001package org.apache.maven.scm.provider.git.jgit.command.remoteinfo;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.maven.scm.CommandParameters;
023import org.apache.maven.scm.ScmException;
024import org.apache.maven.scm.ScmFileSet;
025import org.apache.maven.scm.command.remoteinfo.AbstractRemoteInfoCommand;
026import org.apache.maven.scm.command.remoteinfo.RemoteInfoScmResult;
027import org.apache.maven.scm.provider.ScmProviderRepository;
028import org.apache.maven.scm.provider.git.command.GitCommand;
029import org.apache.maven.scm.provider.git.jgit.command.JGitTransportConfigCallback;
030import org.apache.maven.scm.provider.git.jgit.command.JGitUtils;
031import org.apache.maven.scm.provider.git.repository.GitScmProviderRepository;
032import org.eclipse.jgit.api.Git;
033import org.eclipse.jgit.api.LsRemoteCommand;
034import org.eclipse.jgit.lib.Ref;
035import org.eclipse.jgit.lib.Repository;
036import org.eclipse.jgit.transport.CredentialsProvider;
037
038import java.util.Collection;
039import java.util.HashMap;
040import java.util.Map;
041
042/**
043 * @author Dominik Bartholdi (imod)
044 * @since 1.9
045 */
046public class JGitRemoteInfoCommand
047    extends AbstractRemoteInfoCommand
048    implements GitCommand
049{
050
051    @Override
052    public RemoteInfoScmResult executeRemoteInfoCommand( ScmProviderRepository repository, ScmFileSet fileSet,
053                                                         CommandParameters parameters )
054        throws ScmException
055    {
056
057        GitScmProviderRepository repo = (GitScmProviderRepository) repository;
058        Git git = null;
059        try
060        {
061            git = JGitUtils.openRepo( fileSet.getBasedir() );
062            CredentialsProvider credentials = JGitUtils.getCredentials( repo );
063
064            LsRemoteCommand lsCommand =
065                git.lsRemote().setRemote( repo.getPushUrl() ).setCredentialsProvider( credentials )
066                        .setTransportConfigCallback( new JGitTransportConfigCallback( repo, getLogger() ) );
067
068            Map<String, String> tag = new HashMap<String, String>();
069            Collection<Ref> allTags = lsCommand.setHeads( false ).setTags( true ).call();
070            for ( Ref ref : allTags )
071            {
072                tag.put( Repository.shortenRefName( ref.getName() ), ref.getObjectId().name() );
073            }
074
075            Map<String, String> heads = new HashMap<String, String>();
076            Collection<Ref> allHeads = lsCommand.setHeads( true ).setTags( false ).call();
077            for ( Ref ref : allHeads )
078            {
079                heads.put( Repository.shortenRefName( ref.getName() ), ref.getObjectId().name() );
080            }
081
082            return new RemoteInfoScmResult( "JGit remoteinfo", heads, tag );
083        }
084        catch ( Exception e )
085        {
086            throw new ScmException( "JGit remoteinfo failure!", e );
087        }
088        finally
089        {
090            JGitUtils.closeRepo( git );
091        }
092    }
093}