$ git clone -n https://gitee.com/gordonwwang/subversion.git /var/lib/mock/dist-ocs23-build-8566-141/root/chroot_tmpdir/scmroot/subversion
Cloning into '/var/lib/mock/dist-ocs23-build-8566-141/root/chroot_tmpdir/scmroot/subversion'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/gordonwwang/subversion
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4700cd1 sync internal git code