$ git clone -n https://src.fedoraproject.org/rpms/liboggz.git /var/lib/mock/f45-build-16694-490/root/chroot_tmpdir/scmroot/liboggz
Cloning into '/var/lib/mock/f45-build-16694-490/root/chroot_tmpdir/scmroot/liboggz'...
$ git fetch origin 48a54a19a2e92d80504f72f2e26b2fc307a3333a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/liboggz
 * [new ref]         48a54a19a2e92d80504f72f2e26b2fc307a3333a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48a54a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild