Remove Haddock pages from website 📝

This was more of a developer tool than part of the documentation, so it
makes sense to keep it off the main site. Also when modifying the
palette generator, the documentation on the site would become out of
sync with local changes anyway.

docs/default.nix

@@ -1,4 +1,4 @@
-{ pkgs, pkgsLib, coricamuLib, config, inputs, ... }:
+{ pkgs, pkgsLib, coricamuLib, inputs, ... }:
 
 {
   baseUrl = "https://danth.github.io/stylix/";
@@ -11,7 +11,6 @@
       <a href="">Home</a>
       <a href="options.html">NixOS options</a>
       <a href="options-hm.html">Home Manager options</a>
-      <a href="haddock/doc-index.html">Haskell internals</a>
       <a href="https://github.com/danth/stylix">GitHub repository</a>
     </nav>
   '';
@@ -76,24 +75,4 @@
           };
     }
   ];
-
-  files.haddock =
-    let
-      ghc = pkgs.haskellPackages.ghcWithPackages
-        (ps: with ps; [ json JuicyPixels random ]);
-    in
-      pkgs.stdenvNoCC.mkDerivation {
-        name = "palette-generator-haddock";
-        src = ../palette-generator;
-        buildInputs = [ ghc ];
-        buildPhase = ''
-          haddock $src/**/*.hs \
-            --html \
-            --ignore-all-exports \
-            --use-contents '${config.baseUrl}' \
-            --odir $out
-        '';
-        dontInstall = true;
-        dontFixup = true;
-      };
 }

flake.nix

@@ -31,32 +31,12 @@
     in recursiveUpdate docsOutputs {
       packages = genAttrs [ "aarch64-linux" "i686-linux" "x86_64-linux" ] (
         system:
-        let
-          pkgs = nixpkgs.legacyPackages.${system};
-
-          ghc =
-            pkgs.haskellPackages.ghcWithPackages
-            (ps: with ps; [ json JuicyPixels random ]);
-
+        let pkgs = nixpkgs.legacyPackages.${system};
         in {
-          palette-generator = pkgs.stdenvNoCC.mkDerivation {
-            name = "palette-generator";
-            src = ./palette-generator;
-            buildInputs = [ ghc ];
-            buildPhase = ''
-              ghc -O -threaded -Wall -Wno-type-defaults Stylix/Main.hs
-            '';
-            installPhase = ''
-              install -D Stylix/Main $out/bin/palette-generator
-            '';
-          };
+          palette-generator = pkgs.callPackage ./palette-generator { };
         }
       );
 
-      hydraJobs = {
-        inherit (self.packages.x86_64-linux) docs palette-generator;
-      };
-
       nixosModules.stylix = { pkgs, ... }@args: {
         imports = [
           (import ./stylix/nixos {

palette-generator/default.nix

@@ -0,0 +1,38 @@
+{ haskellPackages, stdenvNoCC }:
+
+let
+  ghc = haskellPackages.ghcWithPackages (ps: with ps; [
+    JuicyPixels
+    json
+    random
+  ]);
+
+  # `nix build .#palette-generator.passthru.docs` and open in a web browser
+  docs = stdenvNoCC.mkDerivation {
+    name = "palette-generator-haddock";
+
+    src = ./.;
+    buildInputs = [ ghc ];
+
+    buildPhase = ''
+      haddock $src/**/*.hs --html --ignore-all-exports --odir $out
+    '';
+    dontInstall = true;
+    dontFixup = true;
+  };
+
+in stdenvNoCC.mkDerivation {
+  name = "palette-generator";
+
+  src = ./.;
+  buildInputs = [ ghc ];
+
+  buildPhase = ''
+    ghc -O -threaded -Wall -Wno-type-defaults Stylix/Main.hs
+  '';
+  installPhase = ''
+    install -D Stylix/Main $out/bin/palette-generator
+  '';
+
+  passthru = { inherit docs; };
+}