$ git clone -n https://gitee.com/yueeranna/python-grpcio.git /var/lib/mock/dist-an23-build-275143-64288/root/chroot_tmpdir/scmroot/python-grpcio
Cloning into '/var/lib/mock/dist-an23-build-275143-64288/root/chroot_tmpdir/scmroot/python-grpcio'...
$ git fetch origin 885a227b85dad8cb71af01bba7c2ccd3610f1057:KOJI_FETCH_HEAD
From https://gitee.com/yueeranna/python-grpcio
 * [new ref]         885a227b85dad8cb71af01bba7c2ccd3610f1057 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 885a227 init from upstream