$ git clone -n https://src.fedoraproject.org/rpms/python-niapy.git /var/lib/mock/f40-build-2227626-53033/root/chroot_tmpdir/scmroot/python-niapy
Cloning into '/var/lib/mock/f40-build-2227626-53033/root/chroot_tmpdir/scmroot/python-niapy'...
$ git fetch origin 50d99255c5bbd6f4b492951ca94497e0ce8b746a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-niapy
 * [new ref]         50d99255c5bbd6f4b492951ca94497e0ce8b746a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50d9925 Add missing LICENSE file