From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: "Johannes Schindelin" <johannes.schindelin@gmx.de>,
git@vger.kernel.org, "Yaroslav Halchenko" <yoh@onerussian.com>,
"SZEDER Gábor" <szeder@ira.uka.de>
Subject: Re: [PATCH] commit: ensure correct permissions of the commit message
Date: Mon, 21 Dec 2015 09:22:48 -0800 [thread overview]
Message-ID: <xmqqio3rhg2f.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <20151221065944.GA3550@sigill.intra.peff.net> (Jeff King's message of "Mon, 21 Dec 2015 01:59:44 -0500")
Jeff King <peff@peff.net> writes:
> On Sun, Dec 20, 2015 at 05:31:48PM -0800, Junio C Hamano wrote:
>
>> Actually, we do not even _need_ a sharedness for this ephemeral
>> file. The additional "adjust-shared-perm" is merely a workaround
>> for the fact the next person cannot write into it when it is left
>> behind, and because we do not want to remove it when we are done.
>>
>> That does not measn that the next person cannot remove it when she
>> finds there is a file there left behind. So alternatively, we could
>> do something like this, perhaps?
>>
>> FILE *fopen_forcibly(const char *path, const char *mode)
>> {
>> FILE *ret = fopen(path, mode);
>>
>> if (!ret && errno == EPERM) {
>> if (!unlink(path))
>> ret = fopen(path, mode);
>> else
>> errno = EPERM;
>> }
>> return ret;
>> }
>
> Yeah, I think that is a much nicer solution for this case. It should
> work even in a shared repo, since we set the permissions for the
> surrounding $GIT_DIR appropriately[1].
>
> I guess it would not apply to any files that do not want to truncate the
> existing contents. Probably it should drop the "mode" parameter at all,
> since anything but "w" would be crazy?
Absolutely. Thanks for spotting.
next prev parent reply other threads:[~2015-12-21 17:22 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-19 18:21 [PATCH] commit: ensure correct permissions of the commit message Johannes Schindelin
2015-12-20 7:45 ` Jeff King
2015-12-20 14:21 ` Johannes Schindelin
2015-12-20 22:57 ` Torsten Bögershausen
2015-12-30 14:57 ` Johannes Schindelin
2015-12-21 1:31 ` Junio C Hamano
2015-12-21 6:59 ` Jeff King
2015-12-21 17:22 ` Junio C Hamano [this message]
2015-12-30 14:50 ` Johannes Schindelin
2015-12-30 22:56 ` Junio C Hamano
2016-01-01 15:04 ` Johannes Schindelin
2016-01-04 18:34 ` Junio C Hamano
2016-01-05 12:52 ` Johannes Schindelin
2016-01-05 19:39 ` Junio C Hamano
2016-01-06 8:20 ` Johannes Schindelin
2016-01-06 8:23 ` Jeff King
2016-01-06 8:50 ` Johannes Schindelin
2016-01-15 1:12 ` SZEDER Gábor
2016-01-15 1:29 ` Junio C Hamano
2016-01-15 6:51 ` Johannes Schindelin
2016-01-15 10:51 ` SZEDER Gábor
2016-01-15 12:18 ` Johannes Schindelin
2016-01-06 13:09 ` [PATCH v2 0/2] Correctly handle transient files in shared repositories Johannes Schindelin
2016-01-06 13:09 ` [PATCH v2 1/2] commit: allow editing the commit message even in shared repos Johannes Schindelin
2016-01-07 12:41 ` Jeff King
2016-01-07 21:35 ` Junio C Hamano
2016-01-06 13:09 ` [PATCH v2 2/2] Handle more file writes correctly " Johannes Schindelin
2016-01-07 12:46 ` Jeff King
2016-01-08 16:04 ` Johannes Schindelin
2016-01-07 21:52 ` Junio C Hamano
2016-01-08 16:05 ` Johannes Schindelin
2016-01-08 17:59 ` Junio C Hamano
2016-01-11 9:28 ` Johannes Schindelin
2016-01-11 15:57 ` Junio C Hamano
2016-01-11 17:06 ` Junio C Hamano
2016-01-11 18:35 ` [PATCH v3 0/2] Correctly handle transient files in shared repositories Johannes Schindelin
2016-01-11 18:35 ` [PATCH v3 1/2] commit: allow editing the commit message even in shared repos Johannes Schindelin
2016-01-11 18:35 ` [PATCH v3 2/2] Handle more file writes correctly " Johannes Schindelin
2016-01-11 20:22 ` [PATCH v3 0/2] Correctly handle transient files in shared repositories Jeff King
2016-01-11 21:12 ` Junio C Hamano
2016-01-11 21:22 ` Junio C Hamano
2016-01-11 21:38 ` Jeff King
2016-01-11 21:54 ` Junio C Hamano
2016-01-11 22:06 ` Jeff King
2016-01-12 8:05 ` Johannes Schindelin
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