
14 static regex_t *regexp;
15 static int show_keys;
16 static int omit_values;
17 static int use_key_regexp;
18 static int do_all;
19 static int do_not_match;
20 static char delim = '=';
21 static char key_delim = ' ';
22 static char term = '\n';
23
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;
28 static int end_null;
29 static int respect_includes = -1;
30
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)
47
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)
52
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")),
84         OPT_END(),
85 };
86
87 static void check_argc(int argc, int min, int max) {
88         if (argc >= min && argc <= max)
89                 return;
90         error("wrong number of arguments");
91         usage_with_options(builtin_config_usage, builtin_config_options);
92 }
93
94 static int show_all_config(const char *key_, const char *value_, void *cb)
95 {
96         if (!omit_values && value_)
97                 printf("%s%c%s%c", key_, delim, value_, term);
98         else
99                 printf("%s%c", key_, term);
100         return 0;
101 }
102
103 struct strbuf_list {
104         struct strbuf *items;
105         int nr;
106         int alloc;
107 };
108
109 static int format_config(struct strbuf *buf, const char *key_, const char *value_)
110 {
111         if (show_keys)
112                 strbuf_addstr(buf, key_);
113         if (!omit_values) {
114                 if (show_keys)
115                         strbuf_addch(buf, key_delim);
116
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_) ?
122                                       "true" : "false");
123                 else if (types == TYPE_BOOL_OR_INT) {
124                         int is_bool, v;
125                         v = git_config_bool_or_int(key_, value_, &is_bool);
126                         if (is_bool)
127                                 strbuf_addstr(buf, v ? "true" : "false");
128                         else
129                                 strbuf_addf(buf, "%d", v);
130                 } else if (types == TYPE_PATH) {
131                         const char *v;
132                         if (git_config_pathname(&v, key_, value_) < 0)
133                                 return -1;
134                         strbuf_addstr(buf, v);
135                         free((char *)v);
136                 } else if (value_) {
137                         strbuf_addstr(buf, value_);
138                 } else {
139                         /* Just show the key name; back out delimiter */
140                         if (show_keys)
141                                 strbuf_setlen(buf, buf->len - 1);
142                 }
143         }
144         strbuf_addch(buf, term);
145         return 0;
146 }
147
148 static int collect_config(const char *key_, const char *value_, void *cb)
149 {
150         struct strbuf_list *values = cb;
151
152         if (!use_key_regexp && strcmp(key_, key))
153                 return 0;
154         if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
155                 return 0;
156         if (regexp != NULL &&
157             (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
158                 return 0;
159
160         ALLOC_GROW(values->items, values->nr + 1, values->alloc);
161         strbuf_init(&values->items[values->nr], 0);
162
163         return format_config(&values->items[values->nr++], key_, value_);
164 }
165
166 static int get_value(const char *key_, const char *regex_)
167 {
168         int ret = CONFIG_GENERIC_ERROR;
169         struct strbuf_list values = {NULL};
170         int i;
171
172         if (use_key_regexp) {
173                 char *tl;
174
175                 /*
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.
179                  */
180
181                 key = xstrdup(key_);
182                 for (tl = key + strlen(key) - 1;
183                      tl >= key && *tl != '.';
184                      tl--)
185                         *tl = tolower(*tl);
186                 for (tl = key; *tl && *tl != '.'; tl++)
187                         *tl = tolower(*tl);
188
189                 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
190                 if (regcomp(key_regexp, key, REG_EXTENDED)) {
191                         error("invalid key pattern: %s", key_);
192                         free(key_regexp);
193                         key_regexp = NULL;
194                         ret = CONFIG_INVALID_PATTERN;
195                         goto free_strings;
196                 }
197         } else {
198                 if (git_config_parse_key(key_, &key, NULL)) {
199                         ret = CONFIG_INVALID_KEY;
200                         goto free_strings;
201                 }
202         }
203
204         if (regex_) {
205                 if (regex_[0] == '!') {
206                         do_not_match = 1;
207                         regex_++;
208                 }
209
210                 regexp = (regex_t*)xmalloc(sizeof(regex_t));
211                 if (regcomp(regexp, regex_, REG_EXTENDED)) {
212                         error("invalid pattern: %s", regex_);
213                         free(regexp);
214                         regexp = NULL;
215                         ret = CONFIG_INVALID_PATTERN;
216                         goto free_strings;
217                 }
218         }
219
220         git_config_with_options(collect_config, &values,
221                                 &given_config_source, respect_includes);
222
223         ret = !values.nr;
224
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);
229                 strbuf_release(buf);
230         }
231         free(values.items);
232
233 free_strings:
234         free(key);
235         if (key_regexp) {
236                 regfree(key_regexp);
237                 free(key_regexp);
238         }
239         if (regexp) {
240                 regfree(regexp);
241                 free(regexp);
242         }
243
244         return ret;
245 }
246
247 static char *normalize_value(const char *key, const char *value)
248 {
249         char *normalized;
250
251         if (!value)
252                 return NULL;
253
254         if (types == 0 || types == TYPE_PATH)
255                 /*
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.
260                  */
261                 normalized = xstrdup(value);
262         else {
263                 normalized = xmalloc(64);
264                 if (types == TYPE_INT) {
265                         int64_t v = git_config_int64(key, value);
266                         sprintf(normalized, "%"PRId64, v);
267                 }
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) {
272                         int is_bool, v;
273                         v = git_config_bool_or_int(key, value, &is_bool);
274                         if (!is_bool)
275                                 sprintf(normalized, "%d", v);
276                         else
277                                 sprintf(normalized, "%s", v ? "true" : "false");
278                 }
279         }
280
281         return normalized;
282 }
283
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];
288
289 static int git_get_color_config(const char *var, const char *value, void *cb)
290 {
291         if (!strcmp(var, get_color_slot)) {
292                 if (!value)
293                         config_error_nonbool(var);
294                 if (color_parse(value, parsed_color) < 0)
295                         return -1;
296                 get_color_found = 1;
297         }
298         return 0;
299 }
300
301 static void get_color(const char *var, const char *def_color)
302 {
303         get_color_slot = var;
304         get_color_found = 0;
305         parsed_color[0] = '\0';
306         git_config_with_options(git_get_color_config, NULL,
307                                 &given_config_source, respect_includes);
308
309         if (!get_color_found && def_color) {
310                 if (color_parse(def_color, parsed_color) < 0)
311                         die(_("unable to parse default color value"));
312         }
313
314         fputs(parsed_color, stdout);
315 }
316
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,
321                 void *cb)
322 {
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);
329         return 0;
330 }
331
332 static int get_colorbool(const char *var, int print)
333 {
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);
340
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;
346         }
347
348         if (get_colorbool_found < 0)
349                 /* default value if none found in config */
350                 get_colorbool_found = GIT_COLOR_AUTO;
351
352         get_colorbool_found = want_color(get_colorbool_found);
353
354         if (print) {
355                 printf("%s\n", get_colorbool_found ? "true" : "false");
356                 return 0;
357         } else
358                 return get_colorbool_found ? 0 : 1;
359 }
360
361 static void check_write(void)
362 {
363         if (given_config_source.use_stdin)
364                 die("writing to stdin is not supported");
365
366         if (given_config_source.blob)
367                 die("writing config blobs is not supported");
368 }
369
370 struct urlmatch_current_candidate_value {
371         char value_is_null;
372         struct strbuf value;
373 };
374
375 static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
376 {
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;
380
381         if (!matched) {
382                 matched = xmalloc(sizeof(*matched));
383                 strbuf_init(&matched->value, 0);
384                 item->util = matched;
385         } else {
386                 strbuf_reset(&matched->value);
387         }
388
389         if (value) {
390                 strbuf_addstr(&matched->value, value);
391                 matched->value_is_null = 0;
392         } else {
393                 matched->value_is_null = 1;
394         }
395         return 0;
396 }
397
398 static int get_urlmatch(const char *var, const char *url)
399 {
400         char *section_tail;
401         struct string_list_item *item;
402         struct urlmatch_config config = { STRING_LIST_INIT_DUP };
403         struct string_list values = STRING_LIST_INIT_DUP;
404
405         config.collect_fn = urlmatch_collect_fn;
406         config.cascade_fn = NULL;
407         config.cb = &values;
408
409         if (!url_normalize(url, &config.url))
410                 die("%s", config.url.err);
411
412         config.section = xstrdup_tolower(var);
413         section_tail = strchr(config.section, '.');
414         if (section_tail) {
415                 *section_tail = '\0';
416                 config.key = section_tail + 1;
417                 show_keys = 0;
418         } else {
419                 config.key = NULL;
420                 show_keys = 1;
421         }
422
423         git_config_with_options(urlmatch_config_entry, &config,
424                                 &given_config_source, respect_includes);
425
426         for_each_string_list_item(item, &values) {
427                 struct urlmatch_current_candidate_value *matched = item->util;
428                 struct strbuf buf = STRBUF_INIT;
429
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);
434
435                 strbuf_release(&matched->value);
436         }
437         string_list_clear(&config.vars, 1);
438         string_list_clear(&values, 1);
439         free(config.url.url);
440
441         free((void *)config.section);
442         return 0;
443 }
444
445 static char *default_user_config(void)
446 {
447         struct strbuf buf = STRBUF_INIT;
448         strbuf_addf(&buf,
449                     _("# This is Git's per-user configuration file.\n"
450                       "[user]\n"
451                       "# Please adapt and uncomment the following lines:\n"
452                       "#        name = %s\n"
453                       "#        email = %s\n"),
454                     ident_default_name(),
455                     ident_default_email());
456         return strbuf_detach(&buf, NULL);
457 }
458
459 int cmd_config(int argc, const char **argv, const char *prefix)
460 {
461         int nongit = !startup_info->have_repository;
462         char *value;
463
464         given_config_source.file = getenv(CONFIG_ENVIRONMENT);
465
466         argc = parse_options(argc, argv, prefix, builtin_config_options,
467                              builtin_config_usage,
468                              PARSE_OPT_STOP_AT_NON_OPTION);
469
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);
474         }
475
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;
480         }
481
482         if (use_global_config) {
483                 char *user_config = expand_user_path("~/.gitconfig");
484                 char *xdg_config = xdg_config_home("config");
485
486                 if (!user_config)
487                         /*
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.
492                          */
493                         die("$HOME not set");
494
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;
498                 else
499                         given_config_source.file = user_config;
500         }
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,
509                                                         strlen(prefix),
510                                                         given_config_source.file));
511         }
512
513         if (respect_includes == -1)
514                 respect_includes = !given_config_source.file;
515
516         if (end_null) {
517                 term = '\0';
518                 delim = '\n';
519                 key_delim = '\n';
520         }
521
522         if (HAS_MULTI_BITS(types)) {
523                 error("only one type at a time.");
524                 usage_with_options(builtin_config_usage, builtin_config_options);
525         }
526
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);
530         }
531
532         if (HAS_MULTI_BITS(actions)) {
533                 error("only one action at a time.");
534                 usage_with_options(builtin_config_usage, builtin_config_options);
535         }
536         if (actions == 0)
537                 switch (argc) {
538                 case 1: actions = ACTION_GET; break;
539                 case 2: actions = ACTION_SET; break;
540                 case 3: actions = ACTION_SET_ALL; break;
541                 default:
542                         usage_with_options(builtin_config_usage, builtin_config_options);
543                 }
544         if (omit_values &&
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);
548         }
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);
557                         else
558                                 die("error processing config file(s)");
559                 }
560         }
561         else if (actions == ACTION_EDIT) {
562                 char *config_file;
563
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);
576                         if (fd) {
577                                 char *content = default_user_config();
578                                 write_str_in_full(fd, content);
579                                 free(content);
580                                 close(fd);
581                         }
582                         else if (errno != EEXIST)
583                                 die_errno(_("cannot create configuration file %s"), config_file);
584                 }
585                 launch_editor(config_file, NULL, NULL);
586                 free(config_file);
587         }
588         else if (actions == ACTION_SET) {
589                 int ret;
590                 check_write();
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]);
597                 return ret;
598         }
599         else if (actions == ACTION_SET_ALL) {
600                 check_write();
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);
605         }
606         else if (actions == ACTION_ADD) {
607                 check_write();
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,
611                                                        argv[0], value,
612                                                        CONFIG_REGEX_NONE, 0);
613         }
614         else if (actions == ACTION_REPLACE_ALL) {
615                 check_write();
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);
620         }
621         else if (actions == ACTION_GET) {
622                 check_argc(argc, 1, 2);
623                 return get_value(argv[0], argv[1]);
624         }
625         else if (actions == ACTION_GET_ALL) {
626                 do_all = 1;
627                 check_argc(argc, 1, 2);
628                 return get_value(argv[0], argv[1]);
629         }
630         else if (actions == ACTION_GET_REGEXP) {
631                 show_keys = 1;
632                 use_key_regexp = 1;
633                 do_all = 1;
634                 check_argc(argc, 1, 2);
635                 return get_value(argv[0], argv[1]);
636         }
637         else if (actions == ACTION_GET_URLMATCH) {
638                 check_argc(argc, 2, 2);
639                 return get_urlmatch(argv[0], argv[1]);
640         }
641         else if (actions == ACTION_UNSET) {
642                 check_write();
643                 check_argc(argc, 1, 2);
644                 if (argc == 2)
645                         return git_config_set_multivar_in_file(given_config_source.file,
646                                                                argv[0], NULL, argv[1], 0);
647                 else
648                         return git_config_set_in_file(given_config_source.file,
649                                                       argv[0], NULL);
650         }
651         else if (actions == ACTION_UNSET_ALL) {
652                 check_write();
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);
656         }
657         else if (actions == ACTION_RENAME_SECTION) {
658                 int ret;
659                 check_write();
660                 check_argc(argc, 2, 2);
661                 ret = git_config_rename_section_in_file(given_config_source.file,
662                                                         argv[0], argv[1]);
663                 if (ret < 0)
664                         return ret;
665                 if (ret == 0)
666                         die("No such section!");
667         }
668         else if (actions == ACTION_REMOVE_SECTION) {
669                 int ret;
670                 check_write();
671                 check_argc(argc, 1, 1);
672                 ret = git_config_rename_section_in_file(given_config_source.file,
673                                                         argv[0], NULL);
674                 if (ret < 0)
675                         return ret;
676                 if (ret == 0)
677                         die("No such section!");
678         }
679         else if (actions == ACTION_GET_COLOR) {
680                 check_argc(argc, 1, 2);
681                 get_color(argv[0], argv[1]);
682         }
683         else if (actions == ACTION_GET_COLORBOOL) {
684                 check_argc(argc, 1, 2);
685                 if (argc == 2)
686                         color_stdout_is_tty = git_config_bool("command line", argv[1]);
687                 return get_colorbool(argv[0], argc == 2);
688         }
689
690         return 0;
691 }