merge: give hint as to how to discover uncommitted changes
Many users will try 'hg diff' here, and it will not show them missing files.
#!/bin/sh
echo 'raise Exception("bit bucket overflow")' > badext.py
abspath=`pwd`/badext.py
echo '[extensions]' >> $HGRCPATH
echo "gpg =" >> $HGRCPATH
echo "hgext.gpg =" >> $HGRCPATH
echo "badext = $abspath" >> $HGRCPATH
echo "badext2 =" >> $HGRCPATH
hg -q help help 2>&1 | python -c \
"import sys; sys.stdout.write(sys.stdin.read().replace('$abspath', '.../badext.py'))"