!7

sS mainClassName = "StefansOS";
static S v = "x30";
static S sourceID = #1001638;
static S javaTarget = "1.8"; // compile JavaX for everyone
static S ecjSnippetID = #1400467;

static S compilerBotID = #1001155;
static int compressionLevel = 9; // Zip compression - highest level

p {
  File jarFile = javaxArtifactsDir("Stefans-OS.jar");

  S s = getServerTranspiled(sourceID);
  S libs = firstLine(s);
  s = dropFirstLine(s);
  
  S mainCode = getServerTranspiledWithoutLibs(#1016060);
  mainCode = jreplace(mainCode, "main.class", mainClassName + ".class");
  mainCode = jreplace(mainCode, "class main", "class " + mainClassName);

  s = moveImportsUp(s + "\n" + mainCode);

  s += x30_makeUtilsSource();
  L<S> tok = javaTok(s);
  javax_prepareX30SourceForDeployment(tok);
  jreplace(tok, "public class " + v, "class " + v);
  S src = join(tok);
  
  File javaFile = new File(programDir(), mainClassName + ".java");
  saveTextFile(javaFile, src);
  print("ok, made " + javaFile.getAbsolutePath());
  
  print("Now compiling.");
  S botQuestion = "Please compile this Java text: " + quote(src) + " for java version " + quote(javaTarget);
  print("Question to bot: " + shorten(botQuestion, 200));

  Class compilerBot = hotwire(compilerBotID);
  S answer = cast call(compilerBot, "answer", botQuestion);
  print("Bot said: " + answer);
  if (answer == null) fail();
  new Matches m;
  if (!match3("ok, *", answer, m))
    if (match3("Compile error", answer))
      fail("Compile Error.");
    else
      fail("I don't understand the bot, exiting");
    
  S classesDir = unquote(m.m[0]);
  print("I think the classes dir is: " + classesDir);
  if (!new File(classesDir).isDirectory()) fail("huh?");

  print("Now making jar.");
  File ecj = loadLibrary(ecjSnippetID);
  
  ZipOutputStream zout = new ZipOutputStream(new FileOutputStream(jarFile));
  zout.setLevel(compressionLevel);
  
  makeManifestWithMainClass(zout, mainClassName);
  dir2zip_recurse(new File(classesDir), zout);
  zip2zip_exceptManifest(ecj, zout);
  zout.close();
  makeExecutable(jarFile);

  print("ok, made " + jarFile.getAbsolutePath() + " (" + jarFile.length() + " bytes)");
}

Began life as a copy of #1001639