Add GitCheckoutTask to org.eclipse.jgit.ant

Bug: 321237
Change-Id: I5c4753f7b99d0be002b32e403f5dfff9353c57b0
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>

diff --git a/org.eclipse.jgit.ant/resources/org/eclipse/jgit/ant/ant-tasks.properties b/org.eclipse.jgit.ant/resources/org/eclipse/jgit/ant/ant-tasks.properties
index 8aa1fbfce62f56a8418bfd68abd7d326a3755947..b0454a14d6e3d887394771d8ffb5af3e86328e27 100644 (file)
--- a/org.eclipse.jgit.ant/resources/org/eclipse/jgit/ant/ant-tasks.properties
+++ b/org.eclipse.jgit.ant/resources/org/eclipse/jgit/ant/ant-tasks.properties
@@ -1,2 +1,3 @@
 git-init=org.eclipse.jgit.ant.tasks.GitInitTask
-git-clone=org.eclipse.jgit.ant.tasks.GitCloneTask
\ No newline at end of file
+git-clone=org.eclipse.jgit.ant.tasks.GitCloneTask
+git-checkout=org.eclipse.jgit.ant.tasks.GitCheckoutTask
\ No newline at end of file

diff --git a/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitCheckoutTask.java b/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitCheckoutTask.java
new file mode 100644 (file)
index 0000000..92c74f6
--- /dev/null
+++ b/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitCheckoutTask.java
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2011, Ketan Padegaonkar <KetanPadegaonkar@gmail.com>
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.eclipse.jgit.ant.tasks;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Task;
+import org.eclipse.jgit.api.CheckoutCommand;
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
+
+/**
+ * Checkout a branch or paths to the working tree.
+ * 
+ * @see <a
+ *      href="http://www.kernel.org/pub/software/scm/git/docs/git-checkout.html"
+ *      >git-checkout(1)</a>
+ */
+public class GitCheckoutTask extends Task {
+
+       private File src;
+       private String branch;
+       private boolean createBranch;
+       private boolean force;
+
+       /**
+        * @param src
+        *            the src to set
+        */
+       public void setSrc(File src) {
+               this.src = src;
+       }
+
+       /**
+        * @param branch
+        *            the initial branch to check out
+        */
+       public void setBranch(String branch) {
+               this.branch = branch;
+       }
+
+       /**
+        * @param createBranch
+        *            whether the branch should be created if it does not already
+        *            exist
+        */
+       public void setCreateBranch(boolean createBranch) {
+               this.createBranch = createBranch;
+       }
+
+       /**
+        * @param force
+        *            if <code>true</code> and the branch with the given name
+        *            already exists, the start-point of an existing branch will be
+        *            set to a new start-point; if false, the existing branch will
+        *            not be changed
+        * @return this instance
+        */
+       public void setForce(boolean force) {
+               this.force = force;
+       }
+
+       @Override
+       public void execute() throws BuildException {
+               CheckoutCommand checkout;
+               try {
+                       Repository repo = new FileRepositoryBuilder().readEnvironment()
+                                       .findGitDir(src).build();
+                       checkout = new Git(repo).checkout();
+               } catch (IOException e) {
+                       throw new BuildException("Could not access repository " + src, e);
+               }
+
+               try {
+                       checkout.setCreateBranch(createBranch).setForce(force)
+                                       .setName(branch);
+                       checkout.call();
+               } catch (Exception e) {
+                       throw new BuildException("Could not checkout repository " + src, e);
+               }
+       }
+
+}