Add command support for listing stashed commits
Bug: 309355 Change-Id: I34a8c251b89abcdb67565ca49bee02e5e2113593 Signe-off-by: Chris Aniszczyk <zx@twitter.com>
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/*
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* Copyright (C) 2011, GitHub Inc.
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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 static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertTrue;
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import java.util.Collection;
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import java.util.Iterator;
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import org.eclipse.jgit.lib.Constants;
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import org.eclipse.jgit.lib.RefUpdate;
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import org.eclipse.jgit.lib.RefUpdate.Result;
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import org.eclipse.jgit.lib.RepositoryTestCase;
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import org.eclipse.jgit.revwalk.RevCommit;
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import org.junit.Test;
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/**
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* Unit tests of {@link StashListCommand}
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*/
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public class StashListCommandTest extends RepositoryTestCase {
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@Test
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public void noStashRef() throws Exception {
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StashListCommand command = Git.wrap(db).stashList();
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Collection<RevCommit> stashed = command.call();
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assertNotNull(stashed);
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assertTrue(stashed.isEmpty());
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}
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@Test
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public void emptyStashReflog() throws Exception {
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Git git = Git.wrap(db);
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writeTrashFile("file.txt", "content");
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git.add().addFilepattern("file.txt").call();
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RevCommit commit = git.commit().setMessage("create file").call();
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RefUpdate update = db.updateRef(Constants.R_STASH);
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update.setNewObjectId(commit);
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update.disableRefLog();
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assertEquals(Result.NEW, update.update());
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StashListCommand command = Git.wrap(db).stashList();
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Collection<RevCommit> stashed = command.call();
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assertNotNull(stashed);
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assertTrue(stashed.isEmpty());
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}
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@Test
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public void singleStashedCommit() throws Exception {
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Git git = Git.wrap(db);
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writeTrashFile("file.txt", "content");
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git.add().addFilepattern("file.txt").call();
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RevCommit commit = git.commit().setMessage("create file").call();
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RefUpdate update = db.updateRef(Constants.R_STASH);
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update.setNewObjectId(commit);
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assertEquals(Result.NEW, update.update());
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StashListCommand command = git.stashList();
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Collection<RevCommit> stashed = command.call();
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assertNotNull(stashed);
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assertEquals(1, stashed.size());
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assertEquals(commit, stashed.iterator().next());
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}
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@Test
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public void multipleStashedCommits() throws Exception {
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Git git = Git.wrap(db);
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writeTrashFile("file.txt", "content");
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git.add().addFilepattern("file.txt").call();
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RevCommit commit1 = git.commit().setMessage("create file").call();
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writeTrashFile("file.txt", "content2");
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git.add().addFilepattern("file.txt").call();
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RevCommit commit2 = git.commit().setMessage("edit file").call();
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RefUpdate create = db.updateRef(Constants.R_STASH);
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create.setNewObjectId(commit1);
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assertEquals(Result.NEW, create.update());
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RefUpdate update = db.updateRef(Constants.R_STASH);
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update.setNewObjectId(commit2);
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assertEquals(Result.FAST_FORWARD, update.update());
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StashListCommand command = git.stashList();
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Collection<RevCommit> stashed = command.call();
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assertNotNull(stashed);
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assertEquals(2, stashed.size());
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Iterator<RevCommit> iter = stashed.iterator();
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assertEquals(commit2, iter.next());
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assertEquals(commit1, iter.next());
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}
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}
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@ -506,7 +506,7 @@ 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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*
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* @return a {@link DeleteTagCommand}
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*/
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public DeleteTagCommand tagDelete() {
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@ -564,6 +564,15 @@ public SubmoduleUpdateCommand submoduleUpdate() {
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return new SubmoduleUpdateCommand(repo);
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}
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/**
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* Returns a command object used to list stashed commits
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*
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* @return a {@link StashListCommand}
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*/
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public StashListCommand stashList() {
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return new StashListCommand(repo);
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}
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/**
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* @return the git repository this class is interacting with
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*/
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@ -0,0 +1,113 @@
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/*
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* Copyright (C) 2011, GitHub Inc.
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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.text.MessageFormat;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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import org.eclipse.jgit.JGitText;
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import org.eclipse.jgit.api.errors.InvalidRefNameException;
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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.Repository;
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import org.eclipse.jgit.revwalk.RevCommit;
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import org.eclipse.jgit.revwalk.RevWalk;
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import org.eclipse.jgit.storage.file.ReflogEntry;
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/**
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* Command class to list the stashed commits in a repository.
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*
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* @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-stash.html"
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* >Git documentation about Stash</a>
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*/
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public class StashListCommand extends GitCommand<Collection<RevCommit>> {
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/**
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* Create a new stash list command
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*
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* @param repo
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*/
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public StashListCommand(final Repository repo) {
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super(repo);
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}
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public Collection<RevCommit> call() throws Exception {
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checkCallable();
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try {
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if (repo.getRef(Constants.R_STASH) == null)
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return Collections.emptyList();
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} catch (IOException e) {
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throw new InvalidRefNameException(MessageFormat.format(
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JGitText.get().cannotRead, Constants.R_STASH), e);
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}
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final ReflogCommand refLog = new ReflogCommand(repo);
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refLog.setRef(Constants.R_STASH);
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final Collection<ReflogEntry> stashEntries = refLog.call();
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if (stashEntries.isEmpty())
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return Collections.emptyList();
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final List<RevCommit> stashCommits = new ArrayList<RevCommit>(
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stashEntries.size());
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final RevWalk walk = new RevWalk(repo);
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walk.setRetainBody(true);
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try {
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for (ReflogEntry entry : stashEntries)
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try {
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stashCommits.add(walk.parseCommit(entry.getNewId()));
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} catch (IOException e) {
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throw new JGitInternalException(MessageFormat.format(
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JGitText.get().cannotReadCommit, entry.getNewId()),
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e);
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}
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} finally {
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walk.dispose();
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}
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return stashCommits;
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}
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}
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@ -231,6 +231,9 @@ public final class Constants {
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/** Default main branch name */
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public static final String MASTER = "master";
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/** Default stash branch name */
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public static final String STASH = "stash";
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/** Prefix for branch refs */
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public static final String R_HEADS = "refs/heads/";
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@ -249,6 +252,9 @@ public final class Constants {
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/** Prefix for any ref */
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public static final String R_REFS = "refs/";
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/** Standard stash ref */
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public static final String R_STASH = R_REFS + STASH;
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/** Logs folder name */
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public static final String LOGS = "logs";
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@ -54,6 +54,7 @@
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import static org.eclipse.jgit.lib.Constants.R_HEADS;
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import static org.eclipse.jgit.lib.Constants.R_REFS;
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import static org.eclipse.jgit.lib.Constants.R_REMOTES;
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import static org.eclipse.jgit.lib.Constants.R_STASH;
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import static org.eclipse.jgit.lib.Constants.R_TAGS;
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import static org.eclipse.jgit.lib.Constants.encode;
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import static org.eclipse.jgit.lib.Ref.Storage.LOOSE;
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@ -671,7 +672,8 @@ private boolean isLogAllRefUpdates() {
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private boolean shouldAutoCreateLog(final String refName) {
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return refName.equals(HEAD) //
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|| refName.startsWith(R_HEADS) //
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|| refName.startsWith(R_REMOTES);
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|| refName.startsWith(R_REMOTES) //
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|| refName.equals(R_STASH);
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}
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private Ref resolve(final Ref ref, int depth, String prefix,
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