$ git clone -n https://src.fedoraproject.org/rpms/games-menus.git /var/lib/mock/f45-build-9416-403/root/chroot_tmpdir/scmroot/games-menus
Cloning into '/var/lib/mock/f45-build-9416-403/root/chroot_tmpdir/scmroot/games-menus'...
$ git fetch origin b7bec09503c93ee29582bb3435c1a6c1f2cc6fef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/games-menus
 * [new ref]         b7bec09503c93ee29582bb3435c1a6c1f2cc6fef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7bec09 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild