$ git clone -n https://gitee.com/opencloudos-stream/kdiagram.git /var/lib/mock/dist-oc9-epol-build-92385-59313/root/chroot_tmpdir/scmroot/kdiagram
Cloning into '/var/lib/mock/dist-oc9-epol-build-92385-59313/root/chroot_tmpdir/scmroot/kdiagram'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/kdiagram
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 390feab package init