Merge changes Ic2b78ba9,Ia13e63ed

* changes:
  Use '406 Not Acceptable' when info/refs is disabled
  Compress large /info/refs responses on HTTP

org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitFilter.java

@@ -225,7 +225,7 @@ public class GitFilter extends MetaFilter {
 			refs = refs.through(new AsIsFileFilter(asIs));
 			refs.with(new InfoRefsServlet());
 		} else
-			refs.with(new ErrorServlet(HttpServletResponse.SC_FORBIDDEN));
+			refs.with(new ErrorServlet(HttpServletResponse.SC_NOT_ACCEPTABLE));
 
 		if (asIs != AsIsFileService.DISABLED) {
 			final IsLocalFilter mustBeLocal = new IsLocalFilter();

org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/InfoRefsServlet.java

@@ -72,7 +72,8 @@ class InfoRefsServlet extends HttpServlet {
 
 		final Repository db = getRepository(req);
 		final OutputStreamWriter out = new OutputStreamWriter(
-				new SmartOutputStream(req, rsp), Constants.CHARSET);
+				new SmartOutputStream(req, rsp, true),
+				Constants.CHARSET);
 		final RefAdvertiser adv = new RefAdvertiser() {
 			@Override
 			protected void writeOne(final CharSequence line) throws IOException {

org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/ReceivePackServlet.java

@@ -171,7 +171,7 @@ class ReceivePackServlet extends HttpServlet {
 			return;
 		}
 
-		SmartOutputStream out = new SmartOutputStream(req, rsp) {
+		SmartOutputStream out = new SmartOutputStream(req, rsp, true) {
 			@Override
 			public void flush() throws IOException {
 				doFlush();

org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/SmartOutputStream.java

@@ -70,22 +70,29 @@ class SmartOutputStream extends TemporaryBuffer {
 	private static final int LIMIT = 32 * 1024;
 
 	private final HttpServletRequest req;
-
 	private final HttpServletResponse rsp;
-
+	private boolean compressStream;
 	private boolean startedOutput;
 
 	SmartOutputStream(final HttpServletRequest req,
-			final HttpServletResponse rsp) {
+			final HttpServletResponse rsp,
+			boolean compressStream) {
 		super(LIMIT);
 		this.req = req;
 		this.rsp = rsp;
+		this.compressStream = compressStream;
 	}
 
 	@Override
 	protected OutputStream overflow() throws IOException {
 		startedOutput = true;
-		return rsp.getOutputStream();
+
+		OutputStream out = rsp.getOutputStream();
+		if (compressStream && acceptsGzipEncoding(req)) {
+			rsp.setHeader(HDR_CONTENT_ENCODING, ENCODING_GZIP);
+			out = new GZIPOutputStream(out);
+		}
+		return out;
 	}
 
 	public void close() throws IOException {

org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/SmartServiceInfoRefs.java

@@ -122,7 +122,7 @@ abstract class SmartServiceInfoRefs implements Filter {
 			throws IOException {
 		final HttpServletRequest req = (HttpServletRequest) request;
 		final HttpServletResponse res = (HttpServletResponse) response;
-		final SmartOutputStream buf = new SmartOutputStream(req, res);
+		final SmartOutputStream buf = new SmartOutputStream(req, res, true);
 		try {
 			res.setContentType(infoRefsResultType(svc));
 

org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/UploadPackServlet.java

@@ -172,7 +172,7 @@ class UploadPackServlet extends HttpServlet {
 			return;
 		}
 
-		SmartOutputStream out = new SmartOutputStream(req, rsp) {
+		SmartOutputStream out = new SmartOutputStream(req, rsp, false) {
 			@Override
 			public void flush() throws IOException {
 				doFlush();