1 files changed, 184 insertions, 0 deletions
diff --git a/nix/flake/hosts.nix b/nix/flake/hosts.nix
new file mode 100644
index 0000000..3ce8c6b
--- /dev/null
+++ b/nix/flake/hosts.nix
@@ -0,0 +1,184 @@
+{
+  inputs,
+  self,
+  withSystem,
+  ...
+}:
+let
+  inherit (inputs.nixpkgs.lib // builtins)
+    filterAttrs
+    foldl'
+    makeOverridable
+    mapAttrs'
+    mapAttrsToList
+    mkForce
+    mkIf
+    nixosSystem
+    readDir
+    replaceStrings
+    substring
+    ;
+
+  inherit (inputs.darwin.lib) darwinSystem;
+
+  nixSettings = {
+    nix.registry.nixpkgs = {
+      flake = inputs.nixpkgs;
+    };
+  };
+
+  mapSystems =
+    dir: mapAttrsToList (name: _: name) (filterAttrs (_: type: type == "directory") (readDir dir));
+
+  mapHosts = foldl' (
+    hosts: system:
+    hosts
+    // (mapAttrs' (
+      filename: _:
+      let
+        name = replaceStrings [ ".nix" ] [ "" ] filename;
+      in
+      {
+        inherit name;
+        value = {
+          inherit system;
+          hostconf = ../machines/nixos + "/${system}/${filename}";
+        };
+      }
+    ) (builtins.readDir ../machines/nixos/${system}))
+  ) { };
+
+  mapMacs = foldl' (
+    hosts: system:
+    hosts
+    // (mapAttrs' (
+      filename: _:
+      let
+        name = replaceStrings [ ".nix" ] [ "" ] filename;
+      in
+      {
+        inherit name;
+        value = {
+          inherit system;
+          hostconf = ../machines/darwin + "/${system}/${filename}";
+        };
+      }
+    ) (builtins.readDir ../machines/darwin/${system}))
+  ) { };
+
+  defaultModules = [
+    nixSettings
+    inputs.agenix.nixosModules.age
+    inputs.disko.nixosModules.disko
+    inputs.home-manager.nixosModules.home-manager
+    ../modules/default.nix
+  ];
+
+  darwinDefaultModules = [
+    nixSettings
+    inputs.agenix.darwinModules.age
+    inputs.home-manager.darwinModules.home-manager
+    ../modules/default-darwin.nix
+  ];
+
+  darwinConfigurations = mapAttrs' (
+    name: conf:
+    let
+      inherit (conf) system hostconf;
+      adminUser = {
+        name = "fcuny";
+        userinfo = {
+          email = "franck@fcuny.net";
+          fullName = "Franck Cuny";
+        };
+      };
+    in
+    {
+      inherit name;
+      value = withSystem system (
+        { pkgs, ... }:
+        makeOverridable darwinSystem {
+          inherit system;
+          specialArgs = {
+            hostName = name;
+            inherit adminUser;
+            inherit self;
+            inherit inputs;
+          };
+          modules =
+            [
+              { inherit adminUser; }
+              {
+                nixpkgs.pkgs = pkgs;
+                nixpkgs.hostPlatform = system;
+                system.stateVersion = 5;
+                environment.systemPackages = [
+                  pkgs.git
+                ];
+              }
+            ]
+            ++ darwinDefaultModules
+            ++ [
+              hostconf
+            ];
+        }
+      );
+    }
+  ) (mapMacs (mapSystems ../machines/darwin));
+
+  nixosConfigurations = mapAttrs' (
+    name: conf:
+    let
+      inherit (conf) system hostconf;
+      adminUser = {
+        name = "fcuny";
+        userinfo = {
+          email = "franck@fcuny.net";
+          fullName = "Franck Cuny";
+        };
+      };
+    in
+    {
+      inherit name;
+      value = withSystem system (
+        { pkgs, ... }:
+        makeOverridable nixosSystem {
+          inherit system;
+          specialArgs = {
+            hostName = name;
+            inherit adminUser;
+            inherit self;
+            hostConfigurations = mapAttrs' (name: conf: {
+              inherit name;
+              value = conf.config;
+            }) nixosConfigurations;
+            inherit inputs;
+          };
+          modules =
+            [
+              {
+                inherit adminUser;
+              }
+              {
+                system.configurationRevision = mkIf (self ? rev) self.rev;
+                system.nixos.versionSuffix = mkForce "git.${substring 0 11 inputs.nixpkgs.rev}";
+                nixpkgs.pkgs = pkgs;
+                environment.systemPackages = [
+                  pkgs.git
+                ];
+              }
+            ]
+            ++ defaultModules
+            ++ [
+              hostconf
+            ];
+        }
+      );
+    }
+  ) (mapHosts (mapSystems ../machines/nixos));
+in
+{
+  flake = {
+    inherit nixosConfigurations darwinConfigurations;
+  };
+}