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From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: lars.schneider@autodesk.com, git@vger.kernel.org,
	t.gummerer@gmail.com, jrnieder@gmail.com,
	Lars Schneider <larsxschneider@gmail.com>
Subject: Re: [PATCH v1 2/2] entry.c: check if file exists after checkout
Date: Fri, 06 Oct 2017 15:03:49 +0900	[thread overview]
Message-ID: <xmqqd160x16i.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <20171006045640.vihagnlnuximzmjs@sigill.intra.peff.net> (Jeff King's message of "Fri, 6 Oct 2017 00:56:40 -0400")

Jeff King <peff@peff.net> writes:

> I don't know if we wanted to capture any of the reasoning behind using
> error() here or not. Frankly, I'm not sure how to argue for it
> succinctly. :) I'm happy with letting it live on in the list archive.

Are you talking about the "philosophical" thing?  

Because we cannot quite tell between the two cases (one is error--we
wrote or we thought we wrote, but we cannot find it, the other is
dubious--somebody was racing with us in the filesystem), I think it
is reasonable to err on the safer side, even though an error abort
while doing "as we know we wrote the thing that match the index, we
might as well lstat and mark the cache entry as up-to-date" might be
a bit irritating.


>> diff --git a/entry.c b/entry.c
>> index f879758c73..6d9de3a5aa 100644
>> --- a/entry.c
>> +++ b/entry.c
>> @@ -341,7 +341,9 @@ static int write_entry(struct cache_entry *ce,
>>  	if (state->refresh_cache) {
>>  		assert(state->istate);
>>  		if (!fstat_done)
>> -			lstat(ce->name, &st);
>> +			if (lstat(ce->name, &st) < 0)
>> +				return error_errno("unable stat just-written file %s",
>> +						   ce->name);
>
> s/unable stat/unable to stat/, I think.

Thanks.

  reply	other threads:[~2017-10-06  6:03 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-05 10:44 [PATCH v1 0/2] fix temporary garbage in the cache entry lars.schneider
2017-10-05 10:44 ` [PATCH v1 1/2] entry.c: update cache entry only for existing files lars.schneider
2017-10-05 11:12   ` Jeff King
2017-10-05 11:19   ` Junio C Hamano
2017-10-05 11:26     ` Jeff King
2017-10-05 23:01       ` Junio C Hamano
2017-10-06  4:54         ` Jeff King
2017-10-08 21:37           ` Lars Schneider
2017-10-09 17:47             ` Jeff King
2017-10-09 17:48               ` [PATCH 1/3] write_entry: fix leak when retrying delayed filter Jeff King
2017-10-10  0:00                 ` Junio C Hamano
2017-10-10  9:23                   ` Simon Ruderich
2017-10-10  9:25                     ` Jeff King
2017-10-10  9:49                       ` Simon Ruderich
2017-10-09 17:48               ` [PATCH 2/3] write_entry: avoid reading blobs in CE_RETRY case Jeff King
2017-10-10  0:00                 ` Junio C Hamano
2017-10-09 17:50               ` [PATCH 3/3] write_entry: untangle symlink and regular-file cases Jeff King
2017-10-10  0:03                 ` Junio C Hamano
2017-10-05 10:44 ` [PATCH v1 2/2] entry.c: check if file exists after checkout lars.schneider
2017-10-05 11:23   ` Jeff King
2017-10-06  4:26     ` Junio C Hamano
2017-10-06  4:56       ` Jeff King
2017-10-06  6:03         ` Junio C Hamano [this message]
2017-10-06  6:05           ` Jeff King
2017-10-06  7:58             ` Junio C Hamano
2017-10-08 21:41         ` Lars Schneider

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