tests/test-bad-extension

fix bash completion of debug commands; add test for debugcomplete

The debugconfig -> showconfig renaming broke things.

#!/bin/sh

echo 'syntax error' > badext.py
abspath=`pwd`/badext.py

echo '[extensions]' >> $HGRCPATH
echo "badext = $abspath" >> $HGRCPATH

hg -q help help