$ git clone -n https://gitee.com/opencloudos-stream/dpkg.git /var/lib/mock/dist-oc9-epol-build-139966-79709/root/chroot_tmpdir/scmroot/dpkg
Cloning into '/var/lib/mock/dist-oc9-epol-build-139966-79709/root/chroot_tmpdir/scmroot/dpkg'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/dpkg
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 623c960 !2 Rebuilt for loongarch64 Merge pull request !2 from brucezhang/master