$ git clone -n https://gitee.com/opencloudos-stream/sac.git /home/lib/mock/dist-ocs23-build-241309-22128/root/chroot_tmpdir/scmroot/sac
Cloning into '/home/lib/mock/dist-ocs23-build-241309-22128/root/chroot_tmpdir/scmroot/sac'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/sac
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7be5900 Rebuilt for loongarch release