build_manager.rb in fastlane-2.81.0.beta.20180206010002

- old
+ new

@@ -13,9 +13,17 @@
 
       options[:changelog] = self.class.truncate_changelog(options[:changelog]) if options[:changelog]
 
       UI.user_error!("No ipa file given") unless config[:ipa]
 
+      if options[:changelog].nil? and options[:distribute_external] == true
+        if UI.interactive?
+          options[:changelog] = UI.input("No changelog provided for new build. Please provide a changelog. You can also provide a changelog using the `changelog` option")
+        else
+          UI.user_error!("No changelog provided for new build. Please either disable `distribute_external` or provide a changelog using the `changelog` option")
+        end
+      end
+
       UI.success("Ready to upload new build to TestFlight (App: #{app.apple_id})...")
 
       dir = Dir.mktmpdir
 
       platform = fetch_app_platform