$ git clone -n https://src.fedoraproject.org/forks/churchyard/rpms/python-dnspython.git /var/lib/mock/f42-build-59043506-6570522/root/chroot_tmpdir/scmroot/python-dnspython
Cloning into '/var/lib/mock/f42-build-59043506-6570522/root/chroot_tmpdir/scmroot/python-dnspython'...
$ git fetch origin f2ac82e2c102ff1016ad61e69c4da924aa06dbec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/churchyard/rpms/python-dnspython
 * [new ref]         f2ac82e2c102ff1016ad61e69c4da924aa06dbec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2ac82e Avoid implicit conflicts with python3-dns