--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/org/tmatesoft/hg/test/RepoUtils.java	Tue Feb 05 16:36:58 2013 +0100
@@ -0,0 +1,81 @@
+/*
+ * 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.test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.tmatesoft.hg.internal.RequiresFile.*;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+
+import org.tmatesoft.hg.internal.RepoInitializer;
+import org.tmatesoft.hg.repo.HgRepository;
+
+/**
+ * 
+ * @author Artem Tikhomirov
+ * @author TMate Software Ltd.
+ */
+public class RepoUtils {
+
+	static File initEmptyTempRepo(String dirName) throws IOException {
+		File dest = createEmptyDir(dirName);
+		RepoInitializer ri = new RepoInitializer();
+		ri.setRequires(STORE | FNCACHE | DOTENCODE);
+		ri.initEmptyRepository(new File(dest, ".hg"));
+		return dest;
+	}
+
+	static File createEmptyDir(String dirName) throws IOException {
+		File dest = new File(Configuration.get().getTempDir(), dirName);
+		if (dest.exists()) {
+			TestClone.rmdir(dest);
+		}
+		dest.mkdirs();
+		return dest;
+	}
+
+	static File cloneRepoToTempLocation(String configRepoName, String name, boolean noupdate) throws Exception, InterruptedException {
+		return cloneRepoToTempLocation(Configuration.get().find(configRepoName), name, noupdate);
+	}
+
+	static File cloneRepoToTempLocation(HgRepository repo, String name, boolean noupdate) throws IOException, InterruptedException {
+		File testRepoLoc = createEmptyDir(name);
+		ExecHelper eh = new ExecHelper(new OutputParser.Stub(), testRepoLoc.getParentFile());
+		ArrayList<String> cmd = new ArrayList<String>();
+		cmd.add("hg"); cmd.add("clone");
+		if (noupdate) {
+			cmd.add("--noupdate");
+		}
+		cmd.add(repo.getWorkingDir().toString());
+		cmd.add(testRepoLoc.getName());
+		eh.run(cmd.toArray(new String[cmd.size()]));
+		assertEquals("[sanity]", 0, eh.getExitValue());
+		return testRepoLoc;
+	}
+
+	static void modifyFileAppend(File f) throws IOException {
+		assertTrue(f.isFile());
+		FileOutputStream fos = new FileOutputStream(f, true);
+		fos.write("XXX".getBytes());
+		fos.close();
+	}
+
+}