$ git clone -n https://gitee.com/opencloudos-stream/libldevice.git /var/lib/mock/dist-oc9-epol-build-80884-54204/root/chroot_tmpdir/scmroot/libldevice
Cloning into '/var/lib/mock/dist-oc9-epol-build-80884-54204/root/chroot_tmpdir/scmroot/libldevice'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libldevice
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 595db30 !1 upgrade to upstream 0.2.1 Merge pull request !1 from jeremiazhao/master