$ git clone -n https://src.fedoraproject.org/rpms/python-dbf.git /var/lib/mock/f45-build-30510-646/root/chroot_tmpdir/scmroot/python-dbf
Cloning into '/var/lib/mock/f45-build-30510-646/root/chroot_tmpdir/scmroot/python-dbf'...
$ git fetch origin 4b331b09479877826182d5d618b3e7c4b5f048c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dbf
 * [new ref]         4b331b09479877826182d5d618b3e7c4b5f048c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b331b0 Fix Requires, python3-aenum is still a runtime dependency