$ git clone -n https://gitee.com/opencloudos-stream/kernel.git /var/lib/mock/dist-rebuild-after-rpm-check-build-160697-10078/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/dist-rebuild-after-rpm-check-build-160697-10078/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/kernel
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e6e5dc !13 rebuild for elfutils 0.190 Merge pull request !13 from rockerzhu/master