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[pgm] Implement clone using CloneCommand

Change-Id: I56699b7bf9a71f673cb308d3015f51de5b06c1d9
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
stable-3.6
Matthias Sohn 10 years ago
parent
commit
563c1ad514
  1. 136
      org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/CloneTest.java
  2. 2
      org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties
  3. 149
      org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Clone.java
  4. 2
      org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/internal/CLIText.java

136
org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/CloneTest.java

@ -0,0 +1,136 @@
/*
* Copyright (C) 2014 Matthias Sohn <matthias.sohn@sap.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.pgm;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.util.List;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.junit.JGitTestUtil;
import org.eclipse.jgit.junit.MockSystemReader;
import org.eclipse.jgit.lib.CLIRepositoryTestCase;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.transport.URIish;
import org.eclipse.jgit.util.SystemReader;
import org.junit.Before;
import org.junit.Test;
public class CloneTest extends CLIRepositoryTestCase {
private Git git;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
git = new Git(db);
}
@Test
public void testClone() throws Exception {
createInitialCommit();
File gitDir = db.getDirectory();
String sourceURI = gitDir.toURI().toString();
File target = createTempDirectory("target");
StringBuilder cmd = new StringBuilder("git clone ").append(sourceURI
+ " " + target.getPath());
String[] result = execute(cmd.toString());
assertArrayEquals(new String[] {
"Cloning into '" + target.getPath() + "'...",
"", "" }, result);
Git git2 = Git.open(target);
List<Ref> branches = git2.branchList().call();
assertEquals("expected 1 branch", 1, branches.size());
}
private void createInitialCommit() throws Exception {
JGitTestUtil.writeTrashFile(db, "hello.txt", "world");
git.add().addFilepattern("hello.txt").call();
git.commit().setMessage("Initial commit").call();
}
@Test
public void testCloneEmpty() throws Exception {
File gitDir = db.getDirectory();
String sourceURI = gitDir.toURI().toString();
File target = createTempDirectory("target");
StringBuilder cmd = new StringBuilder("git clone ").append(sourceURI
+ " " + target.getPath());
String[] result = execute(cmd.toString());
assertArrayEquals(new String[] {
"Cloning into '" + target.getPath() + "'...",
"warning: You appear to have cloned an empty repository.", "",
"" }, result);
Git git2 = Git.open(target);
List<Ref> branches = git2.branchList().call();
assertEquals("expected 0 branch", 0, branches.size());
}
@Test
public void testCloneIntoCurrentDir() throws Exception {
createInitialCommit();
File target = createTempDirectory("target");
MockSystemReader sr = (MockSystemReader) SystemReader.getInstance();
sr.setProperty(Constants.OS_USER_DIR, target.getAbsolutePath());
File gitDir = db.getDirectory();
String sourceURI = gitDir.toURI().toString();
String name = new URIish(sourceURI).getHumanishName();
StringBuilder cmd = new StringBuilder("git clone ").append(sourceURI);
String[] result = execute(cmd.toString());
assertArrayEquals(new String[] {
"Cloning into '" + new File(target, name).getName() + "'...",
"", "" }, result);
Git git2 = Git.open(new File(target, name));
List<Ref> branches = git2.branchList().call();
assertEquals("expected 1 branch", 1, branches.size());
}
}

2
org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties

@ -43,6 +43,8 @@ changesNotStagedForCommit=Changes not staged for commit:
changesToBeCommitted=Changes to be committed:
checkoutConflict=error: Your local changes to the following files would be overwritten by checkout:
checkoutConflictPathLine=\t{0}
clonedEmptyRepository=warning: You appear to have cloned an empty repository.
cloningInto=Cloning into ''{0}''...
commitLabel=commit
configFileNotFound=configuration file {0} not found
conflictingUsageOf_git_dir_andArguments=conflicting usage of --git-dir and arguments

149
org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Clone.java

@ -44,30 +44,15 @@
package org.eclipse.jgit.pgm;
import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.text.MessageFormat;
import org.eclipse.jgit.dircache.DirCache;
import org.eclipse.jgit.dircache.DirCacheCheckout;
import org.eclipse.jgit.errors.IncorrectObjectTypeException;
import org.eclipse.jgit.errors.MissingObjectException;
import org.eclipse.jgit.api.CloneCommand;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.InvalidRemoteException;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.StoredConfig;
import org.eclipse.jgit.lib.TextProgressMonitor;
import org.eclipse.jgit.pgm.internal.CLIText;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevWalk;
import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
import org.eclipse.jgit.transport.FetchResult;
import org.eclipse.jgit.transport.RefSpec;
import org.eclipse.jgit.transport.RemoteConfig;
import org.eclipse.jgit.transport.TagOpt;
import org.eclipse.jgit.transport.Transport;
import org.eclipse.jgit.transport.URIish;
import org.eclipse.jgit.util.SystemReader;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.Option;
@ -88,8 +73,6 @@ class Clone extends AbstractFetchCommand {
@Argument(index = 1, metaVar = "metaVar_directory")
private String localName;
private Repository dst;
@Override
protected final boolean requiresRepository() {
return false;
@ -101,116 +84,42 @@ class Clone extends AbstractFetchCommand {
throw die(CLIText.get().conflictingUsageOf_git_dir_andArguments);
final URIish uri = new URIish(sourceUri);
File localNameF;
if (localName == null) {
try {
localName = uri.getHumanishName();
localNameF = new File(SystemReader.getInstance().getProperty(
Constants.OS_USER_DIR), localName);
} catch (IllegalArgumentException e) {
throw die(MessageFormat.format(CLIText.get().cannotGuessLocalNameFrom, sourceUri));
}
}
if (gitdir == null)
gitdir = new File(localName, Constants.DOT_GIT).getAbsolutePath();
dst = new FileRepositoryBuilder().setGitDir(new File(gitdir)).build();
dst.create();
final StoredConfig dstcfg = dst.getConfig();
dstcfg.setBoolean("core", null, "bare", false); //$NON-NLS-1$ //$NON-NLS-2$
dstcfg.save();
db = dst;
outw.print(MessageFormat.format(
CLIText.get().initializedEmptyGitRepositoryIn, gitdir));
outw.println();
outw.flush();
saveRemote(uri);
final FetchResult r = runFetch();
if (!noCheckout) {
final Ref checkoutRef;
if (branch == null)
checkoutRef = guessHEAD(r);
else {
checkoutRef = r.getAdvertisedRef(Constants.R_HEADS + branch);
if (checkoutRef == null)
throw die(MessageFormat.format(
CLIText.get().noSuchRemoteRef, branch));
throw die(MessageFormat.format(
CLIText.get().cannotGuessLocalNameFrom, sourceUri));
}
doCheckout(checkoutRef);
}
}
} else
localNameF = new File(localName);
private void saveRemote(final URIish uri) throws URISyntaxException,
IOException {
final StoredConfig dstcfg = dst.getConfig();
final RemoteConfig rc = new RemoteConfig(dstcfg, remoteName);
rc.addURI(uri);
rc.addFetchRefSpec(new RefSpec().setForceUpdate(true)
.setSourceDestination(Constants.R_HEADS + "*", //$NON-NLS-1$
Constants.R_REMOTES + remoteName + "/*")); //$NON-NLS-1$
rc.update(dstcfg);
dstcfg.save();
}
private FetchResult runFetch() throws URISyntaxException, IOException {
final Transport tn = Transport.open(db, remoteName);
final FetchResult r;
try {
tn.setTagOpt(TagOpt.FETCH_TAGS);
r = tn.fetch(new TextProgressMonitor(), null);
} finally {
tn.close();
}
showFetchResult(r);
return r;
}
private static Ref guessHEAD(final FetchResult result) {
final Ref idHEAD = result.getAdvertisedRef(Constants.HEAD);
Ref head = null;
for (final Ref r : result.getAdvertisedRefs()) {
final String n = r.getName();
if (!n.startsWith(Constants.R_HEADS))
continue;
if (idHEAD == null || head != null)
continue;
if (r.getObjectId().equals(idHEAD.getObjectId()))
head = r;
}
if (idHEAD != null && head == null)
head = idHEAD;
return head;
}
private void doCheckout(final Ref branch) throws IOException {
if (branch == null)
throw die(CLIText.get().cannotChekoutNoHeadsAdvertisedByRemote);
if (!Constants.HEAD.equals(branch.getName())) {
RefUpdate u = db.updateRef(Constants.HEAD);
u.disableRefLog();
u.link(branch.getName());
}
final RevCommit commit = parseCommit(branch);
final RefUpdate u = db.updateRef(Constants.HEAD);
u.setNewObjectId(commit);
u.forceUpdate();
branch = Constants.HEAD;
DirCache dc = db.lockDirCache();
DirCacheCheckout co = new DirCacheCheckout(db, dc, commit.getTree());
co.checkout();
}
CloneCommand command = Git.cloneRepository();
command.setURI(sourceUri).setRemote(remoteName)
.setNoCheckout(noCheckout).setBranch(branch);
private RevCommit parseCommit(final Ref branch)
throws MissingObjectException, IncorrectObjectTypeException,
IOException {
final RevWalk rw = new RevWalk(db);
final RevCommit commit;
command.setGitDir(gitdir == null ? null : new File(gitdir));
command.setDirectory(localNameF);
outw.println(MessageFormat.format(CLIText.get().cloningInto, localName));
try {
commit = rw.parseCommit(branch.getObjectId());
db = command.call().getRepository();
if (db.resolve(Constants.HEAD) == null)
outw.println(CLIText.get().clonedEmptyRepository);
} catch (InvalidRemoteException e) {
throw die(MessageFormat.format(CLIText.get().doesNotExist,
sourceUri));
} finally {
rw.release();
if (db != null)
db.close();
}
return commit;
outw.println();
outw.flush();
}
}

2
org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/internal/CLIText.java

@ -109,6 +109,8 @@ public class CLIText extends TranslationBundle {
/***/ public String changesToBeCommitted;
/***/ public String checkoutConflict;
/***/ public String checkoutConflictPathLine;
/***/ public String clonedEmptyRepository;
/***/ public String cloningInto;
/***/ public String commitLabel;
/***/ public String conflictingUsageOf_git_dir_andArguments;
/***/ public String couldNotCreateBranch;

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