$ git clone -n https://src.fedoraproject.org/rpms/python-zeroconf.git /var/lib/mock/f41-build-774308-13515/root/chroot_tmpdir/scmroot/python-zeroconf
Cloning into '/var/lib/mock/f41-build-774308-13515/root/chroot_tmpdir/scmroot/python-zeroconf'...
$ git fetch origin 5f6b7acb844ede654f2ffdc79256af8e47f8c2a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-zeroconf
 * [new ref]         5f6b7acb844ede654f2ffdc79256af8e47f8c2a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f6b7ac Convert to %autorelease and %autochangelog