From: Eli Zaretskii <eliz@gnu.org>
To: "J.P." <jp@neverwas.me>
Cc: stefankangas@gmail.com, 60730@debbugs.gnu.org
Subject: bug#60730: 29.0.60; Free variable with :buffer keyword in ert-with-temp-file
Date: Sat, 28 Jan 2023 17:03:07 +0200 [thread overview]
Message-ID: <83edreaehg.fsf@gnu.org> (raw)
In-Reply-To: <874jsazqzz.fsf@neverwas.me> (jp@neverwas.me)
> Cc: Stefan Kangas <stefankangas@gmail.com>
> From: "J.P." <jp@neverwas.me>
> Date: Sat, 28 Jan 2023 06:13:36 -0800
>
> Perhaps I should have filed another report for this. It's a similar
> error in the same vicinity on the same branch, so I figured might as
> well piggyback.
>
> I'm getting "reference to free variable `utf-8'" warnings (from
> `elisp-flymake--batch-compile-for-flymake') when linting tests
> containing `ert-with-temp-file'. This doesn't show up if
> `coding-system-for-write' is nil or if you pass in a quoted keyword
> argument for `:coding'. Adding a quote like this seems to make it go
> away:
>
> diff --git a/lisp/emacs-lisp/ert-x.el b/lisp/emacs-lisp/ert-x.el
> index 98a017c8a8e..70b136c5c55 100644
> --- a/lisp/emacs-lisp/ert-x.el
> +++ b/lisp/emacs-lisp/ert-x.el
> @@ -484,7 +484,7 @@ ert-with-temp-file
> (suffix (or suffix ert-temp-file-suffix
> (ert--with-temp-file-generate-suffix
> (or (macroexp-file-name) buffer-file-name)))))
> - `(let* ((coding-system-for-write ,(or coding coding-system-for-write))
> + `(let* ((coding-system-for-write ',(or coding coding-system-for-write))
> (,temp-file (,(if directory 'file-name-as-directory 'identity)
> (make-temp-file ,prefix ,directory ,suffix ,text)))
> (,name ,(if directory
>
> Not sure if that's the right call, though. If this keyword is already
> seeing action in the wild, perhaps it's worth ensuring that its argument
> arrives unquoted? Or maybe another type check (to accompany the one for
> `name') would do?
Can you show the results of macro-expansion both when coding has a
value and when it is nil (and then coding-system-for-write is nil or
has a non-nil value)?
next prev parent reply other threads:[~2023-01-28 15:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-11 13:50 bug#60730: 29.0.60; Free variable with :buffer keyword in ert-with-temp-file J.P.
2023-01-13 1:56 ` Stefan Kangas
2023-01-28 14:13 ` J.P.
2023-01-28 15:03 ` Eli Zaretskii [this message]
2023-01-28 15:56 ` J.P.
2023-01-28 16:13 ` Eli Zaretskii
2023-01-29 2:00 ` J.P.
2023-01-29 4:35 ` J.P.
2023-01-29 6:38 ` Eli Zaretskii
2023-01-29 14:08 ` J.P.
2023-01-29 15:10 ` Eli Zaretskii
2023-01-29 16:18 ` J.P.
2023-01-29 6:28 ` Eli Zaretskii
2023-01-29 9:56 ` Andreas Schwab
2023-01-29 10:29 ` Eli Zaretskii
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