$ git clone -n https://gitee.com/opencloudos-stream/ghc-aeson.git /var/lib/mock/dist-oc9-epol-build-223519-81044/root/chroot_tmpdir/scmroot/ghc-aeson
Cloning into '/var/lib/mock/dist-oc9-epol-build-223519-81044/root/chroot_tmpdir/scmroot/ghc-aeson'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-aeson
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed02645 !3 Update to 2.2.3.0 Merge pull request !3 from brucezhang/master