add grub theme to config

lambda/configuration.nix

@@ -54,8 +54,12 @@
     device = "nodev";
     efiSupport = true;
     enableCryptodisk = true;
-    theme = "/boot/grub/themes/sayonara";
+    theme = "/etc/grub-themes/sayonara";
   };
+  environment.etc = {
+    "grub-themes/sayonara".source = ../shared/sayonara;
+  };
+
   boot.loader.efi.efiSysMountPoint = "/boot/efi";
   boot.initrd = {
     availableKernelModules = [ "aesni_intel" "cryptd" ];

shared/sayonara/theme.txt

@@ -0,0 +1,38 @@
+title-text: ""
+desktop-image: "background.png"
+desktop-color: "#000000"
+terminal-left: "0"
+terminal-top: "0"
+terminal-width: "100%"
+terminal-height: "100%"
+terminal-border: "0"
+
++ boot_menu {
+  left = 40%
+  top = 20%
+  width = 40%
+  height = 50%
+  item_font = "Victor's Pixel Font Regular 32"
+  item_color = "#ffffff"
+  selected_item_color = "#CD5437"
+  item_spacing = 0
+  item_icon_space = 0
+}
+
++ progress_bar {
+        left = 40%
+        top = 82%
+        width = 250
+        height = 30
+        id = "__timeout__"
+        text = "booting in %d..."
+        border_color = "#CD5437"
+}
+
++ image {
+  top = 100%-50
+  left = 50%-240
+  width = 480
+  height = 42
+  file = "info.png"
+}