$ git clone -n https://gitee.com/opencloudos-stream/sbc.git /var/lib/mock/dist-ocs23-base-build-257806-24615/root/chroot_tmpdir/scmroot/sbc
Cloning into '/var/lib/mock/dist-ocs23-base-build-257806-24615/root/chroot_tmpdir/scmroot/sbc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/sbc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ad0266 Rebuilt for loongarch release