"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=xutdy2mcr0xy3m3fibv...@mail.gmail.com/ [1] Signed-off-by: Matthieu Baerts <matthieu.bae...@tessares.net> --- v3: - new patch addressing Linus' concerns. --- scripts/checkpatch.pl | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index ca58c734ff22..e3cafd2cb77a 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -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 =~ /^$link_tags_search$/ && $value !~ /^https?:/) { + WARN("COMMIT_LOG_WRONG_LINK", + "'$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", -- 2.39.2
