/*
    * Copyright (C) 2016, Ned Twigg <ned.twigg@diffplug.com> and others
    *
    * This program and the accompanying materials are made available under the
    * terms of the Eclipse Distribution License v. 1.0 which is available at
    * https://www.eclipse.org/org/documents/edl-v10.php.
    *
    * SPDX-License-Identifier: BSD-3-Clause
    */
  
  package org.eclipse.jgit.pgm;
  
  import java.io.IOException;
  import java.text.MessageFormat;
  import java.util.Set;
  
  import org.eclipse.jgit.api.Git;
  import org.eclipse.jgit.api.errors.GitAPIException;
  import org.eclipse.jgit.errors.NoWorkTreeException;
  import org.eclipse.jgit.pgm.internal.CLIText;
  import org.kohsuke.args4j.Option;
  
  @Command(common = true, usage = "usage_Clean")
  class Clean extends TextBuiltin {
  	@Option(name = "-d", usage = "usage_removeUntrackedDirectories")
  	private boolean dirs = false;
  
  	@Option(name = "--force", aliases = {
  			"-f" }, usage = "usage_forceClean")
  	private boolean force = false;
  
  	@Option(name = "--dryRun", aliases = { "-n" })
  	private boolean dryRun = false;
  
  	/** {@inheritDoc} */
  	@Override
  	protected void run() {
  		try (Git git = new Git(db)) {
  			boolean requireForce = git.getRepository().getConfig()
  					.getBoolean("clean", "requireForce", true); //$NON-NLS-1$ //$NON-NLS-2$
  			if (requireForce && !(force || dryRun)) {
  				throw die(CLIText.fatalError(CLIText.get().cleanRequireForce));
  			}
  			// Note that CleanCommand's setForce(true) will delete
  			// .git folders. In the cgit cli, this behavior
  			// requires setting "-f" twice, not sure how to do
  			// this with args4j, so this feature is unimplemented
  			// for now.
  			Set<String> removedFiles = git.clean().setCleanDirectories(dirs)
  					.setDryRun(dryRun).call();
  			for (String removedFile : removedFiles) {
  				outw.println(MessageFormat.format(CLIText.get().removing,
  						removedFile));
  			}
  		} catch (NoWorkTreeException | GitAPIException | IOException e) {
  			throw die(e.getMessage(), e);
  		}
  	}
  }