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- /*
- * Copyright (C) 2011, 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.submodule;
-
- import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_PATH;
- import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_URL;
- import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_SUBMODULE_SECTION;
- import static org.eclipse.jgit.lib.Constants.DOT_GIT_MODULES;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertNotNull;
- import static org.junit.Assert.assertNull;
- import static org.junit.Assert.assertTrue;
-
- import java.io.File;
- import java.io.FileWriter;
- import java.io.IOException;
-
- import org.eclipse.jgit.api.Git;
- import org.eclipse.jgit.api.Status;
- import org.eclipse.jgit.api.errors.GitAPIException;
- import org.eclipse.jgit.dircache.DirCache;
- import org.eclipse.jgit.dircache.DirCacheEditor;
- import org.eclipse.jgit.dircache.DirCacheEditor.PathEdit;
- import org.eclipse.jgit.dircache.DirCacheEntry;
- import org.eclipse.jgit.errors.ConfigInvalidException;
- import org.eclipse.jgit.errors.NoWorkTreeException;
- import org.eclipse.jgit.internal.storage.file.FileRepository;
- import org.eclipse.jgit.junit.RepositoryTestCase;
- import org.eclipse.jgit.junit.TestRepository;
- import org.eclipse.jgit.lib.Config;
- import org.eclipse.jgit.lib.Constants;
- import org.eclipse.jgit.lib.FileMode;
- import org.eclipse.jgit.lib.ObjectId;
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.revwalk.RevBlob;
- import org.eclipse.jgit.revwalk.RevCommit;
- import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
- import org.eclipse.jgit.treewalk.CanonicalTreeParser;
- import org.eclipse.jgit.treewalk.filter.PathFilter;
- import org.junit.Before;
- import org.junit.Test;
-
- /**
- * Unit tests of {@link SubmoduleWalk}
- */
- public class SubmoduleWalkTest extends RepositoryTestCase {
- private TestRepository<Repository> testDb;
-
- @Before
- public void setUp() throws Exception {
- super.setUp();
- testDb = new TestRepository<Repository>(db);
- }
-
- @Test
- public void repositoryWithNoSubmodules() throws IOException {
- SubmoduleWalk gen = SubmoduleWalk.forIndex(db);
- assertFalse(gen.next());
- assertNull(gen.getPath());
- assertEquals(ObjectId.zeroId(), gen.getObjectId());
- }
-
- @Test
- public void bareRepositoryWithNoSubmodules() throws IOException {
- FileRepository bareRepo = createBareRepository();
- boolean result = SubmoduleWalk.containsGitModulesFile(bareRepo);
- assertFalse(result);
- }
-
- @Test
- public void repositoryWithRootLevelSubmodule() throws IOException,
- ConfigInvalidException, NoWorkTreeException, GitAPIException {
- final ObjectId id = ObjectId
- .fromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
- final String path = "sub";
- DirCache cache = db.lockDirCache();
- DirCacheEditor editor = cache.editor();
- editor.add(new PathEdit(path) {
-
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.GITLINK);
- ent.setObjectId(id);
- }
- });
- editor.commit();
-
- SubmoduleWalk gen = SubmoduleWalk.forIndex(db);
- assertTrue(gen.next());
- assertEquals(path, gen.getPath());
- assertEquals(id, gen.getObjectId());
- assertEquals(new File(db.getWorkTree(), path), gen.getDirectory());
- assertNull(gen.getConfigUpdate());
- assertNull(gen.getConfigUrl());
- assertNull(gen.getModulesPath());
- assertNull(gen.getModulesUpdate());
- assertNull(gen.getModulesUrl());
- assertNull(gen.getRepository());
- Status status = Git.wrap(db).status().call();
- assertTrue(!status.isClean());
- assertFalse(gen.next());
- }
-
- @SuppressWarnings("resource" /* java 7 */)
- @Test
- public void repositoryWithRootLevelSubmoduleAbsoluteRef()
- throws IOException, ConfigInvalidException {
- final ObjectId id = ObjectId
- .fromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
- final String path = "sub";
- File dotGit = new File(db.getWorkTree(), path + File.separatorChar
- + Constants.DOT_GIT);
- if (!dotGit.getParentFile().exists())
- dotGit.getParentFile().mkdirs();
-
- File modulesGitDir = new File(db.getDirectory(), "modules"
- + File.separatorChar + path);
- new FileWriter(dotGit).append(
- "gitdir: " + modulesGitDir.getAbsolutePath()).close();
- FileRepositoryBuilder builder = new FileRepositoryBuilder();
- builder.setWorkTree(new File(db.getWorkTree(), path));
- builder.build().create();
-
- DirCache cache = db.lockDirCache();
- DirCacheEditor editor = cache.editor();
- editor.add(new PathEdit(path) {
-
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.GITLINK);
- ent.setObjectId(id);
- }
- });
- editor.commit();
-
- SubmoduleWalk gen = SubmoduleWalk.forIndex(db);
- assertTrue(gen.next());
- assertEquals(path, gen.getPath());
- assertEquals(id, gen.getObjectId());
- assertEquals(new File(db.getWorkTree(), path), gen.getDirectory());
- assertNull(gen.getConfigUpdate());
- assertNull(gen.getConfigUrl());
- assertNull(gen.getModulesPath());
- assertNull(gen.getModulesUpdate());
- assertNull(gen.getModulesUrl());
- Repository subRepo = gen.getRepository();
- assertNotNull(subRepo);
- assertEquals(modulesGitDir.getAbsolutePath(),
- subRepo.getDirectory().getAbsolutePath());
- assertEquals(new File(db.getWorkTree(), path).getAbsolutePath(),
- subRepo.getWorkTree().getAbsolutePath());
- subRepo.close();
- assertFalse(gen.next());
- }
-
- @SuppressWarnings("resource" /* java 7 */)
- @Test
- public void repositoryWithRootLevelSubmoduleRelativeRef()
- throws IOException, ConfigInvalidException {
- final ObjectId id = ObjectId
- .fromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
- final String path = "sub";
- File dotGit = new File(db.getWorkTree(), path + File.separatorChar
- + Constants.DOT_GIT);
- if (!dotGit.getParentFile().exists())
- dotGit.getParentFile().mkdirs();
-
- File modulesGitDir = new File(db.getDirectory(), "modules"
- + File.separatorChar + path);
- new FileWriter(dotGit).append(
- "gitdir: " + "../" + Constants.DOT_GIT + "/modules/" + path)
- .close();
- FileRepositoryBuilder builder = new FileRepositoryBuilder();
- builder.setWorkTree(new File(db.getWorkTree(), path));
- builder.build().create();
-
- DirCache cache = db.lockDirCache();
- DirCacheEditor editor = cache.editor();
- editor.add(new PathEdit(path) {
-
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.GITLINK);
- ent.setObjectId(id);
- }
- });
- editor.commit();
-
- SubmoduleWalk gen = SubmoduleWalk.forIndex(db);
- assertTrue(gen.next());
- assertEquals(path, gen.getPath());
- assertEquals(id, gen.getObjectId());
- assertEquals(new File(db.getWorkTree(), path), gen.getDirectory());
- assertNull(gen.getConfigUpdate());
- assertNull(gen.getConfigUrl());
- assertNull(gen.getModulesPath());
- assertNull(gen.getModulesUpdate());
- assertNull(gen.getModulesUrl());
- Repository subRepo = gen.getRepository();
- assertNotNull(subRepo);
- assertEqualsFile(modulesGitDir, subRepo.getDirectory());
- assertEqualsFile(new File(db.getWorkTree(), path),
- subRepo.getWorkTree());
- subRepo.close();
- assertFalse(gen.next());
- }
-
- @Test
- public void repositoryWithNestedSubmodule() throws IOException,
- ConfigInvalidException {
- final ObjectId id = ObjectId
- .fromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
- final String path = "sub/dir/final";
- DirCache cache = db.lockDirCache();
- DirCacheEditor editor = cache.editor();
- editor.add(new PathEdit(path) {
-
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.GITLINK);
- ent.setObjectId(id);
- }
- });
- editor.commit();
-
- SubmoduleWalk gen = SubmoduleWalk.forIndex(db);
- assertTrue(gen.next());
- assertEquals(path, gen.getPath());
- assertEquals(id, gen.getObjectId());
- assertEquals(new File(db.getWorkTree(), path), gen.getDirectory());
- assertNull(gen.getConfigUpdate());
- assertNull(gen.getConfigUrl());
- assertNull(gen.getModulesPath());
- assertNull(gen.getModulesUpdate());
- assertNull(gen.getModulesUrl());
- assertNull(gen.getRepository());
- assertFalse(gen.next());
- }
-
- @Test
- public void generatorFilteredToOneOfTwoSubmodules() throws IOException {
- final ObjectId id1 = ObjectId
- .fromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
- final String path1 = "sub1";
- final ObjectId id2 = ObjectId
- .fromString("abcd1234abcd1234abcd1234abcd1234abcd1235");
- final String path2 = "sub2";
- DirCache cache = db.lockDirCache();
- DirCacheEditor editor = cache.editor();
- editor.add(new PathEdit(path1) {
-
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.GITLINK);
- ent.setObjectId(id1);
- }
- });
- editor.add(new PathEdit(path2) {
-
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.GITLINK);
- ent.setObjectId(id2);
- }
- });
- editor.commit();
-
- SubmoduleWalk gen = SubmoduleWalk.forIndex(db);
- gen.setFilter(PathFilter.create(path1));
- assertTrue(gen.next());
- assertEquals(path1, gen.getPath());
- assertEquals(id1, gen.getObjectId());
- assertFalse(gen.next());
- }
-
- @Test
- public void indexWithGitmodules() throws Exception {
- final ObjectId subId = ObjectId
- .fromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
- final String path = "sub";
-
- final Config gitmodules = new Config();
- gitmodules.setString(CONFIG_SUBMODULE_SECTION, path, CONFIG_KEY_PATH,
- "sub");
- // Different config in the index should be overridden by the working tree.
- gitmodules.setString(CONFIG_SUBMODULE_SECTION, path, CONFIG_KEY_URL,
- "git://example.com/bad");
- final RevBlob gitmodulesBlob = testDb.blob(gitmodules.toText());
-
- gitmodules.setString(CONFIG_SUBMODULE_SECTION, path, CONFIG_KEY_URL,
- "git://example.com/sub");
- writeTrashFile(DOT_GIT_MODULES, gitmodules.toText());
-
- DirCache cache = db.lockDirCache();
- DirCacheEditor editor = cache.editor();
- editor.add(new PathEdit(path) {
-
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.GITLINK);
- ent.setObjectId(subId);
- }
- });
- editor.add(new PathEdit(DOT_GIT_MODULES) {
-
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.REGULAR_FILE);
- ent.setObjectId(gitmodulesBlob);
- }
- });
- editor.commit();
-
- SubmoduleWalk gen = SubmoduleWalk.forIndex(db);
- assertTrue(gen.next());
- assertEquals(path, gen.getPath());
- assertEquals(subId, gen.getObjectId());
- assertEquals(new File(db.getWorkTree(), path), gen.getDirectory());
- assertNull(gen.getConfigUpdate());
- assertNull(gen.getConfigUrl());
- assertEquals("sub", gen.getModulesPath());
- assertNull(gen.getModulesUpdate());
- assertEquals("git://example.com/sub", gen.getModulesUrl());
- assertNull(gen.getRepository());
- assertFalse(gen.next());
- }
-
- @Test
- public void treeIdWithGitmodules() throws Exception {
- final ObjectId subId = ObjectId
- .fromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
- final String path = "sub";
-
- final Config gitmodules = new Config();
- gitmodules.setString(CONFIG_SUBMODULE_SECTION, path, CONFIG_KEY_PATH,
- "sub");
- gitmodules.setString(CONFIG_SUBMODULE_SECTION, path, CONFIG_KEY_URL,
- "git://example.com/sub");
-
- RevCommit commit = testDb.getRevWalk().parseCommit(testDb.commit()
- .noParents()
- .add(DOT_GIT_MODULES, gitmodules.toText())
- .edit(new PathEdit(path) {
-
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.GITLINK);
- ent.setObjectId(subId);
- }
- })
- .create());
-
- SubmoduleWalk gen = SubmoduleWalk.forPath(db, commit.getTree(), "sub");
- assertEquals(path, gen.getPath());
- assertEquals(subId, gen.getObjectId());
- assertEquals(new File(db.getWorkTree(), path), gen.getDirectory());
- assertNull(gen.getConfigUpdate());
- assertNull(gen.getConfigUrl());
- assertEquals("sub", gen.getModulesPath());
- assertNull(gen.getModulesUpdate());
- assertEquals("git://example.com/sub", gen.getModulesUrl());
- assertNull(gen.getRepository());
- assertFalse(gen.next());
- }
-
- @Test
- public void testTreeIteratorWithGitmodules() throws Exception {
- final ObjectId subId = ObjectId
- .fromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
- final String path = "sub";
-
- final Config gitmodules = new Config();
- gitmodules.setString(CONFIG_SUBMODULE_SECTION, path, CONFIG_KEY_PATH,
- "sub");
- gitmodules.setString(CONFIG_SUBMODULE_SECTION, path, CONFIG_KEY_URL,
- "git://example.com/sub");
-
- RevCommit commit = testDb.getRevWalk().parseCommit(testDb.commit()
- .noParents()
- .add(DOT_GIT_MODULES, gitmodules.toText())
- .edit(new PathEdit(path) {
-
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.GITLINK);
- ent.setObjectId(subId);
- }
- })
- .create());
-
- final CanonicalTreeParser p = new CanonicalTreeParser();
- p.reset(testDb.getRevWalk().getObjectReader(), commit.getTree());
- SubmoduleWalk gen = SubmoduleWalk.forPath(db, p, "sub");
- assertEquals(path, gen.getPath());
- assertEquals(subId, gen.getObjectId());
- assertEquals(new File(db.getWorkTree(), path), gen.getDirectory());
- assertNull(gen.getConfigUpdate());
- assertNull(gen.getConfigUrl());
- assertEquals("sub", gen.getModulesPath());
- assertNull(gen.getModulesUpdate());
- assertEquals("git://example.com/sub", gen.getModulesUrl());
- assertNull(gen.getRepository());
- assertFalse(gen.next());
- }
- }
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