From mboxrd@z Thu Jan  1 00:00:00 1970
From: Florian Weimer <fw@deneb.enyo.de>
Subject: Re: Shell script cleanups/style changes?
Date: Sat, 04 Aug 2007 09:10:00 +0200
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* Robert Schiele:

>> Sure.  What about the git-rebase line using $(($end - $msgnum)) ?
>
> Bad on Solaris:
>
> $ uname -a
> SunOS solaris10-x64 5.10 Generic i86pc i386 i86pc
> $ end=1
> $ msgnum=5
> $ echo $(($end - $msgnum))
> syntax error: `(' unexpected
> $ 

Is this with /usr/xpg4/bin/sh or /bin/sh?  The latter is not POSIX and
should not be used by GIT, IMHO, otherwise there will be endless
issues in less-well-tested code paths.  Is rewriting the shebang lines
to use the POSIX shell an option for GIT?