Ubuntu18.04LTSの/usr/share/bash-completion/completions/toxで補完が効かないので修正したcompletionsファイル

tox

# tox completion                                           -*- shell-script -*-

_tox()
{
    local cur prev words cword split
    _init_completion -s || return

    case $prev in
        -h|--help|--version|-n|--num|-i|--index-url|--hashseed|--force-dep)
            return
            ;;
        -c)
            _filedir ini
            return
            ;;
        --installpkg|--result-json|--workdir)
            _filedir
            return
            ;;
        -e)
            local envs=$( "$1" --listenvs-all 2>/dev/null )
            local prefix=""; [[ $cur == *,* ]] && prefix="${cur%,*},"
            COMPREPLY=( $( compgen -W "$envs ALL" -- "${cur##*,}" ) )
            [[ ${#COMPREPLY[@]} -eq 1 ]] && COMPREPLY=( ${COMPREPLY/#/$prefix} )
            return
            ;;
    esac

    $split && return

    if [[ $cur == -* ]]; then
        COMPREPLY=( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
        [[ $COMPREPLY == *= ]] && compopt -o nospace
        return
    fi

    _filedir py
} &&
complete -F _tox tox

# ex: filetype=sh