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From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: "René Scharfe" <l.s.r@web.de>, "Git List" <git@vger.kernel.org>
Subject: Re: [PATCH] notes-merge: use O_EXCL to avoid overwriting existing files
Date: Thu, 07 Jul 2016 14:10:12 -0700	[thread overview]
Message-ID: <xmqq1t35p32j.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <20160707203822.GB11804@sigill.intra.peff.net> (Jeff King's message of "Thu, 7 Jul 2016 16:38:22 -0400")

Jeff King <peff@peff.net> writes:

> Why do we care that the file exists? Should we instead be using the
> lockfile code to get exclusive access to it? That would also switch us
> to doing the write-to-tempfile-and-rename dance, but that seems like it
> would be a good thing. If we hit a write() error in the code now, we
> leave a partially-written file in the notes worktree.

Yeah, I had the same thought when I saw the change.

> I dunno. From my cursory reading of the code, it seems like we'd never
> really expect this file_exists() to trigger in the first place, so
> perhaps it's not worth thinking too hard about it.

Perhaps.

  reply	other threads:[~2016-07-07 21:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-07 20:08 [PATCH] notes-merge: use O_EXCL to avoid overwriting existing files René Scharfe
2016-07-07 20:38 ` Jeff King
2016-07-07 21:10   ` Junio C Hamano [this message]
2016-07-08  9:37 ` Jeff King

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