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checkpatch: check for misuse of the link tags

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"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>

Now that we check the "link" tags are followed by a URL, we can relax the
check linked to "Reported-by being followed by a link tag" to only verify
if a "link" tag is present after the "Reported-by" one.

Link: https://lore.kernel.org/linux-doc/CAHk-=wh0v1EeDV3v8TzK81nDC40=XuTdY2MCr0xy3m3FiBV3+Q@mail.gmail.com/ [1]
Link: https://lkml.kernel.org/r/20230314-doc-checkpatch-closes-tag-v4-5-d26d1fa66f9f@tessares.net
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Acked-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Bagas Sanjaya <bagasdotme@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@gmail.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kai Wasserbäch <kai@dev.carbon-project.org>
Cc: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: Thorsten Leemhuis <linux@leemhuis.info>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthieu Baerts 2023-04-03 18:23:50 +02:00 committed by Andrew Morton
parent 44c3188809
commit d6ccdd678e
1 changed files with 12 additions and 1 deletions
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13
scripts/checkpatch.pl
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@ -3179,7 +3179,7 @@ sub process {
if (!defined $lines[$linenr]) {
WARN("BAD_REPORTED_BY_LINK",
"Reported-by: should be immediately followed by Closes: with a URL to the report\n" . $herecurr . "\n");
} elsif ($rawlines[$linenr] !~ m{^closes:\s*https?://}i) {
} elsif ($rawlines[$linenr] !~ /^closes:\s*/i) {
WARN("BAD_REPORTED_BY_LINK",
"Reported-by: should be immediately followed by Closes: with a URL to the report\n" . $herecurr . $rawlines[$linenr] . "\n");
}
@ -3292,6 +3292,17 @@ sub process {
}
}
# Check for misuse of the link tags
if ($in_commit_log &&
$line =~ /^\s*(\w+:)\s*(\S+)/) {
my $tag = $1;
my $value = $2;
if ($tag =~ /^$link_tags_search$/ && $value !~ m{^https?://}) {
WARN("COMMIT_LOG_WRONG_LINK",
"'$tag' should be followed by a public http(s) link\n" . $herecurr);
}
}
# Check for lines starting with a #
if ($in_commit_log && $line =~ /^#/) {
if (WARN("COMMIT_COMMENT_SYMBOL",