bug#41116: Guix deploy fails with new version of Herd

["Ludovic Courtès" <ludo@gnu.org>]

Hi,

Marius Bakke <mbakke@fastmail.com> skribis:

> Diego Nicola Barbato <dnbarbato@posteo.de> writes:

[...]

>>> I’ve reverted the patch in 5aa4d2dcf2f4f8786358feb45338893ed08a4cd9.
>>>
>>> Diego: I guess we can reinstate the patch “later”, once Shepherd 0.8 can
>>> be considered widespread.
>>
>> I'm sorry I broke reconfigure and deploy.  I didn't consider testing
>> upgrading from before Shepherd 0.8 to after my change and I didn't even
>> think of deploy.  Going forth I'll leave messing with core functionality
>> to the pros.
>
> Mistakes happen, don't worry about it.

Yup!  Plus, the person who reviewed the patch, undoubtedly an equally
nice person, didn’t notice the issue either.  :-)

> One thing that would be really useful and can prevent such situations in
> the future is to have a "system test" that tries to run reconfigure from
> the latest released version of Guix (currently 1.1.0).
>
> There are already a few Shepherd tests in gnu/tests/base.scm and
> gnu/tests/reconfigure.scm that can be used as inspiration.

Yes.

I was also wondering if it would make sense for services to somehow
state the major+minor version they’re targeting.

Ludo’.