$ git clone -n https://gitee.com/opencloudos-stream/memcached.git /var/lib/mock/dist-ocs23-build-35919-1892/root/chroot_tmpdir/scmroot/memcached
Cloning into '/var/lib/mock/dist-ocs23-build-35919-1892/root/chroot_tmpdir/scmroot/memcached'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/memcached
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62f5735 !1 Upgrade to version 1.6.21 Merge pull request !1 from gordonwwang/master