smaller resulting packages

Dockerfile

@@ -0,0 +1,13 @@
+FROM monacoremo/nix:2020-01-31-62bbc2ab
+RUN nix-channel --add https://nixos.org/channels/nixpkgs-unstable nixpkgs \
+ && nix-channel --update
+ENV USER root
+RUN nix-env -i gnutar gzip \
+ && nix-env -iA cachix -f https://cachix.org/api/v1/install \
+ && cachix use xe \
+ && nix-env -e cachix \
+ && nix-collect-garbage
+
+WORKDIR /xe/pkgs
+COPY . .
+RUN nix-build default.nix && nix-collect-garbage

default.nix

@@ -5,8 +5,14 @@ let
 
   callPackage = pkgs.lib.callPackageWith (pkgs // self);
 
+  x = callPackage ./pkgs/x { };
+
   self = {
     MoonPlus = callPackage ./pkgs/moonplus { };
-    x = callPackage ./pkgs/x { };
+    appsluggr = x.appsluggr;
+    johaus = x.johaus;
+    license = x.license;
+    mainsanow = x.mainsanow;
+    prefix = x.prefix;
   };
 in self

pkgs/moonplus/default.nix

@@ -4,21 +4,21 @@ let
   repo = fetchFromGitHub {
     owner = "pigpigyyy";
     repo = "MoonPlus";
-    rev = "57191ed45bb7bd0ffcd917f00df2e940c900fb3c";
-    sha256 = "0scbi3d83g7yr51gnxasz2h924wyhbfq3c4a7c7sb0rrzb7m8ln7";
+    rev = "2e50c15bfe67d4709880a0377d37fca191be2f3e";
+    sha256 = "0h4kh20qi457mbwi4v7apji4kxqi8razys4aqp4z5v9d7zy0d0zz";
   };
 
   defaultAttrs = {
     builder = ./builder.sh;
     baseInputs = [];
     src = repo;
-    version = "HEAD-57191ed4";
+    version = "HEAD-2e50c15";
     name = "MoonPlus";
     system = builtins.currentSystem;
 
     installPhase = ''
       ls
-      install -D bin/release/moonc $out/bin/moonc
+      install -D bin/release/moonp $out/bin/moonp
     '';
   };
 

pkgs/x/default.nix

@@ -14,14 +14,45 @@ let
     };
 
     modSha256 = "sha256-mTzZcEoag1/1IAZCSY7MLgNS+lI453GM8SM1aFVLKUU=";
-    CGO_ENABLED = "0";
+    CGO_ENABLED="0";
 
     # TODO: remove references to go in the non-default output
-    allowGoReference = true;
+    allowGoReference = false;
 
     subPackages = [
-      "./..."
+       "cmd/appsluggr"
+       "cmd/johaus"
+       "cmd/license"
+       "cmd/mainsanow"
+       "cmd/prefix"
     ];
+
+    outputs = [
+      "out" # keep the default output but don't use it
+      "appsluggr"
+      "johaus"
+      "license"
+      "mainsanow"
+      "prefix"
+    ];
+
+    installPhase = ''
+      dir=$GOPATH/bin
+      install -D $dir/appsluggr $appsluggr/bin/appsluggr
+      install -D $dir/johaus $johaus/bin/johaus
+      install -D $dir/license $license/bin/license
+      install -D $dir/mainsanow $mainsanow/bin/mainsanow
+      install -D $dir/prefix $prefix/bin/prefix
+      # let nix know that everything was fine
+      touch $out
+    '';
   };
 
-in out
+in
+{
+  appsluggr = out.appsluggr;
+  johaus = out.johaus;
+  license = out.license;
+  mainsanow = out.mainsanow;
+  prefix = out.prefix;
+}