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From: Junio C Hamano <gitster@pobox.com>
To: Taylor Blau <me@ttaylorr.com>
Cc: git@vger.kernel.org, dstolee@microsoft.com, mhagger@alum.mit.edu,
	peff@peff.net
Subject: Re: [PATCH 0/3] commit-graph: write non-split graphs as read-only
Date: Mon, 20 Apr 2020 18:17:05 -0700	[thread overview]
Message-ID: <xmqqlfmpprhq.fsf@gitster.c.googlers.com> (raw)
In-Reply-To: <20200420233907.GA97996@syl.local> (Taylor Blau's message of "Mon, 20 Apr 2020 17:39:07 -0600")

Taylor Blau <me@ttaylorr.com> writes:

>   * do want to respect core.sharedRepository, in which case the
>     current behavior of always setting split-graph permissions to '0444'
>     is wrong, or

Yes, I would say "always 0444" is wrong.

>   * we do not want to respect core.sharedRepository, in which case these
>     patches are doing what we want by setting all commit-graph files to
>     have read-only permissions.
>
> My hunch is that we do not want to abide by core.sharedRepository here
> for the same reason that, say, loose objects are read-only. What do you
> think?

I thought that adjusting perm for sharedRepository is orthogonal to
the read-only vs read-write.  If a file ought to be writable by the
owner, we would make it group writable in a group shared repository.
If a file is readable by the owner, we make sure it is readable by
group in such a repository (and we do not want to flip write bit
on).  That happens by calling path.c::calc_shared_perm().


  reply	other threads:[~2020-04-21  1:17 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-20 22:50 [PATCH 0/3] commit-graph: write non-split graphs as read-only Taylor Blau
2020-04-20 22:51 ` [PATCH 1/3] tempfile.c: introduce 'create_tempfile_mode' Taylor Blau
2020-04-20 23:31   ` Junio C Hamano
2020-04-20 22:51 ` [PATCH 2/3] lockfile.c: introduce 'hold_lock_file_for_update_mode' Taylor Blau
2020-04-20 22:51 ` [PATCH 3/3] commit-graph.c: write non-split graphs as read-only Taylor Blau
2020-04-20 23:23 ` [PATCH 0/3] commit-graph: " Junio C Hamano
2020-04-20 23:39   ` Taylor Blau
2020-04-21  1:17     ` Junio C Hamano [this message]
2020-04-21  7:01       ` Jeff King
2020-04-21 18:59         ` Junio C Hamano
2020-04-27 16:27 ` [PATCH v2 0/4] " Taylor Blau
2020-04-27 16:27   ` [PATCH v2 1/4] tempfile.c: introduce 'create_tempfile_mode' Taylor Blau
2020-04-27 16:27   ` [PATCH v2 2/4] lockfile.c: introduce 'hold_lock_file_for_update_mode' Taylor Blau
2020-04-27 16:28   ` [PATCH v2 3/4] commit-graph.c: write non-split graphs as read-only Taylor Blau
2020-04-27 23:54     ` Junio C Hamano
2020-04-27 23:59       ` Taylor Blau
2020-04-28  0:25         ` Junio C Hamano
2020-04-28  3:34         ` Jeff King
2020-04-28 16:50           ` Junio C Hamano
2020-04-28 20:59             ` Jeff King
2020-04-28 21:05               ` Junio C Hamano
2020-04-28 21:08                 ` Jeff King
2020-04-28 21:44                   ` Taylor Blau
2020-04-28 21:58                     ` Jeff King
2020-04-28 23:22                       ` Junio C Hamano
2020-04-29 11:52                         ` Derrick Stolee
2020-04-27 16:28   ` [PATCH v2 4/4] commit-graph.c: ensure graph layers respect core.sharedRepository Taylor Blau
2020-04-27 17:21     ` Taylor Blau
2020-04-27 20:58       ` Jeff King
2020-04-29 17:36 ` [PATCH v3 0/5] commit-graph: write non-split graphs as read-only Taylor Blau
2020-04-29 17:36   ` [PATCH v3 1/5] tempfile.c: introduce 'create_tempfile_mode' Taylor Blau
2020-04-29 17:36   ` [PATCH v3 2/5] lockfile.c: introduce 'hold_lock_file_for_update_mode' Taylor Blau
2020-04-29 17:36   ` [PATCH v3 3/5] commit-graph.c: write non-split graphs as read-only Taylor Blau
2020-04-29 17:36   ` [PATCH v3 4/5] commit-graph.c: ensure graph layers respect core.sharedRepository Taylor Blau
2020-04-29 17:36   ` [PATCH v3 5/5] commit-graph.c: make 'commit-graph-chain's read-only Taylor Blau
2020-05-01  5:52   ` [PATCH v3 0/5] commit-graph: write non-split graphs as read-only Jeff King

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