Function run_argv

git.c:838–916

}

static int run_argv(struct strvec *args)
{
	int done_alias = 0;
	struct string_list expanded_aliases = STRING_LIST_INIT_DUP;

	while (1) {
		/*
		 * Allow deprecated commands to be overridden by aliases. This
		 * creates a seamless path forward for people who want to keep
		 * using the name after it is gone, but want to skip the
		 * deprecation complaint in the meantime.
		 */
		if (is_deprecated_command(args->v[0]) &&
		    handle_alias(args, &expanded_aliases)) {
			done_alias = 1;
			continue;
		}
		/*
		 * If we tried alias and futzed with our environment,
		 * it no longer is safe to invoke builtins directly in
		 * general.  We have to spawn them as dashed externals.
		 *
		 * NEEDSWORK: if we can figure out cases
		 * where it is safe to do, we can avoid spawning a new
		 * process.
		 */
		if (!done_alias)
			handle_builtin(args);
		else if (get_builtin(args->v[0])) {
			struct child_process cmd = CHILD_PROCESS_INIT;
			int err;

			/*
			 * The current process is committed to launching a
			 * child process to run the command named in (**argv)
			 * and exiting.  Log a generic string as the trace2
			 * command verb to indicate this.  Note that the child
			 * process will log the actual verb when it runs.
			 */
			trace2_cmd_name("_run_git_alias_");

			commit_pager_choice();

			strvec_push(&cmd.args, "git");
			strvec_pushv(&cmd.args, args->v);

			trace_argv_printf(cmd.args.v, "trace: exec:");

			/*
			 * if we fail because the command is not found, it is
			 * OK to return. Otherwise, we just pass along the status code.
			 */
			cmd.silent_exec_failure = 1;
			cmd.clean_on_exit = 1;
			cmd.wait_after_clean = 1;
			cmd.trace2_child_class = "git_alias";
			err = run_command(&cmd);
			if (err >= 0 || errno != ENOENT)