$ git clone -n https://gitee.com/opencloudos-stream/duf.git /var/lib/mock/dist-oc9-epol-build-120038-70908/root/chroot_tmpdir/scmroot/duf
Cloning into '/var/lib/mock/dist-oc9-epol-build-120038-70908/root/chroot_tmpdir/scmroot/duf'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/duf
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b907737 !1 Initial build Merge pull request !1 from 赵云/master