public int runDirectorToInstall(
     String message, File installFolder, String sourceRepo, String iuToInstall) {
   String[] command =
       new String[] { //
         "-application",
         "org.eclipse.equinox.p2.director", //
         "-repository",
         sourceRepo,
         "-installIU",
         iuToInstall, //
         "-destination",
         installFolder.getAbsolutePath(), //
         "-bundlepool",
         installFolder.getAbsolutePath(), //
         "-roaming",
         "-profile",
         "PlatformProfile",
         "-profileProperties",
         "org.eclipse.update.install.features=true", //
         "-p2.os",
         Platform.getOS(),
         "-p2.ws",
         Platform.getWS(),
         "-p2.arch",
         Platform.getOSArch()
       };
   return runEclipse(message, command);
 }
 protected static String getExeFolder() {
   String eclipseFolder = "eclipse/";
   if (Platform.getWS().equals(Platform.WS_COCOA)) eclipseFolder = "Eclipse.app/Contents/MacOS/";
   return eclipseFolder;
 }
  /*
   * Return a file handle pointing to the platform binary zip. Method never returns null because
   * it will fail an assert before that.
   */
  private File getPlatformZip() {
    String property = null;
    File file = null;
    if (propertyToPlatformArchive != null) {
      property = getValueFor(propertyToPlatformArchive);
      String message =
          "Need to set the "
              + "\""
              + propertyToPlatformArchive
              + "\" system property with a valid path to the platform binary drop or copy the archive to be a sibling of the install folder.";
      if (property == null) {
        fail(message);
      }
      file = new File(property);
      assertNotNull(message, file);
      assertTrue(message, file.exists());
      assertTrue("File is zero length: " + file.getAbsolutePath(), file.length() > 0);
      return file;
    }

    property = getValueFor("org.eclipse.equinox.p2.reconciler.tests.platform.archive");
    if (property == null) {
      // the releng test framework copies the zip so let's look for it...
      // it will be a sibling of the eclipse/ folder that we are running
      File installLocation = getInstallLocation();
      if (Platform.getWS().equals(Platform.WS_COCOA))
        installLocation = installLocation.getParentFile().getParentFile();

      if (installLocation != null) {
        // parent will be "eclipse" and the parent's parent will be "eclipse-testing"
        File parent = installLocation.getParentFile();
        if (parent != null) {
          parent = parent.getParentFile();
          if (parent != null) {
            File[] children =
                parent.listFiles(
                    new FileFilter() {
                      public boolean accept(File pathname) {
                        String name = pathname.getName();
                        return name.startsWith("eclipse-platform-");
                      }
                    });
            if (children != null && children.length == 1) file = children[0];
          }
        }
      }
    } else {
      file = new File(property);
    }
    StringBuffer detailedMessage = new StringBuffer(600);
    detailedMessage
        .append(" propertyToPlatformArchive was ")
        .append(propertyToPlatformArchive == null ? " not set " : propertyToPlatformArchive)
        .append('\n');
    detailedMessage
        .append(" org.eclipse.equinox.p2.reconciler.tests.platform.archive was ")
        .append(property == null ? " not set " : property)
        .append('\n');
    detailedMessage.append(" install location is ").append(getInstallLocation()).append('\n');
    String message =
        "Need to set the \"org.eclipse.equinox.p2.reconciler.tests.platform.archive\" system property with a valid path to the platform binary drop or copy the archive to be a sibling of the install folder.";
    assertNotNull(message + "\n" + detailedMessage, file);
    assertTrue(message, file.exists());
    assertTrue("File is zero length: " + file.getAbsolutePath(), file.length() > 0);
    return file;
  }