linux-kernel - Re: [PATCH] checkpatch: Use python3 to run spdxcheck.py

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Date:   Wed, 16 Jun 2021 00:28:14 +0530
From:   Dwaipayan Ray <dwaipayanray1@...il.com>
To:     Paul Barker <paul@...rker.dev>
Cc:     Andy Whitcroft <apw@...onical.com>, Joe Perches <joe@...ches.com>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] checkpatch: Use python3 to run spdxcheck.py

On Wed, Jun 16, 2021 at 12:22 AM Paul Barker <paul@...rker.dev> wrote:
>
> Since commit d0259c42abff ("spdxcheck.py: Use Python 3"), the shebang
> line in scripts/spdxcheck.py says the script should run with `python3`.
> However, checkpatch has been explicitly running this script with
> `python` so it needs updating to ensure that Python 3 is used on all
> distros.
>
> Signed-off-by: Paul Barker <paul@...rker.dev>
> ---
>  scripts/checkpatch.pl | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 23697a6b1eaa..5e5e3a53461b 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -1084,10 +1084,10 @@ sub is_maintained_obsolete {
>  sub is_SPDX_License_valid {
>         my ($license) = @_;
>
> -       return 1 if (!$tree || which("python") eq "" || !(-e "$root/scripts/spdxcheck.py") || !(-e "$gitroot"));
> +       return 1 if (!$tree || which("python3") eq "" || !(-e "$root/scripts/spdxcheck.py") || !(-e "$gitroot"));
>
>         my $root_path = abs_path($root);
> -       my $status = `cd "$root_path"; echo "$license" | python scripts/spdxcheck.py -`;
> +       my $status = `cd "$root_path"; echo "$license" | python3 scripts/spdxcheck.py -`;
>         return 0 if ($status ne "");
>         return 1;
>  }
> --

Hello,
This change was already added by Commit c739ec2da1ea
("checkpatch: scripts/spdxcheck.py now requires python3")
in linux-next.

Thanks,
Dwaipayan.