boot/module.nix: cleanup, add plymouth

modules/system/boot/module.nix

@@ -18,6 +18,7 @@ in {
         Set the boot loader's timeout. This is 0 by default, but preferably longer on remote servers to make switching to previous generations easier.
       '';
       type = int;
+      # I love spamming space
       default = 0;
     };
   };
@@ -35,16 +36,20 @@ in {
     boot = {
       tmp.useTmpfs = true;
       initrd = {
-        verbose = true;
+        verbose = false;
         systemd.enable = true;
       };
       loader = {
         efi.canTouchEfiVariables = true;
-        # I love spamming space
         timeout = cfg.timeout;
         systemd-boot = {
           enable = cfg.systemd-boot.enable;
+          # INFO: Leaving this enabled is a security vulneratibility,
+          # since we can just start /bin/sh from there and get root access.
+          # Since I have FDE, this isn't _as_ critical, but it would still be
+          # a bad idea to leave it enabled
           editor = mkForce false;
+          consoleMode = "auto";
           configurationLimit = 5;
         };
         grub = {
@@ -55,11 +60,25 @@ in {
         };
       };
       plymouth = {
-        enable = false;
+        enable = true;
-        # font = "${pkgs.jetbrains-mono}/share/fonts/truetype/JetBrainsMono-Regular.ttf";
+        themePackages = [
-        themePackages = [pkgs.plymouth-matrix-theme];
+          (pkgs.adi1090x-plymouth-themes.override
-        theme = "matrix";
+            {
+              selected_themes = [
+                "hud_3"
+              ];
+            })
+        ];
+        theme = "hud_3";
       };
     };
+    powerManagement = {
+      powerDownCommands = ''
+        ${pkgs.plymouth} --show-splash
+      '';
+      resumeCommands = ''
+        ${pkgs.plymouth} --quit
+      '';
+    };
   };
 }