Bert Freudenberg uploaded a new version of Installer-Core to project The Trunk:
http://source.squeak.org/trunk/Installer-Core-bf.358.mcz

==================== Summary ====================

Name: Installer-Core-bf.358
Author: bf
Time: 9 June 2012, 12:03:02.797 pm
UUID: d8cd680d-1c7c-41e0-836b-19bb34529c42
Ancestors: Installer-Core-bf.357

Clean packages after installing. Avoids installing packages multiple times when re-using the same Installer instance.

=============== Diff against Installer-Core-bf.357 ===============

Item was changed:
  ----- Method: Installer>>installLogging (in category 'public interface') -----
  installLogging
  
+ 	self logErrorDuring: [
+ 		self basicInstall.
+ 		packages := nil].
+ !
- 	self logErrorDuring: [self basicInstall]!