{upkgs, ...}: {
  programs.zsh = {
    enable = true;
    enableCompletion = true;
    autosuggestion.enable = true;
    syntaxHighlighting.enable = true;

    plugins = [
      {
        name = "vi-mode";
        src = upkgs.zsh-vi-mode;
        file = "share/zsh-vi-mode/zsh-vi-mode.plugin.zsh";
      }
    ];

    initContent = ''
           # yazi wrapper!!!
           function yazi() {
      local tmp="$(mktemp -p "/run/user/$UID" -t "yazi-cwd.XXXXXX")" cwd
      command yazi "$@" --cwd-file="$tmp"
      IFS= read -r -d ''' cwd < "$tmp"
      [ -n "$cwd" ] && [ "$cwd" != "$PWD" ] && builtin cd -- "$cwd"
      rm -f -- "$tmp"
           }

           hyfetch # oh i'm so gay!! :3
    '';

    shellAliases = {
      # files and nav stuff
      ls = "eza";
      ll = "ls -la";
      lt = "ls --tree";
      llt = "ll --tree";

      y = "yazi";

      # cat with wings!!!
      cat = "bat";

      # init github keys
      # description: gi = github initialize
      sai = "eval \"$(ssh-agent -s)\"";
      gh-auv = "ssh-add ~/.ssh/github_auroraveon";
      cb-fox = "ssh-add ~/.ssh/codeberg_foxxyora";
      tf-fox = "ssh-add ~/.ssh/tearforge_foxora";

      # --------------------
      # shorthand nix command aliases

      # open nix develop with preferred shell
      # description: nd = nix develop
      nd = "nix develop -c $SHELL";

      # description: cdns = change directory [to] nix settings
      cdns = "cd ~/.nix";
      # cd to /etc/nixos and edit nix config
      # description: ns = nix settings
      ns = "cdns && $EDITOR";

      # NOTE: commands need --accept-flake-config as Cerulean uses
      # experimental features
      # description: nrs = nix rebuild switch
      switch = "cdns && nh os switch ~/.nix --accept-flake-config";
      # upgrades the system
      upgrade = "cdns && nix flake update && nh os switch ./ --accept-flake-config";

      # kitty's ssh command (to fix xterm and other stuff qwq)
      kssh = "kitty +kitten ssh";

      # pipes are prettyyyy!!!! :3333
      pipes1 = "pipes.sh -r 1024 -p 8 -f 30";
      pipes2 = "pipes.sh -r 4096 -p 16 -f 100";
    };

    history = {
      size = 16384;
    };
  };

  programs.zsh.oh-my-zsh = {
    enable = true;
    theme = "agnoster";
  };
}