Re: Failed to autoload read-substitute-urls in (guix scripts discover)

[Philip McGrath]

On Fri, Jun 23, 2023, at 2:50 AM, Vagrant Cascadian wrote:
> On 2023-06-23, Philip McGrath wrote:
>> On Thu, Jun 22, 2023, at 12:44 PM, Vagrant Cascadian wrote:
>>> On 2023-06-21, Philip McGrath wrote:
>>>> On Fri, Jun 9, 2023, at 2:43 PM, Vagrant Cascadian wrote:
>>>>> On 2023-06-07, Philip McGrath wrote:
>>>> I forgot earlier that I had used `sudo systemctl edit
>>>> guix-daemon.service` to add `--discover` to the command line for
>>>> `/usr/bin/guix-daemon` on the broken machine, but not on the working
>>>> machine. Removing that option got things working again!
>>>
>>>> I think there is actually a Debian bug, though, because it looks like
>>>> the Debian package really doesn't have code for the module `(guix
>>>> scripts discover)`, and running with `--discover` ought to be
>>>> supported. Vagrant, I haven't come up with a minimum reproducible
>>>> example yet, but I can open a report now if you like, or feel free to
>>>> do it yourself.
>>>
>>> Yes, please file a bug at bugs.debian.org ... if this bug has been fixed
>>> in newer commits on upstream guix, that would be helpful information! :)
>>>
>>
>> Reported as https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038916
>
> Well, that got me looking in the right place!
>
> guile-avahi is not packaged for Debian and somewhere along the way was
> added as a dependency for guix, presumably for this (and possibly other)
> feature(s).
>
> At least, that is my working theory :)
>

On the Guix side, it seems like either guile-avahi should be a mandatory 
dependency or guix-daemon should fail much more gracefully without it.