$ git clone -n https://gitee.com/opencloudos-stream/po4a.git /var/lib/mock/dist-ocs23-base-build-274193-25872/root/chroot_tmpdir/scmroot/po4a
Cloning into '/var/lib/mock/dist-ocs23-base-build-274193-25872/root/chroot_tmpdir/scmroot/po4a'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/po4a
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 072f353 Rebuilt for loongarch release