src/it/snapshot-pom/verify.bsh

import java.io.*;
import java.util.*;

import org.codehaus.plexus.util.*;

String[] paths =
{
    "org/apache/maven/its/deploy/sp/test/maven-metadata.xml",
    "org/apache/maven/its/deploy/sp/test/1.0-SNAPSHOT/maven-metadata.xml",
    "org/apache/maven/its/deploy/sp/test/1.0-SNAPSHOT/test-1.0-*.pom",
};

File repoDir = new File( basedir, "target/repo" );

for ( String path : paths )
{
    File file = new File( repoDir, path );
    System.out.println( "Checking for existence of " + file );
    if ( !file.isFile() )
    {
        if ( FileUtils.getFiles( repoDir, path, null ).isEmpty() )
        {
            throw new FileNotFoundException( "Missing: " + file.getAbsolutePath() );
        }
    }
}

return true;