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Message-ID: <c2d5cc07-ec95-eb64-0cef-42f8378ea054@leemhuis.info>
Date:   Fri, 31 Mar 2023 10:57:35 +0200
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To:     Matthieu Baerts <matthieu.baerts@tessares.net>,
        Jonathan Corbet <corbet@lwn.net>,
        Andy Whitcroft <apw@canonical.com>,
        Joe Perches <joe@perches.com>,
        Dwaipayan Ray <dwaipayanray1@gmail.com>,
        Lukas Bulwahn <lukas.bulwahn@gmail.com>,
        =?UTF-8?Q?Kai_Wasserb=c3=a4ch?= <kai@dev.carbon-project.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Konstantin Ryabitsev <konstantin@linuxfoundation.org>,
        Bagas Sanjaya <bagasdotme@gmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>
Cc:     linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
        dri-devel@lists.freedesktop.org, mptcp@lists.linux.dev
References: <20230314-doc-checkpatch-closes-tag-v3-0-d1bdcf31c71c@tessares.net>
 <20230314-doc-checkpatch-closes-tag-v3-4-d1bdcf31c71c@tessares.net>
From:   Thorsten Leemhuis <linux@leemhuis.info>
Subject: Re: [PATCH v3 4/4] checkpatch: check for misuse of the link tags
In-Reply-To: <20230314-doc-checkpatch-closes-tag-v3-4-d1bdcf31c71c@tessares.net>
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On 30.03.23 20:13, Matthieu Baerts wrote:
> "Link:" and "Closes:" tags have to be used with public URLs.
> 
> It is difficult to make sure the link is public but at least we can
> verify the tag is followed by 'http(s):'.
> 
> With that, we avoid such a tag that is not allowed [1]:
> 
>   Closes: <number>
> 
> Link: https://lore.kernel.org/linux-doc/CAHk-=wh0v1EeDV3v8TzK81nDC40=XuTdY2MCr0xy3m3FiBV3+Q@mail.gmail.com/ [1]
> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
> [...]
> +# Check for misuse of the link tags
> +		if ($in_commit_log &&
> +		    $line =~ /^\s*(\w+:)\s*(\S+)/) {
> +			my $tag = $1;
> +			my $value = $2;
> +			if ($tag =~ /^$link_tags_search$/ && $value !~ /^https?:/) {
> +				WARN("COMMIT_LOG_WRONG_LINK",
> +				     "'$tag' should be followed by a public http(s) link\n" . $herecurr);
> +			}
> +		}
> +

I must be missing something here, but it looks to me like this is
checked twice now. See this line in patch2 (which is changed there, but
the check itself remains):

> } elsif ($rawlines[$linenr] !~ m{^link:\s*https?://}i) {

Ciao, Thorsten