linux-kernel - Re: [PATCH] get_maintainer: add --keywords-in-file option

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Date:   Thu, 5 Oct 2023 15:36:26 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Joe Perches <joe@...ches.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org,
        Justin Stitt <justinstitt@...gle.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH] get_maintainer: add --keywords-in-file option

On Thu, Oct 05, 2023 at 02:35:17PM -0700, Joe Perches wrote:
> There were some recent attempts [1] [2] to make the K: field less noisy
> and its behavior more obvious. Ultimately, a shift in the default
> behavior and an associated command line flag is the best choice.
> 
> Currently, K: will match keywords found in both patches and files.
> 
> Matching content from entire files is (while documented) not obvious
> behavior and is usually not wanted by maintainers.
> 
> Now only patch content will be matched against unless --keywords-in-file
> is also provided as an argument to get_maintainer.
> 
> Add the actual keyword matched to the role or rolestats as well.
> 
> For instance given the diff below that removes clang:
> 
>    diff --git a/drivers/hid/bpf/entrypoints/README b/drivers/hid/bpf/entrypoints/README
>    index 147e0d41509f..f88eb19e8ef2 100644
>    --- a/drivers/hid/bpf/entrypoints/README
>    +++ b/drivers/hid/bpf/entrypoints/README
>    @@ -1,4 +1,4 @@
>     WARNING:
>     If you change "entrypoints.bpf.c" do "make -j" in this directory to rebuild "entrypoints.skel.h".
>    -Make sure to have clang 10 installed.
>    +Make sure to have 10 installed.
>     See Documentation/bpf/bpf_devel_QA.rst
> 
> The new role/rolestats output includes ":Keyword:\b(?i:clang|llvm)\b"
> 
> $ git diff drivers/hid/bpf/entrypoints/README | .scripts/get_maintainer.pl
> Jiri Kosina <jikos@...nel.org> (maintainer:HID CORE LAYER,commit_signer:1/1=100%)
> Benjamin Tissoires <benjamin.tissoires@...hat.com> (maintainer:HID CORE LAYER,commit_signer:1/1=100%,authored:1/1=100%,added_lines:4/4=100%)
> Nathan Chancellor <nathan@...nel.org> (supporter:CLANG/LLVM BUILD SUPPORT:Keyword:\b(?i:clang|llvm)\b)
> Nick Desaulniers <ndesaulniers@...gle.com> (supporter:CLANG/LLVM BUILD SUPPORT:Keyword:\b(?i:clang|llvm)\b)
> Tom Rix <trix@...hat.com> (reviewer:CLANG/LLVM BUILD SUPPORT:Keyword:\b(?i:clang|llvm)\b)
> Greg Kroah-Hartman <gregkh@...uxfoundation.org> (commit_signer:1/1=100%)
> linux-input@...r.kernel.org (open list:HID CORE LAYER)
> linux-kernel@...r.kernel.org (open list)
> llvm@...ts.linux.dev (open list:CLANG/LLVM BUILD SUPPORT:Keyword:\b(?i:clang|llvm)\b)
> 
> Link: https://lore.kernel.org/r/20231004-get_maintainer_change_k-v1-1-ac7ced18306a@google.com
> Link: https://lore.kernel.org/all/20230928-get_maintainer_add_d-v2-0-8acb3f394571@google.com
> Link: https://lore.kernel.org/all/3dca40b677dd2fef979a5a581a2db91df2c21801.camel@perches.com
> Original-patch-by: Justin Stitt <justinstitt@...gle.com>
> Signed-off-by: Joe Perches <joe@...ches.com>

Thank you! This will make things nicer. :)

-Kees

-- 
Kees Cook