GIT Collection configurations are stored in the git configurations directory:
<instance directory>/configurations/git/catalogue.json
catalogue.json contains the GIT URLS for all of the GIT Collections added to the Iguana instance. By default you will see the built-in iNTERFACEWARE Collections.
{ "https://bitbucket.org/interfaceware/hl7components.git": {}, "https://bitbucket.org/interfaceware/interfaceware-core.git": {} }