add boot splash screen

flake.lock

@@ -263,6 +263,22 @@
         "type": "github"
       }
     },
+    "plymouth-themes": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1626085315,
+        "narHash": "sha256-VNGvA8ujwjpC2rTVZKrXni2GjfiZk7AgAn4ZB4Baj2k=",
+        "owner": "adi1090x",
+        "repo": "plymouth-themes",
+        "rev": "bf2f570bee8e84c5c20caac353cbe1d811a4745f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "adi1090x",
+        "repo": "plymouth-themes",
+        "type": "github"
+      }
+    },
     "ranger-icons": {
       "flake": false,
       "locked": {
@@ -307,6 +323,7 @@
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "nur": "nur",
+        "plymouth-themes": "plymouth-themes",
         "ranger-icons": "ranger-icons",
         "ranger-sixel": "ranger-sixel",
         "sea-orm-cli": "sea-orm-cli",

flake.nix

@@ -36,6 +36,9 @@
     nil-lsp.url = "github:oxalica/nil";
     nil-lsp.inputs.nixpkgs.follows = "nixpkgs-unstable";
 
+    plymouth-themes.url = "github:adi1090x/plymouth-themes";
+    plymouth-themes.flake = false;
+
     # my stuff
     dhist.url = "github:lelgenio/dhist";
   };

hosts/monolith.nix

@@ -29,7 +29,7 @@ in {
     fsType = "btrfs";
     options = [ "subvol=nixos" ];
   };
-  boot.initrd.luks.reusePassphrases = true;
+  # boot.initrd.luks.reusePassphrases = true;
   boot.initrd.luks.devices = {
     "main".device = "/dev/disk/by-label/CRYPT_ROOT";
     "data".device = "/dev/disk/by-label/CRYPT_DATA";

overlays/default.nix

@@ -9,6 +9,7 @@
       })
       (import ./sixel-patches.nix (inputs // { inherit pkgs; }))
       (final: prev: {
+        plymouth-theme-red = (import ./plymouth-theme-red.nix (inputs // { inherit pkgs; }));
         uservars = import ../user/variables.nix;
         dhist = inputs.dhist.packages.${system}.dhist;
         mpvpaper = inputs.wegank.packages.${prev.system}.mpvpaper;

overlays/plymouth-theme-red.nix

@@ -0,0 +1,25 @@
+inputs@{ pkgs, ... }:
+pkgs.stdenv.mkDerivation rec {
+  pname = "red-loader-plymouth";
+  version = "0.0.1";
+
+  src = inputs.plymouth-themes;
+
+  buildInputs = [
+    pkgs.git
+  ];
+
+  configurePhase = ''
+    mkdir -p $out/share/plymouth/themes/
+  '';
+
+  buildPhase = ''
+  '';
+
+  installPhase = ''
+    cp -r pack_4/red_loader $out/share/plymouth/themes
+    cat pack_4/red_loader/red_loader.plymouth | sed  "s@\/usr\/@$out\/@" > \
+      $out/share/plymouth/themes/red_loader/red_loader.plymouth
+  '';
+}
+

system/boot.nix

@@ -0,0 +1,42 @@
+{ config, pkgs, inputs, ... }: {
+  console = {
+    font = "ter-132n";
+    packages = [pkgs.terminus_font];
+    earlySetup = false;
+  };
+
+  boot = {
+    consoleLogLevel = 0;
+    initrd.verbose = false;
+    kernelParams = [
+      "quiet"
+      "splash"
+      "boot.shell_on_fail"
+      "loglevel=3"
+      "rd.systemd.show_status=false"
+      "rd.udev.log_level=3"
+      "udev.log_priority=3"
+    ];
+
+    initrd.systemd.enable = true;
+    loader = {
+      # It's still possible to open the bootloader list by pressing any key
+      # It will just not appear on screen unless a key is pressed
+      timeout = 0;
+      efi.canTouchEfiVariables = true;
+      efi.efiSysMountPoint = "/boot/efi";
+      systemd-boot = {
+        enable = true;
+        # editor = false;
+        # configurationLimit = 100;
+      };
+    };
+    plymouth = {
+      enable = true;
+      theme = "red_loader";
+      themePackages = [
+        pkgs.plymouth-theme-red
+      ];
+    };
+  };
+}

system/configuration.nix

@@ -2,14 +2,9 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 { config, pkgs, inputs, ... }: {
-  imports = [ ./gamemode.nix ./cachix.nix ./media-packages.nix ];
+  imports = [ ./gamemode.nix ./cachix.nix ./media-packages.nix ./boot.nix ];
   packages.media-packages.enable = true;
 
-  # Bootloader.
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-  boot.loader.efi.efiSysMountPoint = "/boot/efi";
-
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
   boot.kernel.sysctl = {