Doesn't sound like a bad idea. One concern though, might be to see how
different e.g. XML-Parser is in trunk from whichever canonical repo hangs
onto it. Push things that may have changed with it in the trunk upstream,
then unload it.

Getting to a smaller core system is worth doing!

On Sat, Feb 9, 2013 at 3:51 PM, Frank Shearar <frank.shearar at gmail.com>wrote:

> In the interests of revisiting Pavel Krivanek's work, and a long term
> goal of this community, I thought I'd use the Dependency Browser and
> dig out interpackage dependencies.
>
> By scraping the DependencyBrowser's contents together with a bit of UI
> scripting I've constructed a dotfile of Trunk (attached). Turning this
> into a PNG results in an 11MB image! [1] Nodes near the top are nodes
> that aren't used by many things.
>
> For instance, ReleaseBuilder's right at the top because nothing depends on
> it.
>
> One thing to note is that XML-Parser and Nebraska are only used by
> Universes, and that Universes isn't used by anything else.
>
> It occurs to me that we could thus remove these 3 packages from trunk
> and add the loading of these to ReleaseBuilderFor4dot5 [2], and still
> end up with a 4.5 that while apparently unchanged, actually has a
> smaller core.
>
> What do you think of trying this out as an experiment? How would we
> unload these packages? (I should note: I've nothing against these
> packages. They're just packages that aren't woven into the guts of the
> image, and are thus easily removable.)
>
> frank
>
> [1] If you have dot installed, `dot -Tpng -o trunk-deps.dot
> trunk-deps.png` will do the trick.
> [2] Installer squeak
>         package: 'trunk';
>         install: '39Deprecated-ar.19';
>         install: '311Deprecated-nice.2';
>         install: 'XML-Parser-ael.35';
>         install: 'Nebraska-ul.35';
>         install: 'Universes-nice.45'.
>
>
>
>


-- 
Casey Ransberger
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