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         strbuf_init(buf, 0);
 112
 113         if (show_keys)
 114                 strbuf_addstr(buf, key_);
 115         if (!omit_values) {
 116                 int must_free_vptr = 0;
 117                 int must_add_delim = show_keys;
 118                 char value[256];
 119                 const char *vptr = value;
 120
 121                 if (types == TYPE_INT)
 122                         sprintf(value, "%"PRId64,
 123                                 git_config_int64(key_, value_ ? value_ : ""));
 124                 else if (types == TYPE_BOOL)
 125                         vptr = git_config_bool(key_, value_) ? "true" : "false";
 126                 else if (types == TYPE_BOOL_OR_INT) {
 127                         int is_bool, v;
 128                         v = git_config_bool_or_int(key_, value_, &is_bool);
 129                         if (is_bool)
 130                                 vptr = v ? "true" : "false";
 131                         else
 132                                 sprintf(value, "%d", v);
 133                 } else if (types == TYPE_PATH) {
 134                         if (git_config_pathname(&vptr, key_, value_) < 0)
 135                                 return -1;
 136                         must_free_vptr = 1;
 137                 } else if (value_) {
 138                         vptr = value_;
 139                 } else {
 140                         /* Just show the key name */
 141                         vptr = "";
 142                         must_add_delim = 0;
 143                 }
 144
 145                 if (must_add_delim)
 146                         strbuf_addch(buf, key_delim);
 147                 strbuf_addstr(buf, vptr);
 148
 149                 if (must_free_vptr)
 150                         free((char *)vptr);
 151         }
 152         strbuf_addch(buf, term);
 153         return 0;
 154 }
 155
 156 static int collect_config(const char *key_, const char *value_, void *cb)
 157 {
 158         struct strbuf_list *values = cb;
 159
 160         if (!use_key_regexp && strcmp(key_, key))
 161                 return 0;
 162         if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
 163                 return 0;
 164         if (regexp != NULL &&
 165             (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
 166                 return 0;
 167
 168         ALLOC_GROW(values->items, values->nr + 1, values->alloc);
 169
 170         return format_config(&values->items[values->nr++], key_, value_);
 171 }
 172
 173 static int get_value(const char *key_, const char *regex_)
 174 {
 175         int ret = CONFIG_GENERIC_ERROR;
 176         struct strbuf_list values = {NULL};
 177         int i;
 178
 179         if (use_key_regexp) {
 180                 char *tl;
 181
 182                 /*
 183                  * NEEDSWORK: this naive pattern lowercasing obviously does not
 184                  * work for more complex patterns like "^[^.]*Foo.*bar".
 185                  * Perhaps we should deprecate this altogether someday.
 186                  */
 187
 188                 key = xstrdup(key_);
 189                 for (tl = key + strlen(key) - 1;
 190                      tl >= key && *tl != '.';
 191                      tl--)
 192                         *tl = tolower(*tl);
 193                 for (tl = key; *tl && *tl != '.'; tl++)
 194                         *tl = tolower(*tl);
 195
 196                 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
 197                 if (regcomp(key_regexp, key, REG_EXTENDED)) {
 198                         error("invalid key pattern: %s", key_);
 199                         free(key_regexp);
 200                         key_regexp = NULL;
 201                         ret = CONFIG_INVALID_PATTERN;
 202                         goto free_strings;
 203                 }
 204         } else {
 205                 if (git_config_parse_key(key_, &key, NULL)) {
 206                         ret = CONFIG_INVALID_KEY;
 207                         goto free_strings;
 208                 }
 209         }
 210
 211         if (regex_) {
 212                 if (regex_[0] == '!') {
 213                         do_not_match = 1;
 214                         regex_++;
 215                 }
 216
 217                 regexp = (regex_t*)xmalloc(sizeof(regex_t));
 218                 if (regcomp(regexp, regex_, REG_EXTENDED)) {
 219                         error("invalid pattern: %s", regex_);
 220                         free(regexp);
 221                         regexp = NULL;
 222                         ret = CONFIG_INVALID_PATTERN;
 223                         goto free_strings;
 224                 }
 225         }
 226
 227         git_config_with_options(collect_config, &values,
 228                                 &given_config_source, respect_includes);
 229
 230         ret = !values.nr;
 231
 232         for (i = 0; i < values.nr; i++) {
 233                 struct strbuf *buf = values.items + i;
 234                 if (do_all || i == values.nr - 1)
 235                         fwrite(buf->buf, 1, buf->len, stdout);
 236                 strbuf_release(buf);
 237         }
 238         free(values.items);
 239
 240 free_strings:
 241         free(key);
 242         if (key_regexp) {
 243                 regfree(key_regexp);
 244                 free(key_regexp);
 245         }
 246         if (regexp) {
 247                 regfree(regexp);
 248                 free(regexp);
 249         }
 250
 251         return ret;
 252 }
 253
 254 static char *normalize_value(const char *key, const char *value)
 255 {
 256         char *normalized;
 257
 258         if (!value)
 259                 return NULL;
 260
 261         if (types == 0 || types == TYPE_PATH)
 262                 /*
 263                  * We don't do normalization for TYPE_PATH here: If
 264                  * the path is like ~/foobar/, we prefer to store
 265                  * "~/foobar/" in the config file, and to expand the ~
 266                  * when retrieving the value.
 267                  */
 268                 normalized = xstrdup(value);
 269         else {
 270                 normalized = xmalloc(64);
 271                 if (types == TYPE_INT) {
 272                         int64_t v = git_config_int64(key, value);
 273                         sprintf(normalized, "%"PRId64, v);
 274                 }
 275                 else if (types == TYPE_BOOL)
 276                         sprintf(normalized, "%s",
 277                                 git_config_bool(key, value) ? "true" : "false");
 278                 else if (types == TYPE_BOOL_OR_INT) {
 279                         int is_bool, v;
 280                         v = git_config_bool_or_int(key, value, &is_bool);
 281                         if (!is_bool)
 282                                 sprintf(normalized, "%d", v);
 283                         else
 284                                 sprintf(normalized, "%s", v ? "true" : "false");
 285                 }
 286         }
 287
 288         return normalized;
 289 }
 290
 291 static int get_color_found;
 292 static const char *get_color_slot;
 293 static const char *get_colorbool_slot;
 294 static char parsed_color[COLOR_MAXLEN];
 295
 296 static int git_get_color_config(const char *var, const char *value, void *cb)
 297 {
 298         if (!strcmp(var, get_color_slot)) {
 299                 if (!value)
 300                         config_error_nonbool(var);
 301                 if (color_parse(value, parsed_color) < 0)
 302                         return -1;
 303                 get_color_found = 1;
 304         }
 305         return 0;
 306 }
 307
 308 static void get_color(const char *var, const char *def_color)
 309 {
 310         get_color_slot = var;
 311         get_color_found = 0;
 312         parsed_color[0] = '\0';
 313         git_config_with_options(git_get_color_config, NULL,
 314                                 &given_config_source, respect_includes);
 315
 316         if (!get_color_found && def_color) {
 317                 if (color_parse(def_color, parsed_color) < 0)
 318                         die(_("unable to parse default color value"));
 319         }
 320
 321         fputs(parsed_color, stdout);
 322 }
 323
 324 static int get_colorbool_found;
 325 static int get_diff_color_found;
 326 static int get_color_ui_found;
 327 static int git_get_colorbool_config(const char *var, const char *value,
 328                 void *cb)
 329 {
 330         if (!strcmp(var, get_colorbool_slot))
 331                 get_colorbool_found = git_config_colorbool(var, value);
 332         else if (!strcmp(var, "diff.color"))
 333                 get_diff_color_found = git_config_colorbool(var, value);
 334         else if (!strcmp(var, "color.ui"))
 335                 get_color_ui_found = git_config_colorbool(var, value);
 336         return 0;
 337 }
 338
 339 static int get_colorbool(const char *var, int print)
 340 {
 341         get_colorbool_slot = var;
 342         get_colorbool_found = -1;
 343         get_diff_color_found = -1;
 344         get_color_ui_found = -1;
 345         git_config_with_options(git_get_colorbool_config, NULL,
 346                                 &given_config_source, respect_includes);
 347
 348         if (get_colorbool_found < 0) {
 349                 if (!strcmp(get_colorbool_slot, "color.diff"))
 350                         get_colorbool_found = get_diff_color_found;
 351                 if (get_colorbool_found < 0)
 352                         get_colorbool_found = get_color_ui_found;
 353         }
 354
 355         if (get_colorbool_found < 0)
 356                 /* default value if none found in config */
 357                 get_colorbool_found = GIT_COLOR_AUTO;
 358
 359         get_colorbool_found = want_color(get_colorbool_found);
 360
 361         if (print) {
 362                 printf("%s\n", get_colorbool_found ? "true" : "false");
 363                 return 0;
 364         } else
 365                 return get_colorbool_found ? 0 : 1;
 366 }
 367
 368 static void check_write(void)
 369 {
 370         if (given_config_source.use_stdin)
 371                 die("writing to stdin is not supported");
 372
 373         if (given_config_source.blob)
 374                 die("writing config blobs is not supported");
 375 }
 376
 377 struct urlmatch_current_candidate_value {
 378         char value_is_null;
 379         struct strbuf value;
 380 };
 381
 382 static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
 383 {
 384         struct string_list *values = cb;
 385         struct string_list_item *item = string_list_insert(values, var);
 386         struct urlmatch_current_candidate_value *matched = item->util;
 387
 388         if (!matched) {
 389                 matched = xmalloc(sizeof(*matched));
 390                 strbuf_init(&matched->value, 0);
 391                 item->util = matched;
 392         } else {
 393                 strbuf_reset(&matched->value);
 394         }
 395
 396         if (value) {
 397                 strbuf_addstr(&matched->value, value);
 398                 matched->value_is_null = 0;
 399         } else {
 400                 matched->value_is_null = 1;
 401         }
 402         return 0;
 403 }
 404
 405 static int get_urlmatch(const char *var, const char *url)
 406 {
 407         char *section_tail;
 408         struct string_list_item *item;
 409         struct urlmatch_config config = { STRING_LIST_INIT_DUP };
 410         struct string_list values = STRING_LIST_INIT_DUP;
 411
 412         config.collect_fn = urlmatch_collect_fn;
 413         config.cascade_fn = NULL;
 414         config.cb = &values;
 415
 416         if (!url_normalize(url, &config.url))
 417                 die("%s", config.url.err);
 418
 419         config.section = xstrdup_tolower(var);
 420         section_tail = strchr(config.section, '.');
 421         if (section_tail) {
 422                 *section_tail = '\0';
 423                 config.key = section_tail + 1;
 424                 show_keys = 0;
 425         } else {
 426                 config.key = NULL;
 427                 show_keys = 1;
 428         }
 429
 430         git_config_with_options(urlmatch_config_entry, &config,
 431                                 &given_config_source, respect_includes);
 432
 433         for_each_string_list_item(item, &values) {
 434                 struct urlmatch_current_candidate_value *matched = item->util;
 435                 struct strbuf key = STRBUF_INIT;
 436                 struct strbuf buf = STRBUF_INIT;
 437
 438                 strbuf_addstr(&key, item->string);
 439                 format_config(&buf, key.buf,
 440                               matched->value_is_null ? NULL : matched->value.buf);
 441                 fwrite(buf.buf, 1, buf.len, stdout);
 442                 strbuf_release(&key);
 443                 strbuf_release(&buf);
 444
 445                 strbuf_release(&matched->value);
 446         }
 447         string_list_clear(&config.vars, 1);
 448         string_list_clear(&values, 1);
 449         free(config.url.url);
 450
 451         free((void *)config.section);
 452         return 0;
 453 }
 454
 455 static char *default_user_config(void)
 456 {
 457         struct strbuf buf = STRBUF_INIT;
 458         strbuf_addf(&buf,
 459                     _("# This is Git's per-user configuration file.\n"
 460                       "[user]\n"
 461                       "# Please adapt and uncomment the following lines:\n"
 462                       "#        name = %s\n"
 463                       "#        email = %s\n"),
 464                     ident_default_name(),
 465                     ident_default_email());
 466         return strbuf_detach(&buf, NULL);
 467 }
 468
 469 int cmd_config(int argc, const char **argv, const char *prefix)
 470 {
 471         int nongit = !startup_info->have_repository;
 472         char *value;
 473
 474         given_config_source.file = getenv(CONFIG_ENVIRONMENT);
 475
 476         argc = parse_options(argc, argv, prefix, builtin_config_options,
 477                              builtin_config_usage,
 478                              PARSE_OPT_STOP_AT_NON_OPTION);
 479
 480         if (use_global_config + use_system_config + use_local_config +
 481             !!given_config_source.file + !!given_config_source.blob > 1) {
 482                 error("only one config file at a time.");
 483                 usage_with_options(builtin_config_usage, builtin_config_options);
 484         }
 485
 486         if (given_config_source.file &&
 487                         !strcmp(given_config_source.file, "-")) {
 488                 given_config_source.file = NULL;
 489                 given_config_source.use_stdin = 1;
 490         }
 491
 492         if (use_global_config) {
 493                 char *user_config = expand_user_path("~/.gitconfig");
 494                 char *xdg_config = xdg_config_home("config");
 495
 496                 if (!user_config)
 497                         /*
 498                          * It is unknown if HOME/.gitconfig exists, so
 499                          * we do not know if we should write to XDG
 500                          * location; error out even if XDG_CONFIG_HOME
 501                          * is set and points at a sane location.
 502                          */
 503                         die("$HOME not set");
 504
 505                 if (access_or_warn(user_config, R_OK, 0) &&
 506                     xdg_config && !access_or_warn(xdg_config, R_OK, 0))
 507                         given_config_source.file = xdg_config;
 508                 else
 509                         given_config_source.file = user_config;
 510         }
 511         else if (use_system_config)
 512                 given_config_source.file = git_etc_gitconfig();
 513         else if (use_local_config)
 514                 given_config_source.file = git_pathdup("config");
 515         else if (given_config_source.file) {
 516                 if (!is_absolute_path(given_config_source.file) && prefix)
 517                         given_config_source.file =
 518                                 xstrdup(prefix_filename(prefix,
 519                                                         strlen(prefix),
 520                                                         given_config_source.file));
 521         }
 522
 523         if (respect_includes == -1)
 524                 respect_includes = !given_config_source.file;
 525
 526         if (end_null) {
 527                 term = '\0';
 528                 delim = '\n';
 529                 key_delim = '\n';
 530         }
 531
 532         if (HAS_MULTI_BITS(types)) {
 533                 error("only one type at a time.");
 534                 usage_with_options(builtin_config_usage, builtin_config_options);
 535         }
 536
 537         if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && types) {
 538                 error("--get-color and variable type are incoherent");
 539                 usage_with_options(builtin_config_usage, builtin_config_options);
 540         }
 541
 542         if (HAS_MULTI_BITS(actions)) {
 543                 error("only one action at a time.");
 544                 usage_with_options(builtin_config_usage, builtin_config_options);
 545         }
 546         if (actions == 0)
 547                 switch (argc) {
 548                 case 1: actions = ACTION_GET; break;
 549                 case 2: actions = ACTION_SET; break;
 550                 case 3: actions = ACTION_SET_ALL; break;
 551                 default:
 552                         usage_with_options(builtin_config_usage, builtin_config_options);
 553                 }
 554         if (omit_values &&
 555             !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
 556                 error("--name-only is only applicable to --list or --get-regexp");
 557                 usage_with_options(builtin_config_usage, builtin_config_options);
 558         }
 559         if (actions == ACTION_LIST) {
 560                 check_argc(argc, 0, 0);
 561                 if (git_config_with_options(show_all_config, NULL,
 562                                             &given_config_source,
 563                                             respect_includes) < 0) {
 564                         if (given_config_source.file)
 565                                 die_errno("unable to read config file '%s'",
 566                                           given_config_source.file);
 567                         else
 568                                 die("error processing config file(s)");
 569                 }
 570         }
 571         else if (actions == ACTION_EDIT) {
 572                 char *config_file;
 573
 574                 check_argc(argc, 0, 0);
 575                 if (!given_config_source.file && nongit)
 576                         die("not in a git directory");
 577                 if (given_config_source.use_stdin)
 578                         die("editing stdin is not supported");
 579                 if (given_config_source.blob)
 580                         die("editing blobs is not supported");
 581                 git_config(git_default_config, NULL);
 582                 config_file = xstrdup(given_config_source.file ?
 583                                       given_config_source.file : git_path("config"));
 584                 if (use_global_config) {
 585                         int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
 586                         if (fd) {
 587                                 char *content = default_user_config();
 588                                 write_str_in_full(fd, content);
 589                                 free(content);
 590                                 close(fd);
 591                         }
 592                         else if (errno != EEXIST)
 593                                 die_errno(_("cannot create configuration file %s"), config_file);
 594                 }
 595                 launch_editor(config_file, NULL, NULL);
 596                 free(config_file);
 597         }
 598         else if (actions == ACTION_SET) {
 599                 int ret;
 600                 check_write();
 601                 check_argc(argc, 2, 2);
 602                 value = normalize_value(argv[0], argv[1]);
 603                 ret = git_config_set_in_file(given_config_source.file, argv[0], value);
 604                 if (ret == CONFIG_NOTHING_SET)
 605                         error("cannot overwrite multiple values with a single value\n"
 606                         "       Use a regexp, --add or --replace-all to change %s.", argv[0]);
 607                 return ret;
 608         }
 609         else if (actions == ACTION_SET_ALL) {
 610                 check_write();
 611                 check_argc(argc, 2, 3);
 612                 value = normalize_value(argv[0], argv[1]);
 613                 return git_config_set_multivar_in_file(given_config_source.file,
 614                                                        argv[0], value, argv[2], 0);
 615         }
 616         else if (actions == ACTION_ADD) {
 617                 check_write();
 618                 check_argc(argc, 2, 2);
 619                 value = normalize_value(argv[0], argv[1]);
 620                 return git_config_set_multivar_in_file(given_config_source.file,
 621                                                        argv[0], value,
 622                                                        CONFIG_REGEX_NONE, 0);
 623         }
 624         else if (actions == ACTION_REPLACE_ALL) {
 625                 check_write();
 626                 check_argc(argc, 2, 3);
 627                 value = normalize_value(argv[0], argv[1]);
 628                 return git_config_set_multivar_in_file(given_config_source.file,
 629                                                        argv[0], value, argv[2], 1);
 630         }
 631         else if (actions == ACTION_GET) {
 632                 check_argc(argc, 1, 2);
 633                 return get_value(argv[0], argv[1]);
 634         }
 635         else if (actions == ACTION_GET_ALL) {
 636                 do_all = 1;
 637                 check_argc(argc, 1, 2);
 638                 return get_value(argv[0], argv[1]);
 639         }
 640         else if (actions == ACTION_GET_REGEXP) {
 641                 show_keys = 1;
 642                 use_key_regexp = 1;
 643                 do_all = 1;
 644                 check_argc(argc, 1, 2);
 645                 return get_value(argv[0], argv[1]);
 646         }
 647         else if (actions == ACTION_GET_URLMATCH) {
 648                 check_argc(argc, 2, 2);
 649                 return get_urlmatch(argv[0], argv[1]);
 650         }
 651         else if (actions == ACTION_UNSET) {
 652                 check_write();
 653                 check_argc(argc, 1, 2);
 654                 if (argc == 2)
 655                         return git_config_set_multivar_in_file(given_config_source.file,
 656                                                                argv[0], NULL, argv[1], 0);
 657                 else
 658                         return git_config_set_in_file(given_config_source.file,
 659                                                       argv[0], NULL);
 660         }
 661         else if (actions == ACTION_UNSET_ALL) {
 662                 check_write();
 663                 check_argc(argc, 1, 2);
 664                 return git_config_set_multivar_in_file(given_config_source.file,
 665                                                        argv[0], NULL, argv[1], 1);
 666         }
 667         else if (actions == ACTION_RENAME_SECTION) {
 668                 int ret;
 669                 check_write();
 670                 check_argc(argc, 2, 2);
 671                 ret = git_config_rename_section_in_file(given_config_source.file,
 672                                                         argv[0], argv[1]);
 673                 if (ret < 0)
 674                         return ret;
 675                 if (ret == 0)
 676                         die("No such section!");
 677         }
 678         else if (actions == ACTION_REMOVE_SECTION) {
 679                 int ret;
 680                 check_write();
 681                 check_argc(argc, 1, 1);
 682                 ret = git_config_rename_section_in_file(given_config_source.file,
 683                                                         argv[0], NULL);
 684                 if (ret < 0)
 685                         return ret;
 686                 if (ret == 0)
 687                         die("No such section!");
 688         }
 689         else if (actions == ACTION_GET_COLOR) {
 690                 check_argc(argc, 1, 2);
 691                 get_color(argv[0], argv[1]);
 692         }
 693         else if (actions == ACTION_GET_COLORBOOL) {
 694                 check_argc(argc, 1, 2);
 695                 if (argc == 2)
 696                         color_stdout_is_tty = git_config_bool("command line", argv[1]);
 697                 return get_colorbool(argv[0], argc == 2);
 698         }
 699
 700         return 0;
 701 }