$ git clone -n https://src.fedoraproject.org/rpms/e16.git /var/lib/mock/f45-build-7908-371/root/chroot_tmpdir/scmroot/e16
Cloning into '/var/lib/mock/f45-build-7908-371/root/chroot_tmpdir/scmroot/e16'...
$ git fetch origin d83e4594a65cfa91d8050df3212348232def1f53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/e16
 * [new ref]         d83e4594a65cfa91d8050df3212348232def1f53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d83e459 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild