elie/grub2-themes
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Allow for more granular control of theme.txt and update depricated way of reffering to modules

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dylan madisetti 2022-11-18 12:35:17 -05:00
parent c106dfb9b5
commit 7e8a1ea758
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GPG Key ID: 9080F46A6E933A9D
1 changed files with 58 additions and 14 deletions
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54
flake.nix
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@ -14,10 +14,12 @@
in
with nixpkgs.lib;
rec {
nixosModule = { config, ... }:
nixosModules.default = { config, ... }:
let
cfg = config.boot.loader.grub2-theme;
splashImage = if cfg.splashImage == null then "" else cfg.splashImage;
hasBootMenuConfig = cfg.bootMenuConfig != null;
hasTerminalConfig = cfg.terminalConfig != null;
resolutions = {
"1080p" = "1920x1080";
"ultrawide" = "2560x1080";
@ -37,11 +39,30 @@
--icon ${cfg.icon};
if [ -n "${splashImage}" ]; then
cp ${splashImage} $out/grub/themes/${cfg.theme}/background.jpg;
filename=$(basename -- "${splashImage}")
extension="''${filename##*.}"
rm $out/grub/themes/${cfg.theme}/background.jpg;
cp ${splashImage} $out/grub/themes/${cfg.theme}/background.$extension;
cp ${splashImage} $out/grub/themes/${cfg.theme}/background;
sed -i "s/background.jpg/background.$extension/g" $out/grub/themes/${cfg.theme}/theme.txt;
fi;
if [ ${pkgs.lib.trivial.boolToString cfg.footer} == "false" ]; then
sed -i ':again;$!N;$!b again; s/\+ image {[^}]*}//g' $out/grub/themes/${cfg.theme}/theme.txt;
fi;
if [ ${pkgs.lib.trivial.boolToString hasBootMenuConfig} == "true" ]; then
sed -i ':again;$!N;$!b again; s/\+ boot_menu {[^}]*}//g' $out/grub/themes/${cfg.theme}/theme.txt;
cat << EOF >> $out/grub/themes/${cfg.theme}/theme.txt
+ boot_menu {
${if cfg.bootMenuConfig == null then "" else cfg.bootMenuConfig}
}
EOF
fi;
if [ ${pkgs.lib.trivial.boolToString hasTerminalConfig} == "true" ]; then
sed -i 's/^terminal-.*$//g' $out/grub/themes/${cfg.theme}/theme.txt
cat << EOF >> $out/grub/themes/${cfg.theme}/theme.txt
${if cfg.terminalConfig == null then "" else cfg.terminalConfig}
EOF
fi;
'';
};
resolution = resolutions."${cfg.screen}";
@ -86,7 +107,25 @@
example = "/my/path/background.jpg";
type = types.nullOr types.path;
description = ''
The path of the image to use for background (must be jpg).
The path of the image to use for background (must be jpg or png).
'';
};
bootMenuConfig = mkOption {
default = null;
example = "left = 30%";
type = types.nullOr types.string;
description = ''
Grub theme definition for boot_menu.
Refer to config/theme-*.txt for reference.
'';
};
terminalConfig = mkOption {
default = null;
example = "terminal-font: \"Terminus Regular 18\"";
type = types.nullOr types.string;
description = ''
Replaces grub theme definition for terminial-*.
Refer to config/theme-*.txt for reference.
'';
};
footer = mkOption {
@ -103,9 +142,14 @@
environment.systemPackages = [
grub2-theme
];
boot.loader.grub = {
boot.loader.grub =
let
ext = if cfg.splashImage == null then "jpg" else last (splitString "." cfg.splashImage);
in
{
theme = "${grub2-theme}/grub/themes/${cfg.theme}";
splashImage = "${grub2-theme}/grub/themes/${cfg.theme}/background.jpg";
splashImage =
"${grub2-theme}/grub/themes/${cfg.theme}/background.${ext}";
gfxmodeEfi = "${resolution},auto";
gfxmodeBios = "${resolution},auto";
extraConfig = ''