Merge pull request #223061 from e1mo/ack-v3-7-0

  ack = buildPerlPackage rec {

    pname = "ack";

    version = "3.6.0";

    version = "3.7.0";

    src = fetchurl {

      url = "mirror://cpan/authors/id/P/PE/PETDANCE/ack-v${version}.tar.gz";

      hash = "sha256-AxRNEHBknpL2obfSC9xTXiuxrCWNqr5ILpqoJ3tI8AU=";

      hash = "sha256-6nyqFPdX3ggzEO0suimGYd3Mpd7gbsjxgEPqYlp53yA=";

    };

    outputs = ["out" "man"];