$ git clone -n https://src.fedoraproject.org/rpms/libpri.git /var/lib/mock/f40-build-2008154-45342/root/chroot_tmpdir/scmroot/libpri
Cloning into '/var/lib/mock/f40-build-2008154-45342/root/chroot_tmpdir/scmroot/libpri'...
$ git fetch origin c1219d4fb5a5fc4c3602aa5eb9d9daa534c3c347:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libpri
 * [new ref]         c1219d4fb5a5fc4c3602aa5eb9d9daa534c3c347 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1219d4 Clarify license “breakdown” in the spec file