linux-kernel - [SCRIPT] Remove "space damage" from patches

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Message-ID: <45BD177D.6060907@student.ltu.se>
Date:	Sun, 28 Jan 2007 22:37:01 +0100
From:	Richard Knutsson <ricknu-0@...dent.ltu.se>
To:	akpm@...l.org
CC:	linux-kernel@...r.kernel.org
Subject: [SCRIPT] Remove "space damage" from patches

Hello Andrew and all

I recently tried "git-apply" on the 2.6.20-rc6-mm1 patch and found it to complain about white-spaces.
So as a mean to (hopefully) cut down on these nasty white-spaces (and sometimes tabs) I wrote this
little script. All it does is checking (lines that are going to be added) for spaces before tabs
and trailing spaces/tabs. I tried it on 2.6.20-rc6-mm1 and it seem to work well

If there is someone interested, _please_ take it. Any suggestion are welcomed :)

Richard Knutsson

--- 

#!/bin/sh

#./<script-name> <patch to check>

msg="Checking..."
echo $msg

while [ "$msg" ]; do \

  msg=""

  if grep -q -E "^\+	* +	" $1; then \
    msg="Found whitespace before tab"
    echo $msg
    sed --in-place -r "s/^\+(	*) {8}( *)	/\+\1	\2	/"	$1
    sed --in-place -r "s/^\+(	*) {1,7}	/\+\1	/"		$1
  fi

  if grep -q -E "^\+.*[	 ]$" $1; then \
    msg="Found trailing whitespace/tab"
    echo $msg
    sed --in-place -r "s/^\+(.*)([^ ])[	 ]+$/\+\1\2/"			$1
    sed --in-place -r "s/^\+[	 ]+$/\+/"				$1
  fi

  if [ "$msg" != "" ]; then \
    echo "Cleaning done, will make another run"
  fi
done


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