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path: root/srcds-pkgs/build-sm-plugin.nix
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/* there is a lot of hideous directory-shuffling bureaucracy here. it
 * encompasses all that has been found necessary out in the wild. sourcemod
 * plugins following a sane standard project structure is a fairly recent
 * development.
 */
{ lib, stdenvNoCC, sourcemod }:
{ scriptingPath ? "scripting"
, includePath ? "scripting/include"
, pluginsPath ? "plugins"
, translationsPath ? "translations"
, gamedataPath ? "gamedata"
, removePrebuilt ? true
, nativeBuildInputs ? []
, ...
}@args:
let
  inherit (lib) hasSuffix;
in
assert !hasSuffix "/" scriptingPath;
assert !hasSuffix "/" includePath;
assert !hasSuffix "/" pluginsPath;
assert !hasSuffix "/" translationsPath;
assert !hasSuffix "/" gamedataPath;
stdenvNoCC.mkDerivation ({
  inherit
    scriptingPath includePath pluginsPath translationsPath gamedataPath
    removePrebuilt;
  configurePhase = ''
    runHook preConfigure
    source <(for d in scripting include plugins translations gamedata; do
      echo "''${d}Path=$PWD/"\$"''${d}Path"
    done)
    cd /build
    for p in scripting plugins translations gamedata; do
      path="$(eval echo \$"''${p}Path")"
      [ -d "$path" ] && cp -rT "$path" ./"$p"
    done
    case "$includePath" in
      "$scriptingPath/include") :;;
      "$scriptingPath"/*) echo TODO; exit 1;;
      *) cp -r "$includePath" ./scripting/include;;
    esac
    [ -n "''${removePrebuilt:-}" ] && rm -f plugins/*.smx;
    mkdir -p scripting/include plugins/disabled translations gamedata
    runHook postConfigure
  '';

  buildPhase = ''
    runHook preBuild
    cd /build/scripting
    [ -d ./include ] && SPCOMPFLAGS="$SPCOMPFLAGS -i ./include"
    for plug in *.sp; do
      spcomp -o "../plugins/disabled/''${plug%.sp}.smx" "$plug"
    done
    runHook postBuild
  '';

  installPhase = ''
    runHook preInstall
    cd /build
    find . -type d -empty -delete
    odir=$out/share/addons/sourcemod
    mkdir -p $odir
    for d in scripting plugins translation gamedata; do
      [ -d $d ] && cp -r $d $odir/$d
    done
    runHook postInstall
  '';
} // args // {
  nativeBuildInputs = nativeBuildInputs ++ [ sourcemod ];
})