[Scons-dev] Release 2.5.0

[anatoly techtonik]

On Wed, Mar 2, 2016 at 7:01 PM, Bill Deegan <bill at baddogconsulting.com> wrote:
> Anatoly,
>
> Why would they be rebuilding the cache?
> The contents are the same, it's simply the directory structure which
> changes.
>
> Most users use the cachedir because building the contents thereof is
> "expensive".
> Preserving what they've build when we're re-organizing the storage makes a
> lot of sense.
>
> If they're just going to wipe out their old cache none of this hurts them.
>
> So to put it simply, there will be a migration script provided.
> The method listed by Tom looks good to me.


I expect that cache needs to be cleaned once in a while. If target binary, such
as the one for godot engine is 20Mb, then after 100 builds the wasted space
will be 2Gb.

How SCons helps to keep cache clean of outdates files? I think that migration
script should go somewhere close.