chawan: 0.2.2 -> 0.3.0 (#464253)

Add the -m option to man's command line to augment the list of paths searched by man.

The required -m option is only available in the mandoc implementation.

--- a/adapter/protocol/man.nim

+++ b/adapter/protocol/man.nim

@@ -264,7 +264,7 @@ proc myOpen(cmd: string): tuple[ofile, efile: File] =

 proc doMan(man, keyword, section: string) =

   let sectionOpt = if section == "": "" else: ' ' & quoteShellPosix(section)

   let cmd = "MANCOLOR=1 GROFF_NO_SGR=1 MAN_KEEP_FORMATTING=1 " &

-    man & sectionOpt & ' ' & quoteShellPosix(keyword)

+    man & sectionOpt & " -m @out@ " & quoteShellPosix(keyword)

   let (ofile, efile) = myOpen(cmd)

   if ofile == nil:

  stdenv,

  fetchFromSourcehut,

  makeBinaryWrapper,

  curlMinimal,

  mandoc,

  ncurses,

  openssl,

  libssh2,

  nim,

  pandoc,

  pkg-config,

  brotli,

  zlib,

  gitUpdater,

  versionCheckHook,

}:

stdenv.mkDerivation (finalAttrs: {

  pname = "chawan";

  version = "0.2.2";

  version = "0.3.0";

  src = fetchFromSourcehut {

    owner = "~bptato";

    repo = "chawan";

    rev = "v${finalAttrs.version}";

    hash = "sha256-pUwwqFvTtLAGFQG62W90hEH+yPN+ifa5BDRYNh/Jupg=";

    tag = "v${finalAttrs.version}";

    hash = "sha256-y1z1MlwbKGpvtgt4OZtfvxvsOSE6RhnsWUeaRvu7etU=";

  };

  patches = [ ./mancha-augment-path.diff ];

  # Include chawan's man pages in mancha's search path

  postPatch = ''

    # As we need the $out reference, we can't use `replaceVars` here.

    substituteInPlace adapter/protocol/man.nim \

      --replace-fail '@out@' "$out"

  '';

  env.NIX_CFLAGS_COMPILE = toString (

    lib.optional stdenv.cc.isClang "-Wno-error=implicit-function-declaration"

  );

  nativeBuildInputs = [

    makeBinaryWrapper

    nim

    pandoc

    pkg-config

    brotli

  ];

  buildInputs = [

    curlMinimal

    ncurses

    zlib

    openssl

    libssh2

  ];

  buildFlags = [

    "all"

    "manpage"

  ];

  installFlags = [

    "DESTDIR=$(out)"

  postInstall =

    let

      makeWrapperArgs = ''

        --set MANCHA_CHA $out/bin/cha \

        --set MANCHA_MAN ${mandoc}/bin/man

        --set MANCHA_CHA $out/bin/cha

      '';

    in

    ''

      wrapProgram $out/bin/cha ${makeWrapperArgs}

      wrapProgram $out/bin/mancha ${makeWrapperArgs}

    '';