linux-kernel - Re: scripts/config: fix variable substitution command

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Message-ID: <CA+icZUXihARzNZPPHw8X+-xpwxumKBBHcPSPL4hUM1mRSQ9DaQ@mail.gmail.com>
Date:	Sun, 15 Sep 2013 20:28:54 +0200
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	"Yann E. MORIN" <yann.morin.1998@...e.fr>
Cc:	Clément Chauplannaz <chauplac@...il.com>,
	Michal Marek <mmarek@...e.cz>, linux-kbuild@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Thorsten Glaser <tg@...bsd.de>
Subject: Re: scripts/config: fix variable substitution command

On Sun, Sep 15, 2013 at 1:39 AM, Yann E. MORIN <yann.morin.1998@...e.fr> wrote:
> Sedat, All,
>
> On 2013-09-14 16:43 +0200, Sedat Dilek spake thusly:
>> On Sat, Sep 14, 2013 at 4:21 PM, Clément Chauplannaz <chauplac@...il.com> wrote:
>> > 2013/9/14 Sedat Dilek <sedat.dilek@...il.com>:
> [--SNIP--]
>> >> So, can you point me/us to the correct commit with subject, please?!
>> >
>> > My apologies for that mistake. The initial commit, as present in Linus tree, is:
>> > 83e8b90e1d2cc5ff5d2443f2486c2d786a4997ce - scripts/config: use sed's
>> > POSIX interface
>> >
>> > Thus, the commit message for this patch should read:
>> > scripts/config: fix variable substitution command
>> >
>> > Commit 83e8b90e1d2cc5ff5d2443f2486c2d786a4997ce ("scripts/config: use sed's
>> > POSIX interface") accidentally changed the separator between sed `s' command
>> > and its parameters from ':' to '/'.
>> >
>> > Revert this change.
>> >
>> > Reported-and-tested-by: Linus Walleij <linus.walleij@...aro.org>
>> > Signed-off-by: Clement Chauplannaz <chauplac@...il.com>
>> > Signed-off-by: Michal Marek <mmarek@...e.cz>
>> >
>>
>> What means "pending" [1]?
>
> The current script had a latent bug that would trigger when the user want
> to set a string that contains a colon ':'.
>
> This behaviour was changed by Clément, and the bug was then about strings
> with a '/' instead. This was a regression for some users.
>
> The behaviour was then reverted to break on strings containing ':'.
>
> What is pending is a final fix that will fix both cases.
>
>> Pending in sense of "we are working on it" or in the sense of
>> "exists-but-not-published".
>
> The final fix is trivial and identified, so I guess that Clément has yet
> had time to send the patch.
>
>> I did not found a hint on the offline linux-kbuild ML.
>
> That would be Michal's suggestion there:
>     http://marc.info/?l=linux-kbuild&m=137907001305533&w=2
>

I talked with Thorsten (MirBSD and Debian developer) and he suggested:

$ sed -e "s^A$before^A$after^A" "$infile" >"$tmpfile" <--- see
attached Text-File

NOTE: Control character "^A" <--- ASCII 0x01 aka SOH (Start Of Heading)

- Sedat -

P.S.: Note2myself: vi/vim: Insert-mode: Ctrl-v Ctrl-a

>> BTW, the GIT repo of Yann is not browsable (which is sh*t for checking
>> commits quickl, I don't want to be forced to checkout).
>
> Yes, I know about that one. I've already notified the gitorious guys
> about the issue, they supposedly fixed it, but it is broken again.
>
> I will re-open my ticket in a moment.
>
> Regards,
> Yann E. MORIN.
>
> --
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