[bug#45004] [PATCH shepherd] herd: Suggest alternatives when action and service are likely swapped.

[Oleg Pykhalov <go.wigust@gmail.com>]

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Jonathan Brielmaier <jonathan.brielmaier@web.de> writes:

[…]

> It reminds me that I should maybe write bash completions files for
> shepherd as it annoys me pretty hard ^^

You could take my, which probably should be improved before merging to
Shepherd IMHO, e.g. avoid 'awk'.

~/.local/share/bash-completion/completions/herd


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_herd_complete_service(){
    local command="${COMP_WORDS[1]}"
    local services="$(sudo herd status | awk '/*/ || /^ +/ || /^ -/ { print $NF }' | sort -u)"
    COMPREPLY=($(compgen -W "$services" -- "${COMP_WORDS[$COMP_CWORD]}"))
}

_herd_is_command ()
{
    local word
    local result="false"
    for word in ${COMP_WORDS[*]}t
    do
	if [ "$word" = "$1" ]
	then
	    result=true
	    break
	fi
    done
    $result
}

_herd_complete()
{
    local word_count=${#COMP_WORDS[*]}
    local word_at_point="${COMP_WORDS[$COMP_CWORD]}"
    case $COMP_CWORD in
        1)
	    if [ -z "$_herd_subcommands" ]
	    then
		# Cache the list of subcommands to speed things up.
		_herd_subcommands="enable disable start status stop"
	    fi
            COMPREPLY=($(compgen -W "$_herd_subcommands" -- "${COMP_WORDS[$COMP_CWORD]}"))
            ;;
        *)
            case $COMP_CWORD in
		2) _herd_complete_service;;
	    esac
            ;;
    esac
}

complete -F _herd_complete herd

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