feat: backupvolume can be pruned after upload

backup.sh

@@ -72,7 +72,7 @@ else
 fi
 
 if [[ \ $*\  != *\ --skip-backup\ * ]]; then
-    rm -rf "${backup_path}"
+	rm -rf "${backup_path}"
 
 	for service in "${services[@]}"; do
 		echo "service: $service"
@@ -122,5 +122,9 @@ fi
 
 if [[ \ $*\  != *\ --skip-upload\ * ]]; then
 	_restic backup --host "$server_name" --tag coop-cloud "$backup_path"
-fi
 
+	if [ "$REMOVE_BACKUP_VOLUME_AFTER_UPLOAD" -eq 1 ]; then
+		echo "Cleaning up ${backup_path}"
+		rm -rf "${backup_path}"
+	fi
+fi