$ git clone -n https://src.fedoraproject.org/rpms/cld2.git /var/lib/mock/f40-build-2275499-55084/root/chroot_tmpdir/scmroot/cld2
Cloning into '/var/lib/mock/f40-build-2275499-55084/root/chroot_tmpdir/scmroot/cld2'...
$ git fetch origin 5aa092374b9ac856fbb8b9fec586167f3becce2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cld2
 * [new ref]         5aa092374b9ac856fbb8b9fec586167f3becce2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5aa0923 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild