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# PowerShell script to update Advanced Installer to the latest version

# Define the URL where updates.ini for Advanced Installer is located
$updatesIniUrl = "https://www.advancedinstaller.com/downloads/updates.ini"

# Attempt to download updates.ini content
$response = Invoke-WebRequest -Uri $updatesIniUrl -UseBasicParsing

# Attempt to convert the content assuming it's ASCII or UTF8 encoded text
$updatesIni = [System.Text.Encoding]::UTF8.GetString($response.Content)

# Initialize variables for latest version and download URL
$latestVersion = $null
$downloadUrl = $null

# Extract the latest version information (assuming the first entry is the latest)
if ($updatesIni -match 'ProductVersion\s*=\s*([^\r\n]+)') {
    $latestVersion = $matches[1].Trim()
}

if ($updatesIni -match 'URL\s*=\s*([^\r\n]+)') {
    $downloadUrl = $matches[1].Trim()
}

# Check if we successfully retrieved version and URL
if ($null -eq $latestVersion -or $null -eq $downloadUrl) {
    Write-Output "Failed to retrieve the latest Advanced Installer version information."
    exit
}

# Define the registry path where Advanced Installer's version is stored
$registryPath = "HKLM:\SOFTWARE\WOW6432Node\Caphyon\Advanced Installer"
$currentVersion = (Get-ItemProperty -Path $registryPath -ErrorAction SilentlyContinue).Version

# Output the current and latest versions
Write-Output "Current version of Advanced Installer: $currentVersion"
Write-Output "Latest available version of Advanced Installer: $latestVersion"

# Compare the current version with the latest version
if ($currentVersion -eq $latestVersion) {
    Write-Output "Advanced Installer is already up to date."
} elseif ($null -eq $currentVersion) {
    Write-Output "Advanced Installer is not installed."
} else {
    Write-Output "A newer version of Advanced Installer is available."

    # Define the path where the installer will be downloaded
    $directoryPath = "C:\Temp\Advanced Installer v. $latestVersion"
    New-Item -ItemType Directory -Force -Path $directoryPath

    # Define the path where the installer will be downloaded
    $downloadPath = "$directoryPath\advinst_latest.msi"

    # Download the latest version of Advanced Installer
    Invoke-WebRequest -Uri $downloadUrl -OutFile $downloadPath -UseBasicParsing

    # Install the new version silently without forcing the system to restart
    Start-Process "msiexec.exe" -ArgumentList "/i `"$downloadPath`" /qn /norestart" -Wait -NoNewWindow

    # Optionally, remove the downloaded installer to free up space
    Remove-Item -Path $downloadPath

    # Display a confirmation message
    Write-Output "Advanced Installer has been updated to the latest version."
}

Code: Select all

setup.msi AI_UPGRADE="Yes" /qn