Example usage for org.eclipse.jgit.dircache DirCacheCheckout DirCacheCheckout

List of usage examples for org.eclipse.jgit.dircache DirCacheCheckout DirCacheCheckout

Introduction

In this page you can find the example usage for org.eclipse.jgit.dircache DirCacheCheckout DirCacheCheckout.

Prototype

public DirCacheCheckout(Repository repo, DirCache dc, ObjectId mergeCommitTree, WorkingTreeIterator workingTree)
        throws IOException 

Source Link

Document

Constructs a DirCacheCeckout for checking out one tree, merging with the index.

Usage

From source file:org.craftercms.studio.impl.v1.util.git.CherryPickCommandEx.java

License:Eclipse Distribution License

/**
 * Executes the {@code Cherry-Pick} command with all the options and
 * parameters collected by the setter methods (e.g. {@link #include(Ref)} of
 * this class. Each instance of this class should only be used for one
 * invocation of the command. Don't call this method twice on an instance.
 *
 * @return the result of the cherry-pick
 * @throws GitAPIException//from   ww w.  ja  va  2  s.com
 * @throws WrongRepositoryStateException
 * @throws ConcurrentRefUpdateException
 * @throws UnmergedPathsException
 * @throws NoMessageException
 * @throws NoHeadException
 */
@Override
public CherryPickResult call() throws GitAPIException {
    RevCommit newHead = null;
    List<Ref> cherryPickedRefs = new LinkedList<>();
    checkCallable();

    try (RevWalk revWalk = new RevWalk(repo)) {

        // get the head commit
        Ref headRef = repo.exactRef(Constants.HEAD);
        if (headRef == null)
            throw new NoHeadException(JGitText.get().commitOnRepoWithoutHEADCurrentlyNotSupported);

        newHead = revWalk.parseCommit(headRef.getObjectId());

        // loop through all refs to be cherry-picked
        for (Ref src : commits) {
            // 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);

            Merger merger = strategy.newMerger(repo);
            if (merger.merge(newHead, srcCommit)) {
                if (AnyObjectId.equals(newHead.getTree().getId(), merger.getResultTreeId()))
                    continue;
                DirCacheCheckout dco = new DirCacheCheckout(repo, newHead.getTree(), repo.lockDirCache(),
                        merger.getResultTreeId());
                dco.setFailOnConflict(true);
                dco.checkout();
                if (!noCommit)
                    newHead = new Git(getRepository()).commit().setMessage(srcCommit.getFullMessage())
                            .setReflogComment(reflogPrefix + " " //$NON-NLS-1$
                                    + srcCommit.getShortMessage())
                            .setAuthor(srcCommit.getAuthorIdent()).setNoVerify(true).call();
                cherryPickedRefs.add(src);
            } else {
                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.eclipse.egit.core.op.BranchOperation.java

License:Open Source License

private void checkoutTree() throws TeamException {
    try {/*from w  ww .  j  a  v a2s .c  o  m*/
        DirCacheCheckout dirCacheCheckout = new DirCacheCheckout(repository, oldTree, repository.lockDirCache(),
                newTree);
        dirCacheCheckout.setFailOnConflict(true);
        boolean result = dirCacheCheckout.checkout();
        if (!result)
            retryDelete(dirCacheCheckout);
    } catch (CheckoutConflictException e) {
        TeamException teamException = new TeamException(e.getMessage());
        throw teamException;
    } catch (IOException e) {
        throw new TeamException(CoreText.BranchOperation_checkoutProblem, e);
    }
}

From source file:org.eclipse.egit.core.op.CloneOperation.java

License:Open Source License

private void doCheckout(final IProgressMonitor monitor) throws IOException {
    final Ref head = fetchResult.getAdvertisedRef(branch);
    if (head == null || head.getObjectId() == null)
        return;/*w  ww. j a  va 2s.c  o  m*/

    final RevWalk rw = new RevWalk(local);
    final RevCommit mapCommit;
    try {
        mapCommit = rw.parseCommit(head.getObjectId());
    } finally {
        rw.release();
    }

    final RefUpdate u;

    u = local.updateRef(Constants.HEAD);
    u.setNewObjectId(mapCommit.getId());
    u.forceUpdate();

    monitor.setTaskName(CoreText.CloneOperation_checkingOutFiles);
    DirCacheCheckout dirCacheCheckout = new DirCacheCheckout(local, null, local.lockDirCache(),
            mapCommit.getTree());
    dirCacheCheckout.setFailOnConflict(true);
    boolean result = dirCacheCheckout.checkout();
    if (!result)
        // this should never happen when writing in an empty folder
        throw new IOException("Internal error occured on checking out files"); //$NON-NLS-1$
    monitor.setTaskName(CoreText.CloneOperation_writingIndex);
}

From source file:org.eclipse.orion.server.git.jobs.StashApplyCommand.java

License:Eclipse Distribution License

/**
 * Apply the changes in a stashed commit to the working directory and index
 *
 * @return id of stashed commit that was applied TODO: Does anyone depend on this, or could we make it more like Merge/CherryPick/Revert?
 * @throws GitAPIException/* w w w . j  av a  2s .co m*/
 * @throws WrongRepositoryStateException
 * @throws NoHeadException
 * @throws StashApplyFailureException
 */
@Override
public ObjectId call()
        throws GitAPIException, WrongRepositoryStateException, NoHeadException, StashApplyFailureException {
    checkCallable();

    if (!ignoreRepositoryState && repo.getRepositoryState() != RepositoryState.SAFE)
        throw new WrongRepositoryStateException(
                MessageFormat.format(JGitText.get().stashApplyOnUnsafeRepository, repo.getRepositoryState()));

    ObjectReader reader = repo.newObjectReader();
    try {
        RevWalk revWalk = new RevWalk(reader);

        ObjectId headCommit = repo.resolve(Constants.HEAD);
        if (headCommit == null)
            throw new NoHeadException(JGitText.get().stashApplyWithoutHead);

        final ObjectId stashId = getStashId();
        RevCommit stashCommit = revWalk.parseCommit(stashId);
        if (stashCommit.getParentCount() < 2 || stashCommit.getParentCount() > 3)
            throw new JGitInternalException(
                    MessageFormat.format(JGitText.get().stashCommitIncorrectNumberOfParents, stashId.name(),
                            Integer.valueOf(stashCommit.getParentCount())));

        ObjectId headTree = repo.resolve(Constants.HEAD + "^{tree}"); //$NON-NLS-1$
        ObjectId stashIndexCommit = revWalk.parseCommit(stashCommit.getParent(1));
        ObjectId stashHeadCommit = stashCommit.getParent(0);
        ObjectId untrackedCommit = null;
        if (applyUntracked && stashCommit.getParentCount() == 3)
            untrackedCommit = revWalk.parseCommit(stashCommit.getParent(2));

        ResolveMerger merger = (ResolveMerger) strategy.newMerger(repo);
        merger.setCommitNames(new String[] { "stashed HEAD", "HEAD", "stash" });
        merger.setBase(stashHeadCommit);
        merger.setWorkingTreeIterator(new FileTreeIterator(repo));
        if (merger.merge(headCommit, stashCommit)) {
            DirCache dc = repo.lockDirCache();
            DirCacheCheckout dco = new DirCacheCheckout(repo, headTree, dc, merger.getResultTreeId());
            dco.setFailOnConflict(true);
            dco.checkout(); // Ignoring failed deletes....
            if (applyIndex) {
                ResolveMerger ixMerger = (ResolveMerger) strategy.newMerger(repo, true);
                ixMerger.setCommitNames(new String[] { "stashed HEAD", "HEAD", "stashed index" });
                ixMerger.setBase(stashHeadCommit);
                boolean ok = ixMerger.merge(headCommit, stashIndexCommit);
                if (ok) {
                    resetIndex(revWalk.parseTree(ixMerger.getResultTreeId()));
                } else {
                    throw new StashApplyFailureException(JGitText.get().stashApplyConflict);
                }
            }

            if (untrackedCommit != null) {
                ResolveMerger untrackedMerger = (ResolveMerger) strategy.newMerger(repo, true);
                untrackedMerger.setCommitNames(new String[] { "stashed HEAD", "HEAD", "untracked files" }); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
                untrackedMerger.setBase(stashHeadCommit);
                boolean ok = untrackedMerger.merge(stashHeadCommit, untrackedCommit);
                if (ok)
                    try {
                        RevTree untrackedTree = revWalk.parseTree(untrackedMerger.getResultTreeId());
                        resetUntracked(untrackedTree);
                    } catch (CheckoutConflictException e) {
                        throw new StashApplyFailureException(JGitText.get().stashApplyConflict);
                    }
                else
                    throw new StashApplyFailureException(JGitText.get().stashApplyConflict);
            }
        } else {
            throw new StashApplyFailureException(JGitText.get().stashApplyConflict);
        }
        return stashId;

    } catch (JGitInternalException e) {
        throw e;
    } catch (IOException e) {
        throw new JGitInternalException(JGitText.get().stashApplyFailed, e);
    } finally {
        reader.release();
    }
}

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;/*w ww.  j av  a 2s.c  om*/
    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  w w  . j  av  a  2  s . c o  m*/
    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.openengsb.connector.git.internal.GitServiceImpl.java

License:Apache License

protected void doCheckout(FetchResult fetchResult) throws IOException {
    final Ref head = fetchResult.getAdvertisedRef(Constants.R_HEADS + watchBranch);
    final RevWalk rw = new RevWalk(repository);
    final RevCommit mapCommit;
    try {//www  .j  av a2  s .com
        LOGGER.debug("Mapping received reference to respective commit.");
        mapCommit = rw.parseCommit(head.getObjectId());
    } finally {
        rw.release();
    }

    final RefUpdate u;

    boolean detached = !head.getName().startsWith(Constants.R_HEADS);
    LOGGER.debug("Updating HEAD reference to revision [{}]", mapCommit.getId().name());
    u = repository.updateRef(Constants.HEAD, detached);
    u.setNewObjectId(mapCommit.getId());
    u.forceUpdate();

    DirCacheCheckout dirCacheCheckout = new DirCacheCheckout(repository, null, repository.lockDirCache(),
            mapCommit.getTree());
    dirCacheCheckout.setFailOnConflict(true);
    boolean checkoutResult = dirCacheCheckout.checkout();
    LOGGER.debug("Checked out new repository revision to working directory");
    if (!checkoutResult) {
        throw new IOException("Internal error occured on checking out files");
    }
}

From source file:util.ChkoutCmd.java

License:Eclipse Distribution License

/**
 * @throws RefAlreadyExistsException/*  w ww. ja v a2 s. c o m*/
 *             when trying to create (without force) a branch with a name
 *             that already exists
 * @throws RefNotFoundException
 *             if the start point or branch can not be found
 * @throws InvalidRefNameException
 *             if the provided name is <code>null</code> or otherwise
 *             invalid
 * @throws CheckoutConflictException
 *             if the checkout results in a conflict
 * @return the newly created branch
 */
public Ref call() throws GitAPIException, RefAlreadyExistsException, RefNotFoundException,
        InvalidRefNameException, CheckoutConflictException {
    checkCallable();
    processOptions();
    try {
        if (checkoutAllPaths || !paths.isEmpty()) {
            checkoutPaths();
            status = new CheckoutResult(Status.OK, paths);
            setCallable(false);
            return null;
        }

        if (createBranch) {
            Git git = new Git(repo);
            CreateBranchCommand command = git.branchCreate();
            command.setName(name);
            command.setStartPoint(getStartPoint().name());
            if (upstreamMode != null)
                command.setUpstreamMode(upstreamMode);
            command.call();
        }

        Ref headRef = repo.getRef(Constants.HEAD);
        String shortHeadRef = getShortBranchName(headRef);
        String refLogMessage = "checkout: moving from " + shortHeadRef; //$NON-NLS-1$
        ObjectId branch = repo.resolve(name);
        if (branch == null)
            throw new RefNotFoundException(MessageFormat.format(JGitText.get().refNotResolved, name));

        RevWalk revWalk = new RevWalk(repo);
        AnyObjectId headId = headRef.getObjectId();
        RevCommit headCommit = headId == null ? null : revWalk.parseCommit(headId);
        RevCommit newCommit = revWalk.parseCommit(branch);
        RevTree headTree = headCommit == null ? null : headCommit.getTree();
        DirCacheCheckout dco;
        DirCache dc = repo.lockDirCache();
        try {
            dco = new DirCacheCheckout(repo, headTree, dc, newCommit.getTree());
            dco.setFailOnConflict(false);
            try {
                dco.checkout();
            } catch (org.eclipse.jgit.errors.CheckoutConflictException e) {
                status = new CheckoutResult(Status.CONFLICTS, dco.getConflicts());
                throw new CheckoutConflictException(dco.getConflicts(), e);
            }
        } finally {
            dc.unlock();
        }
        Ref ref = repo.getRef(name);
        if (ref != null && !ref.getName().startsWith(Constants.R_HEADS))
            ref = null;
        String toName = Repository.shortenRefName(name);
        RefUpdate refUpdate = repo.updateRef(Constants.HEAD, ref == null);
        refUpdate.setForceUpdate(force);
        refUpdate.setRefLogMessage(refLogMessage + " to " + toName, false); //$NON-NLS-1$
        Result updateResult;
        if (ref != null)
            updateResult = refUpdate.link(ref.getName());
        else {
            refUpdate.setNewObjectId(newCommit);
            updateResult = refUpdate.forceUpdate();
        }

        setCallable(false);

        boolean ok = false;
        switch (updateResult) {
        case NEW:
            ok = true;
            break;
        case NO_CHANGE:
        case FAST_FORWARD:
        case FORCED:
            ok = true;
            break;
        default:
            break;
        }

        if (!ok)
            throw new JGitInternalException(
                    MessageFormat.format(JGitText.get().checkoutUnexpectedResult, updateResult.name()));

        if (!dco.getToBeDeleted().isEmpty()) {
            status = new CheckoutResult(Status.NONDELETED, dco.getToBeDeleted());
        } else
            status = new CheckoutResult(new ArrayList<String>(dco.getUpdated().keySet()), dco.getRemoved());

        return ref;
    } catch (IOException ioe) {
        throw new JGitInternalException(ioe.getMessage(), ioe);
    } finally {
        if (status == null)
            status = CheckoutResult.ERROR_RESULT;
    }
}