@@ -126,6 +126,25 @@ Function Check-InContainer() {

         Write-Host ""

         Write-Warning "Not running in a container. The result might be an incorrect build."

         Write-Host ""

+        return $False

+    }

+    return $True

+}

+

+# Utility function to warn if the version of go is correct. Used for local builds

+# outside of a container where it may be out of date with master.

+Function Verify-GoVersion() {

+    Try {

+        $goVersionDockerfile=(Get-Content ".\Dockerfile" | Select-String "ENV GO_VERSION").ToString().Split(" ")[2]

+        $goVersionInstalled=(go version).ToString().Split(" ")[2].SubString(2)

+    }

+    Catch [Exception] {

+        Throw "Failed to validate go version correctness: $_"

+    }

+    if (-not($goVersionInstalled -eq $goVersionDockerfile)) {

+        Write-Host ""

+        Write-Warning "Building with golang version $goVersionInstalled. You should update to $goVersionDockerfile"

+        Write-Host ""

     }

 }

@@ -337,7 +356,10 @@ Try {

     # Give a warning if we are not running in a container and are building binaries or running unit tests.

     # Not relevant for validation tests as these are fine to run outside of a container.

-    if ($Client -or $Daemon -or $TestUnit) { Check-InContainer }

+    if ($Client -or $Daemon -or $TestUnit) { $inContainer=Check-InContainer }

+

+    # If we are not in a container, validate the version of GO that is installed.

+    if (-not $inContainer) { Verify-GoVersion }

     # Verify GOPATH is set

     if ($env:GOPATH.Length -eq 0) { Throw "Missing GOPATH environment variable. See https://golang.org/doc/code.html#GOPATH" }