From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: Taylor Blau <me@ttaylorr.com>,
git@vger.kernel.org, dstolee@microsoft.com, mhagger@alum.mit.edu
Subject: Re: [PATCH v2 3/4] commit-graph.c: write non-split graphs as read-only
Date: Tue, 28 Apr 2020 14:05:21 -0700 [thread overview]
Message-ID: <xmqqd07r1fu6.fsf@gitster.c.googlers.com> (raw)
In-Reply-To: <20200428205913.GC4000@coredump.intra.peff.net> (Jeff King's message of "Tue, 28 Apr 2020 16:59:13 -0400")
Jeff King <peff@peff.net> writes:
> On Tue, Apr 28, 2020 at 09:50:02AM -0700, Junio C Hamano wrote:
>
>> Jeff King <peff@peff.net> writes:
>>
>> > If we're just doing this for a single test, perhaps it would be better
>> > to set the umask in that test (perhaps even in a subshell to avoid
>> > touching other tests). I guess that's a little awkward here because the
>> > write and the mode-check happen in separate snippets.
>>
>> Yes, and we cannot afford to place the writing side under POSIXPERM
>> prerequisite.
>
> Do we need POSIXPERM just to call umask?
I checked "git grep umask t/" hits, and I thought everybody was
using it inside POSIXPERM.
> We call it unconditionally in t1304, for example. I could certainly
> believe it doesn't do anything useful or predictable on other systems,
> but it would not surprise me if it is a silent noop. It might return
> non-zero, though (the call in t1304 is not inside a test snippet).
That is sloppy, but it might be deliberate that it does not check
the result?
> I don't think we do any actual filesystem tests for POSIXPERM. It's
> purely based on "uname -s", and we could check it much earlier. So
> unless actually probing the filesystem is worth doing, we could just
> punt on that part easily.
Yup.
> That said, I think this does get complicated when interacting with
> t1304, for example, which explicitly creates an 077 umask for the trash
> directory.
>
> This is looking like a much deeper rabbit hole than it's worth going
> down. I think the pragmatic thing is to just stick a "umask 022" near
> the new test (or possibly "test_might_fail umask 022" inside the
> commit-graph writing test).
I think the most pragmatic would be to just squash in what is
already there ;-)
next prev parent reply other threads:[~2020-04-28 21:05 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
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 [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=xmqqd07r1fu6.fsf@gitster.c.googlers.com \
--to=gitster@pobox.com \
--cc=dstolee@microsoft.com \
--cc=git@vger.kernel.org \
--cc=me@ttaylorr.com \
--cc=mhagger@alum.mit.edu \
--cc=peff@peff.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.