$ git clone -n https://src.fedoraproject.org/rpms/servus.git /var/lib/mock/f45-build-35775-699/root/chroot_tmpdir/scmroot/servus
Cloning into '/var/lib/mock/f45-build-35775-699/root/chroot_tmpdir/scmroot/servus'...
$ git fetch origin 51edae6c335cc4ee979a39f618d506960a63de68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/servus
 * [new ref]         51edae6c335cc4ee979a39f618d506960a63de68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51edae6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild