flake.nix


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{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/release-25.05";
    utils.url = "github:numtide/flake-utils";
  };

  outputs = { utils, ... }@inputs: utils.lib.eachDefaultSystem (system: let
    pkgs = inputs.nixpkgs.legacyPackages.${system};

    fonts = pkgs.stdenv.mkDerivation {
      name = "caladea-woff2";
      src = pkgs.caladea;
      nativeBuildInputs = [ pkgs.woff2 ];
      buildPhase = ''
        pushd "share/fonts/truetype"

        for file in *.ttf; do
          woff2_compress "$file"
        done

        mkdir -p "$out"
        mv *.woff2 "$out"
      '';
    };

    site = pkgs.stdenv.mkDerivation {
      name = "site";
      src = ./.;
      nativeBuildInputs = [ pkgs.hugo ];
      buildPhase = ''
        runHook preBuild
        ln -sf "${fonts}" "static/fonts"
        hugo --destination "$out"
        runHook postBuild
      '';
    };

  in {
    inherit (inputs) self;
    devShells.default = pkgs.mkShell {
      packages = [ pkgs.hugo ];
    };

    packages.default = site;
  });
}