tests/bzr-definitions

lrucachedict: add copy method

This diff implements the standard dict copy() method for lrucachedicts, which
will be used in the pushrebase extension to make a copy of the manifestcache.

# this file holds the definitions that are used in various bzr tests

TERM=dumb; export TERM
echo '[extensions]' >> $HGRCPATH
echo 'convert = ' >> $HGRCPATH

glog()
{
    hg log -G --template '{rev}@{branch} "{desc|firstline}" files: {files}\n' "$@"
}

manifest()
{
    echo "% manifest of $2"
    hg -R $1 manifest -v -r $2
}