$ git clone -n https://src.fedoraproject.org/rpms/light.git /var/lib/mock/f40-build-796294-140592/root/chroot_tmpdir/scmroot/light
Cloning into '/var/lib/mock/f40-build-796294-140592/root/chroot_tmpdir/scmroot/light'...
$ git fetch origin b281288938408a65d03103488570329ebbc416e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/light
 * [new ref]         b281288938408a65d03103488570329ebbc416e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b281288 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild