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// Copyright (C) 2011 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.sshd.commands;
import static com.google.gerrit.sshd.commands.StagingCommand.R_BUILDS;
import static com.google.gerrit.sshd.commands.StagingCommand.R_STAGING;
import com.google.gerrit.reviewdb.Branch;
import com.google.gerrit.reviewdb.Change;
import com.google.gerrit.reviewdb.PatchSet;
import com.google.gerrit.reviewdb.Project;
import com.google.gerrit.reviewdb.ReviewDb;
import com.google.gerrit.reviewdb.Topic;
import com.google.gerrit.server.ChangeUtil;
import com.google.gerrit.server.TopicUtil;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.git.StagingUtil;
import com.google.gerrit.server.project.NoSuchRefException;
import com.google.gerrit.sshd.BaseCommand;
import com.google.gerrit.sshd.commands.StagingCommand.BranchNotFoundException;
import com.google.gwtorm.client.OrmException;
import com.google.inject.Inject;
import org.apache.sshd.server.Environment;
import org.eclipse.jgit.errors.RepositoryNotFoundException;
import org.eclipse.jgit.lib.RefUpdate.Result;
import org.eclipse.jgit.lib.Repository;
import org.kohsuke.args4j.Option;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
public class StagingNewBuild extends BaseCommand {
@Inject
private GitRepositoryManager gitManager;
@Inject
private ReviewDb db;
private Repository git;
@Option(name = "--project", aliases = {"-p"},
required = true, usage = "project name")
private String project;
@Option(name = "--staging-branch", aliases = {"-s"},
required = true, usage = "branch name, e.g. refs/staging/master")
private String stagingBranch;
@Option(name = "--build-id", aliases = {"-i"},
required = true, usage = "build id, e.g. refs/builds/my_build or just my_build")
private String build;
@Override
public void start(final Environment env) {
startThread(new CommandRunnable() {
@Override
public void run() throws Exception {
parseCommandLine();
StagingNewBuild.this.rename();
}
});
}
private void rename() throws UnloggedFailure {
final PrintWriter stdout = toPrintWriter(out);
try {
openRepository();
Branch.NameKey buildBranchKey =
StagingCommand.getNameKey(project, R_BUILDS, build);
if (git.getRef(buildBranchKey.get()) != null) {
throw new UnloggedFailure(1, "fatal: Target build already exists!");
}
Branch.NameKey stagingBranchKey =
StagingCommand.getNameKey(project, R_STAGING, stagingBranch);
Branch.NameKey branchNameKey =
StagingCommand.getShortNameKey(project, R_STAGING, stagingBranch);
// Make sure that are changes in the staging branch.
if (StagingCommand.openChanges(git, db, stagingBranchKey, branchNameKey)
.isEmpty()) {
stdout.println("No changes in staging branch. Not creating a build reference");
return;
}
// Create build reference.
Result result =
StagingUtil.createBuildRef(git, stagingBranchKey, buildBranchKey);
if (result != Result.NEW && result != Result.FAST_FORWARD) {
throw new UnloggedFailure(1, "fatal: failed to create new build ref: " + result);
} else {
updateChangeStatus(buildBranchKey, branchNameKey);
}
// Re-create staging branch.
result = StagingUtil.createStagingBranch(git, branchNameKey);
if (result != Result.NEW && result != Result.FAST_FORWARD
&& result != Result.FORCED && result != Result.NO_CHANGE) {
throw new UnloggedFailure(1, "fatal: failed to reset staging branch: " + result);
}
} catch (IOException e) {
throw new UnloggedFailure(1, "fatal: Failed to access repository", e);
} catch (OrmException e) {
throw new UnloggedFailure(1, "fatal: Failed to access database", e);
} catch (BranchNotFoundException e) {
throw new UnloggedFailure(1, "fatal: Failed to access build or staging ref", e);
} catch (NoSuchRefException e) {
throw new UnloggedFailure(1, "fatal: Invalid branch name", e);
} finally {
stdout.flush();
if (git != null) {
git.close();
}
}
}
private void openRepository() throws RepositoryNotFoundException {
Project.NameKey projectKey = new Project.NameKey(project);
git = gitManager.openRepository(projectKey);
}
private void updateChangeStatus(final Branch.NameKey buildBranchKey,
final Branch.NameKey destinationKey)
throws IOException, OrmException, BranchNotFoundException {
List<PatchSet> patchSets =
StagingCommand.openChanges(git, db, buildBranchKey, destinationKey);
for (PatchSet patchSet : patchSets) {
ChangeUtil.setIntegrating(patchSet.getId(), db);
Change change = db.changes().get(patchSet.getId().getParentKey());
Topic.Id topicId = change.getTopicId();
if (topicId != null) {
Topic topic = db.topics().get(topicId);
if (topic.getStatus() != Topic.Status.INTEGRATING) {
TopicUtil.setIntegrating(topicId, db);
}
}
}
}
}
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