move vars into a separate file

custom/default.nix

@@ -0,0 +1,4 @@
+{
+  username = "andreas";
+  system = "x86_64-linux";
+}

flake.nix

@@ -12,10 +12,6 @@
       url = "github:nix-community/home-manager/release-21.11";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    custom = {
-      system = "x86_64-linux";
-      username = "andreas";
-    };
   };
 
   outputs =
@@ -24,9 +20,9 @@
     , nixpkgs-unstable
     , nixos-hardware
     , home-manager
-    , custom
     }:
     let
+      custom = import ./custom;
       system = custom.system;
       overlay-unstable = final: prev: {
         unstable = import nixpkgs-unstable {
@@ -46,7 +42,7 @@
       };
       mkComputer = configurationNix: homeManagerRole: extraModules: nixpkgs.lib.nixosSystem {
         inherit system pkgs;
-        specialArgs = { inherit inputs; };
+        specialArgs = { inherit custom inputs; };
         modules = (
           [
             # System configuration for this host
@@ -60,7 +56,7 @@
               home-manager.useGlobalPkgs = true;
               home-manager.useUserPackages = true;
               home-manager.users.${custom.username}.imports = [
-                (import homeManagerRole { inherit pkgs inputs; })
+                (import homeManagerRole { inherit custom pkgs inputs; })
               ];
             }
           ] ++ extraModules

home-manager/common/default.nix

@@ -1,8 +1,8 @@
-{ inputs, ... }:
+{ inputs, custom, ... }:
 {
   # Home Manager needs a bit of information about you and the
   # paths it should manage.
-  home.username = inputs.custom.username;
-  home.homeDirectory = "/home/${inputs.custom.username}";
+  home.username = custom.username;
+  home.homeDirectory = "/home/${custom.username}";
   programs.home-manager.enable = true;
 }

home-manager/desktop.nix

@@ -1,7 +1,7 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   imports = [
-    (import ./common { inherit inputs; })
+    (import ./common { inherit custom inputs; })
     ./software/work-desktop
     ./software/autorandr
     ./software/calibre

home-manager/headless.nix

@@ -1,4 +1,4 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   imports = [
     (import ./common { inherit inputs; })

home-manager/work-wsl.nix

@@ -1,4 +1,4 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   imports = [
     ./common
@@ -14,7 +14,7 @@
     enable = true;
     bashrcExtra = ''
       . ~/.nixos/home-manager/configs/bash/work_wsl_bashrc
-      . /home/${inputs.custom.username}/.nix-profile/etc/profile.d/nix.sh
+      . /home/${custom.username}/.nix-profile/etc/profile.d/nix.sh
     '';
   };
 }

modules/code-server/default.nix

@@ -1,8 +1,8 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   services.code-server = {
     enable = true;
-    user = inputs.custom.username;
+    user = custom.username;
     host = "0.0.0.0";
     auth = "none";
     extraPackages = with pkgs;
@@ -14,7 +14,7 @@
         git
       ];
     extraEnvironment = {
-      HOME = "/home/${inputs.custom.username}";
+      HOME = "/home/${custom.username}";
     };
   };
   networking.firewall.allowedTCPPorts = [ 4444 ];

modules/common/default.nix

@@ -1,4 +1,4 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   imports = [
     "${inputs.self}/modules/cli"
@@ -49,7 +49,7 @@
   # Disable the root user
   users.users.root.hashedPassword = "!";
   # Define a user account. Don't forget to set a password with ‘passwd’.
-  users.users.${inputs.custom.username} = {
+  users.users.${custom.username} = {
     isNormalUser = true;
     initialPassword = "password";
     extraGroups = [

modules/desktop/default.nix

@@ -1,4 +1,4 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   networking = {
     networkmanager.enable = true;
@@ -59,7 +59,7 @@
     terminator
   ];
   environment.shellAliases = {
-    management-server = "mosh ${inputs.custom.username}@10.7.89.150 tmux a";
+    management-server = "mosh ${custom.username}@10.7.89.150 tmux a";
   };
 }
 

modules/docker/default.nix

@@ -1,11 +1,11 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   virtualisation.docker =
     {
       enable = true;
       autoPrune.enable = true;
     };
-  users.users.${inputs.custom.username}.extraGroups = [ "docker" ];
+  users.users.${custom.username}.extraGroups = [ "docker" ];
   environment.systemPackages = with pkgs; [
     docker-compose
     lazydocker

modules/droidcam/default.nix

@@ -1,4 +1,4 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   programs.droidcam.enable = true;
   # required for USB connection
@@ -6,7 +6,7 @@
   environment.shellAliases = {
     webcam = "droidcam-cli -size=1920x1080 ios 4747";
   };
-  home-manager.users.${inputs.custom.username} = {
+  home-manager.users.${custom.username} = {
     xdg.desktopEntries = {
       droidcam = {
         name = "Droidcam";

modules/eog/default.nix

@@ -1,10 +1,10 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   environment.systemPackages = with pkgs; [
     gnome.eog
   ];
 
-  home-manager.users.${inputs.custom.username} = {
+  home-manager.users.${custom.username} = {
     xdg.mimeApps = {
       enable = true;
       associations.added = {

modules/espanso/default.nix

@@ -1,7 +1,7 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   services.espanso.enable = true;
-  home-manager.users.${inputs.custom.username} = {
+  home-manager.users.${custom.username} = {
     xdg.configFile.espanso = {
       target = "espanso/default.yml";
       onChange = "systemctl --user restart espanso";

modules/nix-direnv/default.nix

@@ -1,11 +1,11 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   nix.extraOptions = ''
     keep-outputs = true
     keep-derivations = true
   '';
 
-  home-manager.users.${inputs.custom.username} = {
+  home-manager.users.${custom.username} = {
     programs.direnv.enable = true;
     programs.direnv.nix-direnv.enable = true;
     programs.direnv.nix-direnv.enableFlakes = true;

modules/restic-server-client/default.nix

@@ -1,11 +1,11 @@
-{ inputs, time, ... }:
+{ inputs, custom, time, ... }:
 {
-  services.restic.backups.${inputs.custom.username} = {
+  services.restic.backups.${custom.username} = {
     user = "root";
     repository = "rest:http://10.7.89.30:8000";
     timerConfig.OnCalendar = time;
-    passwordFile = "/home/${inputs.custom.username}/.nixos/secrets/passwords/restic.key";
-    paths = [ "/home/${inputs.custom.username}/" ];
+    passwordFile = "/home/${custom.username}/.nixos/secrets/passwords/restic.key";
+    paths = [ "/home/${custom.username}/" ];
     extraBackupArgs = [
       "--exclude-file=${inputs.self}/modules/restic/excludes.txt"
     ];

modules/restic-server/default.nix

@@ -1,4 +1,4 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 let
   repository = "/mnt/restic-server";
 in

modules/restic/default.nix

@@ -1,18 +1,18 @@
-{ inputs, pkgs, ... }:
+{ inputs, custom, pkgs, ... }:
 {
   environment.systemPackages = with pkgs; [
     restic
   ];
 
-  services.restic.backups.${inputs.custom.username} = {
-    user = inputs.custom.username;
+  services.restic.backups.${custom.username} = {
+    user = custom.username;
     repository = "rest:http://10.7.89.30:8000";
     timerConfig = {
       OnCalendar = "hourly";
       RandomizedDelaySec = "15min";
     };
-    passwordFile = "/home/${inputs.custom.username}/.nixos/secrets/passwords/restic.key";
-    paths = [ "/home/${inputs.custom.username}/" ];
+    passwordFile = "/home/${custom.username}/.nixos/secrets/passwords/restic.key";
+    paths = [ "/home/${custom.username}/" ];
     extraBackupArgs = [
       "--exclude-file=${inputs.self}/modules/restic/excludes.txt"
     ];

modules/steam/default.nix

@@ -1,4 +1,4 @@
-{ inputs, ... }:
+{ inputs, custom, ... }:
 {
   programs.steam.enable = true;
   hardware.steam-hardware.enable = true;
@@ -6,7 +6,7 @@
     allowedTCPPorts = [ 27036 ];
     allowedUDPPorts = [ 27031 ];
   };
-  home-manager.users.${inputs.custom.username} = {
+  home-manager.users.${custom.username} = {
     home.file.".local/share/applications/steam.desktop".source = ./steam.desktop;
   };
 }

systems/proxmox-vm/default.nix

@@ -1,4 +1,4 @@
-{ inputs, hostname, ip, ... }:
+{ inputs, custom, hostname, ip, ... }:
 {
   imports = [
     (import "${inputs.self}/modules/mk-network" { inherit hostname ip; })