$ git clone -n https://src.fedoraproject.org/rpms/lunasvg.git /var/lib/mock/f45-build-17731-503/root/chroot_tmpdir/scmroot/lunasvg
Cloning into '/var/lib/mock/f45-build-17731-503/root/chroot_tmpdir/scmroot/lunasvg'...
$ git fetch origin 5dc84f936ae1ac719c81232de9f3794ae6bfd3b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lunasvg
 * [new ref]         5dc84f936ae1ac719c81232de9f3794ae6bfd3b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5dc84f9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild