Add fancy plymouth theme

modules/base/default.nix

@@ -25,6 +25,11 @@ with lib; let
     inherit (pkgs.stdenv) mkDerivation;
     inherit lib;
   };
+
+  plymouth-nixos-blur = pkgs.callPackage ./plymouth-nixos-blur {
+    inherit (pkgs.stdenv) mkDerivation;
+    inherit lib;
+  };
 in
 {
   options.eboskma.base = {
@@ -58,7 +63,8 @@ in
 
     boot.plymouth = mkIf cfg.plymouth.enable {
       enable = true;
-      theme = "breeze";
+      themePackages = [ plymouth-nixos-blur ];
+      theme = "nixos-blur";
     };
 
     hardware.opengl.enable = true;

modules/base/plymouth-nixos-blur/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, ... }:
+let
+  pname = "plymouth-nixos-blur";
+  version = "0.1.0";
+in
+stdenv.mkDerivation {
+  inherit pname version;
+
+  src = ./.;
+
+  phases = [ "installPhase" ];
+
+  installPhase = ''
+    install -Dm 0644 *.png $out/share/plymouth/themes/nixos-blur/images/
+    install -Dm 0644 nixos-blur.script $out/share/plymouth/themes/nixos-blur/
+    install -Dm 0644 nixos-blur.plymouth $out/share/plymouth/themes/nixos-blur/
+    sed -i 's/@OUT@/${placeholder "out"}/' $out/share/plymouth/themes/nixos-blur/nixos-blur.plymouth
+  '';
+
+  meta = with lib; {
+    description = "Plymouth theme nixos-blur";
+    homepage = "https://git.gurkan.in/gurkan/nixos-blur-plymouth";
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = [{
+      email = "erwin@datarift.nl";
+      github = "eboskma";
+      name = "Erwin Boskma";
+    }];
+  };
+}

modules/base/plymouth-nixos-blur/nixos-blur.plymouth

@@ -0,0 +1,9 @@
+[Plymouth Theme]
+Name=nixos-blur
+Description=nixos logo blurring
+Comment=created By Gurkan (gurkan.in)
+ModuleName=script
+
+[script]
+ImageDir=@OUT@/plymouth/themes/nixos-blur/images
+ScriptFile=@OUT@/plymouth/themes/nixos-blur/nixos-blur.script

modules/base/plymouth-nixos-blur/nixos-blur.script

@@ -0,0 +1,103 @@
+// Screen size
+screen.w = Window.GetWidth();
+screen.h = Window.GetHeight();
+screen.half.w = Window.GetWidth() / 2;
+screen.half.h = Window.GetHeight() / 2;
+
+// Question prompt
+question = null;
+answer = null;
+
+// Message
+message = null;
+
+// Password prompt
+bullets = null;
+prompt = null;
+bullet.image = Image.Text("*", 1, 1, 1);
+
+// Flow
+state.status = "play";
+state.time = 0.0;
+
+//--------------------------------- Refresh (Logo animation) --------------------------
+
+# cycle through all images
+for (i = 0; i < 151; i++)
+  flyingman_image[i] = Image("progress-" + i + ".png");
+flyingman_sprite = Sprite();
+
+# set image position
+flyingman_sprite.SetX(Window.GetX() + (Window.GetWidth() / 2 - flyingman_image[0].GetWidth() / 2)); # Place images in the center
+flyingman_sprite.SetY(Window.GetY() + (Window.GetHeight() / 2 - flyingman_image[0].GetHeight() / 2));
+
+progress = 0;
+
+fun refresh_callback ()
+  {
+    flyingman_sprite.SetImage(flyingman_image[Math.Int(progress / 2) % 151]);
+    progress++;
+  }
+  
+Plymouth.SetRefreshFunction (refresh_callback);
+
+//------------------------------------- Password prompt -------------------------------
+fun DisplayQuestionCallback(prompt, entry) {
+    question = null;
+    answer = null;
+
+    if (entry == "")
+        entry = "<answer>";
+
+    question.image = Image.Text(prompt, 1, 1, 1);
+    question.sprite = Sprite(question.image);
+    question.sprite.SetX(screen.half.w - question.image.GetWidth() / 2);
+    question.sprite.SetY(screen.h - 4 * question.image.GetHeight());
+
+    answer.image = Image.Text(entry, 1, 1, 1);
+    answer.sprite = Sprite(answer.image);
+    answer.sprite.SetX(screen.half.w - answer.image.GetWidth() / 2);
+    answer.sprite.SetY(screen.h - 2 * answer.image.GetHeight());
+}
+Plymouth.SetDisplayQuestionFunction(DisplayQuestionCallback);
+
+//------------------------------------- Password prompt -------------------------------
+fun DisplayPasswordCallback(nil, bulletCount) {
+    state.status = "pause";
+    totalWidth = bulletCount * bullet.image.GetWidth();
+    startPos = screen.half.w - totalWidth / 2;
+
+    prompt.image = Image.Text("Enter Password", 1, 1, 1);
+    prompt.sprite = Sprite(prompt.image);
+    prompt.sprite.SetX(screen.half.w - prompt.image.GetWidth() / 2);
+    prompt.sprite.SetY(screen.h - 4 * prompt.image.GetHeight());
+
+    // Clear all bullets (user might hit backspace)
+    bullets = null;
+    for (i = 0; i < bulletCount; i++) {
+        bullets[i].sprite = Sprite(bullet.image);
+        bullets[i].sprite.SetX(startPos + i * bullet.image.GetWidth());
+        bullets[i].sprite.SetY(screen.h - 2 * bullet.image.GetHeight());
+    }
+}
+Plymouth.SetDisplayPasswordFunction(DisplayPasswordCallback);
+
+//--------------------------- Normal display (unset all text) ----------------------
+fun DisplayNormalCallback() {
+    state.status = "play";
+    bullets = null;
+    prompt = null;
+    message = null;
+    question = null;
+    answer = null;
+}
+Plymouth.SetDisplayNormalFunction(DisplayNormalCallback);
+
+//----------------------------------------- Message --------------------------------
+fun MessageCallback(text) {
+    message.image = Image.Text(text, 1, 1, 1);
+    message.sprite = Sprite(message.image);
+    message.sprite.SetPosition(screen.half.w - message.image.GetWidth() / 2, message.image.GetHeight());
+}
+Plymouth.SetMessageFunction(MessageCallback);
+