# chown(1) completion                                      -*- shell-script -*-

_chown()
{
    local cur prev words cword split
    # Don't treat user:group as separate words.
    _init_completion -s -n : || return

    case "$prev" in
        --from)
            _usergroup
            return 0
            ;;
        --reference)
            _filedir
            return 0
            ;;
    esac

    $split && return 0

    if [[ "$cur" == -* ]]; then
        # Complete -options
        local w opts
        for w in "${words[@]}" ; do
            [[ "$w" == -@(R|-recursive) ]] && opts="-H -L -P" && break
        done
        COMPREPLY=( $( compgen -W '-c -h -f -R -v --changes --dereference
            --no-dereference --from --silent --quiet --reference --recursive
            --verbose --help --version $opts' -- "$cur" ) )
    else
        local args

        # The first argument is an usergroup; the rest are filedir.
        _count_args :

        if [[ $args -eq 1 ]]; then
            _usergroup -u
        else
            _filedir
        fi
    fi
} &&
complete -F _chown chown

# ex: ts=4 sw=4 et filetype=sh