$ git clone -n https://gitee.com/opencloudos-stream/debhelper.git /var/lib/mock/dist-oc9-epol-build-139798-79709/root/chroot_tmpdir/scmroot/debhelper
Cloning into '/var/lib/mock/dist-oc9-epol-build-139798-79709/root/chroot_tmpdir/scmroot/debhelper'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/debhelper
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0d36c9 !1 Rebuilt for loongarch64 Merge pull request !1 from brucezhang/master