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// 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().getRefs(RefNames.REFS_STARRED_CHANGES).values()) {
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);
}
}
}
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