From: Robin Rosenberg <robin.rosenberg.lists@dewire.com>
Date: Wed, 13 Aug 2008 20:01:26 GMT
Subject: Re: Show of hands, how many set USE_NSEC
Message-ID: <200808132201.26868.robin.rosenberg.lists@dewire.com>
In-Reply-To: <20080808163455.GE9152@spearce.org>

fredagen den 8 augusti 2008 18.34.55 skrev Shawn O. Pearce:
> How many users really build their Git with USE_NSEC=1?
> 
> I'm suspecting a status issue in jgit caused by jgit honoring a
> millisecond resolution on file modification timestamps, and the
> underlying filesystem supporting at least a 1/2 second (or finer)
> granularity, but C Git was built without USE_NSEC so it only honors
> 1 second granularity.
> 
> This can cause jgit to think a file is locally modified as the
> mtime has data in the tv_nsec field, but C Git set that to 0 in
> the index as USE_NSEC wasn't enabled at build time.
When jgit finds an index entry with zero nsec it ignores the subsecond
portion of the file timestamp when comparing.

-- robin