_nova_opts="" # lazy init

_nova_flags="" # lazy init

_nova_opts_exp="" # lazy init

_nova()

{

local cur prev nbc cflags

COMPREPLY=()

cur="${COMP_WORDS[COMP_CWORD]}"

prev="${COMP_WORDS[COMP_CWORD-1]}"

if [ "x$_nova_opts" == "x" ] ; then

nbc="`nova bash-completion | sed -e "s/ *-h */ /" -e "s/ *-i */ /"`"

_nova_opts="`echo "$nbc" | sed -e "s/--[a-z0-9_-]*//g" -e "s/ */ /g"`"

_nova_flags="`echo " $nbc" | sed -e "s/ [^-][^-][a-z0-9_-]*//g" -e "s/ */ /g"`"

_nova_opts_exp="`echo "$_nova_opts" | tr ' ' '|'`"

fi

if [[ " ${COMP_WORDS[@]} " =~ " "($_nova_opts_exp)" " && "$prev" != "help" ]] ; then

COMPLETION_CACHE=~/.novaclient/*/*-cache

cflags="$_nova_flags "$(cat $COMPLETION_CACHE 2> /dev/null | tr '\n' ' ')

COMPREPLY=($(compgen -W "${cflags}" -- ${cur}))

else

COMPREPLY=($(compgen -W "${_nova_opts}" -- ${cur}))

fi

return 0

}

complete -F _nova nova