{ stdenv, fetchFromGitHub, fetchpatch, python, buildDocs ? true, asciidoc, docbook_xml_dtd_45, docbook_xsl, libxslt, re2c }:

with stdenv.lib;

stdenv.mkDerivation rec {
  pname = "ninja";
  version = "1.9.0";

  src = fetchFromGitHub {
    owner = "ninja-build";
    repo = "ninja";
    rev = "v${version}";
    sha256 = "1q0nld3g0d210zmdjyjzjz2xb2bw1s58gj6zsx7p8q30yh0wg610";
  };

  patches = [
    # Make builds reproducible by generating the same IDs from the same inputs.
    (fetchpatch {
      name = "consistent-doc-ids";
      url = "https://github.com/ninja-build/ninja/commit/9aa947471fcfc607bec6d92a1a6eed5c692edbaf.patch";
      sha256 = "0zsg46jflsh644jccrcgyfalr7fkzrv041kyi8644nyk923gcrl9";
    })
    # https://github.com/ninja-build/ninja/issues/1510 - fix w/musl, possibly BSDs?
    # 
    (fetchpatch {
      name = "fix-issue-1510.patch";
      url = https://github.com/makepost/ninja/commit/567815df38a2ff54ad7478a90bd75c91e434236a.patch;
      sha256 = "0zd0xyi7h2066nw1dsk76c7yf71b0f7v4p5nljda7jxi01vpdh69";
    })
  ];

  nativeBuildInputs = [ python re2c ] ++ optionals buildDocs [ asciidoc docbook_xml_dtd_45 docbook_xsl libxslt.bin ];

  buildPhase = ''
    python configure.py --bootstrap
  '' + optionalString buildDocs ''
    # "./ninja -vn manual" output copied here to support cross compilation.
    asciidoc -b docbook -d book -o build/manual.xml doc/manual.asciidoc
    xsltproc --nonet doc/docbook.xsl build/manual.xml > doc/manual.html
  '';

  installPhase = ''
    install -Dm555 -t $out/bin ninja
    install -Dm444 misc/bash-completion $out/share/bash-completion/completions/ninja
    install -Dm444 misc/zsh-completion $out/share/zsh/site-functions/_ninja
  '' + optionalString buildDocs ''
    install -Dm444 -t $out/share/doc/ninja doc/manual.asciidoc doc/manual.html
  '';

  setupHook = ./setup-hook.sh;

  meta = {
    description = "Small build system with a focus on speed";
    longDescription = ''
      Ninja is a small build system with a focus on speed. It differs from
      other build systems in two major respects: it is designed to have its
      input files generated by a higher-level build system, and it is designed
      to run builds as fast as possible.
    '';
    homepage = https://ninja-build.org/;
    license = licenses.asl20;
    platforms = platforms.unix;
    maintainers = with maintainers; [ thoughtpolice bjornfor orivej ];
  };
}