$ git clone -n https://src.fedoraproject.org/rpms/pytest.git /var/lib/mock/f40-build-2160925-50941/root/chroot_tmpdir/scmroot/pytest
Cloning into '/var/lib/mock/f40-build-2160925-50941/root/chroot_tmpdir/scmroot/pytest'...
$ git fetch origin 8db081540ffe8d9923f4ba47c062bbccd0bd1fe5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pytest
 * [new ref]         8db081540ffe8d9923f4ba47c062bbccd0bd1fe5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8db0815 XFAIL TestLocalPath.test_make_numbered_dir_multiprocess_safe