Added support for creating bare repositories

index 197864d..3ab1599 100644
@@ -39,10 +39,14 @@
 
 import java.io.File;
 
+import org.kohsuke.args4j.Option;
 import org.spearce.jgit.lib.Repository;
 
 @Command(common = true, usage = "Create an empty git repository")
 class Init extends TextBuiltin {
+	@Option(name = "--bare", usage = "Create a bare repository")
+	private boolean bare;
+
 	@Override
 	protected final boolean requiresRepository() {
 		return false;

@@ -51,9 +55,9 @@ protected final boolean requiresRepository() {
 	@Override
 	protected void run() throws Exception {
 		if (gitdir == null)
-			gitdir = new File(".git");
+			gitdir = new File(bare ? "." : ".git");
 		db = new Repository(gitdir);
-		db.create();
+		db.create(bare);
 		out.println("Initialized empty Git repository in "
 				+ gitdir.getAbsolutePath());
 	}

index cfd92b8..f2b0b3f 100644
@@ -161,16 +161,30 @@ public Repository(final File d) throws IOException {
 
 	/**
 	 * Create a new Git repository initializing the necessary files and
-	 * directories.
+	 * directories. Repository with working tree is created using this method.
 	 *
 	 * @throws IOException
+	 * @see #create(boolean)
 	 */
 	public synchronized void create() throws IOException {
-		if (gitDir.exists()) {
+		create(false);
+	}
+
+	/**
+	 * Create a new Git repository initializing the necessary files and
+	 * directories.
+	 * 
+	 * @param bare
+	 *            if true, a bare repository is created.
+	 * 
+	 * @throws IOException
+	 *             in case of IO problem
+	 */
+	public void create(boolean bare) throws IOException {
+		if ((bare ? new File(gitDir, "config") : gitDir).exists()) {
 			throw new IllegalStateException("Repository already exists: "
 					+ gitDir);
 		}
-
 		gitDir.mkdirs();
 		refs.create();
 

@@ -183,8 +197,12 @@ public synchronized void create() throws IOException {
 		final String master = Constants.R_HEADS + Constants.MASTER;
 		refs.link(Constants.HEAD, master);
 
-		getConfig().create();
-		getConfig().save();
+		RepositoryConfig cfg = getConfig();
+		cfg.create();
+		if (bare) {
+			cfg.setString("core", null, "bare", "true");
+		}
+		cfg.save();
 	}
 
 	private synchronized File[] objectsDirs(){