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// 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.replication;
import static com.googlesource.gerrit.plugins.replication.ReplicationQueue.repLog;
import com.google.gerrit.reviewdb.client.Project.NameKey;
import java.io.File;
import java.io.IOException;
import org.eclipse.jgit.internal.storage.file.FileRepository;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.URIish;
public class LocalFS implements AdminApi {
private final URIish uri;
public LocalFS(URIish uri) {
this.uri = uri;
}
@Override
public void createProject(NameKey project, String head) {
try (Repository repo = new FileRepository(uri.getPath())) {
repo.create(true /* bare */);
if (head != null && head.startsWith(Constants.R_REFS)) {
RefUpdate u = repo.updateRef(Constants.HEAD);
u.disableRefLog();
u.link(head);
}
repLog.info("Created local repository: {}", uri);
} catch (IOException e) {
repLog.error("Error creating local repository {}", uri.getPath(), e);
}
}
@Override
public void deleteProject(NameKey project) {
try {
recursivelyDelete(new File(uri.getPath()));
repLog.info("Deleted local repository: {}", uri);
} catch (IOException e) {
repLog.error("Error deleting local repository {}:\n", uri.getPath(), e);
}
}
@Override
public void updateHead(NameKey project, String newHead) {
try (Repository repo = new FileRepository(uri.getPath())) {
if (newHead != null) {
RefUpdate u = repo.updateRef(Constants.HEAD);
u.link(newHead);
}
} catch (IOException e) {
repLog.error("Failed to update HEAD of repository {} to {}", uri.getPath(), newHead, e);
}
}
private static void recursivelyDelete(File dir) throws IOException {
File[] contents = dir.listFiles();
if (contents != null) {
for (File d : contents) {
if (d.isDirectory()) {
recursivelyDelete(d);
} else {
if (!d.delete()) {
throw new IOException("Failed to delete: " + d.getAbsolutePath());
}
}
}
}
if (!dir.delete()) {
throw new IOException("Failed to delete: " + dir.getAbsolutePath());
}
}
}
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