SubmoduleUpdateCommand.java
- /*
- * Copyright (C) 2011, GitHub Inc.
- * Copyright (C) 2016, Laurent Delaigue <laurent.delaigue@obeo.fr> 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.api;
- import java.io.File;
- import java.io.IOException;
- import java.util.ArrayList;
- import java.util.Collection;
- import java.util.List;
- import org.eclipse.jgit.api.errors.CheckoutConflictException;
- import org.eclipse.jgit.api.errors.ConcurrentRefUpdateException;
- import org.eclipse.jgit.api.errors.GitAPIException;
- import org.eclipse.jgit.api.errors.InvalidConfigurationException;
- import org.eclipse.jgit.api.errors.InvalidMergeHeadsException;
- import org.eclipse.jgit.api.errors.JGitInternalException;
- import org.eclipse.jgit.api.errors.NoHeadException;
- import org.eclipse.jgit.api.errors.NoMessageException;
- import org.eclipse.jgit.api.errors.RefNotFoundException;
- import org.eclipse.jgit.api.errors.WrongRepositoryStateException;
- 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.merge.MergeStrategy;
- 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;
- private MergeStrategy strategy = MergeStrategy.RECURSIVE;
- private CloneCommand.Callback callback;
- private FetchCommand.Callback fetchCallback;
- private boolean fetch = false;
- /**
- * <p>
- * Constructor for SubmoduleUpdateCommand.
- * </p>
- *
- * @param repo
- * a {@link org.eclipse.jgit.lib.Repository} object.
- */
- public SubmoduleUpdateCommand(Repository repo) {
- super(repo);
- paths = new ArrayList<>();
- }
- /**
- * The progress monitor associated with the clone operation. By default,
- * this is set to <code>NullProgressMonitor</code>
- *
- * @see NullProgressMonitor
- * @param monitor
- * a {@link org.eclipse.jgit.lib.ProgressMonitor} object.
- * @return this command
- */
- public SubmoduleUpdateCommand setProgressMonitor(
- final ProgressMonitor monitor) {
- this.monitor = monitor;
- return this;
- }
- /**
- * Whether to fetch the submodules before we update them. By default, this
- * is set to <code>false</code>
- *
- * @param fetch
- * whether to fetch the submodules before we update them
- * @return this command
- * @since 4.9
- */
- public SubmoduleUpdateCommand setFetch(boolean fetch) {
- this.fetch = fetch;
- return this;
- }
- /**
- * Add repository-relative submodule path to initialize
- *
- * @param path
- * (with <code>/</code> as separator)
- * @return this command
- */
- public SubmoduleUpdateCommand addPath(String path) {
- paths.add(path);
- return this;
- }
- private Repository getOrCloneSubmodule(SubmoduleWalk generator, String url)
- throws IOException, GitAPIException {
- Repository repository = generator.getRepository();
- if (repository == null) {
- if (callback != null) {
- callback.cloningSubmodule(generator.getPath());
- }
- CloneCommand clone = Git.cloneRepository();
- configure(clone);
- clone.setURI(url);
- clone.setDirectory(generator.getDirectory());
- clone.setGitDir(
- new File(new File(repo.getDirectory(), Constants.MODULES),
- generator.getPath()));
- if (monitor != null) {
- clone.setProgressMonitor(monitor);
- }
- repository = clone.call().getRepository();
- } else if (this.fetch) {
- if (fetchCallback != null) {
- fetchCallback.fetchingSubmodule(generator.getPath());
- }
- FetchCommand fetchCommand = Git.wrap(repository).fetch();
- if (monitor != null) {
- fetchCommand.setProgressMonitor(monitor);
- }
- configure(fetchCommand);
- fetchCommand.call();
- }
- return repository;
- }
- /**
- * {@inheritDoc}
- *
- * Execute the SubmoduleUpdateCommand command.
- */
- @Override
- public Collection<String> call() throws InvalidConfigurationException,
- NoHeadException, ConcurrentRefUpdateException,
- CheckoutConflictException, InvalidMergeHeadsException,
- WrongRepositoryStateException, NoMessageException, NoHeadException,
- RefNotFoundException, GitAPIException {
- checkCallable();
- try (SubmoduleWalk generator = SubmoduleWalk.forIndex(repo)) {
- if (!paths.isEmpty())
- generator.setFilter(PathFilterGroup.createFromStrings(paths));
- List<String> updated = new ArrayList<>();
- 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;
- try (Repository submoduleRepo = getOrCloneSubmodule(generator,
- url); 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.setProgressMonitor(monitor);
- merge.setStrategy(strategy);
- merge.call();
- } else if (ConfigConstants.CONFIG_KEY_REBASE.equals(update)) {
- RebaseCommand rebase = new RebaseCommand(submoduleRepo);
- rebase.setUpstream(commit);
- rebase.setProgressMonitor(monitor);
- rebase.setStrategy(strategy);
- 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.setProgressMonitor(monitor);
- co.checkout();
- RefUpdate refUpdate = submoduleRepo.updateRef(
- Constants.HEAD, true);
- refUpdate.setNewObjectId(commit);
- refUpdate.forceUpdate();
- if (callback != null) {
- callback.checkingOut(commit,
- generator.getPath());
- }
- }
- }
- updated.add(generator.getPath());
- }
- return updated;
- } catch (IOException e) {
- throw new JGitInternalException(e.getMessage(), e);
- } catch (ConfigInvalidException e) {
- throw new InvalidConfigurationException(e.getMessage(), e);
- }
- }
- /**
- * Setter for the field <code>strategy</code>.
- *
- * @param strategy
- * The merge strategy to use during this update operation.
- * @return {@code this}
- * @since 3.4
- */
- public SubmoduleUpdateCommand setStrategy(MergeStrategy strategy) {
- this.strategy = strategy;
- return this;
- }
- /**
- * Set status callback for submodule clone operation.
- *
- * @param callback
- * the callback
- * @return {@code this}
- * @since 4.8
- */
- public SubmoduleUpdateCommand setCallback(CloneCommand.Callback callback) {
- this.callback = callback;
- return this;
- }
- /**
- * Set status callback for submodule fetch operation.
- *
- * @param callback
- * the callback
- * @return {@code this}
- * @since 4.9
- */
- public SubmoduleUpdateCommand setFetchCallback(
- FetchCommand.Callback callback) {
- this.fetchCallback = callback;
- return this;
- }
- }