Public/Update-VcMdtApplication.ps1

function Update-VcMdtApplication {
    <#
        .EXTERNALHELP VcRedist-help.xml
    #>

    [CmdletBinding(SupportsShouldProcess = $True, HelpURI = "https://vcredist.com/update-vcmdtapplication/")]
    [OutputType([System.Management.Automation.PSObject])]
    param (
        [Parameter(Mandatory = $True, Position = 0, ValueFromPipeline)]
        [ValidateNotNull()]
        [System.Management.Automation.PSObject] $VcList,

        [Parameter(Mandatory = $True, Position = 1)]
        [ValidateScript( { if (Test-Path -Path $_ -PathType 'Container' -ErrorAction "SilentlyContinue") { $True } else { throw "Cannot find path $_" } })]
        [System.String] $Path,

        [Parameter(Mandatory = $True)]
        [ValidateScript( { if (Test-Path -Path $_ -PathType 'Container' -ErrorAction "SilentlyContinue") { $True } else { throw "Cannot find path $_" } })]
        [System.String] $MdtPath,

        [Parameter(Mandatory = $False)]
        [ValidatePattern('^[a-zA-Z0-9]+$')]
        [ValidateNotNullOrEmpty()]
        [System.String] $AppFolder = "VcRedists",

        [Parameter(Mandatory = $False)]
        [System.Management.Automation.SwitchParameter] $Silent,

        [Parameter(Mandatory = $False, Position = 2)]
        [ValidatePattern('^[a-zA-Z0-9]+$')]
        [System.String] $MdtDrive = "DS099",

        [Parameter(Mandatory = $False, Position = 3)]
        [ValidatePattern('^[a-zA-Z0-9]+$')]
        [System.String] $Publisher = "Microsoft"
    )

    begin {
        # If running on PowerShell Core, error and exit.
        if (Test-PSCore) {
            Write-Warning -Message "$($MyInvocation.MyCommand): PowerShell Core doesn't support PSSnapins. We can't load the MicrosoftDeploymentToolkit module."
            throw [System.Management.Automation.InvalidPowerShellStateException]
        }

        # Import the MDT module and create a PS drive to MdtPath
        if (Import-MdtModule) {
            if ($PSCmdlet.ShouldProcess($MdtPath, "Mapping")) {
                try {
                    New-MdtDrive -Drive $MdtDrive -Path $MdtPath -ErrorAction "SilentlyContinue" > $Null
                    Restore-MDTPersistentDrive -Force > $Null
                }
                catch [System.Exception] {
                    Write-Warning -Message "$($MyInvocation.MyCommand): Failed to map drive to [$MdtPath]."
                    throw $_
                }
            }
        }
        else {
            Write-Warning -Message "$($MyInvocation.MyCommand): Failed to import the MDT PowerShell module. Please install the MDT Workbench and try again."
            throw [System.Management.Automation.InvalidPowerShellStateException]
        }

        $Target = "$($MdtDrive):\Applications\$AppFolder"
        Write-Verbose -Message "$($MyInvocation.MyCommand): Update applications in: $Target"
    }

    process {
        if (Test-Path -Path $Target -ErrorAction "SilentlyContinue") {
            foreach ($VcRedist in $VcList) {

                # Get the existing VcRedist applications in the MDT share
                try {
                    $params = @{
                        Path        = $Target
                        ErrorAction = "SilentlyContinue"
                    }
                    $ExistingVcRedist = Get-ChildItem @params | Where-Object { $_.ShortName -match "$($VcRedist.Release) $($VcRedist.Architecture)" }
                }
                catch [System.Exception] {
                    throw $_
                }

                if ($Null -ne $ExistingVcRedist) {
                    try {
                        Write-Verbose -Message "$($MyInvocation.MyCommand): Found application: [$($ExistingVcRedist.ShortName)]."

                        # Determine whether update is required
                        $Update = $False
                        if ($ExistingVcRedist.UninstallKey -ne $VcRedist.ProductCode) { $Update = $True }
                        if ([System.Version]$ExistingVcRedist.Version -lt [System.Version]$VcRedist.Version) { $Update = $True }
                        if ($ExistingVcRedist.CommandLine -ne ".\$(Split-Path -Path $VcRedist.Download -Leaf) $(if ($Silent.IsPresent) { $VcRedist.SilentInstall } else { $VcRedist.Install })") { $Update = $True }
                        if ($Update -eq $True) {

                            # Copy the updated executable
                            try {
                                Write-Verbose -Message "$($MyInvocation.MyCommand): Copy VcRedist installer."
                                $folder = [System.IO.Path]::Combine((Resolve-Path -Path $Path), $VcRedist.Release, $VcRedist.Version, $VcRedist.Architecture)
                                $ContentLocation = [System.IO.Path]::Combine((Resolve-Path -Path $MdtPath), "Applications", "$Publisher VcRedist", $VcRedist.Release, $VcRedist.Version, $VcRedist.Architecture)
                                $params = @{
                                    FilePath     = "$env:SystemRoot\System32\robocopy.exe"
                                    ArgumentList = "*.exe `"$folder`" `"$ContentLocation`" /S /XJ /R:1 /W:1 /NP /NJH /NJS /NFL /NDL"
                                }
                                $result = Invoke-Process @params
                            }
                            catch {
                                $ExeTarget = Join-Path -Path $ContentLocation -ChildPath $(Split-Path -Path $VcRedist.Download -Leaf)
                                if (Test-Path -Path $ExeTarget -ErrorAction "SilentlyContinue") {
                                    Write-Verbose -Message "$($MyInvocation.MyCommand): Copy successful: [$ExeTarget]."
                                }
                                else {
                                    Write-Warning -Message "$($MyInvocation.MyCommand): Failed to copy Redistributables from [$folder] to [$ContentLocation]."
                                    Write-Warning -Message "$($MyInvocation.MyCommand): Captured error (if any): [$result]."
                                    throw $_
                                }
                            }

                            # Check the existing command line on the application and update
                            if ($PSCmdlet.ShouldProcess($ExistingVcRedist.PSPath, "Update CommandLine")) {
                                try {
                                    Write-Verbose -Message "$($MyInvocation.MyCommand): Updating CommandLine."
                                    $params = @{
                                        Path  = (Join-Path -Path $Target -ChildPath $ExistingVcRedist.Name)
                                        Name  = "CommandLine"
                                        Value = ".\$(Split-Path -Path $VcRedist.Download -Leaf) $(if ($Silent.IsPresent) { $VcRedist.SilentInstall } else { $VcRedist.Install })"
                                    }
                                    Set-ItemProperty @params > $Null
                                }
                                catch [System.Exception] {
                                    throw $_
                                }
                            }

                            # Update ProductCode
                            if ($PSCmdlet.ShouldProcess($ExistingVcRedist.PSPath, "Update UninstallKey")) {
                                try {
                                    Write-Verbose -Message "$($MyInvocation.MyCommand): Updating UninstallKey."
                                    $sipParams = @{
                                        Path  = (Join-Path -Path $Target -ChildPath $ExistingVcRedist.Name)
                                        Name  = "UninstallKey"
                                        Value = $VcRedist.ProductCode
                                    }
                                    Set-ItemProperty @sipParams > $Null
                                }
                                catch [System.Exception] {
                                    throw $_
                                }
                            }

                            # Update Version number
                            if ($PSCmdlet.ShouldProcess($ExistingVcRedist.PSPath, "Update Version")) {
                                try {
                                    Write-Verbose -Message "$($MyInvocation.MyCommand): Updating version number."
                                    $sipParams = @{
                                        Path  = (Join-Path -Path $Target -ChildPath $ExistingVcRedist.Name)
                                        Name  = "Version"
                                        Value = $VcRedist.Version
                                    }
                                    Set-ItemProperty @sipParams > $Null
                                }
                                catch [System.Exception] {
                                    throw $_
                                }
                            }

                            if ($PSCmdlet.ShouldProcess($ExistingVcRedist.PSPath, "Update Source")) {
                                try {
                                    Write-Verbose -Message "$($MyInvocation.MyCommand): Updating source directory."
                                    $sipParams = @{
                                        Path  = (Join-Path -Path $Target -ChildPath $ExistingVcRedist.Name)
                                        Name  = "Source"
                                        Value = $ExistingVcRedist.Source -replace "(\d+(\.\d+){1,4})", $VcRedist.Version
                                    }
                                    Set-ItemProperty @sipParams > $Null
                                }
                                catch [System.Exception] {
                                    throw $_
                                }
                            }

                            if ($PSCmdlet.ShouldProcess($ExistingVcRedist.PSPath, "Update WorkingDirectory")) {
                                try {
                                    Write-Verbose -Message "$($MyInvocation.MyCommand): Updating working directory."
                                    $sipParams = @{
                                        Path  = (Join-Path -Path $Target -ChildPath $ExistingVcRedist.Name)
                                        Name  = "WorkingDirectory"
                                        Value = $ExistingVcRedist.WorkingDirectory -replace "(\d+(\.\d+){1,4})", $VcRedist.Version
                                    }
                                    Set-ItemProperty @sipParams > $Null
                                }
                                catch [System.Exception] {
                                    throw $_
                                }
                            }

                            if ($PSCmdlet.ShouldProcess($ExistingVcRedist.PSPath, "Update Name")) {
                                try {
                                    Write-Verbose -Message "$($MyInvocation.MyCommand): Updating name."
                                    $sipParams = @{
                                        Path  = (Join-Path -Path $Target -ChildPath $ExistingVcRedist.Name)
                                        Name  = "Name"
                                        Value = $ExistingVcRedist.Name -replace "(\d+(\.\d+){1,4})", $VcRedist.Version
                                    }
                                    Set-ItemProperty @sipParams > $Null
                                }
                                catch [System.Exception] {
                                    throw $_
                                }
                            }
                        }
                    }
                    catch [System.Exception] {
                        throw $_
                    }
                }
            }
        }
        else {
            Write-Warning -Message "$($MyInvocation.MyCommand): Failed to find path $Target."
        }
    }

    end {
        if (Test-Path -Path $Target -ErrorAction "SilentlyContinue") {

            # Get the imported Visual C++ Redistributables applications to return on the pipeline
            Write-Verbose -Message "$($MyInvocation.MyCommand): Getting Visual C++ Redistributables from the deployment share"
            Write-Output -InputObject (Get-ChildItem -Path $Target | Where-Object { $_.Name -like "*Visual C++*" | Select-Object -Property * })
        }
        else {
            Write-Warning -Message "$($MyInvocation.MyCommand): Failed to find path $Target."
        }
    }
}