From: Johannes Sixt <j.sixt@viscovery.net>
Date: Thu, 17 Feb 2011 07:10:01 GMT
Subject: Re: [PATCH] submodule: no [--merge|--rebase] when newly cloned
Message-ID: <4D5CC9C9.60705@viscovery.net>
In-Reply-To: <7v62sjkbbi.fsf@alter.siamese.dyndns.org>

Am 2/16/2011 20:51, schrieb Junio C Hamano:
> Here is how to write the above more concisely, efficiently and portably.
> 
> 	case "$2;" in
>         *";$1;"*)
>         	echo yes ;;
>         *)
>         	echo no ;;
> 	esac
> 
> The trailing ';' takes care of the case where cloned_modules has only one
> element, in which case you have ";name" in "$2".  No need for a loop.

And while you are here, you could make this:

list_contains()
{
	case "$2;" in
	*";$1;"*)
		: yes ;;
	*)
		! : no ;;
	esac
}

and test for the exit code of this function rather than its output at the
call site.

-- Hannes