#compdef gas
 
 local curcontext="$curcontext" state line cmds ret=1
 
 _arguments -C \
 	'(- 1 *)'{-v,--version}'[display version information]' \
 	'(-h|--help)'{-h,--help}'[show help information]' \
 	'1: :->cmds' \
 	'*: :->args' && ret=0
 
 case $state in
 	cmds)
 		cmds=(
             "version:Prints Gas's version"
             "use:Uses author"
             "show:Shows your current user"
             "list:Lists your authors"
             "import:Imports current user to gasconfig"
             "help:Describe available tasks or one specific task"
             "delete:Deletes author"
             "add:Adds author to gasconfig"
         )
 		_describe -t commands 'gas command' cmds && ret=0
 		;;
 	args)
 		case $line[1] in
 			(use|delete)
 				_values -S , 'rubies' $(cat ~/.gas | sed -n -e 's/^\[\(.*\)\]/\1/p') && ret=0
 				;;
 		esac
 		;;
 esac
 
 return ret