cask.completion

#!/usr/bin/env bash 

### 補完関数。
_brew_cask(){
  curr="${COMP_WORDS[@]}"
  prev="${COMP_WORDS[$COMP_CWORD-1]}"
  # echo ""
  # echo "@COMP_WORDS='${COMP_WORDS[@]}'"
  # echo "\$COMP_WORDS='$COMP_WORDS'"
  # echo "curr='$curr'";
  # echo "prev='$prev'";
  if [[  $prev =~ cask ]] ; then 
      sub_command_list=$( brew cask | env grep '^\s' | awk '{print $1}' )
      COMPREPLY=( $(compgen -W "$sub_command_list" ${COMP_WORDS[COMP_CWORD]}  ) ) 
      return 0
    else 
      case $prev in 
        install|info )
          word=$(cask search | env grep -v ^=);
          COMPREPLY=( $(compgen -W "$word" ${COMP_WORDS[COMP_CWORD]}  ) ) 
          ;;
        uninstall )
          word=$(cask list | env grep -v ^=);
          COMPREPLY=( $(compgen -W "$word" ${COMP_WORDS[COMP_CWORD]}  ) ) 
          ;;
      esac
    fi
}
complete -F _brew_cask cask