$ git clone -n https://gitee.com/opencloudos-stream/greenboot.git /home/lib/mock/dist-ocs23-build-235645-20604/root/chroot_tmpdir/scmroot/greenboot
Cloning into '/home/lib/mock/dist-ocs23-build-235645-20604/root/chroot_tmpdir/scmroot/greenboot'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/greenboot
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2326c41 Rebuilt for loongarch release