Andrew's git / gitweb.git / builtin/config.c
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builtin / config.con commit config: don't implicitly use gitdir or commondir (dc8441f)
   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(key_regexp);
 219                        key_regexp = NULL;
 220                        ret = CONFIG_INVALID_PATTERN;
 221                        goto free_strings;
 222                }
 223        } else {
 224                if (git_config_parse_key(key_, &key, NULL)) {
 225                        ret = CONFIG_INVALID_KEY;
 226                        goto free_strings;
 227                }
 228        }
 229
 230        if (regex_) {
 231                if (regex_[0] == '!') {
 232                        do_not_match = 1;
 233                        regex_++;
 234                }
 235
 236                regexp = (regex_t*)xmalloc(sizeof(regex_t));
 237                if (regcomp(regexp, regex_, REG_EXTENDED)) {
 238                        error("invalid pattern: %s", regex_);
 239                        free(regexp);
 240                        regexp = NULL;
 241                        ret = CONFIG_INVALID_PATTERN;
 242                        goto free_strings;
 243                }
 244        }
 245
 246        config_with_options(collect_config, &values,
 247                            &given_config_source, &config_options);
 248
 249        ret = !values.nr;
 250
 251        for (i = 0; i < values.nr; i++) {
 252                struct strbuf *buf = values.items + i;
 253                if (do_all || i == values.nr - 1)
 254                        fwrite(buf->buf, 1, buf->len, stdout);
 255                strbuf_release(buf);
 256        }
 257        free(values.items);
 258
 259free_strings:
 260        free(key);
 261        if (key_regexp) {
 262                regfree(key_regexp);
 263                free(key_regexp);
 264        }
 265        if (regexp) {
 266                regfree(regexp);
 267                free(regexp);
 268        }
 269
 270        return ret;
 271}
 272
 273static char *normalize_value(const char *key, const char *value)
 274{
 275        if (!value)
 276                return NULL;
 277
 278        if (types == 0 || types == TYPE_PATH)
 279                /*
 280                 * We don't do normalization for TYPE_PATH here: If
 281                 * the path is like ~/foobar/, we prefer to store
 282                 * "~/foobar/" in the config file, and to expand the ~
 283                 * when retrieving the value.
 284                 */
 285                return xstrdup(value);
 286        if (types == TYPE_INT)
 287                return xstrfmt("%"PRId64, git_config_int64(key, value));
 288        if (types == TYPE_BOOL)
 289                return xstrdup(git_config_bool(key, value) ?  "true" : "false");
 290        if (types == TYPE_BOOL_OR_INT) {
 291                int is_bool, v;
 292                v = git_config_bool_or_int(key, value, &is_bool);
 293                if (!is_bool)
 294                        return xstrfmt("%d", v);
 295                else
 296                        return xstrdup(v ? "true" : "false");
 297        }
 298
 299        die("BUG: cannot normalize type %d", types);
 300}
 301
 302static int get_color_found;
 303static const char *get_color_slot;
 304static const char *get_colorbool_slot;
 305static char parsed_color[COLOR_MAXLEN];
 306
 307static int git_get_color_config(const char *var, const char *value, void *cb)
 308{
 309        if (!strcmp(var, get_color_slot)) {
 310                if (!value)
 311                        config_error_nonbool(var);
 312                if (color_parse(value, parsed_color) < 0)
 313                        return -1;
 314                get_color_found = 1;
 315        }
 316        return 0;
 317}
 318
 319static void get_color(const char *var, const char *def_color)
 320{
 321        get_color_slot = var;
 322        get_color_found = 0;
 323        parsed_color[0] = '\0';
 324        config_with_options(git_get_color_config, NULL,
 325                            &given_config_source, &config_options);
 326
 327        if (!get_color_found && def_color) {
 328                if (color_parse(def_color, parsed_color) < 0)
 329                        die(_("unable to parse default color value"));
 330        }
 331
 332        fputs(parsed_color, stdout);
 333}
 334
 335static int get_colorbool_found;
 336static int get_diff_color_found;
 337static int get_color_ui_found;
 338static int git_get_colorbool_config(const char *var, const char *value,
 339                void *cb)
 340{
 341        if (!strcmp(var, get_colorbool_slot))
 342                get_colorbool_found = git_config_colorbool(var, value);
 343        else if (!strcmp(var, "diff.color"))
 344                get_diff_color_found = git_config_colorbool(var, value);
 345        else if (!strcmp(var, "color.ui"))
 346                get_color_ui_found = git_config_colorbool(var, value);
 347        return 0;
 348}
 349
 350static int get_colorbool(const char *var, int print)
 351{
 352        get_colorbool_slot = var;
 353        get_colorbool_found = -1;
 354        get_diff_color_found = -1;
 355        get_color_ui_found = -1;
 356        config_with_options(git_get_colorbool_config, NULL,
 357                            &given_config_source, &config_options);
 358
 359        if (get_colorbool_found < 0) {
 360                if (!strcmp(get_colorbool_slot, "color.diff"))
 361                        get_colorbool_found = get_diff_color_found;
 362                if (get_colorbool_found < 0)
 363                        get_colorbool_found = get_color_ui_found;
 364        }
 365
 366        if (get_colorbool_found < 0)
 367                /* default value if none found in config */
 368                get_colorbool_found = GIT_COLOR_AUTO;
 369
 370        get_colorbool_found = want_color(get_colorbool_found);
 371
 372        if (print) {
 373                printf("%s\n", get_colorbool_found ? "true" : "false");
 374                return 0;
 375        } else
 376                return get_colorbool_found ? 0 : 1;
 377}
 378
 379static void check_write(void)
 380{
 381        if (!given_config_source.file && !startup_info->have_repository)
 382                die("not in a git directory");
 383
 384        if (given_config_source.use_stdin)
 385                die("writing to stdin is not supported");
 386
 387        if (given_config_source.blob)
 388                die("writing config blobs is not supported");
 389}
 390
 391struct urlmatch_current_candidate_value {
 392        char value_is_null;
 393        struct strbuf value;
 394};
 395
 396static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
 397{
 398        struct string_list *values = cb;
 399        struct string_list_item *item = string_list_insert(values, var);
 400        struct urlmatch_current_candidate_value *matched = item->util;
 401
 402        if (!matched) {
 403                matched = xmalloc(sizeof(*matched));
 404                strbuf_init(&matched->value, 0);
 405                item->util = matched;
 406        } else {
 407                strbuf_reset(&matched->value);
 408        }
 409
 410        if (value) {
 411                strbuf_addstr(&matched->value, value);
 412                matched->value_is_null = 0;
 413        } else {
 414                matched->value_is_null = 1;
 415        }
 416        return 0;
 417}
 418
 419static int get_urlmatch(const char *var, const char *url)
 420{
 421        int ret;
 422        char *section_tail;
 423        struct string_list_item *item;
 424        struct urlmatch_config config = { STRING_LIST_INIT_DUP };
 425        struct string_list values = STRING_LIST_INIT_DUP;
 426
 427        config.collect_fn = urlmatch_collect_fn;
 428        config.cascade_fn = NULL;
 429        config.cb = &values;
 430
 431        if (!url_normalize(url, &config.url))
 432                die("%s", config.url.err);
 433
 434        config.section = xstrdup_tolower(var);
 435        section_tail = strchr(config.section, '.');
 436        if (section_tail) {
 437                *section_tail = '\0';
 438                config.key = section_tail + 1;
 439                show_keys = 0;
 440        } else {
 441                config.key = NULL;
 442                show_keys = 1;
 443        }
 444
 445        config_with_options(urlmatch_config_entry, &config,
 446                            &given_config_source, &config_options);
 447
 448        ret = !values.nr;
 449
 450        for_each_string_list_item(item, &values) {
 451                struct urlmatch_current_candidate_value *matched = item->util;
 452                struct strbuf buf = STRBUF_INIT;
 453
 454                format_config(&buf, item->string,
 455                              matched->value_is_null ? NULL : matched->value.buf);
 456                fwrite(buf.buf, 1, buf.len, stdout);
 457                strbuf_release(&buf);
 458
 459                strbuf_release(&matched->value);
 460        }
 461        string_list_clear(&config.vars, 1);
 462        string_list_clear(&values, 1);
 463        free(config.url.url);
 464
 465        free((void *)config.section);
 466        return ret;
 467}
 468
 469static char *default_user_config(void)
 470{
 471        struct strbuf buf = STRBUF_INIT;
 472        strbuf_addf(&buf,
 473                    _("# This is Git's per-user configuration file.\n"
 474                      "[user]\n"
 475                      "# Please adapt and uncomment the following lines:\n"
 476                      "#        name = %s\n"
 477                      "#        email = %s\n"),
 478                    ident_default_name(),
 479                    ident_default_email());
 480        return strbuf_detach(&buf, NULL);
 481}
 482
 483int cmd_config(int argc, const char **argv, const char *prefix)
 484{
 485        int nongit = !startup_info->have_repository;
 486        char *value;
 487
 488        given_config_source.file = getenv(CONFIG_ENVIRONMENT);
 489
 490        argc = parse_options(argc, argv, prefix, builtin_config_options,
 491                             builtin_config_usage,
 492                             PARSE_OPT_STOP_AT_NON_OPTION);
 493
 494        if (use_global_config + use_system_config + use_local_config +
 495            !!given_config_source.file + !!given_config_source.blob > 1) {
 496                error("only one config file at a time.");
 497                usage_with_options(builtin_config_usage, builtin_config_options);
 498        }
 499
 500        if (given_config_source.file &&
 501                        !strcmp(given_config_source.file, "-")) {
 502                given_config_source.file = NULL;
 503                given_config_source.use_stdin = 1;
 504        }
 505
 506        if (use_global_config) {
 507                char *user_config = expand_user_path("~/.gitconfig", 0);
 508                char *xdg_config = xdg_config_home("config");
 509
 510                if (!user_config)
 511                        /*
 512                         * It is unknown if HOME/.gitconfig exists, so
 513                         * we do not know if we should write to XDG
 514                         * location; error out even if XDG_CONFIG_HOME
 515                         * is set and points at a sane location.
 516                         */
 517                        die("$HOME not set");
 518
 519                if (access_or_warn(user_config, R_OK, 0) &&
 520                    xdg_config && !access_or_warn(xdg_config, R_OK, 0))
 521                        given_config_source.file = xdg_config;
 522                else
 523                        given_config_source.file = user_config;
 524        }
 525        else if (use_system_config)
 526                given_config_source.file = git_etc_gitconfig();
 527        else if (use_local_config)
 528                given_config_source.file = git_pathdup("config");
 529        else if (given_config_source.file) {
 530                if (!is_absolute_path(given_config_source.file) && prefix)
 531                        given_config_source.file =
 532                                prefix_filename(prefix, given_config_source.file);
 533        }
 534
 535        if (respect_includes_opt == -1)
 536                config_options.respect_includes = !given_config_source.file;
 537        else
 538                config_options.respect_includes = respect_includes_opt;
 539        if (!nongit) {
 540                config_options.commondir = get_git_common_dir();
 541                config_options.git_dir = get_git_dir();
 542        }
 543
 544        if (end_null) {
 545                term = '\0';
 546                delim = '\n';
 547                key_delim = '\n';
 548        }
 549
 550        if (HAS_MULTI_BITS(types)) {
 551                error("only one type at a time.");
 552                usage_with_options(builtin_config_usage, builtin_config_options);
 553        }
 554
 555        if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && types) {
 556                error("--get-color and variable type are incoherent");
 557                usage_with_options(builtin_config_usage, builtin_config_options);
 558        }
 559
 560        if (HAS_MULTI_BITS(actions)) {
 561                error("only one action at a time.");
 562                usage_with_options(builtin_config_usage, builtin_config_options);
 563        }
 564        if (actions == 0)
 565                switch (argc) {
 566                case 1: actions = ACTION_GET; break;
 567                case 2: actions = ACTION_SET; break;
 568                case 3: actions = ACTION_SET_ALL; break;
 569                default:
 570                        usage_with_options(builtin_config_usage, builtin_config_options);
 571                }
 572        if (omit_values &&
 573            !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
 574                error("--name-only is only applicable to --list or --get-regexp");
 575                usage_with_options(builtin_config_usage, builtin_config_options);
 576        }
 577
 578        if (show_origin && !(actions &
 579                (ACTION_GET|ACTION_GET_ALL|ACTION_GET_REGEXP|ACTION_LIST))) {
 580                error("--show-origin is only applicable to --get, --get-all, "
 581                          "--get-regexp, and --list.");
 582                usage_with_options(builtin_config_usage, builtin_config_options);
 583        }
 584
 585        if (actions == ACTION_LIST) {
 586                check_argc(argc, 0, 0);
 587                if (config_with_options(show_all_config, NULL,
 588                                        &given_config_source,
 589                                        &config_options) < 0) {
 590                        if (given_config_source.file)
 591                                die_errno("unable to read config file '%s'",
 592                                          given_config_source.file);
 593                        else
 594                                die("error processing config file(s)");
 595                }
 596        }
 597        else if (actions == ACTION_EDIT) {
 598                char *config_file;
 599
 600                check_argc(argc, 0, 0);
 601                if (!given_config_source.file && nongit)
 602                        die("not in a git directory");
 603                if (given_config_source.use_stdin)
 604                        die("editing stdin is not supported");
 605                if (given_config_source.blob)
 606                        die("editing blobs is not supported");
 607                git_config(git_default_config, NULL);
 608                config_file = given_config_source.file ?
 609                                xstrdup(given_config_source.file) :
 610                                git_pathdup("config");
 611                if (use_global_config) {
 612                        int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
 613                        if (fd >= 0) {
 614                                char *content = default_user_config();
 615                                write_str_in_full(fd, content);
 616                                free(content);
 617                                close(fd);
 618                        }
 619                        else if (errno != EEXIST)
 620                                die_errno(_("cannot create configuration file %s"), config_file);
 621                }
 622                launch_editor(config_file, NULL, NULL);
 623                free(config_file);
 624        }
 625        else if (actions == ACTION_SET) {
 626                int ret;
 627                check_write();
 628                check_argc(argc, 2, 2);
 629                value = normalize_value(argv[0], argv[1]);
 630                ret = git_config_set_in_file_gently(given_config_source.file, argv[0], value);
 631                if (ret == CONFIG_NOTHING_SET)
 632                        error(_("cannot overwrite multiple values with a single value\n"
 633                        "       Use a regexp, --add or --replace-all to change %s."), argv[0]);
 634                return ret;
 635        }
 636        else if (actions == ACTION_SET_ALL) {
 637                check_write();
 638                check_argc(argc, 2, 3);
 639                value = normalize_value(argv[0], argv[1]);
 640                return git_config_set_multivar_in_file_gently(given_config_source.file,
 641                                                              argv[0], value, argv[2], 0);
 642        }
 643        else if (actions == ACTION_ADD) {
 644                check_write();
 645                check_argc(argc, 2, 2);
 646                value = normalize_value(argv[0], argv[1]);
 647                return git_config_set_multivar_in_file_gently(given_config_source.file,
 648                                                              argv[0], value,
 649                                                              CONFIG_REGEX_NONE, 0);
 650        }
 651        else if (actions == ACTION_REPLACE_ALL) {
 652                check_write();
 653                check_argc(argc, 2, 3);
 654                value = normalize_value(argv[0], argv[1]);
 655                return git_config_set_multivar_in_file_gently(given_config_source.file,
 656                                                              argv[0], value, argv[2], 1);
 657        }
 658        else if (actions == ACTION_GET) {
 659                check_argc(argc, 1, 2);
 660                return get_value(argv[0], argv[1]);
 661        }
 662        else if (actions == ACTION_GET_ALL) {
 663                do_all = 1;
 664                check_argc(argc, 1, 2);
 665                return get_value(argv[0], argv[1]);
 666        }
 667        else if (actions == ACTION_GET_REGEXP) {
 668                show_keys = 1;
 669                use_key_regexp = 1;
 670                do_all = 1;
 671                check_argc(argc, 1, 2);
 672                return get_value(argv[0], argv[1]);
 673        }
 674        else if (actions == ACTION_GET_URLMATCH) {
 675                check_argc(argc, 2, 2);
 676                return get_urlmatch(argv[0], argv[1]);
 677        }
 678        else if (actions == ACTION_UNSET) {
 679                check_write();
 680                check_argc(argc, 1, 2);
 681                if (argc == 2)
 682                        return git_config_set_multivar_in_file_gently(given_config_source.file,
 683                                                                      argv[0], NULL, argv[1], 0);
 684                else
 685                        return git_config_set_in_file_gently(given_config_source.file,
 686                                                             argv[0], NULL);
 687        }
 688        else if (actions == ACTION_UNSET_ALL) {
 689                check_write();
 690                check_argc(argc, 1, 2);
 691                return git_config_set_multivar_in_file_gently(given_config_source.file,
 692                                                              argv[0], NULL, argv[1], 1);
 693        }
 694        else if (actions == ACTION_RENAME_SECTION) {
 695                int ret;
 696                check_write();
 697                check_argc(argc, 2, 2);
 698                ret = git_config_rename_section_in_file(given_config_source.file,
 699                                                        argv[0], argv[1]);
 700                if (ret < 0)
 701                        return ret;
 702                if (ret == 0)
 703                        die("No such section!");
 704        }
 705        else if (actions == ACTION_REMOVE_SECTION) {
 706                int ret;
 707                check_write();
 708                check_argc(argc, 1, 1);
 709                ret = git_config_rename_section_in_file(given_config_source.file,
 710                                                        argv[0], NULL);
 711                if (ret < 0)
 712                        return ret;
 713                if (ret == 0)
 714                        die("No such section!");
 715        }
 716        else if (actions == ACTION_GET_COLOR) {
 717                check_argc(argc, 1, 2);
 718                get_color(argv[0], argv[1]);
 719        }
 720        else if (actions == ACTION_GET_COLORBOOL) {
 721                check_argc(argc, 1, 2);
 722                if (argc == 2)
 723                        color_stdout_is_tty = git_config_bool("command line", argv[1]);
 724                return get_colorbool(argv[0], argc == 2);
 725        }
 726
 727        return 0;
 728}