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alacritty: add theme option (#5238)

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Co-authored-by: r-vdp <ramses@well-founded.dev>
Co-authored-by: Sumner Evans <me@sumnerevans.com>
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nicoo 2025-04-02 00:18:23 +00:00 • committed by GitHub
parent e355ae93a3
commit 938e802b70
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39
modules/programs/alacritty.nix
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@ -9,6 +9,22 @@ in {
package = lib.mkPackageOption pkgs "alacritty" { };
theme = lib.mkOption {
type = with lib.types; nullOr str;
default = null;
example = "solarized_dark";
description = ''
A theme from the
[alacritty-theme](https://github.com/alacritty/alacritty-theme)
repository to import in the configuration.
See <https://github.com/alacritty/alacritty-theme/tree/master/themes>
for a list of available themes.
If you would like to import your own theme, use
{option}`programs.alacritty.settings.general.import` or
{option}`programs.alacritty.settings.colors` directly.
'';
};
settings = lib.mkOption {
type = tomlFormat.type;
default = { };
@ -40,8 +56,31 @@ in {
};
config = lib.mkIf cfg.enable {
assertions = [{
# If using the theme option, ensure that theme exists in the
# alacritty-theme package.
assertion = let
available = lib.pipe "${pkgs.alacritty-theme}/share/alacritty-theme" [
builtins.readDir
(lib.filterAttrs
(name: type: type == "regular" && lib.hasSuffix ".toml" name))
lib.attrNames
(lib.map (lib.removeSuffix ".toml"))
];
in cfg.theme == null || (builtins.elem cfg.theme available);
message = "The alacritty theme '${cfg.theme}' does not exist.";
}];
home.packages = [ cfg.package ];
programs.alacritty.settings = let
theme = "${pkgs.alacritty-theme}/share/alacritty-theme/${cfg.theme}.toml";
in lib.mkIf (cfg.theme != null) {
general.import =
lib.mkIf (lib.versionAtLeast cfg.package.version "0.14") [ theme ];
import = lib.mkIf (lib.versionOlder cfg.package.version "0.14") [ theme ];
};
xdg.configFile."alacritty/alacritty.toml" = lib.mkIf (cfg.settings != { }) {
source = (tomlFormat.generate "alacritty.toml" cfg.settings).overrideAttrs
(finalAttrs: prevAttrs: {