From: Johannes Sixt <j.sixt@viscovery.net>
Date: Fri, 02 Jul 2010 05:49:43 GMT
Subject: Re: [RFC PATCH] rerere: fix overeager gc
Message-ID: <4C2D7DF7.8030408@viscovery.net>
In-Reply-To: <7v1vbn417d.fsf@alter.siamese.dyndns.org>

Am 7/1/2010 18:27, schrieb Junio C Hamano:
> Johannes Sixt <j.sixt@viscovery.net> writes:
> 
>> Would it be possible to update the timestamp of preimage every time it is
>> used (e.g., in rerere.c:merge()), and check for that?
> 
> It would be _possible_, but we are _not_ modifying the file at that point,
> so somehow that solution feels very wrong, no?

rr-cache is basically a static database. The fact that we have a file
named 'thisimage' is just an abuse - to put a temporary file somewhere.
Therefore, depending on lockfile infrastructure to change timestamps for
us while manipulating 'thisimage' should feel no less wrong, don't you
think so?

-- Hannes