# (C) 2010 magicant

# Completion script for the "cmp" command.
# Supports POSIX 2008, GNU diffutils 3.0, FreeBSD 8.1, OpenBSD 4.8, NetBSD 5.0,
# SunOS 5.10, HP-UX 11i v3.

function completion/cmp {

        case $("${WORDS[1]}" --version 2>/dev/null) in
                (*'diffutils'*) typeset type=GNU ;;
                (*)             typeset type="$(uname 2>/dev/null)" ;;
        esac
        case $type in
                (GNU) typeset long=true ;;
                (*)   typeset long= ;;
        esac

        typeset OPTIONS POSIXOPTIONS ADDOPTIONS ARGOPT PREFIX
        POSIXOPTIONS=( #>#
        "l ${long:+--verbose}; print all differing byte values"
        "s ${long:+--silent --quiet}; print nothing"
        ) #<#

        ADDOPTIONS=()
        case $type in
        (GNU)
                ADDOPTIONS=("$ADDOPTIONS" #>#
                "b --print-bytes; print differing byte values in ^-notation"
                "i: --ignore-initial:; specify number of bytes to skip"
                "n: --bytes:; specify number of bytes to compare at most"
                "--help"
                "v --version; print version info"
                ) #<#
                ;;
        (FreeBSD)
                ADDOPTIONS=("$ADDOPTIONS" #>#
                "h; don't follow symbolic links"
                "x; print all differing byte values in hexadecimal"
                "z; firstly compare by size"
                ) #<#
                ;;
        esac

        OPTIONS=("$POSIXOPTIONS" "$ADDOPTIONS")
        unset POSIXOPTIONS ADDOPTIONS

        command -f completion//parseoptions ${long:+-es}
        case $ARGOPT in
        (-)
                command -f completion//completeoptions
                ;;
        (i|--ignore-initial)
                ;;
        (n|--bytes)
                ;;
        (*)
                command -f completion//getoperands
                if [ ${WORDS[#]} -lt 2 ]; then
                        complete -f
                fi
                ;;
        esac

}


# vim: set ft=sh ts=8 sts=8 sw=8 et:
