Improvements to Windows basebox provisioning scripts

basebox/windows/openssh.ps1

@@ -12,5 +12,7 @@ Set-Service ssh-agent -StartupType Automatic
 Start-Service sshd
 Start-Service ssh-agent
 
+mkdir $env:userprofile\.ssh
+curl -o $env:userprofile\.ssh\authorized_keys https://raw.githubusercontent.com/hashicorp/vagrant/master/keys/vagrant.pub
 # put the public insecure vagrant key into C:\ProgramData\ssh\administrators_authorized_keys
-icacls.exe "C:\ProgramData\ssh\administrators_authorized_keys" /inheritance:r /grant "Administrators:F" /grant "SYSTEM:F"
+# icacls.exe "C:\ProgramData\ssh\administrators_authorized_keys" /inheritance:r /grant "Administrators:F" /grant "SYSTEM:F"

basebox/windows/powershell.ps1

-$package = "PowerShell-7.1.1-win-x64.msi"
+$version = "7.2.1"
+$package = "PowerShell-${version}-win-x64.msi"
 
 if (! (Test-Path "C:\Program Files\PowerShell\7")) {
 
-    [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072
-    (new-object net.webclient).DownloadFile(
-        "https://github.com/PowerShell/PowerShell/releases/download/v7.1.1/${package}",
-        "${package}")
+    curl -o ${package} "https://github.com/PowerShell/PowerShell/releases/download/v${version}/${package}"
 
     & .\${package} /quiet ADD_EXPLORER_CONTEXT_MENU_OPENPOWERSHELL=1 ENABLE_PSREMOTING=1 REGISTER_MANIFEST=1
-    Write-Host "Waiting for installation of PowerShell 7.1.1"
+    Write-Host "Waiting for installation of PowerShell ${version}"
 
     while (! (Test-Path "C:\Program Files\PowerShell\7")) {
         Write-Host "."
         Start-Sleep -Seconds 5
     }
 
-    Remove-Item "PowerShell-7.1.1-win-x64.msi"
-
+    Remove-Item $package
 }

basebox/windows/provision.ps1

@@ -46,7 +46,7 @@ if (!(Test-Path $ChocoInstallPath)) {
 
 cd $ChocoInstallPath
 
-$packages = ( "pstools" )
+$packages = ( "pstools", "sdelete" )
 
 .\chocolatey feature enable -n=allowGlobalConfirmation
 ForEach ( $p in $packages ) { .\choco install --no-progress -y $p }