Get-QGIS.ps1

# Get latest download URI for LTR and latest version of QGIS
# parses the website configuration from github, not scraping the html so should be a bit more reliable

$uri =  "https://raw.githubusercontent.com/qgis/QGIS-Website/master/source/schedule.py"

$Content = (Invoke-WebRequest -UseBasicParsing -Uri $uri).Content

try {
    $StringData = [RegEx]::Matches($Content, ".*=.*") 
    $Details = $StringData -Replace ("'", "") | ConvertFrom-StringData
}
catch {
    Throw "Failed to extract the version information from downloaded file."
}

$downloadltr = "https://qgis.org/downloads/QGIS-OSGeo4W-$($Details.ltrrelease)-$($Details.ltrbinary).msi"
$downloadlatest = "https://qgis.org/downloads/QGIS-OSGeo4W-$($Details.release)-$($Details.msibinary).msi"