$ git clone -n https://gitee.com/opencloudos-stream/perl-RDF-NS-Curated.git /var/lib/mock/dist-oc9-epol-build-94099-59519/root/chroot_tmpdir/scmroot/perl-RDF-NS-Curated
Cloning into '/var/lib/mock/dist-oc9-epol-build-94099-59519/root/chroot_tmpdir/scmroot/perl-RDF-NS-Curated'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-RDF-NS-Curated
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e08578 update