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1   /*
2    * Copyright (C) 2010, Chris Aniszczyk <caniszczyk@gmail.com>
3    * Copyright (C) 2009, Google Inc.
4    * Copyright (C) 2008, Charles O'Farrell <charleso@charleso.org>
5    * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg.lists@dewire.com>
6    * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
7    * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
8    * and other copyright owners as documented in the project's IP log.
9    *
10   * This program and the accompanying materials are made available
11   * under the terms of the Eclipse Distribution License v1.0 which
12   * accompanies this distribution, is reproduced below, and is
13   * available at http://www.eclipse.org/org/documents/edl-v10.php
14   *
15   * All rights reserved.
16   *
17   * Redistribution and use in source and binary forms, with or
18   * without modification, are permitted provided that the following
19   * conditions are met:
20   *
21   * - Redistributions of source code must retain the above copyright
22   *   notice, this list of conditions and the following disclaimer.
23   *
24   * - Redistributions in binary form must reproduce the above
25   *   copyright notice, this list of conditions and the following
26   *   disclaimer in the documentation and/or other materials provided
27   *   with the distribution.
28   *
29   * - Neither the name of the Eclipse Foundation, Inc. nor the
30   *   names of its contributors may be used to endorse or promote
31   *   products derived from this software without specific prior
32   *   written permission.
33   *
34   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
35   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
36   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
38   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
39   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
43   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
46   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
47   */
48  
49  package org.eclipse.jgit.pgm;
50  
51  import java.text.MessageFormat;
52  import java.util.List;
53  
54  import org.eclipse.jgit.api.Git;
55  import org.eclipse.jgit.api.ListTagCommand;
56  import org.eclipse.jgit.api.TagCommand;
57  import org.eclipse.jgit.api.errors.RefAlreadyExistsException;
58  import org.eclipse.jgit.lib.ObjectId;
59  import org.eclipse.jgit.lib.Ref;
60  import org.eclipse.jgit.lib.Repository;
61  import org.eclipse.jgit.pgm.internal.CLIText;
62  import org.eclipse.jgit.revwalk.RevWalk;
63  import org.kohsuke.args4j.Argument;
64  import org.kohsuke.args4j.Option;
65  
66  @Command(common = true, usage = "usage_CreateATag")
67  class Tag extends TextBuiltin {
68  	@Option(name = "-f", usage = "usage_forceReplacingAnExistingTag")
69  	private boolean force;
70  
71  	@Option(name = "-d", usage = "usage_tagDelete")
72  	private boolean delete;
73  
74  	@Option(name = "-m", metaVar = "metaVar_message", usage = "usage_tagMessage")
75  	private String message = ""; //$NON-NLS-1$
76  
77  	@Argument(index = 0, metaVar = "metaVar_name")
78  	private String tagName;
79  
80  	@Argument(index = 1, metaVar = "metaVar_object")
81  	private ObjectId object;
82  
83  	/** {@inheritDoc} */
84  	@Override
85  	protected void run() throws Exception {
86  		try (Git git = new Git(db)) {
87  			if (tagName != null) {
88  				if (delete) {
89  					List<String> deletedTags = git.tagDelete().setTags(tagName)
90  							.call();
91  					if (deletedTags.isEmpty()) {
92  						throw die(MessageFormat
93  								.format(CLIText.get().tagNotFound, tagName));
94  					}
95  				} else {
96  					TagCommand command = git.tag().setForceUpdate(force)
97  							.setMessage(message).setName(tagName);
98  
99  					if (object != null) {
100 						try (RevWalk walk = new RevWalk(db)) {
101 							command.setObjectId(walk.parseAny(object));
102 						}
103 					}
104 					try {
105 						command.call();
106 					} catch (RefAlreadyExistsException e) {
107 						throw die(MessageFormat.format(
108 								CLIText.get().tagAlreadyExists, tagName));
109 					}
110 				}
111 			} else {
112 				ListTagCommand command = git.tagList();
113 				List<Ref> list = command.call();
114 				for (Ref ref : list) {
115 					outw.println(Repository.shortenRefName(ref.getName()));
116 				}
117 			}
118 		}
119 	}
120 }