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From: Thomas Braun <thomas.braun@virtuell-zuhause•de>
To: Junio C Hamano <gitster@pobox•com>, Johannes Sixt <j6t@kdbg•org>
Cc: Git Mailing List <git@vger•kernel.org>
Subject: Re: [PATCH] t9300: use cmp instead of test_cmp to compare binary files
Date: Fri, 12 Sep 2014 20:14:42 +0200	[thread overview]
Message-ID: <54133812.2050002@virtuell-zuhause.de> (raw)
In-Reply-To: <xmqq1trgbu0p.fsf@gitster.dls.corp.google.com>

Am 12.09.2014 um 19:58 schrieb Junio C Hamano:
> Johannes Sixt <j6t@kdbg•org> writes:
> 
>> test_cmp is intended to produce diff output for human consumption. The
>> input in one instance in t9300-fast-import.sh are binary files, however.
>> Use cmp to compare the files.
> 
> Thanks.
> 
>>
>> This was noticed because on Windows we have a special implementation of
>> test_cmp in pure bash code (to ignore differences due to intermittent CR
>> in actual output), and bash runs into an infinite loop due to the binary
>> nature of the input.
>>
>> Signed-off-by: Johannes Sixt <j6t@kdbg•org>
>> ---
>>  t/t9300-fast-import.sh | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh
>> index 99f5161..4b13170 100755
>> --- a/t/t9300-fast-import.sh
>> +++ b/t/t9300-fast-import.sh
>> @@ -2687,7 +2687,7 @@ test_expect_success 'R: verify created pack' '
>>  test_expect_success \
>>  	'R: verify written objects' \
>>  	'git --git-dir=R/.git cat-file blob big-file:big1 >actual &&
>> -	 test_cmp expect actual &&
>> +	 cmp expect actual &&
>>  	 a=$(git --git-dir=R/.git rev-parse big-file:big1) &&
>>  	 b=$(git --git-dir=R/.git rev-parse big-file:big2) &&
>>  	 test $a = $b'

May I suggest to use test_cmp_bin instead of plain cmp?
test_cmp_bin was introduced in
b93e6e36 (t5000, t5003: do not use test_cmp to compare binary files,
2014-06-04) and by default is plain cmp.

  reply	other threads:[~2014-09-12 18:14 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-12 17:34 [PATCH] t9300: use cmp instead of test_cmp to compare binary files Johannes Sixt
2014-09-12 17:58 ` Junio C Hamano
2014-09-12 18:14   ` Thomas Braun [this message]
2014-09-12 19:47     ` [PATCH v2] t9300: use test_cmp_bin " Johannes Sixt

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