$ git clone -n https://gitee.com/zhonglingh/grpc.git /var/lib/mock/dist-an23-epao-build-302316-65990/root/chroot_tmpdir/scmroot/grpc
Cloning into '/var/lib/mock/dist-an23-epao-build-302316-65990/root/chroot_tmpdir/scmroot/grpc'...
$ git reset --hard c8766bc7eb9374984280c997eab5b50d18ba1a6d
HEAD is now at c8766bc init from upstream