{
  user ? throw "user argument is required",
  home ? throw "home argument is required",
}:
{ lib, inputs, ... }:
{
  home-manager.users.${user}.programs.zsh = {
    shellAliases.nd = "nix-develop";

    initExtra = let
      devShells = lib.strings.concatStringsSep " " (lib.attrsets.mapAttrsToList (key: _: key) inputs.self.devShells);
    in ''
      nix-develop() {
        if [ -z "$1" ]; then
          echo "Usage: nix-develop <shell>"
          return 1
        fi
        nix develop self#"$1" -c "$SHELL"
      }

      _nix-develop-completion() {
        local shells=(${devShells})
        compadd -- $shells
      }

      compdef _nix-develop-completion nix-develop
    '';
  };
}