setup 2.885 release candidate - please test

[Jon Turney]

On 30/01/2018 20:18, Jon Turney wrote:
> On 29/01/2018 19:19, Achim Gratz wrote:
>> Jon Turney writes:
[...]>>> - The "prereq" page showing dependencies which will be added is
>>> replaced by "problems" page showing problems found by the dependency
>>> solver, with default solutions.
>>> - A "confirm" page is added showing all the changes which will be made.
>>
>> I've not actually commenced the installation yet due to other things I
>> want to fix first, so I can't say whether these two pages work.  I guess
>> I should not see them with my normal install script.  The interesting
>> part would be if they are skipped when non-interactive mode is given and
>> there was something to add due to dependencies?
> 
> These should be added (and default solutions applied where the solver 
> identified problems) in non-interactive mode.

It seems I missed the part to add default problem solutions in 
non-interactive mode.

>>> - Add support for 'depends2: package (relation version) [...]', in a
>>> version section in setup.ini
>>
>> Those lines don't seem to get generated for all packages yet.  I
>> currently merge with requires: to produce a working setup.ini re-write
>> and will switch to using requires: when I find no depends2:.  Can I
>> assume that all versions have a depends2: line when I find one for
>> [curr]?
> 
> Yes, with the proviso that empty depends2: lines are currently 
> suppressed (this might be a mistake)

Yeah, suppressing these is definitely a mistake, as we need to indicate 
(in a small number of cases) a package version which has no depends: 
when other versions do have them.

Unfortunately, fixing that reveals that the setup parser doesn't 
currently permit an empty requires: or depends: list (which I guess 
explains why they have been suppressed historically)