/*
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* Copyright 2014 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.transport.ssh.git;
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import java.io.IOException;
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import java.util.Properties;
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import org.eclipse.jgit.api.GarbageCollectCommand;
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import org.eclipse.jgit.api.Git;
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import org.eclipse.jgit.lib.NullProgressMonitor;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.gitblit.transport.ssh.commands.CommandMetaData;
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import com.gitblit.transport.ssh.commands.UsageExample;
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@CommandMetaData(name = "gc", description = "Cleanup unnecessary files and optimize the local repository", admin = true)
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@UsageExample(syntax = "${cmd} test/myrepository.git", description = "Garbage collect \"test/myrepository.git\"")
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public class GarbageCollectionCommand extends BaseGitCommand {
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private static final Logger log = LoggerFactory.getLogger(GarbageCollectionCommand.class);
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@Override
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protected void runImpl() throws IOException, Failure {
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try {
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GarbageCollectCommand gc = Git.wrap(repo).gc();
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logGcInfo("before:", gc.getStatistics());
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gc.setProgressMonitor(NullProgressMonitor.INSTANCE);
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Properties statistics = gc.call();
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logGcInfo("after: ", statistics);
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} catch (Exception e) {
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throw new Failure(1, "fatal: Cannot run gc: ", e);
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}
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}
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private static void logGcInfo(String msg,
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Properties statistics) {
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StringBuilder b = new StringBuilder();
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b.append(msg);
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if (statistics != null) {
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b.append(" ");
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String s = statistics.toString();
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if (s.startsWith("{") && s.endsWith("}")) {
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s = s.substring(1, s.length() - 1);
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}
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b.append(s);
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}
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log.info(b.toString());
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}
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}
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