Add ListTagCommand to JGit API
Bug: 355246 Change-Id: I11e019f3c19b4340ac7160ac8fcbadd52499d322 Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>
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@ -197,4 +197,40 @@ public void testDeleteBadName() throws Exception {
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assertEquals(0, deleted.size());
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}
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@Test
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public void testShouldNotBlowUpIfThereAreNoTagsInRepository()
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throws Exception {
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Git git = new Git(db);
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git.add().addFilepattern("*").call();
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git.commit().setMessage("initial commit").call();
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List<RevTag> list = git.tagList().call();
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assertEquals(0, list.size());
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}
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@Test
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public void testShouldNotBlowUpIfThereAreNoCommitsInRepository()
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throws Exception {
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Git git = new Git(db);
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List<RevTag> list = git.tagList().call();
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assertEquals(0, list.size());
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}
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@Test
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public void testListAllTagsInRepositoryInOrder() throws Exception {
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Git git = new Git(db);
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git.add().addFilepattern("*").call();
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git.commit().setMessage("initial commit").call();
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git.tag().setName("v3").call();
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git.tag().setName("v2").call();
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git.tag().setName("v10").call();
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List<RevTag> list = git.tagList().call();
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assertEquals(3, list.size());
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assertEquals("v10", list.get(0).getTagName());
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assertEquals("v2", list.get(1).getTagName());
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assertEquals("v3", list.get(2).getTagName());
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}
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}
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@ -241,6 +241,16 @@ public ListBranchCommand branchList() {
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return new ListBranchCommand(repo);
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}
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/**
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*
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* Returns a command object used to list tags
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*
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* @return a {@link ListTagCommand}
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*/
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public ListTagCommand tagList() {
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return new ListTagCommand(repo);
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}
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/**
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* Returns a command object used to rename branches
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*
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@ -496,8 +506,8 @@ public DiffCommand diff() {
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/**
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* Returns a command object used to delete tags
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*
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* @return a {@link DeleteBranchCommand}
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*
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* @return a {@link DeleteTagCommand}
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*/
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public DeleteTagCommand tagDelete() {
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return new DeleteTagCommand(repo);
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@ -0,0 +1,104 @@
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/*
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* Copyright (C) 2011, Ketan Padegaonkar <ketanpadegaonkar@gmail.com>
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* and other copyright owners as documented in the project's IP log.
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*
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* This program and the accompanying materials are made available
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* under the terms of the Eclipse Distribution License v1.0 which
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* accompanies this distribution, is reproduced below, and is
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* - Neither the name of the Eclipse Foundation, Inc. nor the
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* names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.eclipse.jgit.api;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Map;
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import org.eclipse.jgit.api.errors.JGitInternalException;
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import org.eclipse.jgit.lib.Constants;
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import org.eclipse.jgit.lib.Ref;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.revwalk.RevTag;
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import org.eclipse.jgit.revwalk.RevWalk;
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/**
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* Used to obtain a list of tags.
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*
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* @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-tag.html"
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* >Git documentation about Tag</a>
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*/
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public class ListTagCommand extends GitCommand<List<RevTag>> {
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/**
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* @param repo
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*/
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protected ListTagCommand(Repository repo) {
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super(repo);
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}
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/**
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* @throws JGitInternalException
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* upon internal failure
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* @return the tags available
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*/
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public List<RevTag> call() throws JGitInternalException {
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checkCallable();
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Map<String, Ref> refList;
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List<RevTag> tags = new ArrayList<RevTag>();
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RevWalk revWalk = new RevWalk(repo);
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try {
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refList = repo.getRefDatabase().getRefs(Constants.R_TAGS);
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for (Ref ref : refList.values()) {
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RevTag tag = revWalk.parseTag(ref.getObjectId());
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tags.add(tag);
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}
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} catch (IOException e) {
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throw new JGitInternalException(e.getMessage(), e);
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} finally {
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revWalk.release();
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}
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Collections.sort(tags, new Comparator<RevTag>() {
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public int compare(RevTag o1, RevTag o2) {
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return o1.getTagName().compareTo(o2.getTagName());
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}
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});
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setCallable(false);
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return tags;
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}
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}
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