Chris Muller uploaded a new version of Monticello to project The Trunk: http://source.squeak.org/trunk/Monticello-cmm.587.mcz
==================== Summary ====================
Name: Monticello-cmm.587 Author: cmm Time: 1 March 2014, 3:41:19.021 pm UUID: aecfb56d-4a43-4f30-81e5-049eb2dfc5d4 Ancestors: Monticello-cmm.586
Warn when about to serialize an empty mcz.
=============== Diff against Monticello-cmm.586 ===============
Item was changed: ----- Method: MCMczWriter>>serializeDefinitions: (in category 'serializing') ----- serializeDefinitions: aCollection + aCollection ifEmpty: [ Warning signal: 'About to serialize an empty package.']. ^String streamContents: [:aStream | | writer | writer := self snapshotWriterClass on: aStream. writer writeDefinitions: aCollection]!