Mark flag as experimental

Author: aarongable

cmd/protoc-gen-go-grpc/main.go

@@ -56,7 +56,7 @@ func main() {
 
 	var flags flag.FlagSet
 	requireUnimplemented = flags.Bool("require_unimplemented_servers", true, "set to false to match legacy behavior")
-	useGenericStreams = flags.Bool("use_generic_streams", false, "set to true to use generic types for streaming client and server objects")
+	useGenericStreams = flags.Bool("use_generic_streams_experimental", false, "set to true to use generic types for streaming client and server objects; this flag is EXPERIMENTAL and may be changed or removed in a future release")
 
 	protogen.Options{
 		ParamFunc: flags.Set,

cmd/protoc-gen-go-grpc/protoc-gen-go-grpc_test.sh

@@ -30,7 +30,7 @@ popd
 
 protoc \
     --go-grpc_out="${TEMPDIR}" \
-    --go-grpc_opt=paths=source_relative,use_generic_streams=true \
+    --go-grpc_opt=paths=source_relative,use_generic_streams_experimental=true \
     "examples/route_guide/routeguide/route_guide.proto"
 
 GOLDENFILE="examples/route_guide/routeguide/route_guide_grpc.pb.go"

regenerate.sh

@@ -93,7 +93,7 @@ Mgrpc/testing/empty.proto=google.golang.org/grpc/interop/grpc_testing
 
 for src in ${SOURCES[@]}; do
   echo "protoc ${src}"
-  protoc --go_out=${OPTS}:${WORKDIR}/out --go-grpc_out=${OPTS},use_generic_streams=true:${WORKDIR}/out \
+  protoc --go_out=${OPTS}:${WORKDIR}/out --go-grpc_out=${OPTS},use_generic_streams_experimental=true:${WORKDIR}/out \
     -I"." \
     -I${WORKDIR}/grpc-proto \
     -I${WORKDIR}/googleapis \