/src/git/builtin/config.c

Source (jump to first uncovered line)
#include "builtin.h"
#include "abspath.h"
#include "config.h"
#include "color.h"
#include "editor.h"
#include "environment.h"
#include "repository.h"
#include "gettext.h"
#include "ident.h"
#include "parse-options.h"
#include "urlmatch.h"
#include "path.h"
#include "quote.h"
#include "setup.h"
#include "strbuf.h"
#include "worktree.h"

static const char *const builtin_config_usage[] = {
  N_("git config list [<file-option>] [<display-option>] [--includes]"),
  N_("git config get [<file-option>] [<display-option>] [--includes] [--all] [--regexp] [--value=<value>] [--fixed-value] [--default=<default>] <name>"),
  N_("git config set [<file-option>] [--type=<type>] [--all] [--value=<value>] [--fixed-value] <name> <value>"),
  N_("git config unset [<file-option>] [--all] [--value=<value>] [--fixed-value] <name> <value>"),
  N_("git config rename-section [<file-option>] <old-name> <new-name>"),
  N_("git config remove-section [<file-option>] <name>"),
  N_("git config edit [<file-option>]"),
  N_("git config [<file-option>] --get-colorbool <name> [<stdout-is-tty>]"),
  NULL
};

static const char *const builtin_config_list_usage[] = {
  N_("git config list [<file-option>] [<display-option>] [--includes]"),
  NULL
};

static const char *const builtin_config_get_usage[] = {
  N_("git config get [<file-option>] [<display-option>] [--includes] [--all] [--regexp=<regexp>] [--value=<value>] [--fixed-value] [--default=<default>] <name>"),
  NULL
};

static const char *const builtin_config_set_usage[] = {
  N_("git config set [<file-option>] [--type=<type>] [--comment=<message>] [--all] [--value=<value>] [--fixed-value] <name> <value>"),
  NULL
};

static const char *const builtin_config_unset_usage[] = {
  N_("git config unset [<file-option>] [--all] [--value=<value>] [--fixed-value] <name> <value>"),
  NULL
};

static const char *const builtin_config_rename_section_usage[] = {
  N_("git config rename-section [<file-option>] <old-name> <new-name>"),
  NULL
};

static const char *const builtin_config_remove_section_usage[] = {
  N_("git config remove-section [<file-option>] <name>"),
  NULL
};

static const char *const builtin_config_edit_usage[] = {
  N_("git config edit [<file-option>]"),
  NULL
};

#define CONFIG_LOCATION_OPTIONS(opts) \
  OPT_GROUP(N_("Config file location")), \
  OPT_BOOL(0, "global", &opts.use_global_config, N_("use global config file")), \
  OPT_BOOL(0, "system", &opts.use_system_config, N_("use system config file")), \
  OPT_BOOL(0, "local", &opts.use_local_config, N_("use repository config file")), \
  OPT_BOOL(0, "worktree", &opts.use_worktree_config, N_("use per-worktree config file")), \
  OPT_STRING('f', "file", &opts.source.file, N_("file"), N_("use given config file")), \
  OPT_STRING(0, "blob", &opts.source.blob, N_("blob-id"), N_("read config from given blob object"))

struct config_location_options {
  struct git_config_source source;
  struct config_options options;
  char *file_to_free;
  int use_global_config;
  int use_system_config;
  int use_local_config;
  int use_worktree_config;
  int respect_includes_opt;
};
#define CONFIG_LOCATION_OPTIONS_INIT { \
  .respect_includes_opt = -1, \
}

#define CONFIG_TYPE_OPTIONS(type) \
  OPT_GROUP(N_("Type")), \
  OPT_CALLBACK('t', "type", &type, N_("type"), N_("value is given this type"), option_parse_type), \
  OPT_CALLBACK_VALUE(0, "bool", &type, N_("value is \"true\" or \"false\""), TYPE_BOOL), \
  OPT_CALLBACK_VALUE(0, "int", &type, N_("value is decimal number"), TYPE_INT), \
  OPT_CALLBACK_VALUE(0, "bool-or-int", &type, N_("value is --bool or --int"), TYPE_BOOL_OR_INT), \
  OPT_CALLBACK_VALUE(0, "bool-or-str", &type, N_("value is --bool or string"), TYPE_BOOL_OR_STR), \
  OPT_CALLBACK_VALUE(0, "path", &type, N_("value is a path (file or directory name)"), TYPE_PATH), \
  OPT_CALLBACK_VALUE(0, "expiry-date", &type, N_("value is an expiry date"), TYPE_EXPIRY_DATE)

#define CONFIG_DISPLAY_OPTIONS(opts) \
  OPT_GROUP(N_("Display options")), \
  OPT_BOOL('z', "null", &opts.end_nul, N_("terminate values with NUL byte")), \
  OPT_BOOL(0, "name-only", &opts.omit_values, N_("show variable names only")), \
  OPT_BOOL(0, "show-origin", &opts.show_origin, N_("show origin of config (file, standard input, blob, command line)")), \
  OPT_BOOL(0, "show-scope", &opts.show_scope, N_("show scope of config (worktree, local, global, system, command)")), \
  OPT_BOOL(0, "show-names", &opts.show_keys, N_("show config keys in addition to their values")), \
  CONFIG_TYPE_OPTIONS(opts.type)

struct config_display_options {
  int end_nul;
  int omit_values;
  int show_origin;
  int show_scope;
  int show_keys;
  int type;
  char *default_value;
  /* Populated via `display_options_init()`. */
  int term;
  int delim;
  int key_delim;
};
#define CONFIG_DISPLAY_OPTIONS_INIT { \
  .term = '\n', \
  .delim = '=', \
  .key_delim = ' ', \
}

#define TYPE_BOOL   1
#define TYPE_INT    2
#define TYPE_BOOL_OR_INT  3
#define TYPE_PATH   4
#define TYPE_EXPIRY_DATE  5
#define TYPE_COLOR    6
#define TYPE_BOOL_OR_STR  7

#define OPT_CALLBACK_VALUE(s, l, v, h, i) \
  { OPTION_CALLBACK, (s), (l), (v), NULL, (h), PARSE_OPT_NOARG | \
  PARSE_OPT_NONEG, option_parse_type, (i) }

static int option_parse_type(const struct option *opt, const char *arg,
           int unset)
{
  int new_type, *to_type;

  if (unset) {
    *((int *) opt->value) = 0;
    return 0;
  }

  /*
   * To support '--<type>' style flags, begin with new_type equal to
   * opt->defval.
   */
  new_type = opt->defval;
  if (!new_type) {
    if (!strcmp(arg, "bool"))
      new_type = TYPE_BOOL;
    else if (!strcmp(arg, "int"))
      new_type = TYPE_INT;
    else if (!strcmp(arg, "bool-or-int"))
      new_type = TYPE_BOOL_OR_INT;
    else if (!strcmp(arg, "bool-or-str"))
      new_type = TYPE_BOOL_OR_STR;
    else if (!strcmp(arg, "path"))
      new_type = TYPE_PATH;
    else if (!strcmp(arg, "expiry-date"))
      new_type = TYPE_EXPIRY_DATE;
    else if (!strcmp(arg, "color"))
      new_type = TYPE_COLOR;
    else
      die(_("unrecognized --type argument, %s"), arg);
  }

  to_type = opt->value;
  if (*to_type && *to_type != new_type) {
    /*
     * Complain when there is a new type not equal to the old type.
     * This allows for combinations like '--int --type=int' and
     * '--type=int --type=int', but disallows ones like '--type=bool
     * --int' and '--type=bool
     * --type=int'.
     */
    error(_("only one type at a time"));
    exit(129);
  }
  *to_type = new_type;

  return 0;
}

static void check_argc(int argc, int min, int max)
{
  if (argc >= min && argc <= max)
    return;
  if (min == max)
    error(_("wrong number of arguments, should be %d"), min);
  else
    error(_("wrong number of arguments, should be from %d to %d"),
          min, max);
  exit(129);
}

static void show_config_origin(const struct config_display_options *opts,
             const struct key_value_info *kvi,
             struct strbuf *buf)
{
  const char term = opts->end_nul ? '\0' : '\t';

  strbuf_addstr(buf, config_origin_type_name(kvi->origin_type));
  strbuf_addch(buf, ':');
  if (opts->end_nul)
    strbuf_addstr(buf, kvi->filename ? kvi->filename : "");
  else
    quote_c_style(kvi->filename ? kvi->filename : "", buf, NULL, 0);
  strbuf_addch(buf, term);
}

static void show_config_scope(const struct config_display_options *opts,
            const struct key_value_info *kvi,
            struct strbuf *buf)
{
  const char term = opts->end_nul ? '\0' : '\t';
  const char *scope = config_scope_name(kvi->scope);

  strbuf_addstr(buf, N_(scope));
  strbuf_addch(buf, term);
}

static int show_all_config(const char *key_, const char *value_,
         const struct config_context *ctx,
         void *cb)
{
  const struct config_display_options *opts = cb;
  const struct key_value_info *kvi = ctx->kvi;

  if (opts->show_origin || opts->show_scope) {
    struct strbuf buf = STRBUF_INIT;
    if (opts->show_scope)
      show_config_scope(opts, kvi, &buf);
    if (opts->show_origin)
      show_config_origin(opts, kvi, &buf);
    /* Use fwrite as "buf" can contain \0's if "end_null" is set. */
    fwrite(buf.buf, 1, buf.len, stdout);
    strbuf_release(&buf);
  }
  if (!opts->omit_values && value_)
    printf("%s%c%s%c", key_, opts->delim, value_, opts->term);
  else
    printf("%s%c", key_, opts->term);
  return 0;
}

struct strbuf_list {
  struct strbuf *items;
  int nr;
  int alloc;
};

static int format_config(const struct config_display_options *opts,
       struct strbuf *buf, const char *key_,
       const char *value_, const struct key_value_info *kvi)
{
  if (opts->show_scope)
    show_config_scope(opts, kvi, buf);
  if (opts->show_origin)
    show_config_origin(opts, kvi, buf);
  if (opts->show_keys)
    strbuf_addstr(buf, key_);
  if (!opts->omit_values) {
    if (opts->show_keys)
      strbuf_addch(buf, opts->key_delim);

    if (opts->type == TYPE_INT)
      strbuf_addf(buf, "%"PRId64,
            git_config_int64(key_, value_ ? value_ : "", kvi));
    else if (opts->type == TYPE_BOOL)
      strbuf_addstr(buf, git_config_bool(key_, value_) ?
              "true" : "false");
    else if (opts->type == TYPE_BOOL_OR_INT) {
      int is_bool, v;
      v = git_config_bool_or_int(key_, value_, kvi,
               &is_bool);
      if (is_bool)
        strbuf_addstr(buf, v ? "true" : "false");
      else
        strbuf_addf(buf, "%d", v);
    } else if (opts->type == TYPE_BOOL_OR_STR) {
      int v = git_parse_maybe_bool(value_);
      if (v < 0)
        strbuf_addstr(buf, value_);
      else
        strbuf_addstr(buf, v ? "true" : "false");
    } else if (opts->type == TYPE_PATH) {
      char *v;
      if (git_config_pathname(&v, key_, value_) < 0)
        return -1;
      strbuf_addstr(buf, v);
      free((char *)v);
    } else if (opts->type == TYPE_EXPIRY_DATE) {
      timestamp_t t;
      if (git_config_expiry_date(&t, key_, value_) < 0)
        return -1;
      strbuf_addf(buf, "%"PRItime, t);
    } else if (opts->type == TYPE_COLOR) {
      char v[COLOR_MAXLEN];
      if (git_config_color(v, key_, value_) < 0)
        return -1;
      strbuf_addstr(buf, v);
    } else if (value_) {
      strbuf_addstr(buf, value_);
    } else {
      /* Just show the key name; back out delimiter */
      if (opts->show_keys)
        strbuf_setlen(buf, buf->len - 1);
    }
  }
  strbuf_addch(buf, opts->term);
  return 0;
}

#define GET_VALUE_ALL        (1 << 0)
#define GET_VALUE_KEY_REGEXP (1 << 1)

struct collect_config_data {
  const struct config_display_options *display_opts;
  struct strbuf_list *values;
  const char *value_pattern;
  const char *key;
  regex_t *regexp;
  regex_t *key_regexp;
  int do_not_match;
  unsigned get_value_flags;
  unsigned flags;
};

static int collect_config(const char *key_, const char *value_,
        const struct config_context *ctx, void *cb)
{
  struct collect_config_data *data = cb;
  struct strbuf_list *values = data->values;
  const struct key_value_info *kvi = ctx->kvi;

  if (!(data->get_value_flags & GET_VALUE_KEY_REGEXP) &&
      strcmp(key_, data->key))
    return 0;
  if ((data->get_value_flags & GET_VALUE_KEY_REGEXP) &&
      regexec(data->key_regexp, key_, 0, NULL, 0))
    return 0;
  if ((data->flags & CONFIG_FLAGS_FIXED_VALUE) &&
      strcmp(data->value_pattern, (value_?value_:"")))
    return 0;
  if (data->regexp &&
      (data->do_not_match ^ !!regexec(data->regexp, (value_?value_:""), 0, NULL, 0)))
    return 0;

  ALLOC_GROW(values->items, values->nr + 1, values->alloc);
  strbuf_init(&values->items[values->nr], 0);

  return format_config(data->display_opts, &values->items[values->nr++],
           key_, value_, kvi);
}

static int get_value(const struct config_location_options *opts,
         const struct config_display_options *display_opts,
         const char *key_, const char *regex_,
         unsigned get_value_flags, unsigned flags)
{
  int ret = CONFIG_GENERIC_ERROR;
  struct strbuf_list values = {NULL};
  struct collect_config_data data = {
    .display_opts = display_opts,
    .values = &values,
    .get_value_flags = get_value_flags,
    .flags = flags,
  };
  char *key = NULL;
  int i;

  if (get_value_flags & GET_VALUE_KEY_REGEXP) {
    char *tl;

    /*
     * NEEDSWORK: this naive pattern lowercasing obviously does not
     * work for more complex patterns like "^[^.]*Foo.*bar".
     * Perhaps we should deprecate this altogether someday.
     */

    key = xstrdup(key_);
    for (tl = key + strlen(key) - 1;
         tl >= key && *tl != '.';
         tl--)
      *tl = tolower(*tl);
    for (tl = key; *tl && *tl != '.'; tl++)
      *tl = tolower(*tl);

    data.key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
    if (regcomp(data.key_regexp, key, REG_EXTENDED)) {
      error(_("invalid key pattern: %s"), key_);
      FREE_AND_NULL(data.key_regexp);
      ret = CONFIG_INVALID_PATTERN;
      goto free_strings;
    }
  } else {
    if (git_config_parse_key(key_, &key, NULL)) {
      ret = CONFIG_INVALID_KEY;
      goto free_strings;
    }

    data.key = key;
  }

  if (regex_ && (flags & CONFIG_FLAGS_FIXED_VALUE))
    data.value_pattern = regex_;
  else if (regex_) {
    if (regex_[0] == '!') {
      data.do_not_match = 1;
      regex_++;
    }

    data.regexp = (regex_t*)xmalloc(sizeof(regex_t));
    if (regcomp(data.regexp, regex_, REG_EXTENDED)) {
      error(_("invalid pattern: %s"), regex_);
      FREE_AND_NULL(data.regexp);
      ret = CONFIG_INVALID_PATTERN;
      goto free_strings;
    }
  }

  config_with_options(collect_config, &data,
          &opts->source, the_repository,
          &opts->options);

  if (!values.nr && display_opts->default_value) {
    struct key_value_info kvi = KVI_INIT;
    struct strbuf *item;

    kvi_from_param(&kvi);
    ALLOC_GROW(values.items, values.nr + 1, values.alloc);
    item = &values.items[values.nr++];
    strbuf_init(item, 0);
    if (format_config(display_opts, item, key_,
          display_opts->default_value, &kvi) < 0)
      die(_("failed to format default config value: %s"),
          display_opts->default_value);
  }

  ret = !values.nr;

  for (i = 0; i < values.nr; i++) {
    struct strbuf *buf = values.items + i;
    if ((get_value_flags & GET_VALUE_ALL) || i == values.nr - 1)
      fwrite(buf->buf, 1, buf->len, stdout);
    strbuf_release(buf);
  }
  free(values.items);

free_strings:
  free(key);
  if (data.key_regexp) {
    regfree(data.key_regexp);
    free(data.key_regexp);
  }
  if (data.regexp) {
    regfree(data.regexp);
    free(data.regexp);
  }

  return ret;
}

static char *normalize_value(const char *key, const char *value,
           int type, struct key_value_info *kvi)
{
  if (!value)
    return NULL;

  if (type == 0 || type == TYPE_PATH || type == TYPE_EXPIRY_DATE)
    /*
     * We don't do normalization for TYPE_PATH here: If
     * the path is like ~/foobar/, we prefer to store
     * "~/foobar/" in the config file, and to expand the ~
     * when retrieving the value.
     * Also don't do normalization for expiry dates.
     */
    return xstrdup(value);
  if (type == TYPE_INT)
    return xstrfmt("%"PRId64, git_config_int64(key, value, kvi));
  if (type == TYPE_BOOL)
    return xstrdup(git_config_bool(key, value) ?  "true" : "false");
  if (type == TYPE_BOOL_OR_INT) {
    int is_bool, v;
    v = git_config_bool_or_int(key, value, kvi, &is_bool);
    if (!is_bool)
      return xstrfmt("%d", v);
    else
      return xstrdup(v ? "true" : "false");
  }
  if (type == TYPE_BOOL_OR_STR) {
    int v = git_parse_maybe_bool(value);
    if (v < 0)
      return xstrdup(value);
    else
      return xstrdup(v ? "true" : "false");
  }
  if (type == TYPE_COLOR) {
    char v[COLOR_MAXLEN];
    if (git_config_color(v, key, value))
      die(_("cannot parse color '%s'"), value);

    /*
     * The contents of `v` now contain an ANSI escape
     * sequence, not suitable for including within a
     * configuration file. Treat the above as a
     * "sanity-check", and return the given value, which we
     * know is representable as valid color code.
     */
    return xstrdup(value);
  }

  BUG("cannot normalize type %d", type);
}

struct get_color_config_data {
  int get_color_found;
  const char *get_color_slot;
  char parsed_color[COLOR_MAXLEN];
};

static int git_get_color_config(const char *var, const char *value,
        const struct config_context *ctx UNUSED,
        void *cb)
{
  struct get_color_config_data *data = cb;

  if (!strcmp(var, data->get_color_slot)) {
    if (!value)
      config_error_nonbool(var);
    if (color_parse(value, data->parsed_color) < 0)
      return -1;
    data->get_color_found = 1;
  }
  return 0;
}

static void get_color(const struct config_location_options *opts,
          const char *var, const char *def_color)
{
  struct get_color_config_data data = {
    .get_color_slot = var,
    .parsed_color[0] = '\0',
  };

  config_with_options(git_get_color_config, &data,
          &opts->source, the_repository,
          &opts->options);

  if (!data.get_color_found && def_color) {
    if (color_parse(def_color, data.parsed_color) < 0)
      die(_("unable to parse default color value"));
  }

  fputs(data.parsed_color, stdout);
}

struct get_colorbool_config_data {
  int get_colorbool_found;
  int get_diff_color_found;
  int get_color_ui_found;
  const char *get_colorbool_slot;
};

static int git_get_colorbool_config(const char *var, const char *value,
            const struct config_context *ctx UNUSED,
            void *cb)
{
  struct get_colorbool_config_data *data = cb;

  if (!strcmp(var, data->get_colorbool_slot))
    data->get_colorbool_found = git_config_colorbool(var, value);
  else if (!strcmp(var, "diff.color"))
    data->get_diff_color_found = git_config_colorbool(var, value);
  else if (!strcmp(var, "color.ui"))
    data->get_color_ui_found = git_config_colorbool(var, value);
  return 0;
}

static int get_colorbool(const struct config_location_options *opts,
       const char *var, int print)
{
  struct get_colorbool_config_data data = {
    .get_colorbool_slot = var,
    .get_colorbool_found = -1,
    .get_diff_color_found = -1,
    .get_color_ui_found = -1,
  };

  config_with_options(git_get_colorbool_config, &data,
          &opts->source, the_repository,
          &opts->options);

  if (data.get_colorbool_found < 0) {
    if (!strcmp(data.get_colorbool_slot, "color.diff"))
      data.get_colorbool_found = data.get_diff_color_found;
    if (data.get_colorbool_found < 0)
      data.get_colorbool_found = data.get_color_ui_found;
  }

  if (data.get_colorbool_found < 0)
    /* default value if none found in config */
    data.get_colorbool_found = GIT_COLOR_AUTO;

  data.get_colorbool_found = want_color(data.get_colorbool_found);

  if (print) {
    printf("%s\n", data.get_colorbool_found ? "true" : "false");
    return 0;
  } else
    return data.get_colorbool_found ? 0 : 1;
}

static void check_write(const struct git_config_source *source)
{
  if (!source->file && !startup_info->have_repository)
    die(_("not in a git directory"));

  if (source->use_stdin)
    die(_("writing to stdin is not supported"));

  if (source->blob)
    die(_("writing config blobs is not supported"));
}

struct urlmatch_current_candidate_value {
  char value_is_null;
  struct strbuf value;
  struct key_value_info kvi;
};

static int urlmatch_collect_fn(const char *var, const char *value,
             const struct config_context *ctx,
             void *cb)
{
  struct string_list *values = cb;
  struct string_list_item *item = string_list_insert(values, var);
  struct urlmatch_current_candidate_value *matched = item->util;
  const struct key_value_info *kvi = ctx->kvi;

  if (!matched) {
    matched = xmalloc(sizeof(*matched));
    strbuf_init(&matched->value, 0);
    item->util = matched;
  } else {
    strbuf_reset(&matched->value);
  }
  matched->kvi = *kvi;

  if (value) {
    strbuf_addstr(&matched->value, value);
    matched->value_is_null = 0;
  } else {
    matched->value_is_null = 1;
  }
  return 0;
}

static int get_urlmatch(const struct config_location_options *opts,
      const struct config_display_options *_display_opts,
      const char *var, const char *url)
{
  int ret;
  char *section_tail;
  struct config_display_options display_opts = *_display_opts;
  struct string_list_item *item;
  struct urlmatch_config config = URLMATCH_CONFIG_INIT;
  struct string_list values = STRING_LIST_INIT_DUP;

  config.collect_fn = urlmatch_collect_fn;
  config.cascade_fn = NULL;
  config.cb = &values;

  if (!url_normalize(url, &config.url))
    die("%s", config.url.err);

  config.section = xstrdup_tolower(var);
  section_tail = strchr(config.section, '.');
  if (section_tail) {
    *section_tail = '\0';
    config.key = section_tail + 1;
    display_opts.show_keys = 0;
  } else {
    config.key = NULL;
    display_opts.show_keys = 1;
  }

  config_with_options(urlmatch_config_entry, &config,
          &opts->source, the_repository,
          &opts->options);

  ret = !values.nr;

  for_each_string_list_item(item, &values) {
    struct urlmatch_current_candidate_value *matched = item->util;
    struct strbuf buf = STRBUF_INIT;

    format_config(&display_opts, &buf, item->string,
            matched->value_is_null ? NULL : matched->value.buf,
            &matched->kvi);
    fwrite(buf.buf, 1, buf.len, stdout);
    strbuf_release(&buf);

    strbuf_release(&matched->value);
  }
  urlmatch_config_release(&config);
  string_list_clear(&values, 1);
  free(config.url.url);

  free((void *)config.section);
  return ret;
}

static char *default_user_config(void)
{
  struct strbuf buf = STRBUF_INIT;
  strbuf_addf(&buf,
        _("# This is Git's per-user configuration file.\n"
          "[user]\n"
          "# Please adapt and uncomment the following lines:\n"
          "#  name = %s\n"
          "#  email = %s\n"),
        ident_default_name(),
        ident_default_email());
  return strbuf_detach(&buf, NULL);
}

static void location_options_init(struct config_location_options *opts,
          const char *prefix)
{
  if (!opts->source.file)
    opts->source.file = opts->file_to_free =
      xstrdup_or_null(getenv(CONFIG_ENVIRONMENT));

  if (opts->use_global_config + opts->use_system_config +
      opts->use_local_config + opts->use_worktree_config +
      !!opts->source.file + !!opts->source.blob > 1) {
    error(_("only one config file at a time"));
    exit(129);
  }

  if (!startup_info->have_repository) {
    if (opts->use_local_config)
      die(_("--local can only be used inside a git repository"));
    if (opts->source.blob)
      die(_("--blob can only be used inside a git repository"));
    if (opts->use_worktree_config)
      die(_("--worktree can only be used inside a git repository"));
  }

  if (opts->source.file &&
      !strcmp(opts->source.file, "-")) {
    opts->source.file = NULL;
    opts->source.use_stdin = 1;
    opts->source.scope = CONFIG_SCOPE_COMMAND;
  }

  if (opts->use_global_config) {
    opts->source.file = opts->file_to_free = git_global_config();
    if (!opts->source.file)
      /*
       * It is unknown if HOME/.gitconfig exists, so
       * we do not know if we should write to XDG
       * location; error out even if XDG_CONFIG_HOME
       * is set and points at a sane location.
       */
      die(_("$HOME not set"));
    opts->source.scope = CONFIG_SCOPE_GLOBAL;
  } else if (opts->use_system_config) {
    opts->source.file = opts->file_to_free = git_system_config();
    opts->source.scope = CONFIG_SCOPE_SYSTEM;
  } else if (opts->use_local_config) {
    opts->source.file = opts->file_to_free = git_pathdup("config");
    opts->source.scope = CONFIG_SCOPE_LOCAL;
  } else if (opts->use_worktree_config) {
    struct worktree **worktrees = get_worktrees();
    if (the_repository->repository_format_worktree_config)
      opts->source.file = opts->file_to_free =
        git_pathdup("config.worktree");
    else if (worktrees[0] && worktrees[1])
      die(_("--worktree cannot be used with multiple "
            "working trees unless the config\n"
            "extension worktreeConfig is enabled. "
            "Please read \"CONFIGURATION FILE\"\n"
            "section in \"git help worktree\" for details"));
    else
      opts->source.file = opts->file_to_free =
        git_pathdup("config");
    opts->source.scope = CONFIG_SCOPE_LOCAL;
    free_worktrees(worktrees);
  } else if (opts->source.file) {
    if (!is_absolute_path(opts->source.file) && prefix)
      opts->source.file = opts->file_to_free =
        prefix_filename(prefix, opts->source.file);
    opts->source.scope = CONFIG_SCOPE_COMMAND;
  } else if (opts->source.blob) {
    opts->source.scope = CONFIG_SCOPE_COMMAND;
  }

  if (opts->respect_includes_opt == -1)
    opts->options.respect_includes = !opts->source.file;
  else
    opts->options.respect_includes = opts->respect_includes_opt;
  if (startup_info->have_repository) {
    opts->options.commondir = get_git_common_dir();
    opts->options.git_dir = get_git_dir();
  }
}

static void location_options_release(struct config_location_options *opts)
{
  free(opts->file_to_free);
}

static void display_options_init(struct config_display_options *opts)
{
  if (opts->end_nul) {
    opts->term = '\0';
    opts->delim = '\n';
    opts->key_delim = '\n';
  }
}

static int cmd_config_list(int argc, const char **argv, const char *prefix)
{
  struct config_location_options location_opts = CONFIG_LOCATION_OPTIONS_INIT;
  struct config_display_options display_opts = CONFIG_DISPLAY_OPTIONS_INIT;
  struct option opts[] = {
    CONFIG_LOCATION_OPTIONS(location_opts),
    CONFIG_DISPLAY_OPTIONS(display_opts),
    OPT_GROUP(N_("Other")),
    OPT_BOOL(0, "includes", &location_opts.respect_includes_opt,
       N_("respect include directives on lookup")),
    OPT_END(),
  };

  argc = parse_options(argc, argv, prefix, opts, builtin_config_list_usage, 0);
  check_argc(argc, 0, 0);

  location_options_init(&location_opts, prefix);
  display_options_init(&display_opts);

  setup_auto_pager("config", 1);

  if (config_with_options(show_all_config, &display_opts,
        &location_opts.source, the_repository,
        &location_opts.options) < 0) {
    if (location_opts.source.file)
      die_errno(_("unable to read config file '%s'"),
          location_opts.source.file);
    else
      die(_("error processing config file(s)"));
  }

  location_options_release(&location_opts);
  return 0;
}

static int cmd_config_get(int argc, const char **argv, const char *prefix)
{
  struct config_location_options location_opts = CONFIG_LOCATION_OPTIONS_INIT;
  struct config_display_options display_opts = CONFIG_DISPLAY_OPTIONS_INIT;
  const char *value_pattern = NULL, *url = NULL;
  int flags = 0;
  unsigned get_value_flags = 0;
  struct option opts[] = {
    CONFIG_LOCATION_OPTIONS(location_opts),
    OPT_GROUP(N_("Filter options")),
    OPT_BIT(0, "all", &get_value_flags, N_("return all values for multi-valued config options"), GET_VALUE_ALL),
    OPT_BIT(0, "regexp", &get_value_flags, N_("interpret the name as a regular expression"), GET_VALUE_KEY_REGEXP),
    OPT_STRING(0, "value", &value_pattern, N_("pattern"), N_("show config with values matching the pattern")),
    OPT_BIT(0, "fixed-value", &flags, N_("use string equality when comparing values to value pattern"), CONFIG_FLAGS_FIXED_VALUE),
    OPT_STRING(0, "url", &url, N_("URL"), N_("show config matching the given URL")),
    CONFIG_DISPLAY_OPTIONS(display_opts),
    OPT_GROUP(N_("Other")),
    OPT_BOOL(0, "includes", &location_opts.respect_includes_opt,
       N_("respect include directives on lookup")),
    OPT_STRING(0, "default", &display_opts.default_value,
         N_("value"), N_("use default value when missing entry")),
    OPT_END(),
  };
  int ret;

  argc = parse_options(argc, argv, prefix, opts, builtin_config_get_usage,
           PARSE_OPT_STOP_AT_NON_OPTION);
  check_argc(argc, 1, 1);

  if ((flags & CONFIG_FLAGS_FIXED_VALUE) && !value_pattern)
    die(_("--fixed-value only applies with 'value-pattern'"));
  if (display_opts.default_value &&
      ((get_value_flags & GET_VALUE_ALL) || url))
    die(_("--default= cannot be used with --all or --url="));
  if (url && ((get_value_flags & GET_VALUE_ALL) ||
        (get_value_flags & GET_VALUE_KEY_REGEXP) ||
        value_pattern))
    die(_("--url= cannot be used with --all, --regexp or --value"));

  location_options_init(&location_opts, prefix);
  display_options_init(&display_opts);

  setup_auto_pager("config", 1);

  if (url)
    ret = get_urlmatch(&location_opts, &display_opts, argv[0], url);
  else
    ret = get_value(&location_opts, &display_opts, argv[0], value_pattern,
        get_value_flags, flags);

  location_options_release(&location_opts);
  return ret;
}

static int cmd_config_set(int argc, const char **argv, const char *prefix)
{
  struct config_location_options location_opts = CONFIG_LOCATION_OPTIONS_INIT;
  const char *value_pattern = NULL, *comment_arg = NULL;
  char *comment = NULL;
  int flags = 0, append = 0, type = 0;
  struct option opts[] = {
    CONFIG_LOCATION_OPTIONS(location_opts),
    CONFIG_TYPE_OPTIONS(type),
    OPT_GROUP(N_("Filter")),
    OPT_BIT(0, "all", &flags, N_("replace multi-valued config option with new value"), CONFIG_FLAGS_MULTI_REPLACE),
    OPT_STRING(0, "value", &value_pattern, N_("pattern"), N_("show config with values matching the pattern")),
    OPT_BIT(0, "fixed-value", &flags, N_("use string equality when comparing values to value pattern"), CONFIG_FLAGS_FIXED_VALUE),
    OPT_GROUP(N_("Other")),
    OPT_STRING(0, "comment", &comment_arg, N_("value"), N_("human-readable comment string (# will be prepended as needed)")),
    OPT_BOOL(0, "append", &append, N_("add a new line without altering any existing values")),
    OPT_END(),
  };
  struct key_value_info default_kvi = KVI_INIT;
  char *value;
  int ret;

  argc = parse_options(argc, argv, prefix, opts, builtin_config_set_usage,
           PARSE_OPT_STOP_AT_NON_OPTION);
  check_argc(argc, 2, 2);

  if ((flags & CONFIG_FLAGS_FIXED_VALUE) && !value_pattern)
    die(_("--fixed-value only applies with --value=<pattern>"));
  if (append && value_pattern)
    die(_("--append cannot be used with --value=<pattern>"));
  if (append)
    value_pattern = CONFIG_REGEX_NONE;

  comment = git_config_prepare_comment_string(comment_arg);

  location_options_init(&location_opts, prefix);
  check_write(&location_opts.source);

  value = normalize_value(argv[0], argv[1], type, &default_kvi);

  if ((flags & CONFIG_FLAGS_MULTI_REPLACE) || value_pattern) {
    ret = git_config_set_multivar_in_file_gently(location_opts.source.file,
                   argv[0], value, value_pattern,
                   comment, flags);
  } else {
    ret = git_config_set_in_file_gently(location_opts.source.file,
                argv[0], comment, value);
    if (ret == CONFIG_NOTHING_SET)
      error(_("cannot overwrite multiple values with a single value\n"
      "       Use a regexp, --add or --replace-all to change %s."), argv[0]);
  }

  location_options_release(&location_opts);
  free(comment);
  free(value);
  return ret;
}

static int cmd_config_unset(int argc, const char **argv, const char *prefix)
{
  struct config_location_options location_opts = CONFIG_LOCATION_OPTIONS_INIT;
  const char *value_pattern = NULL;
  int flags = 0;
  struct option opts[] = {
    CONFIG_LOCATION_OPTIONS(location_opts),
    OPT_GROUP(N_("Filter")),
    OPT_BIT(0, "all", &flags, N_("replace multi-valued config option with new value"), CONFIG_FLAGS_MULTI_REPLACE),
    OPT_STRING(0, "value", &value_pattern, N_("pattern"), N_("show config with values matching the pattern")),
    OPT_BIT(0, "fixed-value", &flags, N_("use string equality when comparing values to value pattern"), CONFIG_FLAGS_FIXED_VALUE),
    OPT_END(),
  };
  int ret;

  argc = parse_options(argc, argv, prefix, opts, builtin_config_unset_usage,
           PARSE_OPT_STOP_AT_NON_OPTION);
  check_argc(argc, 1, 1);

  if ((flags & CONFIG_FLAGS_FIXED_VALUE) && !value_pattern)
    die(_("--fixed-value only applies with 'value-pattern'"));

  location_options_init(&location_opts, prefix);
  check_write(&location_opts.source);

  if ((flags & CONFIG_FLAGS_MULTI_REPLACE) || value_pattern)
    ret = git_config_set_multivar_in_file_gently(location_opts.source.file,
                   argv[0], NULL, value_pattern,
                   NULL, flags);
  else
    ret = git_config_set_in_file_gently(location_opts.source.file, argv[0],
                NULL, NULL);

  location_options_release(&location_opts);
  return ret;
}

static int cmd_config_rename_section(int argc, const char **argv, const char *prefix)
{
  struct config_location_options location_opts = CONFIG_LOCATION_OPTIONS_INIT;
  struct option opts[] = {
    CONFIG_LOCATION_OPTIONS(location_opts),
    OPT_END(),
  };
  int ret;

  argc = parse_options(argc, argv, prefix, opts, builtin_config_rename_section_usage,
           PARSE_OPT_STOP_AT_NON_OPTION);
  check_argc(argc, 2, 2);

  location_options_init(&location_opts, prefix);
  check_write(&location_opts.source);

  ret = repo_config_rename_section_in_file(the_repository, location_opts.source.file,
             argv[0], argv[1]);
  if (ret < 0)
    goto out;
  else if (!ret)
    die(_("no such section: %s"), argv[0]);
  ret = 0;

out:
  location_options_release(&location_opts);
  return ret;
}

static int cmd_config_remove_section(int argc, const char **argv, const char *prefix)
{
  struct config_location_options location_opts = CONFIG_LOCATION_OPTIONS_INIT;
  struct option opts[] = {
    CONFIG_LOCATION_OPTIONS(location_opts),
    OPT_END(),
  };
  int ret;

  argc = parse_options(argc, argv, prefix, opts, builtin_config_remove_section_usage,
           PARSE_OPT_STOP_AT_NON_OPTION);
  check_argc(argc, 1, 1);

  location_options_init(&location_opts, prefix);
  check_write(&location_opts.source);

  ret = repo_config_rename_section_in_file(the_repository, location_opts.source.file,
             argv[0], NULL);
  if (ret < 0)
    goto out;
  else if (!ret)
    die(_("no such section: %s"), argv[0]);
  ret = 0;

out:
  location_options_release(&location_opts);
  return ret;
}

static int show_editor(struct config_location_options *opts)
{
  char *config_file;

  if (!opts->source.file && !startup_info->have_repository)
    die(_("not in a git directory"));
  if (opts->source.use_stdin)
    die(_("editing stdin is not supported"));
  if (opts->source.blob)
    die(_("editing blobs is not supported"));
  git_config(git_default_config, NULL);
  config_file = opts->source.file ?
      xstrdup(opts->source.file) :
      git_pathdup("config");
  if (opts->use_global_config) {
    int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
    if (fd >= 0) {
      char *content = default_user_config();
      write_str_in_full(fd, content);
      free(content);
      close(fd);
    }
    else if (errno != EEXIST)
      die_errno(_("cannot create configuration file %s"), config_file);
  }
  launch_editor(config_file, NULL, NULL);
  free(config_file);

  return 0;
}

static int cmd_config_edit(int argc, const char **argv, const char *prefix)
{
  struct config_location_options location_opts = CONFIG_LOCATION_OPTIONS_INIT;
  struct option opts[] = {
    CONFIG_LOCATION_OPTIONS(location_opts),
    OPT_END(),
  };
  int ret;

  argc = parse_options(argc, argv, prefix, opts, builtin_config_edit_usage, 0);
  check_argc(argc, 0, 0);

  location_options_init(&location_opts, prefix);
  check_write(&location_opts.source);

  ret = show_editor(&location_opts);
  location_options_release(&location_opts);
  return ret;
}

static int cmd_config_actions(int argc, const char **argv, const char *prefix)
{
  enum {
    ACTION_GET = (1<<0),
    ACTION_GET_ALL = (1<<1),
    ACTION_GET_REGEXP = (1<<2),
    ACTION_REPLACE_ALL = (1<<3),
    ACTION_ADD = (1<<4),
    ACTION_UNSET = (1<<5),
    ACTION_UNSET_ALL = (1<<6),
    ACTION_RENAME_SECTION = (1<<7),
    ACTION_REMOVE_SECTION = (1<<8),
    ACTION_LIST = (1<<9),
    ACTION_EDIT = (1<<10),
    ACTION_SET = (1<<11),
    ACTION_SET_ALL = (1<<12),
    ACTION_GET_COLOR = (1<<13),
    ACTION_GET_COLORBOOL = (1<<14),
    ACTION_GET_URLMATCH = (1<<15),
  };
  struct config_location_options location_opts = CONFIG_LOCATION_OPTIONS_INIT;
  struct config_display_options display_opts = CONFIG_DISPLAY_OPTIONS_INIT;
  const char *comment_arg = NULL;
  int actions = 0;
  unsigned flags = 0;
  struct option opts[] = {
    CONFIG_LOCATION_OPTIONS(location_opts),
    OPT_GROUP(N_("Action")),
    OPT_CMDMODE(0, "get", &actions, N_("get value: name [<value-pattern>]"), ACTION_GET),
    OPT_CMDMODE(0, "get-all", &actions, N_("get all values: key [<value-pattern>]"), ACTION_GET_ALL),
    OPT_CMDMODE(0, "get-regexp", &actions, N_("get values for regexp: name-regex [<value-pattern>]"), ACTION_GET_REGEXP),
    OPT_CMDMODE(0, "get-urlmatch", &actions, N_("get value specific for the URL: section[.var] URL"), ACTION_GET_URLMATCH),
    OPT_CMDMODE(0, "replace-all", &actions, N_("replace all matching variables: name value [<value-pattern>]"), ACTION_REPLACE_ALL),
    OPT_CMDMODE(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
    OPT_CMDMODE(0, "unset", &actions, N_("remove a variable: name [<value-pattern>]"), ACTION_UNSET),
    OPT_CMDMODE(0, "unset-all", &actions, N_("remove all matches: name [<value-pattern>]"), ACTION_UNSET_ALL),
    OPT_CMDMODE(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
    OPT_CMDMODE(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
    OPT_CMDMODE('l', "list", &actions, N_("list all"), ACTION_LIST),
    OPT_CMDMODE('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
    OPT_CMDMODE(0, "get-color", &actions, N_("find the color configured: slot [<default>]"), ACTION_GET_COLOR),
    OPT_CMDMODE(0, "get-colorbool", &actions, N_("find the color setting: slot [<stdout-is-tty>]"), ACTION_GET_COLORBOOL),
    CONFIG_DISPLAY_OPTIONS(display_opts),
    OPT_GROUP(N_("Other")),
    OPT_STRING(0, "default", &display_opts.default_value,
         N_("value"), N_("with --get, use default value when missing entry")),
    OPT_STRING(0, "comment", &comment_arg, N_("value"), N_("human-readable comment string (# will be prepended as needed)")),
    OPT_BIT(0, "fixed-value", &flags, N_("use string equality when comparing values to value pattern"), CONFIG_FLAGS_FIXED_VALUE),
    OPT_BOOL(0, "includes", &location_opts.respect_includes_opt,
       N_("respect include directives on lookup")),
    OPT_END(),
  };
  char *value = NULL, *comment = NULL;
  int ret = 0;
  struct key_value_info default_kvi = KVI_INIT;

  argc = parse_options(argc, argv, prefix, opts,
           builtin_config_usage,
           PARSE_OPT_STOP_AT_NON_OPTION);

  location_options_init(&location_opts, prefix);
  display_options_init(&display_opts);

  if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && display_opts.type) {
    error(_("--get-color and variable type are incoherent"));
    exit(129);
  }

  if (actions == 0)
    switch (argc) {
    case 1: actions = ACTION_GET; break;
    case 2: actions = ACTION_SET; break;
    case 3: actions = ACTION_SET_ALL; break;
    default:
      error(_("no action specified"));
      exit(129);
    }
  if (display_opts.omit_values &&
      !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
    error(_("--name-only is only applicable to --list or --get-regexp"));
    exit(129);
  }

  if (display_opts.show_origin && !(actions &
    (ACTION_GET|ACTION_GET_ALL|ACTION_GET_REGEXP|ACTION_LIST))) {
    error(_("--show-origin is only applicable to --get, --get-all, "
      "--get-regexp, and --list"));
    exit(129);
  }

  if (display_opts.default_value && !(actions & ACTION_GET)) {
    error(_("--default is only applicable to --get"));
    exit(129);
  }

  if (comment_arg &&
      !(actions & (ACTION_ADD|ACTION_SET|ACTION_SET_ALL|ACTION_REPLACE_ALL))) {
    error(_("--comment is only applicable to add/set/replace operations"));
    exit(129);
  }

  /* check usage of --fixed-value */
  if (flags & CONFIG_FLAGS_FIXED_VALUE) {
    int allowed_usage = 0;

    switch (actions) {
    /* git config --get <name> <value-pattern> */
    case ACTION_GET:
    /* git config --get-all <name> <value-pattern> */
    case ACTION_GET_ALL:
    /* git config --get-regexp <name-pattern> <value-pattern> */
    case ACTION_GET_REGEXP:
    /* git config --unset <name> <value-pattern> */
    case ACTION_UNSET:
    /* git config --unset-all <name> <value-pattern> */
    case ACTION_UNSET_ALL:
      allowed_usage = argc > 1 && !!argv[1];
      break;

    /* git config <name> <value> <value-pattern> */
    case ACTION_SET_ALL:
    /* git config --replace-all <name> <value> <value-pattern> */
    case ACTION_REPLACE_ALL:
      allowed_usage = argc > 2 && !!argv[2];
      break;

    /* other options don't allow --fixed-value */
    }

    if (!allowed_usage) {
      error(_("--fixed-value only applies with 'value-pattern'"));
      exit(129);
    }
  }

  comment = git_config_prepare_comment_string(comment_arg);

  /*
   * The following actions may produce more than one line of output and
   * should therefore be paged.
   */
  if (actions & (ACTION_LIST | ACTION_GET_ALL | ACTION_GET_REGEXP | ACTION_GET_URLMATCH))
    setup_auto_pager("config", 1);

  if (actions == ACTION_LIST) {
    check_argc(argc, 0, 0);
    if (config_with_options(show_all_config, &display_opts,
          &location_opts.source, the_repository,
          &location_opts.options) < 0) {
      if (location_opts.source.file)
        die_errno(_("unable to read config file '%s'"),
            location_opts.source.file);
      else
        die(_("error processing config file(s)"));
    }
  }
  else if (actions == ACTION_EDIT) {
    ret = show_editor(&location_opts);
  }
  else if (actions == ACTION_SET) {
    check_write(&location_opts.source);
    check_argc(argc, 2, 2);
    value = normalize_value(argv[0], argv[1], display_opts.type, &default_kvi);
    ret = git_config_set_in_file_gently(location_opts.source.file, argv[0], comment, value);
    if (ret == CONFIG_NOTHING_SET)
      error(_("cannot overwrite multiple values with a single value\n"
      "       Use a regexp, --add or --replace-all to change %s."), argv[0]);
  }
  else if (actions == ACTION_SET_ALL) {
    check_write(&location_opts.source);
    check_argc(argc, 2, 3);
    value = normalize_value(argv[0], argv[1], display_opts.type, &default_kvi);
    ret = git_config_set_multivar_in_file_gently(location_opts.source.file,
                   argv[0], value, argv[2],
                   comment, flags);
  }
  else if (actions == ACTION_ADD) {
    check_write(&location_opts.source);
    check_argc(argc, 2, 2);
    value = normalize_value(argv[0], argv[1], display_opts.type, &default_kvi);
    ret = git_config_set_multivar_in_file_gently(location_opts.source.file,
                   argv[0], value,
                   CONFIG_REGEX_NONE,
                   comment, flags);
  }
  else if (actions == ACTION_REPLACE_ALL) {
    check_write(&location_opts.source);
    check_argc(argc, 2, 3);
    value = normalize_value(argv[0], argv[1], display_opts.type, &default_kvi);
    ret = git_config_set_multivar_in_file_gently(location_opts.source.file,
                   argv[0], value, argv[2],
                   comment, flags | CONFIG_FLAGS_MULTI_REPLACE);
  }
  else if (actions == ACTION_GET) {
    check_argc(argc, 1, 2);
    ret = get_value(&location_opts, &display_opts, argv[0], argv[1],
        0, flags);
  }
  else if (actions == ACTION_GET_ALL) {
    check_argc(argc, 1, 2);
    ret = get_value(&location_opts, &display_opts, argv[0], argv[1],
        GET_VALUE_ALL, flags);
  }
  else if (actions == ACTION_GET_REGEXP) {
    display_opts.show_keys = 1;
    check_argc(argc, 1, 2);
    ret = get_value(&location_opts, &display_opts, argv[0], argv[1],
        GET_VALUE_ALL|GET_VALUE_KEY_REGEXP, flags);
  }
  else if (actions == ACTION_GET_URLMATCH) {
    check_argc(argc, 2, 2);
    ret = get_urlmatch(&location_opts, &display_opts, argv[0], argv[1]);
  }
  else if (actions == ACTION_UNSET) {
    check_write(&location_opts.source);
    check_argc(argc, 1, 2);
    if (argc == 2)
      ret = git_config_set_multivar_in_file_gently(location_opts.source.file,
                     argv[0], NULL, argv[1],
                     NULL, flags);
    else
      ret = git_config_set_in_file_gently(location_opts.source.file,
                  argv[0], NULL, NULL);
  }
  else if (actions == ACTION_UNSET_ALL) {
    check_write(&location_opts.source);
    check_argc(argc, 1, 2);
    ret = git_config_set_multivar_in_file_gently(location_opts.source.file,
                   argv[0], NULL, argv[1],
                   NULL, flags | CONFIG_FLAGS_MULTI_REPLACE);
  }
  else if (actions == ACTION_RENAME_SECTION) {
    check_write(&location_opts.source);
    check_argc(argc, 2, 2);
    ret = repo_config_rename_section_in_file(the_repository, location_opts.source.file,
               argv[0], argv[1]);
    if (ret < 0)
      goto out;
    else if (!ret)
      die(_("no such section: %s"), argv[0]);
    else
      ret = 0;
  }
  else if (actions == ACTION_REMOVE_SECTION) {
    check_write(&location_opts.source);
    check_argc(argc, 1, 1);
    ret = repo_config_rename_section_in_file(the_repository, location_opts.source.file,
               argv[0], NULL);
    if (ret < 0)
      goto out;
    else if (!ret)
      die(_("no such section: %s"), argv[0]);
    else
      ret = 0;
  }
  else if (actions == ACTION_GET_COLOR) {
    check_argc(argc, 1, 2);
    get_color(&location_opts, argv[0], argv[1]);
  }
  else if (actions == ACTION_GET_COLORBOOL) {
    check_argc(argc, 1, 2);
    if (argc == 2)
      color_stdout_is_tty = git_config_bool("command line", argv[1]);
    ret = get_colorbool(&location_opts, argv[0], argc == 2);
  }

out:
  location_options_release(&location_opts);
  free(comment);
  free(value);
  return ret;
}

int cmd_config(int argc, const char **argv, const char *prefix)
{
  parse_opt_subcommand_fn *subcommand = NULL;
  struct option subcommand_opts[] = {
    OPT_SUBCOMMAND("list", &subcommand, cmd_config_list),
    OPT_SUBCOMMAND("get", &subcommand, cmd_config_get),
    OPT_SUBCOMMAND("set", &subcommand, cmd_config_set),
    OPT_SUBCOMMAND("unset", &subcommand, cmd_config_unset),
    OPT_SUBCOMMAND("rename-section", &subcommand, cmd_config_rename_section),
    OPT_SUBCOMMAND("remove-section", &subcommand, cmd_config_remove_section),
    OPT_SUBCOMMAND("edit", &subcommand, cmd_config_edit),
    OPT_END(),
  };

  /*
   * This is somewhat hacky: we first parse the command line while
   * keeping all args intact in order to determine whether a subcommand
   * has been specified. If so, we re-parse it a second time, but this
   * time we drop KEEP_ARGV0. This is so that we don't munge the command
   * line in case no subcommand was given, which would otherwise confuse
   * us when parsing the legacy-style modes that don't use subcommands.
   */
  argc = parse_options(argc, argv, prefix, subcommand_opts, builtin_config_usage,
           PARSE_OPT_SUBCOMMAND_OPTIONAL|PARSE_OPT_KEEP_ARGV0|PARSE_OPT_KEEP_UNKNOWN_OPT);
  if (subcommand) {
    argc = parse_options(argc, argv, prefix, subcommand_opts, builtin_config_usage,
           PARSE_OPT_SUBCOMMAND_OPTIONAL|PARSE_OPT_KEEP_UNKNOWN_OPT);
    return subcommand(argc, argv, prefix);
  }

  return cmd_config_actions(argc, argv, prefix);
}

Coverage Report

Created: 2024-09-08 06:23