I try to integrate hub with upsource, in authentication section can't add SSH key when I select subversion, but also try with git and its ok.
here is what i've done:
1- create new project in Hub
2-add upsource service
Hub version 2018.1 Build 2018.1.9217 [18-04-2018 18:19]
Upsource version Build 2017.3.2888