windows-modules: Enable specification of the ITK_PACKAGE_VERSION

Author: thewtex

scripts/windows-download-cache-and-build-module-wheels.ps1

@@ -1,8 +1,9 @@
 trap { Write-Error $_; Exit 1 }
 
-set-alias sz "$env:ProgramFiles\7-Zip\7z.exe"  
+set-alias sz "$env:ProgramFiles\7-Zip\7z.exe"
 iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/scikit-build/scikit-ci-addons/master/windows/install-python.ps1'))
-Invoke-WebRequest -Uri "https://github.com/InsightSoftwareConsortium/ITKPythonBuilds/releases/download/v5.0a01/ITKPythonBuilds-windows.zip" -OutFile "ITKPythonBuilds-windows.zip"
+if (-not (Test-Path env:ITK_PACKAGE_VERSION)) { $env:ITK_PACKAGE_VERSION = 'v5.0a01' }
+Invoke-WebRequest -Uri "https://github.com/InsightSoftwareConsortium/ITKPythonBuilds/releases/download/$env:ITK_PACKAGE_VERSION/ITKPythonBuilds-windows.zip" -OutFile "ITKPythonBuilds-windows.zip"
 sz x ITKPythonBuilds-windows.zip -oC:\P -aoa -r
 Invoke-WebRequest -Uri "http://ftp.stack.nl/pub/users/dimitri/doxygen-1.8.11.windows.bin.zip" -OutFile "doxygen-1.8.11.windows.bin.zip"
 sz x doxygen-1.8.11.windows.bin.zip -oC:\P\doxygen -aoa -r