in lib/google/serverless/exec.rb [652:667]
def version_info service, version
service ||= "default"
version ||= latest_version service
result = Exec::Gcloud.execute \
[
"app", "versions", "describe", version,
"--project", @project,
"--service", service,
"--format", "json"
],
capture: true, assert: false
result.strip!
raise NoSuchVersion.new(service, version) if result.empty?
::JSON.parse result
end