Hi Marius,

On 6/22/20 10:16 PM, Marius Bakke wrote:
> Giacomo Leidi <goodoldpaul@autistici.org> writes:
>
>> * gnu/packages/syncthing.scm (syncthing-gtk): New variable.
> [...]
>    
>> +    (build-system python-build-system)
>> +    (arguments
>> +     `(#:python ,python-2))
>> +    (propagated-inputs
>> +     `(("python2-bcrypt" ,python2-bcrypt)
>> +       ("python2-dateutil" ,python2-dateutil)
>> +       ("python2-pycairo" ,python2-pycairo)
>> +       ("python2-pygobject" ,python2-pygobject)
>> +       ("python-nautilus" ,python-nautilus)
>> +       ("libappindicator" ,libappindicator)
>> +       ("libnotify" ,libnotify)
>> +       ("psmisc" ,psmisc)
>> +       ("syncthing" ,syncthing)))
> I don't think these needs to be propagated, as the 'syncthing-gtk'
> executable will be automatically wrapped with a PYTHONPATH that contains
> the Python inputs.
I didn't know that, I really should study deeper the build systems.
> I'm not sure about libappindicator, libnotify and psmisc though.
> Ideally we'd insert absolute references where appropriate to avoid
> propagation.  In the worst case we can wrap it with those in PATH.
>
> Can you look into it and send an updated patch?

As you suggested I managed to move all propagated-inputs to the inputs 
field, I'm not sure I did it right but from my tests the package seem to 
be working.

I'm attaching an updated version of the patch, I apologize for the delay.

Giacomo