anchor.diff:      do
           case "$i"
               in
  +            -m)
  +                print_package_metadata
  +                exit 0
  +                shift;;
               -r)
                   USE_FLAT_RELEASE_DIRECTORY=1
                   shift;;
  
positive.code: save_environment $(fpm_metadata_file)
  exit 0
  
  __ARCHIVE__
  
negative.code:     fi
  }
  
  function print_package_metadata(){
      local metadata_line=$(grep -a -n -m1 '__METADATA__$' $0 | sed 's/:.*//')
      local archive_line=$(grep -a -n -m1 '__ARCHIVE__$' $0 | sed 's/:.*//')
      sed -n "$((metadata_line + 1)),$((archive_line - 1)) p" $0
  }
  
  function print_usage(){
      echo "Usage: `basename $0` [options]"
      echo "Install this package"
  