On Tue, Mar 26, 2013 at 10:53:48AM +0100, Johannes Sixt wrote:
> Am 3/26/2013 10:31, schrieb John Keeping:
> > On Tue, Mar 26, 2013 at 09:38:42AM +0100, Johannes Sixt wrote:
> > The last test does result in /tmp filling up with temporary directories
> > though, it would be good if the test could clean up after itself.  The
> > best I can come up with is adding something like this immediately after
> > running difftool but I'm not entirely happy with the ".." in the
> > argument to rm:
> > 
> >     test_when_finished rm -rf "$(cat tmpdir)/.."
> 
> Wrap the test in
> 
>       (
>               TMPDIR=$TRASH_DIRECTORY &&
>               export TMPDIR &&
>       ...
>       )
> 
> It works for me.

Nice.  I've reviewed File::Spec and it looks like that TMPDIR takes
priority on every operating system except VMS, and I don't think we care
about that.

Unless Junio says otherwise, I'll hold off sending this until difftool
calms down a bit to avoid too many conflicted merges.
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