Make everything purer

flake.lock

@@ -88,6 +88,21 @@
         "type": "github"
       }
     },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1676283394,
+        "narHash": "sha256-XX2f9c3iySLCw54rJ/CZs+ZK6IQy7GXNY4nSOyu2QG4=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "3db36a8b464d0c4532ba1c7dda728f4576d6d073",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -177,6 +192,7 @@
         "agenix": "agenix",
         "darwin": "darwin",
         "ffmac": "ffmac",
+        "flake-utils": "flake-utils",
         "home-manager": "home-manager",
         "nixunstable": "nixunstable",
         "nurpkgs": "nurpkgs",
@@ -203,7 +219,7 @@
     "wsl": {
       "inputs": {
         "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
+        "flake-utils": "flake-utils_2",
         "nixpkgs": [
           "nixunstable"
         ]

flake.nix

@@ -8,6 +8,7 @@
 		stable.url = "github:nixos/nixpkgs/nixos-22.05";
 		nixunstable.url = "github:nixos/nixpkgs/nixos-unstable";
 		agenix.url = "github:ryantm/agenix";
+		flake-utils.url = "github:numtide/flake-utils";
 		home-manager = {
 			url = "github:nix-community/home-manager/release-22.05";
 			inputs.nixpkgs.follows = "stable";
@@ -24,7 +25,7 @@
 		ffmac.url = "github:bandithedoge/nixpkgs-firefox-darwin";
 	};
 
-	outputs = {stable, nixunstable, agenix, home-manager, nurpkgs, self, wsl, ...}@inputs:
+	outputs = {stable, nixunstable, agenix, home-manager, nurpkgs, self, wsl, flake-utils, ...}@inputs:
 	let
 		local_overlay = import ./overlays;
 		overlays = [
@@ -108,17 +109,11 @@
 			};
 		};
 
-		#"x86_64-linux" = inputs.self.nixosConfigurations.iso.config.system.build.isoImage;
-		#"x86_64-darwin" = inputs.self.darwinConfigurations.C02G48H8MD6R.system;
-		defaultPackage = {
-			"x86_64-linux" = inputs.self.homeConfigurations."x86_64-gui".activationPackage;
-			"aarch64-linux" = inputs.self.homeConfigurations."aarch64-gui".activationPackage;
-			"x86_64-darwin" = inputs.self.homeConfigurations."x86_64-darwin".activationPackage;
-		};
+		defaultPackage = flake-utils.lib.eachDefaultSystemMap (system: inputs.self.homeConfigurations.gui."${system}".activationPackage);
 
 		homeConfigurations = (
 			import ./home {
-				inherit nixunstable agenix home-manager overlays;
+				inherit nixunstable agenix home-manager overlays flake-utils;
 				nixpkgs = nixunstable;
 			}
 		);

garnix.yaml

@@ -6,6 +6,6 @@ builds:
     - defaultPackage.x86_64-linux
     - defaultPackage.aarch64-linux
     - defaultPackage.x86_64-darwin
-    - darwinConfigurations.C02G48H8MD6R
+    - defaultPackage.aarch64-darwin
   exclude:
     - nixosConfigurations.linode  # Requires decrypted files

home/default.nix

@@ -2,27 +2,31 @@
 	nixpkgs,
 	overlays,
 	home-manager,
-	username ? builtins.getEnv "USER",
+	flake-utils,
 	...
 }:
 
 let
-	home = system:
+	# I'm "greg" everywhere except Darwin where I'm "gregory.hellings"
+	user = system:
+		( if ( nixpkgs.lib.hasSuffix "-darwin" system ) then "gregory.hellings" else "greg" );
+	home = system: username:
 		if username == "root" then "/root" else
 			( if ( nixpkgs.lib.hasSuffix "-darwin" system ) then "/Users/${username}" else "/home/${username}" );
 
 	mkhome = {
 		system,
 		gui,
-		gnome
+		gnome,
+		username
 	}:
 		let
-			homeDirectory = home system;
+			homeDirectory = home system username;
 
 			configDir = "${homeDirectory}/.config";
 
 			pkgs = import nixpkgs {
-				inherit overlays;
+				inherit overlays system;
 				config.allowUnfree = true;
 				config.xdg.configHome = configDir;
 			};
@@ -36,29 +40,23 @@ let
 			};
 		};
 
-	gdm = {
+in flake-utils.lib.eachDefaultSystem (system: {
+	gui = mkhome {
+		inherit system;
+		gui = true;
+		gnome = false;
+		username = user system;
+	};
+	gdm = mkhome {
+		inherit system;
 		gui = true;
 		gnome = true;
+		username = user system;
 	};
-
-	cli = {
+	cli = mkhome {
+		inherit system;
 		gui = false;
 		gnome = false;
+		username = user system;
 	};
-
-	gui = {
-		gui = true;
-		gnome = false;
-	};
-
-	arm = { system = "aarch64-linux"; };
-	x86 = { system = "x86_64-linux"; };
-	darwin = { system = "x86_64-darwin"; };
-in {
-	"wsl" = mkhome (gui // arm);
-	"aarch64-gui" = mkhome (gdm // arm);
-	"aarch64-nogui" = mkhome (cli // arm);
-	"x86_64-gui" = mkhome (gdm // x86);
-	"x86_64-nogui" = mkhome (cli // x86);
-	"x86_64-darwin" = mkhome (gui // darwin);
-}
+})

overlays/hms.sh

@@ -6,25 +6,25 @@ arch="$(uname -m)"
 if [ "$(uname -s)" == "Darwin" ]; then
 	# On macOS
 	src="${HOME}/.config/nix/"
-	target="${arch}-darwin"
+	flavor="gui"
 elif [ x"${WSL_DISTRO_NAME}" != "x" ]; then
 	src=/etc/nixos
-	target="wsl"
+	flavor="cli"
 else
-	# On Linux/WSL2 systems
+	# On Linux systems
 	if [ -z "${DISPLAY}" ]; then
-		target="${arch}-nogui"
+		flavor="cli"
 	else
-		target="${arch}-gui"
+		flavor="gdm"
 	fi
 	src=/etc/nixos
 fi
 
 # Build and switch
-echo "Building ${target}"
+echo "Building ${flavor}.${arch}"
 dest=$(mktemp -d)
 pushd "${dest}" > /dev/null
-nix build --impure "${src}#homeConfigurations.${target}.activationPackage"
+nix build "${src}#homeConfigurations.${flavor}.${arch}.activationPackage"
 ./result/activate
 popd > /dev/null
 rm -r "${dest}"