{ pkgs, ... }: {
  programs.fish = {
    enable = true;

    functions = { setpath = "test -e $argv[1]; and fish_add_path $argv[1]"; };

    interactiveShellInit = ''
      if test -z "$XDG_RUNTIME_DIR"
        set -x XDG_RUNTIME_DIR "/tmp/$USER-runtime-dir"
        if test ! -e "$XDG_RUNTIME_DIR"
          mkdir "$XDG_RUNTIME_DIR"
          chmod 0700 "$XDG_RUNTIME_DIR"
        end
      end

      setpath /opt/local/bin
      setpath /opt/homebrew/bin
      setpath ~/.cargo/bin
      setpath ~/.ghcup/bin
      setpath ~/.cabal/bin
      setpath ~/.local/bin
      setpath ~/.bun/bin
      setpath ~/Projects/Checkouts/arcanist/bin

      set -x EDITOR hx
      set -x USER lu
      set -x SHELL (which fish)
      set -x TERM xterm-256color
    '';

    shellAliases = {
      # General aliases
      c = "clear";
      ll = "ls -lahF --color=always";
      e = "$EDITOR";
      se = "sudoedit";
      "cd.." = "cd ../";
      rmrf = "rm -rf";

      # overrides of defaults
      mkdir = "mkdir -p";
      cp = "cp -r";
      scp = "scp -r";
      apt = "sudo apt";
      docker = "sudo docker";
      sctl = "sudo systemctl";
      usctl = "systemctl --user";
      doco = "sudo docker-compose";

      # z is a weird key to hit frequently, j is much better
      j = "z";

      # cargoes and rust-s
      cg = "cargo";
      cr = "cargo run";
      cb = "cargo build";
      ct = "cargo test";
      cwr = "cargo watch -x run";

      # rubies
      be = "bundle exec";

      # cd into a temp directory, very useful!
      mkt = "cd (mktemp -d)";

      # tmux aliases
      tx = "tmux";
      txls = "tmux list-sessions";
      txa = "tmux attach";

      # git aliases
      lg = "lazygit";
      g = "git";
      ga = "git add";
      gs = "git status --short";
      gl = "git log --color --graph --abbrev-commit --oneline";
      gqp = "git add --all; and git commit; and git push";
      gqc = "git add --all; and git commit";
      gpl = "git pull";
      gps = "git push";
      gc = "git commit";
      gb = "git branch";
      gaa = "git add --all";
      gco = "git checkout";
      editorigin = "git remote set-url origin";

      # jj aliases
      jst = "jj st";
      jd = "jj describe";
      jl = "jj log";
      jprev = "jj edit @-";
      jnext = "jj edit @+";
      jbm = "jj branch move";
      jgp = "jj git push";
      jdiff = "jj diff";
      jnew = "jj new";

      # nix aliases
      n = "nix";
      nd = "nix develop";
      ns = "nix shell";
      np = "nix profile";
      ngc = "nh clean all --keep 3";
      rebuild = "nh os switch";
    };

    plugins = [
      {
        name = "done";
        src = pkgs.fishPlugins.done.src;
      }
      {
        name = "pisces";
        src = pkgs.fishPlugins.pisces.src;
      }
      {
        name = "plugin-foreign-env";
        src = pkgs.fetchFromGitHub {
          owner = "oh-my-fish";
          repo = "plugin-foreign-env";
          rev = "7f0cf099ae1e1e4ab38f46350ed6757d54471de7";
          sha256 = "0d16mdgjdwln41zk44qa5vcilmlia4w15r8z2rc3p49i5ankksg3";
        };
      }
    ];
  };

  programs.starship = {
    enable = true;
    enableFishIntegration = true;
    settings = {
      character = {
        success_symbol = "[~](green)";
        error_symbol = "[~](red)";
      };
    };
  };

  programs.zoxide = {
    enable = true;
    enableFishIntegration = true;
  };
}