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Re: Question about inline code / incompatibility between FreeBSD sh and


From: Garrett Cooper
Subject: Re: Question about inline code / incompatibility between FreeBSD sh and bash
Date: Thu, 19 Jun 2008 03:05:57 -0700

On Thu, Jun 19, 2008 at 2:29 AM, Garrett Cooper <address@hidden> wrote:
> On Thu, Jun 19, 2008 at 2:12 AM, Garrett Cooper <address@hidden> wrote:
>>
>> /usr/sbin/portsnap: portsnap: line 882: syntax error near unexpected
>> token `newline'
>> /usr/sbin/portsnap: portsnap: line 882: `       if !'
>>
>>     The incompatible section of code (at least the one that bash
>> barfs on -- I say that because there are a few similar sections IIRC)
>> is:
>>
>>        if !
>>                if ! [ -z "${EXTRACTPATH}" ]; then
>>                        grep "^${EXTRACTPATH}" ${WORKDIR}/INDEX
>>                elif ! [ -z "${REFUSE}" ]; then
>>                        grep -vE "${REFUSE}" ${WORKDIR}/INDEX
>>                else
>>                        cat ${WORKDIR}/INDEX
>>                fi | tr '|' ' ' | while read FILE HASH; do
>>                echo ${PORTSDIR}/${FILE}
>>                if ! [ -r "${WORKDIR}/files/${HASH}.gz" ]; then
>>                        echo "files/${HASH}.gz not found -- snapshot corrupt."
>>                        return 1
>>                fi
>>                case ${FILE} in
>>                */)
>>                        rm -rf ${PORTSDIR}/${FILE%/}
>>                        mkdir -p ${PORTSDIR}/${FILE}
>>                        tar -xzf ${WORKDIR}/files/${HASH}.gz    \
>>                            -C ${PORTSDIR}/${FILE}
>>                        ;;
>>                *)
>>                        rm -f ${PORTSDIR}/${FILE}
>>                        tar -xzf ${WORKDIR}/files/${HASH}.gz    \
>>                            -C ${PORTSDIR} ${FILE}
>>                        ;;
>>                esac
>>        done; then
>>
>
> When I take the above code, combine remove the newline and make it into ...
>
>    if ! if ! [ -z "${EXTRACTPATH}" ]; then
>
> ... as well as line 951, the script is parsed properly.
>
> The "problem" is reported at parse.y:3071, but I'm unsure how to trace
> back the issue through the yacc code.

Correction: report_syntax_error in parse.y.
-Garrett




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