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    * and other copyright owners as documented in the project's IP log.
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  package org.eclipse.jgit.pgm;
  
  import java.io.File;
  import java.text.MessageFormat;
  
  import org.eclipse.jgit.api.CloneCommand;
  import org.eclipse.jgit.api.Git;
  import org.eclipse.jgit.api.errors.InvalidRemoteException;
  import org.eclipse.jgit.lib.Constants;
  import org.eclipse.jgit.pgm.internal.CLIText;
  import org.eclipse.jgit.transport.URIish;
  import org.eclipse.jgit.util.SystemReader;
  import org.kohsuke.args4j.Argument;
  import org.kohsuke.args4j.Option;
  
  @Command(common = true, usage = "usage_cloneRepositoryIntoNewDir")
  class Clone extends AbstractFetchCommand {
  	@Option(name = "--origin", aliases = { "-o" }, metaVar = "metaVar_remoteName", usage = "usage_useNameInsteadOfOriginToTrackUpstream")
  	private String remoteName = Constants.DEFAULT_REMOTE_NAME;
  
  	@Option(name = "--branch", aliases = { "-b" }, metaVar = "metaVar_branchName", usage = "usage_checkoutBranchAfterClone")
  	private String branch;
  
  	@Option(name = "--no-checkout", aliases = { "-n" }, usage = "usage_noCheckoutAfterClone")
  	private boolean noCheckout;
  
  	@Option(name = "--bare", usage = "usage_bareClone")
  	private boolean isBare;
  
  	@Argument(index = 0, required = true, metaVar = "metaVar_uriish")
  	private String sourceUri;
  
  	@Argument(index = 1, metaVar = "metaVar_directory")
  	private String localName;
  
  	@Override
  	protected final boolean requiresRepository() {
  		return false;
  	}
  
  	@Override
  	protected void run() throws Exception {
  		if (localName != null && gitdir != null)
  			throw die(CLIText.get().conflictingUsageOf_git_dir_andArguments);
  
  		final URIish uri = new URIish(sourceUri);
  		File localNameF;
  		if (localName == null) {
  			try {
  				localName = uri.getHumanishName();
  				localNameF = new File(SystemReader.getInstance().getProperty(
  						Constants.OS_USER_DIR), localName);
  			} catch (IllegalArgumentException e) {
  				throw die(MessageFormat.format(
  						CLIText.get().cannotGuessLocalNameFrom, sourceUri));
  			}
 		} else
 			localNameF = new File(localName);
 
 		if (branch == null)
 			branch = Constants.HEAD;
 
 		CloneCommand command = Git.cloneRepository();
 		command.setURI(sourceUri).setRemote(remoteName).setBare(isBare)
 				.setNoCheckout(noCheckout).setBranch(branch);
 
 		command.setGitDir(gitdir == null ? null : new File(gitdir));
 		command.setDirectory(localNameF);
 		outw.println(MessageFormat.format(CLIText.get().cloningInto, localName));
 		try {
 			db = command.call().getRepository();
 			if (db.resolve(Constants.HEAD) == null)
 				outw.println(CLIText.get().clonedEmptyRepository);
 		} catch (InvalidRemoteException e) {
 			throw die(MessageFormat.format(CLIText.get().doesNotExist,
 					sourceUri));
 		} finally {
 			if (db != null)
 				db.close();
 		}
 
 		outw.println();
 		outw.flush();
 	}
 }