refactor flake structure

flake/home.nix

@@ -0,0 +1,79 @@
+{
+  outputs,
+  rootPath,
+}: {
+  lib,
+  inputs,
+  ...
+}: let
+  homeModules =
+    {
+      default = import "${toString rootPath}/home/modules";
+      extra = import "${toString rootPath}/home/extra";
+    }
+    // (
+      (rootPath + "/home")
+      |> builtins.readDir
+      |> lib.filterAttrs (key: value: value == "directory")
+      |> lib.filterAttrs (
+        key: value:
+          !builtins.elem key [
+            "modules"
+            "extra"
+          ]
+      )
+      |> builtins.attrNames
+      |> map (name: {
+        name = name;
+        value = import "${toString rootPath}/home/${name}/modules";
+      })
+      |> builtins.listToAttrs
+    );
+  mkHomeConfig = {
+    hostName,
+    unixName ? "david",
+    system ? "x86_64-linux",
+    nixpkgs ? inputs.nixpkgs,
+    home-manager ? inputs.home-manager,
+  }: {
+    "${unixName}@${hostName}" = home-manager.lib.homeManagerConfiguration {
+      pkgs = nixpkgs.legacyPackages."${system}";
+      modules =
+        [
+          "${toString rootPath}/home/${unixName}/configurations/${hostName}"
+        ]
+        ++ (with homeModules; [
+          default
+          extra
+        ])
+        ++ [
+          homeModules."${unixName}"
+        ];
+      extraSpecialArgs = {
+        inherit
+          inputs
+          outputs
+          unixName
+          hostName
+          system
+          rootPath
+          ;
+      };
+    };
+  };
+in {
+  flake = {
+    homeConfigurations =
+      lib.foldr (a: b: a // b) {} (
+        map (hostName: mkHomeConfig {inherit hostName;}) [
+          "Tytonidae"
+          "Akun"
+        ]
+      )
+      // mkHomeConfig {
+        hostName = "Cape";
+        unixName = "alice";
+      };
+    inherit homeModules;
+  };
+}