+function Rotate-Backups($backupDir) {
+ if($configRotate -le 0) {
+ return
+ }
+
+ $keepBackupsCount = $configRotate
+
+ Get-ChildItem $backupDir -File | Where-Object {($_.Name -match "^backup-.+-\d{8,}-\d{6}\.sql$")} | Sort-Object -Descending |
+ Foreach-Object {
+ if($keepBackupsCount -ge 0) {
+ $keepBackupsCount--
+ }
+
+ if($keepBackupsCount -eq -1) {
+ Write-Output "Deleting backup $($_.FullName)"
+ Remove-Item -Force $_.FullName
+ }
+ }
+}
+
+$currDaytime = Get-Date -format "yyyyMMdd-HHmmss"
+
+$databases = Get-Databases | Where-Object {!($_ -in $defaultExclusions -or $_ -in $configDbExclusions)}
+
+$databasesToBackup = @()
+
+if($configDbBackup -and $configDbBackup.count -gt 0) {
+ $databasesToBackup = $configDbBackup
+}
+else {
+ $databasesToBackup = $databases
+}
+
+foreach($d in $databasesToBackup) {
+ $databaseBackupDir = Join-Path -Path $configBackupDir -ChildPath $d
+
+ if(!(Test-Path $databaseBackupDir)) {
+ New-Item -ItemType directory -Path $databaseBackupDir -ErrorAction Stop | Out-Null
+ }