1 /*
2 * Copyright (C) 2011, Ketan Padegaonkar <KetanPadegaonkar@gmail.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.ant.tasks;
44
45 import java.io.File;
46 import java.io.IOException;
47
48 import org.apache.tools.ant.BuildException;
49 import org.apache.tools.ant.Task;
50 import org.eclipse.jgit.api.CheckoutCommand;
51 import org.eclipse.jgit.api.Git;
52 import org.eclipse.jgit.lib.Repository;
53 import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
54
55 /**
56 * Checkout a branch or paths to the working tree.
57 *
58 * @see <a
59 * href="http://www.kernel.org/pub/software/scm/git/docs/git-checkout.html"
60 * >git-checkout(1)</a>
61 */
62 public class GitCheckoutTask extends Task {
63
64 private File src;
65 private String branch;
66 private boolean createBranch;
67 private boolean force;
68
69 /**
70 * Set the <code>src</code>
71 *
72 * @param src
73 * the src to set
74 */
75 public void setSrc(File src) {
76 this.src = src;
77 }
78
79 /**
80 * Set <code>branch</code>
81 *
82 * @param branch
83 * the initial branch to check out
84 */
85 public void setBranch(String branch) {
86 this.branch = branch;
87 }
88
89 /**
90 * Set if branch should be created if not yet existing
91 *
92 * @param createBranch
93 * whether the branch should be created if it does not already
94 * exist
95 */
96 public void setCreateBranch(boolean createBranch) {
97 this.createBranch = createBranch;
98 }
99
100 /**
101 * Set <code>force</code>
102 *
103 * @param force
104 * if <code>true</code> and the branch with the given name
105 * already exists, the start-point of an existing branch will be
106 * set to a new start-point; if false, the existing branch will
107 * not be changed
108 */
109 public void setForce(boolean force) {
110 this.force = force;
111 }
112
113 /** {@inheritDoc} */
114 @Override
115 public void execute() throws BuildException {
116 CheckoutCommand checkout;
117 try (Repository repo = new FileRepositoryBuilder().readEnvironment()
118 .findGitDir(src).build();
119 Git git = new Git(repo)) {
120 checkout = git.checkout();
121 } catch (IOException e) {
122 throw new BuildException("Could not access repository " + src, e);
123 }
124
125 try {
126 checkout.setCreateBranch(createBranch).setForce(force)
127 .setName(branch);
128 checkout.call();
129 } catch (Exception e) {
130 throw new BuildException("Could not checkout repository " + src, e);
131 }
132 }
133
134 }