$ git clone -n https://gitee.com/opencloudos-stream/openfortivpn.git /var/lib/mock/dist-oc9-epol-build-83725-57231/root/chroot_tmpdir/scmroot/openfortivpn
Cloning into '/var/lib/mock/dist-oc9-epol-build-83725-57231/root/chroot_tmpdir/scmroot/openfortivpn'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/openfortivpn
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 402bba1 package init