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

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

    case $prev in
        -p|--strip|-D|--ifdef|-B|--prefix|-Y|--basename-prefix|-z|--suffix|\
        -g|--get)
            return
            ;;
        -F|--fuzz)
            COMPREPLY=( $( compgen -W '{0..3}' -- "$cur" ) )
            return
            ;;
        -i|--input)
            _filedir '@(?(d)patch|dif?(f))'
            return
            ;;
        -o|--output|-r|--reject-file)
            [[ ! $cur || $cur == - ]] && COMPREPLY=( - )
            _filedir
            return
            ;;
        --quoting-style)
            COMPREPLY=( $( compgen -W 'literal shell shell-always c escape' \
                -- "$cur" ) )
            return
            ;;
        -V|--version-control)
            COMPREPLY=( $( compgen -W 'simple numbered existing' -- "$cur" ) )
            return
            ;;
        -d|--directory)
            _filedir -d
            return
            ;;
        --reject-format)
            COMPREPLY=( $( compgen -W 'context unified' -- "$cur" ) )
            return
            ;;
        --read-only)
            COMPREPLY=( $( compgen -W 'ignore warn fail' -- "$cur" ) )
            return
            ;;
    esac

    $split && return

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

    local args
    _count_args
    case $args in
        1)
            _filedir
            ;;
        2)
            _filedir '@(?(d)patch|dif?(f))'
            ;;
    esac
} &&
complete -F _patch patch

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