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         int must_free_vptr = 0;
 112         int must_print_delim = 0;
 113         char value[256];
 114         const char *vptr = value;
 115
 116         strbuf_init(buf, 0);
 117
 118         if (show_keys) {
 119                 strbuf_addstr(buf, key_);
 120                 must_print_delim = 1;
 121         }
 122         if (omit_values) {
 123                 strbuf_addch(buf, term);
 124                 return 0;
 125         }
 126         if (types == TYPE_INT)
 127                 sprintf(value, "%"PRId64,
 128                         git_config_int64(key_, value_ ? value_ : ""));
 129         else if (types == TYPE_BOOL)
 130                 vptr = git_config_bool(key_, value_) ? "true" : "false";
 131         else if (types == TYPE_BOOL_OR_INT) {
 132                 int is_bool, v;
 133                 v = git_config_bool_or_int(key_, value_, &is_bool);
 134                 if (is_bool)
 135                         vptr = v ? "true" : "false";
 136                 else
 137                         sprintf(value, "%d", v);
 138         } else if (types == TYPE_PATH) {
 139                 if (git_config_pathname(&vptr, key_, value_) < 0)
 140                         return -1;
 141                 must_free_vptr = 1;
 142         } else if (value_) {
 143                 vptr = value_;
 144         } else {
 145                 /* Just show the key name */
 146                 vptr = "";
 147                 must_print_delim = 0;
 148         }
 149
 150         if (must_print_delim)
 151                 strbuf_addch(buf, key_delim);
 152         strbuf_addstr(buf, vptr);
 153         strbuf_addch(buf, term);
 154
 155         if (must_free_vptr)
 156                 free((char *)vptr);
 157         return 0;
 158 }
 159
 160 static int collect_config(const char *key_, const char *value_, void *cb)
 161 {
 162         struct strbuf_list *values = cb;
 163
 164         if (!use_key_regexp && strcmp(key_, key))
 165                 return 0;
 166         if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
 167                 return 0;
 168         if (regexp != NULL &&
 169             (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
 170                 return 0;
 171
 172         ALLOC_GROW(values->items, values->nr + 1, values->alloc);
 173
 174         return format_config(&values->items[values->nr++], key_, value_);
 175 }
 176
 177 static int get_value(const char *key_, const char *regex_)
 178 {
 179         int ret = CONFIG_GENERIC_ERROR;
 180         struct strbuf_list values = {NULL};
 181         int i;
 182
 183         if (use_key_regexp) {
 184                 char *tl;
 185
 186                 /*
 187                  * NEEDSWORK: this naive pattern lowercasing obviously does not
 188                  * work for more complex patterns like "^[^.]*Foo.*bar".
 189                  * Perhaps we should deprecate this altogether someday.
 190                  */
 191
 192                 key = xstrdup(key_);
 193                 for (tl = key + strlen(key) - 1;
 194                      tl >= key && *tl != '.';
 195                      tl--)
 196                         *tl = tolower(*tl);
 197                 for (tl = key; *tl && *tl != '.'; tl++)
 198                         *tl = tolower(*tl);
 199
 200                 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
 201                 if (regcomp(key_regexp, key, REG_EXTENDED)) {
 202                         error("invalid key pattern: %s", key_);
 203                         free(key_regexp);
 204                         key_regexp = NULL;
 205                         ret = CONFIG_INVALID_PATTERN;
 206                         goto free_strings;
 207                 }
 208         } else {
 209                 if (git_config_parse_key(key_, &key, NULL)) {
 210                         ret = CONFIG_INVALID_KEY;
 211                         goto free_strings;
 212                 }
 213         }
 214
 215         if (regex_) {
 216                 if (regex_[0] == '!') {
 217                         do_not_match = 1;
 218                         regex_++;
 219                 }
 220
 221                 regexp = (regex_t*)xmalloc(sizeof(regex_t));
 222                 if (regcomp(regexp, regex_, REG_EXTENDED)) {
 223                         error("invalid pattern: %s", regex_);
 224                         free(regexp);
 225                         regexp = NULL;
 226                         ret = CONFIG_INVALID_PATTERN;
 227                         goto free_strings;
 228                 }
 229         }
 230
 231         git_config_with_options(collect_config, &values,
 232                                 &given_config_source, respect_includes);
 233
 234         ret = !values.nr;
 235
 236         for (i = 0; i < values.nr; i++) {
 237                 struct strbuf *buf = values.items + i;
 238                 if (do_all || i == values.nr - 1)
 239                         fwrite(buf->buf, 1, buf->len, stdout);
 240                 strbuf_release(buf);
 241         }
 242         free(values.items);
 243
 244 free_strings:
 245         free(key);
 246         if (key_regexp) {
 247                 regfree(key_regexp);
 248                 free(key_regexp);
 249         }
 250         if (regexp) {
 251                 regfree(regexp);
 252                 free(regexp);
 253         }
 254
 255         return ret;
 256 }
 257
 258 static char *normalize_value(const char *key, const char *value)
 259 {
 260         char *normalized;
 261
 262         if (!value)
 263                 return NULL;
 264
 265         if (types == 0 || types == TYPE_PATH)
 266                 /*
 267                  * We don't do normalization for TYPE_PATH here: If
 268                  * the path is like ~/foobar/, we prefer to store
 269                  * "~/foobar/" in the config file, and to expand the ~
 270                  * when retrieving the value.
 271                  */
 272                 normalized = xstrdup(value);
 273         else {
 274                 normalized = xmalloc(64);
 275                 if (types == TYPE_INT) {
 276                         int64_t v = git_config_int64(key, value);
 277                         sprintf(normalized, "%"PRId64, v);
 278                 }
 279                 else if (types == TYPE_BOOL)
 280                         sprintf(normalized, "%s",
 281                                 git_config_bool(key, value) ? "true" : "false");
 282                 else if (types == TYPE_BOOL_OR_INT) {
 283                         int is_bool, v;
 284                         v = git_config_bool_or_int(key, value, &is_bool);
 285                         if (!is_bool)
 286                                 sprintf(normalized, "%d", v);
 287                         else
 288                                 sprintf(normalized, "%s", v ? "true" : "false");
 289                 }
 290         }
 291
 292         return normalized;
 293 }
 294
 295 static int get_color_found;
 296 static const char *get_color_slot;
 297 static const char *get_colorbool_slot;
 298 static char parsed_color[COLOR_MAXLEN];
 299
 300 static int git_get_color_config(const char *var, const char *value, void *cb)
 301 {
 302         if (!strcmp(var, get_color_slot)) {
 303                 if (!value)
 304                         config_error_nonbool(var);
 305                 if (color_parse(value, parsed_color) < 0)
 306                         return -1;
 307                 get_color_found = 1;
 308         }
 309         return 0;
 310 }
 311
 312 static void get_color(const char *var, const char *def_color)
 313 {
 314         get_color_slot = var;
 315         get_color_found = 0;
 316         parsed_color[0] = '\0';
 317         git_config_with_options(git_get_color_config, NULL,
 318                                 &given_config_source, respect_includes);
 319
 320         if (!get_color_found && def_color) {
 321                 if (color_parse(def_color, parsed_color) < 0)
 322                         die(_("unable to parse default color value"));
 323         }
 324
 325         fputs(parsed_color, stdout);
 326 }
 327
 328 static int get_colorbool_found;
 329 static int get_diff_color_found;
 330 static int get_color_ui_found;
 331 static int git_get_colorbool_config(const char *var, const char *value,
 332                 void *cb)
 333 {
 334         if (!strcmp(var, get_colorbool_slot))
 335                 get_colorbool_found = git_config_colorbool(var, value);
 336         else if (!strcmp(var, "diff.color"))
 337                 get_diff_color_found = git_config_colorbool(var, value);
 338         else if (!strcmp(var, "color.ui"))
 339                 get_color_ui_found = git_config_colorbool(var, value);
 340         return 0;
 341 }
 342
 343 static int get_colorbool(const char *var, int print)
 344 {
 345         get_colorbool_slot = var;
 346         get_colorbool_found = -1;
 347         get_diff_color_found = -1;
 348         get_color_ui_found = -1;
 349         git_config_with_options(git_get_colorbool_config, NULL,
 350                                 &given_config_source, respect_includes);
 351
 352         if (get_colorbool_found < 0) {
 353                 if (!strcmp(get_colorbool_slot, "color.diff"))
 354                         get_colorbool_found = get_diff_color_found;
 355                 if (get_colorbool_found < 0)
 356                         get_colorbool_found = get_color_ui_found;
 357         }
 358
 359         if (get_colorbool_found < 0)
 360                 /* default value if none found in config */
 361                 get_colorbool_found = GIT_COLOR_AUTO;
 362
 363         get_colorbool_found = want_color(get_colorbool_found);
 364
 365         if (print) {
 366                 printf("%s\n", get_colorbool_found ? "true" : "false");
 367                 return 0;
 368         } else
 369                 return get_colorbool_found ? 0 : 1;
 370 }
 371
 372 static void check_write(void)
 373 {
 374         if (given_config_source.use_stdin)
 375                 die("writing to stdin is not supported");
 376
 377         if (given_config_source.blob)
 378                 die("writing config blobs is not supported");
 379 }
 380
 381 struct urlmatch_current_candidate_value {
 382         char value_is_null;
 383         struct strbuf value;
 384 };
 385
 386 static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
 387 {
 388         struct string_list *values = cb;
 389         struct string_list_item *item = string_list_insert(values, var);
 390         struct urlmatch_current_candidate_value *matched = item->util;
 391
 392         if (!matched) {
 393                 matched = xmalloc(sizeof(*matched));
 394                 strbuf_init(&matched->value, 0);
 395                 item->util = matched;
 396         } else {
 397                 strbuf_reset(&matched->value);
 398         }
 399
 400         if (value) {
 401                 strbuf_addstr(&matched->value, value);
 402                 matched->value_is_null = 0;
 403         } else {
 404                 matched->value_is_null = 1;
 405         }
 406         return 0;
 407 }
 408
 409 static int get_urlmatch(const char *var, const char *url)
 410 {
 411         char *section_tail;
 412         struct string_list_item *item;
 413         struct urlmatch_config config = { STRING_LIST_INIT_DUP };
 414         struct string_list values = STRING_LIST_INIT_DUP;
 415
 416         config.collect_fn = urlmatch_collect_fn;
 417         config.cascade_fn = NULL;
 418         config.cb = &values;
 419
 420         if (!url_normalize(url, &config.url))
 421                 die("%s", config.url.err);
 422
 423         config.section = xstrdup_tolower(var);
 424         section_tail = strchr(config.section, '.');
 425         if (section_tail) {
 426                 *section_tail = '\0';
 427                 config.key = section_tail + 1;
 428                 show_keys = 0;
 429         } else {
 430                 config.key = NULL;
 431                 show_keys = 1;
 432         }
 433
 434         git_config_with_options(urlmatch_config_entry, &config,
 435                                 &given_config_source, respect_includes);
 436
 437         for_each_string_list_item(item, &values) {
 438                 struct urlmatch_current_candidate_value *matched = item->util;
 439                 struct strbuf key = STRBUF_INIT;
 440                 struct strbuf buf = STRBUF_INIT;
 441
 442                 strbuf_addstr(&key, item->string);
 443                 format_config(&buf, key.buf,
 444                               matched->value_is_null ? NULL : matched->value.buf);
 445                 fwrite(buf.buf, 1, buf.len, stdout);
 446                 strbuf_release(&key);
 447                 strbuf_release(&buf);
 448
 449                 strbuf_release(&matched->value);
 450         }
 451         string_list_clear(&config.vars, 1);
 452         string_list_clear(&values, 1);
 453         free(config.url.url);
 454
 455         free((void *)config.section);
 456         return 0;
 457 }
 458
 459 static char *default_user_config(void)
 460 {
 461         struct strbuf buf = STRBUF_INIT;
 462         strbuf_addf(&buf,
 463                     _("# This is Git's per-user configuration file.\n"
 464                       "[user]\n"
 465                       "# Please adapt and uncomment the following lines:\n"
 466                       "#        name = %s\n"
 467                       "#        email = %s\n"),
 468                     ident_default_name(),
 469                     ident_default_email());
 470         return strbuf_detach(&buf, NULL);
 471 }
 472
 473 int cmd_config(int argc, const char **argv, const char *prefix)
 474 {
 475         int nongit = !startup_info->have_repository;
 476         char *value;
 477
 478         given_config_source.file = getenv(CONFIG_ENVIRONMENT);
 479
 480         argc = parse_options(argc, argv, prefix, builtin_config_options,
 481                              builtin_config_usage,
 482                              PARSE_OPT_STOP_AT_NON_OPTION);
 483
 484         if (use_global_config + use_system_config + use_local_config +
 485             !!given_config_source.file + !!given_config_source.blob > 1) {
 486                 error("only one config file at a time.");
 487                 usage_with_options(builtin_config_usage, builtin_config_options);
 488         }
 489
 490         if (given_config_source.file &&
 491                         !strcmp(given_config_source.file, "-")) {
 492                 given_config_source.file = NULL;
 493                 given_config_source.use_stdin = 1;
 494         }
 495
 496         if (use_global_config) {
 497                 char *user_config = expand_user_path("~/.gitconfig");
 498                 char *xdg_config = xdg_config_home("config");
 499
 500                 if (!user_config)
 501                         /*
 502                          * It is unknown if HOME/.gitconfig exists, so
 503                          * we do not know if we should write to XDG
 504                          * location; error out even if XDG_CONFIG_HOME
 505                          * is set and points at a sane location.
 506                          */
 507                         die("$HOME not set");
 508
 509                 if (access_or_warn(user_config, R_OK, 0) &&
 510                     xdg_config && !access_or_warn(xdg_config, R_OK, 0))
 511                         given_config_source.file = xdg_config;
 512                 else
 513                         given_config_source.file = user_config;
 514         }
 515         else if (use_system_config)
 516                 given_config_source.file = git_etc_gitconfig();
 517         else if (use_local_config)
 518                 given_config_source.file = git_pathdup("config");
 519         else if (given_config_source.file) {
 520                 if (!is_absolute_path(given_config_source.file) && prefix)
 521                         given_config_source.file =
 522                                 xstrdup(prefix_filename(prefix,
 523                                                         strlen(prefix),
 524                                                         given_config_source.file));
 525         }
 526
 527         if (respect_includes == -1)
 528                 respect_includes = !given_config_source.file;
 529
 530         if (end_null) {
 531                 term = '\0';
 532                 delim = '\n';
 533                 key_delim = '\n';
 534         }
 535
 536         if (HAS_MULTI_BITS(types)) {
 537                 error("only one type at a time.");
 538                 usage_with_options(builtin_config_usage, builtin_config_options);
 539         }
 540
 541         if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && types) {
 542                 error("--get-color and variable type are incoherent");
 543                 usage_with_options(builtin_config_usage, builtin_config_options);
 544         }
 545
 546         if (HAS_MULTI_BITS(actions)) {
 547                 error("only one action at a time.");
 548                 usage_with_options(builtin_config_usage, builtin_config_options);
 549         }
 550         if (actions == 0)
 551                 switch (argc) {
 552                 case 1: actions = ACTION_GET; break;
 553                 case 2: actions = ACTION_SET; break;
 554                 case 3: actions = ACTION_SET_ALL; break;
 555                 default:
 556                         usage_with_options(builtin_config_usage, builtin_config_options);
 557                 }
 558         if (omit_values &&
 559             !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
 560                 error("--name-only is only applicable to --list or --get-regexp");
 561                 usage_with_options(builtin_config_usage, builtin_config_options);
 562         }
 563         if (actions == ACTION_LIST) {
 564                 check_argc(argc, 0, 0);
 565                 if (git_config_with_options(show_all_config, NULL,
 566                                             &given_config_source,
 567                                             respect_includes) < 0) {
 568                         if (given_config_source.file)
 569                                 die_errno("unable to read config file '%s'",
 570                                           given_config_source.file);
 571                         else
 572                                 die("error processing config file(s)");
 573                 }
 574         }
 575         else if (actions == ACTION_EDIT) {
 576                 char *config_file;
 577
 578                 check_argc(argc, 0, 0);
 579                 if (!given_config_source.file && nongit)
 580                         die("not in a git directory");
 581                 if (given_config_source.use_stdin)
 582                         die("editing stdin is not supported");
 583                 if (given_config_source.blob)
 584                         die("editing blobs is not supported");
 585                 git_config(git_default_config, NULL);
 586                 config_file = xstrdup(given_config_source.file ?
 587                                       given_config_source.file : git_path("config"));
 588                 if (use_global_config) {
 589                         int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
 590                         if (fd) {
 591                                 char *content = default_user_config();
 592                                 write_str_in_full(fd, content);
 593                                 free(content);
 594                                 close(fd);
 595                         }
 596                         else if (errno != EEXIST)
 597                                 die_errno(_("cannot create configuration file %s"), config_file);
 598                 }
 599                 launch_editor(config_file, NULL, NULL);
 600                 free(config_file);
 601         }
 602         else if (actions == ACTION_SET) {
 603                 int ret;
 604                 check_write();
 605                 check_argc(argc, 2, 2);
 606                 value = normalize_value(argv[0], argv[1]);
 607                 ret = git_config_set_in_file(given_config_source.file, argv[0], value);
 608                 if (ret == CONFIG_NOTHING_SET)
 609                         error("cannot overwrite multiple values with a single value\n"
 610                         "       Use a regexp, --add or --replace-all to change %s.", argv[0]);
 611                 return ret;
 612         }
 613         else if (actions == ACTION_SET_ALL) {
 614                 check_write();
 615                 check_argc(argc, 2, 3);
 616                 value = normalize_value(argv[0], argv[1]);
 617                 return git_config_set_multivar_in_file(given_config_source.file,
 618                                                        argv[0], value, argv[2], 0);
 619         }
 620         else if (actions == ACTION_ADD) {
 621                 check_write();
 622                 check_argc(argc, 2, 2);
 623                 value = normalize_value(argv[0], argv[1]);
 624                 return git_config_set_multivar_in_file(given_config_source.file,
 625                                                        argv[0], value,
 626                                                        CONFIG_REGEX_NONE, 0);
 627         }
 628         else if (actions == ACTION_REPLACE_ALL) {
 629                 check_write();
 630                 check_argc(argc, 2, 3);
 631                 value = normalize_value(argv[0], argv[1]);
 632                 return git_config_set_multivar_in_file(given_config_source.file,
 633                                                        argv[0], value, argv[2], 1);
 634         }
 635         else if (actions == ACTION_GET) {
 636                 check_argc(argc, 1, 2);
 637                 return get_value(argv[0], argv[1]);
 638         }
 639         else if (actions == ACTION_GET_ALL) {
 640                 do_all = 1;
 641                 check_argc(argc, 1, 2);
 642                 return get_value(argv[0], argv[1]);
 643         }
 644         else if (actions == ACTION_GET_REGEXP) {
 645                 show_keys = 1;
 646                 use_key_regexp = 1;
 647                 do_all = 1;
 648                 check_argc(argc, 1, 2);
 649                 return get_value(argv[0], argv[1]);
 650         }
 651         else if (actions == ACTION_GET_URLMATCH) {
 652                 check_argc(argc, 2, 2);
 653                 return get_urlmatch(argv[0], argv[1]);
 654         }
 655         else if (actions == ACTION_UNSET) {
 656                 check_write();
 657                 check_argc(argc, 1, 2);
 658                 if (argc == 2)
 659                         return git_config_set_multivar_in_file(given_config_source.file,
 660                                                                argv[0], NULL, argv[1], 0);
 661                 else
 662                         return git_config_set_in_file(given_config_source.file,
 663                                                       argv[0], NULL);
 664         }
 665         else if (actions == ACTION_UNSET_ALL) {
 666                 check_write();
 667                 check_argc(argc, 1, 2);
 668                 return git_config_set_multivar_in_file(given_config_source.file,
 669                                                        argv[0], NULL, argv[1], 1);
 670         }
 671         else if (actions == ACTION_RENAME_SECTION) {
 672                 int ret;
 673                 check_write();
 674                 check_argc(argc, 2, 2);
 675                 ret = git_config_rename_section_in_file(given_config_source.file,
 676                                                         argv[0], argv[1]);
 677                 if (ret < 0)
 678                         return ret;
 679                 if (ret == 0)
 680                         die("No such section!");
 681         }
 682         else if (actions == ACTION_REMOVE_SECTION) {
 683                 int ret;
 684                 check_write();
 685                 check_argc(argc, 1, 1);
 686                 ret = git_config_rename_section_in_file(given_config_source.file,
 687                                                         argv[0], NULL);
 688                 if (ret < 0)
 689                         return ret;
 690                 if (ret == 0)
 691                         die("No such section!");
 692         }
 693         else if (actions == ACTION_GET_COLOR) {
 694                 check_argc(argc, 1, 2);
 695                 get_color(argv[0], argv[1]);
 696         }
 697         else if (actions == ACTION_GET_COLORBOOL) {
 698                 check_argc(argc, 1, 2);
 699                 if (argc == 2)
 700                         color_stdout_is_tty = git_config_bool("command line", argv[1]);
 701                 return get_colorbool(argv[0], argc == 2);
 702         }
 703
 704         return 0;
 705 }