$ git clone -n https://src.fedoraproject.org/rpms/cgreen.git /var/lib/mock/f40-build-791139-137124/root/chroot_tmpdir/scmroot/cgreen
Cloning into '/var/lib/mock/f40-build-791139-137124/root/chroot_tmpdir/scmroot/cgreen'...
$ git fetch origin b80e0870487eb72ad8746dbbac11a6782ef843f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cgreen
 * [new ref]         b80e0870487eb72ad8746dbbac11a6782ef843f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b80e087 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild