Example usage for org.eclipse.jgit.merge MergeStrategy RESOLVE

List of usage examples for org.eclipse.jgit.merge MergeStrategy RESOLVE

Introduction

In this page you can find the example usage for org.eclipse.jgit.merge MergeStrategy RESOLVE.

Prototype

ThreeWayMergeStrategy RESOLVE

To view the source code for org.eclipse.jgit.merge MergeStrategy RESOLVE.

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Document

Simple strategy to merge paths.

Usage

From source file:org.jboss.as.server.controller.git.GitRepository.java

License:Apache License

public GitRepository(GitRepositoryConfiguration gitConfig)
        throws IllegalArgumentException, IOException, ConfigXMLParseException, GeneralSecurityException {
    this.basePath = gitConfig.getBasePath();
    this.branch = gitConfig.getBranch();
    this.ignored = gitConfig.getIgnored();
    this.defaultRemoteRepository = gitConfig.getRepository();
    File baseDir = basePath.toFile();
    File gitDir = new File(baseDir, DOT_GIT);
    if (gitConfig.getAuthenticationConfig() != null) {
        CredentialsProvider//from   www. ja  v a  2 s .c  o m
                .setDefault(new ElytronClientCredentialsProvider(gitConfig.getAuthenticationConfig()));
    }
    if (gitDir.exists()) {
        try {
            repository = new FileRepositoryBuilder().setWorkTree(baseDir).setGitDir(gitDir).setup().build();
        } catch (IOException ex) {
            throw ServerLogger.ROOT_LOGGER.failedToPullRepository(ex, gitConfig.getRepository());
        }
        try (Git git = Git.wrap(repository)) {
            git.clean();
            if (!isLocalGitRepository(gitConfig.getRepository())) {
                String remote = getRemoteName(gitConfig.getRepository());
                checkoutToSelectedBranch(git);
                PullResult result = git.pull().setRemote(remote).setRemoteBranchName(branch)
                        .setStrategy(MergeStrategy.RESOLVE).call();
                if (!result.isSuccessful()) {
                    throw ServerLogger.ROOT_LOGGER.failedToPullRepository(null, gitConfig.getRepository());
                }
            } else {
                if (!this.branch.equals(repository.getBranch())) {
                    CheckoutCommand checkout = git.checkout().setName(branch);
                    checkout.call();
                    if (checkout.getResult().getStatus() == CheckoutResult.Status.ERROR) {
                        throw ServerLogger.ROOT_LOGGER.failedToPullRepository(null, gitConfig.getRepository());
                    }
                }
            }
        } catch (GitAPIException ex) {
            throw ServerLogger.ROOT_LOGGER.failedToPullRepository(ex, gitConfig.getRepository());
        }
    } else {
        if (isLocalGitRepository(gitConfig.getRepository())) {
            try (Git git = Git.init().setDirectory(baseDir).call()) {
                final AddCommand addCommand = git.add();
                addCommand.addFilepattern("data/content/");
                Path configurationDir = basePath.resolve("configuration");
                try (Stream<Path> files = Files.list(configurationDir)) {
                    files.filter(configFile -> !"logging.properties".equals(configFile.getFileName().toString())
                            && Files.isRegularFile(configFile))
                            .forEach(configFile -> addCommand.addFilepattern(getPattern(configFile)));
                }
                addCommand.call();
                createGitIgnore(git, basePath);
                git.commit().setMessage(ServerLogger.ROOT_LOGGER.repositoryInitialized()).call();
            } catch (GitAPIException | IOException ex) {
                throw ServerLogger.ROOT_LOGGER.failedToInitRepository(ex, gitConfig.getRepository());
            }
        } else {
            clearExistingFiles(basePath, gitConfig.getRepository());
            try (Git git = Git.init().setDirectory(baseDir).call()) {
                String remoteName = UUID.randomUUID().toString();
                StoredConfig config = git.getRepository().getConfig();
                config.setString("remote", remoteName, "url", gitConfig.getRepository());
                config.setString("remote", remoteName, "fetch",
                        "+" + R_HEADS + "*:" + R_REMOTES + remoteName + "/*");
                config.save();
                git.clean();
                git.pull().setRemote(remoteName).setRemoteBranchName(branch).setStrategy(MergeStrategy.RESOLVE)
                        .call();
                checkoutToSelectedBranch(git);
                if (createGitIgnore(git, basePath)) {
                    git.commit().setMessage(ServerLogger.ROOT_LOGGER.addingIgnored()).call();
                }
            } catch (GitAPIException ex) {
                throw ServerLogger.ROOT_LOGGER.failedToInitRepository(ex, gitConfig.getRepository());
            }
        }
        repository = new FileRepositoryBuilder().setWorkTree(baseDir).setGitDir(gitDir).setup().build();
    }
    ServerLogger.ROOT_LOGGER.usingGit();
}

From source file:org.jboss.forge.addon.git.GitUtilsImpl.java

License:Open Source License

@Override
public CherryPickResult cherryPickNoMerge(final Git git, Ref src)
        throws GitAPIException, CantMergeCommitException {
    // Does the same as the original git-cherryPick
    // except commiting after running merger
    Repository repo = git.getRepository();

    RevCommit newHead = null;/*from   ww w  .  j a  v  a 2 s .co  m*/
    List<Ref> cherryPickedRefs = new LinkedList<Ref>();

    try (RevWalk revWalk = new RevWalk(repo)) {
        // get the head commit
        Ref headRef = repo.findRef(Constants.HEAD);
        if (headRef == null)
            throw new NoHeadException(JGitText.get().commitOnRepoWithoutHEADCurrentlyNotSupported);
        RevCommit headCommit = revWalk.parseCommit(headRef.getObjectId());

        newHead = headCommit;

        // get the commit to be cherry-picked
        // handle annotated tags
        ObjectId srcObjectId = src.getPeeledObjectId();
        if (srcObjectId == null)
            srcObjectId = src.getObjectId();
        RevCommit srcCommit = revWalk.parseCommit(srcObjectId);

        // get the parent of the commit to cherry-pick
        if (srcCommit.getParentCount() == 0)
            throw new CantMergeCommitException("Commit with zero parents cannot be merged");

        if (srcCommit.getParentCount() > 1)
            throw new MultipleParentsNotAllowedException(
                    MessageFormat.format(JGitText.get().canOnlyCherryPickCommitsWithOneParent, srcCommit.name(),
                            Integer.valueOf(srcCommit.getParentCount())));

        RevCommit srcParent = srcCommit.getParent(0);
        revWalk.parseHeaders(srcParent);

        ResolveMerger merger = (ResolveMerger) MergeStrategy.RESOLVE.newMerger(repo);
        merger.setWorkingTreeIterator(new FileTreeIterator(repo));
        merger.setBase(srcParent.getTree());
        if (merger.merge(headCommit, srcCommit)) {
            DirCacheCheckout dco = new DirCacheCheckout(repo, headCommit.getTree(), repo.lockDirCache(),
                    merger.getResultTreeId());
            dco.setFailOnConflict(true);
            dco.checkout();

            cherryPickedRefs.add(src);
        } else {
            if (merger.failed())
                return new CherryPickResult(merger.getFailingPaths());

            // there are merge conflicts
            String message = new MergeMessageFormatter().formatWithConflicts(srcCommit.getFullMessage(),
                    merger.getUnmergedPaths());

            repo.writeCherryPickHead(srcCommit.getId());
            repo.writeMergeCommitMsg(message);

            return CherryPickResult.CONFLICT;
        }
    } catch (IOException e) {
        throw new JGitInternalException(
                MessageFormat.format(JGitText.get().exceptionCaughtDuringExecutionOfCherryPickCommand, e), e);
    }
    return new CherryPickResult(newHead, cherryPickedRefs);
}

From source file:org.jboss.forge.git.GitUtils.java

License:Open Source License

public static CherryPickResult cherryPickNoMerge(final Git git, Ref src)
        throws GitAPIException, CantMergeCommitWithZeroParentsException {
    // Does the same as the original git-cherryPick
    // except commiting after running merger
    Repository repo = git.getRepository();

    RevCommit newHead = null;//from w ww.  j a  va 2  s  .  c om
    List<Ref> cherryPickedRefs = new LinkedList<Ref>();

    RevWalk revWalk = new RevWalk(repo);
    try {
        // get the head commit
        Ref headRef = repo.getRef(Constants.HEAD);
        if (headRef == null)
            throw new NoHeadException(JGitText.get().commitOnRepoWithoutHEADCurrentlyNotSupported);
        RevCommit headCommit = revWalk.parseCommit(headRef.getObjectId());

        newHead = headCommit;

        // get the commit to be cherry-picked
        // handle annotated tags
        ObjectId srcObjectId = src.getPeeledObjectId();
        if (srcObjectId == null)
            srcObjectId = src.getObjectId();
        RevCommit srcCommit = revWalk.parseCommit(srcObjectId);

        // get the parent of the commit to cherry-pick
        if (srcCommit.getParentCount() == 0)
            throw new CantMergeCommitWithZeroParentsException("Commit with zero parents cannot be merged");

        if (srcCommit.getParentCount() > 1)
            throw new MultipleParentsNotAllowedException(
                    MessageFormat.format(JGitText.get().canOnlyCherryPickCommitsWithOneParent, srcCommit.name(),
                            Integer.valueOf(srcCommit.getParentCount())));

        RevCommit srcParent = srcCommit.getParent(0);
        revWalk.parseHeaders(srcParent);

        ResolveMerger merger = (ResolveMerger) MergeStrategy.RESOLVE.newMerger(repo);
        merger.setWorkingTreeIterator(new FileTreeIterator(repo));
        merger.setBase(srcParent.getTree());
        if (merger.merge(headCommit, srcCommit)) {
            DirCacheCheckout dco = new DirCacheCheckout(repo, headCommit.getTree(), repo.lockDirCache(),
                    merger.getResultTreeId());
            dco.setFailOnConflict(true);
            dco.checkout();

            cherryPickedRefs.add(src);
        } else {
            if (merger.failed())
                return new CherryPickResult(merger.getFailingPaths());

            // there are merge conflicts
            String message = new MergeMessageFormatter().formatWithConflicts(srcCommit.getFullMessage(),
                    merger.getUnmergedPaths());

            repo.writeCherryPickHead(srcCommit.getId());
            repo.writeMergeCommitMsg(message);

            return CherryPickResult.CONFLICT;
        }
    } catch (IOException e) {
        throw new JGitInternalException(
                MessageFormat.format(JGitText.get().exceptionCaughtDuringExecutionOfCherryPickCommand, e), e);
    } finally {
        revWalk.release();
    }

    return new CherryPickResult(newHead, cherryPickedRefs);
}

From source file:org.jboss.tools.openshift.egit.core.EGitUtils.java

License:Open Source License

/**
 * Merges current master with the given branch. The strategy used is Resolve
 * since egit does still not support the Recusive stragety.
 * //  w  w w  .  j a va 2s. c om
 * @param branch
 *            the branch to merge
 * @param repository
 *            the repository the branch is in
 * @param monitor
 *            the monitor to report the progress to
 * @return the result of the merge
 * @throws CoreException
 * 
 * @see MergeStrategy#RESOLVE
 * @link 
 *       http://www.eclipse.org/forums/index.php/mv/msg/261278/753913/#msg_753913
 * @link https://bugs.eclipse.org/bugs/show_bug.cgi?id=354099
 * @link https://bugs.eclipse.org/bugs/show_bug.cgi?id=359951
 */
private static MergeResult merge(String branch, Repository repository, IProgressMonitor monitor)
        throws CoreException {
    MergeOperation merge = new MergeOperation(repository, branch, MergeStrategy.RESOLVE.getName());
    merge.execute(monitor);
    return merge.getResult();
}

From source file:org.kie.commons.java.nio.fs.jgit.util.JGitUtil.java

License:Apache License

public static MergeResult mergeBranches(final Git git, final String source, final String target)
        throws Exception {

    final Repository repo = git.getRepository();
    final MergeStrategy mergeStrategy = MergeStrategy.RESOLVE;
    final List<Ref> commits = new LinkedList<Ref>();
    final boolean squash = false;

    RevWalk revWalk = null;/*from  w  ww  .  j a v a 2 s .c o m*/
    DirCacheCheckout dco = null;
    try {
        Ref head = repo.getRef(Constants.HEAD);
        if (head == null) {
            throw new NoHeadException(JGitText.get().commitOnRepoWithoutHEADCurrentlyNotSupported);
        }
        final StringBuilder refLogMessage = new StringBuilder("merge ");

        // Check for FAST_FORWARD, ALREADY_UP_TO_DATE
        revWalk = new RevWalk(repo);

        // we know for now there is only one commit
        Ref ref = commits.get(0);

        refLogMessage.append(ref.getName());

        // handle annotated tags
        ObjectId objectId = ref.getPeeledObjectId();
        if (objectId == null) {
            objectId = ref.getObjectId();
        }

        final RevCommit srcCommit = revWalk.lookupCommit(objectId);

        ObjectId headId = head.getObjectId();
        if (headId == null) {
            revWalk.parseHeaders(srcCommit);
            dco = new DirCacheCheckout(repo, repo.lockDirCache(), srcCommit.getTree());
            dco.setFailOnConflict(true);
            dco.checkout();
            RefUpdate refUpdate = repo.updateRef(head.getTarget().getName());
            refUpdate.setNewObjectId(objectId);
            refUpdate.setExpectedOldObjectId(null);
            refUpdate.setRefLogMessage("initial pull", false);
            if (refUpdate.update() != RefUpdate.Result.NEW) {
                throw new NoHeadException(JGitText.get().commitOnRepoWithoutHEADCurrentlyNotSupported);
            }

            return new MergeResult(srcCommit, srcCommit, new ObjectId[] { null, srcCommit },
                    MergeStatus.FAST_FORWARD, mergeStrategy, null, null);
        }

        final RevCommit headCommit = revWalk.lookupCommit(headId);

        if (revWalk.isMergedInto(srcCommit, headCommit)) {
            return new MergeResult(headCommit, srcCommit, new ObjectId[] { headCommit, srcCommit },
                    ALREADY_UP_TO_DATE, mergeStrategy, null, null);
        } else if (revWalk.isMergedInto(headCommit, srcCommit)) {
            // FAST_FORWARD detected: skip doing a real merge but only
            // update HEAD
            refLogMessage.append(": " + FAST_FORWARD);
            dco = new DirCacheCheckout(repo, headCommit.getTree(), repo.lockDirCache(), srcCommit.getTree());
            dco.setFailOnConflict(true);
            dco.checkout();
            String msg = null;
            ObjectId newHead, base = null;
            final MergeStatus mergeStatus;
            if (!squash) {
                updateHead(git, refLogMessage, srcCommit, headId);
                newHead = base = srcCommit;
                mergeStatus = FAST_FORWARD;
            } else {
                msg = JGitText.get().squashCommitNotUpdatingHEAD;
                newHead = base = headId;
                mergeStatus = FAST_FORWARD_SQUASHED;
                final List<RevCommit> squashedCommits = RevWalkUtils.find(revWalk, srcCommit, headCommit);
                final String squashMessage = new SquashMessageFormatter().format(squashedCommits, head);
                repo.writeSquashCommitMsg(squashMessage);
            }
            return new MergeResult(newHead, base, new ObjectId[] { headCommit, srcCommit }, mergeStatus,
                    mergeStrategy, null, msg);
        } else {
            String mergeMessage = "";
            if (!squash) {
                mergeMessage = new MergeMessageFormatter().format(commits, head);
                repo.writeMergeCommitMsg(mergeMessage);
                repo.writeMergeHeads(Arrays.asList(ref.getObjectId()));
            } else {
                final List<RevCommit> squashedCommits = RevWalkUtils.find(revWalk, srcCommit, headCommit);
                final String squashMessage = new SquashMessageFormatter().format(squashedCommits, head);
                repo.writeSquashCommitMsg(squashMessage);
            }
            boolean noProblems;
            final Merger merger = mergeStrategy.newMerger(repo);
            final Map<String, org.eclipse.jgit.merge.MergeResult<?>> lowLevelResults;
            final Map<String, ResolveMerger.MergeFailureReason> failingPaths;
            final List<String> unmergedPaths;

            if (merger instanceof ResolveMerger) {
                ResolveMerger resolveMerger = (ResolveMerger) merger;
                resolveMerger.setCommitNames(new String[] { "BASE", "HEAD", ref.getName() });
                resolveMerger.setWorkingTreeIterator(new FileTreeIterator(repo));
                noProblems = merger.merge(headCommit, srcCommit);
                lowLevelResults = resolveMerger.getMergeResults();
                failingPaths = resolveMerger.getFailingPaths();
                unmergedPaths = resolveMerger.getUnmergedPaths();
            } else {
                noProblems = merger.merge(headCommit, srcCommit);
                lowLevelResults = emptyMap();
                failingPaths = emptyMap();
                unmergedPaths = emptyList();
            }

            refLogMessage.append(": Merge made by ");
            refLogMessage.append(mergeStrategy.getName());
            refLogMessage.append('.');
            if (noProblems) {
                dco = new DirCacheCheckout(repo, headCommit.getTree(), repo.lockDirCache(),
                        merger.getResultTreeId());
                dco.setFailOnConflict(true);
                dco.checkout();

                String msg = null;
                RevCommit newHead = null;
                MergeStatus mergeStatus = null;
                if (!squash) {
                    newHead = new Git(repo).commit().setReflogComment(refLogMessage.toString()).call();
                    mergeStatus = MERGED;
                } else {
                    msg = JGitText.get().squashCommitNotUpdatingHEAD;
                    newHead = headCommit;
                    mergeStatus = MERGED_SQUASHED;
                }
                return new MergeResult(newHead.getId(), null,
                        new ObjectId[] { headCommit.getId(), srcCommit.getId() }, mergeStatus, mergeStrategy,
                        null, msg);
            } else {
                if (failingPaths != null && !failingPaths.isEmpty()) {
                    repo.writeMergeCommitMsg(null);
                    repo.writeMergeHeads(null);
                    return new MergeResult(null, merger.getBaseCommit(0, 1),
                            new ObjectId[] { headCommit.getId(), srcCommit.getId() }, FAILED, mergeStrategy,
                            lowLevelResults, failingPaths, null);
                } else {
                    final String mergeMessageWithConflicts = new MergeMessageFormatter()
                            .formatWithConflicts(mergeMessage, unmergedPaths);
                    repo.writeMergeCommitMsg(mergeMessageWithConflicts);
                    return new MergeResult(null, merger.getBaseCommit(0, 1),
                            new ObjectId[] { headCommit.getId(), srcCommit.getId() }, CONFLICTING,
                            mergeStrategy, lowLevelResults, null);
                }
            }
        }
    } catch (org.eclipse.jgit.errors.CheckoutConflictException e) {
        final List<String> conflicts = (dco == null) ? Collections.<String>emptyList() : dco.getConflicts();
        throw new CheckoutConflictException(conflicts, e);
    } catch (java.io.IOException e) {
        throw new JGitInternalException(
                MessageFormat.format(JGitText.get().exceptionCaughtDuringExecutionOfMergeCommand, e), e);
    } finally {
        if (revWalk != null) {
            revWalk.release();
        }
    }
}