Initial restructure of flake.nix

- Added nixpkgs-unstable input
- Added disko input
- Made nixosSystem & darwinSystem reusable with parameters
- Switched darwinConfigurations to use parameterized darwinSystem
- Switched nixosConfigurations to use parameterized darwinSystem

flake.lock

@@ -17,6 +17,26 @@
         "type": "github"
       }
     },
+    "disko": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1702569759,
+        "narHash": "sha256-Ze3AdEEsVZBRJ4wn13EZpV1Uubkzi59TkC4j2G9xoFI=",
+        "owner": "nix-community",
+        "repo": "disko",
+        "rev": "98ab91109716871f50ea8cb0e0ac7cc1e1e14714",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "disko",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": "systems"
@@ -143,6 +163,22 @@
         "type": "indirect"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1702539185,
+        "narHash": "sha256-KnIRG5NMdLIpEkZTnN5zovNYc0hhXjAgv6pfd5Z4c7U=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "aa9d4729cbc99dabacb50e3994dcefb3ea0f7447",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1688049487,
@@ -176,11 +212,13 @@
     },
     "root": {
       "inputs": {
+        "disko": "disko",
         "genebean-omp-themes": "genebean-omp-themes",
         "home-manager": "home-manager",
         "nix-darwin": "nix-darwin",
         "nix-homebrew": "nix-homebrew",
-        "nixpkgs": "nixpkgs_3"
+        "nixpkgs": "nixpkgs_3",
+        "nixpkgs-unstable": "nixpkgs-unstable"
       }
     },
     "systems": {

flake.nix

@@ -4,6 +4,7 @@
     # Where we get most of our software. Giant mono repo with recipes
     # called derivations that say how to build software.
     nixpkgs.url = "github:nixos/nixpkgs";
+    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixpkgs-unstable";
 
     # Controls system level software and settings including fonts
     nix-darwin = {
@@ -20,6 +21,12 @@
     # Manage Homebrew itself
     nix-homebrew.url = "github:zhaofengli-wip/nix-homebrew";
 
+    # Format disks with nix-config
+    disko = {
+      url = "github:nix-community/disko";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     # My oh-my-posh theme
     genebean-omp-themes = {
       url = "github:genebean/my-oh-my-posh-themes";
@@ -27,78 +34,90 @@
     };
 
   }; # end inputs
-  outputs = { self, nixpkgs, nix-darwin, home-manager, nix-homebrew, genebean-omp-themes, ... }: {
+  outputs = inputs@{ self, nixpkgs, nixpkgs-unstable, nix-darwin, home-manager, nix-homebrew, disko, genebean-omp-themes, ... }: let
-    nixosConfigurations = let
+    inputs = { inherit disko home-manager nixpkgs nixpkgs-unstable nix-darwin; };
-      user = "gene";
-    in {
-      rainbow-planet = nixpkgs.lib.nixosSystem {
-        system = "x86_64-linux";
-        modules = [
-          ./modules/nixos
 
-          home-manager.nixosModules.home-manager
+    # creates a nixos system config
-          {
+    nixosSystem = system: hostName: username: nixpkgs.lib.nixosSystem {
-            home-manager = {
+      pkgs = import nixpkgs {
-              useGlobalPkgs = true;
+        inherit system;
-              useUserPackages = true;
+        config = {
-              users.${user}.imports = [
+          allowUnfree = true;
-                ./modules/home-manager
+          permittedInsecurePackages = [
-                ./modules/home-manager/nixos.nix
+            "electron-21.4.4"
-                ./modules/nixos/dconf.nix
+          ];
-              ];
-              extraSpecialArgs = { inherit genebean-omp-themes; };
-            };
-          }
-        ];
-      }; # end rainbow-planet
-    }; # end nixosConfigurations
-
-    # This is only set to work with x86 macOS right now... that will need to be updated
-    darwinConfigurations = let
-      user = "gene.liverman";
-    in {
-      Blue-Rock = nix-darwin.lib.darwinSystem {
-        system = "x86_64-darwin";
-        pkgs = import nixpkgs {
-          system = "x86_64-darwin";
-          config = {
-            allowUnfree = true;
-            permittedInsecurePackages = [
-              "python-2.7.18.6"
-            ];
-          };
         };
-        modules = [
+      };
-          nix-homebrew.darwinModules.nix-homebrew
+      modules = [
-          {
+        ./modules/nixos
-            nix-homebrew = {
-              # Install Homebrew under the default prefix
-              enable = true;
 
-              # User owning the Homebrew prefix
+        home-manager.nixosModules.home-manager
-              user = "${user}";
+        {
+          home-manager = {
+            useGlobalPkgs = true;
+            useUserPackages = true;
+            users.${username}.imports = [
+              ./modules/home-manager
+              ./modules/home-manager/nixos.nix
+              ./modules/nixos/dconf.nix
+            ];
+            extraSpecialArgs = { inherit genebean-omp-themes; };
+          };
+        }
+      ];
 
-              # Automatically migrate existing Homebrew installations
+    }; # end nixosSystem
-              autoMigrate = true;
-            };
-          }
 
-          ./modules/darwin
+    # creates a macOS system config
+    darwinSystem = system: hostName: username: nix-darwin.lib.darwinSystem {
+      pkgs = import nixpkgs {
+        inherit system;
+        config = {
+          allowUnfree = true;
+          permittedInsecurePackages = [
+            "python-2.7.18.6"
+          ];
+        };
+      };
+      modules = [
+        nix-homebrew.darwinModules.nix-homebrew
+        {
+          nix-homebrew = {
+            # Install Homebrew under the default prefix
+            enable = true;
 
-          home-manager.darwinModules.home-manager
+            # User owning the Homebrew prefix
-          {
+            user = "${username}";
-            home-manager = {
+
-              useGlobalPkgs = true;
+            # Automatically migrate existing Homebrew installations
-              useUserPackages = true;
+            autoMigrate = true;
-              users.${user}.imports = [
+          };
-                ./modules/home-manager
+        }
-                ./modules/home-manager/darwin.nix
+
-              ];
+        ./modules/darwin
-              extraSpecialArgs = { inherit genebean-omp-themes; };
+
-            };
+        home-manager.darwinModules.home-manager
-          }
+        {
-        ]; # end modules
+          home-manager = {
-      }; # end Blue-Rock
+            useGlobalPkgs = true;
-    }; # end darwinConfigurations
+            useUserPackages = true;
+            users.${username}.imports = [
+              ./modules/home-manager
+              ./modules/home-manager/darwin.nix
+            ];
+            extraSpecialArgs = { inherit genebean-omp-themes; };
+          };
+        }
+      ]; # end modules
+    }; # end darwinSystem
+
+  in {
+      darwinConfigurations = {
+        Blue-Rock = darwinSystem "x86_64-darwin" "Blue-Rock" "gene.liverman";
+      };
+
+      nixosConfigurations = {
+        rainbow-planet = nixosSystem "x86_64-linux" "rainbow-planet" "gene";
+      };
   };
 }