Add InitCommand

Adds git-init support to the Git API.

Change-Id: I1428b861f22cabe4d92cadf3d9114dddeec75b40
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>

2 files changed, 134 insertions, 1 deletions

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
index 8623bb76a4..8564570d34 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
@@ -258,7 +258,7 @@ public class Git {
 
 	/**
 	 * Returns a command object to execute a {@code rm} command
-	 * 
+	 *
 	 * @see <a
 	 *      href="http://www.kernel.org/pub/software/scm/git/docs/git-rm.html"
 	 *      >Git documentation about rm</a>
@@ -283,6 +283,19 @@ public class Git {
 	}
 
 	/**
+	 * Returns a command object to execute a {@code init} command
+	 *
+	 * @see <a
+	 *      href="http://www.kernel.org/pub/software/scm/git/docs/git-init.html"
+	 *      >Git documentation about init</a>
+	 * @return a {@link InitCommand} used to collect all optional parameters and
+	 *         to finally execute the {@code init} command
+	 */
+	static public InitCommand init() {
+		return new InitCommand();
+	}
+
+	/**
 	 * @return the git repository this class is interacting with
 	 */
 	public Repository getRepository() {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/InitCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/InitCommand.java
new file mode 100644
index 0000000000..fdadf9690d
--- /dev/null
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/InitCommand.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2010, 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.util.concurrent.Callable;
+
+import org.eclipse.jgit.api.errors.JGitInternalException;
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.lib.RepositoryBuilder;
+
+/**
+ * Create an empty git repository
+ *
+ * @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-init.html"
+ *      >Git documentation about init</a>
+ */
+public class InitCommand implements Callable<Git> {
+	private File directory;
+
+	private boolean bare;
+
+	/**
+	 * Executes the {@code Init} 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 {
+			RepositoryBuilder builder = new RepositoryBuilder();
+			if (bare)
+				builder.setBare();
+			builder.readEnvironment();
+			if (directory != null) {
+				File d = directory;
+				if (!bare)
+					d = new File(d, Constants.DOT_GIT);
+				builder.setGitDir(d);
+			} else if (builder.getGitDir() == null) {
+				File d = new File(".");
+				if (!bare)
+					d = new File(d, Constants.DOT_GIT);
+				builder.setGitDir(d);
+			}
+			Repository repository = builder.build();
+			repository.create(bare);
+			return new Git(repository);
+		} catch (IOException e) {
+			throw new JGitInternalException(e.getMessage(), e);
+		}
+	}
+
+	/**
+	 * The optional directory associated with the init operation. If no
+	 * directory is set, we'll use the current directory
+	 *
+	 * @param directory
+	 *            the directory to init to
+	 * @return this instance
+	 */
+	public InitCommand setDirectory(File directory) {
+		this.directory = directory;
+		return this;
+	}
+
+	/**
+	 * @param bare
+	 *            whether the repository is bare or not
+	 * @return this instance
+	 */
+	public InitCommand setBare(boolean bare) {
+		this.bare = bare;
+		return this;
+	}
+
+}