#!/bin/bash

# Run a shell script with a temporary environment in the form of a
# temp dir.  The directory will be cleaned up after the script
# returns.  This behaves as dynamic-wind.

export TMPDIR=`mktemp -d /tmp/fw.$$.XXXXXXXX`
"$@"
# echo "cleaning up $TMPDIR" ; ls -l $TMPDIR
rm -rf $TMPDIR