$ git clone -n https://src.fedoraproject.org/rpms/ghc-hslua.git /var/lib/mock/f39-build-2115622-50682/root/chroot_tmpdir/scmroot/ghc-hslua
Cloning into '/var/lib/mock/f39-build-2115622-50682/root/chroot_tmpdir/scmroot/ghc-hslua'...
$ git fetch origin d69ff4d290667570e74ef27a40d468a0529ac6fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hslua
 * [new ref]         d69ff4d290667570e74ef27a40d468a0529ac6fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d69ff4d move subpkgs from hslua-module-text here