My guess would be that nobody has ever actually unloaded it ;-) But it's nice to know that it can be done.

Dave


On Thu, Aug 02, 2012 at 06:11:28PM -0700, Dale Henrichs wrote:
> I admit that I haven't tested the #unloadMetacello method recently as that test would wreak havoc with my test environment, but then I haven't gotten any bug reports on #unloadmetacello either:)
> 
> However, I will add an #unloadMetacello test to travisCI to ensure that it functions as advertised moving forward.
> 
> Dale
> ----- Original Message -----
> | From: "David T. Lewis" <lewis at mail.msen.com>
> | To: "The general-purpose Squeak developers list" <squeak-dev at lists.squeakfoundation.org>
> | Sent: Thursday, August 2, 2012 5:00:35 PM
> | Subject: Re: [squeak-dev] Metacello and Squeak4.4
> | 
> | +1 from me too.
> | 
> | This looks like a light weight addition with benefit for anyone
> | wanting
> | to use Metacello, and no harm otherwise.
> | 
> | I have not tried unloading Metacello-Base, but it has no dependencies
> | so
> | it should not be a problem. There is an #unloadMetacello method in
> | the base
> | package that presumably performs as advertised.
> | 
> | Dave
> | 
> | On Fri, Aug 03, 2012 at 01:05:24AM +0200, Levente Uzonyi wrote:
> | > +1 from me if it loads/unloads cleanly (i'm pretty sure it does,
> | > but it's
> | > always better to check it out).
> | > 
> | > 
> | > Levente
> | > 
> | > On Thu, 2 Aug 2012, Dale Henrichs wrote:
> | > 
> | > >I have a small 3 class package (Metacello-Base[1]) that I would
> | > >hope could
> | > >be included in the Squeak4.4 release.
> | > >
> | > >Of the 3 classes, the Metacello class is a stub class for the
> | > >Metacello
> | > >Scripting Api[2], that will bootstrap Metacello _if_ you use the
> | > >scripting
> | > >api. I am promoting the scripting api as the cross platform way to
> | > >use
> | > >Metacello. Instead of seeing install scripts fly by that look like
> | > >this:
> | > >
> | > > Gofer new
> | > >   package: 'ConfigurationOfSeaside30';
> | > >   squeaksource: 'MetacelloRepository';
> | > >   load.
> | > > ((Smalltalk at: #ConfigurationOfSeaside30) version: #stable)
> | > > load.
> | > >
> | > >(with the caveat that Installer should be used for Squeak)...the
> | > >install
> | > >scripts will look like this:
> | > >
> | > > Metacello new
> | > >   configuration: 'Seaside30';
> | > >   version: #stable;
> | > >   squeaksource: 'MetacelloRepository';
> | > >   load.
> | > >
> | > >The same script will "do the right thing" on all three supported
> | > >platforms
> | > >(Squeak, Pharo, GemStone), presuming that the class Metacello is
> | > >present
> | > >in the base images:)
> | > >
> | > >I've recently released a preview version[4] and am actively
> | > >collecting
> | > >feedback. I would think that I can finalize the visible portion of
> | > >the
> | > >scripting api by September...
> | > >
> | > >I've been ensuring that the metacello preview release is
> | > >functional on
> | > >Squeak all along and I am currently running CI builds against
> | > >Squeak4.3
> | > >using travis ci[5]. Moving forward I would add Squeak4.4 to the
> | > >list of
> | > >platforms for CI and publish updates to the Metacello-Base pacakge
> | > >as
> | > >needed.
> | > >
> | > >The class comments for each of the classes provides basic
> | > >documentation
> | > >for using Metacello so I think that Metacello-Base is a clean and
> | > >small
> | > >presence for Metacello and will enable the use of "cross-platform
> | > >install
> | > >scripts for Metacello."
> | > >
> | > >Thanks,
> | > >
> | > >Dale
> | > >
> | > >[1]
> | > >http://seaside.gemstone.com/ss/metacello/Metacello-Base-dkh.96.mcz
> | > >[2]
> | > >https://github.com/dalehenrich/metacello-work/blob/master/docs/MetacelloUserGuide.md
> | > >[4]
> | > >http://forum.world.st/Metacello-Preview-release-1-0-beta-32-2-tt4642064.html
> | > >[5]
> | > >http://travis-ci.org/#!/dalehenrich/metacello-work/builds/2012331
> | > >
> | > >
> | 
> |