Add GitCloneTask to org.eclipse.jgit.ant

Bug: 321237
Change-Id: I605da8150048158d918c577ef8ca4f6edbed0133
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>

org.eclipse.jgit.ant/resources/org/eclipse/jgit/ant/ant-tasks.properties

@@ -1 +1,2 @@
-git-init=org.eclipse.jgit.ant.tasks.GitInitTask
+git-init=org.eclipse.jgit.ant.tasks.GitInitTask
+git-clone=org.eclipse.jgit.ant.tasks.GitCloneTask

org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitCloneTask.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2011, Ketan Padegaonkar <KetanPadegaonkar@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.ant.tasks;
+
+import java.io.File;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Task;
+import org.eclipse.jgit.api.CloneCommand;
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.api.errors.JGitInternalException;
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.transport.URIish;
+
+/**
+ * Clone a repository into a new directory.
+ * 
+ * @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-clone.html"
+ *      >git-clone(1)</a>
+ */
+public class GitCloneTask extends Task {
+
+	private String uri;
+	private File destination;
+	private boolean bare;
+	private String branch = Constants.HEAD;
+
+	/**
+	 * @param uri
+	 *            the uri to clone from
+	 */
+	public void setUri(String uri) {
+		this.uri = uri;
+	}
+
+	/**
+	 * 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 destination
+	 *            the directory to clone to
+	 */
+	public void setDest(File destination) {
+		this.destination = destination;
+	}
+
+	/**
+	 * @param bare
+	 *            whether the cloned repository is bare or not
+	 */
+	public void setBare(boolean bare) {
+		this.bare = bare;
+	}
+
+	/**
+	 * @param branch
+	 *            the initial branch to check out when cloning the repository
+	 */
+	public void setBranch(String branch) {
+		this.branch = branch;
+	}
+
+	@Override
+	public void execute() throws BuildException {
+		log("Cloning repository " + uri);
+		
+		CloneCommand clone = Git.cloneRepository();
+		clone.setURI(uri).setDirectory(destination).setBranch(branch).setBare(bare);
+		try {
+			clone.call();
+		} catch (JGitInternalException e) {
+			throw new BuildException("Could not clone repository: " + e.getMessage(), e);
+		}
+	}
+}