cmd/protoc-gen-go-grpc: add --version flag support (#3921)
diff --git a/cmd/protoc-gen-go-grpc/main.go b/cmd/protoc-gen-go-grpc/main.go
index 40b8765..9ef889f 100644
--- a/cmd/protoc-gen-go-grpc/main.go
+++ b/cmd/protoc-gen-go-grpc/main.go
@@ -32,14 +32,24 @@
import (
"flag"
+ "fmt"
"google.golang.org/protobuf/compiler/protogen"
"google.golang.org/protobuf/types/pluginpb"
)
+const version = "1.0"
+
var requireUnimplemented *bool
func main() {
+ showVersion := flag.Bool("version", false, "print the version and exit")
+ flag.Parse()
+ if *showVersion {
+ fmt.Printf("protoc-gen-go-grpc %v\n", version)
+ return
+ }
+
var flags flag.FlagSet
requireUnimplemented = flags.Bool("require_unimplemented_servers", true, "set to false to match legacy behavior")
