KeyTao/flake.nix at master · xkinput/KeyTao · GitHub

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{
  description = "KeyTao (星空键道6) - Rime input method schema";

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

  outputs =
    {
      self,
      nixpkgs,
      flake-utils,
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
      in
      {
        packages.default = pkgs.callPackage ./default.nix { };

        packages.rime-keytao = self.packages.${system}.default;
      }
    )
    // {
      # Overlay for easy integration
      overlays.default = final: prev: {
        rime-keytao = final.callPackage ./default.nix { };
      };

      # Home Manager module
      homeManagerModules.default =
        {
          config,
          lib,
          pkgs,
          ...
        }:
        with lib;
        let
          cfg = config.programs.rime-keytao;
          rime-keytao-pkg = pkgs.callPackage ./default.nix { };
        in
        {
          options.programs.rime-keytao = {
            enable = mkEnableOption "KeyTao (Rime Xingkong Jiandao) input method schema";

            package = mkOption {
              type = types.package;
              default = rime-keytao-pkg;
              description = "The rime-keytao package to use";
            };

            rimeDataDir = mkOption {
              type = types.str;
              default = if pkgs.stdenv.isDarwin then "Library/Rime" else ".local/share/fcitx5/rime";
              description = ''
                Rime user data directory relative to home.
                Default values:
                - Library/Rime (macOS Squirrel, automatically set)
                - .local/share/fcitx5/rime (Linux fcitx5-rime, automatically set)
                Other common values:
                - .config/ibus/rime (ibus-rime)
              '';
            };
          };

          config = mkIf cfg.enable {
            home.activation.installRimeKeytao = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
              $DRY_RUN_CMD mkdir -p "${config.home.homeDirectory}/${cfg.rimeDataDir}"

              # Sync schema/dict files from Nix store, overwriting stale files.
              # Exclude user-generated data that must never be overwritten.
              $DRY_RUN_CMD ${pkgs.rsync}/bin/rsync -av \
                --chmod=D0755,F0644 \
                --exclude='*.userdb/' \
                --exclude='user.yaml' \
                --exclude='installation.yaml' \
                --exclude='sync/' \
                "${cfg.package}/share/rime-data/" \
                "${config.home.homeDirectory}/${cfg.rimeDataDir}/"

              $VERBOSE_ECHO "KeyTao Rime schema files installed to ${cfg.rimeDataDir}"
            '';
          };
        };
    };
}