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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.api;
-
- import java.io.IOException;
- import java.util.ArrayList;
- import java.util.Collection;
- import java.util.List;
-
- import org.eclipse.jgit.api.errors.GitAPIException;
- import org.eclipse.jgit.api.errors.JGitInternalException;
- import org.eclipse.jgit.dircache.DirCacheCheckout;
- import org.eclipse.jgit.errors.ConfigInvalidException;
- import org.eclipse.jgit.lib.ConfigConstants;
- import org.eclipse.jgit.lib.Constants;
- import org.eclipse.jgit.lib.NullProgressMonitor;
- import org.eclipse.jgit.lib.ProgressMonitor;
- import org.eclipse.jgit.lib.RefUpdate;
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.revwalk.RevCommit;
- import org.eclipse.jgit.revwalk.RevWalk;
- import org.eclipse.jgit.submodule.SubmoduleWalk;
- import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
-
- /**
- * A class used to execute a submodule update command.
- *
- * @see <a
- * href="http://www.kernel.org/pub/software/scm/git/docs/git-submodule.html"
- * >Git documentation about submodules</a>
- */
- public class SubmoduleUpdateCommand extends
- TransportCommand<SubmoduleUpdateCommand, Collection<String>> {
-
- private ProgressMonitor monitor;
-
- private final Collection<String> paths;
-
- /**
- * @param repo
- */
- public SubmoduleUpdateCommand(final Repository repo) {
- super(repo);
- paths = new ArrayList<String>();
- }
-
- /**
- * The progress monitor associated with the clone operation. By default,
- * this is set to <code>NullProgressMonitor</code>
- *
- * @see NullProgressMonitor
- * @param monitor
- * @return this command
- */
- public SubmoduleUpdateCommand setProgressMonitor(
- final ProgressMonitor monitor) {
- this.monitor = monitor;
- return this;
- }
-
- /**
- * Add repository-relative submodule path to initialize
- *
- * @param path
- * @return this command
- */
- public SubmoduleUpdateCommand addPath(final String path) {
- paths.add(path);
- return this;
- }
-
- public Collection<String> call() throws JGitInternalException {
- checkCallable();
-
- try {
- SubmoduleWalk generator = SubmoduleWalk.forIndex(repo);
- if (!paths.isEmpty())
- generator.setFilter(PathFilterGroup.createFromStrings(paths));
- List<String> updated = new ArrayList<String>();
- while (generator.next()) {
- // Skip submodules not registered in .gitmodules file
- if (generator.getModulesPath() == null)
- continue;
- // Skip submodules not registered in parent repository's config
- String url = generator.getConfigUrl();
- if (url == null)
- continue;
-
- Repository submoduleRepo = generator.getRepository();
- // Clone repository is not present
- if (submoduleRepo == null) {
- CloneCommand clone = Git.cloneRepository();
- configure(clone);
- clone.setURI(url);
- clone.setDirectory(generator.getDirectory());
- if (monitor != null)
- clone.setProgressMonitor(monitor);
- submoduleRepo = clone.call().getRepository();
- }
-
- RevWalk walk = new RevWalk(submoduleRepo);
- RevCommit commit = walk.parseCommit(generator.getObjectId());
-
- String update = generator.getConfigUpdate();
- if (ConfigConstants.CONFIG_KEY_MERGE.equals(update)) {
- MergeCommand merge = new MergeCommand(submoduleRepo);
- merge.include(commit);
- merge.call();
- } else if (ConfigConstants.CONFIG_KEY_REBASE.equals(update)) {
- RebaseCommand rebase = new RebaseCommand(submoduleRepo);
- rebase.setUpstream(commit);
- rebase.call();
- } else {
- // Checkout commit referenced in parent repository's index
- // as a detached HEAD
- DirCacheCheckout co = new DirCacheCheckout(submoduleRepo,
- submoduleRepo.lockDirCache(), commit.getTree());
- co.setFailOnConflict(true);
- co.checkout();
- RefUpdate refUpdate = submoduleRepo.updateRef(
- Constants.HEAD, true);
- refUpdate.setNewObjectId(commit);
- refUpdate.forceUpdate();
- }
- updated.add(generator.getPath());
- }
- return updated;
- } catch (IOException e) {
- throw new JGitInternalException(e.getMessage(), e);
- } catch (ConfigInvalidException e) {
- throw new JGitInternalException(e.getMessage(), e);
- } catch (GitAPIException e) {
- throw new JGitInternalException(e.getMessage(), e);
- }
- }
- }
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