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

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

Introduction

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

Prototype

public ObjectId getNewObjectId() 

Source Link

Document

Get the new value the ref will be (or was) updated to.

Usage

From source file:com.gitblit.git.PatchsetReceivePack.java

License:Apache License

private void updateReflog(RefUpdate ru) {
    if (ru == null) {
        return;//w ww  .jav a2s .  c om
    }

    ReceiveCommand.Type type = null;
    switch (ru.getResult()) {
    case NEW:
        type = Type.CREATE;
        break;
    case FAST_FORWARD:
        type = Type.UPDATE;
        break;
    case FORCED:
        type = Type.UPDATE_NONFASTFORWARD;
        break;
    default:
        LOGGER.error(
                MessageFormat.format("unexpected ref update type {0} for {1}", ru.getResult(), ru.getName()));
        return;
    }
    ReceiveCommand cmd = new ReceiveCommand(ru.getOldObjectId(), ru.getNewObjectId(), ru.getName(), type);
    RefLogUtils.updateRefLog(user, getRepository(), Arrays.asList(cmd));
}

From source file:com.google.gerrit.common.ChangeHookRunner.java

License:Apache License

@Override
public void doRefUpdatedHook(Branch.NameKey refName, RefUpdate refUpdate, Account account) {
    doRefUpdatedHook(refName, refUpdate.getOldObjectId(), refUpdate.getNewObjectId(), account);
}

From source file:com.google.gerrit.server.extensions.events.GitReferenceUpdated.java

License:Apache License

public void fire(Project.NameKey project, RefUpdate refUpdate, ReceiveCommand.Type type) {
    fire(project, refUpdate.getName(), refUpdate.getOldObjectId(), refUpdate.getNewObjectId(), type);
}

From source file:com.google.gerrit.server.extensions.events.GitReferenceUpdated.java

License:Apache License

public void fire(Project.NameKey project, RefUpdate refUpdate) {
    fire(project, refUpdate.getName(), refUpdate.getOldObjectId(), refUpdate.getNewObjectId(),
            ReceiveCommand.Type.UPDATE);
}

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 {//from   ww w. j  av a  2s  . c om
            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.validators.RefOperationValidators.java

License:Apache License

public static ReceiveCommand getCommand(RefUpdate update, ReceiveCommand.Type type) {
    return new ReceiveCommand(update.getOldObjectId(), update.getNewObjectId(), update.getName(), type);
}

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 va 2  s  . c  o  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:svnserver.repository.git.push.GitPushEmbedded.java

License:GNU General Public License

private void runReceiveHook(@NotNull Repository repository, @NotNull RefUpdate refUpdate, @NotNull String hook,
        @NotNull User userInfo) throws IOException, SVNException {
    runHook(repository, hook, userInfo, processBuilder -> {
        final Process process = processBuilder.start();
        try (Writer stdin = new OutputStreamWriter(process.getOutputStream(), StandardCharsets.UTF_8)) {
            stdin.write(getObjectId(refUpdate.getOldObjectId()));
            stdin.write(' ');
            stdin.write(getObjectId(refUpdate.getNewObjectId()));
            stdin.write(' ');
            stdin.write(refUpdate.getName());
            stdin.write('\n');
        }/*from w  ww.  j  a  v a  2s. c o  m*/
        return process;
    });
}

From source file:svnserver.repository.git.push.GitPushEmbedded.java

License:GNU General Public License

private void runUpdateHook(@NotNull Repository repository, @NotNull RefUpdate refUpdate, @Nullable String hook,
        @NotNull User userInfo) throws IOException, SVNException {
    runHook(repository, hook, userInfo, processBuilder -> {
        processBuilder.command().addAll(Arrays.asList(refUpdate.getName(),
                getObjectId(refUpdate.getOldObjectId()), getObjectId(refUpdate.getNewObjectId())));
        return processBuilder.start();
    });/*from   w  ww .ja  v  a 2 s . c o m*/
}