$ git clone -n https://src.fedoraproject.org/rpms/fedora-license-data.git /var/lib/mock/f40-build-1134361-20436/root/chroot_tmpdir/scmroot/fedora-license-data
Cloning into '/var/lib/mock/f40-build-1134361-20436/root/chroot_tmpdir/scmroot/fedora-license-data'...
$ git fetch origin b398f20890a8467016b83aee17ee00a23f1499a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fedora-license-data
 * [new ref]         b398f20890a8467016b83aee17ee00a23f1499a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b398f20 Update fedora-license-data to 1.49-1