119 lines
3.8 KiB
Nix
119 lines
3.8 KiB
Nix
{
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description = "Flake to manage grub2 themes from vinceliuice";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/master";
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};
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outputs = { self, nixpkgs }:
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let
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system = "x86_64-linux";
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pkgs = import nixpkgs {
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inherit system;
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};
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in
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with nixpkgs.lib;
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rec {
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nixosModule = { config, ... }:
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let
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cfg = config.boot.loader.grub2-theme;
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resolutions = {
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"1080p" = "1920x1080";
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"ultrawide" = "2560x1080";
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"2k" = "2560x1440";
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"4k" = "3840x2160";
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"ultrawide2k" = "3440x1440";
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};
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grub2-theme = pkgs.stdenv.mkDerivation {
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name = "grub2-theme";
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src = "${self}";
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installPhase = ''
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mkdir -p $out/grub/themes;
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bash ./install.sh \
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--generate $out/grub/themes \
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--screen ${cfg.screen} \
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--theme ${cfg.theme} \
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--icon ${cfg.icon};
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if [ -f ${cfg.splashImage} ]; then
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cp ${cfg.splashImage} $out/grub/themes/${cfg.theme}/background.jpg;
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fi;
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if [ ${pkgs.lib.trivial.boolToString cfg.footer} == "false" ]; then
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sed -i ':again;$!N;$!b again; s/\+ image {[^}]*}//g' $out/grub/themes/${cfg.theme}/theme.txt;
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fi;
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'';
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};
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resolution = resolutions."${cfg.screen}";
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in
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rec {
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options = {
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boot.loader.grub2-theme = {
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enable = mkOption {
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default = true;
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example = true;
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type = types.bool;
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description = ''
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Enable grub2 theming
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'';
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};
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theme = mkOption {
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default = "tela";
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example = "tela";
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type = types.enum [ "tela" "vimix" "stylish" "whitesur" ];
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description = ''
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The theme to use for grub2.
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'';
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};
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icon = mkOption {
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default = "white";
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example = "white";
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type = types.enum [ "color" "white" "whitesur" ];
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description = ''
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The icon to use for grub2.
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'';
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};
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screen = mkOption {
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default = "1080p";
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example = "1080p";
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type = types.enum [ "1080p" "2k" "4k" "ultrawide" "ultrawide2k" ];
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description = ''
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The screen resolution to use for grub2.
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'';
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};
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splashImage = mkOption {
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default = "";
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example = "/my/path/background.jpg";
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type = types.path;
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description = ''
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The path of the image to use for background (must be jpg).
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'';
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};
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footer = mkOption {
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default = true;
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example = true;
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type = types.bool;
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description = ''
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Whether to include the image footer.
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'';
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};
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};
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};
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config = mkIf cfg.enable (mkMerge [{
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environment.systemPackages = [
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grub2-theme
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];
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boot.loader.grub = {
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theme = "${grub2-theme}/grub/themes/${cfg.theme}";
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splashImage = "${grub2-theme}/grub/themes/${cfg.theme}/background.jpg";
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gfxmodeEfi = "${resolution},auto";
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gfxmodeBios = "${resolution},auto";
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extraConfig = ''
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insmod gfxterm
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insmod png
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set icondir=($root)/theme/icons
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'';
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};
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}]);
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};
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};
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}
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