From: "M. Ian Graham" <hello@miangraham.com>
To: Tassilo Horn <thorn@fastmail.fm>
Cc: "55149@debbugs.gnu.org" <55149@debbugs.gnu.org>,
"monnier@iro.umontreal.ca" <monnier@iro.umontreal.ca>
Subject: bug#55149: 29.0.50; Commit f30625943e broke magit/with-editor
Date: Thu, 28 Apr 2022 06:56:19 +0000 [thread overview]
Message-ID: <wWP5hZNmph0OV54AULdMqeeiC56RV1gSnYNeUMkBisZfCIwuyd9S5h1sPgG7XqdOf3F4PFrTB2EHFSRrfLIwYYRjbyi-v76-nl3Ky1PZFhk=@miangraham.com> (raw)
In-Reply-To: <87o80lhg9b.fsf@fastmail.fm>
> Oh, well, the recipe can even be simplyfied to defining just a
> do-nothing advice!
Ah ha. Return value shenanigans. Here's a no-server test case.
--- begin elisp ---
(advice-add 'original :after
#'original--advice)
(defun original () "correct: original return value passes through")
(defun original--advice () "broken: advice function's return value is used")
(message (original))
--- end elisp ---
Output before f30625943e:
$ emacs -Q --script bug-recipe.el
correct: original return value passes through
Output after f30625943e:
$ emacs -Q --script bug-recipe.el
broken: advice function's return value is used
-Ian
next prev parent reply other threads:[~2022-04-28 6:56 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-28 5:15 bug#55161: 29.0.50; [PATCH] oclosure transcription error redux dick
2022-04-28 10:23 ` bug#55149: " Lars Ingebrigtsen
2022-04-27 12:48 ` bug#55149: 29.0.50; Commit f30625943e broke magit/with-editor Tassilo Horn
2022-04-27 19:41 ` No Wayman
2022-04-27 21:48 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-28 3:39 ` Tassilo Horn
2022-04-28 4:02 ` No Wayman
2022-04-28 6:58 ` Juri Linkov
2022-04-28 7:12 ` Tassilo Horn
2022-04-28 7:22 ` Juri Linkov
2022-04-28 7:31 ` Tassilo Horn
2022-04-28 13:39 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-28 14:14 ` Tassilo Horn
2022-04-28 14:28 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-28 14:39 ` Tassilo Horn
2022-04-28 2:06 ` bug#55149: (No Subject) M. Ian Graham
2022-04-28 4:06 ` bug#55149: 29.0.50; Commit f30625943e broke magit/with-editor M. Ian Graham
2022-04-28 4:47 ` Tassilo Horn
2022-04-28 6:12 ` M. Ian Graham
2022-04-28 6:28 ` Tassilo Horn
2022-04-28 6:56 ` M. Ian Graham [this message]
2022-04-28 13:50 ` bug#55149: bug#55161: 29.0.50; [PATCH] oclosure transcription error redux Rudolf Schlatte
2022-04-28 13:28 ` dick
2022-04-28 13:42 ` bug#55149: " Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-28 15:26 ` bug#55161: bug#55149: 29.0.50; Commit f30625943e broke magit/with-editor Jonas Bernoulli
2022-04-28 16:32 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-28 22:49 ` Jonas Bernoulli
2022-04-28 23:44 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
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