tests/bzr-definitions

py3: don't use dict.iterkeys()

Instead of iterating of dict.iterkeys(), let's iterate of dict as that will be
equivalent and dict.iterkeys() is not present in Python 3.

Differential Revision: https://phab.mercurial-scm.org/D1796

# 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
}