$ git clone -n https://gitee.com/src-opencloudos-rpms/xmlunit.git /var/lib/mock/dist-oc9-build-62126-16463/root/chroot_tmpdir/scmroot/xmlunit
Cloning into '/var/lib/mock/dist-oc9-build-62126-16463/root/chroot_tmpdir/scmroot/xmlunit'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/xmlunit
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 276b3e4 import xmlunit-2.9.0-5.tl4