$ git clone -n https://src.fedoraproject.org/rpms/schroedinger-cat-backgrounds.git /var/lib/mock/f40-build-2368066-60387/root/chroot_tmpdir/scmroot/schroedinger-cat-backgrounds
Cloning into '/var/lib/mock/f40-build-2368066-60387/root/chroot_tmpdir/scmroot/schroedinger-cat-backgrounds'...
$ git fetch origin fa22728ed4a6d9663426285140544e817b81151c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/schroedinger-cat-backgrounds
 * [new ref]         fa22728ed4a6d9663426285140544e817b81151c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa22728 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild