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From: Junio C Hamano <gitster@pobox•com>
To: Jim Hill <gjthill@gmail•com>
Cc: git@vger•kernel.org
Subject: Re: [PATCH v3] sha1_file: pass empty buffer to index empty file
Date: Sun, 17 May 2015 12:10:49 -0700	[thread overview]
Message-ID: <xmqqvbfrc952.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <xmqqegmfds1n.fsf@gitster.dls.corp.google.com> (Junio C. Hamano's message of "Sun, 17 May 2015 10:37:08 -0700")

Junio C Hamano <gitster@pobox•com> writes:

> If the contents to be cleaned is small enough (i.e. the one-liner
> file used in this test) to fit in the pipe buffer and we feed the
> pipe before 'true' exits, we won't see any problem.  Otherwise we
> may get SIGPIPE when we attempt to write to the 'true' (non-)filter,
> but because we explicitly ignore SIGPIPE, 'true' still is a "black
> hole" filter.
>
> "cat >/dev/null" may have been a more naive and straight-forward way
> to write this "black hole" filter, but what you did is fine.

I spoke too fast X-<.  "while sh t0021-*.sh; do :; done" dies after
a few iterations and with this squashed in it doesn't.

 t/t0021-conversion.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh
index 42e6423..b778faf 100755
--- a/t/t0021-conversion.sh
+++ b/t/t0021-conversion.sh
@@ -218,7 +218,7 @@ test_expect_success "filter: clean empty file" '
 '
 
 test_expect_success "filter: smudge empty file" '
-	git config filter.empty-in-repo.clean true &&
+	git config filter.empty-in-repo.clean "cat >/dev/null" &&
 	git config filter.empty-in-repo.smudge "echo smudged && cat" &&
 
 	echo "empty-in-repo filter=empty-in-repo" >>.gitattributes &&
-- 
2.4.1-374-g090bfc9

  reply	other threads:[~2015-05-17 19:10 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-14 17:23 [PATCH] sha1_file: pass empty buffer to index empty file Jim Hill
2015-05-14 18:43 ` Junio C Hamano
2015-05-14 23:17   ` [PATCH v2] " Jim Hill
2015-05-15 18:01     ` Junio C Hamano
2015-05-15 23:31       ` Jim Hill
2015-05-16 18:48         ` Junio C Hamano
2015-05-16 20:06           ` [PATCH v3] " Jim Hill
2015-05-16 23:22             ` Junio C Hamano
2015-05-17 17:37             ` Junio C Hamano
2015-05-17 19:10               ` Junio C Hamano [this message]
2015-05-18  0:41                 ` [PATCH v4] " Jim Hill
2015-05-19  6:37                 ` [PATCH v3] " Jeff King
2015-05-19 18:11                   ` Junio C Hamano
2015-05-19 18:17                     ` Junio C Hamano
2015-05-19 18:35                       ` Junio C Hamano
2015-05-19 19:48                         ` Junio C Hamano
2015-05-19 22:14                           ` Jeff King
2015-05-20 17:03                             ` Junio C Hamano
2015-05-19 19:40                     ` Eric Sunshine
2015-05-19 22:09                     ` Jeff King
2015-05-20 17:25                       ` Junio C Hamano
2015-05-20 17:38                         ` Jeff King
2015-05-14 23:26   ` [PATCH] " Jim Hill

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