Re: [PATCH 4/4] t4200: avoid passing a non-newline terminated file to sed

> On Thu, May 7, 2009 at 4:48 AM, Junio C Hamano <gitster@pobox.com> wrote:
>> Brandon Casey <casey@nrlssc.navy.mil> writes:
>>
>>> Some versions of sed exit non-zero if the file they are supplied is not
>>> newline terminated.  Solaris's /usr/xpg4/bin/sed is one such sed.  So
>>> rework this test to avoid doing so.
>> I think up to your 3/4 is reasonable, but this is not enough for POSIX
>> conformance (it is Ok if it is just aiming to fix "Solaris quirk").  POSIX
>> sed is only required to work on text files, but .git/MERGE_RR is not a
>> text file (it is a sequence of NUL terminated records).
>>
>> I think something like this may work better.  Can somebody test?
>>
>>> -     sha1=$(sed -e "s/       .*//" .git/MERGE_RR) &&
>>> +     sha1=$({ cat .git/MERGE_RR; echo; } | sed -e "s/        .*//") &&
>>        sha1=$(tr "\\000" "\\012" <./git/MERGE_RR | sed -e "s/  .*//") &&
>>
> 
> I would replace it again, according to e85fe4d8.