$ git clone -n https://gitee.com/opencloudos-stream/pandoc.git /var/lib/mock/dist-oc9-epol-build-227022-81136/root/chroot_tmpdir/scmroot/pandoc
Cloning into '/var/lib/mock/dist-oc9-epol-build-227022-81136/root/chroot_tmpdir/scmroot/pandoc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/pandoc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ebcd32 !3 Update to 3.6.4 Merge pull request !3 from brucezhang/master