cmd/protoc-gen-go-grpc: add --version flag support (#3921)

grpc · Oct 2, 2020 · 8fbea72 · 8fbea72
1 parent d9063e7
commit 8fbea72
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/cmd/protoc-gen-go-grpc/main.go b/cmd/protoc-gen-go-grpc/main.go
@@ -32,14 +32,24 @@ package main
 
 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")