Add winget script and launcher

scripts/winget.ps1

@@ -0,0 +1,54 @@
+#Requires -Version 3.0
+if (Test-Path Env:\DEBUG) {
+  Set-PSDebug -Trace 1
+}
+$Host.UI.RawUI.WindowTitle = "WizardKit: Winget wrapper"
+$Host.UI.RawUI.BackgroundColor = "black"
+$Host.UI.RawUI.ForegroundColor = "white"
+
+
+## Functions ##
+function Abort {
+  Write-Host -ForegroundColor "Red" "`nAborted."
+  WKPause "Press Enter to exit..."
+  exit
+}
+function WKPause ($Message = "Press Enter to continue... ") {
+  Write-Host $Message -NoNewLine
+  Read-Host
+}
+
+## PowerShell equivalent of Python's "if __name__ == '__main__'"
+# Code based on StackOverflow comments
+# Question:     https://stackoverflow.com/q/4693947
+# Using answer: https://stackoverflow.com/a/5582692
+# Asked by:     https://stackoverflow.com/users/65164/mark-mascolino
+# Answer by:    https://stackoverflow.com/users/696808/bacon-bits
+if ($MyInvocation.InvocationName -ne ".") {
+  Clear-Host
+
+  # Check for winget and install if missing
+  Write-Host "WizardKit: winget wrapper`n`n`n`n`nInitializing..."
+  try {
+    $_ = $(winget --version)
+  }
+  catch {
+    Write-Host ("  ERROR: Failed to run winget." ) -ForegroundColor "Red"
+    Write-Host "  Installing winget..."
+    Add-AppxPackage -RegisterByFamilyName -MainPackage Microsoft.DesktopAppInstaller_8wekyb3d8bbwe
+  }
+  try {
+    $_ = $(winget --version)
+  }
+  catch {
+    Write-Host ("  ERROR: Failed to run or install winget." ) -ForegroundColor "Red"
+    Abort
+  }
+
+  # List available upgrades
+  Start-Process -FilePath "winget" -ArgumentList @("upgrade") -NoNewWindow -Wait
+  WKPause "`nPress Enter to install listed applications... "
+
+  # Install upgrades
+  Start-Process -FilePath "winget" -ArgumentList @("upgrade", "--all") -NoNewWindow -Wait
+}

scripts/wk/cfg/launchers.py

@@ -22,6 +22,12 @@ LAUNCHERS = {
       'L_ARGS': 'update',
       'Extra Code': ['explorer ms-windows-store:updates'],
       },
+    '2b) Winget Updates  (EXPERIMENTAL)': {
+      'L_TYPE': 'PSScript',
+      'L_PATH': 'Scripts',
+      'L_ITEM': 'winget.ps1',
+      'L_ELEV': 'True',
+      },
     '3) Snappy Driver Installer Origin': {
       'L_TYPE': 'PyScript',
       'L_PATH': 'Scripts',