#include "builtin.h"

#include "config.h"

#include "gettext.h"

#include "hook.h"

#include "parse-options.h"

#include "strvec.h"

#define BUILTIN_HOOK_RUN_USAGE \

  N_("git hook run [--ignore-missing] [--to-stdin=<path>] <hook-name> [-- <hook-args>]")

static const char * const builtin_hook_usage[] = {

  BUILTIN_HOOK_RUN_USAGE,

  NULL

};

static const char * const builtin_hook_run_usage[] = {

  BUILTIN_HOOK_RUN_USAGE,

  NULL

};

static int run(int argc, const char **argv, const char *prefix)

{

  int i;

  struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT;

  int ignore_missing = 0;

  const char *hook_name;

  struct option run_options[] = {

    OPT_BOOL(0, "ignore-missing", &ignore_missing,

       N_("silently ignore missing requested <hook-name>")),

    OPT_STRING(0, "to-stdin", &opt.path_to_stdin, N_("path"),

         N_("file to read into hooks' stdin")),

    OPT_END(),

  };

  int ret;

  argc = parse_options(argc, argv, prefix, run_options,

           builtin_hook_run_usage,

           PARSE_OPT_KEEP_DASHDASH);

  if (!argc)

    goto usage;

  /*

   * Having a -- for "run" when providing <hook-args> is

   * mandatory.

   */

  if (argc > 1 && strcmp(argv[1], "--") &&

      strcmp(argv[1], "--end-of-options"))

    goto usage;

  /* Add our arguments, start after -- */

  for (i = 2 ; i < argc; i++)

    strvec_push(&opt.args, argv[i]);

  /* Need to take into account core.hooksPath */

  git_config(git_default_config, NULL);

  hook_name = argv[0];

  if (!ignore_missing)

    opt.error_if_missing = 1;

  ret = run_hooks_opt(the_repository, hook_name, &opt);

  if (ret < 0) /* error() return */

    ret = 1;

  return ret;

usage:

  usage_with_options(builtin_hook_run_usage, run_options);

}

int cmd_hook(int argc, const char **argv, const char *prefix)

{

  parse_opt_subcommand_fn *fn = NULL;

  struct option builtin_hook_options[] = {

    OPT_SUBCOMMAND("run", &fn, run),

    OPT_END(),

  };

  argc = parse_options(argc, argv, NULL, builtin_hook_options,

           builtin_hook_usage, 0);

  return fn(argc, argv, prefix);

}