Make sure you have the latest version of the Xcode command line tools installed:
xcode-select --installFor fastlane installation instructions, see Installing fastlane
[bundle exec] fastlane ios betaPush a new beta build to TestFlight
This README.md is auto-generated and will be re-generated every time fastlane is run.
More information about fastlane can be found on fastlane.tools.
The documentation of fastlane can be found on docs.fastlane.tools.