# Based on https://github.com/atomicptr/nix/blob/master/pkgs/crab/default.nix
# Fixed: removed deprecated `system = system` from mkDerivation
{
  lib,
  fetchurl,
  installShellFiles,
  stdenvNoCC,
}:
let
  shaMap = {
    x86_64-linux = "18c2mxaf0f01c1905c7ppnq9cq07qr4nn5al9zn9idhzk9b8mf9q";
    x86_64-darwin = "10w9xv7z8fw4628pwnw9dj2n3wf3g0lgfcpy3k2f3v6fhv30abwm";
  };
  urlMap = {
    x86_64-linux = "https://github.com/atomicptr/crab/releases/download/v1.4.4/crab_1.4.4_linux_amd64.tar.gz";
    x86_64-darwin = "https://github.com/atomicptr/crab/releases/download/v1.4.4/crab_1.4.4_darwin_amd64.tar.gz";
  };
  system = stdenvNoCC.hostPlatform.system;
in
stdenvNoCC.mkDerivation {
  pname = "crab";
  version = "1.4.4";
  src = fetchurl {
    url = urlMap.${system};
    sha256 = shaMap.${system};
  };
  sourceRoot = ".";
  nativeBuildInputs = [ installShellFiles ];
  installPhase = ''
    mkdir -p $out/bin
    cp -vr ./crab $out/bin/crab
  '';
  meta = {
    description = "A versatile tool to crawl dozens of URLs from a given source, like a sitemap or an URL list.";
    homepage = "https://github.com/atomicptr/crab";
    license = lib.licenses.mit;
    sourceProvenance = [ lib.sourceTypes.binaryNativeCode ];
    platforms = [
      "x86_64-darwin"
      "x86_64-linux"
    ];
  };
}