move packages to own file

flake.nix

@@ -23,60 +23,7 @@
         );
     in
     {
-      packages = forAllSystems (
-        { pkgs, ... }:
-        rec {
-          hugo-theme-poison = pkgs.stdenv.mkDerivation {
-            pname = "hugo-theme-poison";
-            homepage = "https://poison.lukeorth.com/";
-            version = "";
-
-            src = pkgs.fetchFromGitHub {
-              owner = "lukeorth";
-              repo = "poison";
-              rev = "07485e85f0247518bc64ed0cc6fd6b39abe3d90d";
-              hash = "sha256-NQN4u6rBjw+zC7NuDUFg9LUuuvIR7Ed22UIs2jcZtkQ=";
-            };
-
-            installPhase = ''
-              mkdir -p $out
-              cp -r * $out
-            '';
-          };
-
-          zerforschen-plus-content = pkgs.stdenv.mkDerivation {
-            name = "zerforschen-plus-content";
-
-            # Source directory containing your Hugo project
-            src = ./.;
-
-            # Build dependencies
-            nativeBuildInputs = [
-              pkgs.hugo
-            ];
-
-            preBuildPhase = ''
-            '';
-
-            # Build phase - run Hugo to generate the site
-            buildPhase = ''
-              # Copy in theme before building website
-              mkdir -p themes/poison
-              cp -r ${hugo-theme-poison}/* themes/poison/
-
-              hugo
-            '';
-
-            # Install phase - copy the public directory to the output
-            installPhase = ''
-              mkdir -p $out
-              cp -r public/* $out/
-            '';
-          };
-
-          default = zerforschen-plus-content;
-        }
-      );
+      packages = forAllSystems (import ./packages.nix);
 
       devShells = forAllSystems (
         { pkgs, system, ... }:

packages.nix

@@ -0,0 +1,49 @@
+{ pkgs, ... }:
+rec {
+  hugo-theme-poison = pkgs.stdenv.mkDerivation {
+    pname = "hugo-theme-poison";
+    homepage = "https://poison.lukeorth.com/";
+    version = "";
+
+    src = pkgs.fetchFromGitHub {
+      owner = "lukeorth";
+      repo = "poison";
+      rev = "07485e85f0247518bc64ed0cc6fd6b39abe3d90d";
+      hash = "sha256-NQN4u6rBjw+zC7NuDUFg9LUuuvIR7Ed22UIs2jcZtkQ=";
+    };
+
+    installPhase = ''
+      mkdir -p $out
+      cp -r * $out
+    '';
+  };
+
+  zerforschen-plus-content = pkgs.stdenv.mkDerivation {
+    name = "zerforschen-plus-content";
+
+    # Source directory containing your Hugo project
+    src = ./.;
+
+    # Build dependencies
+    nativeBuildInputs = [
+      pkgs.hugo
+    ];
+
+    # Build phase - run Hugo to generate the site
+    buildPhase = ''
+      # Copy in theme before building website
+      mkdir -p themes/poison
+      cp -r ${hugo-theme-poison}/* themes/poison/
+
+      hugo
+    '';
+
+    # Install phase - copy the public directory to the output
+    installPhase = ''
+      mkdir -p $out
+      cp -r public/* $out/
+    '';
+  };
+
+  default = zerforschen-plus-content;
+}