Download latest GitHub release via Powershell

download-latest-release.ps1

# Download latest release of Katalon Studio Runtime Engine from github with fallback version.
# Includes output for Azure DevOps pipeline tasks
$FALLBACK_VERSION = "7.7.1"
$repo = "katalon-studio/katalon-studio"
$filePrefix = "Katalon_Studio_Engine_Windows_64-"
$fileVersion = ""
$fileSuffix = ".zip"


$releases = "https://api.github.com/repos/$repo/releases"

try {
    Write-Host Determining latest release that is not a release candidate

    $fileVersion = Invoke-WebRequest $releases | ConvertFrom-Json | Where-Object {$_.tag_name.split(".").length -lt 4} | Select-Object -First 1 | Select-Object -ExpandProperty tag_name | Foreach-object {$_ -replace 'v',''}
    
    if ($fileVersion.length -le 0) {
        Write-Host  "##vso[task.LogIssue type=warning;]Using hard-coded version number '7.7.1'. Unable to determine version from GitHub: $releases"
        $fileVersion = $FALLBACK_VERSION
    }
    
    $filename = $filePrefix+$fileVersion+$fileSuffix
    
    #https://github.com/katalon-studio/katalon-studio/releases/download/v7.7.1/Katalon_Studio_Engine_Windows_64-7.7.1.zip
    $download = "https://github.com/$repo/releases/download/v$fileVersion/$filename"
    
    Write-Host Dowloading latest release
    Invoke-WebRequest $download -Out $filename
    
    write-host "Download complete"
} catch {
    Write-host $_.Exception.Message
    Write-host $_.Exception.StackTrace
    Write-Host  "##vso[task.LogIssue type=error;]Error downloading KRE."
} finally {
    write-host "Leaving download-kre.ps1"
}