feat: add darwin's cider

src/bee-module.nix

@@ -60,6 +60,14 @@
           };
           description = "divnix/hive requires you to set the home-manager input via 'config.bee.home = inputs.home-22-05;'";
         };
+        darwin = l.mkOption {
+          type = l.mkOptionType {
+            name = "input";
+            description = "darwin input";
+            check = x: (l.isAttrs x) && (l.hasAttr "sourceInfo" x);
+          };
+          description = "divnix/hive requires you to set the darwin input via 'config.bee.darwin = inputs.darwin;'";
+        };
         pkgs = l.mkOption {
           type = l.mkOptionType {
             name = "packages";
@@ -130,6 +138,39 @@
     imports = [beeModule locatedConfig extraConfig] ++ nixosModules;
   };
 
+  tranformToDarwinConfig = evaled: locatedConfig: let
+    darwinModules =
+      import (evaled.config.bee.darwin + "/modules/module-list.nix")
+      ++ [
+        evaled.options.bee.darwin.darwinModules.flakeOverrides
+      ];
+    extraConfig = {
+      # seemlessly integrate hm if desired
+      imports = l.optionals evaled.options.bee.home.isDefined [
+        evaled.config.bee.home.darwinModules.home-manager
+        {
+          home-manager.useGlobalPkgs = true;
+          home-manager.useUserPackages = true;
+        }
+      ];
+    };
+    eval = extra:
+      evaled.config.bee.darwin.lib.darwinSystem {
+        inherit (evaled.config.bee) system pkgs;
+        modules = [beeModule locatedConfig extraConfig extra];
+      };
+    bee =
+      evaled.config.bee
+      // {
+        _evaled = eval {config._module.check = true;};
+        _unchecked = eval {config._module.check = false;};
+      };
+  in {
+    inherit bee;
+    # complete module set, can be lib.evalModuled as-is
+    imports = [beeModule locatedConfig extraConfig] ++ darwinModules;
+  };
+
   tranformToHomeManagerConfig = evaled: locatedConfig: let
     lib = import (evaled.config.bee.home + /modules/lib/stdlib-extended.nix) l;
     hmModules = import (evaled.config.bee.home + /modules/modules.nix) {
@@ -163,6 +204,7 @@ in {
     beeModule
     checkBeeAnd
     tranformToNixosConfig
+    tranformToDarwinConfig
     tranformToHomeManagerConfig
     ;
 }

src/collect-darwin.nix

@@ -0,0 +1,22 @@
+{
+  inputs, # unused for now
+  nixpkgs,
+  cellBlock,
+}: renamer: let
+  l = nixpkgs.lib // builtins;
+  inherit (import ./walk.nix {inherit nixpkgs cellBlock;}) walkPaisano;
+  inherit (import ./bee-module.nix {inherit nixpkgs;}) beeModule checkBeeAnd tranformToDarwinConfig;
+
+  walk = self:
+    walkPaisano self (system: cell: [
+      (l.mapAttrs (target: config: {
+        _file = "Cell: ${cell} - Block: ${cellBlock} - Target: ${target}";
+        imports = [config];
+      }))
+      (l.mapAttrs (_: checkBeeAnd tranformToDarwinConfig))
+      (l.filterAttrs (_: config: config.bee.system == system))
+      (l.mapAttrs (_: config: config.bee._evaled))
+    ])
+    renamer;
+in
+  walk

src/collect.nix

@@ -7,25 +7,32 @@
     /*
     Modules declare an interface into a problem domain
     */
+    darwinModules = throw "not implemented yet";
     nixosModules = throw "not implemented yet";
     homeModules = throw "not implemented yet";
     shellModules = throw "not implemented yet";
     /*
     Profiles define values on that interface
     */
     hardwareProfiles = throw "not implemented yet";
+    darwinProfiles = throw "not implemented yet";
     nixosProfiles = throw "not implemented yet";
     homeProfiles = throw "not implemented yet";
     shellProfiles = throw "not implemented yet";
     /*
     Suites aggregate profiles into groups
     */
+    darwinSuites = throw "not implemented yet";
     nixosSuites = throw "not implemented yet";
     homeSuites = throw "not implemented yet";
     shellSuites = throw "not implemented yet";
     /*
     Configurations have an init-sequence and can be deployed
     */
+    darwinConfigurations = import ./collect-darwin.nix {
+      cellBlock = "darwinConfigurations";
+      inherit nixpkgs inputs;
+    };
     nixosConfigurations = import ./collect-nixos.nix {
       cellBlock = "nixosConfigurations";
       inherit nixpkgs inputs;