--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/tmatesoft/hg/core/HgInitCommand.java	Fri Jun 07 12:32:15 2013 +0200
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2013 TMate Software Ltd
+ *  
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * For information on how to redistribute this software under
+ * the terms of a license other than GNU General Public License
+ * contact TMate Software at support@hg4j.com
+ */
+package org.tmatesoft.hg.core;
+
+import static org.tmatesoft.hg.internal.RequiresFile.*;
+
+import java.io.File;
+
+import org.tmatesoft.hg.internal.RepoInitializer;
+import org.tmatesoft.hg.repo.HgLookup;
+import org.tmatesoft.hg.repo.HgRepository;
+import org.tmatesoft.hg.util.CancelledException;
+
+/**
+ * Initialize empty local repository. 
+ * <p>
+ * Two predefined alternatives are available, {@link #revlogV0() old} and {@link #revlogV1() new} mercurial format respectively.
+ * <p>
+ * Specific requirements may be turned off/on as needed if you know what you're doing.
+ * 
+ * @see http://mercurial.selenic.com/wiki/RequiresFile
+ * @author Artem Tikhomirov
+ * @author TMate Software Ltd.
+ */
+public class HgInitCommand extends HgAbstractCommand<HgInitCommand> {
+	private static final int V1_DEFAULT = REVLOGV1 | STORE | FNCACHE | DOTENCODE;
+	
+	private final HgLookup hgLookup;
+	private File location;
+	private int requiresFlags;
+	
+	public HgInitCommand() {
+		this(null);
+	}
+
+	public HgInitCommand(HgLookup lookupEnv) {
+		hgLookup = lookupEnv;
+		requiresFlags = V1_DEFAULT;
+	}
+	
+	public HgInitCommand location(File repoLoc) {
+		location = repoLoc;
+		return this;
+	}
+	
+	public HgInitCommand revlogV0() {
+		requiresFlags = REVLOGV0;
+		return this;
+	}
+	
+	public HgInitCommand revlogV1() {
+		requiresFlags = V1_DEFAULT;
+		return this;
+	}
+	
+	public HgInitCommand store(boolean enable) {
+		return switchFlag(STORE, enable);
+	}
+	
+	public HgInitCommand fncache(boolean enable) {
+		return switchFlag(FNCACHE, enable);
+	}
+	
+	public HgInitCommand dotencode(boolean enable) {
+		return switchFlag(DOTENCODE, enable);
+	}
+
+	public HgRepository execute() throws HgRepositoryNotFoundException, HgException, CancelledException {
+		if (location == null) {
+			throw new IllegalArgumentException();
+		}
+		File repoDir;
+		if (".hg".equals(location.getName())) {
+			repoDir = location;
+		} else {
+			repoDir = new File(location, ".hg");
+		}
+		new RepoInitializer().setRequires(requiresFlags).initEmptyRepository(repoDir);
+		return getNewRepository();
+	}
+	
+	public HgRepository getNewRepository() throws HgRepositoryNotFoundException {
+		HgLookup l = hgLookup == null ? new HgLookup() : hgLookup;
+		return l.detect(location);
+	}
+	
+	private HgInitCommand switchFlag(int flag, boolean enable) {
+		if (enable) {
+			requiresFlags |= flag;
+		} else {
+			requiresFlags &= ~flag;
+		}
+		return this;
+	}
+}