dot-nixos/home-modules/matugen.nix
Tim Peters d249a9dbb6 Gen 1
2024-03-05 22:05:40 +01:00

90 lines
2.3 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.programs.matugen;
sanitizedTemplates = builtins.mapAttrs (_: v: {
input_path = v.source;
output_path = builtins.replaceStrings ["$HOME"] ["~"] v.destination;
}) cfg.templates;
configFormat = pkgs.formats.toml {};
matugenConfig = configFormat.generate "matugen-config.toml" {
config = {};
templates = sanitizedTemplates;
};
themePackage = pkgs.runCommandLocal "matugen-themes-${cfg.variant}" {} ''
mkdir -p $out
cd $out
export HOME=$(pwd)
# Ok so the problem here is that /etc/ is not 'mounted' in the build environment.
# So yeah :D
${cfg.pkg}/bin/matugen \
image ${cfg.wallpaper} \
--config ${matugenConfig} \
--mode ${cfg.variant} \
--json hex \
--quiet \
> $out/theme.json
'';
colorsFile = builtins.fromJSON (builtins.readFile "${themePackage}/theme.json");
colors = colorsFile.colors.${cfg.variant};
in
{
options.programs.matugen = {
enable = lib.mkEnableOption "Matugen declarative theming";
wallpaper = lib.mkOption {
description = "Path to `wallpaper` that matugen will generate colors from";
type = lib.types.path;
};
variant = lib.mkOption {
description = "";
type = lib.types.enum [ "light" "dark" ];
default = "dark";
example = "light";
};
pkg = lib.mkPackageOption pkgs "matugen" {};
templates = lib.mkOption {
description = "Templates to generate output with.";
type = with lib.types;
attrsOf (submodule {
options = {
source = lib.mkOption {
type = path;
description = "Path to the source template";
example = "./gtk.css";
};
destination = lib.mkOption {
type = str;
description = "Destination path";
example = "gtk.css";
};
};
});
default = {};
};
theme.files = lib.mkOption {
description = "Generated theme files. Includes chosen variant only.";
type = lib.types.package;
readOnly = true;
default = themePackage;
};
theme.colors = lib.mkOption {
inherit (pkgs.formats.json {}) type;
description = "Generated theme colors";
readOnly = true;
default = colors;
};
};
}