Check PS Version when importing Az.Storage which using Azure.Core

Author: erich-wang

tools/AzureRM.Example.psm1

@@ -34,6 +34,8 @@ if (%ISAZMODULE% -and ($PSEdition -eq 'Desktop'))
     Test-DotNet
 }
 
+%AZURECOREPREREQUISITE%
+
 if (Test-Path -Path "$PSScriptRoot\StartupScripts" -ErrorAction Ignore)
 {
     Get-ChildItem "$PSScriptRoot\StartupScripts" -ErrorAction Stop | ForEach-Object {
@@ -60,7 +62,7 @@ if($PSEdition -eq 'Desktop' -and (Test-Path $preloadPath -ErrorAction Ignore))
                 Add-Type -Path $_.FullName -ErrorAction Ignore | Out-Null
             }
             catch {
-                Write-Warning $_
+                Write-Verbose $_
             }
         }
     }
@@ -83,7 +85,7 @@ if($PSEdition -eq 'Core' -and (Test-Path $netCorePath -ErrorAction Ignore))
                     Add-Type -Path $_.FullName -ErrorAction Ignore | Out-Null
                 }
                 catch {
-                    Write-Warning $_
+                    Write-Verbose $_
                 }
             }
         }

tools/UpdateModules.ps1

@@ -95,6 +95,24 @@ function New-ModulePsm1 {
         $template = $template -replace "%DATE%", [string](Get-Date)
         $template = $template -replace "%IMPORTED-DEPENDENCIES%", $importedModules
 
+        #Az.Storage is using Azure.Core, so need to check PS version
+        if ($IsNetcore -and $file.BaseName -eq 'Az.Storage')
+        {
+            $template = $template -replace "%AZURECOREPREREQUISITE%", 
+@"
+if (%ISAZMODULE% -and (`$PSEdition -eq 'Core'))
+{
+    if (`$PSVersionTable.PSVersion -lt [Version]'6.2.4')
+    {
+        throw "Az.Storage doesn't support PowerShell Core versions lower than 6.2.4. Please upgrade to PowerShell Core 6.2.4 or higher."
+    }
+}
+"@
+        }
+        else
+        {
+            $template = $template -replace "%AZURECOREPREREQUISITE%", ""
+        }
         # Replace Az or AzureRM with correct information
         if ($IsNetcore)
         {