$ git clone -n https://src.fedoraproject.org/rpms/deepin-screensaver.git /var/lib/mock/f40-build-796750-140845/root/chroot_tmpdir/scmroot/deepin-screensaver
Cloning into '/var/lib/mock/f40-build-796750-140845/root/chroot_tmpdir/scmroot/deepin-screensaver'...
$ git fetch origin 84a01cddeb6ef36488f743d114f4174efd8c2d1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-screensaver
 * [new ref]         84a01cddeb6ef36488f743d114f4174efd8c2d1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84a01cd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild