$ git clone -n https://gitee.com/src-opencloudos-rpms/grpc.git /var/lib/mock/dist-oc9-build-124899-74506/root/chroot_tmpdir/scmroot/grpc
Cloning into '/var/lib/mock/dist-oc9-build-124899-74506/root/chroot_tmpdir/scmroot/grpc'...
$ git fetch origin c65eb7c8fed018a64254c5a6406192e65e169628:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/grpc
 * [new ref]         c65eb7c8fed018a64254c5a6406192e65e169628 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c65eb7c import grpc-1.56.2-10.tl4