package org.apache.maven.scm.provider.git;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   */
  
  import junit.framework.Assert;
  import org.codehaus.plexus.PlexusTestCase;
  import org.codehaus.plexus.util.FileUtils;
  import org.codehaus.plexus.util.Os;
  import org.codehaus.plexus.util.StringUtils;
  import org.codehaus.plexus.util.cli.CommandLineException;
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  import java.io.File;
  import java.io.FileWriter;
  import java.io.IOException;
  
  /**
   * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
   *
   */
  public final class GitScmTestUtils
  {
      private GitScmTestUtils()
      {
      }
  
      public static void initRepo( File repository, File workingDirectory, File assertionDirectory )
          throws IOException
      {
          initRepo( "src/test/repository/", repository, workingDirectory );
  
          FileUtils.deleteDirectory( assertionDirectory );
  
          Assert.assertTrue( assertionDirectory.mkdirs() );
      }
  
      public static void initRepo( String source, File repository, File workingDirectory )
          throws IOException
      {
          // Copy the repository to target
          File src = PlexusTestCase.getTestFile( source );
  
          FileUtils.deleteDirectory( repository );
  
          Assert.assertTrue( repository.mkdirs() );
  
          FileUtils.copyDirectoryStructure( src, repository );
  
          File dotGitDirectory = new File( src, "dotgit" );
  
          if ( dotGitDirectory.exists() )
          {
              FileUtils.copyDirectoryStructure( dotGitDirectory, new File( repository, ".git" ) );
          }
  
          FileUtils.deleteDirectory( workingDirectory );
  
          Assert.assertTrue( workingDirectory.mkdirs() );
      }
  
      public static String getScmUrl( File repositoryRootFile, String provider )
          throws CommandLineException
      {
          String repositoryRoot = repositoryRootFile.getAbsolutePath();
  
          // TODO: it'd be great to build this into CommandLineUtils somehow
          // TODO: some way without a custom cygwin sys property?
          if ( "true".equals( System.getProperty( "cygwin" ) ) )
          {
              Commandline cl = new Commandline();
  
              cl.setExecutable( "cygpath" );
  
              cl.createArg().setValue( "--unix" );
  
              cl.createArg().setValue( repositoryRoot );
  
              CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer();
  
              int exitValue = CommandLineUtils.executeCommandLine( cl, stdout, null );
  
             if ( exitValue != 0 )
             {
                 throw new CommandLineException( "Unable to convert cygwin path, exit code = " + exitValue );
             }
 
             repositoryRoot = stdout.getOutput().trim();
         }
         else if ( Os.isFamily( "windows" ) )
         {
             repositoryRoot = "/" + StringUtils.replace( repositoryRoot, "\\", "/" );
         }
 
         return "scm:" + provider + ":file://" + repositoryRoot;
     }
 
 
     public static void deleteAllDirectories( File startDirectory, String pattern )
         throws IOException
     {
         if ( startDirectory.isDirectory() )
         {
             File[] childs = startDirectory.listFiles();
             for ( int i = 0; i < childs.length; i++ )
             {
                 File child = childs[i];
                 if ( child.isDirectory() )
                 {
                     if ( child.getName().equals( pattern ) )
                     {
                         FileUtils.deleteDirectory( child );
                     }
                     else
                     {
                         deleteAllDirectories( child, pattern );
                     }
                 }
             }
         }
     }
 
     public static void setDefaultUser( File repositoryRootFile )
     {
         File gitConfigFile = new File( new File( repositoryRootFile, ".git" ), "config" );
 
         FileWriter fw = null;
         try
         {
             fw = new FileWriter( gitConfigFile , true );
             fw.append( "[user]\n" );
             fw.append( "\tname = John Doe\n" );
             fw.append( "\temail = john.doe@nowhere.com\n" );
             fw.flush();
             fw.close();
         }
         catch ( IOException e )
         {
             System.err.println( "cannot setup a default user for tests purpose inside " + gitConfigFile );
             e.printStackTrace();
         }
         finally
         {
             if ( fw != null )
             {
                 try
                 {
                     fw.close();
                 }
                 catch ( IOException ignore )
                 {
                     // ignored
                 }
             }
         }
     }
 }