Add home-manager, per-user configs, and tmux configuration

nixos-anywhere/configuration.nix

@@ -22,6 +22,8 @@
 		pkgs.gitMinimal
 	];
 
+	myModules.tmux.enable = true;
+
 	services.openssh.enable = true;
 
 	system.stateVersion = "25.05";

nixos-anywhere/flake.lock

@@ -20,6 +20,27 @@
         "type": "github"
       }
     },
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1752208517,
+        "narHash": "sha256-aRY1cYOdVdXdNjcL/Twpa27CknO7pVHxooPsBizDraE=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "c6a01e54af81b381695db796a43360bf6db5702f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "release-25.05",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
     "nixos-facter-modules": {
       "locked": {
         "lastModified": 1750412875,
@@ -54,6 +75,7 @@
     "root": {
       "inputs": {
         "disko": "disko",
+        "home-manager": "home-manager",
         "nixos-facter-modules": "nixos-facter-modules",
         "nixpkgs": "nixpkgs"
       }

nixos-anywhere/flake.nix

@@ -1,25 +1,53 @@
 {
-	inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-	inputs.disko.url = "github:nix-community/disko";
-	inputs.disko.inputs.nixpkgs.follows = "nixpkgs";
-	inputs.nixos-facter-modules.url = "github:numtide/nixos-facter-modules";
+	inputs = {
+		disko = {
+			inputs.nixpkgs.follows = "nixpkgs";
+			url = "github:nix-community/disko";
+		};
+		home-manager = {
+			url = "github:nix-community/home-manager/release-25.05";
+			inputs.nixpkgs.follows = "nixpkgs";
+		};
+		nixos-facter-modules.url = "github:numtide/nixos-facter-modules";
+		nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+	};
 
 	outputs =
 		{
-			nixpkgs,
 			disko,
+			home-manager,
+			nixpkgs,
 			nixos-facter-modules,
 			...
 		}:
-		{
+		let
+			configFiles = pkgs.stdenv.mkDerivation {
+				installPhase = ''
+					mkdir -p $out
+					cp -r * $out/
+				'';
+				name = "config-files";
+				src = ./configs;
+			};
+			pkgs = nixpkgs.legacyPackages.${system};
+			system = "x86_64-linux";
+		in {
 			# tested with 2GB/2CPU droplet, 1GB droplets do not have enough RAM for kexec
 			nixosConfigurations.digitalocean = nixpkgs.lib.nixosSystem {
-				system = "x86_64-linux";
+				system = "${system}";
 				modules = [
+					./configuration.nix
 					./digitalocean.nix
 					disko.nixosModules.disko
 					{ disko.devices.disk.disk1.device = "/dev/vda"; }
-					./configuration.nix
+					home-manager.nixosModules.home-manager {
+						home-manager.useGlobalPkgs = true;
+						home-manager.useUserPackages = true;
+						home-manager.sharedModules = [];
+						home-manager.extraSpecialArgs = { inherit configFiles; };
+					}
+					./modules
+					./users
 				];
 			};
 		};

nixos-anywhere/modules/default.nix

@@ -0,0 +1,5 @@
+{
+	imports = [
+		./system
+	];
+}

nixos-anywhere/modules/home/default.nix

@@ -0,0 +1,5 @@
+{
+	imports = [
+		./system
+	];
+}

nixos-anywhere/modules/system/default.nix

@@ -0,0 +1,5 @@
+{
+	imports = [
+		./tmux.nix
+	];
+}

nixos-anywhere/modules/system/tmux.nix

@@ -0,0 +1,18 @@
+{ config, lib, pkgs, configFiles, ... }:
+
+with lib;
+
+{
+	options.myModules.tmux.enable = mkEnableOption "custom tmux configuration";
+
+	config = mkIf config.myModules.tmux.enable {
+		environment.systemPackages = [ pkgs.tmux ];
+
+		environment.etc."tmux.conf".source = "${configFiles}/tmux/tmux.conf";
+
+		# Alternative: if you want per-user configs
+		# users.users = mkMerge (map (user: {
+		#	 ${user}.home = "${configPath}/configs/tmux/tmux.conf";
+		# }) config.myModules.tmux.users);
+	};
+}