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Re: [ELPA] new package: sndio.el

From: Omar Polo
Subject: Re: [ELPA] new package: sndio.el
Date: Sun, 14 Nov 2021 19:27:55 +0100
User-agent: mu4e 1.6.9; emacs 29.0.50

Philip Kaludercic <philipk@posteo.net> writes:

> Omar Polo <op@omarpolo.com> writes:
>> Hello,
>> Some time ago to scratch an itch I wrote sndio.el, a package to interact
>> with the OpenBSD' audio daemon sndiod(8).  Recently, I've enhanced it a
>> bit and added an hydra-like window for a quick interaction and thought
>> it may be useful to others, so here's the submission.  It should work
>> outside of OpenBSD too provided that you're running sndio and have
>> sndioctl(1), but I never tried.
> From what I see, if I were to download and run the package on a GNU
> System without sndio, there wouldn't be any clear error message
> indicating what went wrong, just an error message indicating that
> sndioctl has failed, right? (this is just from reading and using faulty
> mental evaluation). If the package is to be added to GNU ELPA, you
> should probably add a explicit error message (perhaps even at compile
> time) to clarify what is missing, and that the package isn't mean to
> work on this system.

Yes, as things are now if sndio-sndioctl-cmd is not found `sndio-update'
fails with a generic error due to process-file not finding the

Would something like this be a viable option?

--- sndio.el
+++ sndio.el
@@ -67,6 +67,8 @@
 (defun sndio-update ()
   "Update the current sndio buffer."
+  (unless (executable-find sndio-sndioctl-cmd)
+    (error "Can't find executable %s" sndio-sndioctl-cmd))
   (when (derived-mode-p 'sndio-mode)
     (let ((inhibit-read-only t))

(sndio-update is the first function called in both the entrypoints of
the package, so it seems a good place for such a check)

>> There's a small gif on the repo that shows sndio.el in action:
>>      https://git.omarpolo.com/sndio.el/about/
>> I was able to fetch and checkout the source in the elpa repository using
>> the attached diff.
> The source looks good, I can add it to GNU ELPA if there are no objections.
>> Thanks,
>> Omar Polo
>> diff --git a/elpa-packages b/elpa-packages
>> index efa53e3e40..2e21c9bffb 100644
>> --- a/elpa-packages
>> +++ b/elpa-packages
>> @@ -438,6 +438,7 @@
>>   ("smalltalk-mode"  :url nil) ;; Was "git://git.sv.gnu.org/smalltalk"
>>   ("smart-yank"              :url nil)
>>   ("sml-mode"                :url nil)
>> + ("sndio"           :url "https://git.omarpolo.com/sndio.el";)
>>   ("so-long"             :core "lisp/so-long.el")
>>   ("soap-client"             :core ("lisp/net/soap-client.el" 
>> "lisp/net/soap-inspect.el"))
>>   ("sokoban"         :url nil)

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