On 17 November 2013 21:55,  <commits at source.squeak.org> wrote:
> Frank Shearar uploaded a new version of Installer-Core to project The Trunk:
> http://source.squeak.org/trunk/Installer-Core-fbs.385.mcz
>
> ==================== Summary ====================
>
> Name: Installer-Core-fbs.385
> Author: fbs
> Time: 17 November 2013, 9:54:59.988 pm
> UUID: 363eee87-69f1-664a-857c-0ba322add113
> Ancestors: Installer-Core-cmm.384
>
> I think this is a serious misuse of DNU, but this method is, in fact, used: the #isThisEverCalled: pops up a self halt which breaks Metacello.
>
> While we should rewrite this to _not_ need the DNU, we need the #isThisEverCalled: removed.
>
> =============== Diff against Installer-Core-cmm.384 ===============
>
> Item was changed:
>   ----- Method: Installer class>>doesNotUnderstand: (in category 'custom names') -----
>   doesNotUnderstand: aMessage
> - self isThisEverCalled: 'What is this?'.
>         ^ self remembered at: aMessage selector ifAbsent: [ super doesNotUnderstand: aMessage ]!

https://travis-ci.org/dalehenrich/builderCI/jobs/14078795#L112 and
https://github.com/dalehenrich/builderCI/issues/55 shows the context
for this workaround.

frank