$ git clone -n https://gitee.com/zhonglingh/grpc.git /var/lib/mock/dist-an23-epao-build-302371-65991/root/chroot_tmpdir/scmroot/grpc
Cloning into '/var/lib/mock/dist-an23-epao-build-302371-65991/root/chroot_tmpdir/scmroot/grpc'...
$ git fetch origin 660034343aa7cc59fae14d37a13cdc8de3a4c818:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/grpc
 * [new ref]         660034343aa7cc59fae14d37a13cdc8de3a4c818 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6600343 init from upstream