Re: Release 2.5.0

Anatoly,

It's not so simple to automatically do the right thing as the cachedir
could be holding many variants, some of which aren't built frequently.

That said, I think it's worth developing some functionality to enable
purging the cachedir based on rules either default, or specified by the
user.
(Though likely this is a post 3.0 release item)

-Bill

On Thu, May 5, 2016 at 10:00 AM, anatoly techtonik <[email protected]>
wrote:

> On Wed, Mar 2, 2016 at 7:01 PM, Bill Deegan <bill-cJFiu+DHMVC5azolltMz9laTQe2KTcn/@public.gmane.org>
> 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.
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