$ git clone -n https://gitee.com/wency_cn/pycairo.git /var/lib/mock/dist-an23-build-492684-74562/root/chroot_tmpdir/scmroot/pycairo
Cloning into '/var/lib/mock/dist-an23-build-492684-74562/root/chroot_tmpdir/scmroot/pycairo'...
$ git fetch origin 345c68a35294af6bde7705fba27d11674ef933c7:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/pycairo
 * [new ref]         345c68a35294af6bde7705fba27d11674ef933c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 345c68a Update code from upstream