$ git clone -n https://src.fedoraproject.org/rpms/haskell-platform.git /var/lib/mock/f38-build-side-42-init-devel-886400-28488/root/chroot_tmpdir/scmroot/haskell-platform
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-886400-28488/root/chroot_tmpdir/scmroot/haskell-platform'...
$ git fetch origin 88ad8b79158b26dfd573139887b65ade1c2a0d37:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/haskell-platform
 * [new ref]         88ad8b79158b26dfd573139887b65ade1c2a0d37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88ad8b7 add infer-license BRs