git

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#include "builtin.h"
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#include "config.h"
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#include "gettext.h"
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#include "hook.h"
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#include "parse-options.h"
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#include "strvec.h"
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#define BUILTIN_HOOK_RUN_USAGE \
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	N_("git hook run [--ignore-missing] [--to-stdin=<path>] <hook-name> [-- <hook-args>]")
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static const char * const builtin_hook_usage[] = {
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	BUILTIN_HOOK_RUN_USAGE,
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	NULL
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};
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static const char * const builtin_hook_run_usage[] = {
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	BUILTIN_HOOK_RUN_USAGE,
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	NULL
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};
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static int run(int argc, const char **argv, const char *prefix)
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{
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	int i;
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	struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT;
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	int ignore_missing = 0;
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	const char *hook_name;
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	struct option run_options[] = {
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		OPT_BOOL(0, "ignore-missing", &ignore_missing,
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			 N_("silently ignore missing requested <hook-name>")),
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		OPT_STRING(0, "to-stdin", &opt.path_to_stdin, N_("path"),
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			   N_("file to read into hooks' stdin")),
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		OPT_END(),
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	};
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	int ret;
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	argc = parse_options(argc, argv, prefix, run_options,
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			     builtin_hook_run_usage,
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			     PARSE_OPT_KEEP_DASHDASH);
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	if (!argc)
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		goto usage;
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	/*
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	 * Having a -- for "run" when providing <hook-args> is
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	 * mandatory.
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	 */
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	if (argc > 1 && strcmp(argv[1], "--") &&
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	    strcmp(argv[1], "--end-of-options"))
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		goto usage;
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	/* Add our arguments, start after -- */
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	for (i = 2 ; i < argc; i++)
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		strvec_push(&opt.args, argv[i]);
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	/* Need to take into account core.hooksPath */
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	git_config(git_default_config, NULL);
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	hook_name = argv[0];
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	if (!ignore_missing)
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		opt.error_if_missing = 1;
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	ret = run_hooks_opt(the_repository, hook_name, &opt);
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	if (ret < 0) /* error() return */
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		ret = 1;
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	return ret;
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usage:
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	usage_with_options(builtin_hook_run_usage, run_options);
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}
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int cmd_hook(int argc, const char **argv, const char *prefix)
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{
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	parse_opt_subcommand_fn *fn = NULL;
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	struct option builtin_hook_options[] = {
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		OPT_SUBCOMMAND("run", &fn, run),
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		OPT_END(),
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	};
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	argc = parse_options(argc, argv, NULL, builtin_hook_options,
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			     builtin_hook_usage, 0);
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	return fn(argc, argv, prefix);
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}
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