Received: (at 72556) by debbugs.gnu.org; 15 Sep 2024 10:42:09 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Sep 15 06:42:09 2024 Received: from localhost ([127.0.0.1]:48497 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1spmhl-0003w6-0Q for submit <at> debbugs.gnu.org; Sun, 15 Sep 2024 06:42:09 -0400 Received: from mout02.posteo.de ([185.67.36.66]:41487) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <tomasn@HIDDEN>) id 1spmhi-0003vZ-Jw for 72556 <at> debbugs.gnu.org; Sun, 15 Sep 2024 06:42:07 -0400 Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id 8279B240101 for <72556 <at> debbugs.gnu.org>; Sun, 15 Sep 2024 12:41:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1726396908; bh=5XCZ9bLwSmynwvffyzE7XA7/8QsC980+ITgdw8xna/4=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=KUW+3bCdH2yIdSfldheEokK5/xCx1GhDe0uEsTk6SLHDZSE7lg8z609B7+HsL+A6Z NH25RKtp4O1DmC7EdjXNTKSX+khTe9XzxQNp1AiOtsw46POMH30pHEZPEigOTMk9Pm QpvaDKtB6vma0Mio8UmUi2nqHKL72Nh1lCslqm3kgRKNqWA09MNTvMbKgUkfyajbTJ 5npRhU9SsSMddCOoUXI3V8W7VWmdXO/PWbHxIzDCtTBYRdXKFGJbprRqlEvpZR7joV NCnWBa+fHWBfbh+DkeQx2OMxwZ2wXHVpkq+PjFU6zy1QtamrolyoZpTQTFHBuJj0/z Yjr8fL5vqQOBg== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4X64NV1j9Dz6tvp; Sun, 15 Sep 2024 12:41:45 +0200 (CEST) From: Tomas Nordin <tomasn@HIDDEN> To: Dmitry Gutov <dmitry@HIDDEN>, 72556 <at> debbugs.gnu.org Subject: Re: bug#72556: 29.1.90; vc-diff does not undo hunk in end of source file In-Reply-To: <b6964d32-aa15-46d1-8a2f-20a12588efc5@HIDDEN> References: <87ttfs60ir.fsf@HIDDEN> <b6964d32-aa15-46d1-8a2f-20a12588efc5@HIDDEN> Date: Sun, 15 Sep 2024 10:41:45 +0000 Message-ID: <87o74pmc5y.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 72556 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Dmitry Gutov <dmitry@HIDDEN> writes: > Hi! > > On 10/08/2024 15:11, Tomas Nordin wrote: >> I have >> noticed that if the diff hunk is an addition in the end of the source >> file, I dont get the expected question if I want to undo the hunk. >> Instead, the hunk is applied again. > > No matter the resolution of this bug, just wanted to make sure you know > that you can force the reverse direction by adding the prefix to the > command. > > So while 'C-c C-a' applies the hunk, 'C-u C-c C-a' reverses it (with a > similar check that sees whether the hunk has been applied already). I was loosely aware of that but never got it into my fingers. Instead I was relying on that dwim behavior of diff-mode. But trying the prefix variant out, it seems to be a solid way of "un-applying" a hunk. Might not be worth the trouble to try and fix this problem if it is complicated. There is a solid way to do what I want (which is maybe the proper way), and my complaint about this is the only one I have seen. A wont-fix is fine with me.
bug-gnu-emacs@HIDDEN:bug#72556; Package emacs.
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Sat, 14 Sep 2024 11:50:35 -0400 (EDT) Message-ID: <b6964d32-aa15-46d1-8a2f-20a12588efc5@HIDDEN> Date: Sat, 14 Sep 2024 18:50:33 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: bug#72556: 29.1.90; vc-diff does not undo hunk in end of source file To: Tomas Nordin <tomasn@HIDDEN>, 72556 <at> debbugs.gnu.org References: <87ttfs60ir.fsf@HIDDEN> Content-Language: en-US From: Dmitry Gutov <dmitry@HIDDEN> In-Reply-To: <87ttfs60ir.fsf@HIDDEN> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 72556 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) Hi! On 10/08/2024 15:11, Tomas Nordin wrote: > I have > noticed that if the diff hunk is an addition in the end of the source > file, I dont get the expected question if I want to undo the hunk. > Instead, the hunk is applied again. No matter the resolution of this bug, just wanted to make sure you know that you can force the reverse direction by adding the prefix to the command. So while 'C-c C-a' applies the hunk, 'C-u C-c C-a' reverses it (with a similar check that sees whether the hunk has been applied already).
bug-gnu-emacs@HIDDEN:bug#72556; Package emacs.
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Sat, 14 Sep 2024 11:47:41 -0400 (EDT) Message-ID: <3e529eff-daf6-4518-b397-a21656b97199@HIDDEN> Date: Sat, 14 Sep 2024 18:47:39 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: bug#72556: 29.1.90; vc-diff does not undo hunk in end of source file To: Juri Linkov <juri@HIDDEN>, Eli Zaretskii <eliz@HIDDEN> References: <87ttfs60ir.fsf@HIDDEN> <86ttfj32wk.fsf@HIDDEN> <861q2lhrxc.fsf@HIDDEN> Content-Language: en-US From: Dmitry Gutov <dmitry@HIDDEN> In-Reply-To: <861q2lhrxc.fsf@HIDDEN> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 72556 Cc: Tomas Nordin <tomasn@HIDDEN>, 72556 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) On 19/08/2024 19:49, Juri Linkov wrote: > A possible solution would be to add a condition to detect the case > when the hunk is at the beginning/end of the diff buffer. This might have drawbacks. Sometimes we want to split a hunk and then apply the top part. And when a hunk is split, the top part can't have context at the end.
bug-gnu-emacs@HIDDEN:bug#72556; Package emacs.
Full text available.Received: (at 72556) by debbugs.gnu.org; 14 Sep 2024 07:35:36 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Sep 14 03:35:36 2024 Received: from localhost ([127.0.0.1]:44658 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1spNJf-0002pf-Pk for submit <at> debbugs.gnu.org; Sat, 14 Sep 2024 03:35:36 -0400 Received: from eggs.gnu.org ([209.51.188.92]:52524) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1spNJd-0002pO-QG for 72556 <at> debbugs.gnu.org; Sat, 14 Sep 2024 03:35:34 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1spNJN-0000lz-Of; Sat, 14 Sep 2024 03:35:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=+090XjaAqF/z3NEN+LV5PRogHfXLHAR6nU1a1Pm5Kwc=; b=jEIIVMg+fu9y lHdfIRWHUeDPewzXY5D8ju7WExIrvVoVTAopuYv10XeGVv9AQU5RTp3+pnsDM/pdRkDJP+T6AsjYC uV3JlbyX5FZMWs2KfeLqR2R2E32gThZdybC7J/ynUMJZZZmK4cCl90HvZpu4Wemn/gE1eiNxnkZQn ura6EmOnmUBlg8ZPOj2W16uB5rg5SEIaJKTkoxUQiK+xis5GJHVaSMbz5sZohCHayhFQGssIsdlQF adzCFygPlm0hIhHNvfwyxPjaeeEMlgzVLXihC7uppovDWRutBq0xq9r3FEY/+hA2eAMCv8a1dFx3h qjAp4lAfKkHwRyNz0yL2fA==; Date: Sat, 14 Sep 2024 10:35:15 +0300 Message-Id: <86ed5mit70.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: dmitry@HIDDEN, juri@HIDDEN In-Reply-To: <86msktcdvj.fsf@HIDDEN> (message from Eli Zaretskii on Sat, 31 Aug 2024 11:09:36 +0300) Subject: Re: bug#72556: 29.1.90; vc-diff does not undo hunk in end of source file References: <87ttfs60ir.fsf@HIDDEN> <86ttfj32wk.fsf@HIDDEN> <861q2lhrxc.fsf@HIDDEN> <86msktcdvj.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 72556 Cc: tomasn@HIDDEN, 72556 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Ping! Would someone want to work on a patch, or should I close this bug as wontfix? > Cc: 72556 <at> debbugs.gnu.org > Date: Sat, 31 Aug 2024 11:09:36 +0300 > From: Eli Zaretskii <eliz@HIDDEN> > > > From: Juri Linkov <juri@HIDDEN> > > Cc: Tomas Nordin <tomasn@HIDDEN>, Dmitry Gutov <dmitry@HIDDEN>, > > 72556 <at> debbugs.gnu.org > > Date: Mon, 19 Aug 2024 19:49:05 +0300 > > > > >> To reproduce: > > >> > > >> $ mkdir apply > > >> $ cd apply > > >> $ echo "first line of code" > example.file > > >> $ git init > > >> $ git add . > > >> $ git commit -m 'init' > > >> $ echo "last line of code" >> example.file > > >> $ emacs -Q example.file > > >> > > >> C-x v = > > >> n > > >> C-c C-a > > >> > > >> The hunk is applied in the source buffer. > > > > > > Juri and Dmitry, any comments or suggestions? > > > > I don't know why it fails at the end, so I tried to debug 'diff-apply-hunk', > > and found that the problem is in these lines of 'diff-find-source-location': > > > > ;; FIXME: Check for case where both OLD and NEW are found. > > (pos (or (diff-find-text (car old)) > > > > When the hunk is at the beginning/end of the diff buffer, > > then it misses the top/bottom part of the context, > > so 'diff-find-text' wrongly matches it because it fails > > to see any changes in it due to insufficient context, > > and returns switched=nil. > > > > A possible solution would be to add a condition to detect the case > > when the hunk is at the beginning/end of the diff buffer. > > Thanks. Would anyone like to submit a patch along these lines? > > > >
bug-gnu-emacs@HIDDEN:bug#72556; Package emacs.
Full text available.Received: (at 72556) by debbugs.gnu.org; 31 Aug 2024 08:10:44 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Aug 31 04:10:44 2024 Received: from localhost ([127.0.0.1]:53873 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1skJC0-0006UT-BJ for submit <at> debbugs.gnu.org; Sat, 31 Aug 2024 04:10:44 -0400 Received: from eggs.gnu.org ([209.51.188.92]:51144) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1skJBx-0006U8-HG for 72556 <at> debbugs.gnu.org; Sat, 31 Aug 2024 04:10:42 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1skJAw-0007Cc-5l; Sat, 31 Aug 2024 04:09:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=nyNcG5dDapUy+6kYMXKXBwLsk1dlkh8fQ5L/AnB3jbA=; b=sH+BHNk7Ui8I aFYKoJdICVSepw5OSH3n4OYE5Stv7VnNV3zR0QQL6DO5HR4pB2AjXaSoCInaZqOkNFKSTpDvPdR23 XtT4lala+br7/9Ehx+i+VAtHDfN3rar8dbia6UMU9Ksl4gSDSYPSecDCt4ICHzCbagNnmEHjcasRX BlmRuXtY25Cqa7ON4TZn3t7BS0cuigoakG4QVAMoo6VfPKSHiI7ZMVEmAXlaw69BvWCUWDrlaFdvu S++RWly8RiZp8o6gxiC+5cRPfvq3pxNMs7H9kB4+5tnGTAmDcUEuFdBNvAMlpOEGL4HCGKrweOiey AA87HwumfemCdwi9aAH1sQ==; Date: Sat, 31 Aug 2024 11:09:36 +0300 Message-Id: <86msktcdvj.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: tomasn@HIDDEN, dmitry@HIDDEN, Juri Linkov <juri@HIDDEN> In-Reply-To: <861q2lhrxc.fsf@HIDDEN> (message from Juri Linkov on Mon, 19 Aug 2024 19:49:05 +0300) Subject: Re: bug#72556: 29.1.90; vc-diff does not undo hunk in end of source file References: <87ttfs60ir.fsf@HIDDEN> <86ttfj32wk.fsf@HIDDEN> <861q2lhrxc.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 72556 Cc: 72556 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Juri Linkov <juri@HIDDEN> > Cc: Tomas Nordin <tomasn@HIDDEN>, Dmitry Gutov <dmitry@HIDDEN>, > 72556 <at> debbugs.gnu.org > Date: Mon, 19 Aug 2024 19:49:05 +0300 > > >> To reproduce: > >> > >> $ mkdir apply > >> $ cd apply > >> $ echo "first line of code" > example.file > >> $ git init > >> $ git add . > >> $ git commit -m 'init' > >> $ echo "last line of code" >> example.file > >> $ emacs -Q example.file > >> > >> C-x v = > >> n > >> C-c C-a > >> > >> The hunk is applied in the source buffer. > > > > Juri and Dmitry, any comments or suggestions? > > I don't know why it fails at the end, so I tried to debug 'diff-apply-hunk', > and found that the problem is in these lines of 'diff-find-source-location': > > ;; FIXME: Check for case where both OLD and NEW are found. > (pos (or (diff-find-text (car old)) > > When the hunk is at the beginning/end of the diff buffer, > then it misses the top/bottom part of the context, > so 'diff-find-text' wrongly matches it because it fails > to see any changes in it due to insufficient context, > and returns switched=nil. > > A possible solution would be to add a condition to detect the case > when the hunk is at the beginning/end of the diff buffer. Thanks. Would anyone like to submit a patch along these lines?
bug-gnu-emacs@HIDDEN:bug#72556; Package emacs.
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From: Juri Linkov <juri@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#72556: 29.1.90; vc-diff does not undo hunk in end of source
file
In-Reply-To: <86ttfj32wk.fsf@HIDDEN> (Eli Zaretskii's message of "Sat, 17 Aug
2024 12:38:19 +0300")
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References: <87ttfs60ir.fsf@HIDDEN> <86ttfj32wk.fsf@HIDDEN>
Date: Mon, 19 Aug 2024 19:49:05 +0300
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>> To reproduce:
>>
>> $ mkdir apply
>> $ cd apply
>> $ echo "first line of code" > example.file
>> $ git init
>> $ git add .
>> $ git commit -m 'init'
>> $ echo "last line of code" >> example.file
>> $ emacs -Q example.file
>>
>> C-x v =
>> n
>> C-c C-a
>>
>> The hunk is applied in the source buffer.
>
> Juri and Dmitry, any comments or suggestions?
I don't know why it fails at the end, so I tried to debug 'diff-apply-hunk',
and found that the problem is in these lines of 'diff-find-source-location':
;; FIXME: Check for case where both OLD and NEW are found.
(pos (or (diff-find-text (car old))
When the hunk is at the beginning/end of the diff buffer,
then it misses the top/bottom part of the context,
so 'diff-find-text' wrongly matches it because it fails
to see any changes in it due to insufficient context,
and returns switched=nil.
A possible solution would be to add a condition to detect the case
when the hunk is at the beginning/end of the diff buffer.
bug-gnu-emacs@HIDDEN:bug#72556; Package emacs.
Full text available.Received: (at 72556) by debbugs.gnu.org; 17 Aug 2024 09:39:33 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Aug 17 05:39:33 2024 Received: from localhost ([127.0.0.1]:53537 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1sfFuG-0002sD-Lr for submit <at> debbugs.gnu.org; Sat, 17 Aug 2024 05:39:32 -0400 Received: from eggs.gnu.org ([209.51.188.92]:33258) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1sfFuD-0002rv-J2 for 72556 <at> debbugs.gnu.org; Sat, 17 Aug 2024 05:39:30 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1sfFtR-0005VL-9n; Sat, 17 Aug 2024 05:38:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=oSf39bR6cTBFW3DQfiC7qHCmGW2dVjkuyONcTuCALV4=; b=ASPZeWu1YJd4 yinVuS3PswYxUG0LKffMRIM2QwtRgbvmTGxoTT6azZIcqiigOC7KDrispmP48E4SHY4alE0vfnfgg CeqqLd2GNKnyphatwByMnrr53DKeUi2aJvBeEHhpTxboiOECsierztRzz/6VQB2FTpNHnqg6IT5NP ZMO5iDA/BQNspoDuClLBmH/pE5FQrF8E9vExf/OqDumLvEe8wDLmKt8uNzOB0yt5OC5GDH7l8QaMq 6i6Yw+UIiyAnflwKb7JQYppvyfrOiHKHTWFL7wdHpoC6FK44Kg7wsybQ82ZhT+mZyMsVb4+ujCBnp aFguD4DVCTg17sYlhzyKTw==; Date: Sat, 17 Aug 2024 12:38:19 +0300 Message-Id: <86ttfj32wk.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Tomas Nordin <tomasn@HIDDEN>, Juri Linkov <juri@HIDDEN>, Dmitry Gutov <dmitry@HIDDEN> In-Reply-To: <87ttfs60ir.fsf@HIDDEN> (message from Tomas Nordin on Sat, 10 Aug 2024 12:11:08 +0000) Subject: Re: bug#72556: 29.1.90; vc-diff does not undo hunk in end of source file References: <87ttfs60ir.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 72556 Cc: 72556 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Tomas Nordin <tomasn@HIDDEN> > Date: Sat, 10 Aug 2024 12:11:08 +0000 > > I have got used to the diff-mode feature of undoing hunks. I have > noticed that if the diff hunk is an addition in the end of the source > file, I dont get the expected question if I want to undo the hunk. > Instead, the hunk is applied again. > > My example is with a git repo, some edits made (and saved to disk) in a > file, and hitting C-x v = to view the diff. Move to one of the hunks. > One can now diff-apply-hunk to reverse the hunk. But if that hunk is the > last thing in the source file, the hunk is applied (again). This is not > what I expect. > > To reproduce: > > $ mkdir apply > $ cd apply > $ echo "first line of code" > example.file > $ git init > $ git add . > $ git commit -m 'init' > $ echo "last line of code" >> example.file > $ emacs -Q example.file > > C-x v = > n > C-c C-a > > The hunk is applied in the source buffer. Juri and Dmitry, any comments or suggestions?
bug-gnu-emacs@HIDDEN:bug#72556; Package emacs.
Full text available.Received: (at submit) by debbugs.gnu.org; 10 Aug 2024 12:11:51 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Aug 10 08:11:51 2024 Received: from localhost ([127.0.0.1]:39152 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1sckwo-0004BD-Pr for submit <at> debbugs.gnu.org; Sat, 10 Aug 2024 08:11:51 -0400 Received: from lists.gnu.org ([209.51.188.17]:45872) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <tomasn@HIDDEN>) id 1sckwm-0004B5-B8 for submit <at> debbugs.gnu.org; Sat, 10 Aug 2024 08:11:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <tomasn@HIDDEN>) id 1sckwI-0003XD-Fg for bug-gnu-emacs@HIDDEN; Sat, 10 Aug 2024 08:11:18 -0400 Received: from mout01.posteo.de ([185.67.36.65]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <tomasn@HIDDEN>) id 1sckwF-0003HC-0N for bug-gnu-emacs@HIDDEN; Sat, 10 Aug 2024 08:11:18 -0400 Received: from submission (posteo.de [185.67.36.169]) by mout01.posteo.de (Postfix) with ESMTPS id 9B88E240027 for <bug-gnu-emacs@HIDDEN>; Sat, 10 Aug 2024 14:11:09 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1723291869; bh=IXlxI6WYNnDwE5m9QkW/n0qyJpx950s08R4fCUI8V1A=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=WHjS2vixKVP/4eUGc03AaeeeCRU/XCeZHfFX0h/JGW3sriA/wsqJS9fstAVX6T/PZ pmk1BVfj6vCJaF2kZEJ09KP1lKmp5OR+fql6rykfdbwgQYiFbdPAGUttd2sH1vmYet aZ0PdGwRrGyxKOhuLitxQQrOVtWbQ6hQYms80BaXd/nEu6DX3xAZJmazb0iXyunZ03 9V6mtLMGkFSBzq19MeLi9CMj+ZTX9y2Tf1T17ePG1i21sSeRSBge772D7p3Gabcp/1 HkRMMNy+JEmoTaf/ILcyKP5nBGDRj8pO1Fc7jGRHQg31CRHh/7bSoFz/66qvF0lcy2 9JXufeP071qMQ== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4Wh04F0mwrz6tsB for <bug-gnu-emacs@HIDDEN>; Sat, 10 Aug 2024 14:11:08 +0200 (CEST) From: Tomas Nordin <tomasn@HIDDEN> To: bug-gnu-emacs@HIDDEN Subject: 29.1.90; vc-diff does not undo hunk in end of source file Date: Sat, 10 Aug 2024 12:11:08 +0000 Message-ID: <87ttfs60ir.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=185.67.36.65; envelope-from=tomasn@HIDDEN; helo=mout01.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.3 (-) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.3 (--) Hello Emacs I have got used to the diff-mode feature of undoing hunks. I have noticed that if the diff hunk is an addition in the end of the source file, I dont get the expected question if I want to undo the hunk. Instead, the hunk is applied again. My example is with a git repo, some edits made (and saved to disk) in a file, and hitting C-x v = to view the diff. Move to one of the hunks. One can now diff-apply-hunk to reverse the hunk. But if that hunk is the last thing in the source file, the hunk is applied (again). This is not what I expect. To reproduce: $ mkdir apply $ cd apply $ echo "first line of code" > example.file $ git init $ git add . $ git commit -m 'init' $ echo "last line of code" >> example.file $ emacs -Q example.file C-x v = n C-c C-a The hunk is applied in the source buffer. In GNU Emacs 29.1.90 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.38, cairo version 1.16.0) of 2023-11-18 built on fliptop2 Repository revision: d9e43f2197fa1d5ade1d483b15cc50c6d705b969 Repository branch: emacs-29 Windowing system distributor 'The X.Org Foundation', version 11.0.12101007 System Description: Debian GNU/Linux 12 (bookworm) Configured features: ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS WEBP X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB Important settings: value of $LC_MONETARY: sv_SE.UTF-8 value of $LC_NUMERIC: sv_SE.UTF-8 value of $LC_TIME: sv_SE.UTF-8 value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=ibus locale-coding-system: utf-8-unix Major mode: Fundamental Minor modes in effect: tooltip-mode: t global-eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t line-number-mode: t indent-tabs-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message mailcap yank-media puny dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068 epg-config gnus-util text-property-search mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils time-date subr-x smerge-mode diff vc vc-git diff-mode easy-mmode vc-dispatcher cl-loaddefs cl-lib rmc iso-transl tooltip cconv eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic indonesian philippine cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs theme-loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads dbusbind inotify lcms2 dynamic-setting system-font-setting font-render-setting cairo move-toolbar gtk x-toolkit xinput2 x multi-tty make-network-process emacs) Memory information: ((conses 16 44032 13907) (symbols 48 5959 0) (strings 32 16246 1269) (string-bytes 1 466537) (vectors 16 10894) (vector-slots 8 165303 14637) (floats 8 28 20) (intervals 56 226 0) (buffers 976 13))
Tomas Nordin <tomasn@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#72556; Package emacs.
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