linux-kernel - Re: [Cocci] [PATCH 1/3] kbuild: do not use scripts/ld-version.sh for checking spatch version

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Date:   Sat, 12 Dec 2020 18:30:06 +0100 (CET)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Masahiro Yamada <masahiroy@...nel.org>
cc:     linux-kbuild@...r.kernel.org,
        Michal Marek <michal.lkml@...kovi.net>,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Dominique Martinet <asmadeus@...ewreck.org>,
        Matthias Maennich <maennich@...gle.com>,
        linux-kernel@...r.kernel.org, cocci@...teme.lip6.fr
Subject: Re: [Cocci] [PATCH 1/3] kbuild: do not use scripts/ld-version.sh
 for    checking spatch version

On Sun, 13 Dec 2020, Masahiro Yamada wrote:

> scripts/ld-version.sh was, as its file name implies, originally intended
> for the GNU ld version, but is (ab)used for the spatch version too.
>
> Use 'sort -CV' for the version comparison, then coccicheck does not need
> to use scripts/ld-version.sh. Fix nsdeps as well.
>
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>

Applied, thanks.

julia

> ---
>
>  scripts/coccicheck | 14 +++++---------
>  scripts/nsdeps     |  4 +---
>  2 files changed, 6 insertions(+), 12 deletions(-)
>
> diff --git a/scripts/coccicheck b/scripts/coccicheck
> index 209bb0427b43..d7f6b7ff130a 100755
> --- a/scripts/coccicheck
> +++ b/scripts/coccicheck
> @@ -16,7 +16,6 @@ if [ ! -x "$SPATCH" ]; then
>  fi
>
>  SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}')
> -SPATCH_VERSION_NUM=$(echo $SPATCH_VERSION | ${DIR}/scripts/ld-version.sh)
>
>  USE_JOBS="no"
>  $SPATCH --help | grep "\-\-jobs" > /dev/null && USE_JOBS="yes"
> @@ -186,14 +185,11 @@ coccinelle () {
>
>      OPT=`grep "Options:" $COCCI | cut -d':' -f2`
>      REQ=`grep "Requires:" $COCCI | cut -d':' -f2 | sed "s| ||"`
> -    REQ_NUM=$(echo $REQ | ${DIR}/scripts/ld-version.sh)
> -    if [ "$REQ_NUM" != "0" ] ; then
> -	    if [ "$SPATCH_VERSION_NUM" -lt "$REQ_NUM" ] ; then
> -		    echo "Skipping coccinelle SmPL patch: $COCCI"
> -		    echo "You have coccinelle:           $SPATCH_VERSION"
> -		    echo "This SmPL patch requires:      $REQ"
> -		    return
> -	    fi
> +    if [ -n "$REQ" ] && ! { echo "$REQ"; echo "$SPATCH_VERSION"; } | sort -CV ; then
> +	    echo "Skipping coccinelle SmPL patch: $COCCI"
> +	    echo "You have coccinelle:           $SPATCH_VERSION"
> +	    echo "This SmPL patch requires:      $REQ"
> +	    return
>      fi
>
>  #   The option '--parse-cocci' can be used to syntactically check the SmPL files.
> diff --git a/scripts/nsdeps b/scripts/nsdeps
> index dab4c1a0e27d..e8ce2a4d704a 100644
> --- a/scripts/nsdeps
> +++ b/scripts/nsdeps
> @@ -12,11 +12,9 @@ if [ ! -x "$SPATCH" ]; then
>  	exit 1
>  fi
>
> -SPATCH_REQ_VERSION_NUM=$(echo $SPATCH_REQ_VERSION | ${DIR}/scripts/ld-version.sh)
>  SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}')
> -SPATCH_VERSION_NUM=$(echo $SPATCH_VERSION | ${DIR}/scripts/ld-version.sh)
>
> -if [ "$SPATCH_VERSION_NUM" -lt "$SPATCH_REQ_VERSION_NUM" ] ; then
> +if ! { echo "$SPATCH_REQ_VERSION"; echo "$SPATCH_VERSION"; } | sort -CV ; then
>  	echo "spatch needs to be version $SPATCH_REQ_VERSION or higher"
>  	exit 1
>  fi
> --
> 2.27.0
>
> _______________________________________________
> Cocci mailing list
> Cocci@...teme.lip6.fr
> https://systeme.lip6.fr/mailman/listinfo/cocci
>

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