Andrew's git - gitweb.git/blob

   1#include "builtin.h"
   2#include "cache.h"
   3#include "color.h"
   4#include "parse-options.h"
   5#include "urlmatch.h"
   6
   7static const char *const builtin_config_usage[] = {
   8        N_("git config [<options>]"),
   9        NULL
  10};
  11
  12static char *key;
  13static regex_t *key_regexp;
  14static regex_t *regexp;
  15static int show_keys;
  16static int omit_values;
  17static int use_key_regexp;
  18static int do_all;
  19static int do_not_match;
  20static char delim = '=';
  21static char key_delim = ' ';
  22static char term = '\n';
  23
  24static int use_global_config, use_system_config, use_local_config;
  25static struct git_config_source given_config_source;
  26static int actions, types;
  27static const char *get_color_slot, *get_colorbool_slot;
  28static int end_null;
  29static 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
  53static 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
  87static 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
  94static 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
 103struct strbuf_list {
 104        struct strbuf *items;
 105        int nr;
 106        int alloc;
 107};
 108
 109static 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
 148static 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
 166static 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
 233free_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
 247static 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
 284static int get_color_found;
 285static const char *get_color_slot;
 286static const char *get_colorbool_slot;
 287static char parsed_color[COLOR_MAXLEN];
 288
 289static 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
 301static 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
 317static int get_colorbool_found;
 318static int get_diff_color_found;
 319static int get_color_ui_found;
 320static 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
 332static 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
 361static 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
 370struct urlmatch_current_candidate_value {
 371        char value_is_null;
 372        struct strbuf value;
 373};
 374
 375static 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
 398static 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
 445static 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
 459int 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}