$ git clone -n https://gitee.com/opencloudos-stream/erlang.git /var/lib/mock/dist-oc9-epol-build-68287-46980/root/chroot_tmpdir/scmroot/erlang
Cloning into '/var/lib/mock/dist-oc9-epol-build-68287-46980/root/chroot_tmpdir/scmroot/erlang'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/erlang
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c61307 !4 Adapt because wxGTK3-devel to wxGTK-devel Merge pull request !4 from rockerzhu/master