$ git clone -n https://gitee.com/opencloudos-stream/qpdf.git /var/lib/mock/dist-ocs23-build-237541-21067/root/chroot_tmpdir/scmroot/qpdf
Cloning into '/var/lib/mock/dist-ocs23-build-237541-21067/root/chroot_tmpdir/scmroot/qpdf'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/qpdf
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2804a0c Rebuilt for loongarch release