mq: correct the use of super The first argument passed to super is supposed to be the class where it's being used, not self.__class__ - the two can be different when there's inheritance involved.

#!/bin/sh

mkdir a
cd a
hg init
echo foo > b
hg add b
hg ci -m "b" -d "1000000 0"

chmod -w .hg

cd ..

hg clone a b

chmod +w a/.hg # let test clean up

cd b
hg verify