src/it/project-without-sources/verify.bsh

import java.io.*;
import java.util.*;
import java.util.jar.*;
import java.util.regex.*;

try
{
    File jarFile = new File( basedir, "target/project-without-sources-1.0-SNAPSHOT-sources.jar" );
    System.out.println( "Checking for non-existence of " + jarFile );
    if ( jarFile.isFile() )
    {
        System.out.println( "FAILURE!" );
        return false;
    }

    File testJarFile = new File( basedir, "target/project-without-sources-1.0-SNAPSHOT-test-sources.jar" );
    System.out.println( "Checking for non-existence of " + testJarFile );
    if ( testJarFile.isFile() )
    {
        System.out.println( "FAILURE!" );
        return false;
    }

}
catch( Throwable t )
{
    t.printStackTrace();
    return false;
}

return true;