Add scripts for backing up osu!

scripts/Windows/Software/osu!/Manage.ps1

@@ -5,10 +5,45 @@ param(
 
 . "$PSScriptRoot/../../../Common/Scripts/Software.ps1";
 
-Start-SoftwareInstaller @PSBoundParameters `
-    -Installer {
-        Install-ChocoPackage osu;
-        Remove-DesktopIcon "*osu*";
-    };
+$null = New-Module {
+    param($Parameters)
+    . "$PSScriptRoot/../../Scripts/Restoration.ps1";
+    Export-ModuleMember -Function @();
 
-# ToDo: Add restoration
+    <#
+        .SYNOPSIS
+        Gets the path to the installation directory of osu!.
+    #>
+    function Get-InstallPath {
+        return "$((Get-KnownFolder -SpecialFolder ProgramFilesX86).Path)/osu!";
+    }
+
+    Start-SoftwareInstaller @Parameters `
+        -Installer {
+            Install-ChocoPackage osu;
+            Remove-DesktopIcon "*osu*";
+        } `
+        -Backup {
+            Add-BackupArtifacts -Source (Get-InstallPath) -Path "osu!" `
+                -Include @(
+                    "Screenshots",
+                    "Skins",
+                    "Songs",
+                    "osu!.cfg",
+                    "scores.db"
+                );
+        } `
+        -Configurator {
+            Expand-BackupArtifacts -Path "osu!" -Target (Get-InstallPath);
+        } `
+        -UserBackup {
+            param([hashtable] $Arguments)
+            $name = $Arguments.Name;
+            Add-BackupArtifacts -Source "$(Get-InstallPath)/osu!.$name.cfg" -User $name -Path "osu!/osu!.cfg";
+        } `
+        -UserConfigurator {
+            param([hashtable] $Arguments)
+            $name = $Arguments.Name;
+            Expand-BackupArtifacts -User $name -Path "osu!/osu!.cfg" -Target "$(Get-InstallPath)/osu!.$name.cfg";
+        };
+} $PSBoundParameters;

scripts/Windows/Software/osu!lazer/Manage.ps1

@@ -3,13 +3,30 @@ param(
     [hashtable] $Arguments
 )
 
-. "$PSScriptRoot/../../../Common/Scripts/Software.ps1";
-. "$PSScriptRoot/../../../Common/Scripts/System.ps1";
+& {
+    param($Parameters)
+    . "$PSScriptRoot/../../Scripts/Restoration.ps1";
+    . "$PSScriptRoot/../../../Common/Scripts/Software.ps1";
+    . "$PSScriptRoot/../../../Common/Scripts/System.ps1";
+    $path = "$env:AppData/osu";
 
-Start-SoftwareInstaller @PSBoundParameters `
-    -UserConfigurator {
-        Install-WingetPackage "ppy.osu";
-        Remove-DesktopIcon "*osu*";
-    };
-
-# ToDo: Add restoration
+    Start-SoftwareInstaller @Parameters `
+        -UserBackup {
+            param([hashtable] $Arguments)
+            Add-BackupArtifacts -User $Arguments.Name -Source $path -Path "osu!lazer" `
+                -Include @(
+                    "files",
+                    "rulesets",
+                    "screenshots",
+                    "framework.ini",
+                    "game.ini",
+                    "input.json"
+                );
+        } `
+        -UserConfigurator {
+            param([hashtable] $Arguments)
+            Install-WingetPackage "ppy.osu" -ArgumentList "--scope","user";
+            Remove-DesktopIcon "*osu*";
+            Expand-BackupArtifacts -User $Arguments.Name -Path "osu!lazer" -Target $path;
+        };
+} $PSBoundParameters;