Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764887AbXFHG27 (ORCPT ); Fri, 8 Jun 2007 02:28:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755264AbXFHG2v (ORCPT ); Fri, 8 Jun 2007 02:28:51 -0400 Received: from raven.upol.cz ([158.194.120.4]:41955 "EHLO raven.upol.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751781AbXFHG2u (ORCPT ); Fri, 8 Jun 2007 02:28:50 -0400 To: kbuild-devel@lists.sourceforge.net Cc: "H. Peter Anvin" , Jan Engelhardt , Sam Ravnborg , Andrew Morton , LKML Subject: [patch] scripts: clean-whitespace.sh In-Reply-To: <4668929C.7040209@zytor.com> References: <20070605073335.GM7266@flower.upol.cz> <20070605081959.GB21991@uranus.ravnborg.org> <20070605133834.GO7266@flower.upol.cz> <20070605141254.GA24722@uranus.ravnborg.org> <20070605145759.GP7266@flower.upol.cz> <20070605151101.GQ7266@flower.upol.cz> <20070606174556.GS7266@flower.upol.cz> <20070606175026.GA6303@uranus.ravnborg.org> <20070606191426.GT7266@flower.upol.cz> <20070607230657.GV7266@flower.upol.cz> <4668929C.7040209@zytor.com> Organization: Palacky University in Olomouc, experimental physics department. User-Agent: jed + slrn (x86_64-pc-linux-glibc-debian) Date: Fri, 8 Jun 2007 08:40:42 +0200 Message-Id: From: Oleg Verych Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1992 Lines: 53 After running this script with filename as parameter, look (with diff) for, what can be corrected. Only "*.diff" and "*.patch" files are handled as patches. Signed-off-by: Oleg Verych -- Two clean rules added, that can change look of damaged lines. Yet script still fits one ordinary screen, so read the code! test cases: include/linux/ipv6.h, arch/x86_64/lib/{copy_user, memcpy}.S It's like lguest -- just for fun. clean-whitespace.sh | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) --- /dev/null 2007-04-04 10:55:19.204075250 +0200 +++ linux-just-for-fun/scripts/clean-whitespace.sh 2007-06-08 07:53:21.000000000 +0200 @@ -0,0 +1,28 @@ +#!/bin/sh -e +# clean whitespace damage; i/o = $1/$1.clean + +IFS='' ; t="`printf '\t'`" ; s=' ' ; s4="$s$s$s$s" ; w79=79 ; +i="$1" ; o="$1.clean" +strip_file_end='/^$/{N;s_^\n$_&_;T e;:n;N;s_^.*\n\n$_&_;t n;:e;};' +not_patch_line='/^+[^+]/' + +case $1 in *[.]diff | *[.]patch) + file=patch ; sp='+[!+]' ; p='+' ; addr="$not_patch_line";; +esac + +sed -n "${addr:-$strip_file_end} { +s|[$t$s]*$||; # trailing whitespace +:next; # x*8 spaces on the line start -> x*tabs +s|^\([\n]*\)$p\($t*\)$s4$s4|\1$p\2$t|;t next; # \n is needed after N command +s|^\([\n]*\)$p\($t*\)$s*$t|\1$p\2$t|g; # strip spaces between tabs +s|$s4$s4$s$s*|$t$t|g # more than 8 spaces -> 2 tabs +s|$s*$t|$t|g # strip spaces before tab; tradeoff: may break some alignment ! +};p" -- "$i" >"$o" && echo " +please, see clean ${file:=source} file: $o +" +exec expand $i | while read -r line # check for long line +do [ ${#line} -gt $w79 ] && case "$line" in $sp*) echo \ +"at least one line wider than $w79 chars, found +check your $file, please +" 1>&2 ; exit ;; esac +done - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/