$ git clone -n https://gitee.com/src-opencloudos-rpms/subversion.git /var/lib/mock/dist-oc9-build-121697-71740/root/chroot_tmpdir/scmroot/subversion
Cloning into '/var/lib/mock/dist-oc9-build-121697-71740/root/chroot_tmpdir/scmroot/subversion'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/subversion
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe96a1f import subversion-1.14.2-8.tl4