--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/tmatesoft/hg/internal/RepoInitializer.java	Thu Aug 16 17:08:34 2012 +0200
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2012 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.internal;
+
+import static org.tmatesoft.hg.internal.RequiresFile.*;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.charset.Charset;
+
+import org.tmatesoft.hg.core.SessionContext;
+import org.tmatesoft.hg.util.PathRewrite;
+
+/**
+ * Responsible of `requires` processing both on repo read and repo write
+ * XXX needs better name, perhaps
+ * 
+ * @author Artem Tikhomirov
+ * @author TMate Software Ltd.
+ */
+public class RepoInitializer {
+	private int requiresFlags;
+	
+	public RepoInitializer() {
+	}
+	
+	public RepoInitializer setRequires(int flags) {
+		requiresFlags = flags;
+		return this;
+	}
+	
+	public int getRequires() {
+		return requiresFlags;
+	}
+
+	public void initEmptyRepository(File hgDir) throws IOException {
+		hgDir.mkdir();
+		FileOutputStream requiresFile = new FileOutputStream(new File(hgDir, "requires"));
+		StringBuilder sb = new StringBuilder(40);
+		sb.append("revlogv1\n");
+		if ((requiresFlags & STORE) != 0) {
+			sb.append("store\n");
+		}
+		if ((requiresFlags & FNCACHE) != 0) {
+			sb.append("fncache\n");
+		}
+		if ((requiresFlags & DOTENCODE) != 0) {
+			sb.append("dotencode\n");
+		}
+		requiresFile.write(sb.toString().getBytes());
+		requiresFile.close();
+		new File(hgDir, "store").mkdir(); // with that, hg verify says ok.
+	}
+
+	public PathRewrite buildDataFilesHelper(SessionContext ctx) {
+		Charset cs = Internals.getFileEncoding(ctx);
+		// StoragePathHelper needs fine-grained control over char encoding, hence doesn't use EncodingHelper
+		return new StoragePathHelper((requiresFlags & STORE) != 0, (requiresFlags & FNCACHE) != 0, (requiresFlags & DOTENCODE) != 0, cs);
+	}
+}