$ git clone -n https://gitee.com/opencloudos-stream/libmd.git /var/lib/mock/dist-oc9-epol-build-68489-46994/root/chroot_tmpdir/scmroot/libmd
Cloning into '/var/lib/mock/dist-oc9-epol-build-68489-46994/root/chroot_tmpdir/scmroot/libmd'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libmd
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 067b351 !1 【自动升级】libmd 1.1.0 Merge pull request !1 from ocs-bot/master