linux-kernel - Re: [PATCH/RFC] eradicate bashisms in scripts/patch-kernel

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Message-ID: <20071117163327.GA4296@rhlx01.hs-esslingen.de>
Date:	Sat, 17 Nov 2007 17:33:27 +0100
From:	Andreas Mohr <andi@...as.de>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	Andreas Mohr <andi@...as.de>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Andrew Morton <akpm@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH/RFC] eradicate bashisms in scripts/patch-kernel

Hi,

On Wed, Nov 14, 2007 at 02:46:27PM -0800, Randy Dunlap wrote:
> On Mon, 5 Nov 2007 20:58:27 +0100 Andreas Mohr wrote:
> > Feel free to go ahead, otherwise I'll try another patch sometime soon.
> > All I care about is that the result works on (at least)
> > one shell implementation _more_ than the current status ;)
> 
> Hi Andreas,
> 
> Can you comment on (or test) whether this patch is sufficient
> for your needs?  And if so, is the Signed-off-by: A.M. OK?

Sorry, no, using dash (0.5.3-5) there's still a remaining

$ linux-2.6.22/scripts/patch-kernel linux-2.6.22 /usr/src/patch-2.6
Current kernel version is 2.6.22 ( Holy Dancing Manatees, Batman!)
linux-2.6.22/scripts/patch-kernel: 207: Syntax error: Bad substitution

error in the

# strip EXTRAVERSION to just a number (drop leading '.' and trailing additions)
EXTRAVER=
if [ x$EXTRAVERSION != "x" ]
then
>>> [l.207]       if [ ${EXTRAVERSION:0:1} == "." ]; then
                EXTRAVER=${EXTRAVERSION:1}
        else
                EXTRAVER=$EXTRAVERSION
        fi
        EXTRAVER=${EXTRAVER%%[[:punct:]]*}
        #echo "$PNAME: changing EXTRAVERSION from $EXTRAVERSION to $EXTRAVER"
fi

part, which the sed expression (moderately successfully) tried to
take care of.

The good part of the story is that the current corrected almost fully
working version still works with bash (3.1dfsg-8), just like the
original patch-kernel version.

Signed-off-by would be fine by me.

Thanks,

Andreas Mohr
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