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/*
* Copyright 2014 gitblit.com.
*
* 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.gitblit.transport.ssh.git;
import java.io.IOException;
import java.util.Properties;
import org.eclipse.jgit.api.GarbageCollectCommand;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.lib.NullProgressMonitor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.gitblit.transport.ssh.commands.CommandMetaData;
import com.gitblit.transport.ssh.commands.UsageExample;
@CommandMetaData(name = "gc", description = "Cleanup unnecessary files and optimize the local repository", admin = true)
@UsageExample(syntax = "${cmd} test/myrepository.git", description = "Garbage collect \"test/myrepository.git\"")
public class GarbageCollectionCommand extends BaseGitCommand {
private static final Logger log = LoggerFactory.getLogger(GarbageCollectionCommand.class);
@Override
protected void runImpl() throws IOException, Failure {
try {
GarbageCollectCommand gc = Git.wrap(repo).gc();
logGcInfo("before:", gc.getStatistics());
gc.setProgressMonitor(NullProgressMonitor.INSTANCE);
Properties statistics = gc.call();
logGcInfo("after: ", statistics);
} catch (Exception e) {
throw new Failure(1, "fatal: Cannot run gc: ", e);
}
}
private static void logGcInfo(String msg,
Properties statistics) {
StringBuilder b = new StringBuilder();
b.append(msg);
if (statistics != null) {
b.append(" ");
String s = statistics.toString();
if (s.startsWith("{") && s.endsWith("}")) {
s = s.substring(1, s.length() - 1);
}
b.append(s);
}
log.info(b.toString());
}
}
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