Re: [PATCH] gittrack.sh accepts invalid branch names

From: Petr Baudis <pasky@ucw.cz>
Date: Apr 20, 2005, 23:21 UTC
Message-ID: <20050420232110.GA12962@pasky.ji.cz>
In-Reply-To: <1114026510.15186.15.camel@dv>

Dear diary, on Wed, Apr 20, 2005 at 09:48:30PM CEST, I got a letter where Pavel Roskin <proski@gnu.org> told me that...

Show 10 quoted lines

> --- a/gittrack.sh
> +++ b/gittrack.sh
> @@ -35,7 +35,7 @@ die () {
>  mkdir -p .git/heads
>  
>  if [ "$name" ]; then
> -	grep -q $(echo -e "^$name\t" | sed 's/\./\\./g') .git/remotes || \
> +	sed -ne "/^$name\t/p" .git/remotes | grep -q . || \
>  		[ -s ".git/heads/$name" ] || \
>  		die "unknown branch \"$name\""

This fixes the acceptance, but not the choice.

What does the grep -q . exactly do? Just sets error code based on whether the sed output is non-empty? What about [] instead?

-- 
				Petr "Pasky" Baudis
Stuff: http://pasky.or.cz/
C++: an octopus made by nailing extra legs onto a dog. -- Steve Taylor