| // Copyright (C) 2017 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.gerrit.server.schema; |
| |
| import static java.util.stream.Collectors.toList; |
| |
| import com.google.common.primitives.Ints; |
| import com.google.gerrit.reviewdb.client.RefNames; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.StarredChangesUtil; |
| import com.google.gerrit.server.StarredChangesUtil.IllegalLabelException; |
| import com.google.gerrit.server.StarredChangesUtil.StarRef; |
| import com.google.gerrit.server.config.AllUsersName; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Set; |
| import org.eclipse.jgit.lib.BatchRefUpdate; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.Ref; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.lib.TextProgressMonitor; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| import org.eclipse.jgit.transport.ReceiveCommand; |
| |
| public class Schema_161 extends SchemaVersion { |
| private static final String MUTE_LABEL = "mute"; |
| |
| private final GitRepositoryManager repoManager; |
| private final AllUsersName allUsersName; |
| |
| @Inject |
| Schema_161( |
| Provider<Schema_160> prior, GitRepositoryManager repoManager, AllUsersName allUsersName) { |
| super(prior); |
| this.repoManager = repoManager; |
| this.allUsersName = allUsersName; |
| } |
| |
| @Override |
| protected void migrateData(ReviewDb db, UpdateUI ui) throws OrmException { |
| try (Repository git = repoManager.openRepository(allUsersName); |
| RevWalk rw = new RevWalk(git)) { |
| BatchRefUpdate bru = git.getRefDatabase().newBatchUpdate(); |
| bru.setAllowNonFastForwards(true); |
| |
| for (Ref ref : git.getRefDatabase().getRefsByPrefix(RefNames.REFS_STARRED_CHANGES)) { |
| StarRef starRef = StarredChangesUtil.readLabels(git, ref.getName()); |
| |
| Set<Integer> mutedPatchSets = |
| StarredChangesUtil.getStarredPatchSets(starRef.labels(), MUTE_LABEL); |
| if (mutedPatchSets.isEmpty()) { |
| continue; |
| } |
| |
| Set<Integer> reviewedPatchSets = |
| StarredChangesUtil.getStarredPatchSets( |
| starRef.labels(), StarredChangesUtil.REVIEWED_LABEL); |
| Set<Integer> unreviewedPatchSets = |
| StarredChangesUtil.getStarredPatchSets( |
| starRef.labels(), StarredChangesUtil.UNREVIEWED_LABEL); |
| |
| List<String> newLabels = |
| starRef |
| .labels() |
| .stream() |
| .map( |
| l -> { |
| if (l.startsWith(MUTE_LABEL)) { |
| Integer mutedPatchSet = Ints.tryParse(l.substring(MUTE_LABEL.length() + 1)); |
| if (mutedPatchSet == null) { |
| // unexpected format of mute label, must be a label that was manually |
| // set, just leave it alone |
| return l; |
| } |
| if (!reviewedPatchSets.contains(mutedPatchSet) |
| && !unreviewedPatchSets.contains(mutedPatchSet)) { |
| // convert mute label to reviewed label |
| return StarredChangesUtil.REVIEWED_LABEL + "/" + mutedPatchSet; |
| } |
| // else patch set is muted but has either reviewed or unreviewed label |
| // -> just drop the mute label |
| return null; |
| } |
| return l; |
| }) |
| .filter(Objects::nonNull) |
| .collect(toList()); |
| |
| ObjectId id = StarredChangesUtil.writeLabels(git, newLabels); |
| bru.addCommand(new ReceiveCommand(ref.getTarget().getObjectId(), id, ref.getName())); |
| } |
| bru.execute(rw, new TextProgressMonitor()); |
| } catch (IOException | IllegalLabelException ex) { |
| throw new OrmException(ex); |
| } |
| } |
| } |