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Re: Make git-version-gen compatible with dash shell

From: Mosè Giordano
Subject: Re: Make git-version-gen compatible with dash shell
Date: Sun, 8 May 2016 20:32:17 +0200

Hi Paul,

2016-05-08 20:21 GMT+02:00 Paul Eggert <address@hidden>:
> Mosè Giordano wrote:
>> the attached patch makes git-version-gen compatible with dash shell,
>> whose shift built-in aborts when there are no more arguments.
> Can you explain why that patch is needed? The 'shift' is inside a 'while test 
> $#
> -gt 0' loop, so I don't see how $# could be zero there. What's the use case 
> and
> behavior without the patch?

$# is 0 if you provide --prefix or --fallback option, for example,
because shift is run within the case, before being run another time at
the end of while-loop.  Without the patch I get a

    shift: can't shift that many

error.  See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627856


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