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Copy all branch configuration values when renaming 

Previously only certain values were copied over which caused
divergence in behavior between the JGit command and corresponding
CGit command.

Bug: 372051
Change-Id: I72a83215a679a713138da31f5ab838f14388d4bd
Signed-off-by: Chris Aniszczyk <zx@twitter.com>
stable-2.0
Kevin Sawicki 13 years ago committed by Chris Aniszczyk
parent
04ab2dac37
commit
fd0c468b7a
2 changed files with 209 additions and 31 deletions
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  1. 172
      org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RenameBranchCommandTest.java
  2. 68
      org.eclipse.jgit/src/org/eclipse/jgit/api/RenameBranchCommand.java

172
org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RenameBranchCommandTest.java
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@ -0,0 +1,172 @@
/*
* Copyright (C) 2012, GitHub Inc.
* 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 static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import org.eclipse.jgit.lib.ConfigConstants;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.RepositoryTestCase;
import org.eclipse.jgit.lib.StoredConfig;
import org.eclipse.jgit.revwalk.RevCommit;
import org.junit.Before;
import org.junit.Test;
/**
* Unit tests of {@link RenameBranchCommand}
*/
public class RenameBranchCommandTest extends RepositoryTestCase {
private static final String PATH = "file.txt";
private RevCommit head;
private Git git;
@Before
public void setUp() throws Exception {
super.setUp();
git = Git.wrap(db);
writeTrashFile(PATH, "content");
git.add().addFilepattern(PATH).call();
head = git.commit().setMessage("add file").call();
assertNotNull(head);
}
@Test
public void renameBranchNoConfigValues() throws Exception {
StoredConfig config = git.getRepository().getConfig();
config.unsetSection(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER);
config.save();
String branch = "b1";
assertTrue(config.getNames(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER).isEmpty());
assertNotNull(git.branchRename().setNewName(branch).call());
config = git.getRepository().getConfig();
assertTrue(config.getNames(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER).isEmpty());
assertTrue(config.getNames(ConfigConstants.CONFIG_BRANCH_SECTION,
branch).isEmpty());
}
@Test
public void renameBranchSingleConfigValue() throws Exception {
StoredConfig config = git.getRepository().getConfig();
config.setBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER, ConfigConstants.CONFIG_KEY_REBASE, true);
config.save();
String branch = "b1";
assertTrue(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER, ConfigConstants.CONFIG_KEY_REBASE, true));
assertFalse(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
branch, ConfigConstants.CONFIG_KEY_REBASE, false));
assertNotNull(git.branchRename().setNewName(branch).call());
config = git.getRepository().getConfig();
assertFalse(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER, ConfigConstants.CONFIG_KEY_REBASE, false));
assertTrue(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
branch, ConfigConstants.CONFIG_KEY_REBASE, false));
}
@Test
public void renameBranchExistingSection() throws Exception {
String branch = "b1";
StoredConfig config = git.getRepository().getConfig();
config.setBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER, ConfigConstants.CONFIG_KEY_REBASE, true);
config.setString(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER, "a", "a");
config.setString(ConfigConstants.CONFIG_BRANCH_SECTION, branch, "a",
"b");
config.save();
assertNotNull(git.branchRename().setNewName(branch).call());
config = git.getRepository().getConfig();
assertArrayEquals(new String[] { "b", "a" }, config.getStringList(
ConfigConstants.CONFIG_BRANCH_SECTION, branch, "a"));
}
@Test
public void renameBranchMultipleConfigValues() throws Exception {
StoredConfig config = git.getRepository().getConfig();
config.setBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER, ConfigConstants.CONFIG_KEY_REBASE, true);
config.setBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER, ConfigConstants.CONFIG_KEY_MERGE, true);
config.save();
String branch = "b1";
assertTrue(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER, ConfigConstants.CONFIG_KEY_REBASE, true));
assertFalse(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
branch, ConfigConstants.CONFIG_KEY_REBASE, false));
assertTrue(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER, ConfigConstants.CONFIG_KEY_MERGE, true));
assertFalse(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
branch, ConfigConstants.CONFIG_KEY_MERGE, false));
assertNotNull(git.branchRename().setNewName(branch).call());
config = git.getRepository().getConfig();
assertFalse(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER, ConfigConstants.CONFIG_KEY_REBASE, false));
assertTrue(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
branch, ConfigConstants.CONFIG_KEY_REBASE, false));
assertFalse(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
Constants.MASTER, ConfigConstants.CONFIG_KEY_MERGE, false));
assertTrue(config.getBoolean(ConfigConstants.CONFIG_BRANCH_SECTION,
branch, ConfigConstants.CONFIG_KEY_MERGE, false));
}
}

68
org.eclipse.jgit/src/org/eclipse/jgit/api/RenameBranchCommand.java
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@ -45,6 +45,7 @@ package org.eclipse.jgit.api;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.Arrays;
import org.eclipse.jgit.api.errors.DetachedHeadException;
import org.eclipse.jgit.api.errors.InvalidRefNameException;
@ -138,41 +139,46 @@ public class RenameBranchCommand extends GitCommand<Ref> {
setCallable(false);
boolean ok = Result.RENAMED == renameResult;
if (Result.RENAMED != renameResult)
throw new JGitInternalException(MessageFormat.format(JGitText
.get().renameBranchUnexpectedResult, renameResult
.name()));
if (ok) {
if (fullNewName.startsWith(Constants.R_HEADS)) {
// move the upstream configuration over to the new branch
String shortOldName = fullOldName
.substring(Constants.R_HEADS.length());
final StoredConfig repoConfig = repo.getConfig();
String oldRemote = repoConfig.getString(
if (fullNewName.startsWith(Constants.R_HEADS)) {
String shortOldName = fullOldName.substring(Constants.R_HEADS
.length());
final StoredConfig repoConfig = repo.getConfig();
// Copy all configuration values over to the new branch
for (String name : repoConfig.getNames(
ConfigConstants.CONFIG_BRANCH_SECTION, shortOldName)) {
String[] values = repoConfig.getStringList(
ConfigConstants.CONFIG_BRANCH_SECTION,
shortOldName, ConfigConstants.CONFIG_KEY_REMOTE);
if (oldRemote != null) {
repoConfig.setString(
ConfigConstants.CONFIG_BRANCH_SECTION, newName,
ConfigConstants.CONFIG_KEY_REMOTE, oldRemote);
shortOldName, name);
if (values.length == 0)
continue;
// Keep any existing values already configured for the
// new branch name
String[] existing = repoConfig.getStringList(
ConfigConstants.CONFIG_BRANCH_SECTION, newName,
name);
if (existing.length > 0) {
String[] newValues = new String[values.length
+ existing.length];
System.arraycopy(existing, 0, newValues, 0,
existing.length);
System.arraycopy(values, 0, newValues, existing.length,
values.length);
values = newValues;
}
String oldMerge = repoConfig.getString(
ConfigConstants.CONFIG_BRANCH_SECTION,
shortOldName, ConfigConstants.CONFIG_KEY_MERGE);
if (oldMerge != null) {
repoConfig.setString(
ConfigConstants.CONFIG_BRANCH_SECTION, newName,
ConfigConstants.CONFIG_KEY_MERGE, oldMerge);
}
repoConfig
.unsetSection(
ConfigConstants.CONFIG_BRANCH_SECTION,
shortOldName);
repoConfig.save();
}
} else
throw new JGitInternalException(MessageFormat.format(JGitText
.get().renameBranchUnexpectedResult, renameResult
.name()));
repoConfig.setStringList(
ConfigConstants.CONFIG_BRANCH_SECTION, newName,
name, Arrays.asList(values));
}
repoConfig.unsetSection(ConfigConstants.CONFIG_BRANCH_SECTION,
shortOldName);
repoConfig.save();
}
Ref resultRef = repo.getRef(newName);
if (resultRef == null)

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