MQ: tidy up if a qpush is interrupted. This aborts the transaction, makes sure the dirtied dirstate isn't written out, and cleans up the working directory.

#!/bin/sh

hg
hg -q
hg help
hg -q help
hg add -h
hg add --skjdfks
hg help diff
hg help status
hg -q help status
hg help foo
hg skjdfks

exit 0