Fastlane with different brands

.env

# General ENV stuff used for all environments (brands)
WORKSPACE=YouApp.xcworkspace

.env.brand1

# Loaded from `fastlane <lane> --env brand2`
SCHEME=Brand1
CONFIG=Release
BUNDLE_ID=com.brand.one

HOCKEY_APP_ID=something_something

.env.brand2

# Loaded from `fastlane <lane> --env brand2`
SCHEME=Brand2
CONFIG=Release
BUNDLE_ID=com.brand.two

HOCKEY_APP_ID=something_something

Fastfile

lane :beta do
    
    # Will load CONFIG and SCHEME from .env.<brand>
    ipa({
        workspace: ENV['WORKSPACE'],
        configuration: ENV['CONFIG'],
        scheme: ENV['SCHEME'],
      })
      
      # Will load HOCKEYAPP_API_TOKEN from .env.<brand>
     hockey({
        api_token: ENV['HOCKEYAPP_API_TOKEN'],
        ipa: Actions.lane_context[ Actions::SharedValues::IPA_OUTPUT_PATH ],
        dsym: Actions.lane_context[ Actions::SharedValues::DSYM_OUTPUT_PATH ],
        notify: 0
      })
      
end