addons/pkg-maven/common/src/main/java/org/commonjava/indy/pkg/maven/content/MavenMetadataGenerator.java
private void clearObsoleteFiles( Transfer item )
    {
        Transfer httpMeta = item.getSiblingMeta( HTTP_METADATA_EXT );
        try
        {
            httpMeta.delete();
        }
        catch ( IOException e )
        {
            logger.warn( "Failed to delete {}", httpMeta.getResource() );
        }

    }
private void clearObsoleteFiles( Transfer item )
    {
        Transfer httpMeta = item.getSiblingMeta( HTTP_METADATA_EXT );
        try
        {
            httpMeta.delete();
        }
        catch ( IOException e )
        {
            logger.warn( "Failed to delete {}", httpMeta.getResource() );
        }

    }
Clear obsolete files after a meta is generated. This may be http download metadata, etc.
@param item