From ac39d93be354e17729922d4320e9adee086f28c4 Mon Sep 17 00:00:00 2001
From: ItsDrike <itsdrike@protonmail.com>
Date: Sat, 13 Apr 2024 00:07:53 +0200
Subject: [PATCH] Use silent boot if plymouth is enabled

---
 options/system/boot/default.nix |  5 +++++
 system/boot/generic.nix         | 20 ++++++++++++++++++--
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/options/system/boot/default.nix b/options/system/boot/default.nix
index b29c5bb..50b82d9 100644
--- a/options/system/boot/default.nix
+++ b/options/system/boot/default.nix
@@ -23,5 +23,10 @@ in {
         This option defaults to `true` if the host provides patches to the kernel package in
         `boot.kernelPatches`
       '';
+
+    silentBoot = mkEnableOption ''
+      almost entirely silent boot process through `quiet` kernel parameter
+    ''
+    // { default = cfg.plymouth.enable; };
   };
 }
diff --git a/system/boot/generic.nix b/system/boot/generic.nix
index 4c82521..7efa56a 100644
--- a/system/boot/generic.nix
+++ b/system/boot/generic.nix
@@ -1,9 +1,9 @@
 { config, lib, ... }: let
-  inherit (lib) mkDefault;
+  inherit (lib) mkDefault optionals;
 
   cfg = config.myOptions.system.boot;
 in {
-  config.boot = {
+  boot = {
     # kernel console loglevel
     consoleLogLevel = 3;
 
@@ -38,5 +38,21 @@ in {
       # but should be tweaked based on your systems capabilities
       tmpfsSize = mkDefault "50%";
     };
+
+    kernelParams = (optionals cfg.silentBoot [
+      # tell the kernel to not be verbose
+      "quiet"
+
+      "loglevel=3" # 1: system is unusable | 3: error condition | 7: very verbose
+
+      # udev log message level
+      # rd prefix means systemd-udev will be used instead of initrd
+      "udev.log_level=3"
+      "rd.udev.log_level=3"
+
+      # disable systemd status messages
+      "systemd.show_status=auto"
+      "rd.systemd.show_status=auto"
+    ]);
   };
 }