$ git clone -n https://src.fedoraproject.org/rpms/povray.git /var/lib/mock/f45-build-28852-633/root/chroot_tmpdir/scmroot/povray
Cloning into '/var/lib/mock/f45-build-28852-633/root/chroot_tmpdir/scmroot/povray'...
$ git fetch origin cce9a59ebef909c36780b38d9157c62dd1877105:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/povray
 * [new ref]         cce9a59ebef909c36780b38d9157c62dd1877105 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cce9a59 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild