{
  haskellPackages,
  haskell,
  fetchFromGitea,
  installShellFiles,
}: let
  inherit (haskell.lib.compose) justStaticExecutables overrideCabal;

  drv =
    haskellPackages.callCabal2nix "hbrainfuck"
    (fetchFromGitea {
      domain = "git.confusedcompiler.org";
      owner = "leana8959";
      repo = "hbrainfuck";
      rev = "5eea5ff0d7efc0bd866a2273686032ba9cab5baa";
      hash = "sha256-/htXOULUJN8+PsAYaG281Ge/9ULZoWip63IUxuVbTSg=";
    })
    {};

  cabalOverrides = o: {
    buildTools = o.buildTools or [] ++ [installShellFiles];
    postInstall =
      o.postInstall or ""
      + ''
        installShellCompletion --cmd hbrainfuck \
        --bash <("$out/bin/hbf" --bash-completion-script "$out/bin/hbf") \
        --fish <("$out/bin/hbf" --fish-completion-script "$out/bin/hbf") \
        --zsh  <("$out/bin/hbf" --zsh-completion-script  "$out/bin/hbf")
      '';
  };
in
  justStaticExecutables
  (overrideCabal cabalOverrides drv)