$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-XML-Parser.git /var/lib/mock/dist-oc9-build-43950-14591/root/chroot_tmpdir/scmroot/perl-XML-Parser
Cloning into '/var/lib/mock/dist-oc9-build-43950-14591/root/chroot_tmpdir/scmroot/perl-XML-Parser'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-XML-Parser
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a76a603 import perl-XML-Parser-2.46-3.tl4