Re: [PATCH v2 2/2] submodule: port submodule subcommand 'deinit' from shell to C

> +	/* remove the submodule work tree (unless the user already did it) */
> +	if (is_directory(path)) {
> +		struct strbuf sb_rm = STRBUF_INIT;
> +		const char *format;
> +
> +		/*
> +		 * protect submodules containing a .git directory
> +		 * NEEDSWORK: instead of dying, automatically call
> +		 * absorbgitdirs and (possibly) warn.
> +		 */
> +		if (is_directory(sub_git_dir))
> +			die(_("Submodule work tree '%s' contains a .git "
> +			      "directory (use 'rm -rf' if you really want "
> +			      "to remove it including all of its history)"),
> +			    displaypath);
> +
> +		if (!(flags & OPT_FORCE)) {
> +			struct child_process cp_rm = CHILD_PROCESS_INIT;
> +			cp_rm.git_cmd = 1;
> +			argv_array_pushl(&cp_rm.args, "rm", "-qn",
> +					 path, NULL);
> +
> +			if (run_command(&cp_rm))
> +				die(_("Submodule work tree '%s' contains local "
> +				      "modifications; use '-f' to discard them"),
> +				      displaypath);
> +		}
> +
> +		strbuf_addstr(&sb_rm, path);
> +
> +		if (!remove_dir_recursively(&sb_rm, 0))
> +			format = _("Cleared directory '%s'\n");
> +		else
> +			format = _("Could not remove submodule work tree '%s'\n");
> +
> +		if (!(flags & OPT_QUIET))
> +			printf(format, displaypath);
> +
> +		strbuf_release(&sb_rm);
> +	}
> +
> +	if (mkdir(path, 0777))
> +		die_errno(_("could not create empty submodule directory %s"),
> +		      displaypath);