fix: return errors instead of calling os.Exit - #3378

fix: return errors instead of calling os.Exit#3378

junkerderprovinz wants to merge 2 commits into

opencloud-eu:mainopencloud-eu/opencloud:mainfrom

junkerderprovinz:fix-3352-return-errors-instead-of-exitjunkerderprovinz/opencloud-server:fix-3352-return-errors-instead-of-exitCopy head branch name to clipboard