Add git-clone to the Git API

Enhance the Git API to support cloning repositories.

Bug: 334763
Change-Id: Ibe1191498dceb9cbd1325aed85b4c403db19f41e
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>

1 files changed, 129 insertions, 0 deletions

diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CloneCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CloneCommandTest.java
new file mode 100644
index 0000000000..eb671a2899
--- /dev/null
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CloneCommandTest.java
@@ -0,0 +1,129 @@
+/*
+ * 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;
+	}
+
+}