From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Sun, 25 Jun 2006 10:17:22 GMT
Subject: Re: [PATCH] Repack should try to prevent itself from running twice, concurrently.
Message-ID: <Pine.LNX.4.63.0606251216250.29667@wbgn013.biozentrum.uni-wuerzburg.de>
In-Reply-To: <11512302144123-git-send-email-ryan@michonline.com>

Hi,

On Sun, 25 Jun 2006, Ryan Anderson wrote:

> +if [ -f $GIT_DIR/repack.lock ]
> +then
> +	echo "Existing repack job appears to be running."
> +	echo "Remove $GIT_DIR/repack.lock if this is not the case."
> +	exit 1
> +else
> +	echo $$ > $GIT_DIR/repack.lock
> +fi

It is not like it is being an atomic operation, but then, we are not going 
to call repack multiple times a second. I'd say it is sufficient.

Ciao,
Dscho