Allow Ruby client code to set a user agent

9 years ago · 3080ede82c
parent 3386d78e27
commit 3080ede82c
1 changed files with 6 additions and 1 deletions
--- a/src/ruby/lib/grpc/generic/client_stub.rb
+++ b/src/ruby/lib/grpc/generic/client_stub.rb
@ -49,7 +49,12 @@ module GRPC
        fail(TypeError, '!Channel') unless alt_chan.is_a?(Core::Channel)
        return alt_chan
      end
-      kw['grpc.primary_user_agent'] = "grpc-ruby/#{VERSION}"
+      if kw['grpc.primary_user_agent'].nil?
+        kw['grpc.primary_user_agent'] = ''
+      else
+        kw['grpc.primary_user_agent'] += ' '
+      end
+      kw['grpc.primary_user_agent'] += "grpc-ruby/#{VERSION}"
      unless creds.is_a?(Core::ChannelCredentials) || creds.is_a?(Symbol)
        fail(TypeError, '!ChannelCredentials or Symbol')
      end