Re: [PATCH 2/2] git-p4: remove bash-ism in t9800

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j6t@xxxxxxxx wrote on Sun, 26 Feb 2012 18:48 +0100:
> Am 26.02.2012 16:37, schrieb Pete Wyckoff:
> > -		P4EDITOR=touch P4USER=bob P4PASSWD=secret test_must_fail "$GITP4" commit --preserve-user &&
> > -		test_must_fail git diff --exit-code HEAD..p4/master
> > +		# dashism: test_must_fail does not propagate variables
> > +		P4EDITOR=touch P4USER=bob P4PASSWD=secret &&
> > +		export P4EDITOR P4USER P4PASSWD &&
> > +		test_must_fail "$GITP4" commit --preserve-user &&
> > +		! git diff --exit-code HEAD..p4/master
> 
> It is a bashism that variables assigned in front of a shell function are
> exported. But it is not a dashism that they are not exported; that
> (surprising?) behavior is actually conforming to POSIX.
> 
> With the new code, be aware that the variables remain exported, which
> might affect subsequent tests in general, though not this one, because
> the assignments are in a sub-shell:
> 
> >  	)
> >  '

Interesting, thanks.  I thought about the subshell behavior and
use, on purpose, the fact that the variables stay exported in the
second and third hunks.

		-- Pete
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