{
  lib,
  pkgs,
  config,
  inputs,
  ...
}: let
  doomemacsSrc = builtins.fetchGit {
    url = "https://github.com/doomemacs/doomemacs";
    ref = "master";
    rev = "986398504d09e585c7d1a8d73a6394024fe6f164";
  };

  personalDoomConfSrc = builtins.fetchGit {
    url = "https://git.vlt81.de/tristan/doom";
    ref = "main";
    rev = "3973c2a97e549640f14ed073bbb8102ebd8a839b";
  };
in {
  xdg.enable = true;

  programs.alacritty = {
    enable = true;
    settings = {
      window.opacity = 0.88;
      window.dimensions = {
        lines = 40;
        columns = 150;
      };
    };
  };

  programs.fish = {
    enable = true;

    interactiveShellInit = ''
      any-nix-shell fish --info-right | source
      direnv hook fish | source
    '';
    loginShellInit = ''
      direnv hook fish | source
    '';

    functions = {
      ec = "emacsclient $argv";
      ecc = "emacsclient -c $argv";
      ecr = "emacsclient -r $argv";
      ecrr = "emacsclient -r $argv";
    };
  };

  programs.git = {
    enable = true;
    userName = "Tristan Druyen";
    userEmail = "tristan@vault81.de";
    aliases = {
      ci = "commit";
      co = "checkout";
      s = "status";
    };
    extraConfig = {
      user.signingkey = "/home/tristand/.ssh/id_ed25519";
      commit.gpgsign = true;
      gpg.format = "ssh";
    };
  };

  programs.nix-index = {
    enable = true;
    enableFishIntegration = true;
  };

  programs.ssh = {
    enable = true;

    matchBlocks = {
      "he3" = {
        host = "he3";
        hostname = "he3.vault81.de";
        user = "root";
        identityFile = "~/.ssh/id_hetz_ed25519";
      };
      "he2" = {
        host = "he2";
        hostname = "he2.vault81.de";
        user = "root";
        identityFile = "~/.ssh/id_v81_ed25519";
      };
      "desk-arch" = {
        host = "desk-arch";
        hostname = "tristan-desk-arch";
        user = "tristand";
        identityFile = "~/.ssh/id_v81_ed25519";
      };
    };
  };

  programs.gpg = {
    enable = true;
  };

  services.gpg-agent = {
    enable = true;

    enableExtraSocket = true;
    enableSshSupport = true;
  };

  services.lorri.enable = true;

  services.emacs = {
    enable = true;
    defaultEditor = true;
    package = pkgs.emacs-unstable-pgtk;
  };

  home = {
    activation.installDoomEmacs = lib.hm.dag.entryAfter ["writeBoundary"] ''
      mkdir ~/.config/emacs -p
      chmod u+rw -R ~/.config/emacs
      cp -r ${doomemacsSrc}/. "$HOME/.config/emacs"
      mkdir ~/.config/doom -p
      chmod u+rw -R ~/.config/doom
      cp -r ${personalDoomConfSrc}/. "$HOME/.config/doom"
    '';

    sessionVariables = {
      TERMINAL = "alacritty";
    };

    packages = with pkgs; [
      any-nix-shell
      atool
      aspell
      aspellDicts.en
      aspellDicts.en-computers
      aspellDicts.en-science
      aspellDicts.de
      binutils
      cmake
      direnv
      emacs-unstable-pgtk
      fd
      gnutls
      gnumake
      gcc
      git
      imagemagick
      libtool
      pandoc
      (lib.mkIf (config.services.gpg-agent.enable)
        pinentry_emacs)
      (ripgrep.override {withPCRE2 = true;})
      rnix-lsp
      shellcheck
      shfmt
      texlive.combined.scheme-full
      zstd
    ];
  };
}