From 5168b35c67cf078fa241bf68778ae416ef7fddf7 Mon Sep 17 00:00:00 2001
From: Francisco-Gamino <frangom@microsoft.com>
Date: Fri, 17 Jun 2022 19:40:30 -0700
Subject: [PATCH] Install the required version of grpc tools if needed

---
 tools/helper.psm1 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/helper.psm1 b/tools/helper.psm1
index cfd8b98e..2d967241 100644
--- a/tools/helper.psm1
+++ b/tools/helper.psm1
@@ -119,7 +119,8 @@ function Resolve-ProtoBufToolPath
         $nugetPath = Get-NugetPackagesPath
         $toolsPath = "$RepoRoot/tools"
 
-        if (-not (Test-Path "$toolsPath/obj/project.assets.json")) {
+        if (-not (Test-Path "$toolsPath/obj/project.assets.json") -or
+            -not (Test-Path "$nugetPath/grpc.tools/$GrpcToolsVersion")) {
             dotnet restore $toolsPath --verbosity quiet
             if ($LASTEXITCODE -ne 0) {
                 throw "Cannot resolve protobuf tools. 'dotnet restore $toolsPath' failed."