$ git clone -n https://gitee.com/zhonglingh/grpc.git /var/lib/mock/dist-an23-epao-build-302334-65990/root/chroot_tmpdir/scmroot/grpc
Cloning into '/var/lib/mock/dist-an23-epao-build-302334-65990/root/chroot_tmpdir/scmroot/grpc'...
$ git fetch origin 8680cadb128b793098de9d044bbe94cf92323ad8:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/grpc
 * [new ref]         8680cadb128b793098de9d044bbe94cf92323ad8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8680cad init from upstream