$ git clone -n https://gitee.com/opencloudos-stream/ghc-data-default.git /var/lib/mock/dist-oc9-epol-build-227989-81184/root/chroot_tmpdir/scmroot/ghc-data-default
Cloning into '/var/lib/mock/dist-oc9-epol-build-227989-81184/root/chroot_tmpdir/scmroot/ghc-data-default'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-data-default
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64f866d !4 Update to 0.7.1.3 Merge pull request !4 from brucezhang/master