properly configure kmscon

modules/default.nix

@@ -1,4 +1,4 @@
-{pkgs, ...}: {
+{...}: {
   imports = [
     ./shell
     ./desktop
@@ -6,18 +6,6 @@
     ./flatpak.nix
     ./firewall.nix
     ./git.nix
+    ./kmscon.nix
   ];
-
-  services.kmscon = {
-    enable = true;
-    fonts = [
-      {
-        name = "FiraCode Nerd Font";
-        package = pkgs.nerdfonts.override {fonts = ["FiraCode"];};
-      }
-    ];
-    extraConfig = "font-size=14";
-    extraOptions = "--term xterm-256color";
-    hwRender = true;
-  };
 }

modules/kmscon.nix

@@ -0,0 +1,69 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  generateOptions = with builtins; (
+    opts:
+      toString (
+        attrValues (
+          mapAttrs (name: value: "--${name} ${toString value}") opts
+        )
+      )
+  );
+  hexLookupTable = with lib; (listToAttrs (genList (i: {
+      name = let
+        r = toHexString i;
+      in (
+        if (stringLength r) == 1
+        then "0${r}"
+        else r
+      );
+      value = toString i;
+    })
+    256));
+  hexToOpt = with lib; (color:
+    concatStringsSep "," [
+      (getAttr (substring 1 2 (toUpper color)) hexLookupTable)
+      (getAttr (substring 3 2 (toUpper color)) hexLookupTable)
+      (getAttr (substring 5 2 (toUpper color)) hexLookupTable)
+    ]);
+in {
+  services.kmscon = {
+    enable = true;
+    fonts = [
+      {
+        name = "FiraCode Nerd Font";
+        package = pkgs.nerdfonts.override {fonts = ["FiraCode"];};
+      }
+    ];
+    extraConfig = "font-size=14";
+    # extraOptions = "--term xterm-256color";
+    extraOptions = generateOptions {
+      xkb-layout = config.services.xserver.xkb.layout;
+      xkb-variant = config.services.xserver.xkb.variant;
+
+      palette = "custom";
+      palette-foreground = hexToOpt "#ebdbb2";
+      palette-background = hexToOpt "#282828";
+      palette-black = hexToOpt "#282828";
+      palette-red = hexToOpt "#cc241d";
+      palette-green = hexToOpt "#98971a";
+      palette-yellow = hexToOpt "#d79921";
+      palette-blue = hexToOpt "#458588";
+      palette-magenta = hexToOpt "#b16286";
+      palette-cyan = hexToOpt "#689d6a";
+      palette-light-grey = hexToOpt "#a89984";
+      palette-dark-grey = hexToOpt "#928374";
+      palette-light-red = hexToOpt "#fb4934";
+      palette-light-green = hexToOpt "#b8bb26";
+      palette-light-yellow = hexToOpt "#fabd2f";
+      palette-light-blue = hexToOpt "#83a598";
+      palette-light-magenta = hexToOpt "#d3869b";
+      palette-light-cyan = hexToOpt "#8ec07c";
+      palette-white = hexToOpt "#ebdbb2";
+    };
+    hwRender = true;
+  };
+}