$ git clone -n https://src.fedoraproject.org/rpms/pveclib.git /var/lib/mock/f45-build-53674-928/root/chroot_tmpdir/scmroot/pveclib
Cloning into '/var/lib/mock/f45-build-53674-928/root/chroot_tmpdir/scmroot/pveclib'...
$ git fetch origin ddae7471004d9d1f2b26640a5d163e4509547b9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pveclib
 * [new ref]         ddae7471004d9d1f2b26640a5d163e4509547b9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddae747 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild