Specify the "g" in gRPC

build.yaml

@@ -7,6 +7,7 @@ settings:
   '#3': Use "-preN" suffixes to identify pre-release versions
   '#4': Per-language overrides are possible with (eg) ruby_version tag here
   '#5': See the expand_version.py for all the quirks here
+  g_stands_for: good
   version: 1.1.0-dev
 filegroups:
 - name: census

include/grpc/grpc.h

@@ -90,6 +90,9 @@ GRPCAPI void grpc_shutdown(void);
 /** Return a string representing the current version of grpc */
 GRPCAPI const char *grpc_version_string(void);
 
+/** Return a string specifying what the 'g' in gRPC stands for */
+GRPCAPI const char *grpc_g_stands_for(void);
+
 /** Create a completion queue */
 GRPCAPI grpc_completion_queue *grpc_completion_queue_create(void *reserved);
 

src/core/lib/channel/http_client_filter.c

@@ -233,8 +233,9 @@ static grpc_mdstr *user_agent_from_args(const grpc_channel_args *args,
     }
   }
 
-  gpr_asprintf(&tmp, "%sgrpc-c/%s (%s; %s)", is_first ? "" : " ",
-               grpc_version_string(), GPR_PLATFORM_STRING, transport_name);
+  gpr_asprintf(&tmp, "%sgrpc-c/%s (%s; %s; %s)", is_first ? "" : " ",
+               grpc_version_string(), GPR_PLATFORM_STRING, transport_name,
+               grpc_g_stands_for());
   is_first = 0;
   gpr_strvec_add(&v, tmp);
 

src/core/lib/surface/version.c

@@ -37,3 +37,5 @@
 #include <grpc/grpc.h>
 
 const char *grpc_version_string(void) { return "1.1.0-dev"; }
+
+const char *grpc_g_stands_for(void) { return "good"; }

templates/src/core/lib/surface/version.c.template

@@ -32,10 +32,12 @@
    * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    */
-  
+
   /* This file is autogenerated from:
      templates/src/core/surface/version.c.template */
-  
+
   #include <grpc/grpc.h>
-  
+
   const char *grpc_version_string(void) { return "${settings.core_version}"; }
+
+  const char *grpc_g_stands_for(void) { return "${settings.g_stands_for}"; }