anchor.diff:  
     postInstall = ''
       wrapProgram "$bin/bin/minishift" \
  -      --prefix PATH ':' '${lib.makeBinPath [ docker-machine-kvm ]}'
  +      --prefix PATH ':' '${lib.makeBinPath [ docker-machine-kvm openshift ]}'
     '';
   
     meta = with lib; {
  
positive.code: { lib, buildGoPackage, fetchFromGitHub, go-bindata, pkgconfig, makeWrapper
  , glib, gtk3, libappindicator-gtk3, gpgme, ostree, libselinux, btrfs-progs
  , lvm2, docker-machine-kvm
  }:
  
  
negative.code:   postPatch = ''
      substituteInPlace vendor/github.com/containers/image/storage/storage_image.go \
        --replace 'nil, diff' 'diff'
  
      # minishift downloads openshift if not found therefore set the cache to /nix/store/...
      substituteInPlace pkg/minishift/cache/oc_caching.go \
        --replace 'filepath.Join(oc.MinishiftCacheDir, OC_CACHE_DIR, oc.OpenShiftVersion, runtime.GOOS)' '"${openshift}/bin"' \
        --replace '"runtime"' ""
    '';
  
    buildFlagsArray = ''
  