From: Robin Rosenberg <robin.rosenberg.lists@dewire.com>
To: "Shawn O. Pearce" <spearce@spearce.org>
Cc: git@vger.kernel.org
Subject: Re: Show of hands, how many set USE_NSEC
Date: Wed, 13 Aug 2008 22:01:26 +0200 [thread overview]
Message-ID: <200808132201.26868.robin.rosenberg.lists@dewire.com> (raw)
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
prev parent reply other threads:[~2008-08-13 20:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-08 16:34 Show of hands, how many set USE_NSEC Shawn O. Pearce
2008-08-08 16:55 ` Johannes Schindelin
2008-08-08 16:57 ` Shawn O. Pearce
2008-08-08 17:42 ` Linus Torvalds
2008-08-08 17:52 ` Shawn O. Pearce
2008-08-08 18:00 ` Linus Torvalds
2008-08-13 20:01 ` Robin Rosenberg [this message]
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