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

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

    case $prev in
        --unified | --strip-match | --drop-context | -!(-*)[Upd])
            return
            ;;
    esac

    $split && return

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

    local exts='@(?(d)patch|dif?(f))' word
    for word in "${words[@]}"; do
        if [[ $word == -@(z|-decompress) ]]; then
            exts+='?(.@(gz|bz2))'
            break
        fi
    done
    _filedir "$exts"
} &&
    complete -F _interdiff interdiff

# ex: filetype=sh