Re: [PATCH AUTOSEL 4.19 06/42] scripts/sphinx-pre-install: fix script for RHEL/CentOS

From: Alexander Kapshuk
Date: Sat Aug 03 2019 - 06:32:12 EST


On Sat, Aug 3, 2019 at 11:19 AM Sasha Levin <sashal@xxxxxxxxxx> wrote:
>
> From: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
>
> [ Upstream commit b308467c916aa7acc5069802ab76a9f657434701 ]
>
> There's a missing parenthesis at the script, with causes it to
> fail to detect non-Fedora releases (e. g. RHEL/CentOS).
>
> Tested with Centos 7.6.1810.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> ---
> scripts/sphinx-pre-install | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
> index 067459760a7b0..3524dbc313163 100755
> --- a/scripts/sphinx-pre-install
> +++ b/scripts/sphinx-pre-install
> @@ -301,7 +301,7 @@ sub give_redhat_hints()
> #
> # Checks valid for RHEL/CentOS version 7.x.
> #
> - if (! $system_release =~ /Fedora/) {
> + if (!($system_release =~ /Fedora/)) {
> $map{"virtualenv"} = "python-virtualenv";
> }
>
> --
> 2.20.1
>

The negated binding operator '!~' could be used here as well, and it
does not require the use of extra parenthesis.
Just a thought.