completely rework rune system

hosts/algiz/default.nix

@@ -13,6 +13,7 @@
       "node" # for docker langservers
       "python"
     ];
+    rune.motd = enabled;
 
     docker = enabled;
     backups = enabled;

hosts/algiz/system.nix

@@ -1,10 +1,5 @@
-{ lib, enabled, ... }:
+{ enabled, ... }:
 {
-  users.motd = lib.mkRune {
-    number = "6";
-    rune = "algiz";
-  };
-
   services.resolved = enabled;
 
   services.fail2ban = {

hosts/mannaz/default.nix

@@ -5,6 +5,7 @@
   oizys = {
     desktop = enabled;
     nix-ld = enabled;
+    rune.motd = enabled;
   };
 
   # Enable the X11 windowing system.

hosts/mannaz/system.nix

@@ -2,15 +2,9 @@
   config,
   pkgs,
   enabled,
-  mkRune,
   ...
 }:
 {
-  users.motd = mkRune {
-    number = "2";
-    rune = "mannaz";
-  };
-
   # Use the systemd-boot EFI boot loader.
   boot.loader = {
     systemd-boot = enabled;

hosts/othalan/system.nix

@@ -1,9 +1,4 @@
-{
-  pkgs,
-  enabled,
-  mkRune,
-  ...
-}:
+{ pkgs, enabled, ... }:
 {
   networking.networkmanager = enabled;
   services.printing = enabled;
@@ -28,14 +23,6 @@
 
   environment.systemPackages = with pkgs; [ pamixer ];
 
-  services.getty = {
-    greetingLine = mkRune {
-      rune = "othalan";
-      runeKind = "ascii";
-    };
-    helpLine = "";
-  };
-
   networking.hostName = "othalan";
   time.timeZone = "US/Central";
 

lib/default.nix

@@ -16,7 +16,6 @@ let
     mkDefaultOizysModule
     mkOizysModule
     enabled
-    mkRune
     ;
   inherit (lib.filesystem) listFilesRecursive;
 
@@ -46,7 +45,6 @@ rec {
           mkDefaultOizysModule
           mkOizysModule
           enabled
-          mkRune
           ;
       };
     };

lib/extended.nix

@@ -7,7 +7,6 @@ let
     mkOption
     types
     ;
-  runes = import ../modules/runes;
 in
 rec {
   enabled = {
@@ -38,13 +37,6 @@ rec {
 
   isNixFile = path: hasSuffix ".nix" path;
   mkIfIn = name: list: prev.mkIf (builtins.elem name list);
-  mkRune =
-    {
-      rune,
-      number ? "6",
-      runeKind ? "braille",
-    }:
-    "[1;3${number}m\n" + runes.${rune}.${runeKind} + "\n";
 
   mkOizysModule = config: attr: content: {
     options.oizys.${attr}.enable = mkEnableOption "enable ${attr} support";

modules/oizys.nix

@@ -5,7 +5,9 @@ in
 {
   imports = with self.nixosModules; [
     users
+    runes
     nix
+
     cli
     dev
     nvim

modules/runes/default.nix

@@ -1,5 +1,68 @@
 {
-  othalan = import ./othalan.nix;
-  algiz = import ./algiz.nix;
-  mannaz = import ./mannaz.nix;
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+let
+  inherit (lib)
+    types
+    mkOption
+    mkIf
+    mkEnableOption
+    ;
+  runes = {
+    othalan = import ./othalan.nix;
+    algiz = import ./algiz.nix;
+    mannaz = import ./mannaz.nix;
+  };
+  mkRune =
+    {
+      rune,
+      number ? "6",
+      runeKind ? "braille",
+    }:
+    "[1;3${number}m\n" + runes.${rune}.${runeKind} + "\n";
+  cfg = config.oizys.rune;
+in
+{
+  options.oizys = {
+    rune = {
+      enable = mkOption {
+        type = types.bool;
+        default = true;
+      };
+      motd.enable = mkEnableOption "set rune for MOTD";
+      name = mkOption {
+        default = config.networking.hostName;
+        type = types.either (types.enum (builtins.attrNames runes)) types.str;
+        description = "Name of rune (probabaly matches hostname)";
+      };
+      kind = mkOption {
+        type =
+          with types;
+          either (enum [
+            "ascii"
+            "braille"
+          ]) str;
+        default = "ascii";
+      };
+    };
+  };
+
+  config =
+    mkIf cfg.enable {
+      environment.etc.issue = {
+        source = pkgs.writeText "issue" (mkRune {
+          rune = cfg.name;
+          runeKind = cfg.kind;
+        });
+      };
+    }
+    // mkIf cfg.motd.enable {
+      users.motd = mkRune {
+        number = "2"; # todo: autogenerate based on hostname?
+        rune = cfg.name;
+      };
+    };
 }

pkgs/oizys/oizys-go/default.nix

@@ -1,5 +1,4 @@
 {
-
   installShellFiles,
   buildGoModule,
   lib,