linux-kernel - Re: [PATCH] scripts/tags.sh: Fix the Kconfig tags generation when using latest ctags

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Date:   Fri, 30 Dec 2022 10:56:28 +0800
From:   Kevin Hao <haokexin@...il.com>
To:     Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Vipin Sharma <vipinsh@...gle.com>
Subject: Re: [PATCH] scripts/tags.sh: Fix the Kconfig tags generation when
 using latest ctags

On Thu, Dec 29, 2022 at 02:33:15PM +0200, Cristian Ciocaltea wrote:
> 
> On 12/29/22 07:54, Kevin Hao wrote:
> > The Kconfig language has already been built-in in the latest ctags, so
> > it would error exit if we try to define it as an user-defined language
> > via '--langdef=kconfig'. This results that there is no Kconfig tags in
> > the final tag file. Fix this by skipping the user Kconfig definition for
> > the latest ctags.
> > 
> > Signed-off-by: Kevin Hao <haokexin@...il.com>
> > ---
> >   scripts/tags.sh | 10 ++++++----
> >   1 file changed, 6 insertions(+), 4 deletions(-)
> > 
> > diff --git a/scripts/tags.sh b/scripts/tags.sh
> > index e137cf15aae9..c56b13ae3fdf 100755
> > --- a/scripts/tags.sh
> > +++ b/scripts/tags.sh
> > @@ -264,10 +264,12 @@ exuberant()
> >   	--$CTAGS_EXTRA=+fq --c-kinds=+px --fields=+iaS --langmap=c:+.h \
> >   	"${regex[@]}"
> > -	setup_regex exuberant kconfig
> > -	all_kconfigs | xargs $1 -a                              \
> > -	--langdef=kconfig --language-force=kconfig "${regex[@]}"
> > -
> > +	KCONFIG_ARGS=""
> > +	if ! $1 --list-languages | grep -iq kconfig; then
> > +		setup_regex exuberant kconfig
> > +		KCONFIG_ARGS="--langdef=kconfig --language-force=kconfig ${regex[@]}"
> > +	fi
> > +	all_kconfigs | xargs $1 -a $KCONFIG_ARGS
> >   }
> 
> The 'regex' array needs quoting to prevent word splitting/globbing.

Fair enough.

> I would
> suggest to transform 'KCONFIG_ARGS' into an array as well:

Sounds great. V2 is coming.

Thanks,
Kevin

> 
> KCONFIG_ARGS=()
> if ! $1 --list-languages | grep -iq kconfig; then
> 	setup_regex exuberant kconfig
> 	KCONFIG_ARGS=(--langdef=kconfig --language-force=kconfig "${regex[@]}")
> fi
> all_kconfigs | xargs $1 -a "${KCONFIG_ARGS[@]}"
> 
> 
> >   emacs()

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