Use an early return in handle_get_info_refs

main.go

@@ -149,8 +149,12 @@ func do_auth_request(r *http.Request) (result *http.Response, err error) {
 
 func handle_get_info_refs(gl_id string, _ string, path string, w http.ResponseWriter, r *http.Request) {
 	rpc := r.URL.Query().Get("service")
-	switch rpc {
-	case "git-upload-pack", "git-receive-pack":
+	if !(rpc == "git-upload-pack" || rpc == "git-receive-pack") {
+		// The 'dumb' Git HTTP protocol is not supported
+		http.Error(w, "Not Found", 404)
+		return
+	}
+
 	// Prepare our Git subprocess
 	cmd := exec.Command("git", sub_command(rpc), "--stateless-rpc", "--advertise-refs", path)
 	set_cmd_env(cmd, gl_id)
@@ -181,11 +185,6 @@ func handle_get_info_refs(gl_id string, _ string, path string, w http.ResponseWr
 	if err := cmd.Wait(); err != nil {
 		panic(err)
 	}
-	case "":
-		// The 'dumb' Git HTTP protocol is not supported
-		http.Error(w, "Not Found", 404)
-		return
-	}
 }
 
 func sub_command(rpc string) string {