001    package org.apache.maven.scm.provider.cvslib.command;
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    
022    import org.apache.maven.scm.ScmException;
023    import org.apache.maven.scm.ScmFileSet;
024    import org.apache.maven.scm.provider.cvslib.repository.CvsScmProviderRepository;
025    import org.apache.maven.scm.provider.cvslib.util.CvsUtil;
026    import org.apache.maven.scm.providers.cvslib.settings.Settings;
027    import org.codehaus.plexus.util.StringUtils;
028    import org.codehaus.plexus.util.cli.CommandLineException;
029    import org.codehaus.plexus.util.cli.CommandLineUtils;
030    import org.codehaus.plexus.util.cli.Commandline;
031    
032    import java.io.File;
033    import java.util.Enumeration;
034    
035    /**
036     * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
037     * @version $Id: CvsCommandUtils.java 1057015 2011-01-09 20:10:42Z olamy $
038     */
039    public class CvsCommandUtils
040    {
041        private CvsCommandUtils()
042        {
043            // noop
044        }
045    
046        public static boolean isCvsNT()
047            throws ScmException
048        {
049            Commandline cl = new Commandline();
050    
051            cl.setExecutable( "cvs" );
052    
053            cl.createArg().setValue( "-v" );
054    
055            CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer();
056    
057            CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
058    
059            try
060            {
061                CommandLineUtils.executeCommandLine( cl, stdout, stderr );
062            }
063            catch ( CommandLineException e )
064            {
065                throw new ScmException( "Error while executing command.", e );
066            }
067    
068            return stdout.getOutput().indexOf( "CVSNT" ) >= 0;
069        }
070    
071        public static Commandline getBaseCommand( String commandName, CvsScmProviderRepository repo, ScmFileSet fileSet )
072        {
073            return getBaseCommand( commandName, repo, fileSet, null, true );
074        }
075    
076        public static Commandline getBaseCommand( String commandName, CvsScmProviderRepository repo, ScmFileSet fileSet,
077                                                  boolean addCvsRoot )
078        {
079            return getBaseCommand( commandName, repo, fileSet, null, addCvsRoot );
080        }
081    
082        public static Commandline getBaseCommand( String commandName, CvsScmProviderRepository repo, ScmFileSet fileSet,
083                                                  String options )
084        {
085            return getBaseCommand( commandName, repo, fileSet, options, true );
086        }
087    
088        public static Commandline getBaseCommand( String commandName, CvsScmProviderRepository repo, ScmFileSet fileSet,
089                                                  String options, boolean addCvsRoot )
090        {
091            Settings settings = CvsUtil.getSettings();
092    
093            Commandline cl = new Commandline();
094    
095            cl.setExecutable( "cvs" );
096    
097            cl.setWorkingDirectory( fileSet.getBasedir().getAbsolutePath() );
098    
099            if ( Boolean.getBoolean( "maven.scm.cvs.use_compression" ) )
100            {
101                cl.createArg().setValue( "-z" + System.getProperty( "maven.scm.cvs.compression_level", "3" ) );
102            }
103            else if ( settings.getCompressionLevel() > 0 )
104            {
105                cl.createArg().setValue( "-z" + settings.getCompressionLevel() );
106            }
107    
108            if ( !settings.isUseCvsrc() )
109            {
110                cl.createArg().setValue( "-f" ); // don't use ~/.cvsrc
111            }
112    
113            if ( settings.isTraceCvsCommand() )
114            {
115                cl.createArg().setValue( "-t" );
116            }
117    
118            if ( !StringUtils.isEmpty( settings.getTemporaryFilesDirectory() ) )
119            {
120                File tempDir = new File( settings.getTemporaryFilesDirectory() );
121    
122                if ( !tempDir.exists() )
123                {
124                    tempDir.mkdirs();
125                }
126    
127                cl.createArg().setValue( "-T" );
128    
129                cl.createArg().setValue( tempDir.getAbsolutePath() );
130            }
131    
132            if ( settings.getCvsVariables().size() > 0 )
133            {
134                for ( Enumeration<?> e = settings.getCvsVariables().propertyNames(); e.hasMoreElements(); )
135                {
136                    String key = (String) e.nextElement();
137                    String value = settings.getCvsVariables().getProperty( key );
138                    cl.createArg().setValue( "-s" );
139                    cl.createArg().setValue( key + "=" + value );
140                }
141            }
142    
143            if ( addCvsRoot )
144            {
145                cl.createArg().setValue( "-d" );
146    
147                cl.createArg().setValue( repo.getCvsRoot() );
148            }
149    
150            cl.createArg().setLine( options );
151    
152            cl.createArg().setValue( "-q" );
153    
154            cl.createArg().setValue( commandName );
155    
156            return cl;
157        }
158    }