Show info if backup archive does not exist

scripts/Windows/Scripts/Context.ps1

@@ -104,6 +104,15 @@ class Context {
     }
 
     [void] Restore([string]$archivePath, [string]$destinationPath) {
+        if (-not (Test-Path -PathType Leaf $archivePath)) {
+            Write-Information (
+                [string]::Join(
+                    "`n",
+                    @(
+                        "An archive at the specified path $archivePath does not exist.",
+                        "No restoration will be performed.")));
+        }
+        else {
             if (-not (Test-Path -PathType Container $destinationPath)) {
                 New-Item -ItemType Directory "$destinationPath";
             }
@@ -114,6 +123,7 @@ class Context {
                 -Wait `
                 -NoNewWindow;
         }
+    }
 
     [string] GetTempDirectory() {
         $tempDir = Join-Path $([System.IO.Path]::GetTempPath()) $([System.IO.Path]::GetRandomFileName());