org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackReachabilityTest.java - jgit - Git at Google

 /*
  * Copyright (C) 2019, Google LLC.
  * 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.transport;

 import static org.eclipse.jgit.lib.MoreAsserts.assertThrows;
 import static org.hamcrest.Matchers.containsString;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;

 import java.util.Collections;

 import org.eclipse.jgit.errors.TransportException;
 import org.eclipse.jgit.internal.storage.dfs.DfsGarbageCollector;
 import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
 import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
 import org.eclipse.jgit.junit.TestRepository;
 import org.eclipse.jgit.lib.NullProgressMonitor;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.revwalk.RevBlob;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.transport.UploadPack.RequestPolicy;
 import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
 import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
 import org.eclipse.jgit.transport.resolver.UploadPackFactory;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;

 /**
  * Test combinations of:
  * <ul>
  * <li>Fetch a blob or a commit</li>
  * <li>Fetched object is reachable or not</li>
  * <li>With and without bitmaps</li>
  * </ul>
  */
 public class UploadPackReachabilityTest {

 	@Rule
 	public ExpectedException thrown = ExpectedException.none();

 	private URIish uri;

 	private TestProtocol<Object> testProtocol;

 	private Object ctx = new Object();

 	private InMemoryRepository server;

 	private InMemoryRepository client;

 	private TestRepository<InMemoryRepository> remote;

 	@Before
 	public void setUp() throws Exception {
 		server = newRepo("server");
 		client = newRepo("client");

 		remote = new TestRepository<>(server);
 	}

 	@After
 	public void tearDown() {
 		Transport.unregister(testProtocol);
 	}

 	@Test
 	public void testFetchUnreachableBlobWithBitmap() throws Exception {
 		RevBlob blob = remote.blob("foo");
 		remote.commit(remote.tree(remote.file("foo", blob)));
 		generateBitmaps(server);

 		testProtocol = generateReachableCommitUploadPackProtocol();
 		uri = testProtocol.register(ctx, server);

 		assertFalse(client.getObjectDatabase().has(blob.toObjectId()));

 		try (Transport tn = testProtocol.open(uri, client, "server")) {
 			TransportException e = assertThrows(TransportException.class,
 					() -> tn.fetch(NullProgressMonitor.INSTANCE, Collections
 							.singletonList(new RefSpec(blob.name()))));
 			assertThat(e.getMessage(),
 					containsString("want " + blob.name() + " not valid"));
 		}
 	}

 	@Test
 	public void testFetchReachableBlobWithoutBitmap() throws Exception {
 		RevBlob blob = remote.blob("foo");
 		RevCommit commit = remote.commit(remote.tree(remote.file("foo", blob)));
 		remote.update("master", commit);

 		testProtocol = generateReachableCommitUploadPackProtocol();
 		uri = testProtocol.register(ctx, server);

 		assertFalse(client.getObjectDatabase().has(blob.toObjectId()));

 		try (Transport tn = testProtocol.open(uri, client, "server")) {
 			TransportException e = assertThrows(TransportException.class,
 					() -> tn.fetch(NullProgressMonitor.INSTANCE, Collections
 							.singletonList(new RefSpec(blob.name()))));
 			assertThat(e.getMessage(),
 					containsString(
 						"want " + blob.name() + " not valid"));
 		}
 	}

 	@Test
 	public void testFetchReachableBlobWithoutBitmapButFilterAllowed() throws Exception {
 		InMemoryRepository server2 = newRepo("server2");
 		try (TestRepository<InMemoryRepository> remote2 = new TestRepository<>(
 				server2)) {
 			RevBlob blob = remote2.blob("foo");
 			RevCommit commit = remote2.commit(remote2.tree(remote2.file("foo", blob)));
 			remote2.update("master", commit);

 			server2.getConfig().setBoolean("uploadpack", null, "allowfilter",
 					true);

 			testProtocol = new TestProtocol<>((Object req, Repository db) -> {
 				UploadPack up = new UploadPack(db);
 				up.setRequestPolicy(RequestPolicy.REACHABLE_COMMIT);
 				return up;
 			}, null);
 			uri = testProtocol.register(ctx, server2);

 			assertFalse(client.getObjectDatabase().has(blob.toObjectId()));

 			try (Transport tn = testProtocol.open(uri, client, "server2")) {
 				tn.fetch(NullProgressMonitor.INSTANCE,
 						Collections.singletonList(new RefSpec(blob.name())));
 				assertTrue(client.getObjectDatabase().has(blob.toObjectId()));
 			}
 		}
 	}

 	@Test
 	public void testFetchUnreachableBlobWithoutBitmap() throws Exception {
 		RevBlob blob = remote.blob("foo");
 		remote.commit(remote.tree(remote.file("foo", blob)));

 		testProtocol = generateReachableCommitUploadPackProtocol();
 		uri = testProtocol.register(ctx, server);

 		assertFalse(client.getObjectDatabase().has(blob.toObjectId()));

 		try (Transport tn = testProtocol.open(uri, client, "server")) {
 			TransportException e = assertThrows(TransportException.class, () ->
 			tn.fetch(NullProgressMonitor.INSTANCE,
 					Collections.singletonList(new RefSpec(blob.name()))));
 			assertThat(e.getMessage(),
 					containsString("want " + blob.name() + " not valid"));
 		}
 	}

 	@Test
 	public void testFetchReachableBlobWithBitmap() throws Exception {
 		RevBlob blob = remote.blob("foo");
 		RevCommit commit = remote.commit(remote.tree(remote.file("foo", blob)));
 		remote.update("master", commit);
 		generateBitmaps(server);

 		testProtocol = generateReachableCommitUploadPackProtocol();
 		uri = testProtocol.register(ctx, server);

 		assertFalse(client.getObjectDatabase().has(blob.toObjectId()));

 		try (Transport tn = testProtocol.open(uri, client, "server")) {
 			tn.fetch(NullProgressMonitor.INSTANCE,
 					Collections.singletonList(new RefSpec(blob.name())));
 			assertTrue(client.getObjectDatabase().has(blob.toObjectId()));
 		}
 	}

 	@Test
 	public void testFetchReachableCommitWithBitmap() throws Exception {
 		RevCommit commit = remote
 				.commit(remote.tree(remote.file("foo", remote.blob("foo"))));
 		remote.update("master", commit);
 		generateBitmaps(server);

 		testProtocol = generateReachableCommitUploadPackProtocol();
 		uri = testProtocol.register(ctx, server);

 		assertFalse(client.getObjectDatabase().has(commit.toObjectId()));

 		try (Transport tn = testProtocol.open(uri, client, "server")) {
 			tn.fetch(NullProgressMonitor.INSTANCE,
 					Collections.singletonList(new RefSpec(commit.name())));
 			assertTrue(client.getObjectDatabase().has(commit.toObjectId()));
 		}
 	}

 	@Test
 	public void testFetchReachableCommitWithoutBitmap() throws Exception {
 		RevCommit commit = remote
 				.commit(remote.tree(remote.file("foo", remote.blob("foo"))));
 		remote.update("master", commit);
 		generateBitmaps(server);

 		testProtocol = generateReachableCommitUploadPackProtocol();
 		uri = testProtocol.register(ctx, server);

 		assertFalse(client.getObjectDatabase().has(commit.toObjectId()));

 		try (Transport tn = testProtocol.open(uri, client, "server")) {
 			tn.fetch(NullProgressMonitor.INSTANCE,
 					Collections.singletonList(new RefSpec(commit.name())));
 			assertTrue(client.getObjectDatabase().has(commit.toObjectId()));
 		}
 	}

 	@Test
 	public void testFetchUnreachableCommitWithBitmap() throws Exception {
 		RevCommit commit = remote
 				.commit(remote.tree(remote.file("foo", remote.blob("foo"))));
 		generateBitmaps(server);

 		testProtocol = generateReachableCommitUploadPackProtocol();
 		uri = testProtocol.register(ctx, server);

 		assertFalse(client.getObjectDatabase().has(commit.toObjectId()));

 		try (Transport tn = testProtocol.open(uri, client, "server")) {
 			TransportException e = assertThrows(TransportException.class,
 					() -> tn.fetch(NullProgressMonitor.INSTANCE,
 					Collections.singletonList(new RefSpec(commit.name()))));
 			assertThat(e.getMessage(),
 					containsString("want " + commit.name() + " not valid"));
 		}
 	}

 	@Test
 	public void testFetchUnreachableCommitWithoutBitmap() throws Exception {
 		RevCommit commit = remote
 				.commit(remote.tree(remote.file("foo", remote.blob("foo"))));

 		testProtocol = generateReachableCommitUploadPackProtocol();
 		uri = testProtocol.register(ctx, server);

 		assertFalse(client.getObjectDatabase().has(commit.toObjectId()));

 		try (Transport tn = testProtocol.open(uri, client, "server")) {
 			TransportException e = assertThrows(TransportException.class,
 					() -> tn.fetch(NullProgressMonitor.INSTANCE, Collections
 							.singletonList(new RefSpec(commit.name()))));
 			assertThat(e.getMessage(),
 					containsString("want " + commit.name() + " not valid"));
 		}
 	}

 	private static InMemoryRepository newRepo(String name) {
 		return new InMemoryRepository(new DfsRepositoryDescription(name));
 	}

 	private void generateBitmaps(InMemoryRepository repo) throws Exception {
 		new DfsGarbageCollector(repo).pack(null);
 		repo.scanForRepoChanges();
 	}

 	private static TestProtocol<Object> generateReachableCommitUploadPackProtocol() {
 		return new TestProtocol<>(new UploadPackFactory<Object>() {
 			@Override
 			public UploadPack create(Object req, Repository db)
 					throws ServiceNotEnabledException,
 					ServiceNotAuthorizedException {
 				UploadPack up = new UploadPack(db);
 				up.setRequestPolicy(RequestPolicy.REACHABLE_COMMIT);
 				return up;
 			}
 		}, null);
 	}
 }
	/*
	* Copyright (C) 2019, Google LLC.
	* 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.transport;

	import static org.eclipse.jgit.lib.MoreAsserts.assertThrows;
	import static org.hamcrest.Matchers.containsString;
	import static org.junit.Assert.assertFalse;
	import static org.junit.Assert.assertThat;
	import static org.junit.Assert.assertTrue;

	import java.util.Collections;

	import org.eclipse.jgit.errors.TransportException;
	import org.eclipse.jgit.internal.storage.dfs.DfsGarbageCollector;
	import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
	import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
	import org.eclipse.jgit.junit.TestRepository;
	import org.eclipse.jgit.lib.NullProgressMonitor;
	import org.eclipse.jgit.lib.Repository;
	import org.eclipse.jgit.revwalk.RevBlob;
	import org.eclipse.jgit.revwalk.RevCommit;
	import org.eclipse.jgit.transport.UploadPack.RequestPolicy;
	import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
	import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
	import org.eclipse.jgit.transport.resolver.UploadPackFactory;
	import org.junit.After;
	import org.junit.Before;
	import org.junit.Rule;
	import org.junit.Test;
	import org.junit.rules.ExpectedException;

	/**
	* Test combinations of:
	* <ul>
	* <li>Fetch a blob or a commit</li>
	* <li>Fetched object is reachable or not</li>
	* <li>With and without bitmaps</li>
	* </ul>
	*/
	public class UploadPackReachabilityTest {

	@Rule
	public ExpectedException thrown = ExpectedException.none();

	private URIish uri;

	private TestProtocol<Object> testProtocol;

	private Object ctx = new Object();

	private InMemoryRepository server;

	private InMemoryRepository client;

	private TestRepository<InMemoryRepository> remote;

	@Before
	public void setUp() throws Exception {
	server = newRepo("server");
	client = newRepo("client");

	remote = new TestRepository<>(server);
	}

	@After
	public void tearDown() {
	Transport.unregister(testProtocol);
	}

	@Test
	public void testFetchUnreachableBlobWithBitmap() throws Exception {
	RevBlob blob = remote.blob("foo");
	remote.commit(remote.tree(remote.file("foo", blob)));
	generateBitmaps(server);

	testProtocol = generateReachableCommitUploadPackProtocol();
	uri = testProtocol.register(ctx, server);

	assertFalse(client.getObjectDatabase().has(blob.toObjectId()));

	try (Transport tn = testProtocol.open(uri, client, "server")) {
	TransportException e = assertThrows(TransportException.class,
	() -> tn.fetch(NullProgressMonitor.INSTANCE, Collections
	.singletonList(new RefSpec(blob.name()))));
	assertThat(e.getMessage(),
	containsString("want " + blob.name() + " not valid"));
	}
	}

	@Test
	public void testFetchReachableBlobWithoutBitmap() throws Exception {
	RevBlob blob = remote.blob("foo");
	RevCommit commit = remote.commit(remote.tree(remote.file("foo", blob)));
	remote.update("master", commit);

	testProtocol = generateReachableCommitUploadPackProtocol();
	uri = testProtocol.register(ctx, server);

	assertFalse(client.getObjectDatabase().has(blob.toObjectId()));

	try (Transport tn = testProtocol.open(uri, client, "server")) {
	TransportException e = assertThrows(TransportException.class,
	() -> tn.fetch(NullProgressMonitor.INSTANCE, Collections
	.singletonList(new RefSpec(blob.name()))));
	assertThat(e.getMessage(),
	containsString(
	"want " + blob.name() + " not valid"));
	}
	}

	@Test
	public void testFetchReachableBlobWithoutBitmapButFilterAllowed() throws Exception {
	InMemoryRepository server2 = newRepo("server2");
	try (TestRepository<InMemoryRepository> remote2 = new TestRepository<>(
	server2)) {
	RevBlob blob = remote2.blob("foo");
	RevCommit commit = remote2.commit(remote2.tree(remote2.file("foo", blob)));
	remote2.update("master", commit);

	server2.getConfig().setBoolean("uploadpack", null, "allowfilter",
	true);

	testProtocol = new TestProtocol<>((Object req, Repository db) -> {
	UploadPack up = new UploadPack(db);
	up.setRequestPolicy(RequestPolicy.REACHABLE_COMMIT);
	return up;
	}, null);
	uri = testProtocol.register(ctx, server2);

	assertFalse(client.getObjectDatabase().has(blob.toObjectId()));

	try (Transport tn = testProtocol.open(uri, client, "server2")) {
	tn.fetch(NullProgressMonitor.INSTANCE,
	Collections.singletonList(new RefSpec(blob.name())));
	assertTrue(client.getObjectDatabase().has(blob.toObjectId()));
	}
	}
	}

	@Test
	public void testFetchUnreachableBlobWithoutBitmap() throws Exception {
	RevBlob blob = remote.blob("foo");
	remote.commit(remote.tree(remote.file("foo", blob)));

	testProtocol = generateReachableCommitUploadPackProtocol();
	uri = testProtocol.register(ctx, server);

	assertFalse(client.getObjectDatabase().has(blob.toObjectId()));

	try (Transport tn = testProtocol.open(uri, client, "server")) {
	TransportException e = assertThrows(TransportException.class, () ->
	tn.fetch(NullProgressMonitor.INSTANCE,
	Collections.singletonList(new RefSpec(blob.name()))));
	assertThat(e.getMessage(),
	containsString("want " + blob.name() + " not valid"));
	}
	}

	@Test
	public void testFetchReachableBlobWithBitmap() throws Exception {
	RevBlob blob = remote.blob("foo");
	RevCommit commit = remote.commit(remote.tree(remote.file("foo", blob)));
	remote.update("master", commit);
	generateBitmaps(server);

	testProtocol = generateReachableCommitUploadPackProtocol();
	uri = testProtocol.register(ctx, server);

	assertFalse(client.getObjectDatabase().has(blob.toObjectId()));

	try (Transport tn = testProtocol.open(uri, client, "server")) {
	tn.fetch(NullProgressMonitor.INSTANCE,
	Collections.singletonList(new RefSpec(blob.name())));
	assertTrue(client.getObjectDatabase().has(blob.toObjectId()));
	}
	}

	@Test
	public void testFetchReachableCommitWithBitmap() throws Exception {
	RevCommit commit = remote
	.commit(remote.tree(remote.file("foo", remote.blob("foo"))));
	remote.update("master", commit);
	generateBitmaps(server);

	testProtocol = generateReachableCommitUploadPackProtocol();
	uri = testProtocol.register(ctx, server);

	assertFalse(client.getObjectDatabase().has(commit.toObjectId()));

	try (Transport tn = testProtocol.open(uri, client, "server")) {
	tn.fetch(NullProgressMonitor.INSTANCE,
	Collections.singletonList(new RefSpec(commit.name())));
	assertTrue(client.getObjectDatabase().has(commit.toObjectId()));
	}
	}

	@Test
	public void testFetchReachableCommitWithoutBitmap() throws Exception {
	RevCommit commit = remote
	.commit(remote.tree(remote.file("foo", remote.blob("foo"))));
	remote.update("master", commit);
	generateBitmaps(server);

	testProtocol = generateReachableCommitUploadPackProtocol();
	uri = testProtocol.register(ctx, server);

	assertFalse(client.getObjectDatabase().has(commit.toObjectId()));

	try (Transport tn = testProtocol.open(uri, client, "server")) {
	tn.fetch(NullProgressMonitor.INSTANCE,
	Collections.singletonList(new RefSpec(commit.name())));
	assertTrue(client.getObjectDatabase().has(commit.toObjectId()));
	}
	}

	@Test
	public void testFetchUnreachableCommitWithBitmap() throws Exception {
	RevCommit commit = remote
	.commit(remote.tree(remote.file("foo", remote.blob("foo"))));
	generateBitmaps(server);

	testProtocol = generateReachableCommitUploadPackProtocol();
	uri = testProtocol.register(ctx, server);

	assertFalse(client.getObjectDatabase().has(commit.toObjectId()));

	try (Transport tn = testProtocol.open(uri, client, "server")) {
	TransportException e = assertThrows(TransportException.class,
	() -> tn.fetch(NullProgressMonitor.INSTANCE,
	Collections.singletonList(new RefSpec(commit.name()))));
	assertThat(e.getMessage(),
	containsString("want " + commit.name() + " not valid"));
	}
	}

	@Test
	public void testFetchUnreachableCommitWithoutBitmap() throws Exception {
	RevCommit commit = remote
	.commit(remote.tree(remote.file("foo", remote.blob("foo"))));

	testProtocol = generateReachableCommitUploadPackProtocol();
	uri = testProtocol.register(ctx, server);

	assertFalse(client.getObjectDatabase().has(commit.toObjectId()));

	try (Transport tn = testProtocol.open(uri, client, "server")) {
	TransportException e = assertThrows(TransportException.class,
	() -> tn.fetch(NullProgressMonitor.INSTANCE, Collections
	.singletonList(new RefSpec(commit.name()))));
	assertThat(e.getMessage(),
	containsString("want " + commit.name() + " not valid"));
	}
	}

	private static InMemoryRepository newRepo(String name) {
	return new InMemoryRepository(new DfsRepositoryDescription(name));
	}

	private void generateBitmaps(InMemoryRepository repo) throws Exception {
	new DfsGarbageCollector(repo).pack(null);
	repo.scanForRepoChanges();
	}

	private static TestProtocol<Object> generateReachableCommitUploadPackProtocol() {
	return new TestProtocol<>(new UploadPackFactory<Object>() {
	@Override
	public UploadPack create(Object req, Repository db)
	throws ServiceNotEnabledException,
	ServiceNotAuthorizedException {
	UploadPack up = new UploadPack(db);
	up.setRequestPolicy(RequestPolicy.REACHABLE_COMMIT);
	return up;
	}
	}, null);
	}
	}