| // Copyright (C) 2018 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.googlesource.gerrit.plugins.renameproject.fs; |
| |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import com.googlesource.gerrit.plugins.renameproject.monitor.ProgressMonitor; |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.FileVisitOption; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.StandardCopyOption; |
| import java.util.Comparator; |
| import java.util.Optional; |
| import java.util.stream.Stream; |
| import org.eclipse.jgit.errors.RepositoryNotFoundException; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.lib.RepositoryCache; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Singleton |
| public class FilesystemRenameHandler { |
| private static final Logger log = LoggerFactory.getLogger(FilesystemRenameHandler.class); |
| |
| private final GitRepositoryManager repoManager; |
| |
| @Inject |
| public FilesystemRenameHandler(GitRepositoryManager repoManager) { |
| this.repoManager = repoManager; |
| } |
| |
| public void rename( |
| Project.NameKey oldProjectKey, Project.NameKey newProjectKey, Optional<ProgressMonitor> opm) |
| throws IOException, RepositoryNotFoundException { |
| Repository repository = repoManager.openRepository(oldProjectKey); |
| File repoFile = repository.getDirectory(); |
| RepositoryCache.close(repository); |
| opm.ifPresent(pm -> pm.beginTask("Renaming git repository")); |
| renameGitRepository(repoFile, newProjectKey, oldProjectKey); |
| } |
| |
| private void renameGitRepository( |
| File source, Project.NameKey newProjectKey, Project.NameKey oldProjectKey) |
| throws IOException { |
| log.debug("Creating the new git repo - {}", newProjectKey.get()); |
| try (Repository newRepo = repoManager.createRepository(newProjectKey)) { |
| File target = newRepo.getDirectory(); |
| RepositoryCache.close(newRepo); |
| // delete the created repo, we just needed the absolute path from repo manager |
| recursiveDelete(target.toPath()); |
| log.debug( |
| "Moving the content of {} to new git repo - {}", |
| oldProjectKey.get(), |
| newProjectKey.get()); |
| Files.move(source.toPath(), target.toPath(), StandardCopyOption.ATOMIC_MOVE); |
| } catch (IOException e) { |
| throw new IOException("Failed to move the content to new git repo.", e); |
| } |
| } |
| |
| private void recursiveDelete(Path oldFile) throws IOException { |
| try (Stream<Path> dir = Files.walk(oldFile, FileVisitOption.FOLLOW_LINKS)) { |
| dir.sorted(Comparator.reverseOrder()).map(Path::toFile).forEach(File::delete); |
| } catch (IOException e) { |
| log.error("Failed to delete {}", oldFile.getFileName(), e); |
| throw e; |
| } |
| } |
| } |