Set TLS 1.2 when downloading nuget.exe

Author: Tratcher

build.cmd

@@ -3,7 +3,7 @@ cd %~dp0
 
 IF EXIST .nuget\NuGet.exe goto part2
 echo Downloading latest version of NuGet.exe...
-@powershell -NoProfile -ExecutionPolicy unrestricted -Command "((new-object net.webclient).DownloadFile('https://dist.nuget.org/win-x86-commandline/latest/nuget.exe', '.nuget\NuGet.exe'))"
+@powershell -NoProfile -ExecutionPolicy unrestricted -Command ".\build\downloadnuget.ps1"
 
 :part2
 set EnableNuGetPackageRestore=true

build/downloadnuget.ps1

@@ -0,0 +1,13 @@
+Set-PSDebug -Trace 1
+[System.Net.ServicePointManager]::SecurityProtocol
+[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::TLS12
+[System.Net.ServicePointManager]::SecurityProtocol
+try
+{
+  $client = New-Object System.Net.WebClient
+  $client.DownloadFile('https://dist.nuget.org/win-x86-commandline/latest/nuget.exe', '.nuget\NuGet.exe')
+}
+catch [System.Exception]
+{
+  $Error[0].Exception.ToString()
+}