$ git clone -n https://gitee.com/opencloudos-stream/R-XML.git /var/lib/mock/dist-oc9-epol-build-194213-80373/root/chroot_tmpdir/scmroot/R-XML
Cloning into '/var/lib/mock/dist-oc9-epol-build-194213-80373/root/chroot_tmpdir/scmroot/R-XML'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/R-XML
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c36fcfb !2 fix build error on loongarch64 Merge pull request !2 from Chris-wh233/master