_enumerateGrailsScripts() {
      # Default directoryies
      directories=($GRAILS_HOME/scripts ~/.grails/scripts ./scripts)
  
      # Check all of the plugins directories, if they exist
      if [ -d plugins ]
      then
          directories+=(plugins/*/scripts)
      fi
      
      # Enumerate all of the Groovy files
      files=()
      for dir in $directories;
      do
          if [ -d $dir ]
          then
              files+=($dir/[^_]*.groovy)
          fi
      done
      
      # Don't try to basename ()
      if [ ${#files} -eq 0 ];
      then
          return
      fi
      
      scripts=()
      for file in $files
      do
          # - Strip the path
          # - Remove all scripts with a leading '_'
          # - PackagePlugin_.groovy -> PackagePlugin
          # - PackagePlugin         -> Package-Plugin
          # - Package-Plugin        -> package-plugin
          command=$(basename $file                              \
              | sed -E  -e 's/^_?([^_]+)_?.groovy/\1/'\
                        -e 's/([a-z])([A-Z])/\1-\2/g' \
              | tr "[:upper:]" "[:lower:]"            \
              | sort                                  \
              | uniq)
          scripts+=($command)
      done
      echo $scripts
  }
   
  _grails() {
      if (( CURRENT == 2 )); then
          scripts=( $(_enumerateGrailsScripts) )
          
          if [ ${#scripts} -ne 0 ];
          then
              _multi_parts / scripts
              return
          fi
      fi
      
      _files
  }
   
  compdef _grails grails