$ git clone -n https://gitee.com/opencloudos-stream/erlang.git /var/lib/mock/dist-ocs23-build-23889-1191/root/chroot_tmpdir/scmroot/erlang
Cloning into '/var/lib/mock/dist-ocs23-build-23889-1191/root/chroot_tmpdir/scmroot/erlang'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/erlang
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf88098 !1 Rebuild for wxGTK3 3.2.2.1 Merge pull request !1 from kianli/master