$ git clone -n https://gitee.com/opencloudos-stream/golang-github-rainycape-memcache.git /var/lib/mock/dist-ocs23-epol9-build-249911-24446/root/chroot_tmpdir/scmroot/golang-github-rainycape-memcache
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-249911-24446/root/chroot_tmpdir/scmroot/golang-github-rainycape-memcache'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/golang-github-rainycape-memcache
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8b717f update