feat: rework shared/common lib

machines/bento/default.nix

@@ -1,10 +1,9 @@
-{pkgs, ...}: let
-  mainUser = "w";
-in {
-  imports = [
-    ./hardware.nix
-    ../common/linux
-  ];
+{
+  config,
+  pkgs,
+  ...
+}: {
+  imports = [./hardware.nix];
 
   boot = {
     kernelPackages = pkgs.linuxPackages_latest;
@@ -31,13 +30,5 @@ in {
   };
 
   virtualisation.docker.enable = true;
-
-  users.users."${mainUser}" = {
-    extraGroups = ["wheel" "docker"];
-    isNormalUser = true;
-    openssh.authorizedKeys.keys = ["ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILm0O46zW/XfVOSwz0okRWYeOAg+wCVkCtCAoVTpZsOh"];
-    shell = pkgs.zsh;
-  };
-
-  system.stateVersion = "22.11";
+  users.users."${config.dotfiles.username}".extraGroups = ["docker"];
 }

machines/common/darwin/default.nix

@@ -2,8 +2,6 @@
   # manipulate the global /etc/zshenv for PATH, etc.
   programs.zsh.enable = true;
 
-  # Used for backwards compatibility, please read the changelog before changing.
-  # $ darwin-rebuild changelog
   system.stateVersion = 4;
 
   security.pam.enableSudoTouchIdAuth = true;

machines/common/linux/default.nix

@@ -36,4 +36,6 @@
 
   programs.nix-ld.enable = true;
   programs.zsh.enable = true;
+
+  system.stateVersion = "22.11";
 }

machines/common/shared/default.nix

@@ -1,5 +1,7 @@
 {
   imports = [
+    ./nix.nix
     ./podman.nix
+    ./user.nix
   ];
 }

machines/common/shared/nix.nix

@@ -1,7 +1,4 @@
 {pkgs, ...}: {
-  imports = [
-    ./shared
-  ];
   nixpkgs.config.allowUnfree = true;
   nix = {
     gc.automatic = true;

machines/common/shared/user.nix

@@ -0,0 +1,28 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  homeRoot =
+    if pkgs.stdenv.isDarwin
+    then "/Users"
+    else if pkgs.stdenv.isLinux
+    then "/home"
+    else throw "Unsupported OS";
+in {
+  users.users."${config.dotfiles.username}" =
+    {
+      home = "${homeRoot}/${config.dotfiles.username}";
+      openssh.authorizedKeys.keys = ["ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILm0O46zW/XfVOSwz0okRWYeOAg+wCVkCtCAoVTpZsOh"];
+      shell = pkgs.zsh;
+    }
+    // (
+      if pkgs.stdenv.isLinux
+      then {
+        isNormalUser = lib.mkIf pkgs.stdenv.isLinux true;
+        extraGroups = ["wheel"];
+      }
+      else {}
+    );
+}

machines/futomaki/default.nix

@@ -1,10 +1,9 @@
-{pkgs, ...}: let
-  mainUser = "winston";
-in {
-  imports = [
-    ./hardware.nix
-    ../common/linux
-  ];
+{
+  config,
+  pkgs,
+  ...
+}: {
+  imports = [./hardware.nix];
 
   networking = {
     hostName = "futomaki";
@@ -19,19 +18,14 @@ in {
     blueman.enable = true;
     openssh.enable = true;
     pcscd.enable = true;
+    transmission.enable = true;
+    transmission.openFirewall = true;
   };
 
   virtualisation.docker.enable = true;
   virtualisation.libvirtd.enable = true;
 
-  users.users."${mainUser}" = {
-    extraGroups = ["docker" "libvirtd" "wheel" "transmission"];
-    isNormalUser = true;
-    openssh.authorizedKeys.keys = ["ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILm0O46zW/XfVOSwz0okRWYeOAg+wCVkCtCAoVTpZsOh"];
-    shell = pkgs.zsh;
-  };
-
-  system.stateVersion = "22.11";
+  users.users."${config.dotfiles.username}".extraGroups = ["docker" "libvirtd" "transmission"];
 
   environment.systemPackages = with pkgs; [
     (discord.override {withOpenASAR = true;})
@@ -54,7 +48,4 @@ in {
       };
     };
   };
-
-  services.transmission.enable = true;
-  services.transmission.openFirewall = true;
 }

machines/lib.nix

@@ -33,10 +33,6 @@
       };
     };
   });
-  mkMerge = contents: {
-    _type = "merge";
-    inherit contents;
-  };
   mkSystem = {
     host,
     system,
@@ -61,17 +57,36 @@
       else if isDarwin
       then "darwinModules"
       else throw "Unsupported system";
+    hostPlatform =
+      if isLinux
+      then "linux"
+      else if isDarwin
+      then "darwin"
+      else throw "Unsupported system";
     pkgs = inputs.nixpkgs.legacyPackages.${system};
     inherit (pkgs.stdenv) isDarwin isLinux;
   in {
     ${target}."${host}" = builder {
       inherit system;
       modules = with inputs;
-        [./common ./${host} home-manager.${module}.home-manager]
+        [
+          {
+            options.dotfiles.username = with pkgs.lib;
+              mkOption {
+                description = "Main user of this configuration.";
+                type = types.str;
+                default = "${username}";
+              };
+          }
+          ./common/shared
+          ./common/${hostPlatform}
+          ./${host}
+          home-manager.${module}.home-manager
+        ]
         ++ pkgs.lib.optionals isDarwin [nekowinston-nur.darwinModules.default]
         ++ [(hmCommonConfig {inherit username;})]
         ++ extraModules;
     };
   };
-  mkSystems = systems: mkMerge (map mkSystem systems);
+  mkSystems = systems: inputs.nixpkgs.lib.mkMerge (map mkSystem systems);
 }

machines/sashimi/default.nix

@@ -1,10 +1,6 @@
 {
-  imports = [
-    ./brew.nix
-    ../common/darwin
-  ];
+  imports = [./brew.nix];
 
-  users.users.winston.home = "/Users/winston";
   networking.computerName = "sashimi";
   networking.hostName = "sashimi";
 }