dexcctl.bash-completion

# bash programmable completion for dexcctl
# copy to /etc/bash_completion.d and restart your shell session
# Copyright (c) by Andreas M. Antonopoulos
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.

_dexcctl() {
    local cur prev words=() cword
    local dexcctl

    # dexcctl might not be in $PATH
    dexcctl="$1"

    COMPREPLY=()
    _get_comp_words_by_ref -n = cur prev words cword

    case "$cur" in
        -*=*)	# prevent nonsense completions
            return 0
            ;;
        *)
            local helpopts globalcmds

            # get the global options, starting with -
            if [[ "$cur" =~ ^- ]]; then
                globalcmds=$($dexcctl -h 2>&1 | awk '$1 ~ /^-[a-zA-Z]/ { sub(/,/, ""); print $1}')
            fi

            # get the global options, starting with --
            if [[ "$cur" =~ ^-- ]]; then
                globalcmds=$($dexcctl -h 2>&1 | awk '$1 ~ /^--/ { sub(/,/, ""); print $1}'; dexcctl -h 2>&1 | awk '$2 ~ /^--/ { sub(/,/, ""); print $2}')
            fi

            # get the regular commands
            if [[ -z "$cur" || "$cur" =~ ^[a-z] ]]; then
                helpopts=$($dexcctl -l 2>/dev/null | awk '$1 ~ /^[a-z]/ { print $1; }' )
            fi

            COMPREPLY=( $( compgen -W "$helpopts $globalcmds" -X "*," -- "$cur" ) )
    esac
} &&
complete -F _dexcctl dexcctl

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