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From:   Masahiro Yamada <masahiroy@kernel.org>
Date:   Mon, 30 Aug 2021 08:22:41 +0900
Message-ID: <CAK7LNARehxwwKXWVLcBFTCAOu8x-MhiGzv6S3nsWV0QGz8G6iA@mail.gmail.com>
Subject: Re: [PATCH 3/3] checkkconfigsymbols.py: Forbid passing 'HEAD' to --commit
To:     Ariel Marcovitch <trhtkmarco@gmail.com>
Cc:     Ariel Marcovitch <arielmarcovitch@gmail.com>,
        Michal Marek <michal.lkml@markovi.net>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Valentin Rothberg <valentinrothberg@gmail.com>
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On Sun, Aug 29, 2021 at 10:23 PM Ariel Marcovitch <trhtkmarco@gmail.com> wrote:
>
> Hello!
>
> On 24/08/2021 16:31, Masahiro Yamada wrote:
> > On Mon, Aug 23, 2021 at 4:23 AM Ariel Marcovitch
> > <arielmarcovitch@gmail.com> wrote:
> >> As opposed to the --diff option, --commit can get ref names instead of
> >> commit hashes.
> >>
> >> When using the --commit option, the script resets the working directory
> >> to the commit before the given ref, by adding '~' to the end of the ref.
> >>
> >> However, the 'HEAD' ref is relative, and so when the working directory
> >> is reset to 'HEAD~', 'HEAD' points to what was 'HEAD~'. Then when the
> >> script resets to 'HEAD' it actually stays in the same commit. In this
> >> case, the script won't report any cases because there is no diff between
> >> the cases of the two refs.
> >>
> >> Prevent the user from using HEAD refs.
> >>
> >> A better solution might be to resolve the refs before doing the
> >> reset, but for now just disallow such refs.
> >
> > Better than doing nothing.
> > So, applied to linux-kbuild.
> >
> >
> >
> >
> >
> >> Signed-off-by: Ariel Marcovitch <arielmarcovitch@gmail.com>
> >> ---
> >>   scripts/checkkconfigsymbols.py | 3 +++
> >>   1 file changed, 3 insertions(+)
> >>
> >> diff --git a/scripts/checkkconfigsymbols.py b/scripts/checkkconfigsymbols.py
> >> index 875e9a2c14b2..6259698e662d 100755
> >> --- a/scripts/checkkconfigsymbols.py
> >> +++ b/scripts/checkkconfigsymbols.py
> >> @@ -103,6 +103,9 @@ def parse_options():
> >>                        "continue.")
> >>
> >>       if args.commit:
> >> +        if args.commit.startswith('HEAD'):
> >> +            sys.exit("The --commit option can't get use the HEAD ref")
>
> Just realized that the message says "can't get use" which doesn't make
> much sense :)
>
> Do you want me to send a new patch to fix it?

OK, I dropped 3/3 from my tree.

Please send v2.


> >> +
> >>           args.find = False
> >>
> >>       if args.ignore:
> >> --
> >> 2.25.1
> >>
> >
> Thanks for your time :)
>
> Ariel Marcovitch
>


-- 
Best Regards
Masahiro Yamada