Re: [PATCH] Get rid of the non portable shell export VAR=VALUE costruct

[Johannes Sixt <j.sixt@viscovery.net>]

Am 5/22/2014 15:19, schrieb David Kastrup:
> Torsten Bögershausen <tboegi@web.de> writes:
> 
>> On 2014-05-22 14.48, Elia Pinto wrote:
>>> Found by check-non-portable-shell.pl
>>
>> Thanks for picking this up
>>> -export TEST_DIRECTORY=$(pwd)/../../../t
>>> +TEST_DIRECTORY=$(pwd)/../../../t && export TEST_DIRECTORY
>> Minor remark:
>> Both commands should go on their own line, like this:
>>
>> TEST_DIRECTORY=$(pwd)/../../../t &&
>> export TEST_DIRECTORY
>>
>>
>> And, unrelated to this patch, 
>> there seem to be a lot of && missing in git-remote-testgit.sh.
> 
> I have a hard time taking the above && seriously.  pwd is a shell
> builtin (when we are not talking about Version 3 UNIX or something) that
> can hardly fail.  And when your shell does not support assignment to a
> shell variable, you'll have a hard time getting the shell script to run.

The && after an assignment makes a big difference when the assignment is
part of an && chain. This is *very* common in our test suite, as you know.

People tend to copy-and-paste. And then it is better to provide a more
universally applicable precedent.

-- Hannes