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/* |
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* Copyright (C) 2010, Google Inc. |
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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.transport; |
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import java.io.ByteArrayInputStream; |
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import java.io.IOException; |
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import java.net.URISyntaxException; |
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import java.security.MessageDigest; |
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import java.util.Collections; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.zip.Deflater; |
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import org.eclipse.jgit.junit.LocalDiskRepositoryTestCase; |
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import org.eclipse.jgit.junit.TestRepository; |
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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.ObjectDirectory; |
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import org.eclipse.jgit.lib.ObjectId; |
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import org.eclipse.jgit.lib.ObjectLoader; |
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import org.eclipse.jgit.lib.Ref; |
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import org.eclipse.jgit.lib.Repository; |
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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.revwalk.RevTree; |
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import org.eclipse.jgit.util.NB; |
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import org.eclipse.jgit.util.TemporaryBuffer; |
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public class ReceivePackRefFilterTest extends LocalDiskRepositoryTestCase { |
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private static final NullProgressMonitor PM = NullProgressMonitor.INSTANCE; |
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private static final String R_MASTER = Constants.R_HEADS + Constants.MASTER; |
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private static final String R_PRIVATE = Constants.R_HEADS + "private"; |
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private Repository src; |
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private Repository dst; |
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private RevCommit A, B, P; |
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private RevBlob a, b; |
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@Override |
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protected void setUp() throws Exception { |
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super.setUp(); |
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src = createBareRepository(); |
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dst = createBareRepository(); |
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// Fill dst with a some common history. |
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// |
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TestRepository d = new TestRepository(dst); |
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a = d.blob("a"); |
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A = d.commit(d.tree(d.file("a", a))); |
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B = d.commit().parent(A).create(); |
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d.update(R_MASTER, B); |
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// Clone from dst into src |
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// |
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Transport t = Transport.open(src, uriOf(dst)); |
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try { |
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t.fetch(PM, Collections.singleton(new RefSpec("+refs/*:refs/*"))); |
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assertEquals(B.copy(), src.resolve(R_MASTER)); |
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} finally { |
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t.close(); |
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} |
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// Now put private stuff into dst. |
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// |
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b = d.blob("b"); |
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P = d.commit(d.tree(d.file("b", b)), A); |
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d.update(R_PRIVATE, P); |
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} |
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public void testFilterHidesPrivate() throws Exception { |
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Map<String, Ref> refs; |
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TransportLocal t = new TransportLocal(src, uriOf(dst)) { |
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@Override |
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ReceivePack createReceivePack(final Repository db) { |
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db.close(); |
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dst.incrementOpen(); |
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final ReceivePack rp = super.createReceivePack(dst); |
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rp.setRefFilter(new HidePrivateFilter()); |
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return rp; |
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} |
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}; |
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try { |
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PushConnection c = t.openPush(); |
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try { |
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refs = c.getRefsMap(); |
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} finally { |
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c.close(); |
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} |
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} finally { |
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t.close(); |
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} |
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assertNotNull(refs); |
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assertNull("no private", refs.get(R_PRIVATE)); |
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assertNull("no HEAD", refs.get(Constants.HEAD)); |
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assertEquals(1, refs.size()); |
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Ref master = refs.get(R_MASTER); |
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assertNotNull("has master", master); |
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assertEquals(B.copy(), master.getObjectId()); |
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} |
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public void testSuccess() throws Exception { |
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// Manually force a delta of an object so we reuse it later. |
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// |
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TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(1024); |
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packHeader(pack, 2); |
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pack.write((Constants.OBJ_BLOB) << 4 | 1); |
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deflate(pack, new byte[] { 'a' }); |
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pack.write((Constants.OBJ_REF_DELTA) << 4 | 4); |
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a.copyRawTo(pack); |
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deflate(pack, new byte[] { 0x1, 0x1, 0x1, 'b' }); |
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digest(pack); |
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openPack(pack); |
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// Verify the only storage of b is our packed delta above. |
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// |
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ObjectDirectory od = (ObjectDirectory) src.getObjectDatabase(); |
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assertTrue("has b", od.hasObject(b)); |
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assertFalse("b not loose", od.fileFor(b).exists()); |
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// Now use b but in a different commit than what is hidden. |
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// |
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TestRepository s = new TestRepository(src); |
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RevCommit N = s.commit().parent(B).add("q", b).create(); |
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s.update(R_MASTER, N); |
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// Push this new content to the remote, doing strict validation. |
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// |
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TransportLocal t = new TransportLocal(src, uriOf(dst)) { |
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@Override |
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ReceivePack createReceivePack(final Repository db) { |
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db.close(); |
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dst.incrementOpen(); |
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final ReceivePack rp = super.createReceivePack(dst); |
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rp.setCheckReceivedObjects(true); |
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rp.setEnsureProvidedObjectsVisible(true); |
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rp.setRefFilter(new HidePrivateFilter()); |
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return rp; |
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} |
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}; |
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RemoteRefUpdate u = new RemoteRefUpdate( // |
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src, // |
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R_MASTER, // src name |
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R_MASTER, // dst name |
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false, // do not force update |
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null, // local tracking branch |
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null // expected id |
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); |
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PushResult r; |
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try { |
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t.setPushThin(true); |
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r = t.push(PM, Collections.singleton(u)); |
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} finally { |
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t.close(); |
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} |
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assertNotNull("have result", r); |
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assertNull("private not advertised", r.getAdvertisedRef(R_PRIVATE)); |
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assertSame("master updated", RemoteRefUpdate.Status.OK, u.getStatus()); |
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assertEquals(N.copy(), dst.resolve(R_MASTER)); |
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} |
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public void testCreateBranchAtHiddenCommitFails() throws Exception { |
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final TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(64); |
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packHeader(pack, 0); |
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digest(pack); |
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final TemporaryBuffer.Heap inBuf = new TemporaryBuffer.Heap(256); |
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final PacketLineOut inPckLine = new PacketLineOut(inBuf); |
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inPckLine.writeString(ObjectId.zeroId().name() + ' ' + P.name() + ' ' |
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+ "refs/heads/s" + '\0' |
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+ BasePackPushConnection.CAPABILITY_REPORT_STATUS); |
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inPckLine.end(); |
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pack.writeTo(inBuf, PM); |
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final TemporaryBuffer.Heap outBuf = new TemporaryBuffer.Heap(1024); |
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final ReceivePack rp = new ReceivePack(dst); |
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rp.setCheckReceivedObjects(true); |
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rp.setEnsureProvidedObjectsVisible(true); |
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rp.setRefFilter(new HidePrivateFilter()); |
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rp.receive(new ByteArrayInputStream(inBuf.toByteArray()), outBuf, null); |
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final PacketLineIn r = asPacketLineIn(outBuf); |
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String master = r.readString(); |
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int nul = master.indexOf('\0'); |
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assertTrue("has capability list", nul > 0); |
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assertEquals(B.name() + ' ' + R_MASTER, master.substring(0, nul)); |
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assertSame(PacketLineIn.END, r.readString()); |
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assertEquals("unpack error Missing commit " + P.name(), r.readString()); |
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assertEquals("ng refs/heads/s n/a (unpacker error)", r.readString()); |
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assertSame(PacketLineIn.END, r.readString()); |
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} |
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public void testUsingHiddenDeltaBaseFails() throws Exception { |
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final TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(64); |
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packHeader(pack, 1); |
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pack.write((Constants.OBJ_REF_DELTA) << 4 | 4); |
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b.copyRawTo(pack); |
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deflate(pack, new byte[] { 0x1, 0x1, 0x1, 'b' }); |
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digest(pack); |
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final TemporaryBuffer.Heap inBuf = new TemporaryBuffer.Heap(256); |
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final PacketLineOut inPckLine = new PacketLineOut(inBuf); |
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inPckLine.writeString(ObjectId.zeroId().name() + ' ' + P.name() + ' ' |
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+ "refs/heads/s" + '\0' |
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+ BasePackPushConnection.CAPABILITY_REPORT_STATUS); |
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inPckLine.end(); |
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pack.writeTo(inBuf, PM); |
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final TemporaryBuffer.Heap outBuf = new TemporaryBuffer.Heap(1024); |
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final ReceivePack rp = new ReceivePack(dst); |
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rp.setCheckReceivedObjects(true); |
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rp.setEnsureProvidedObjectsVisible(true); |
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rp.setRefFilter(new HidePrivateFilter()); |
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rp.receive(new ByteArrayInputStream(inBuf.toByteArray()), outBuf, null); |
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final PacketLineIn r = asPacketLineIn(outBuf); |
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String master = r.readString(); |
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int nul = master.indexOf('\0'); |
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assertTrue("has capability list", nul > 0); |
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assertEquals(B.name() + ' ' + R_MASTER, master.substring(0, nul)); |
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assertSame(PacketLineIn.END, r.readString()); |
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assertEquals("unpack error Missing blob " + b.name(), r.readString()); |
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assertEquals("ng refs/heads/s n/a (unpacker error)", r.readString()); |
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assertSame(PacketLineIn.END, r.readString()); |
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} |
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public void testUsingHiddenCommonBlobFails() throws Exception { |
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// Try to use the 'b' blob that is hidden. |
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// |
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TestRepository s = new TestRepository(src); |
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RevCommit N = s.commit().parent(B).add("q", s.blob("b")).create(); |
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// But don't include it in the pack. |
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// |
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final TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(64); |
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packHeader(pack, 2); |
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copy(pack, src.openObject(N)); |
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copy(pack,src.openObject(s.parseBody(N).getTree())); |
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digest(pack); |
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final TemporaryBuffer.Heap inBuf = new TemporaryBuffer.Heap(256); |
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final PacketLineOut inPckLine = new PacketLineOut(inBuf); |
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inPckLine.writeString(ObjectId.zeroId().name() + ' ' + N.name() + ' ' |
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+ "refs/heads/s" + '\0' |
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+ BasePackPushConnection.CAPABILITY_REPORT_STATUS); |
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inPckLine.end(); |
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|
|
|
|
pack.writeTo(inBuf, PM); |
|
|
|
|
|
|
|
|
|
|
|
final TemporaryBuffer.Heap outBuf = new TemporaryBuffer.Heap(1024); |
|
|
|
|
|
final ReceivePack rp = new ReceivePack(dst); |
|
|
|
|
|
rp.setCheckReceivedObjects(true); |
|
|
|
|
|
rp.setEnsureProvidedObjectsVisible(true); |
|
|
|
|
|
rp.setRefFilter(new HidePrivateFilter()); |
|
|
|
|
|
rp.receive(new ByteArrayInputStream(inBuf.toByteArray()), outBuf, null); |
|
|
|
|
|
|
|
|
|
|
|
final PacketLineIn r = asPacketLineIn(outBuf); |
|
|
|
|
|
String master = r.readString(); |
|
|
|
|
|
int nul = master.indexOf('\0'); |
|
|
|
|
|
assertTrue("has capability list", nul > 0); |
|
|
|
|
|
assertEquals(B.name() + ' ' + R_MASTER, master.substring(0, nul)); |
|
|
|
|
|
assertSame(PacketLineIn.END, r.readString()); |
|
|
|
|
|
|
|
|
|
|
|
assertEquals("unpack error Missing blob " + b.name(), r.readString()); |
|
|
|
|
|
assertEquals("ng refs/heads/s n/a (unpacker error)", r.readString()); |
|
|
|
|
|
assertSame(PacketLineIn.END, r.readString()); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
public void testUsingUnknownBlobFails() throws Exception { |
|
|
|
|
|
// Try to use the 'n' blob that is not on the server. |
|
|
|
|
|
// |
|
|
|
|
|
TestRepository s = new TestRepository(src); |
|
|
|
|
|
RevBlob n = s.blob("n"); |
|
|
|
|
|
RevCommit N = s.commit().parent(B).add("q", n).create(); |
|
|
|
|
|
|
|
|
|
|
|
// But don't include it in the pack. |
|
|
|
|
|
// |
|
|
|
|
|
final TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(64); |
|
|
|
|
|
packHeader(pack, 2); |
|
|
|
|
|
copy(pack, src.openObject(N)); |
|
|
|
|
|
copy(pack,src.openObject(s.parseBody(N).getTree())); |
|
|
|
|
|
digest(pack); |
|
|
|
|
|
|
|
|
|
|
|
final TemporaryBuffer.Heap inBuf = new TemporaryBuffer.Heap(256); |
|
|
|
|
|
final PacketLineOut inPckLine = new PacketLineOut(inBuf); |
|
|
|
|
|
inPckLine.writeString(ObjectId.zeroId().name() + ' ' + N.name() + ' ' |
|
|
|
|
|
+ "refs/heads/s" + '\0' |
|
|
|
|
|
+ BasePackPushConnection.CAPABILITY_REPORT_STATUS); |
|
|
|
|
|
inPckLine.end(); |
|
|
|
|
|
pack.writeTo(inBuf, PM); |
|
|
|
|
|
|
|
|
|
|
|
final TemporaryBuffer.Heap outBuf = new TemporaryBuffer.Heap(1024); |
|
|
|
|
|
final ReceivePack rp = new ReceivePack(dst); |
|
|
|
|
|
rp.setCheckReceivedObjects(true); |
|
|
|
|
|
rp.setEnsureProvidedObjectsVisible(true); |
|
|
|
|
|
rp.setRefFilter(new HidePrivateFilter()); |
|
|
|
|
|
rp.receive(new ByteArrayInputStream(inBuf.toByteArray()), outBuf, null); |
|
|
|
|
|
|
|
|
|
|
|
final PacketLineIn r = asPacketLineIn(outBuf); |
|
|
|
|
|
String master = r.readString(); |
|
|
|
|
|
int nul = master.indexOf('\0'); |
|
|
|
|
|
assertTrue("has capability list", nul > 0); |
|
|
|
|
|
assertEquals(B.name() + ' ' + R_MASTER, master.substring(0, nul)); |
|
|
|
|
|
assertSame(PacketLineIn.END, r.readString()); |
|
|
|
|
|
|
|
|
|
|
|
assertEquals("unpack error Missing blob " + n.name(), r.readString()); |
|
|
|
|
|
assertEquals("ng refs/heads/s n/a (unpacker error)", r.readString()); |
|
|
|
|
|
assertSame(PacketLineIn.END, r.readString()); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
public void testUsingUnknownTreeFails() throws Exception { |
|
|
|
|
|
TestRepository s = new TestRepository(src); |
|
|
|
|
|
RevCommit N = s.commit().parent(B).add("q", s.blob("a")).create(); |
|
|
|
|
|
RevTree t = s.parseBody(N).getTree(); |
|
|
|
|
|
|
|
|
|
|
|
// Don't include the tree in the pack. |
|
|
|
|
|
// |
|
|
|
|
|
final TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(64); |
|
|
|
|
|
packHeader(pack, 1); |
|
|
|
|
|
copy(pack, src.openObject(N)); |
|
|
|
|
|
digest(pack); |
|
|
|
|
|
|
|
|
|
|
|
final TemporaryBuffer.Heap inBuf = new TemporaryBuffer.Heap(256); |
|
|
|
|
|
final PacketLineOut inPckLine = new PacketLineOut(inBuf); |
|
|
|
|
|
inPckLine.writeString(ObjectId.zeroId().name() + ' ' + N.name() + ' ' |
|
|
|
|
|
+ "refs/heads/s" + '\0' |
|
|
|
|
|
+ BasePackPushConnection.CAPABILITY_REPORT_STATUS); |
|
|
|
|
|
inPckLine.end(); |
|
|
|
|
|
pack.writeTo(inBuf, PM); |
|
|
|
|
|
|
|
|
|
|
|
final TemporaryBuffer.Heap outBuf = new TemporaryBuffer.Heap(1024); |
|
|
|
|
|
final ReceivePack rp = new ReceivePack(dst); |
|
|
|
|
|
rp.setCheckReceivedObjects(true); |
|
|
|
|
|
rp.setEnsureProvidedObjectsVisible(true); |
|
|
|
|
|
rp.setRefFilter(new HidePrivateFilter()); |
|
|
|
|
|
rp.receive(new ByteArrayInputStream(inBuf.toByteArray()), outBuf, null); |
|
|
|
|
|
|
|
|
|
|
|
final PacketLineIn r = asPacketLineIn(outBuf); |
|
|
|
|
|
String master = r.readString(); |
|
|
|
|
|
int nul = master.indexOf('\0'); |
|
|
|
|
|
assertTrue("has capability list", nul > 0); |
|
|
|
|
|
assertEquals(B.name() + ' ' + R_MASTER, master.substring(0, nul)); |
|
|
|
|
|
assertSame(PacketLineIn.END, r.readString()); |
|
|
|
|
|
|
|
|
|
|
|
assertEquals("unpack error Missing tree " + t.name(), r.readString()); |
|
|
|
|
|
assertEquals("ng refs/heads/s n/a (unpacker error)", r.readString()); |
|
|
|
|
|
assertSame(PacketLineIn.END, r.readString()); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
private void packHeader(TemporaryBuffer.Heap tinyPack, int cnt) |
|
|
|
|
|
throws IOException { |
|
|
|
|
|
final byte[] hdr = new byte[8]; |
|
|
|
|
|
NB.encodeInt32(hdr, 0, 2); |
|
|
|
|
|
NB.encodeInt32(hdr, 4, cnt); |
|
|
|
|
|
|
|
|
|
|
|
tinyPack.write(Constants.PACK_SIGNATURE); |
|
|
|
|
|
tinyPack.write(hdr, 0, 8); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
private void copy(TemporaryBuffer.Heap tinyPack, ObjectLoader ldr) |
|
|
|
|
|
throws IOException { |
|
|
|
|
|
final byte[] buf = new byte[64]; |
|
|
|
|
|
final byte[] content = ldr.getCachedBytes(); |
|
|
|
|
|
int dataLength = content.length; |
|
|
|
|
|
int nextLength = dataLength >>> 4; |
|
|
|
|
|
int size = 0; |
|
|
|
|
|
buf[size++] = (byte) ((nextLength > 0 ? 0x80 : 0x00) |
|
|
|
|
|
| (ldr.getType() << 4) | (dataLength & 0x0F)); |
|
|
|
|
|
dataLength = nextLength; |
|
|
|
|
|
while (dataLength > 0) { |
|
|
|
|
|
nextLength >>>= 7; |
|
|
|
|
|
buf[size++] = (byte) ((nextLength > 0 ? 0x80 : 0x00) | (dataLength & 0x7F)); |
|
|
|
|
|
dataLength = nextLength; |
|
|
|
|
|
} |
|
|
|
|
|
tinyPack.write(buf, 0, size); |
|
|
|
|
|
deflate(tinyPack, content); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
private void deflate(TemporaryBuffer.Heap tinyPack, final byte[] content) |
|
|
|
|
|
throws IOException { |
|
|
|
|
|
final Deflater deflater = new Deflater(); |
|
|
|
|
|
final byte[] buf = new byte[128]; |
|
|
|
|
|
deflater.setInput(content, 0, content.length); |
|
|
|
|
|
deflater.finish(); |
|
|
|
|
|
do { |
|
|
|
|
|
final int n = deflater.deflate(buf, 0, buf.length); |
|
|
|
|
|
if (n > 0) |
|
|
|
|
|
tinyPack.write(buf, 0, n); |
|
|
|
|
|
} while (!deflater.finished()); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
private void digest(TemporaryBuffer.Heap buf) throws IOException { |
|
|
|
|
|
MessageDigest md = Constants.newMessageDigest(); |
|
|
|
|
|
md.update(buf.toByteArray()); |
|
|
|
|
|
buf.write(md.digest()); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
private void openPack(TemporaryBuffer.Heap buf) throws IOException { |
|
|
|
|
|
final byte[] raw = buf.toByteArray(); |
|
|
|
|
|
IndexPack ip = IndexPack.create(src, new ByteArrayInputStream(raw)); |
|
|
|
|
|
ip.setFixThin(true); |
|
|
|
|
|
ip.index(PM); |
|
|
|
|
|
ip.renameAndOpenPack(); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
private static PacketLineIn asPacketLineIn(TemporaryBuffer.Heap buf) |
|
|
|
|
|
throws IOException { |
|
|
|
|
|
return new PacketLineIn(new ByteArrayInputStream(buf.toByteArray())); |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
private static final class HidePrivateFilter implements RefFilter { |
|
|
|
|
|
public Map<String, Ref> filter(Map<String, Ref> refs) { |
|
|
|
|
|
Map<String, Ref> r = new HashMap<String, Ref>(refs); |
|
|
|
|
|
assertNotNull(r.remove(R_PRIVATE)); |
|
|
|
|
|
return r; |
|
|
|
|
|
} |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
private static URIish uriOf(Repository r) throws URISyntaxException { |
|
|
|
|
|
return new URIish(r.getDirectory().getAbsolutePath()); |
|
|
|
|
|
} |
|
|
|
|
|
} |