{ config, pkgs, ... }:

{
  nixpkgs.overlays = [
    (self: super: {
      darwin-zsh-completions = super.runCommandNoCC "darwin-zsh-completions-0.0.0"
        { preferLocalBuild = true; }
        ''
          mkdir -p $out/share/zsh/site-functions
          cat <<-'EOF' > $out/share/zsh/site-functions/_darwin-rebuild
          #compdef darwin-rebuild
          #autoload
          _nix-common-options
          local -a _1st_arguments
          _1st_arguments=(
            'switch:Build, activate, and update the current generation'\
            'build:Build without activating or updating the current generation'\
            'check:Build and run the activation sanity checks'\
            'changelog:Show most recent entries in the changelog'\
          )
          _arguments \
            '--list-generations[Print a list of all generations in the active profile]'\
            '--rollback[Roll back to the previous configuration]'\
            {--switch-generation,-G}'[Activate specified generation]'\
            '(--profile-name -p)'{--profile-name,-p}'[Profile to use to track current and previous system configurations]:Profile:_nix_profiles'\
            '1:: :->subcmds' && return 0
          case $state in
            subcmds)
              _describe -t commands 'darwin-rebuild subcommands' _1st_arguments
            ;;
          esac
          EOF
        '';
      })
  ];
  home.packages = with pkgs; [
      aspell
      aspellDicts.en
      darwin-zsh-completions
  ];

  programs.emacs.package = pkgs.unstable.emacsMacport;

  home.file.".hushlogin".text = "";

  programs.zsh.shellAliases = {
    da = "darwin-rebuild";
    das = "darwin-rebuild switch";

    drill = "dig";
  };

  programs.zsh.envExtra = ''
    SHELL_SESSIONS_DISABLE=1
  '';
  # Use GPG from  GPGTools
  programs.git.signing.gpgPath = "/usr/local/bin/gpg";
}