$ git clone -n https://src.fedoraproject.org/rpms/ghc-hslua.git /var/lib/mock/f38-build-side-42-init-devel-807257-28227/root/chroot_tmpdir/scmroot/ghc-hslua
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-807257-28227/root/chroot_tmpdir/scmroot/ghc-hslua'...
$ git fetch origin 60d8a22e047feff0326acb83c9f4947d08c27c4e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hslua
 * [new ref]         60d8a22e047feff0326acb83c9f4947d08c27c4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60d8a22 update to 2.2.1