source: trunk/project-meta/project-meta.bash_completion

# bash completion for project-meta

_project-meta() {
   local cur prev

   COMPREPLY=()
   #_get_comp_words_by_ref cur prev
   cur="${COMP_WORDS[COMP_CWORD]}"
   prev="${COMP_WORDS[COMP_CWORD-1]}"

   case $prev in
      -d|--dataset)
         local showlist=$(project-meta dataset-list|awk '{print $1}')
         COMPREPLY=($(compgen -W "${showlist}" -- "$cur"))
         return 0
         ;;

      help)
         local showlist=$(project-meta help|grep '^ project-meta'|awk '{print $2}')
         COMPREPLY=($(compgen -W "${showlist}" -- "$cur"))
         return 0
         ;;
   esac

   if [[ "$cur" == '-*' || $COMP_CWORD -gt 1 ]]
   then
      COMPREPLY=($(compgen -W "$(project-meta  help|grep "^ project-meta ${COMP_WORDS[1]}" | sed -e 's/[\[]/\n/g;'|grep -- '^-'|cut -f 1 -d ']'|cut -f 1 -d ' '|sed -e 's/|/ /g;'|xargs echo -n)" -- "$cur"))
   else
      COMPREPLY=($(compgen -W "$($(which project-meta || echo /usr/bin/project-meta) help|grep '^ project-meta'|awk '{print $2}'|xargs echo -n)" -- "$cur"))
   fi

   } && complete -F _project-meta project-meta