> update
[success]

$ copy-file changes/scalacheck-ivy.xml ivy.xml
[success]

> update
[failure]

$ absent lib_managed/default/scalacheck-1.5.jar
[success]

$ copy-file changes/scala-tools-ivysettings.xml ivysettings.xml
[success]

> update
[success]

$ exists lib_managed/default/scalacheck-1.5.jar
[success]