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

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Date:	Sat, 17 Nov 2007 18:28:16 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Andreas Mohr <andi@...as.de>
Cc:	Randy Dunlap <rdunlap@...otime.net>,
	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

On Sat, Nov 17, 2007 at 05:33:27PM +0100, Andreas Mohr wrote:
> 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.

Could you (or Randy) fix it up with the comment from Herbert
and submit the final version to me (with proper changelog and s-o-b).

Thanks,
	Sam
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