$ git clone -n https://gitee.com/opencloudos-stream/lib2geom.git /var/lib/mock/dist-oc9-epol-build-82642-57123/root/chroot_tmpdir/scmroot/lib2geom
Cloning into '/var/lib/mock/dist-oc9-epol-build-82642-57123/root/chroot_tmpdir/scmroot/lib2geom'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/lib2geom
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d2c00d package init