$ git clone -n https://gitee.com/opencloudos-stream/ghc-primitive.git /var/lib/mock/dist-oc9-epol-build-201285-80486/root/chroot_tmpdir/scmroot/ghc-primitive
Cloning into '/var/lib/mock/dist-oc9-epol-build-201285-80486/root/chroot_tmpdir/scmroot/ghc-primitive'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-primitive
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 966dd1d !2 Rebuilt for loongarch64 Merge pull request !2 from brucezhang/master