$ git clone -n https://src.fedoraproject.org/rpms/fedora-license-data.git /var/lib/mock/f40-build-1507219-23890/root/chroot_tmpdir/scmroot/fedora-license-data
Cloning into '/var/lib/mock/f40-build-1507219-23890/root/chroot_tmpdir/scmroot/fedora-license-data'...
$ git fetch origin dd9c85bf51aa8bc663e54c9730aead8afc7b0124:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fedora-license-data
 * [new ref]         dd9c85bf51aa8bc663e54c9730aead8afc7b0124 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd9c85b Update fedora-license-data to 1.51-1