[Linux-kernel-mentees] [PATCH v2] checkpatch: improve email parsing
joe at perches.com
Tue Nov 3 19:32:10 UTC 2020
On Tue, 2020-11-03 at 09:10 +0100, Lukas Bulwahn wrote:
> Maybe you can coordinate among each other who would want to create
> suitable fix rules here?
> Also, start with the class of the most frequent mistakes for
> unexpected content after email addresses.
> I imagine that a maintainer can simply run a tag sanitizing script
> which just cleans up those stupid mistakes before creating their git
> trees or sending git pulls to Linus.
Does anyone really do that?
It generally requires rebasing or post processing each commit after
being committed before another commit occurs.
> Let us try to add these
> sanitizing rules to checkpatch.pl with fix options for now; if that
> sanitizing feature becomes a monster script of its own within
> checkpatch.pl, we can refactor that into an independent script for
> cleaning up.
I rather doubt an independent script is going to be worthwhile
as these rules shouldn't be all that complex.
The only prefixes acceptable for a stable address should be
CC:|Cc:|cc:. There are 2 uses in the last 100k commits for
Signed-off-by: and Acked-by: with stable addresses, those should have a
message/warning emitted in the future.
The forms used with those cc: stable addresses:
2777 stable without comment
1381 stable # comment
74 stable [ comment ]
So I suggest standardizing on no comment and # comment with any other
style getting a warning.
For non-stable <foo>-by: and cc: addresses and other signatures:
Likely any content after a email address other than a parenthesized
block should have some checkpatch message emitted.
This should be OK:
Signed-off-by: Full Name (comment) <address at domain.tld> (maintainer:...)
But perhaps this should not be OK:
Signed-off-by: Full Name (comment) <address at domain.tld> # comment
There are 316 uses of this # comment style in the last 100k commits
and 103 with (comment) after the address.
Maybe the # use should be ok, maybe not.
And anyone that uses a multiple comments in a name or a even
a single comment in the email address should also get warned.
The below should not be OK even if actually valid address forms:
Signed-off-by: Full (comment1) Name (comment2) <address at domain.tld>
Signed-off-by: Full Name <address@(comment)domain.tld>
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