$ git clone -n https://gitee.com/src-opencloudos-rpms/evolution-data-server.git /var/lib/mock/dist-oc9-build-59839-16463/root/chroot_tmpdir/scmroot/evolution-data-server
Cloning into '/var/lib/mock/dist-oc9-build-59839-16463/root/chroot_tmpdir/scmroot/evolution-data-server'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/evolution-data-server
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4cab14b import evolution-data-server-3.49.1-3.tl4