Expose the received pack size in ReceivePack
PostReceiveHooks can make use of this information to, for example, update a cached size of the Git repository. Change-Id: I2bf1200959a50531e2155a7609c96035ba45b10d Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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/*
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* Copyright (C) 2014, Matthias Sohn <matthias.sohn@sap.com>
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* and other copyright owners as documented in the project's IP log.
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*
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* This program and the accompanying materials are made available
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* under the terms of the Eclipse Distribution License v1.0 which
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* accompanies this distribution, is reproduced below, and is
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* - Neither the name of the Eclipse Foundation, Inc. nor the
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* names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.eclipse.jgit.http.test;
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import static org.junit.Assert.assertEquals;
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import java.util.Collection;
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import java.util.Collections;
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import javax.servlet.http.HttpServletRequest;
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import org.eclipse.jetty.servlet.ServletContextHandler;
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import org.eclipse.jetty.servlet.ServletHolder;
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import org.eclipse.jgit.errors.RepositoryNotFoundException;
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import org.eclipse.jgit.http.server.GitServlet;
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import org.eclipse.jgit.http.server.resolver.DefaultReceivePackFactory;
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import org.eclipse.jgit.junit.TestRepository;
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import org.eclipse.jgit.junit.http.HttpTestCase;
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import org.eclipse.jgit.lib.Constants;
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import org.eclipse.jgit.lib.NullProgressMonitor;
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import org.eclipse.jgit.lib.ObjectId;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.lib.StoredConfig;
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import org.eclipse.jgit.revwalk.RevBlob;
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import org.eclipse.jgit.revwalk.RevCommit;
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import org.eclipse.jgit.transport.PostReceiveHook;
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import org.eclipse.jgit.transport.PushResult;
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import org.eclipse.jgit.transport.ReceiveCommand;
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import org.eclipse.jgit.transport.ReceivePack;
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import org.eclipse.jgit.transport.RemoteRefUpdate;
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import org.eclipse.jgit.transport.Transport;
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import org.eclipse.jgit.transport.URIish;
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import org.eclipse.jgit.transport.resolver.RepositoryResolver;
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import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
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import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
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import org.junit.Before;
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import org.junit.Test;
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public class MeasurePackSizeTest extends HttpTestCase {
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private Repository remoteRepository;
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private URIish remoteURI;
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long packSize = -1;
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@Before
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public void setUp() throws Exception {
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super.setUp();
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final TestRepository<Repository> src = createTestRepository();
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final String srcName = src.getRepository().getDirectory().getName();
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ServletContextHandler app = server.addContext("/git");
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GitServlet gs = new GitServlet();
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gs.setRepositoryResolver(new RepositoryResolver<HttpServletRequest>() {
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public Repository open(HttpServletRequest req, String name)
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throws RepositoryNotFoundException,
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ServiceNotEnabledException {
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if (!name.equals(srcName))
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throw new RepositoryNotFoundException(name);
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final Repository db = src.getRepository();
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db.incrementOpen();
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return db;
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}
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});
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gs.setReceivePackFactory(new DefaultReceivePackFactory() {
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public ReceivePack create(HttpServletRequest req, Repository db)
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throws ServiceNotEnabledException,
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ServiceNotAuthorizedException {
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ReceivePack recv = super.create(req, db);
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recv.setPostReceiveHook(new PostReceiveHook() {
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public void onPostReceive(ReceivePack rp,
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Collection<ReceiveCommand> commands) {
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packSize = rp.getPackSize();
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}
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});
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return recv;
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}
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});
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app.addServlet(new ServletHolder(gs), "/*");
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server.setUp();
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remoteRepository = src.getRepository();
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remoteURI = toURIish(app, srcName);
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StoredConfig cfg = remoteRepository.getConfig();
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cfg.setBoolean("http", null, "receivepack", true);
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cfg.save();
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}
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@Test
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public void testPush_packSize() throws Exception {
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final TestRepository src = createTestRepository();
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final RevBlob Q_txt = src
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.blob("some blob content to measure pack size");
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final RevCommit Q = src.commit().add("Q", Q_txt).create();
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final Repository db = src.getRepository();
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final String dstName = Constants.R_HEADS + "new.branch";
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Transport t;
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PushResult result;
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t = Transport.open(db, remoteURI);
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try {
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final String srcExpr = Q.name();
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final boolean forceUpdate = false;
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final String localName = null;
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final ObjectId oldId = null;
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RemoteRefUpdate update = new RemoteRefUpdate(src.getRepository(),
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srcExpr, dstName, forceUpdate, localName, oldId);
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result = t.push(NullProgressMonitor.INSTANCE,
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Collections.singleton(update));
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} finally {
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t.close();
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}
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assertEquals("expected 1 RemoteUpdate", 1, result.getRemoteUpdates()
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.size());
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assertEquals("unexpected pack size", 1398, packSize);
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}
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}
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@ -378,6 +378,7 @@ packHasUnresolvedDeltas=pack has unresolved deltas
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packingCancelledDuringObjectsWriting=Packing cancelled during objects writing
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packObjectCountMismatch=Pack object count mismatch: pack {0} index {1}: {2}
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packRefs=Pack refs
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packSizeNotSetYet=Pack size not yet set since it has not yet been received
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packTooLargeForIndexVersion1=Pack too large for index version 1
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packWriterStatistics=Total {0,number,#0} (delta {1,number,#0}), reused {2,number,#0} (delta {3,number,#0})
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panicCantRenameIndexFile=Panic: index file {0} must be renamed to replace {1}; until then repository is corrupt
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@ -440,6 +440,7 @@ public static JGitText get() {
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/***/ public String packingCancelledDuringObjectsWriting;
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/***/ public String packObjectCountMismatch;
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/***/ public String packRefs;
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/***/ public String packSizeNotSetYet;
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/***/ public String packTooLargeForIndexVersion1;
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/***/ public String packWriterStatistics;
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/***/ public String panicCantRenameIndexFile;
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@ -168,6 +168,21 @@ public PackFile getPackFile() {
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return newPack;
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}
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@Override
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public long getPackSize() {
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if (newPack == null)
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return super.getPackSize();
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File pack = newPack.getPackFile();
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long size = pack.length();
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String p = pack.getAbsolutePath();
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String i = p.substring(0, p.length() - ".pack".length()) + ".idx"; //$NON-NLS-1$ //$NON-NLS-2$
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File idx = new File(i);
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if (idx.exists() && idx.isFile())
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size += idx.length();
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return size;
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}
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@Override
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public PackLock parse(ProgressMonitor receiving, ProgressMonitor resolving)
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throws IOException {
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@ -240,6 +240,9 @@ public Set<String> getCapabilities() {
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/** Total pack size limit */
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private long maxPackSizeLimit = -1;
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/** The size of the received pack, including index size */
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private Long packSize;
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/**
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* Create a new pack receive for an open repository.
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*
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@ -720,6 +723,22 @@ public OutputStream getMessageOutputStream() {
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return msgOutWrapper;
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}
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/**
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* Get the size of the received pack file including the index size.
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*
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* This can only be called if the pack is already received.
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*
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* @return the size of the received pack including index size
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* @throws IllegalStateException
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* if called before the pack has been received
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* @since 3.3
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*/
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public long getPackSize() {
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if (packSize != null)
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return packSize.longValue();
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throw new IllegalStateException(JGitText.get().packSizeNotSetYet);
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}
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/** @return true if any commands to be executed have been read. */
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protected boolean hasCommands() {
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return !commands.isEmpty();
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@ -968,6 +987,7 @@ private void receivePack() throws IOException {
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parser.setLockMessage(lockMsg);
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parser.setMaxObjectSizeLimit(maxObjectSizeLimit);
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packLock = parser.parse(receiving, resolving);
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packSize = Long.valueOf(parser.getPackSize());
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ins.flush();
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} finally {
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ins.release();
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@ -418,6 +418,20 @@ public List<PackedObjectInfo> getSortedObjectList(
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return list;
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}
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/**
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* Get the size of the parsed pack.
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*
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* This will also include the pack index size if an index was created. This
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* method should only be called after pack parsing is finished.
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*
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* @return the pack size (including the index size) or -1 if the size cannot
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* be determined
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* @since 3.3
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*/
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public long getPackSize() {
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return -1;
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}
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/**
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* Parse the pack stream.
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*
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