linux-kernel - Re: [RFC PATCH] Script for generating Documentation/dontdiff from .gitignore files. (was Re: [RFC/PATCH] dontdiff: generate from gitignore)

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Message-ID: <20080916032620.GA5188@localhost>
Date:	Tue, 16 Sep 2008 06:26:20 +0300
From:	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	Uwe.Kleine-Koenig@...i.com, daniel@...ielguilak.com,
	den@...nvz.org, efault@....de, etienne_lorrain@...oo.fr,
	sam@...nborg.org, tglx@...utronix.de, willy@...ux.intel.com,
	torvalds@...ux-foundation.org, adobriyan@...il.com,
	kai.extern@...glemail.com, eduard.munteanu@...ux360.ro
Subject: Re: [RFC PATCH] Script for generating Documentation/dontdiff from
	.gitignore files. (was Re: [RFC/PATCH] dontdiff: generate from
	gitignore)

On Mon, Sep 15, 2008 at 08:34:07AM -0700, Randy Dunlap wrote:
> On Sun, 14 Sep 2008 21:23:57 +0300 Eduard - Gabriel Munteanu wrote:
> 
> > .gitignore files get more testing than Documentation/dontdiff, since most
> > developers follow Git workflow when sending patches. The latter tends to
> > stay outdated and needs to be synchronized every now and then. This patch
> > provides a script that scans all .gitignore files and generates a
> > Documentation/dontdiff to stdout.
> > 
> > Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
> 
> Hi,
> You probably missed (& should read) this thread:
>   http://lkml.org/lkml/2008/9/12/154
> 
>

Thanks, it makes sense.

It seems like diff can't handle such scenarios at all. I suppose Linux should
supply its own diff tool (which uses regular diff, but implements proper file
matching).

Maybe git-diff alone could be included in the tarballs, I'll look into
it.


	Cheers,
	Eduard

> > ---
> >  scripts/gen_dontdiff.sh |   21 +++++++++++++++++++++
> >  1 files changed, 21 insertions(+), 0 deletions(-)
> >  create mode 100755 scripts/gen_dontdiff.sh
> > 
> > diff --git a/scripts/gen_dontdiff.sh b/scripts/gen_dontdiff.sh
> > new file mode 100755
> > index 0000000..cd94747
> > --- /dev/null
> > +++ b/scripts/gen_dontdiff.sh
> > @@ -0,0 +1,21 @@
> > +#!/bin/bash
> > +
> > +# Copyright (C) 2008 Eduard - Gabriel Munteanu
> > +#
> > +# This file is released under GPL version 2.
> > +
> > +echo "### Generated by gen_dontdiff.sh ###"
> > +
> > +grep -Ev "^([[:space:]]*[[#]]*|$)" .gitignore
> > +
> > +find . -mindepth 2 -name .gitignore | sed -e "s/^\.\///g" | while read FILE
> > +do
> > +	CURR_DIR=`echo "$FILE" | sed -e "s/\.gitignore$//g"`
> > +	echo "# $FILE"
> > +	grep -Ev "^([[:space:]]*[[#]]*|$)" $FILE | while read LINE
> > +	do
> > +		echo $CURR_DIR$LINE
> > +	done
> > +	echo ""
> > +done
> > +
> > -- 
> 
> ---
> ~Randy
> Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
> http://linuxplumbersconf.org/
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