226 lines
8.3 KiB
Java
226 lines
8.3 KiB
Java
// Copyright (C) 2016 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.server;
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import static com.google.common.base.Preconditions.checkArgument;
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import static com.google.common.collect.ImmutableMap.toImmutableMap;
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import static com.google.gerrit.server.ChangeUtil.PS_ID_ORDER;
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import static com.google.gerrit.server.notedb.PatchSetState.PUBLISHED;
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import static java.util.Objects.requireNonNull;
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import static java.util.function.Function.identity;
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import com.google.common.collect.ImmutableCollection;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.Maps;
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import com.google.common.collect.Sets;
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import com.google.common.collect.Streams;
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import com.google.gerrit.common.data.LabelFunction;
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import com.google.gerrit.common.data.LabelType;
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import com.google.gerrit.extensions.restapi.ResourceConflictException;
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import com.google.gerrit.reviewdb.client.Change;
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import com.google.gerrit.reviewdb.client.PatchSet;
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import com.google.gerrit.reviewdb.client.PatchSetApproval;
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import com.google.gerrit.reviewdb.client.Project;
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import com.google.gerrit.reviewdb.client.RevId;
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import com.google.gerrit.reviewdb.server.ReviewDb;
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import com.google.gerrit.server.git.GitRepositoryManager;
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import com.google.gerrit.server.notedb.ChangeNotes;
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import com.google.gerrit.server.notedb.ChangeUpdate;
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import com.google.gerrit.server.notedb.NotesMigration;
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import com.google.gerrit.server.project.ProjectCache;
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import com.google.gerrit.server.project.ProjectState;
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import com.google.gwtorm.server.OrmException;
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import com.google.inject.Inject;
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import com.google.inject.Provider;
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import com.google.inject.Singleton;
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import java.io.IOException;
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import java.sql.Timestamp;
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import java.util.Collections;
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import java.util.List;
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import java.util.Set;
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import org.eclipse.jgit.lib.ObjectId;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.revwalk.RevCommit;
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import org.eclipse.jgit.revwalk.RevWalk;
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/** Utilities for manipulating patch sets. */
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@Singleton
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public class PatchSetUtil {
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private final NotesMigration migration;
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private final Provider<ApprovalsUtil> approvalsUtilProvider;
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private final ProjectCache projectCache;
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private final Provider<ReviewDb> dbProvider;
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private final GitRepositoryManager repoManager;
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@Inject
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PatchSetUtil(
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NotesMigration migration,
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Provider<ApprovalsUtil> approvalsUtilProvider,
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ProjectCache projectCache,
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Provider<ReviewDb> dbProvider,
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GitRepositoryManager repoManager) {
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this.migration = migration;
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this.approvalsUtilProvider = approvalsUtilProvider;
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this.projectCache = projectCache;
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this.dbProvider = dbProvider;
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this.repoManager = repoManager;
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}
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public PatchSet current(ReviewDb db, ChangeNotes notes) throws OrmException {
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return get(db, notes, notes.getChange().currentPatchSetId());
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}
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public PatchSet get(ReviewDb db, ChangeNotes notes, PatchSet.Id psId) throws OrmException {
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if (!migration.readChanges()) {
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return db.patchSets().get(psId);
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}
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return notes.load().getPatchSets().get(psId);
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}
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public ImmutableCollection<PatchSet> byChange(ReviewDb db, ChangeNotes notes)
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throws OrmException {
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if (!migration.readChanges()) {
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return PS_ID_ORDER.immutableSortedCopy(db.patchSets().byChange(notes.getChangeId()));
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}
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return notes.load().getPatchSets().values();
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}
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public ImmutableMap<PatchSet.Id, PatchSet> byChangeAsMap(ReviewDb db, ChangeNotes notes)
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throws OrmException {
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if (!migration.readChanges()) {
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ImmutableMap.Builder<PatchSet.Id, PatchSet> result = ImmutableMap.builder();
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for (PatchSet ps : PS_ID_ORDER.sortedCopy(db.patchSets().byChange(notes.getChangeId()))) {
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result.put(ps.getId(), ps);
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}
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return result.build();
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}
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return notes.load().getPatchSets();
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}
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public ImmutableMap<PatchSet.Id, PatchSet> getAsMap(
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ReviewDb db, ChangeNotes notes, Set<PatchSet.Id> patchSetIds) throws OrmException {
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if (!migration.readChanges()) {
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patchSetIds = Sets.filter(patchSetIds, p -> p.getParentKey().equals(notes.getChangeId()));
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return Streams.stream(db.patchSets().get(patchSetIds))
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.sorted(PS_ID_ORDER)
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.collect(toImmutableMap(PatchSet::getId, identity()));
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}
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return ImmutableMap.copyOf(Maps.filterKeys(notes.load().getPatchSets(), patchSetIds::contains));
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}
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public PatchSet insert(
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ReviewDb db,
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RevWalk rw,
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ChangeUpdate update,
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PatchSet.Id psId,
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ObjectId commit,
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List<String> groups,
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String pushCertificate,
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String description)
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throws OrmException, IOException {
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requireNonNull(groups, "groups may not be null");
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ensurePatchSetMatches(psId, update);
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PatchSet ps = new PatchSet(psId);
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ps.setRevision(new RevId(commit.name()));
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ps.setUploader(update.getAccountId());
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ps.setCreatedOn(new Timestamp(update.getWhen().getTime()));
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ps.setGroups(groups);
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ps.setPushCertificate(pushCertificate);
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ps.setDescription(description);
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db.patchSets().insert(Collections.singleton(ps));
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update.setCommit(rw, commit, pushCertificate);
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update.setPsDescription(description);
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update.setGroups(groups);
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return ps;
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}
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public void publish(ReviewDb db, ChangeUpdate update, PatchSet ps) throws OrmException {
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ensurePatchSetMatches(ps.getId(), update);
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update.setPatchSetState(PUBLISHED);
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db.patchSets().update(Collections.singleton(ps));
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}
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private static void ensurePatchSetMatches(PatchSet.Id psId, ChangeUpdate update) {
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Change.Id changeId = update.getChange().getId();
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checkArgument(
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psId.getParentKey().equals(changeId),
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"cannot modify patch set %s on update for change %s",
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psId,
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changeId);
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if (update.getPatchSetId() != null) {
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checkArgument(
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update.getPatchSetId().equals(psId),
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"cannot modify patch set %s on update for %s",
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psId,
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update.getPatchSetId());
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} else {
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update.setPatchSetId(psId);
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}
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}
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public void setGroups(ReviewDb db, ChangeUpdate update, PatchSet ps, List<String> groups)
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throws OrmException {
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ps.setGroups(groups);
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update.setGroups(groups);
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db.patchSets().update(Collections.singleton(ps));
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}
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/** Check if the current patch set of the change is locked. */
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public void checkPatchSetNotLocked(ChangeNotes notes)
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throws OrmException, IOException, ResourceConflictException {
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if (isPatchSetLocked(notes)) {
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throw new ResourceConflictException(
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String.format("The current patch set of change %s is locked", notes.getChangeId()));
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}
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}
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/** Is the current patch set locked against state changes? */
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public boolean isPatchSetLocked(ChangeNotes notes) throws OrmException, IOException {
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Change change = notes.getChange();
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if (change.getStatus() == Change.Status.MERGED) {
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return false;
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}
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ProjectState projectState = projectCache.checkedGet(notes.getProjectName());
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requireNonNull(
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projectState, () -> String.format("Failed to load project %s", notes.getProjectName()));
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ApprovalsUtil approvalsUtil = approvalsUtilProvider.get();
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for (PatchSetApproval ap :
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approvalsUtil.byPatchSet(dbProvider.get(), notes, change.currentPatchSetId(), null, null)) {
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LabelType type = projectState.getLabelTypes(notes).byLabel(ap.getLabel());
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if (type != null
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&& ap.getValue() == 1
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&& type.getFunction() == LabelFunction.PATCH_SET_LOCK) {
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return true;
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}
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}
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return false;
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}
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/** Returns the commit for the given project at the given patchset revision */
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public RevCommit getRevCommit(Project.NameKey project, PatchSet patchSet) throws IOException {
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try (Repository repo = repoManager.openRepository(project);
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RevWalk rw = new RevWalk(repo)) {
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RevCommit src = rw.parseCommit(ObjectId.fromString(patchSet.getRevision().get()));
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rw.parseBody(src);
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return src;
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}
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}
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}
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