Example usage for org.eclipse.jgit.lib RefUpdate setForceUpdate

List of usage examples for org.eclipse.jgit.lib RefUpdate setForceUpdate

Introduction

In this page you can find the example usage for org.eclipse.jgit.lib RefUpdate setForceUpdate.

Prototype

public void setForceUpdate(boolean b) 

Source Link

Document

Set if this update wants to forcefully change the ref.

Usage

From source file:com.google.gerrit.server.edit.ChangeEditUtil.java

License:Apache License

private static void deleteRef(Repository repo, ChangeEdit edit) throws IOException {
    String refName = edit.getRefName();
    RefUpdate ru = repo.updateRef(refName, true);
    ru.setExpectedOldObjectId(edit.getRef().getObjectId());
    ru.setForceUpdate(true);
    RefUpdate.Result result = ru.delete();
    switch (result) {
    case FORCED:/*from   ww  w . j  av  a2 s  .  c  o  m*/
    case NEW:
    case NO_CHANGE:
        break;
    default:
        throw new IOException(String.format("Failed to delete ref %s: %s", refName, result));
    }
}

From source file:com.google.gerrit.server.git.MergeOp.java

License:Apache License

private RefUpdate updateBranch(Branch.NameKey destBranch) throws MergeException {
    RefUpdate branchUpdate = getPendingRefUpdate(destBranch);
    CodeReviewCommit branchTip = getBranchTip(destBranch);

    MergeTip mergeTip = mergeTips.get(destBranch);

    CodeReviewCommit currentTip = mergeTip != null ? mergeTip.getCurrentTip() : null;
    if (Objects.equals(branchTip, currentTip)) {
        if (currentTip != null) {
            logDebug("Branch already at merge tip {}, no update to perform", currentTip.name());
        } else {/* w  w  w  .  j a va 2s .co m*/
            logDebug("Both branch and merge tip are nonexistent, no update");
        }
        return null;
    } else if (currentTip == null) {
        logDebug("No merge tip, no update to perform");
        return null;
    }

    if (RefNames.REFS_CONFIG.equals(branchUpdate.getName())) {
        logDebug("Loading new configuration from {}", RefNames.REFS_CONFIG);
        try {
            ProjectConfig cfg = new ProjectConfig(destProject.getProject().getNameKey());
            cfg.load(repo, currentTip);
        } catch (Exception e) {
            throw new MergeException("Submit would store invalid" + " project configuration "
                    + currentTip.name() + " for " + destProject.getProject().getName(), e);
        }
    }

    branchUpdate.setRefLogIdent(refLogIdent);
    branchUpdate.setForceUpdate(false);
    branchUpdate.setNewObjectId(currentTip);
    branchUpdate.setRefLogMessage("merged", true);
    try {
        RefUpdate.Result result = branchUpdate.update(rw);
        logDebug("Update of {}: {}..{} returned status {}", branchUpdate.getName(),
                branchUpdate.getOldObjectId(), branchUpdate.getNewObjectId(), result);
        switch (result) {
        case NEW:
        case FAST_FORWARD:
            if (branchUpdate.getResult() == RefUpdate.Result.FAST_FORWARD) {
                tagCache.updateFastForward(destBranch.getParentKey(), branchUpdate.getName(),
                        branchUpdate.getOldObjectId(), currentTip);
            }

            if (RefNames.REFS_CONFIG.equals(branchUpdate.getName())) {
                Project p = destProject.getProject();
                projectCache.evict(p);
                destProject = projectCache.get(p.getNameKey());
                repoManager.setProjectDescription(p.getNameKey(), p.getDescription());
            }

            return branchUpdate;

        case LOCK_FAILURE:
            throw new MergeException("Failed to lock " + branchUpdate.getName());
        default:
            throw new IOException(branchUpdate.getResult().name() + '\n' + branchUpdate);
        }
    } catch (IOException e) {
        throw new MergeException("Cannot update " + branchUpdate.getName(), e);
    }
}

From source file:com.google.gerrit.server.git.SubmoduleOp.java

License:Apache License

/**
 * Update the submodules in one branch of one repository.
 *
 * @param subscriber the branch of the repository which should be changed.
 * @param updates submodule updates which should be updated to.
 * @throws SubmoduleException/*w  w  w. ja  va 2 s  .co m*/
 */
private void updateGitlinks(ReviewDb db, Branch.NameKey subscriber, Collection<SubmoduleSubscription> updates)
        throws SubmoduleException {
    PersonIdent author = null;
    StringBuilder msgbuf = new StringBuilder("Updated git submodules\n\n");
    boolean sameAuthorForAll = true;

    try (Repository pdb = repoManager.openRepository(subscriber.getParentKey())) {
        if (pdb.getRef(subscriber.get()) == null) {
            throw new SubmoduleException("The branch was probably deleted from the subscriber repository");
        }

        DirCache dc = readTree(pdb, pdb.getRef(subscriber.get()));
        DirCacheEditor ed = dc.editor();

        for (SubmoduleSubscription s : updates) {
            try (Repository subrepo = repoManager.openRepository(s.getSubmodule().getParentKey());
                    RevWalk rw = CodeReviewCommit.newRevWalk(subrepo)) {
                Ref ref = subrepo.getRefDatabase().exactRef(s.getSubmodule().get());
                if (ref == null) {
                    ed.add(new DeletePath(s.getPath()));
                    continue;
                }

                final ObjectId updateTo = ref.getObjectId();
                RevCommit newCommit = rw.parseCommit(updateTo);

                if (author == null) {
                    author = newCommit.getAuthorIdent();
                } else if (!author.equals(newCommit.getAuthorIdent())) {
                    sameAuthorForAll = false;
                }

                DirCacheEntry dce = dc.getEntry(s.getPath());
                ObjectId oldId;
                if (dce != null) {
                    if (!dce.getFileMode().equals(FileMode.GITLINK)) {
                        log.error("Requested to update gitlink " + s.getPath() + " in "
                                + s.getSubmodule().getParentKey().get() + " but entry "
                                + "doesn't have gitlink file mode.");
                        continue;
                    }
                    oldId = dce.getObjectId();
                } else {
                    // This submodule did not exist before. We do not want to add
                    // the full submodule history to the commit message, so omit it.
                    oldId = updateTo;
                }

                ed.add(new PathEdit(s.getPath()) {
                    @Override
                    public void apply(DirCacheEntry ent) {
                        ent.setFileMode(FileMode.GITLINK);
                        ent.setObjectId(updateTo);
                    }
                });
                if (verboseSuperProject) {
                    msgbuf.append("Project: " + s.getSubmodule().getParentKey().get());
                    msgbuf.append(" " + s.getSubmodule().getShortName());
                    msgbuf.append(" " + updateTo.getName());
                    msgbuf.append("\n\n");

                    try {
                        rw.markStart(newCommit);
                        rw.markUninteresting(rw.parseCommit(oldId));
                        for (RevCommit c : rw) {
                            msgbuf.append(c.getFullMessage() + "\n\n");
                        }
                    } catch (IOException e) {
                        logAndThrowSubmoduleException(
                                "Could not perform a revwalk to " + "create superproject commit message", e);
                    }
                }
            }
        }
        ed.finish();

        if (!sameAuthorForAll || author == null) {
            author = myIdent;
        }

        ObjectInserter oi = pdb.newObjectInserter();
        ObjectId tree = dc.writeTree(oi);

        ObjectId currentCommitId = pdb.getRef(subscriber.get()).getObjectId();

        CommitBuilder commit = new CommitBuilder();
        commit.setTreeId(tree);
        commit.setParentIds(new ObjectId[] { currentCommitId });
        commit.setAuthor(author);
        commit.setCommitter(myIdent);
        commit.setMessage(msgbuf.toString());
        oi.insert(commit);
        oi.flush();

        ObjectId commitId = oi.idFor(Constants.OBJ_COMMIT, commit.build());

        final RefUpdate rfu = pdb.updateRef(subscriber.get());
        rfu.setForceUpdate(false);
        rfu.setNewObjectId(commitId);
        rfu.setExpectedOldObjectId(currentCommitId);
        rfu.setRefLogMessage("Submit to " + subscriber.getParentKey().get(), true);

        switch (rfu.update()) {
        case NEW:
        case FAST_FORWARD:
            gitRefUpdated.fire(subscriber.getParentKey(), rfu);
            changeHooks.doRefUpdatedHook(subscriber, rfu, account);
            // TODO since this is performed "in the background" no mail will be
            // sent to inform users about the updated branch
            break;

        default:
            throw new IOException(rfu.getResult().name());
        }
        // Recursive call: update subscribers of the subscriber
        updateSuperProjects(db, Sets.newHashSet(subscriber));
    } catch (IOException e) {
        throw new SubmoduleException("Cannot update gitlinks for " + subscriber.get(), e);
    }
}

From source file:com.google.gerrit.server.git.VersionedMetaData.java

License:Apache License

/**
 * Open a batch of updates to the same metadata ref.
 * <p>//from w  w  w . j a v  a  2  s  . co  m
 * This allows making multiple commits to a single metadata ref, at the end of
 * which is a single ref update. For batching together updates to multiple
 * refs (each consisting of one or more commits against their respective
 * refs), create the {@link MetaDataUpdate} with a {@link BatchRefUpdate}.
 * <p>
 * A ref update produced by this {@link BatchMetaDataUpdate} is only committed
 * if there is no associated {@link BatchRefUpdate}. As a result, the
 * configured ref updated event is not fired if there is an associated batch.
 *
 * @param update helper info about the update.
 * @throws IOException if the update failed.
 */
public BatchMetaDataUpdate openUpdate(final MetaDataUpdate update) throws IOException {
    final Repository db = update.getRepository();

    reader = db.newObjectReader();
    inserter = db.newObjectInserter();
    final RevWalk rw = new RevWalk(reader);
    final RevTree tree = revision != null ? rw.parseTree(revision) : null;
    newTree = readTree(tree);
    return new BatchMetaDataUpdate() {
        AnyObjectId src = revision;
        AnyObjectId srcTree = tree;

        @Override
        public void write(CommitBuilder commit) throws IOException {
            write(VersionedMetaData.this, commit);
        }

        private boolean doSave(VersionedMetaData config, CommitBuilder commit) throws IOException {
            DirCache nt = config.newTree;
            ObjectReader r = config.reader;
            ObjectInserter i = config.inserter;
            try {
                config.newTree = newTree;
                config.reader = reader;
                config.inserter = inserter;
                return config.onSave(commit);
            } catch (ConfigInvalidException e) {
                throw new IOException(
                        "Cannot update " + getRefName() + " in " + db.getDirectory() + ": " + e.getMessage(),
                        e);
            } finally {
                config.newTree = nt;
                config.reader = r;
                config.inserter = i;
            }
        }

        @Override
        public void write(VersionedMetaData config, CommitBuilder commit) throws IOException {
            if (!doSave(config, commit)) {
                return;
            }

            // Reuse tree from parent commit unless there are contents in newTree or
            // there is no tree for a parent commit.
            ObjectId res = newTree.getEntryCount() != 0 || srcTree == null ? newTree.writeTree(inserter)
                    : srcTree.copy();
            if (res.equals(srcTree) && !update.allowEmpty() && (commit.getTreeId() == null)) {
                // If there are no changes to the content, don't create the commit.
                return;
            }

            // If changes are made to the DirCache and those changes are written as
            // a commit and then the tree ID is set for the CommitBuilder, then
            // those previous DirCache changes will be ignored and the commit's
            // tree will be replaced with the ID in the CommitBuilder. The same is
            // true if you explicitly set tree ID in a commit and then make changes
            // to the DirCache; that tree ID will be ignored and replaced by that of
            // the tree for the updated DirCache.
            if (commit.getTreeId() == null) {
                commit.setTreeId(res);
            } else {
                // In this case, the caller populated the tree without using DirCache.
                res = commit.getTreeId();
            }

            if (src != null) {
                commit.addParentId(src);
            }

            if (update.insertChangeId()) {
                ObjectId id = ChangeIdUtil.computeChangeId(res, getRevision(), commit.getAuthor(),
                        commit.getCommitter(), commit.getMessage());
                commit.setMessage(ChangeIdUtil.insertId(commit.getMessage(), id));
            }

            src = inserter.insert(commit);
            srcTree = res;
        }

        @Override
        public RevCommit createRef(String refName) throws IOException {
            if (Objects.equals(src, revision)) {
                return revision;
            }
            return updateRef(ObjectId.zeroId(), src, refName);
        }

        @Override
        public void removeRef(String refName) throws IOException {
            RefUpdate ru = db.updateRef(refName);
            ru.setForceUpdate(true);
            if (revision != null) {
                ru.setExpectedOldObjectId(revision);
            }
            RefUpdate.Result result = ru.delete();
            switch (result) {
            case FORCED:
                update.fireGitRefUpdatedEvent(ru);
                return;
            default:
                throw new IOException(
                        "Cannot delete " + ru.getName() + " in " + db.getDirectory() + ": " + ru.getResult());
            }
        }

        @Override
        public RevCommit commit() throws IOException {
            return commitAt(revision);
        }

        @Override
        public RevCommit commitAt(ObjectId expected) throws IOException {
            if (Objects.equals(src, expected)) {
                return revision;
            }
            return updateRef(MoreObjects.firstNonNull(expected, ObjectId.zeroId()), src, getRefName());
        }

        @Override
        public void close() {
            newTree = null;

            rw.close();
            if (inserter != null) {
                inserter.close();
                inserter = null;
            }

            if (reader != null) {
                reader.close();
                reader = null;
            }
        }

        private RevCommit updateRef(AnyObjectId oldId, AnyObjectId newId, String refName) throws IOException {
            BatchRefUpdate bru = update.getBatch();
            if (bru != null) {
                bru.addCommand(new ReceiveCommand(oldId.toObjectId(), newId.toObjectId(), refName));
                inserter.flush();
                revision = rw.parseCommit(newId);
                return revision;
            }

            RefUpdate ru = db.updateRef(refName);
            ru.setExpectedOldObjectId(oldId);
            ru.setNewObjectId(src);
            ru.setRefLogIdent(update.getCommitBuilder().getAuthor());
            String message = update.getCommitBuilder().getMessage();
            if (message == null) {
                message = "meta data update";
            }
            try (BufferedReader reader = new BufferedReader(new StringReader(message))) {
                // read the subject line and use it as reflog message
                ru.setRefLogMessage("commit: " + reader.readLine(), true);
            }
            inserter.flush();
            RefUpdate.Result result = ru.update();
            switch (result) {
            case NEW:
            case FAST_FORWARD:
                revision = rw.parseCommit(ru.getNewObjectId());
                update.fireGitRefUpdatedEvent(ru);
                return revision;
            default:
                throw new IOException(
                        "Cannot update " + ru.getName() + " in " + db.getDirectory() + ": " + ru.getResult());
            }
        }
    };
}

From source file:com.google.gerrit.server.notedb.ChangeDelete.java

License:Apache License

public void delete() throws OrmException, IOException {
    plcUtil.deleteAllDraftsFromAllUsers(notes.getChangeId());

    RefUpdate ru = repo.updateRef(notes.getRefName());
    ru.setExpectedOldObjectId(notes.load().getRevision());
    ru.setNewObjectId(ObjectId.zeroId());
    ru.setForceUpdate(true);
    ru.setRefLogMessage("Delete change from NoteDb", false);
    RefUpdate.Result result = ru.delete();
    switch (result) {
    case FAST_FORWARD:
    case FORCED:/*from   www.  j  av  a2  s  .  c o m*/
    case NO_CHANGE:
        break;

    case IO_FAILURE:
    case LOCK_FAILURE:
    case NEW:
    case NOT_ATTEMPTED:
    case REJECTED:
    case REJECTED_CURRENT_BRANCH:
    case RENAMED:
    default:
        throw new IOException(String.format("Failed to delete change ref %s at %s: %s", notes.getRefName(),
                notes.getRevision(), result));
    }
}

From source file:com.google.gerrit.server.notedb.ChangeRebuilder.java

License:Apache License

private void deleteRef(Change change, Repository changeRepo) throws IOException {
    String refName = ChangeNoteUtil.changeRefName(change.getId());
    RefUpdate ru = changeRepo.updateRef(refName, true);
    ru.setForceUpdate(true);
    RefUpdate.Result result = ru.delete();
    switch (result) {
    case FORCED://from w w  w .ja  va  2  s.  co  m
    case NEW:
    case NO_CHANGE:
        break;
    default:
        throw new IOException(String.format("Failed to delete ref %s: %s", refName, result));
    }
}

From source file:com.google.gerrit.server.project.DeleteBranch.java

License:Apache License

@Override
public Response<?> apply(BranchResource rsrc, Input input)
        throws AuthException, ResourceConflictException, OrmException, IOException {
    if (!rsrc.getControl().controlForRef(rsrc.getBranchKey()).canDelete()) {
        throw new AuthException("Cannot delete branch");
    }//from   ww w  .java 2s.  c  o  m
    if (!queryProvider.get().setLimit(1).byBranchOpen(rsrc.getBranchKey()).isEmpty()) {
        throw new ResourceConflictException("branch " + rsrc.getBranchKey() + " has open changes");
    }

    try (Repository r = repoManager.openRepository(rsrc.getNameKey())) {
        RefUpdate.Result result;
        RefUpdate u = r.updateRef(rsrc.getRef());
        u.setForceUpdate(true);
        int remainingLockFailureCalls = MAX_LOCK_FAILURE_CALLS;
        for (;;) {
            try {
                result = u.delete();
            } catch (LockFailedException e) {
                result = RefUpdate.Result.LOCK_FAILURE;
            } catch (IOException e) {
                log.error("Cannot delete " + rsrc.getBranchKey(), e);
                throw e;
            }
            if (result == RefUpdate.Result.LOCK_FAILURE && --remainingLockFailureCalls > 0) {
                try {
                    Thread.sleep(SLEEP_ON_LOCK_FAILURE_MS);
                } catch (InterruptedException ie) {
                    // ignore
                }
            } else {
                break;
            }
        }

        switch (result) {
        case NEW:
        case NO_CHANGE:
        case FAST_FORWARD:
        case FORCED:
            referenceUpdated.fire(rsrc.getNameKey(), u, ReceiveCommand.Type.DELETE);
            hooks.doRefUpdatedHook(rsrc.getBranchKey(), u, identifiedUser.get().getAccount());
            ResultSet<SubmoduleSubscription> submoduleSubscriptions = dbProvider.get().submoduleSubscriptions()
                    .bySuperProject(rsrc.getBranchKey());
            dbProvider.get().submoduleSubscriptions().delete(submoduleSubscriptions);
            break;

        case REJECTED_CURRENT_BRANCH:
            log.error("Cannot delete " + rsrc.getBranchKey() + ": " + result.name());
            throw new ResourceConflictException("cannot delete current branch");

        default:
            log.error("Cannot delete " + rsrc.getBranchKey() + ": " + result.name());
            throw new ResourceConflictException("cannot delete branch: " + result.name());
        }
    }
    return Response.none();
}

From source file:com.google.gerrit.server.project.DeleteRef.java

License:Apache License

private void deleteSingleRef(Repository r) throws IOException, ResourceConflictException {
    String ref = refsToDelete.get(0);
    if (prefix != null && !ref.startsWith(prefix)) {
        ref = prefix + ref;/*ww  w  .j  a va  2  s .c o m*/
    }
    RefUpdate.Result result;
    RefUpdate u = r.updateRef(ref);
    u.setExpectedOldObjectId(r.exactRef(ref).getObjectId());
    u.setNewObjectId(ObjectId.zeroId());
    u.setForceUpdate(true);
    refDeletionValidator.validateRefOperation(resource.getName(), identifiedUser.get(), u);
    int remainingLockFailureCalls = MAX_LOCK_FAILURE_CALLS;
    for (;;) {
        try {
            result = u.delete();
        } catch (LockFailedException e) {
            result = RefUpdate.Result.LOCK_FAILURE;
        } catch (IOException e) {
            log.error("Cannot delete " + ref, e);
            throw e;
        }
        if (result == RefUpdate.Result.LOCK_FAILURE && --remainingLockFailureCalls > 0) {
            try {
                Thread.sleep(SLEEP_ON_LOCK_FAILURE_MS);
            } catch (InterruptedException ie) {
                // ignore
            }
        } else {
            break;
        }
    }

    switch (result) {
    case NEW:
    case NO_CHANGE:
    case FAST_FORWARD:
    case FORCED:
        referenceUpdated.fire(resource.getNameKey(), u, ReceiveCommand.Type.DELETE,
                identifiedUser.get().getAccount());
        break;

    case REJECTED_CURRENT_BRANCH:
        log.error("Cannot delete " + ref + ": " + result.name());
        throw new ResourceConflictException("cannot delete current branch");

    case IO_FAILURE:
    case LOCK_FAILURE:
    case NOT_ATTEMPTED:
    case REJECTED:
    case RENAMED:
    default:
        log.error("Cannot delete " + ref + ": " + result.name());
        throw new ResourceConflictException("cannot delete: " + result.name());
    }
}

From source file:com.google.gerrit.server.project.DeleteRef.java

License:Apache License

private ReceiveCommand createDeleteCommand(ProjectResource project, Repository r, String refName)
        throws OrmException, IOException, ResourceConflictException {
    Ref ref = r.getRefDatabase().getRef(refName);
    ReceiveCommand command;/*from  www. ja v  a  2 s  . c om*/
    if (ref == null) {
        command = new ReceiveCommand(ObjectId.zeroId(), ObjectId.zeroId(), refName);
        command.setResult(Result.REJECTED_OTHER_REASON,
                "it doesn't exist or you do not have permission to delete it");
        return command;
    }
    command = new ReceiveCommand(ref.getObjectId(), ObjectId.zeroId(), ref.getName());

    if (!project.getControl().controlForRef(refName).canDelete()) {
        command.setResult(Result.REJECTED_OTHER_REASON,
                "it doesn't exist or you do not have permission to delete it");
    }

    if (!refName.startsWith(R_TAGS)) {
        Branch.NameKey branchKey = new Branch.NameKey(project.getNameKey(), ref.getName());
        if (!queryProvider.get().setLimit(1).byBranchOpen(branchKey).isEmpty()) {
            command.setResult(Result.REJECTED_OTHER_REASON, "it has open changes");
        }
    }

    RefUpdate u = r.updateRef(refName);
    u.setForceUpdate(true);
    u.setExpectedOldObjectId(r.exactRef(refName).getObjectId());
    u.setNewObjectId(ObjectId.zeroId());
    refDeletionValidator.validateRefOperation(project.getName(), identifiedUser.get(), u);
    return command;
}

From source file:com.google.gerrit.server.schema.Schema_146.java

License:Apache License

private void rewriteUserBranch(Repository repo, RevWalk rw, ObjectInserter oi, ObjectId emptyTree, Ref ref,
        Account account) throws IOException {
    ObjectId current = createInitialEmptyCommit(oi, emptyTree, account.getRegisteredOn());

    rw.reset();/*ww w. j av  a 2  s.  co  m*/
    rw.sort(RevSort.TOPO);
    rw.sort(RevSort.REVERSE, true);
    rw.markStart(rw.parseCommit(ref.getObjectId()));

    RevCommit c;
    while ((c = rw.next()) != null) {
        if (isInitialEmptyCommit(emptyTree, c)) {
            return;
        }

        CommitBuilder cb = new CommitBuilder();
        cb.setParentId(current);
        cb.setTreeId(c.getTree());
        cb.setAuthor(c.getAuthorIdent());
        cb.setCommitter(c.getCommitterIdent());
        cb.setMessage(c.getFullMessage());
        cb.setEncoding(c.getEncoding());
        current = oi.insert(cb);
    }

    oi.flush();

    RefUpdate ru = repo.updateRef(ref.getName());
    ru.setExpectedOldObjectId(ref.getObjectId());
    ru.setNewObjectId(current);
    ru.setForceUpdate(true);
    ru.setRefLogIdent(serverIdent);
    ru.setRefLogMessage(getClass().getSimpleName(), true);
    Result result = ru.update();
    if (result != Result.FORCED) {
        throw new IOException(String.format("Failed to update ref %s: %s", ref.getName(), result.name()));
    }
}