Module.Template 2.0.4 Update

CI/InstallPowerShell.ps1

@@ -0,0 +1,26 @@
+<#
+    .SYNOPSIS
+    Installs PowerShell Core on Windows.
+#>
+[CmdLetBinding()]
+Param
+(
+    # Version to install in the format from the .msi, for example "7.0.0-preview.1"
+    [Parameter(Mandatory)]
+    [String]$Version
+)
+$ErrorActionPreference = 'Stop'
+
+'[Progress] Downloading PowerShell Core.'
+$MsiPath = Join-Path $env:TEMP "PowerShell-$Version-win-x64.msi"
+[System.Net.WebClient]::new().DownloadFile("https://github.com/PowerShell/PowerShell/releases/download/v$Version/PowerShell-$Version-win-x64.msi", $MsiPath)
+
+'[Progress] Installing PowerShell Core.'
+Start-Process 'msiexec.exe' -Wait -ArgumentList "/i $MsiPath /quiet"
+Remove-Item -Path $MsiPath
+$PowerShellFolder = $Version[0]
+if ($Version -like "*preview*") {
+    $PowerShellFolder += '-preview'
+}
+$env:Path = "$env:ProgramFiles\PowerShell\$PowerShellFolder;$env:Path"
+'[Progress] PowerShell Core Installed.'