Merge branch 'pr-120-amend'

Author: code-disaster

src/main/java/com/badlogicgames/packr/Packr.java

@@ -65,9 +65,8 @@ private void cleanOrCreateOutputFolder(PackrOutput output) throws IOException {
 		if (folder.exists()) {
 			System.out.println("Cleaning output directory '" + folder.getAbsolutePath() + "' ...");
 			PackrFileUtils.deleteDirectory(folder);
-		} else {
-			PackrFileUtils.mkdirs(folder);
 		}
+		PackrFileUtils.mkdirs(folder);
 	}
 
 	private PackrOutput buildMacBundle(PackrOutput output) throws IOException {
@@ -237,6 +236,9 @@ private void copyAndMinimizeJRE(PackrOutput output, PackrConfig config) throws I
 			// unpack JDK zip (or copy if it's a folder)
 			System.out.println("Unpacking JRE ...");
 			File tmp = new File(jreStoragePath, "tmp");
+			if (tmp.exists()) {
+				PackrFileUtils.deleteDirectory(tmp);
+			}
 			PackrFileUtils.mkdirs(tmp);
 
 			if (jdkFile.isDirectory()) {

src/main/java/com/badlogicgames/packr/PackrFileUtils.java

@@ -48,13 +48,13 @@ static void delete(File path) throws IOException {
 
 	/**
 	 * Copies directories, preserving file attributes.
-	 *
+	 * <p>
 	 * The {@link org.zeroturnaround.zip.commons.FileUtilsV2_2#copyDirectory(File, File)} function does not
 	 * preserve file attributes.
 	 */
 	static void copyDirectory(File sourceDirectory, File targetDirectory) throws IOException {
 
-		final Path sourcePath = Paths.get(sourceDirectory.toURI());
+		final Path sourcePath = Paths.get(sourceDirectory.toURI()).toRealPath();
 		final Path targetPath = Paths.get(targetDirectory.toURI());
 
 		Files.walkFileTree(sourcePath, new SimpleFileVisitor<Path>() {