doclifter: modernize (#338036)

{ lib, stdenv, fetchurl, python3, makeWrapper, libxml2 }:

{

  fetchurl,

  lib,

  libxml2,

  makeWrapper,

  python3,

  stdenv,

}:

stdenv.mkDerivation rec {

stdenv.mkDerivation (finalAttrs: {

  pname = "doclifter";

  version = "2.21";

  src = fetchurl {

    url = "http://www.catb.org/~esr/${pname}/${pname}-${version}.tar.gz";

    sha256 = "sha256-3zb+H/rRmU87LWh0+kQtiRMZ4JwJ3tVrt8vQ/EeKx8Q=";

    url = "http://www.catb.org/~esr/doclifter/doclifter-${finalAttrs.version}.tar.gz";

    hash = "sha256-3zb+H/rRmU87LWh0+kQtiRMZ4JwJ3tVrt8vQ/EeKx8Q=";

  };

  postPatch = ''

    substituteInPlace manlifter \

      --replace-fail '/usr/bin/env python2' '/usr/bin/env python3'

    2to3 -w manlifter

  '';

  nativeBuildInputs = [

    python3

    makeWrapper

  ];

  buildInputs = [ python3 ];

  nativeBuildInputs = [ python3 makeWrapper ];

  strictDeps = true;

  preInstall = ''

    mkdir -p $out/bin

    mkdir -p $out/share/man/man1

    substituteInPlace manlifter \

      --replace '/usr/bin/env python2' '/usr/bin/env python3'

    2to3 -w manlifter

    cp manlifter $out/bin

    wrapProgram "$out/bin/manlifter" \

        --prefix PATH : "${libxml2}/bin:$out/bin"

    cp manlifter.1 $out/share/man/man1

        --prefix PATH : "${lib.getBin libxml2}/bin:$out/bin"

    gzip < manlifter.1 > $out/share/man/man1/manlifter.1.gz

  '';

  meta = {

    changelog = "https://gitlab.com/esr/doclifter/-/blob/2.21/NEWS";

    description = "Lift documents in nroff markups to XML-DocBook";

    homepage = "http://www.catb.org/esr/doclifter";

    license = "BSD";

    license = lib.licenses.bsd2;

    mainProgram = "doclifter";

    platforms = lib.platforms.unix;

  };

}

})