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// Copyright 2008 Google Inc.
//
// 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.codereview.manager;
import com.google.codereview.internal.SyncProject.BranchSync;
import com.google.codereview.internal.SyncProject.SyncProjectRequest;
import com.google.codereview.internal.SyncProject.SyncProjectResponse;
import com.google.codereview.rpc.SimpleController;
import com.google.codereview.util.GitMetaUtil;
import com.google.protobuf.RpcCallback;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.spearce.jgit.errors.IncorrectObjectTypeException;
import org.spearce.jgit.lib.Constants;
import org.spearce.jgit.lib.Ref;
import org.spearce.jgit.lib.Repository;
import org.spearce.jgit.revwalk.RevCommit;
import org.spearce.jgit.revwalk.RevWalk;
import java.io.File;
import java.io.IOException;
public class ProjectSync {
private static final Log LOG = LogFactory.getLog(ProjectSync.class);
private final Backend server;
public ProjectSync(final Backend be) {
server = be;
}
public void sync() {
syncDirectoryImpl(server.getRepositoryCache().getBaseDirectory(), "");
}
private void syncDirectoryImpl(final File root, final String prefix) {
final File[] entries = root.listFiles();
if (entries == null) {
return;
}
for (final File f : entries) {
final String fName = f.getName();
if (fName.equals(".") || fName.equals("..")) {
continue;
}
if (!f.isDirectory()) {
continue;
}
String fullName = prefix + fName;
final Repository db;
try {
db = GitMetaUtil.open(f);
} catch (IOException e) {
LOG.error("Cannot open " + f + ": " + e.toString());
continue;
}
if (db != null) {
try {
if (fullName.endsWith(".git")) {
fullName = fullName.substring(0, fullName.length() - 4);
}
sync(fullName, db);
} finally {
db.close();
}
} else {
syncDirectoryImpl(f, fullName + "/");
}
}
}
public void sync(final String name, final Repository db) {
final SyncProjectRequest.Builder req = SyncProjectRequest.newBuilder();
req.setProjectName(name);
try {
final RevWalk rw = new RevWalk(db);
for (final Ref ref : db.getAllRefs().values()) {
if (ref.getName().startsWith(Constants.R_HEADS)) {
final RevCommit c;
try {
c = rw.parseCommit(ref.getObjectId());
} catch (IncorrectObjectTypeException e) {
continue;
}
req.addBranch(toBranch(ref, c));
}
}
} catch (IOException err) {
LOG.error("Cannot synchronize " + name, err);
}
send(req.build());
}
private BranchSync toBranch(final Ref r, final RevCommit c) {
final BranchSync.Builder bs = BranchSync.newBuilder();
bs.setBranchName(r.getName());
bs.setCommit(GitMetaUtil.toGitCommit(c));
return bs.build();
}
private void send(final SyncProjectRequest req) {
final SimpleController ctrl = new SimpleController();
server.getAdminService().syncProject(ctrl, req,
new RpcCallback<SyncProjectResponse>() {
public void run(final SyncProjectResponse rsp) {
}
});
if (ctrl.failed()) {
final String name = req.getProjectName();
LOG.error("syncProject " + name + ": " + ctrl.errorText());
}
}
}
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