Tracking "requested variants" and ways to "get rid of" outdated ones

[Daniel J. Luke]

> On Feb 19, 2015, at 8:17 AM, Clemens Lang <cal at macports.org> wrote:
> ----- On 19 Feb, 2015, at 12:18, Mojca Miklavec mojca at macports.org wrote:
>> I like variants. But I believe that many of us are often bitten by the
>> inability to "get rid of" outdated variants without manual
>> intervention.
> 
> Fully agree. We should have an additional field in the registry database
> that contains "requested variants" in addition to the currently implemented
> variants field. Only requested variants should be taken into account during
> upgrades.

or we could avoid default variants (and maybe go back to having +no_foo variants for the corner cases where someone wants to build with less functionality if necessary).

--
Daniel J. Luke                                                                   
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