From: Junio C Hamano <gitster@pobox•com>
To: Antoine Pelisse <apelisse@gmail•com>
Cc: Samuel Bronson <naesten@gmail•com>, git <git@vger•kernel.org>,
Jonathan Nieder <jrnieder@gmail•com>,
Anders Waldenborg <anders@0x63•nu>
Subject: Re: [PATCH v4 2/3] diff: Let "git diff -O" read orderfile from any file, fail properly
Date: Tue, 17 Dec 2013 15:11:29 -0800 [thread overview]
Message-ID: <xmqqvbynkr8e.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <CALWbr2zXNF-aJHHnBnW1q1yaCmWt-rmMWypBWFanTBAK1pMWiQ@mail.gmail.com> (Antoine Pelisse's message of "Tue, 17 Dec 2013 21:37:26 +0100")
Antoine Pelisse <apelisse@gmail•com> writes:
> I'm not sure about the deadlock though. Both read and write will wait
> for each other to start operating on the fifo.
It is true only if the fifo already exists. That is, if you did
this:
a lot of &&
commands &&
before &&
mkfifo fifo &&
feed >fifo &
git diff -Ofifo
the consumer may attempt to open and read fifo when the other
process is still running a lot of commands, no?
>
> You can probably fix the &&-chain by doing something like:
>
> mkfifo order_fifo && {
> cat order_file_$i >order_fifo &
> git diff -O order_fifo --name-only HEAD^..HEAD >actual
> } && ...
>
> Also, "rm -f order_fifo" should probably be done in test_when_finished
> rather than at the beginning of the test.
>
> Antoine,
next prev parent reply other threads:[~2013-12-17 23:11 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-21 10:31 [PATCH] diff: Add diff.orderfile configuration variable Anders Waldenborg
2013-10-21 18:40 ` Jonathan Nieder
2013-10-25 10:24 ` Anders Waldenborg
2013-12-06 6:48 ` [PATCH v2] " Samuel Bronson
2013-12-06 18:11 ` Junio C Hamano
2013-12-07 2:43 ` Samuel Bronson
2013-12-09 19:23 ` Junio C Hamano
2013-12-14 22:18 ` [PATCH v3 0/3] " Samuel Bronson
2013-12-14 22:18 ` [PATCH v3 1/3] diff: Tests for "git diff -O" Samuel Bronson
2013-12-14 22:18 ` [PATCH v3 2/3] diff: Let "git diff -O" read orderfile from any file, failing when appropriate Samuel Bronson
2013-12-16 18:43 ` Junio C Hamano
2013-12-14 22:18 ` [RFC v3 3/3] diff: Add diff.orderfile configuration variable Samuel Bronson
2013-12-16 18:53 ` Junio C Hamano
2013-12-16 19:21 ` Samuel Bronson
2013-12-16 20:09 ` [PATCH v4 0/3] " Samuel Bronson
2013-12-16 20:09 ` [PATCH v4 1/3] diff: Tests for "git diff -O" Samuel Bronson
2013-12-16 20:09 ` [PATCH v4 2/3] diff: Let "git diff -O" read orderfile from any file, fail properly Samuel Bronson
2013-12-16 21:09 ` Junio C Hamano
2013-12-17 4:06 ` Samuel Bronson
2013-12-16 21:32 ` Junio C Hamano
2013-12-17 5:03 ` Samuel Bronson
2013-12-17 17:54 ` Junio C Hamano
2013-12-17 20:37 ` Antoine Pelisse
2013-12-17 22:09 ` Junio C Hamano
2013-12-18 4:28 ` Samuel Bronson
2013-12-18 5:47 ` Junio C Hamano
2013-12-17 23:11 ` Junio C Hamano [this message]
2013-12-16 20:09 ` [PATCH v4 3/3] diff: Add diff.orderfile configuration variable Samuel Bronson
2013-12-19 0:08 ` [PATCH v5 0/3] " Samuel Bronson
2013-12-19 0:40 ` Junio C Hamano
2013-12-19 0:08 ` [PATCH v5 1/3] diff: Tests for "git diff -O" Samuel Bronson
2013-12-19 0:08 ` [PATCH v5 2/3] diff: Let "git diff -O" read orderfile from any file, fail properly Samuel Bronson
2014-01-10 20:10 ` [PATCH sb/diff-orderfile-config] diff test: reading a directory as a file need not error out Jonathan Nieder
2014-01-10 23:30 ` Junio C Hamano
2013-12-19 0:08 ` [PATCH v5 3/3] diff: Add diff.orderfile configuration variable Samuel Bronson
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