Add a backup script for Visual Studio

scripts/Windows/Software/VisualStudio/Manage.ps1

@@ -6,8 +6,10 @@ param(
 & {
     param($parameters)
 
+    . "$PSScriptRoot/../../Scripts/Restoration.ps1";
     . "$PSScriptRoot/../../../Common/Scripts/BrowserAutomation.ps1";
     . "$PSScriptRoot/../../../Common/Scripts/Software.ps1";
+    . "$PSScriptRoot/../../../Common/Scripts/SoftwareManagement.ps1";
     . "$PSScriptRoot/../../../Common/Scripts/System.ps1";
 
     [System.Tuple[string, string, string][]] $versions = @(
@@ -17,18 +19,64 @@ param(
         [System.Tuple]::Create("visualstudio2022community", "VisualStudio.17.Release", "Microsoft.VisualStudio.Product.Community")
     );
 
+    <#
+        .SYNOPSIS
+        Gets the path to the Visual Studio Installer.
+    #>
+    function Get-InstallerPath {
+        return "$((Get-KnownFolder ProgramFilesX86).Path)/Microsoft Visual Studio/Installer/vs_installer.exe";
+    }
+
+    <#
+        .SYNOPSIS
+        Gets the path to the configuration file in the backup archive.
+
+        .PARAMETER PackageName
+        The name of the package to get the configuration for.
+    #>
+    function Get-ConfigPath {
+        param(
+            [string] $PackageName
+        )
+
+        return Join-Path "Visual Studio" "$PackageName.vsconfig";
+    }
+
     Start-SoftwareInstaller @parameters `
+        -Backup {
+            foreach ($version in $versions) {
+                if (Test-ChocoPackage $version[0]) {
+                    Write-Host "Backing up ``$($version[0])…";
+                    $configFile = New-TemporaryFile;
+
+                    Start-Process -FilePath (Get-InstallerPath) -Wait `
+                        -ArgumentList @(
+                            "export",
+                            "--channelId", $version[1],
+                            "--productId", $version[2],
+                            "--config", $configFile,
+                            "--quiet"
+                        );
+
+                    Add-BackupArtifacts -Source $configFile -Path (Get-ConfigPath $version[0]);
+                    Remove-Item $configFile;
+                }
+            }
+        } `
         -Installer {
             foreach ($version in $versions) {
                 $packageName = $version[0];
-                Write-Host "Installing ``$packageName``…";
+                $file = New-TemporaryFile;
-                Install-ChocoPackage $packageName;
+                Remove-Item $file;
+                Expand-BackupArtifacts -Path (Get-ConfigPath $packageName) -Target $file;
+
+                if (Test-Path $file) {
+                    Write-Host "Restoring ``$packageName``…";
+                    Install-ChocoPackage $packageName -ArgumentList "--params","--config `"$file`"";
+                }
             }
 
             Remove-DesktopIcon "CocosCreator*";
             Remove-DesktopIcon "Unity Hub*";
         };
-
-    # ToDo: Add restoration
-    # Only restore version if it has been backed up
 } $PSBoundParameters;