Private/Get-OldSnapshots.ps1
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function Get-OldSnapshot { <# .SYNOPSIS Internal helper to recursively find the oldest snapshot. #> param($SnapshotTree) $oldest = $null foreach ($snap in $SnapshotTree) { if (-not $oldest -or $snap.CreateTime -lt $oldest.CreateTime) { $oldest = $snap } if ($snap.ChildSnapshotList) { $childOldest = Get-OldSnapshot -SnapshotTree $snap.ChildSnapshotList if ($childOldest -and (-not $oldest -or $childOldest.CreateTime -lt $oldest.CreateTime)) { $oldest = $childOldest } } } return $oldest } |