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/*
* Copyright (C) 2014 Matthias Sohn <matthias.sohn@sap.com> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.pgm;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThrows;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.time.Instant;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.junit.JGitTestUtil;
import org.eclipse.jgit.junit.MockSystemReader;
import org.eclipse.jgit.junit.TestRepository;
import org.eclipse.jgit.lib.CLIRepositoryTestCase;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.PersonIdent;
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.revwalk.RevCommit;
import org.eclipse.jgit.transport.RefSpec;
import org.eclipse.jgit.transport.RemoteConfig;
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;
private TestRepository<Repository> tr;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
tr = new TestRepository<>(db);
git = new Git(db);
}
@Test
public void testClone() throws Exception {
createInitialCommit();
File gitDir = db.getDirectory();
String sourceURI = gitDir.toURI().toString();
File target = createTempDirectory("target");
String cmd = "git clone " + sourceURI + " "
+ shellQuote(target.getPath());
String[] result = execute(cmd);
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());
}
@Test
public void testCloneInitialBranch() throws Exception {
createInitialCommit();
File gitDir = db.getDirectory();
String sourceURI = gitDir.toURI().toString();
File target = createTempDirectory("target");
String cmd = "git clone --branch master " + sourceURI + " "
+ shellQuote(target.getPath());
String[] result = execute(cmd);
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());
Repository db2 = git2.getRepository();
ObjectId head = db2.resolve("HEAD");
assertNotNull(head);
assertNotEquals(ObjectId.zeroId(), head);
ObjectId master = db2.resolve("master");
assertEquals(head, master);
}
@Test
public void testCloneInitialBranchMissing() throws Exception {
createInitialCommit();
File gitDir = db.getDirectory();
String sourceURI = gitDir.toURI().toString();
File target = createTempDirectory("target");
String cmd = "git clone --branch foo " + sourceURI + " "
+ shellQuote(target.getPath());
Die e = assertThrows(Die.class, () -> execute(cmd));
assertEquals("Remote branch 'foo' not found in upstream origin",
e.getMessage());
}
private RevCommit createInitialCommit() throws Exception {
JGitTestUtil.writeTrashFile(db, "hello.txt", "world");
git.add().addFilepattern("hello.txt").call();
return git.commit().setMessage("Initial commit").call();
}
private RevCommit createSecondCommit() throws Exception {
JGitTestUtil.writeTrashFile(db, "Test.txt", "Some change");
git.add().addFilepattern("Test.txt").call();
return git.commit()
.setCommitter(new PersonIdent(this.committer, tr.getInstant()))
.setMessage("Second commit").call();
}
private RevCommit createThirdCommit() throws Exception {
JGitTestUtil.writeTrashFile(db, "change.txt", "another change");
git.add().addFilepattern("change.txt").call();
return git.commit()
.setCommitter(new PersonIdent(this.committer, tr.getInstant()))
.setMessage("Third commit").call();
}
@Test
public void testCloneEmpty() throws Exception {
File gitDir = db.getDirectory();
String sourceURI = gitDir.toURI().toString();
File target = createTempDirectory("target");
String cmd = "git clone " + sourceURI + " "
+ shellQuote(target.getPath());
String[] result = execute(cmd);
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();
String cmd = "git clone " + sourceURI;
String[] result = execute(cmd);
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());
}
@Test
public void testCloneBare() throws Exception {
createInitialCommit();
File gitDir = db.getDirectory();
String sourcePath = gitDir.getAbsolutePath();
String targetPath = new File(sourcePath).getParentFile()
.getParentFile().getAbsolutePath()
+ File.separator + "target.git";
String cmd = "git clone --bare " + shellQuote(sourcePath) + " "
+ shellQuote(targetPath);
String[] result = execute(cmd);
assertArrayEquals(new String[] {
"Cloning into '" + targetPath + "'...", "", "" }, result);
Git git2 = Git.open(new File(targetPath));
List<Ref> branches = git2.branchList().call();
assertEquals("expected 1 branch", 1, branches.size());
assertTrue("expected bare repository", git2.getRepository().isBare());
}
@Test
public void testCloneMirror() throws Exception {
ObjectId head = createInitialCommit();
// create a non-standard ref
RefUpdate ru = db.updateRef("refs/meta/foo/bar");
ru.setNewObjectId(head);
ru.update();
File gitDir = db.getDirectory();
String sourcePath = gitDir.getAbsolutePath();
String targetPath = new File(sourcePath).getParentFile()
.getParentFile().getAbsolutePath() + File.separator
+ "target.git";
String cmd = "git clone --mirror " + shellQuote(sourcePath) + " "
+ shellQuote(targetPath);
String[] result = execute(cmd);
assertArrayEquals(
new String[] { "Cloning into '" + targetPath + "'...", "", "" },
result);
Git git2 = Git.open(new File(targetPath));
List<Ref> branches = git2.branchList().call();
assertEquals("expected 1 branch", 1, branches.size());
assertTrue("expected bare repository", git2.getRepository().isBare());
StoredConfig config = git2.getRepository().getConfig();
RemoteConfig rc = new RemoteConfig(config, "origin");
assertTrue("expected mirror configuration", rc.isMirror());
RefSpec fetchRefSpec = rc.getFetchRefSpecs().get(0);
assertTrue("exected force udpate", fetchRefSpec.isForceUpdate());
assertEquals("refs/*", fetchRefSpec.getSource());
assertEquals("refs/*", fetchRefSpec.getDestination());
assertNotNull(git2.getRepository().exactRef("refs/meta/foo/bar"));
}
@Test
public void testDepth() throws Exception {
createInitialCommit();
createSecondCommit();
createThirdCommit();
File gitDir = db.getDirectory();
String sourceURI = gitDir.toURI().toString();
File target = createTempDirectory("target");
String cmd = "git clone --depth 1 " + sourceURI + " "
+ shellQuote(target.getPath());
String[] result = execute(cmd);
assertArrayEquals(new String[] {
"Cloning into '" + target.getPath() + "'...", "", "" }, result);
Git git2 = Git.open(target);
addRepoToClose(git2.getRepository());
List<RevCommit> log = StreamSupport
.stream(git2.log().all().call().spliterator(), false)
.collect(Collectors.toList());
assertEquals(1, log.size());
RevCommit commit = log.get(0);
assertEquals(Set.of(commit.getId()),
git2.getRepository().getObjectDatabase().getShallowCommits());
assertEquals("Third commit", commit.getFullMessage());
assertEquals(0, commit.getParentCount());
}
@Test
public void testDepth2() throws Exception {
createInitialCommit();
createSecondCommit();
createThirdCommit();
File gitDir = db.getDirectory();
String sourceURI = gitDir.toURI().toString();
File target = createTempDirectory("target");
String cmd = "git clone --depth 2 " + sourceURI + " "
+ shellQuote(target.getPath());
String[] result = execute(cmd);
assertArrayEquals(new String[] {
"Cloning into '" + target.getPath() + "'...", "", "" }, result);
Git git2 = Git.open(target);
addRepoToClose(git2.getRepository());
List<RevCommit> log = StreamSupport
.stream(git2.log().all().call().spliterator(), false)
.collect(Collectors.toList());
assertEquals(2, log.size());
assertEquals(List.of("Third commit", "Second commit"), log.stream()
.map(RevCommit::getFullMessage).collect(Collectors.toList()));
}
@Test
public void testCloneRepositoryWithShallowSince() throws Exception {
createInitialCommit();
tr.tick(30);
RevCommit secondCommit = createSecondCommit();
tr.tick(45);
createThirdCommit();
File gitDir = db.getDirectory();
String sourceURI = gitDir.toURI().toString();
File target = createTempDirectory("target");
String cmd = "git clone --shallow-since="
+ Instant.ofEpochSecond(secondCommit.getCommitTime()).toString()
+ " " + sourceURI + " " + shellQuote(target.getPath());
String[] result = execute(cmd);
assertArrayEquals(new String[] {
"Cloning into '" + target.getPath() + "'...", "", "" }, result);
Git git2 = Git.open(target);
addRepoToClose(git2.getRepository());
List<RevCommit> log = StreamSupport
.stream(git2.log().all().call().spliterator(), false)
.collect(Collectors.toList());
assertEquals(2, log.size());
assertEquals(List.of("Third commit", "Second commit"), log.stream()
.map(RevCommit::getFullMessage).collect(Collectors.toList()));
}
@Test
public void testCloneRepositoryWithShallowExclude() throws Exception {
final RevCommit firstCommit = createInitialCommit();
final RevCommit secondCommit = createSecondCommit();
createThirdCommit();
File gitDir = db.getDirectory();
String sourceURI = gitDir.toURI().toString();
File target = createTempDirectory("target");
String cmd = "git clone --shallow-exclude="
+ firstCommit.getId().getName() + " --shallow-exclude="
+ secondCommit.getId().getName() + " " + sourceURI + " "
+ shellQuote(target.getPath());
String[] result = execute(cmd);
assertArrayEquals(new String[] {
"Cloning into '" + target.getPath() + "'...", "", "" }, result);
Git git2 = Git.open(target);
addRepoToClose(git2.getRepository());
List<RevCommit> log = StreamSupport
.stream(git2.log().all().call().spliterator(), false)
.collect(Collectors.toList());
assertEquals(1, log.size());
assertEquals(List.of("Third commit"), log.stream()
.map(RevCommit::getFullMessage).collect(Collectors.toList()));
}
}
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