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Add ListTagCommand to JGit API

Bug: 355246
Change-Id: I11e019f3c19b4340ac7160ac8fcbadd52499d322
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>
stable-1.1
Ketan Padegaonkar 14 years ago committed by Chris Aniszczyk
parent
commit
e38cf2078d
  1. 36
      org.eclipse.jgit.test/tst/org/eclipse/jgit/api/TagCommandTest.java
  2. 14
      org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
  3. 104
      org.eclipse.jgit/src/org/eclipse/jgit/api/ListTagCommand.java

36
org.eclipse.jgit.test/tst/org/eclipse/jgit/api/TagCommandTest.java

@ -197,4 +197,40 @@ public class TagCommandTest extends RepositoryTestCase {
assertEquals(0, deleted.size());
}
@Test
public void testShouldNotBlowUpIfThereAreNoTagsInRepository()
throws Exception {
Git git = new Git(db);
git.add().addFilepattern("*").call();
git.commit().setMessage("initial commit").call();
List<RevTag> list = git.tagList().call();
assertEquals(0, list.size());
}
@Test
public void testShouldNotBlowUpIfThereAreNoCommitsInRepository()
throws Exception {
Git git = new Git(db);
List<RevTag> list = git.tagList().call();
assertEquals(0, list.size());
}
@Test
public void testListAllTagsInRepositoryInOrder() throws Exception {
Git git = new Git(db);
git.add().addFilepattern("*").call();
git.commit().setMessage("initial commit").call();
git.tag().setName("v3").call();
git.tag().setName("v2").call();
git.tag().setName("v10").call();
List<RevTag> list = git.tagList().call();
assertEquals(3, list.size());
assertEquals("v10", list.get(0).getTagName());
assertEquals("v2", list.get(1).getTagName());
assertEquals("v3", list.get(2).getTagName());
}
}

14
org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java

@ -241,6 +241,16 @@ public class Git {
return new ListBranchCommand(repo);
}
/**
*
* Returns a command object used to list tags
*
* @return a {@link ListTagCommand}
*/
public ListTagCommand tagList() {
return new ListTagCommand(repo);
}
/**
* Returns a command object used to rename branches
*
@ -496,8 +506,8 @@ public class Git {
/**
* Returns a command object used to delete tags
*
* @return a {@link DeleteBranchCommand}
*
* @return a {@link DeleteTagCommand}
*/
public DeleteTagCommand tagDelete() {
return new DeleteTagCommand(repo);

104
org.eclipse.jgit/src/org/eclipse/jgit/api/ListTagCommand.java

@ -0,0 +1,104 @@
/*
* 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.api;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import org.eclipse.jgit.api.errors.JGitInternalException;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevTag;
import org.eclipse.jgit.revwalk.RevWalk;
/**
* Used to obtain a list of tags.
*
* @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-tag.html"
* >Git documentation about Tag</a>
*/
public class ListTagCommand extends GitCommand<List<RevTag>> {
/**
* @param repo
*/
protected ListTagCommand(Repository repo) {
super(repo);
}
/**
* @throws JGitInternalException
* upon internal failure
* @return the tags available
*/
public List<RevTag> call() throws JGitInternalException {
checkCallable();
Map<String, Ref> refList;
List<RevTag> tags = new ArrayList<RevTag>();
RevWalk revWalk = new RevWalk(repo);
try {
refList = repo.getRefDatabase().getRefs(Constants.R_TAGS);
for (Ref ref : refList.values()) {
RevTag tag = revWalk.parseTag(ref.getObjectId());
tags.add(tag);
}
} catch (IOException e) {
throw new JGitInternalException(e.getMessage(), e);
} finally {
revWalk.release();
}
Collections.sort(tags, new Comparator<RevTag>() {
public int compare(RevTag o1, RevTag o2) {
return o1.getTagName().compareTo(o2.getTagName());
}
});
setCallable(false);
return tags;
}
}
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