$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-nq.git /var/lib/mock/f40-build-793084-138784/root/chroot_tmpdir/scmroot/gap-pkg-nq
Cloning into '/var/lib/mock/f40-build-793084-138784/root/chroot_tmpdir/scmroot/gap-pkg-nq'...
$ git fetch origin fbf1c0d9234f215b0feff6062ed8338df3f27c2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-nq
 * [new ref]         fbf1c0d9234f215b0feff6062ed8338df3f27c2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbf1c0d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild