$ git clone -n https://gitee.com/opencloudos-stream/wlcs.git /var/lib/mock/dist-oc9-epol-build-84875-57404/root/chroot_tmpdir/scmroot/wlcs
Cloning into '/var/lib/mock/dist-oc9-epol-build-84875-57404/root/chroot_tmpdir/scmroot/wlcs'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/wlcs
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1b0a38 package init