{ pkgs, stdenv, ... }:
stdenv.mkDerivation {
  pname = "sha0";
  version = "0.1.0";

  src = ./.;

  buildPhase = ''
    cc -O2 -o sha0 sha0.c main.c
  '';

  installPhase = ''
    mkdir -p $out/bin
    cp sha0 $out/bin/
  '';

  meta = with pkgs.lib; {
    description = "SHA-0 hashing CLI tool";
  };
}