{ lib, pkgs, variant, ... }:
{
  programs.fish = {
    enable = true;
    loginShellInit = ''
      set -gx fish_greeting
      '' +
      (if variant == "allegro" then ''
      source ${pkgs.nix}/etc/profile.d/nix.fish
      if test $(tty) = /dev/tty2
        nixGLIntel Hyprland
      end
    '' else "");

    interactiveShellInit = ''
      set -gx fish_greeting
      set -x DIRENV_LOG_FORMAT ""
      bind \ef forward-word
      bind \eF accept-autosuggestion
    '';

    functions = {
      # use "e" to open the text editor. if e job is paused, return to it
      e.body = ''
        jobs -c | grep $EDITOR \
        || $EDITOR $argv \
        && fg 2>/dev/null; commandline -f repaint 
      '';
      lfcd.body = ''
        set tmp (mktemp)
        # `command` is needed in case `lfcd` is aliased to `lf`
        command lf -last-dir-path=$tmp $argv
        if test -f "$tmp"
            set dir (cat $tmp)
            rm -f $tmp
            if test -d "$dir"
                if test "$dir" != (pwd)
                    cd $dir
                end
            end
        end
      '';
      fish_prompt.body = ''
        set -l last_pipestatus $pipestatus
        set -lx __fish_last_status $status # Export for __fish_print_pipestatus.
        set -l normal (set_color normal)
        set -q fish_color_status
        or set -g fish_color_status red

        # Color the prompt differently when we're root
        set -l color_cwd $fish_color_cwd
          set -l suffix '>'
          if functions -q fish_is_root_user; and fish_is_root_user
              if set -q fish_color_cwd_root
                  set color_cwd $fish_color_cwd_root
              end
              set suffix '#'
          end

        # Write pipestatus
        # If the status was carried over (if no command is issued or if `set` leaves the status untouched), don't bold it.
        set -l bold_flag --bold
          set -q __fish_prompt_status_generation; or set -g __fish_prompt_status_generation $status_generation
          if test $__fish_prompt_status_generation = $status_generation
              set bold_flag
          end
          set __fish_prompt_status_generation $status_generation
          set -l status_color (set_color $fish_color_status)
          set -l statusb_color (set_color $bold_flag $fish_color_status)
          set -l prompt_status (__fish_print_pipestatus "[" "]" "|" "$status_color" "$statusb_color" $last_pipestatus)

        # direnv status TODO fix this if condition
        # if which direnv >/dev/null
          set -l direnv_status (direnv status | grep -q "Found RC path" && echo " direnv")
        # end

        # echo -n -s (prompt_login)' ' (set_color $color_cwd) (prompt_pwd) $normal (fish_vcs_prompt) \
        echo -n -s (set_color $color_cwd) (prompt_pwd) $normal (fish_vcs_prompt) \
        (set_color -i yellow) $direnv_status $normal " "$prompt_status " "$suffix " "
      '';
      # run $argv when a file tracked by git is updated.
      gitentr.body = ''
        ${pkgs.git}/bin/git ls-tree -r HEAD --name-only | ${pkgs.entr}/bin/entr $argv
      '';
      ffsum.body = ''
        ${pkgs.ffmpeg}/bin/ffmpeg -hide_banner -v error $argv[..-2] -i $argv[-1] -map 0:v -f md5 -
      '';
    };

    shellAliases = {
      ls = "ls -hN --color=auto --group-directories-first";
      grep = "grep --color=auto";
      diff = "diff --color=auto";
      bt = "bluetuith";
      hm = "home-manager";
      hms = "home-manager switch";
      dev = "nix develop -c fish";
      gparted = "nix-shell -p pkgs.gparted --run 'sudo -E gparted'";
      ns = "nix-shell";
      nsp = "nix shell nixpkgs#";
      f = "lfcd";
      sxiv = "nsxiv";
      del = "trash -rf";
      rsyncp = "rsync --info=progress2 --no-inc-recursive";
      ffmpeg = "ffmpeg -hide_banner";
      ffprobe = "ffprobe -hide_banner";
      co = "git checkout";
      stash = "git stash";
      popstash = "git stash pop";
      pull = "git pull";
    };

    plugins = [
      {
        name = "fish-lf-icons";
        src = pkgs.fetchFromGitHub {
          owner = "joshmedeski";
          repo = "fish-lf-icons";
          rev = "d1c47b2088e0ffd95766b61d2455514274865b4f";
          sha256 = "sha256-6po/PYvq4t0K8Jq5/t5hXPLn80iyl3Ymx2Whme/20kc=";
        };
      }
    ];
  };
}