Examples with ObjectReader org.eclipse.jgit.lib.ObjectReader used on opensource projects

Example 96 with ObjectReader

use of org.eclipse.jgit.lib.ObjectReader in project gerrit by GerritCodeReview.

the class FixReplacementInterpreter method getNewCommitMessage.

private static String getNewCommitMessage(Repository repository, ObjectId patchSetCommitId, List<FixReplacement> fixReplacements) throws ResourceConflictException, IOException {
    try (ObjectReader reader = repository.newObjectReader()) {
        // In the magic /COMMIT_MSG file, the actual commit message is placed after some generated
        // header lines. -> Need to find out to which actual line of the commit message a replacement
        // refers.
        MagicFile commitMessageFile = MagicFile.forCommitMessage(reader, patchSetCommitId);
        int commitMessageStartLine = commitMessageFile.getStartLineOfModifiableContent();
        // Line numbers are 1-based. -> Add 1 to not move first line.
        // Move up for any additionally found lines.
        int necessaryRangeShift = -commitMessageStartLine + 1;
        ImmutableList<FixReplacement> adjustedReplacements = shiftRangesBy(fixReplacements, necessaryRangeShift);
        if (referToNonPositiveLine(adjustedReplacements)) {
            throw new ResourceConflictException(String.format("The header of the %s file cannot be modified.", Patch.COMMIT_MSG));
        }
        String commitMessage = commitMessageFile.modifiableContent();
        return FixCalculator.getNewFileContent(commitMessage, adjustedReplacements);
    }
}

Example 97 with ObjectReader

use of org.eclipse.jgit.lib.ObjectReader in project gerrit by GerritCodeReview.

the class ReceiveCommits method autoCloseChanges.

private void autoCloseChanges(ReceiveCommand cmd, Task progress) {
    try (TraceTimer traceTimer = newTimer("autoCloseChanges")) {
        logger.atFine().log("Starting auto-closing of changes");
        String refName = cmd.getRefName();
        Set<Change.Id> ids = new HashSet<>();
        // handleRegularCommands
        try {
            retryHelper.changeUpdate("autoCloseChanges", updateFactory -> {
                try (BatchUpdate bu = updateFactory.create(projectState.getNameKey(), user, TimeUtil.now());
                    ObjectInserter ins = repo.newObjectInserter();
                    ObjectReader reader = ins.newReader();
                    RevWalk rw = new RevWalk(reader)) {
                    if (ObjectId.zeroId().equals(cmd.getOldId())) {
                        // potentially expensive computation that loop over all commits.
                        return null;
                    }
                    bu.setRepository(repo, rw, ins);
                    // TODO(dborowitz): Teach BatchUpdate to ignore missing changes.
                    RevCommit newTip = rw.parseCommit(cmd.getNewId());
                    BranchNameKey branch = BranchNameKey.create(project.getNameKey(), refName);
                    rw.reset();
                    rw.sort(RevSort.REVERSE);
                    rw.markStart(newTip);
                    rw.markUninteresting(rw.parseCommit(cmd.getOldId()));
                    Map<Change.Key, ChangeNotes> byKey = null;
                    List<ReplaceRequest> replaceAndClose = new ArrayList<>();
                    int existingPatchSets = 0;
                    int newPatchSets = 0;
                    SubmissionId submissionId = null;
                    COMMIT: for (RevCommit c; (c = rw.next()) != null; ) {
                        rw.parseBody(c);
                        // refs pointing to this commit.
                        for (PatchSet.Id psId : receivePackRefCache.patchSetIdsFromObjectId(c.copy())) {
                            Optional<ChangeNotes> notes = getChangeNotes(psId.changeId());
                            if (notes.isPresent() && notes.get().getChange().getDest().equals(branch)) {
                                if (submissionId == null) {
                                    submissionId = new SubmissionId(notes.get().getChange());
                                }
                                existingPatchSets++;
                                bu.addOp(notes.get().getChangeId(), setPrivateOpFactory.create(false, null));
                                bu.addOp(psId.changeId(), mergedByPushOpFactory.create(requestScopePropagator, psId, submissionId, refName, newTip.getId().getName()));
                                continue COMMIT;
                            }
                        }
                        for (String changeId : ChangeUtil.getChangeIdsFromFooter(c, urlFormatter.get())) {
                            if (byKey == null) {
                                byKey = retryHelper.changeIndexQuery("queryOpenChangesByKeyByBranch", q -> openChangesByKeyByBranch(q, branch)).call();
                            }
                            ChangeNotes onto = byKey.get(Change.key(changeId.trim()));
                            if (onto != null) {
                                newPatchSets++;
                                // Hold onto this until we're done with the walk, as the call to
                                // req.validate below calls isMergedInto which resets the walk.
                                ReplaceRequest req = new ReplaceRequest(onto.getChangeId(), c, cmd, false);
                                req.notes = onto;
                                replaceAndClose.add(req);
                                continue COMMIT;
                            }
                        }
                    }
                    for (ReplaceRequest req : replaceAndClose) {
                        Change.Id id = req.notes.getChangeId();
                        if (!req.validateNewPatchSetForAutoClose()) {
                            logger.atFine().log("Not closing %s because validation failed", id);
                            continue;
                        }
                        if (submissionId == null) {
                            submissionId = new SubmissionId(req.notes.getChange());
                        }
                        req.addOps(bu, null);
                        bu.addOp(id, setPrivateOpFactory.create(false, null));
                        bu.addOp(id, mergedByPushOpFactory.create(requestScopePropagator, req.psId, submissionId, refName, newTip.getId().getName()).setPatchSetProvider(req.replaceOp::getPatchSet));
                        bu.addOp(id, new ChangeProgressOp(progress));
                        ids.add(id);
                    }
                    logger.atFine().log("Auto-closing %d changes with existing patch sets and %d with new patch" + " sets", existingPatchSets, newPatchSets);
                    bu.execute();
                } catch (IOException | StorageException | PermissionBackendException e) {
                    throw new StorageException("Failed to auto-close changes", e);
                }
                // If we are here, we didn't throw UpdateException. Record the result.
                // The ordering is indeterminate due to the HashSet; unfortunately, Change.Id
                // doesn't
                // fit into TreeSet.
                ids.stream().forEach(id -> result.addChange(ReceiveCommitsResult.ChangeStatus.AUTOCLOSED, id));
                return null;
            }).defaultTimeoutMultiplier(5).call();
        } catch (RestApiException e) {
            logger.atSevere().withCause(e).log("Can't insert patchset");
        } catch (UpdateException e) {
            logger.atSevere().withCause(e).log("Failed to auto-close changes");
        } finally {
            logger.atFine().log("Done auto-closing changes");
        }
    }
}

Example 98 with ObjectReader

use of org.eclipse.jgit.lib.ObjectReader in project gerrit by GerritCodeReview.

the class ReceiveCommits method insertChangesAndPatchSets.

private void insertChangesAndPatchSets(ImmutableList<CreateRequest> newChanges, Task replaceProgress) {
    try (TraceTimer traceTimer = newTimer("insertChangesAndPatchSets", Metadata.builder().resourceCount(newChanges.size()))) {
        ReceiveCommand magicBranchCmd = magicBranch != null ? magicBranch.cmd : null;
        if (magicBranchCmd != null && magicBranchCmd.getResult() != NOT_ATTEMPTED) {
            logger.atWarning().log("Skipping change updates on %s because ref update failed: %s %s", project.getName(), magicBranchCmd.getResult(), Strings.nullToEmpty(magicBranchCmd.getMessage()));
            return;
        }
        try (BatchUpdate bu = batchUpdateFactory.create(project.getNameKey(), user.materializedCopy(), TimeUtil.now());
            ObjectInserter ins = repo.newObjectInserter();
            ObjectReader reader = ins.newReader();
            RevWalk rw = new RevWalk(reader)) {
            bu.setRepository(repo, rw, ins);
            bu.setRefLogMessage("push");
            if (magicBranch != null) {
                bu.setNotify(magicBranch.getNotifyForNewChange());
            }
            logger.atFine().log("Adding %d replace requests", newChanges.size());
            for (ReplaceRequest replace : replaceByChange.values()) {
                replace.addOps(bu, replaceProgress);
                if (magicBranch != null) {
                    bu.setNotifyHandling(replace.ontoChange, magicBranch.getNotifyHandling(replace.notes));
                    if (magicBranch.shouldPublishComments()) {
                        bu.addOp(replace.notes.getChangeId(), publishCommentsOp.create(replace.psId, project.getNameKey()));
                        Optional<ChangeNotes> changeNotes = getChangeNotes(replace.notes.getChangeId());
                        if (!changeNotes.isPresent()) {
                            // If not present, no need to update attention set here since this is a new change.
                            continue;
                        }
                        List<HumanComment> drafts = commentsUtil.draftByChangeAuthor(changeNotes.get(), user.getAccountId());
                        if (drafts.isEmpty()) {
                            // If no comments, attention set shouldn't update since the user didn't reply.
                            continue;
                        }
                        replyAttentionSetUpdates.processAutomaticAttentionSetRulesOnReply(bu, changeNotes.get(), isReadyForReview(changeNotes.get()), user, drafts);
                    }
                }
            }
            logger.atFine().log("Adding %d create requests", newChanges.size());
            for (CreateRequest create : newChanges) {
                create.addOps(bu);
            }
            logger.atFine().log("Adding %d group update requests", newChanges.size());
            updateGroups.forEach(r -> r.addOps(bu));
            logger.atFine().log("Executing batch");
            try {
                bu.execute();
            } catch (UpdateException e) {
                throw asRestApiException(e);
            }
            replaceByChange.values().stream().forEach(req -> result.addChange(ReceiveCommitsResult.ChangeStatus.REPLACED, req.ontoChange));
            newChanges.stream().forEach(req -> result.addChange(ReceiveCommitsResult.ChangeStatus.CREATED, req.changeId));
            if (magicBranchCmd != null) {
                magicBranchCmd.setResult(OK);
            }
            for (ReplaceRequest replace : replaceByChange.values()) {
                String rejectMessage = replace.getRejectMessage();
                if (rejectMessage == null) {
                    if (replace.inputCommand.getResult() == NOT_ATTEMPTED) {
                        // Not necessarily the magic branch, so need to set OK on the original value.
                        replace.inputCommand.setResult(OK);
                    }
                } else {
                    logger.atFine().log("Rejecting due to message from ReplaceOp");
                    reject(replace.inputCommand, rejectMessage);
                }
            }
        } catch (ResourceConflictException e) {
            addError(e.getMessage());
            reject(magicBranchCmd, "conflict");
        } catch (BadRequestException | UnprocessableEntityException | AuthException e) {
            logger.atFine().withCause(e).log("Rejecting due to client error");
            reject(magicBranchCmd, e.getMessage());
        } catch (RestApiException | IOException e) {
            throw new StorageException("Can't insert change/patch set for " + project.getName(), e);
        }
        if (magicBranch != null && magicBranch.submit) {
            try {
                submit(newChanges, replaceByChange.values());
            } catch (ResourceConflictException e) {
                addError(e.getMessage());
                reject(magicBranchCmd, "conflict");
            } catch (RestApiException | StorageException | UpdateException | IOException | ConfigInvalidException | PermissionBackendException e) {
                logger.atSevere().withCause(e).log("Error submitting changes to %s", project.getName());
                reject(magicBranchCmd, "error during submit");
            }
        }
    }
}

Example 99 with ObjectReader

use of org.eclipse.jgit.lib.ObjectReader in project gerrit by GerritCodeReview.

the class ReceiveCommits method handleRegularCommands.

private void handleRegularCommands(List<ReceiveCommand> cmds, MultiProgressMonitor progress) throws PermissionBackendException, IOException, NoSuchProjectException {
    try (TraceTimer traceTimer = newTimer("handleRegularCommands", Metadata.builder().resourceCount(cmds.size()))) {
        result.magicPush(false);
        for (ReceiveCommand cmd : cmds) {
            parseRegularCommand(cmd);
        }
        Map<BranchNameKey, ReceiveCommand> branches;
        try (BatchUpdate bu = batchUpdateFactory.create(project.getNameKey(), user.materializedCopy(), TimeUtil.now());
            ObjectInserter ins = repo.newObjectInserter();
            ObjectReader reader = ins.newReader();
            RevWalk rw = new RevWalk(reader);
            MergeOpRepoManager orm = ormProvider.get()) {
            bu.setRepository(repo, rw, ins);
            bu.setRefLogMessage("push");
            int added = 0;
            for (ReceiveCommand cmd : cmds) {
                if (cmd.getResult() == NOT_ATTEMPTED) {
                    bu.addRepoOnlyOp(new UpdateOneRefOp(cmd));
                    added++;
                }
            }
            logger.atFine().log("Added %d additional ref updates", added);
            SubmissionExecutor submissionExecutor = new SubmissionExecutor(false, superprojectUpdateSubmissionListeners);
            submissionExecutor.execute(ImmutableList.of(bu));
            orm.setContext(TimeUtil.now(), user, NotifyResolver.Result.none());
            submissionExecutor.afterExecutions(orm);
            branches = bu.getSuccessfullyUpdatedBranches(false);
        } catch (UpdateException | RestApiException e) {
            throw new StorageException(e);
        }
        // This could be moved into a SubmissionListener
        branches.values().stream().filter(c -> isHead(c) || isConfig(c)).forEach(c -> {
            // BatchUpdate because they involve kicking off an additional BatchUpdate.
            switch(c.getType()) {
                case CREATE:
                case UPDATE:
                case UPDATE_NONFASTFORWARD:
                    Task closeProgress = progress.beginSubTask("closed", UNKNOWN);
                    autoCloseChanges(c, closeProgress);
                    closeProgress.end();
                    break;
                case DELETE:
                    break;
            }
        });
    }
}

Example 100 with ObjectReader

use of org.eclipse.jgit.lib.ObjectReader in project gerrit by GerritCodeReview.

the class VersionedMetaData method openUpdate.

/**
 * Open a batch of updates to the same metadata ref.
 *
 * <p>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.
 *
 * <p>If object inserter, reader and revwalk are provided, then the updates are not flushed,
 * allowing callers the flexibility to flush only once after several updates.
 *
 * @param update helper info about the update.
 * @param objInserter Shared object inserter.
 * @param objReader Shared object reader.
 * @param revWalk Shared rev walk.
 * @throws IOException if the update failed.
 */
public BatchMetaDataUpdate openUpdate(MetaDataUpdate update, ObjectInserter objInserter, ObjectReader objReader, RevWalk revWalk) throws IOException {
    final Repository db = update.getRepository();
    inserter = objInserter == null ? db.newObjectInserter() : objInserter;
    reader = objReader == null ? inserter.newReader() : objReader;
    final RevWalk rw = revWalk == null ? new RevWalk(reader) : revWalk;
    final RevTree tree = revision != null ? rw.parseTree(revision) : null;
    newTree = readTree(tree);
    return new BatchMetaDataUpdate() {

        RevCommit 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;
            RevCommit c = config.revision;
            try {
                config.newTree = newTree;
                config.reader = reader;
                config.inserter = inserter;
                config.revision = src;
                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;
                config.revision = c;
            }
        }

        @Override
        public void write(VersionedMetaData config, CommitBuilder commit) throws IOException {
            checkSameRef(config);
            if (!doSave(config, commit)) {
                return;
            }
            ObjectId res = newTree.writeTree(inserter);
            if (res.equals(srcTree) && !update.allowEmpty() && (commit.getTreeId() == null)) {
                // If there are no changes to the content, don't create the commit.
                return;
            }
            // 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()) {
                commit.setMessage(ChangeIdUtil.insertId(commit.getMessage(), CommitMessageUtil.generateChangeId()));
            }
            src = rw.parseCommit(inserter.insert(commit));
            srcTree = res;
        }

        private void checkSameRef(VersionedMetaData other) {
            String thisRef = VersionedMetaData.this.getRefName();
            String otherRef = other.getRefName();
            checkArgument(otherRef.equals(thisRef), "cannot add %s for %s to %s on %s", other.getClass().getSimpleName(), otherRef, BatchMetaDataUpdate.class.getSimpleName(), thisRef);
        }

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

        @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;
            if (revWalk == null) {
                rw.close();
            }
            if (objInserter == null && inserter != null) {
                inserter.close();
                inserter = null;
            }
            if (objReader == null && 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));
                if (objInserter == null) {
                    inserter.flush();
                }
                revision = rw.parseCommit(newId);
                return revision;
            }
            RefUpdate ru = db.updateRef(refName);
            ru.setExpectedOldObjectId(oldId);
            ru.setNewObjectId(newId);
            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);
            }
            logger.atFine().log("Saving commit '%s' on project '%s'", message.trim(), projectName);
            inserter.flush();
            RefUpdate.Result result = ru.update();
            switch(result) {
                case NEW:
                case FAST_FORWARD:
                    revision = rw.parseCommit(ru.getNewObjectId());
                    update.fireGitRefUpdatedEvent(ru);
                    logger.atFine().log("Saved commit '%s' as revision '%s' on project '%s'", message.trim(), revision.name(), projectName);
                    return revision;
                case LOCK_FAILURE:
                    throw new LockFailureException(errorMsg(ru, db.getDirectory()), ru);
                case FORCED:
                case IO_FAILURE:
                case NOT_ATTEMPTED:
                case NO_CHANGE:
                case REJECTED:
                case REJECTED_CURRENT_BRANCH:
                case RENAMED:
                case REJECTED_MISSING_OBJECT:
                case REJECTED_OTHER_REASON:
                default:
                    throw new GitUpdateFailureException(errorMsg(ru, db.getDirectory()), ru);
            }
        }
    };
}