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1   /*
2    * Copyright (C) 2012, Tomasz Zarna <tomasz.zarna@tasktop.com>
3    * and other copyright owners as documented in the project's IP log.
4    *
5    * This program and the accompanying materials are made available
6    * under the terms of the Eclipse Distribution License v1.0 which
7    * accompanies this distribution, is reproduced below, and is
8    * available at http://www.eclipse.org/org/documents/edl-v10.php
9    *
10   * All rights reserved.
11   *
12   * Redistribution and use in source and binary forms, with or
13   * without modification, are permitted provided that the following
14   * conditions are met:
15   *
16   * - Redistributions of source code must retain the above copyright
17   *   notice, this list of conditions and the following disclaimer.
18   *
19   * - Redistributions in binary form must reproduce the above
20   *   copyright notice, this list of conditions and the following
21   *   disclaimer in the documentation and/or other materials provided
22   *   with the distribution.
23   *
24   * - Neither the name of the Eclipse Foundation, Inc. nor the
25   *   names of its contributors may be used to endorse or promote
26   *   products derived from this software without specific prior
27   *   written permission.
28   *
29   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42   */
43  package org.eclipse.jgit.pgm;
44  
45  import java.util.Collection;
46  
47  import org.eclipse.jgit.api.Git;
48  import org.eclipse.jgit.api.ReflogCommand;
49  import org.eclipse.jgit.lib.Constants;
50  import org.eclipse.jgit.lib.ReflogEntry;
51  import org.eclipse.jgit.lib.Repository;
52  import org.kohsuke.args4j.Argument;
53  
54  @Command(common = true, usage = "usage_manageReflogInformation")
55  class Reflog extends TextBuiltin {
56  
57  	@Argument(metaVar = "metaVar_ref")
58  	private String ref;
59  
60  	/** {@inheritDoc} */
61  	@Override
62  	protected void run() throws Exception {
63  		try (Git git = new Git(db)) {
64  			ReflogCommand cmd = git.reflog();
65  			if (ref != null)
66  				cmd.setRef(ref);
67  			Collection<ReflogEntry> entries = cmd.call();
68  			int i = 0;
69  			for (ReflogEntry entry : entries) {
70  				outw.println(toString(entry, i++));
71  			}
72  		}
73  	}
74  
75  	private String toString(ReflogEntry entry, int i) {
76  		final StringBuilder s = new StringBuilder();
77  		s.append(entry.getNewId().abbreviate(7).name());
78  		s.append(" "); //$NON-NLS-1$
79  		s.append(ref == null ? Constants.HEAD : Repository.shortenRefName(ref));
80  		s.append("@{" + i + "}:"); //$NON-NLS-1$ //$NON-NLS-2$
81  		s.append(" "); //$NON-NLS-1$
82  		s.append(entry.getComment());
83  		return s.toString();
84  	}
85  }