Bash auto completion for Robo taskrunner (with options and caching)

robo

#!/bin/sh
function __robo_list_cmds ()
{
    if [ ! -e /tmp/robo_commands ]; then
        robo list --raw | awk '{print $1}' | sort > /tmp/robo_commands
    fi
    cat /tmp/robo_commands
}

function __robo_list_opts ()
{
    if [ ! -e /tmp/robo_options ]; then
        robo list --no-ansi | sed -e '1,/Options:/d' -e '/^$/,$d' -e 's/^ *//' -e 's/ .*//' | sort > /tmp/robo_options
    fi
    cat /tmp/robo_options
}

_robo()
{
    local cur="${COMP_WORDS[COMP_CWORD]}"
    COMPREPLY=($(compgen -W "$(__robo_list_opts) $(__robo_list_cmds)" -- ${cur}))
    return 0;
}

complete -o default -F _robo robo
COMP_WORDBREAKS=${COMP_WORDBREAKS//:}

Improved version: https://gist.github.com/amenk/d68f1fe54b156952ced621f771ff48ba