$ git clone -n https://gitee.com/wenyuzifang/scons.git /var/lib/mock/dist-an23-build-470167-74061/root/chroot_tmpdir/scmroot/scons
Cloning into '/var/lib/mock/dist-an23-build-470167-74061/root/chroot_tmpdir/scmroot/scons'...
$ git fetch origin 86c1886e42fffd827c7f95eebe9873c37e22ef7d:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/scons
 * [new ref]         86c1886e42fffd827c7f95eebe9873c37e22ef7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86c1886 Update code from upstream