this makes docker version output similar to official binary
$ docker version
Client:
Version: 18.06.1-ce
API version: 1.38
Go version: go1.10.3
Git commit: PLD-Linux/18.06.1
Built: Wed Oct 10 12:14:48 2018
OS/Arch: linux/amd64
Experimental: false
%build
grep -rhE "=%{runc_commit}|=%{containerd_commit}|=%{libnetwork_commit}" $(pwd)/components/engine/hack/dockerfile/install/
-export VERSION=%{version}
+export VERSION=%{version}-ce # for `docker version`
export GITCOMMIT="PLD-Linux/%{version}" # for cli
export DOCKER_GITCOMMIT="PLD-Linux/%{version}" # for engine