--- /dev/null
+/*
+ * Copyright (C) 2011, Chris Aniszczyk <caniszczyk@gmail.com>
+ * 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.api;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.fail;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.lib.RefUpdate;
+import org.eclipse.jgit.lib.RepositoryTestCase;
+import org.junit.Test;
+
+public class CloneCommandTest extends RepositoryTestCase {
+
+ private Git git;
+
+ public void setUp() throws Exception {
+ super.setUp();
+ git = new Git(db);
+ // commit something
+ writeTrashFile("Test.txt", "Hello world");
+ git.add().addFilepattern("Test.txt").call();
+ git.commit().setMessage("Initial commit").call();
+
+ // create a master branch and switch to it
+ git.branchCreate().setName("test").call();
+ RefUpdate rup = db.updateRef(Constants.HEAD);
+ rup.link("refs/heads/test");
+
+ // commit something on the test branch
+ writeTrashFile("Test.txt", "Some change");
+ git.add().addFilepattern("Test.txt").call();
+ git.commit().setMessage("Second commit").call();
+ }
+
+ @Test
+ public void testCloneRepository() {
+ try {
+ File directory = createTempDirectory("testCloneRepository");
+ CloneCommand command = Git.cloneRepository();
+ command.setDirectory(directory);
+ command.setURI("file://"
+ + git.getRepository().getWorkTree().getPath());
+ Git git2 = command.call();
+ assertNotNull(git2);
+ } catch (Exception e) {
+ fail(e.getMessage());
+ }
+ }
+
+ @Test
+ public void testCloneRepositoryWithBranch() {
+ try {
+ File directory = createTempDirectory("testCloneRepositoryWithBranch");
+ CloneCommand command = Git.cloneRepository();
+ command.setBranch("refs/heads/test");
+ command.setDirectory(directory);
+ command.setURI("file://"
+ + git.getRepository().getWorkTree().getPath());
+ Git git2 = command.call();
+ assertNotNull(git2);
+ assertEquals(git2.getRepository().getFullBranch(),
+ "refs/heads/test");
+ } catch (Exception e) {
+ fail(e.getMessage());
+ }
+ }
+
+ public static File createTempDirectory(String name) throws IOException {
+ final File temp;
+ temp = File.createTempFile(name, Long.toString(System.nanoTime()));
+
+ if (!(temp.delete())) {
+ throw new IOException("Could not delete temp file: "
+ + temp.getAbsolutePath());
+ }
+
+ if (!(temp.mkdir())) {
+ throw new IOException("Could not create temp directory: "
+ + temp.getAbsolutePath());
+ }
+ return temp;
+ }
+
+}
--- /dev/null
+/*
+ * Copyright (C) 2011, Chris Aniszczyk <caniszczyk@gmail.com>
+ * 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.api;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.util.concurrent.Callable;
+
+import org.eclipse.jgit.api.errors.InvalidRemoteException;
+import org.eclipse.jgit.api.errors.JGitInternalException;
+import org.eclipse.jgit.dircache.DirCache;
+import org.eclipse.jgit.dircache.DirCacheCheckout;
+import org.eclipse.jgit.errors.IncorrectObjectTypeException;
+import org.eclipse.jgit.errors.MissingObjectException;
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.lib.NullProgressMonitor;
+import org.eclipse.jgit.lib.ProgressMonitor;
+import org.eclipse.jgit.lib.Ref;
+import org.eclipse.jgit.lib.RefUpdate;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.revwalk.RevWalk;
+import org.eclipse.jgit.transport.CredentialsProvider;
+import org.eclipse.jgit.transport.FetchResult;
+import org.eclipse.jgit.transport.RefSpec;
+import org.eclipse.jgit.transport.RemoteConfig;
+import org.eclipse.jgit.transport.URIish;
+
+/**
+ * Clone a repository into a new working directory
+ *
+ * @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-clone.html"
+ * >Git documentation about Clone</a>
+ */
+public class CloneCommand implements Callable<Git> {
+
+ private String uri;
+
+ private File directory;
+
+ private boolean bare;
+
+ private String remote = Constants.DEFAULT_REMOTE_NAME;
+
+ private String branch = Constants.HEAD;
+
+ private ProgressMonitor monitor = NullProgressMonitor.INSTANCE;
+
+ private CredentialsProvider credentialsProvider;
+
+ /**
+ * Executes the {@code Clone} command.
+ *
+ * @throws JGitInternalException
+ * if the repository can't be created
+ * @return the newly created {@code Git} object with associated repository
+ */
+ public Git call() throws JGitInternalException {
+ try {
+ URIish u = new URIish(uri);
+ Repository repository = init(u);
+ FetchResult result = fetch(repository, u);
+ checkout(repository, result);
+ return new Git(repository);
+ } catch (IOException ioe) {
+ throw new JGitInternalException(ioe.getMessage(), ioe);
+ } catch (InvalidRemoteException e) {
+ throw new JGitInternalException(e.getMessage(), e);
+ } catch (URISyntaxException e) {
+ throw new JGitInternalException(e.getMessage(), e);
+ }
+ }
+
+ private Repository init(URIish u) {
+ InitCommand command = Git.init();
+ command.setBare(bare);
+ if (directory == null)
+ directory = new File(u.getHumanishName(), Constants.DOT_GIT);
+ command.setDirectory(directory);
+ return command.call().getRepository();
+ }
+
+ private FetchResult fetch(Repository repo, URIish u)
+ throws URISyntaxException,
+ JGitInternalException,
+ InvalidRemoteException, IOException {
+ // create the remote config and save it
+ RemoteConfig config = new RemoteConfig(repo.getConfig(), remote);
+ config.addURI(u);
+
+ final String dst = Constants.R_REMOTES + config.getName();
+ RefSpec refSpec = new RefSpec();
+ refSpec = refSpec.setForceUpdate(true);
+ refSpec = refSpec.setSourceDestination(Constants.R_HEADS + "*", dst + "/*"); //$NON-NLS-1$ //$NON-NLS-2$
+
+ config.addFetchRefSpec(refSpec);
+ config.update(repo.getConfig());
+ repo.getConfig().save();
+
+ // run the fetch command
+ FetchCommand command = new FetchCommand(repo);
+ command.setRemote(remote);
+ command.setProgressMonitor(monitor);
+ if (credentialsProvider != null)
+ command.setCredentialsProvider(credentialsProvider);
+ return command.call();
+ }
+
+ private void checkout(Repository repo, FetchResult result)
+ throws JGitInternalException,
+ MissingObjectException, IncorrectObjectTypeException, IOException {
+
+ if (branch.startsWith(Constants.R_HEADS)) {
+ final RefUpdate head = repo.updateRef(Constants.HEAD);
+ head.disableRefLog();
+ head.link(branch);
+ }
+
+ final Ref head = result.getAdvertisedRef(branch);
+ if (head == null || head.getObjectId() == null)
+ return; // throw exception?
+
+ final RevCommit commit = parseCommit(repo, head);
+
+ boolean detached = !head.getName().startsWith(Constants.R_HEADS);
+ RefUpdate u = repo.updateRef(Constants.HEAD, detached);
+ u.setNewObjectId(commit.getId());
+ u.forceUpdate();
+
+ DirCache dc = repo.lockDirCache();
+ DirCacheCheckout co = new DirCacheCheckout(repo, dc, commit.getTree());
+ co.checkout();
+ }
+
+ private RevCommit parseCommit(final Repository repo, final Ref ref)
+ throws MissingObjectException, IncorrectObjectTypeException,
+ IOException {
+ final RevWalk rw = new RevWalk(repo);
+ final RevCommit commit;
+ try {
+ commit = rw.parseCommit(ref.getObjectId());
+ } finally {
+ rw.release();
+ }
+ return commit;
+ }
+
+ /**
+ * @param uri
+ * the uri to clone from
+ * @return this instance
+ */
+ public CloneCommand setURI(String uri) {
+ this.uri = uri;
+ return this;
+ }
+
+ /**
+ * The optional directory associated with the clone operation. If the
+ * directory isn't set, a name associated with the source uri will be used.
+ *
+ * @see URIish#getHumanishName()
+ *
+ * @param directory
+ * the directory to clone to
+ * @return this instance
+ */
+ public CloneCommand setDirectory(File directory) {
+ this.directory = directory;
+ return this;
+ }
+
+ /**
+ * @param bare
+ * whether the cloned repository is bare or not
+ * @return this instance
+ */
+ public CloneCommand setBare(boolean bare) {
+ this.bare = bare;
+ return this;
+ }
+
+ /**
+ * @param remote
+ * the branch to keep track of in the origin repository
+ * @return this instance
+ */
+ public CloneCommand setRemote(String remote) {
+ this.remote = remote;
+ return this;
+ }
+
+ /**
+ * @param branch
+ * the initial branch to check out when cloning the repository
+ * @return this instance
+ */
+ public CloneCommand setBranch(String branch) {
+ this.branch = branch;
+ return this;
+ }
+
+ /**
+ * The progress monitor associated with the clone operation. By default,
+ * this is set to <code>NullProgressMonitor</code>
+ *
+ * @see NullProgressMonitor
+ *
+ * @param monitor
+ * @return {@code this}
+ */
+ public CloneCommand setProgressMonitor(ProgressMonitor monitor) {
+ this.monitor = monitor;
+ return this;
+ }
+
+ /**
+ * @param credentialsProvider
+ * the {@link CredentialsProvider} to use
+ * @return {@code this}
+ */
+ public CloneCommand setCredentialsProvider(
+ CredentialsProvider credentialsProvider) {
+ this.credentialsProvider = credentialsProvider;
+ return this;
+ }
+
+}