$ git clone -n https://gitee.com/src-opencloudos-rpms/memcached.git /var/lib/mock/dist-oc9-build-61035-16463/root/chroot_tmpdir/scmroot/memcached
Cloning into '/var/lib/mock/dist-oc9-build-61035-16463/root/chroot_tmpdir/scmroot/memcached'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/memcached
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a40d3f9 import memcached-1.6.22-1.tl4