1. A method comprising: accessing, in a first computer system, an adaptation object associated with an application in a second computer system, the adaptation object comprising a software extension for the application; assigning the adaptation object to a collection of adaptation objects for export from the first computer system; selecting the collection for export from the first computer system; in response to the selecting, generating dependency data based on a reference, in the adaptation object, to at least one other adaptation object in the first computer system; performing checks on the adaptation object based on the dependency data; exporting the collection from the first computer system based on passing the checks; and failing at least one of the checks based on a determination that the referenced at least one other adaptation object in the first computer system is not part of the collection or has already been exported from the first computer system and has not been changed since last being exported from the first computer system.