$ git clone -n https://src.fedoraproject.org/rpms/python-nikola.git /var/lib/mock/f41-build-side-1-2814743-32949/root/chroot_tmpdir/scmroot/python-nikola
Cloning into '/var/lib/mock/f41-build-side-1-2814743-32949/root/chroot_tmpdir/scmroot/python-nikola'...
$ git fetch origin f643c614dce804d7ddb386d513f1bf172909720d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-nikola
 * [new ref]         f643c614dce804d7ddb386d513f1bf172909720d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f643c61 convert license to SPDX