Andrew's git / gitweb.git / builtin/config.c
?
builtin / config.con commit ref-filter.c: pass empty-string as NULL to atom parsers (bea4dbe)
   1#include "builtin.h"
   2#include "cache.h"
   3#include "config.h"
   4#include "color.h"
   5#include "parse-options.h"
   6#include "urlmatch.h"
   7#include "quote.h"
   8
   9static const char *const builtin_config_usage[] = {
  10        N_("git config [<options>]"),
  11        NULL
  12};
  13
  14static char *key;
  15static regex_t *key_regexp;
  16static regex_t *regexp;
  17static int show_keys;
  18static int omit_values;
  19static int use_key_regexp;
  20static int do_all;
  21static int do_not_match;
  22static char delim = '=';
  23static char key_delim = ' ';
  24static char term = '\n';
  25
  26static int use_global_config, use_system_config, use_local_config;
  27static struct git_config_source given_config_source;
  28static int actions, types;
  29static int end_null;
  30static int respect_includes_opt = -1;
  31static struct config_options config_options;
  32static int show_origin;
  33
  34#define ACTION_GET (1<<0)
  35#define ACTION_GET_ALL (1<<1)
  36#define ACTION_GET_REGEXP (1<<2)
  37#define ACTION_REPLACE_ALL (1<<3)
  38#define ACTION_ADD (1<<4)
  39#define ACTION_UNSET (1<<5)
  40#define ACTION_UNSET_ALL (1<<6)
  41#define ACTION_RENAME_SECTION (1<<7)
  42#define ACTION_REMOVE_SECTION (1<<8)
  43#define ACTION_LIST (1<<9)
  44#define ACTION_EDIT (1<<10)
  45#define ACTION_SET (1<<11)
  46#define ACTION_SET_ALL (1<<12)
  47#define ACTION_GET_COLOR (1<<13)
  48#define ACTION_GET_COLORBOOL (1<<14)
  49#define ACTION_GET_URLMATCH (1<<15)
  50
  51#define TYPE_BOOL (1<<0)
  52#define TYPE_INT (1<<1)
  53#define TYPE_BOOL_OR_INT (1<<2)
  54#define TYPE_PATH (1<<3)
  55
  56static struct option builtin_config_options[] = {
  57        OPT_GROUP(N_("Config file location")),
  58        OPT_BOOL(0, "global", &use_global_config, N_("use global config file")),
  59        OPT_BOOL(0, "system", &use_system_config, N_("use system config file")),
  60        OPT_BOOL(0, "local", &use_local_config, N_("use repository config file")),
  61        OPT_STRING('f', "file", &given_config_source.file, N_("file"), N_("use given config file")),
  62        OPT_STRING(0, "blob", &given_config_source.blob, N_("blob-id"), N_("read config from given blob object")),
  63        OPT_GROUP(N_("Action")),
  64        OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
  65        OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
  66        OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
  67        OPT_BIT(0, "get-urlmatch", &actions, N_("get value specific for the URL: section[.var] URL"), ACTION_GET_URLMATCH),
  68        OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
  69        OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
  70        OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
  71        OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL),
  72        OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
  73        OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
  74        OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
  75        OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
  76        OPT_BIT(0, "get-color", &actions, N_("find the color configured: slot [default]"), ACTION_GET_COLOR),
  77        OPT_BIT(0, "get-colorbool", &actions, N_("find the color setting: slot [stdout-is-tty]"), ACTION_GET_COLORBOOL),
  78        OPT_GROUP(N_("Type")),
  79        OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
  80        OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
  81        OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
  82        OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
  83        OPT_GROUP(N_("Other")),
  84        OPT_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")),
  85        OPT_BOOL(0, "name-only", &omit_values, N_("show variable names only")),
  86        OPT_BOOL(0, "includes", &respect_includes_opt, N_("respect include directives on lookup")),
  87        OPT_BOOL(0, "show-origin", &show_origin, N_("show origin of config (file, standard input, blob, command line)")),
  88        OPT_END(),
  89};
  90
  91static void check_argc(int argc, int min, int max) {
  92        if (argc >= min && argc <= max)
  93                return;
  94        error("wrong number of arguments");
  95        usage_with_options(builtin_config_usage, builtin_config_options);
  96}
  97
  98static void show_config_origin(struct strbuf *buf)
  99{
 100        const char term = end_null ? '\0' : '\t';
 101
 102        strbuf_addstr(buf, current_config_origin_type());
 103        strbuf_addch(buf, ':');
 104        if (end_null)
 105                strbuf_addstr(buf, current_config_name());
 106        else
 107                quote_c_style(current_config_name(), buf, NULL, 0);
 108        strbuf_addch(buf, term);
 109}
 110
 111static int show_all_config(const char *key_, const char *value_, void *cb)
 112{
 113        if (show_origin) {
 114                struct strbuf buf = STRBUF_INIT;
 115                show_config_origin(&buf);
 116                /* Use fwrite as "buf" can contain \0's if "end_null" is set. */
 117                fwrite(buf.buf, 1, buf.len, stdout);
 118                strbuf_release(&buf);
 119        }
 120        if (!omit_values && value_)
 121                printf("%s%c%s%c", key_, delim, value_, term);
 122        else
 123                printf("%s%c", key_, term);
 124        return 0;
 125}
 126
 127struct strbuf_list {
 128        struct strbuf *items;
 129        int nr;
 130        int alloc;
 131};
 132
 133static int format_config(struct strbuf *buf, const char *key_, const char *value_)
 134{
 135        if (show_origin)
 136                show_config_origin(buf);
 137        if (show_keys)
 138                strbuf_addstr(buf, key_);
 139        if (!omit_values) {
 140                if (show_keys)
 141                        strbuf_addch(buf, key_delim);
 142
 143                if (types == TYPE_INT)
 144                        strbuf_addf(buf, "%"PRId64,
 145                                    git_config_int64(key_, value_ ? value_ : ""));
 146                else if (types == TYPE_BOOL)
 147                        strbuf_addstr(buf, git_config_bool(key_, value_) ?
 148                                      "true" : "false");
 149                else if (types == TYPE_BOOL_OR_INT) {
 150                        int is_bool, v;
 151                        v = git_config_bool_or_int(key_, value_, &is_bool);
 152                        if (is_bool)
 153                                strbuf_addstr(buf, v ? "true" : "false");
 154                        else
 155                                strbuf_addf(buf, "%d", v);
 156                } else if (types == TYPE_PATH) {
 157                        const char *v;
 158                        if (git_config_pathname(&v, key_, value_) < 0)
 159                                return -1;
 160                        strbuf_addstr(buf, v);
 161                        free((char *)v);
 162                } else if (value_) {
 163                        strbuf_addstr(buf, value_);
 164                } else {
 165                        /* Just show the key name; back out delimiter */
 166                        if (show_keys)
 167                                strbuf_setlen(buf, buf->len - 1);
 168                }
 169        }
 170        strbuf_addch(buf, term);
 171        return 0;
 172}
 173
 174static int collect_config(const char *key_, const char *value_, void *cb)
 175{
 176        struct strbuf_list *values = cb;
 177
 178        if (!use_key_regexp && strcmp(key_, key))
 179                return 0;
 180        if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
 181                return 0;
 182        if (regexp != NULL &&
 183            (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
 184                return 0;
 185
 186        ALLOC_GROW(values->items, values->nr + 1, values->alloc);
 187        strbuf_init(&values->items[values->nr], 0);
 188
 189        return format_config(&values->items[values->nr++], key_, value_);
 190}
 191
 192static int get_value(const char *key_, const char *regex_)
 193{
 194        int ret = CONFIG_GENERIC_ERROR;
 195        struct strbuf_list values = {NULL};
 196        int i;
 197
 198        if (use_key_regexp) {
 199                char *tl;
 200
 201                /*
 202                 * NEEDSWORK: this naive pattern lowercasing obviously does not
 203                 * work for more complex patterns like "^[^.]*Foo.*bar".
 204                 * Perhaps we should deprecate this altogether someday.
 205                 */
 206
 207                key = xstrdup(key_);
 208                for (tl = key + strlen(key) - 1;
 209                     tl >= key && *tl != '.';
 210                     tl--)
 211                        *tl = tolower(*tl);
 212                for (tl = key; *tl && *tl != '.'; tl++)
 213                        *tl = tolower(*tl);
 214
 215                key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
 216                if (regcomp(key_regexp, key, REG_EXTENDED)) {
 217                        error("invalid key pattern: %s", key_);
 218                        FREE_AND_NULL(key_regexp);
 219                        ret = CONFIG_INVALID_PATTERN;
 220                        goto free_strings;
 221                }
 222        } else {
 223                if (git_config_parse_key(key_, &key, NULL)) {
 224                        ret = CONFIG_INVALID_KEY;
 225                        goto free_strings;
 226                }
 227        }
 228
 229        if (regex_) {
 230                if (regex_[0] == '!') {
 231                        do_not_match = 1;
 232                        regex_++;
 233                }
 234
 235                regexp = (regex_t*)xmalloc(sizeof(regex_t));
 236                if (regcomp(regexp, regex_, REG_EXTENDED)) {
 237                        error("invalid pattern: %s", regex_);
 238                        FREE_AND_NULL(regexp);
 239                        ret = CONFIG_INVALID_PATTERN;
 240                        goto free_strings;
 241                }
 242        }
 243
 244        config_with_options(collect_config, &values,
 245                            &given_config_source, &config_options);
 246
 247        ret = !values.nr;
 248
 249        for (i = 0; i < values.nr; i++) {
 250                struct strbuf *buf = values.items + i;
 251                if (do_all || i == values.nr - 1)
 252                        fwrite(buf->buf, 1, buf->len, stdout);
 253                strbuf_release(buf);
 254        }
 255        free(values.items);
 256
 257free_strings:
 258        free(key);
 259        if (key_regexp) {
 260                regfree(key_regexp);
 261                free(key_regexp);
 262        }
 263        if (regexp) {
 264                regfree(regexp);
 265                free(regexp);
 266        }
 267
 268        return ret;
 269}
 270
 271static char *normalize_value(const char *key, const char *value)
 272{
 273        if (!value)
 274                return NULL;
 275
 276        if (types == 0 || types == TYPE_PATH)
 277                /*
 278                 * We don't do normalization for TYPE_PATH here: If
 279                 * the path is like ~/foobar/, we prefer to store
 280                 * "~/foobar/" in the config file, and to expand the ~
 281                 * when retrieving the value.
 282                 */
 283                return xstrdup(value);
 284        if (types == TYPE_INT)
 285                return xstrfmt("%"PRId64, git_config_int64(key, value));
 286        if (types == TYPE_BOOL)
 287                return xstrdup(git_config_bool(key, value) ?  "true" : "false");
 288        if (types == TYPE_BOOL_OR_INT) {
 289                int is_bool, v;
 290                v = git_config_bool_or_int(key, value, &is_bool);
 291                if (!is_bool)
 292                        return xstrfmt("%d", v);
 293                else
 294                        return xstrdup(v ? "true" : "false");
 295        }
 296
 297        die("BUG: cannot normalize type %d", types);
 298}
 299
 300static int get_color_found;
 301static const char *get_color_slot;
 302static const char *get_colorbool_slot;
 303static char parsed_color[COLOR_MAXLEN];
 304
 305static int git_get_color_config(const char *var, const char *value, void *cb)
 306{
 307        if (!strcmp(var, get_color_slot)) {
 308                if (!value)
 309                        config_error_nonbool(var);
 310                if (color_parse(value, parsed_color) < 0)
 311                        return -1;
 312                get_color_found = 1;
 313        }
 314        return 0;
 315}
 316
 317static void get_color(const char *var, const char *def_color)
 318{
 319        get_color_slot = var;
 320        get_color_found = 0;
 321        parsed_color[0] = '\0';
 322        config_with_options(git_get_color_config, NULL,
 323                            &given_config_source, &config_options);
 324
 325        if (!get_color_found && def_color) {
 326                if (color_parse(def_color, parsed_color) < 0)
 327                        die(_("unable to parse default color value"));
 328        }
 329
 330        fputs(parsed_color, stdout);
 331}
 332
 333static int get_colorbool_found;
 334static int get_diff_color_found;
 335static int get_color_ui_found;
 336static int git_get_colorbool_config(const char *var, const char *value,
 337                void *cb)
 338{
 339        if (!strcmp(var, get_colorbool_slot))
 340                get_colorbool_found = git_config_colorbool(var, value);
 341        else if (!strcmp(var, "diff.color"))
 342                get_diff_color_found = git_config_colorbool(var, value);
 343        else if (!strcmp(var, "color.ui"))
 344                get_color_ui_found = git_config_colorbool(var, value);
 345        return 0;
 346}
 347
 348static int get_colorbool(const char *var, int print)
 349{
 350        get_colorbool_slot = var;
 351        get_colorbool_found = -1;
 352        get_diff_color_found = -1;
 353        get_color_ui_found = -1;
 354        config_with_options(git_get_colorbool_config, NULL,
 355                            &given_config_source, &config_options);
 356
 357        if (get_colorbool_found < 0) {
 358                if (!strcmp(get_colorbool_slot, "color.diff"))
 359                        get_colorbool_found = get_diff_color_found;
 360                if (get_colorbool_found < 0)
 361                        get_colorbool_found = get_color_ui_found;
 362        }
 363
 364        if (get_colorbool_found < 0)
 365                /* default value if none found in config */
 366                get_colorbool_found = GIT_COLOR_AUTO;
 367
 368        get_colorbool_found = want_color(get_colorbool_found);
 369
 370        if (print) {
 371                printf("%s\n", get_colorbool_found ? "true" : "false");
 372                return 0;
 373        } else
 374                return get_colorbool_found ? 0 : 1;
 375}
 376
 377static void check_write(void)
 378{
 379        if (!given_config_source.file && !startup_info->have_repository)
 380                die("not in a git directory");
 381
 382        if (given_config_source.use_stdin)
 383                die("writing to stdin is not supported");
 384
 385        if (given_config_source.blob)
 386                die("writing config blobs is not supported");
 387}
 388
 389struct urlmatch_current_candidate_value {
 390        char value_is_null;
 391        struct strbuf value;
 392};
 393
 394static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
 395{
 396        struct string_list *values = cb;
 397        struct string_list_item *item = string_list_insert(values, var);
 398        struct urlmatch_current_candidate_value *matched = item->util;
 399
 400        if (!matched) {
 401                matched = xmalloc(sizeof(*matched));
 402                strbuf_init(&matched->value, 0);
 403                item->util = matched;
 404        } else {
 405                strbuf_reset(&matched->value);
 406        }
 407
 408        if (value) {
 409                strbuf_addstr(&matched->value, value);
 410                matched->value_is_null = 0;
 411        } else {
 412                matched->value_is_null = 1;
 413        }
 414        return 0;
 415}
 416
 417static int get_urlmatch(const char *var, const char *url)
 418{
 419        int ret;
 420        char *section_tail;
 421        struct string_list_item *item;
 422        struct urlmatch_config config = { STRING_LIST_INIT_DUP };
 423        struct string_list values = STRING_LIST_INIT_DUP;
 424
 425        config.collect_fn = urlmatch_collect_fn;
 426        config.cascade_fn = NULL;
 427        config.cb = &values;
 428
 429        if (!url_normalize(url, &config.url))
 430                die("%s", config.url.err);
 431
 432        config.section = xstrdup_tolower(var);
 433        section_tail = strchr(config.section, '.');
 434        if (section_tail) {
 435                *section_tail = '\0';
 436                config.key = section_tail + 1;
 437                show_keys = 0;
 438        } else {
 439                config.key = NULL;
 440                show_keys = 1;
 441        }
 442
 443        config_with_options(urlmatch_config_entry, &config,
 444                            &given_config_source, &config_options);
 445
 446        ret = !values.nr;
 447
 448        for_each_string_list_item(item, &values) {
 449                struct urlmatch_current_candidate_value *matched = item->util;
 450                struct strbuf buf = STRBUF_INIT;
 451
 452                format_config(&buf, item->string,
 453                              matched->value_is_null ? NULL : matched->value.buf);
 454                fwrite(buf.buf, 1, buf.len, stdout);
 455                strbuf_release(&buf);
 456
 457                strbuf_release(&matched->value);
 458        }
 459        string_list_clear(&config.vars, 1);
 460        string_list_clear(&values, 1);
 461        free(config.url.url);
 462
 463        free((void *)config.section);
 464        return ret;
 465}
 466
 467static char *default_user_config(void)
 468{
 469        struct strbuf buf = STRBUF_INIT;
 470        strbuf_addf(&buf,
 471                    _("# This is Git's per-user configuration file.\n"
 472                      "[user]\n"
 473                      "# Please adapt and uncomment the following lines:\n"
 474                      "#        name = %s\n"
 475                      "#        email = %s\n"),
 476                    ident_default_name(),
 477                    ident_default_email());
 478        return strbuf_detach(&buf, NULL);
 479}
 480
 481int cmd_config(int argc, const char **argv, const char *prefix)
 482{
 483        int nongit = !startup_info->have_repository;
 484        char *value;
 485
 486        given_config_source.file = getenv(CONFIG_ENVIRONMENT);
 487
 488        argc = parse_options(argc, argv, prefix, builtin_config_options,
 489                             builtin_config_usage,
 490                             PARSE_OPT_STOP_AT_NON_OPTION);
 491
 492        if (use_global_config + use_system_config + use_local_config +
 493            !!given_config_source.file + !!given_config_source.blob > 1) {
 494                error("only one config file at a time.");
 495                usage_with_options(builtin_config_usage, builtin_config_options);
 496        }
 497
 498        if (use_local_config && nongit)
 499                die(_("--local can only be used inside a git repository"));
 500
 501        if (given_config_source.file &&
 502                        !strcmp(given_config_source.file, "-")) {
 503                given_config_source.file = NULL;
 504                given_config_source.use_stdin = 1;
 505        }
 506
 507        if (use_global_config) {
 508                char *user_config = expand_user_path("~/.gitconfig", 0);
 509                char *xdg_config = xdg_config_home("config");
 510
 511                if (!user_config)
 512                        /*
 513                         * It is unknown if HOME/.gitconfig exists, so
 514                         * we do not know if we should write to XDG
 515                         * location; error out even if XDG_CONFIG_HOME
 516                         * is set and points at a sane location.
 517                         */
 518                        die("$HOME not set");
 519
 520                if (access_or_warn(user_config, R_OK, 0) &&
 521                    xdg_config && !access_or_warn(xdg_config, R_OK, 0))
 522                        given_config_source.file = xdg_config;
 523                else
 524                        given_config_source.file = user_config;
 525        }
 526        else if (use_system_config)
 527                given_config_source.file = git_etc_gitconfig();
 528        else if (use_local_config)
 529                given_config_source.file = git_pathdup("config");
 530        else if (given_config_source.file) {
 531                if (!is_absolute_path(given_config_source.file) && prefix)
 532                        given_config_source.file =
 533                                prefix_filename(prefix, given_config_source.file);
 534        }
 535
 536        if (respect_includes_opt == -1)
 537                config_options.respect_includes = !given_config_source.file;
 538        else
 539                config_options.respect_includes = respect_includes_opt;
 540        if (!nongit) {
 541                config_options.commondir = get_git_common_dir();
 542                config_options.git_dir = get_git_dir();
 543        }
 544
 545        if (end_null) {
 546                term = '\0';
 547                delim = '\n';
 548                key_delim = '\n';
 549        }
 550
 551        if (HAS_MULTI_BITS(types)) {
 552                error("only one type at a time.");
 553                usage_with_options(builtin_config_usage, builtin_config_options);
 554        }
 555
 556        if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && types) {
 557                error("--get-color and variable type are incoherent");
 558                usage_with_options(builtin_config_usage, builtin_config_options);
 559        }
 560
 561        if (HAS_MULTI_BITS(actions)) {
 562                error("only one action at a time.");
 563                usage_with_options(builtin_config_usage, builtin_config_options);
 564        }
 565        if (actions == 0)
 566                switch (argc) {
 567                case 1: actions = ACTION_GET; break;
 568                case 2: actions = ACTION_SET; break;
 569                case 3: actions = ACTION_SET_ALL; break;
 570                default:
 571                        usage_with_options(builtin_config_usage, builtin_config_options);
 572                }
 573        if (omit_values &&
 574            !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
 575                error("--name-only is only applicable to --list or --get-regexp");
 576                usage_with_options(builtin_config_usage, builtin_config_options);
 577        }
 578
 579        if (show_origin && !(actions &
 580                (ACTION_GET|ACTION_GET_ALL|ACTION_GET_REGEXP|ACTION_LIST))) {
 581                error("--show-origin is only applicable to --get, --get-all, "
 582                          "--get-regexp, and --list.");
 583                usage_with_options(builtin_config_usage, builtin_config_options);
 584        }
 585
 586        if (actions == ACTION_LIST) {
 587                check_argc(argc, 0, 0);
 588                if (config_with_options(show_all_config, NULL,
 589                                        &given_config_source,
 590                                        &config_options) < 0) {
 591                        if (given_config_source.file)
 592                                die_errno("unable to read config file '%s'",
 593                                          given_config_source.file);
 594                        else
 595                                die("error processing config file(s)");
 596                }
 597        }
 598        else if (actions == ACTION_EDIT) {
 599                char *config_file;
 600
 601                check_argc(argc, 0, 0);
 602                if (!given_config_source.file && nongit)
 603                        die("not in a git directory");
 604                if (given_config_source.use_stdin)
 605                        die("editing stdin is not supported");
 606                if (given_config_source.blob)
 607                        die("editing blobs is not supported");
 608                git_config(git_default_config, NULL);
 609                config_file = given_config_source.file ?
 610                                xstrdup(given_config_source.file) :
 611                                git_pathdup("config");
 612                if (use_global_config) {
 613                        int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
 614                        if (fd >= 0) {
 615                                char *content = default_user_config();
 616                                write_str_in_full(fd, content);
 617                                free(content);
 618                                close(fd);
 619                        }
 620                        else if (errno != EEXIST)
 621                                die_errno(_("cannot create configuration file %s"), config_file);
 622                }
 623                launch_editor(config_file, NULL, NULL);
 624                free(config_file);
 625        }
 626        else if (actions == ACTION_SET) {
 627                int ret;
 628                check_write();
 629                check_argc(argc, 2, 2);
 630                value = normalize_value(argv[0], argv[1]);
 631                ret = git_config_set_in_file_gently(given_config_source.file, argv[0], value);
 632                if (ret == CONFIG_NOTHING_SET)
 633                        error(_("cannot overwrite multiple values with a single value\n"
 634                        "       Use a regexp, --add or --replace-all to change %s."), argv[0]);
 635                return ret;
 636        }
 637        else if (actions == ACTION_SET_ALL) {
 638                check_write();
 639                check_argc(argc, 2, 3);
 640                value = normalize_value(argv[0], argv[1]);
 641                return git_config_set_multivar_in_file_gently(given_config_source.file,
 642                                                              argv[0], value, argv[2], 0);
 643        }
 644        else if (actions == ACTION_ADD) {
 645                check_write();
 646                check_argc(argc, 2, 2);
 647                value = normalize_value(argv[0], argv[1]);
 648                return git_config_set_multivar_in_file_gently(given_config_source.file,
 649                                                              argv[0], value,
 650                                                              CONFIG_REGEX_NONE, 0);
 651        }
 652        else if (actions == ACTION_REPLACE_ALL) {
 653                check_write();
 654                check_argc(argc, 2, 3);
 655                value = normalize_value(argv[0], argv[1]);
 656                return git_config_set_multivar_in_file_gently(given_config_source.file,
 657                                                              argv[0], value, argv[2], 1);
 658        }
 659        else if (actions == ACTION_GET) {
 660                check_argc(argc, 1, 2);
 661                return get_value(argv[0], argv[1]);
 662        }
 663        else if (actions == ACTION_GET_ALL) {
 664                do_all = 1;
 665                check_argc(argc, 1, 2);
 666                return get_value(argv[0], argv[1]);
 667        }
 668        else if (actions == ACTION_GET_REGEXP) {
 669                show_keys = 1;
 670                use_key_regexp = 1;
 671                do_all = 1;
 672                check_argc(argc, 1, 2);
 673                return get_value(argv[0], argv[1]);
 674        }
 675        else if (actions == ACTION_GET_URLMATCH) {
 676                check_argc(argc, 2, 2);
 677                return get_urlmatch(argv[0], argv[1]);
 678        }
 679        else if (actions == ACTION_UNSET) {
 680                check_write();
 681                check_argc(argc, 1, 2);
 682                if (argc == 2)
 683                        return git_config_set_multivar_in_file_gently(given_config_source.file,
 684                                                                      argv[0], NULL, argv[1], 0);
 685                else
 686                        return git_config_set_in_file_gently(given_config_source.file,
 687                                                             argv[0], NULL);
 688        }
 689        else if (actions == ACTION_UNSET_ALL) {
 690                check_write();
 691                check_argc(argc, 1, 2);
 692                return git_config_set_multivar_in_file_gently(given_config_source.file,
 693                                                              argv[0], NULL, argv[1], 1);
 694        }
 695        else if (actions == ACTION_RENAME_SECTION) {
 696                int ret;
 697                check_write();
 698                check_argc(argc, 2, 2);
 699                ret = git_config_rename_section_in_file(given_config_source.file,
 700                                                        argv[0], argv[1]);
 701                if (ret < 0)
 702                        return ret;
 703                if (ret == 0)
 704                        die("No such section!");
 705        }
 706        else if (actions == ACTION_REMOVE_SECTION) {
 707                int ret;
 708                check_write();
 709                check_argc(argc, 1, 1);
 710                ret = git_config_rename_section_in_file(given_config_source.file,
 711                                                        argv[0], NULL);
 712                if (ret < 0)
 713                        return ret;
 714                if (ret == 0)
 715                        die("No such section!");
 716        }
 717        else if (actions == ACTION_GET_COLOR) {
 718                check_argc(argc, 1, 2);
 719                get_color(argv[0], argv[1]);
 720        }
 721        else if (actions == ACTION_GET_COLORBOOL) {
 722                check_argc(argc, 1, 2);
 723                if (argc == 2)
 724                        color_stdout_is_tty = git_config_bool("command line", argv[1]);
 725                return get_colorbool(argv[0], argc == 2);
 726        }
 727
 728        return 0;
 729}