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-rw-r--r--org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HookMessageTest.java174
-rw-r--r--org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AbstractFetchCommand.java30
-rw-r--r--org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Push.java1
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseConnection.java37
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java2
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java30
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/Connection.java20
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchProcess.java7
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/OperationResult.java29
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/PushProcess.java25
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandInputStream.java28
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java139
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java79
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/util/io/MessageWriter.java115
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/util/io/StreamCopyThread.java128
15 files changed, 657 insertions, 187 deletions
diff --git a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HookMessageTest.java b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HookMessageTest.java
new file mode 100644
index 0000000000..224ea05c18
--- /dev/null
+++ b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HookMessageTest.java
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2010, Google Inc.
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.eclipse.jgit.http.test;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.eclipse.jetty.servlet.ServletContextHandler;
+import org.eclipse.jetty.servlet.ServletHolder;
+import org.eclipse.jgit.errors.RepositoryNotFoundException;
+import org.eclipse.jgit.http.server.GitServlet;
+import org.eclipse.jgit.http.server.resolver.DefaultReceivePackFactory;
+import org.eclipse.jgit.http.server.resolver.RepositoryResolver;
+import org.eclipse.jgit.http.server.resolver.ServiceNotAuthorizedException;
+import org.eclipse.jgit.http.server.resolver.ServiceNotEnabledException;
+import org.eclipse.jgit.http.test.util.AccessEvent;
+import org.eclipse.jgit.http.test.util.HttpTestCase;
+import org.eclipse.jgit.junit.TestRepository;
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.lib.NullProgressMonitor;
+import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.lib.RepositoryConfig;
+import org.eclipse.jgit.revwalk.RevBlob;
+import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.transport.PreReceiveHook;
+import org.eclipse.jgit.transport.PushResult;
+import org.eclipse.jgit.transport.ReceiveCommand;
+import org.eclipse.jgit.transport.ReceivePack;
+import org.eclipse.jgit.transport.RemoteRefUpdate;
+import org.eclipse.jgit.transport.Transport;
+import org.eclipse.jgit.transport.URIish;
+
+public class HookMessageTest extends HttpTestCase {
+ private Repository remoteRepository;
+
+ private URIish remoteURI;
+
+ protected void setUp() throws Exception {
+ super.setUp();
+
+ final TestRepository src = createTestRepository();
+ final String srcName = src.getRepository().getDirectory().getName();
+
+ ServletContextHandler app = server.addContext("/git");
+ GitServlet gs = new GitServlet();
+ gs.setRepositoryResolver(new RepositoryResolver() {
+ public Repository open(HttpServletRequest req, String name)
+ throws RepositoryNotFoundException,
+ ServiceNotEnabledException {
+ if (!name.equals(srcName))
+ throw new RepositoryNotFoundException(name);
+
+ final Repository db = src.getRepository();
+ db.incrementOpen();
+ return db;
+ }
+ });
+ gs.setReceivePackFactory(new DefaultReceivePackFactory() {
+ public ReceivePack create(HttpServletRequest req, Repository db)
+ throws ServiceNotEnabledException,
+ ServiceNotAuthorizedException {
+ ReceivePack recv = super.create(req, db);
+ recv.setPreReceiveHook(new PreReceiveHook() {
+ public void onPreReceive(ReceivePack rp,
+ Collection<ReceiveCommand> commands) {
+ rp.sendMessage("message line 1");
+ rp.sendError("no soup for you!");
+ rp.sendMessage("come back next year!");
+ }
+ });
+ return recv;
+ }
+
+ });
+ app.addServlet(new ServletHolder(gs), "/*");
+
+ server.setUp();
+
+ remoteRepository = src.getRepository();
+ remoteURI = toURIish(app, srcName);
+
+ RepositoryConfig cfg = remoteRepository.getConfig();
+ cfg.setBoolean("http", null, "receivepack", true);
+ cfg.save();
+ }
+
+ public void testPush_CreateBranch() throws Exception {
+ final TestRepository src = createTestRepository();
+ final RevBlob Q_txt = src.blob("new text");
+ final RevCommit Q = src.commit().add("Q", Q_txt).create();
+ final Repository db = src.getRepository();
+ final String dstName = Constants.R_HEADS + "new.branch";
+ Transport t;
+ PushResult result;
+
+ t = Transport.open(db, remoteURI);
+ try {
+ final String srcExpr = Q.name();
+ final boolean forceUpdate = false;
+ final String localName = null;
+ final ObjectId oldId = null;
+
+ RemoteRefUpdate update = new RemoteRefUpdate(src.getRepository(),
+ srcExpr, dstName, forceUpdate, localName, oldId);
+ result = t.push(NullProgressMonitor.INSTANCE, Collections
+ .singleton(update));
+ } finally {
+ t.close();
+ }
+
+ assertTrue(remoteRepository.hasObject(Q_txt));
+ assertNotNull("has " + dstName, remoteRepository.getRef(dstName));
+ assertEquals(Q, remoteRepository.getRef(dstName).getObjectId());
+ fsck(remoteRepository, Q);
+
+ List<AccessEvent> requests = getRequests();
+ assertEquals(2, requests.size());
+
+ AccessEvent service = requests.get(1);
+ assertEquals("POST", service.getMethod());
+ assertEquals(join(remoteURI, "git-receive-pack"), service.getPath());
+ assertEquals(200, service.getStatus());
+
+ assertEquals("message line 1\n" //
+ + "error: no soup for you!\n" //
+ + "come back next year!\n", //
+ result.getMessages());
+ }
+}
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AbstractFetchCommand.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AbstractFetchCommand.java
index f5e3c504c2..1e03567500 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AbstractFetchCommand.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AbstractFetchCommand.java
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2008, Charles O'Farrell <charleso@charleso.org>
- * Copyright (C) 2008-2009, Google Inc.
+ * Copyright (C) 2008-2010, Google Inc.
* Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* and other copyright owners as documented in the project's IP log.
@@ -79,6 +79,34 @@ abstract class AbstractFetchCommand extends TextBuiltin {
out.format(" %c %-17s %-10s -> %s", type, longType, src, dst);
out.println();
}
+
+ showRemoteMessages(r.getMessages());
+ }
+
+ static void showRemoteMessages(String pkt) {
+ while (0 < pkt.length()) {
+ final int lf = pkt.indexOf('\n');
+ final int cr = pkt.indexOf('\r');
+ final int s;
+ if (0 <= lf && 0 <= cr)
+ s = Math.min(lf, cr);
+ else if (0 <= lf)
+ s = lf;
+ else if (0 <= cr)
+ s = cr;
+ else {
+ System.err.println("remote: " + pkt);
+ break;
+ }
+
+ if (pkt.charAt(s) == '\r')
+ System.err.print("remote: " + pkt.substring(0, s) + "\r");
+ else
+ System.err.println("remote: " + pkt.substring(0, s));
+
+ pkt = pkt.substring(s + 1);
+ }
+ System.err.flush();
}
private String longTypeOf(final TrackingRefUpdate u) {
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Push.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Push.java
index 6248ec2991..2c02545639 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Push.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Push.java
@@ -162,6 +162,7 @@ class Push extends TextBuiltin {
printRefUpdateResult(uri, result, rru);
}
+ AbstractFetchCommand.showRemoteMessages(result.getMessages());
if (everythingUpToDate)
out.println("Everything up-to-date");
}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseConnection.java
index 14be1700c8..1339b86913 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseConnection.java
@@ -1,4 +1,5 @@
/*
+ * Copyright (C) 2010, Google Inc.
* Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
@@ -45,6 +46,8 @@
package org.eclipse.jgit.transport;
+import java.io.StringWriter;
+import java.io.Writer;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
@@ -58,12 +61,13 @@ import org.eclipse.jgit.lib.Ref;
* @see BasePackConnection
* @see BaseFetchConnection
*/
-abstract class BaseConnection implements Connection {
-
+public abstract class BaseConnection implements Connection {
private Map<String, Ref> advertisedRefs = Collections.emptyMap();
private boolean startedOperation;
+ private Writer messageWriter;
+
public Map<String, Ref> getRefsMap() {
return advertisedRefs;
}
@@ -76,6 +80,10 @@ abstract class BaseConnection implements Connection {
return advertisedRefs.get(name);
}
+ public String getMessages() {
+ return messageWriter != null ? messageWriter.toString() : "";
+ }
+
public abstract void close();
/**
@@ -106,4 +114,29 @@ abstract class BaseConnection implements Connection {
"Only one operation call per connection is supported.");
startedOperation = true;
}
+
+ /**
+ * Get the writer that buffers messages from the remote side.
+ *
+ * @return writer to store messages from the remote.
+ */
+ protected Writer getMessageWriter() {
+ if (messageWriter == null)
+ setMessageWriter(new StringWriter());
+ return messageWriter;
+ }
+
+ /**
+ * Set the writer that buffers messages from the remote side.
+ *
+ * @param writer
+ * the writer that messages will be delivered to. The writer's
+ * {@code toString()} method should be overridden to return the
+ * complete contents.
+ */
+ protected void setMessageWriter(Writer writer) {
+ if (messageWriter != null)
+ throw new IllegalStateException("Writer already initialized");
+ messageWriter = writer;
+ }
}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java
index dc9c7948b6..7b90ec199f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java
@@ -612,7 +612,7 @@ abstract class BasePackFetchConnection extends BasePackConnection implements
InputStream input = in;
if (sideband)
- input = new SideBandInputStream(input, monitor);
+ input = new SideBandInputStream(input, monitor, getMessageWriter());
ip = IndexPack.create(local, input);
ip.setFixThin(thinPack);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java
index 6e8b05da23..ba11707474 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java
@@ -94,6 +94,8 @@ class BasePackPushConnection extends BasePackConnection implements
private boolean capableReport;
+ private boolean capableSideBand;
+
private boolean capableOfsDelta;
private boolean sentCommand;
@@ -145,8 +147,21 @@ class BasePackPushConnection extends BasePackConnection implements
writeCommands(refUpdates.values(), monitor);
if (writePack)
writePack(refUpdates, monitor);
- if (sentCommand && capableReport)
- readStatusReport(refUpdates);
+ if (sentCommand) {
+ if (capableReport)
+ readStatusReport(refUpdates);
+ if (capableSideBand) {
+ // Ensure the data channel is at EOF, so we know we have
+ // read all side-band data from all channels and have a
+ // complete copy of the messages (if any) buffered from
+ // the other data channels.
+ //
+ int b = in.read();
+ if (0 <= b)
+ throw new TransportException(uri, "expected EOF;"
+ + " received '" + (char) b + "' instead");
+ }
+ }
} catch (TransportException e) {
throw e;
} catch (Exception e) {
@@ -158,7 +173,7 @@ class BasePackPushConnection extends BasePackConnection implements
private void writeCommands(final Collection<RemoteRefUpdate> refUpdates,
final ProgressMonitor monitor) throws IOException {
- final String capabilities = enableCapabilities();
+ final String capabilities = enableCapabilities(monitor);
for (final RemoteRefUpdate rru : refUpdates) {
if (!capableDeleteRefs && rru.isDelete()) {
rru.setStatus(Status.REJECTED_NODELETE);
@@ -191,11 +206,18 @@ class BasePackPushConnection extends BasePackConnection implements
outNeedsEnd = false;
}
- private String enableCapabilities() {
+ private String enableCapabilities(final ProgressMonitor monitor) {
final StringBuilder line = new StringBuilder();
capableReport = wantCapability(line, CAPABILITY_REPORT_STATUS);
capableDeleteRefs = wantCapability(line, CAPABILITY_DELETE_REFS);
capableOfsDelta = wantCapability(line, CAPABILITY_OFS_DELTA);
+
+ capableSideBand = wantCapability(line, CAPABILITY_SIDE_BAND_64K);
+ if (capableSideBand) {
+ in = new SideBandInputStream(in, monitor, getMessageWriter());
+ pckIn = new PacketLineIn(in);
+ }
+
if (line.length() > 0)
line.setCharAt(0, '\0');
return line.toString();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/Connection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/Connection.java
index 3f0c3d8e5b..e386c26c1f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/Connection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/Connection.java
@@ -1,4 +1,5 @@
/*
+ * Copyright (C) 2010, Google Inc.
* Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* and other copyright owners as documented in the project's IP log.
@@ -104,7 +105,26 @@ public interface Connection {
* must close that network socket, disconnecting the two peers. If the
* remote repository is actually local (same system) this method must close
* any open file handles used to read the "remote" repository.
+ * <p>
+ * If additional messages were produced by the remote peer, these should
+ * still be retained in the connection instance for {@link #getMessages()}.
*/
public void close();
+ /**
+ * Get the additional messages, if any, returned by the remote process.
+ * <p>
+ * These messages are most likely informational or error messages, sent by
+ * the remote peer, to help the end-user correct any problems that may have
+ * prevented the operation from completing successfully. Application UIs
+ * should try to show these in an appropriate context.
+ * <p>
+ * The message buffer is available after {@link #close()} has been called.
+ * Prior to closing the connection, the message buffer may be empty.
+ *
+ * @return the messages returned by the remote, most likely terminated by a
+ * newline (LF) character. The empty string is returned if the
+ * remote produced no additional messages.
+ */
+ public String getMessages();
}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchProcess.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchProcess.java
index 65a5b1769e..b86f86d2f9 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchProcess.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchProcess.java
@@ -146,7 +146,7 @@ class FetchProcess {
// Connection was used for object transfer. If we
// do another fetch we must open a new connection.
//
- closeConnection();
+ closeConnection(result);
} else {
includedTags = false;
}
@@ -170,7 +170,7 @@ class FetchProcess {
}
}
} finally {
- closeConnection();
+ closeConnection(result);
}
final RevWalk walk = new RevWalk(transport.local);
@@ -210,9 +210,10 @@ class FetchProcess {
"peer did not supply a complete object graph");
}
- private void closeConnection() {
+ private void closeConnection(final FetchResult result) {
if (conn != null) {
conn.close();
+ result.addMessages(conn.getMessages());
conn = null;
}
}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/OperationResult.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/OperationResult.java
index e93f7f7600..115cfbcc81 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/OperationResult.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/OperationResult.java
@@ -1,4 +1,5 @@
/*
+ * Copyright (C) 2010, Google Inc.
* Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
* Copyright (C) 2007-2009, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
@@ -65,6 +66,8 @@ public abstract class OperationResult {
final SortedMap<String, TrackingRefUpdate> updates = new TreeMap<String, TrackingRefUpdate>();
+ StringBuilder messageBuffer;
+
/**
* Get the URI this result came from.
* <p>
@@ -136,4 +139,30 @@ public abstract class OperationResult {
void add(final TrackingRefUpdate u) {
updates.put(u.getLocalName(), u);
}
+
+ /**
+ * Get the additional messages, if any, returned by the remote process.
+ * <p>
+ * These messages are most likely informational or error messages, sent by
+ * the remote peer, to help the end-user correct any problems that may have
+ * prevented the operation from completing successfully. Application UIs
+ * should try to show these in an appropriate context.
+ *
+ * @return the messages returned by the remote, most likely terminated by a
+ * newline (LF) character. The empty string is returned if the
+ * remote produced no additional messages.
+ */
+ public String getMessages() {
+ return messageBuffer != null ? messageBuffer.toString() : "";
+ }
+
+ void addMessages(final String msg) {
+ if (msg != null && msg.length() > 0) {
+ if (messageBuffer == null)
+ messageBuffer = new StringBuilder();
+ messageBuffer.append(msg);
+ if (!msg.endsWith("\n"))
+ messageBuffer.append('\n');
+ }
+ }
}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushProcess.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushProcess.java
index 17e1dfc77b..03b783427a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushProcess.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushProcess.java
@@ -122,8 +122,12 @@ class PushProcess {
PushResult execute(final ProgressMonitor monitor)
throws NotSupportedException, TransportException {
monitor.beginTask(PROGRESS_OPENING_CONNECTION, ProgressMonitor.UNKNOWN);
+
+ final PushResult res = new PushResult();
connection = transport.openPush();
try {
+ res.setAdvertisedRefs(transport.getURI(), connection.getRefsMap());
+ res.setRemoteUpdates(toPush);
monitor.endTask();
final Map<String, RemoteRefUpdate> preprocessed = prepareRemoteUpdates();
@@ -133,10 +137,16 @@ class PushProcess {
connection.push(monitor, preprocessed);
} finally {
connection.close();
+ res.addMessages(connection.getMessages());
}
if (!transport.isDryRun())
updateTrackingRefs();
- return prepareOperationResult();
+ for (final RemoteRefUpdate rru : toPush.values()) {
+ final TrackingRefUpdate tru = rru.getTrackingRefUpdate();
+ if (tru != null)
+ res.add(tru);
+ }
+ return res;
}
private Map<String, RemoteRefUpdate> prepareRemoteUpdates()
@@ -226,17 +236,4 @@ class PushProcess {
}
}
}
-
- private PushResult prepareOperationResult() {
- final PushResult result = new PushResult();
- result.setAdvertisedRefs(transport.getURI(), connection.getRefsMap());
- result.setRemoteUpdates(toPush);
-
- for (final RemoteRefUpdate rru : toPush.values()) {
- final TrackingRefUpdate tru = rru.getTrackingRefUpdate();
- if (tru != null)
- result.add(tru);
- }
- return result;
- }
}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandInputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandInputStream.java
index 0abbe7e09c..796cb745a1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandInputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandInputStream.java
@@ -48,6 +48,7 @@ import static org.eclipse.jgit.transport.SideBandOutputStream.HDR_SIZE;
import java.io.IOException;
import java.io.InputStream;
+import java.io.Writer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@@ -83,10 +84,10 @@ class SideBandInputStream extends InputStream {
static final int CH_ERROR = 3;
private static Pattern P_UNBOUNDED = Pattern
- .compile("^([\\w ]+): +(\\d+)(?:, done\\.)? *$");
+ .compile("^([\\w ]+): +(\\d+)(?:, done\\.)? *[\r\n]$");
private static Pattern P_BOUNDED = Pattern
- .compile("^([\\w ]+): +\\d+% +\\( *(\\d+)/ *(\\d+)\\)(?:, done\\.)? *$");
+ .compile("^([\\w ]+): +\\d+% +\\( *(\\d+)/ *(\\d+)\\)(?:, done\\.)? *[\r\n]$");
private final InputStream rawIn;
@@ -94,6 +95,8 @@ class SideBandInputStream extends InputStream {
private final ProgressMonitor monitor;
+ private final Writer messages;
+
private String progressBuffer = "";
private String currentTask;
@@ -106,10 +109,12 @@ class SideBandInputStream extends InputStream {
private int available;
- SideBandInputStream(final InputStream in, final ProgressMonitor progress) {
+ SideBandInputStream(final InputStream in, final ProgressMonitor progress,
+ final Writer messageStream) {
rawIn = in;
pckIn = new PacketLineIn(rawIn);
monitor = progress;
+ messages = messageStream;
currentTask = "";
}
@@ -170,7 +175,7 @@ class SideBandInputStream extends InputStream {
}
}
- private void progress(String pkt) {
+ private void progress(String pkt) throws IOException {
pkt = progressBuffer + pkt;
for (;;) {
final int lf = pkt.indexOf('\n');
@@ -185,16 +190,13 @@ class SideBandInputStream extends InputStream {
else
break;
- final String msg = pkt.substring(0, s);
- if (doProgressLine(msg))
- pkt = pkt.substring(s + 1);
- else
- break;
+ doProgressLine(pkt.substring(0, s + 1));
+ pkt = pkt.substring(s + 1);
}
progressBuffer = pkt;
}
- private boolean doProgressLine(final String msg) {
+ private void doProgressLine(final String msg) throws IOException {
Matcher matcher;
matcher = P_BOUNDED.matcher(msg);
@@ -208,7 +210,7 @@ class SideBandInputStream extends InputStream {
final int cnt = Integer.parseInt(matcher.group(2));
monitor.update(cnt - lastCnt);
lastCnt = cnt;
- return true;
+ return;
}
matcher = P_UNBOUNDED.matcher(msg);
@@ -222,10 +224,10 @@ class SideBandInputStream extends InputStream {
final int cnt = Integer.parseInt(matcher.group(2));
monitor.update(cnt - lastCnt);
lastCnt = cnt;
- return true;
+ return;
}
- return false;
+ messages.write(msg);
}
private void beginTask(final int totalWorkUnits) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java
index 5ee7887f6a..c693042434 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java
@@ -1,5 +1,4 @@
/*
- * Copyright (C) 2008-2010, Google Inc.
* Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
@@ -47,8 +46,6 @@
package org.eclipse.jgit.transport;
import java.io.IOException;
-import java.io.InputStream;
-import java.io.InterruptedIOException;
import java.io.OutputStream;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
@@ -57,6 +54,8 @@ import org.eclipse.jgit.errors.NoRemoteRepositoryException;
import org.eclipse.jgit.errors.TransportException;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.util.QuotedString;
+import org.eclipse.jgit.util.io.MessageWriter;
+import org.eclipse.jgit.util.io.StreamCopyThread;
import com.jcraft.jsch.ChannelExec;
import com.jcraft.jsch.JSchException;
@@ -88,8 +87,6 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
return false;
}
- OutputStream errStream;
-
TransportGitSsh(final Repository local, final URIish uri) {
super(local, uri);
}
@@ -145,15 +142,15 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
return cmd.toString();
}
- ChannelExec exec(final String exe) throws TransportException {
+ ChannelExec exec(final String exe, final OutputStream err)
+ throws TransportException {
initSession();
final int tms = getTimeout() > 0 ? getTimeout() * 1000 : 0;
try {
final ChannelExec channel = (ChannelExec) sock.openChannel("exec");
channel.setCommand(commandFor(exe));
- errStream = createErrorStream();
- channel.setErrStream(errStream, true);
+ channel.setErrStream(err);
channel.connect(tms);
return channel;
} catch (JSchException je) {
@@ -161,9 +158,9 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
}
}
- void checkExecFailure(int status, String exe) throws TransportException {
+ void checkExecFailure(int status, String exe, String why)
+ throws TransportException {
if (status == 127) {
- String why = errStream.toString();
IOException cause = null;
if (why != null && why.length() > 0)
cause = new IOException(why);
@@ -172,41 +169,8 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
}
}
- /**
- * @return the error stream for the channel, the stream is used to detect
- * specific error reasons for exceptions.
- */
- private static OutputStream createErrorStream() {
- return new OutputStream() {
- private StringBuilder all = new StringBuilder();
-
- private StringBuilder sb = new StringBuilder();
-
- public String toString() {
- String r = all.toString();
- while (r.endsWith("\n"))
- r = r.substring(0, r.length() - 1);
- return r;
- }
-
- @Override
- public void write(final int b) throws IOException {
- if (b == '\r') {
- return;
- }
-
- sb.append((char) b);
-
- if (b == '\n') {
- all.append(sb);
- sb.setLength(0);
- }
- }
- };
- }
-
- NoRemoteRepositoryException cleanNotFound(NoRemoteRepositoryException nf) {
- String why = errStream.toString();
+ NoRemoteRepositoryException cleanNotFound(NoRemoteRepositoryException nf,
+ String why) {
if (why == null || why.length() == 0)
return nf;
@@ -235,7 +199,7 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
if (getTimeout() <= 0)
return out;
final PipedInputStream pipeIn = new PipedInputStream();
- final CopyThread copyThread = new CopyThread(pipeIn, out);
+ final StreamCopyThread copyThread = new StreamCopyThread(pipeIn, out);
final PipedOutputStream pipeOut = new PipedOutputStream(pipeIn) {
@Override
public void flush() throws IOException {
@@ -257,65 +221,6 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
return pipeOut;
}
- private static class CopyThread extends Thread {
- private final InputStream src;
-
- private final OutputStream dst;
-
- private volatile boolean doFlush;
-
- CopyThread(final InputStream i, final OutputStream o) {
- setName(Thread.currentThread().getName() + "-Output");
- src = i;
- dst = o;
- }
-
- void flush() {
- if (!doFlush) {
- doFlush = true;
- interrupt();
- }
- }
-
- @Override
- public void run() {
- try {
- final byte[] buf = new byte[1024];
- for (;;) {
- try {
- if (doFlush) {
- doFlush = false;
- dst.flush();
- }
-
- final int n;
- try {
- n = src.read(buf);
- } catch (InterruptedIOException wakey) {
- continue;
- }
- if (n < 0)
- break;
- dst.write(buf, 0, n);
- } catch (IOException e) {
- break;
- }
- }
- } finally {
- try {
- src.close();
- } catch (IOException e) {
- // Ignore IO errors on close
- }
- try {
- dst.close();
- } catch (IOException e) {
- // Ignore IO errors on close
- }
- }
- }
- }
-
class SshFetchConnection extends BasePackFetchConnection {
private ChannelExec channel;
@@ -324,12 +229,14 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
SshFetchConnection() throws TransportException {
super(TransportGitSsh.this);
try {
- channel = exec(getOptionUploadPack());
+ final MessageWriter msg = new MessageWriter();
+ setMessageWriter(msg);
+ channel = exec(getOptionUploadPack(), msg.getRawStream());
if (channel.isConnected())
init(channel.getInputStream(), outputStream(channel));
else
- throw new TransportException(uri, errStream.toString());
+ throw new TransportException(uri, getMessages());
} catch (TransportException err) {
close();
@@ -343,9 +250,9 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
try {
readAdvertisedRefs();
} catch (NoRemoteRepositoryException notFound) {
- close();
- checkExecFailure(exitStatus, getOptionUploadPack());
- throw cleanNotFound(notFound);
+ final String msgs = getMessages();
+ checkExecFailure(exitStatus, getOptionUploadPack(), msgs);
+ throw cleanNotFound(notFound, msgs);
}
}
@@ -373,12 +280,14 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
SshPushConnection() throws TransportException {
super(TransportGitSsh.this);
try {
- channel = exec(getOptionReceivePack());
+ final MessageWriter msg = new MessageWriter();
+ setMessageWriter(msg);
+ channel = exec(getOptionReceivePack(), msg.getRawStream());
if (channel.isConnected())
init(channel.getInputStream(), outputStream(channel));
else
- throw new TransportException(uri, errStream.toString());
+ throw new TransportException(uri, getMessages());
} catch (TransportException err) {
close();
@@ -392,9 +301,9 @@ public class TransportGitSsh extends SshTransport implements PackTransport {
try {
readAdvertisedRefs();
} catch (NoRemoteRepositoryException notFound) {
- close();
- checkExecFailure(exitStatus, getOptionReceivePack());
- throw cleanNotFound(notFound);
+ final String msgs = getMessages();
+ checkExecFailure(exitStatus, getOptionReceivePack(), msgs);
+ throw cleanNotFound(notFound, msgs);
}
}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java
index a99a9b4131..a9bdcd8091 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2007, Dave Watson <dwatson@mimvista.com>
- * Copyright (C) 2008-2009, Google Inc.
+ * Copyright (C) 2008-2010, Google Inc.
* Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
@@ -59,6 +59,8 @@ import org.eclipse.jgit.errors.TransportException;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.util.FS;
+import org.eclipse.jgit.util.io.MessageWriter;
+import org.eclipse.jgit.util.io.StreamCopyThread;
/**
* Transport to access a local directory as though it were a remote peer.
@@ -129,11 +131,10 @@ class TransportLocal extends Transport implements PackTransport {
// Resources must be established per-connection.
}
- protected Process startProcessWithErrStream(final String cmd)
+ protected Process spawn(final String cmd)
throws TransportException {
try {
final String[] args;
- final Process proc;
if (cmd.startsWith("git-")) {
args = new String[] { "git", cmd.substring(4), PWD };
@@ -148,9 +149,7 @@ class TransportLocal extends Transport implements PackTransport {
}
}
- proc = Runtime.getRuntime().exec(args, null, remoteGitDir);
- new StreamRewritingThread(cmd, proc.getErrorStream()).start();
- return proc;
+ return Runtime.getRuntime().exec(args, null, remoteGitDir);
} catch (IOException err) {
throw new TransportException(uri, err.getMessage(), err);
}
@@ -246,9 +245,20 @@ class TransportLocal extends Transport implements PackTransport {
class ForkLocalFetchConnection extends BasePackFetchConnection {
private Process uploadPack;
+ private Thread errorReaderThread;
+
ForkLocalFetchConnection() throws TransportException {
super(TransportLocal.this);
- uploadPack = startProcessWithErrStream(getOptionUploadPack());
+
+ final MessageWriter msg = new MessageWriter();
+ setMessageWriter(msg);
+
+ uploadPack = spawn(getOptionUploadPack());
+
+ final InputStream upErr = uploadPack.getErrorStream();
+ errorReaderThread = new StreamCopyThread(upErr, msg.getRawStream());
+ errorReaderThread.start();
+
final InputStream upIn = uploadPack.getInputStream();
final OutputStream upOut = uploadPack.getOutputStream();
init(upIn, upOut);
@@ -268,6 +278,16 @@ class TransportLocal extends Transport implements PackTransport {
uploadPack = null;
}
}
+
+ if (errorReaderThread != null) {
+ try {
+ errorReaderThread.join();
+ } catch (InterruptedException e) {
+ // Stop waiting and return anyway.
+ } finally {
+ errorReaderThread = null;
+ }
+ }
}
}
@@ -351,9 +371,20 @@ class TransportLocal extends Transport implements PackTransport {
class ForkLocalPushConnection extends BasePackPushConnection {
private Process receivePack;
+ private Thread errorReaderThread;
+
ForkLocalPushConnection() throws TransportException {
super(TransportLocal.this);
- receivePack = startProcessWithErrStream(getOptionReceivePack());
+
+ final MessageWriter msg = new MessageWriter();
+ setMessageWriter(msg);
+
+ receivePack = spawn(getOptionReceivePack());
+
+ final InputStream rpErr = receivePack.getErrorStream();
+ errorReaderThread = new StreamCopyThread(rpErr, msg.getRawStream());
+ errorReaderThread.start();
+
final InputStream rpIn = receivePack.getInputStream();
final OutputStream rpOut = receivePack.getOutputStream();
init(rpIn, rpOut);
@@ -373,34 +404,14 @@ class TransportLocal extends Transport implements PackTransport {
receivePack = null;
}
}
- }
- }
-
- static class StreamRewritingThread extends Thread {
- private final InputStream in;
- StreamRewritingThread(final String cmd, final InputStream in) {
- super("JGit " + cmd + " Errors");
- this.in = in;
- }
-
- public void run() {
- final byte[] tmp = new byte[512];
- try {
- for (;;) {
- final int n = in.read(tmp);
- if (n < 0)
- break;
- System.err.write(tmp, 0, n);
- System.err.flush();
- }
- } catch (IOException err) {
- // Ignore errors reading errors.
- } finally {
+ if (errorReaderThread != null) {
try {
- in.close();
- } catch (IOException err2) {
- // Ignore errors closing the pipe.
+ errorReaderThread.join();
+ } catch (InterruptedException e) {
+ // Stop waiting and return anyway.
+ } finally {
+ errorReaderThread = null;
}
}
}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/MessageWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/MessageWriter.java
new file mode 100644
index 0000000000..22c3ce94ed
--- /dev/null
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/MessageWriter.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2009-2010, Google Inc.
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.eclipse.jgit.util.io;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.transport.BaseConnection;
+import org.eclipse.jgit.util.RawParseUtils;
+
+/**
+ * Combines messages from an OutputStream (hopefully in UTF-8) and a Writer.
+ * <p>
+ * This class is primarily meant for {@link BaseConnection} in contexts where a
+ * standard error stream from a command execution, as well as messages from a
+ * side-band channel, need to be combined together into a buffer to represent
+ * the complete set of messages from a remote repository.
+ * <p>
+ * Writes made to the writer are re-encoded as UTF-8 and interleaved into the
+ * buffer that {@link #getRawStream()} also writes to.
+ * <p>
+ * {@link #toString()} returns all written data, after converting it to a String
+ * under the assumption of UTF-8 encoding.
+ * <p>
+ * Internally {@link RawParseUtils#decode(byte[])} is used by {@code toString()}
+ * tries to work out a reasonably correct character set for the raw data.
+ */
+public class MessageWriter extends Writer {
+ private final ByteArrayOutputStream buf;
+
+ private final OutputStreamWriter enc;
+
+ /** Create an empty writer. */
+ public MessageWriter() {
+ buf = new ByteArrayOutputStream();
+ enc = new OutputStreamWriter(getRawStream(), Constants.CHARSET);
+ }
+
+ @Override
+ public void write(char[] cbuf, int off, int len) throws IOException {
+ synchronized (buf) {
+ enc.write(cbuf, off, len);
+ enc.flush();
+ }
+ }
+
+ /**
+ * @return the underlying byte stream that character writes to this writer
+ * drop into. Writes to this stream should should be in UTF-8.
+ */
+ public OutputStream getRawStream() {
+ return buf;
+ }
+
+ @Override
+ public void close() throws IOException {
+ // Do nothing, we are buffered with no resources.
+ }
+
+ @Override
+ public void flush() throws IOException {
+ // Do nothing, we are buffered with no resources.
+ }
+
+ /** @return string version of all buffered data. */
+ @Override
+ public String toString() {
+ return RawParseUtils.decode(buf.toByteArray());
+ }
+}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/StreamCopyThread.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/StreamCopyThread.java
new file mode 100644
index 0000000000..a2b9540170
--- /dev/null
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/StreamCopyThread.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2009-2010, Google Inc.
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.eclipse.jgit.util.io;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InterruptedIOException;
+import java.io.OutputStream;
+
+/** Thread to copy from an input stream to an output stream. */
+public class StreamCopyThread extends Thread {
+ private static final int BUFFER_SIZE = 1024;
+
+ private final InputStream src;
+
+ private final OutputStream dst;
+
+ private volatile boolean doFlush;
+
+ /**
+ * Create a thread to copy data from an input stream to an output stream.
+ *
+ * @param i
+ * stream to copy from. The thread terminates when this stream
+ * reaches EOF. The thread closes this stream before it exits.
+ * @param o
+ * stream to copy into. The destination stream is automatically
+ * closed when the thread terminates.
+ */
+ public StreamCopyThread(final InputStream i, final OutputStream o) {
+ setName(Thread.currentThread().getName() + "-StreamCopy");
+ src = i;
+ dst = o;
+ }
+
+ /**
+ * Request the thread to flush the output stream as soon as possible.
+ * <p>
+ * This is an asynchronous request to the thread. The actual flush will
+ * happen at some future point in time, when the thread wakes up to process
+ * the request.
+ */
+ public void flush() {
+ if (!doFlush) {
+ doFlush = true;
+ interrupt();
+ }
+ }
+
+ @Override
+ public void run() {
+ try {
+ final byte[] buf = new byte[BUFFER_SIZE];
+ for (;;) {
+ try {
+ if (doFlush) {
+ doFlush = false;
+ dst.flush();
+ }
+
+ final int n;
+ try {
+ n = src.read(buf);
+ } catch (InterruptedIOException wakey) {
+ continue;
+ }
+ if (n < 0)
+ break;
+ dst.write(buf, 0, n);
+ } catch (IOException e) {
+ break;
+ }
+ }
+ } finally {
+ try {
+ src.close();
+ } catch (IOException e) {
+ // Ignore IO errors on close
+ }
+ try {
+ dst.close();
+ } catch (IOException e) {
+ // Ignore IO errors on close
+ }
+ }
+ }
+}

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