_paver_does_target_list_need_generating () {
    [ ! -f .paver_targets ] && return 0;
    [ pavement.py -nt .paver_targets ] && return 0;
    return 1;
  }
  
  _paver () {
    if [ -f pavement.py ]; then
      if _paver_does_target_list_need_generating; then
        paver --help 2>&1 |grep '-'|grep -v -e '--'|awk -F '-' '{print $1}'|tr -d ' ' > .paver_targets
      fi
      compadd `cat .paver_targets`
    fi
  }
  
  compdef _paver paver