$ git clone -n https://gitee.com/src-opencloudos-rpms/xhtml1-dtds.git /var/lib/mock/dist-oc9-build-72310-47674/root/chroot_tmpdir/scmroot/xhtml1-dtds
Cloning into '/var/lib/mock/dist-oc9-build-72310-47674/root/chroot_tmpdir/scmroot/xhtml1-dtds'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/xhtml1-dtds
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9ce5a5 import xhtml1-dtds-1.0-20020801.4.tl4