computer-playbook/roles/independent_backup-to-swappable/files/backup-to-swappable.sh

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2023-04-26 22:12:40 +02:00
#! /bin/sh
backup_to_swappable_destination_path="$1" &&
echo "backup to swappable destination path: $backup_to_swappable_destination_path" &&
source_path="$2" &&
echo "source path: $source_path" || exit 1
if [ ! -d "$backup_to_swappable_destination_path" ]; then
echo "Directory $backup_to_swappable_destination_path does not exist" &&
exit 1
fi
machine_id="$(sha256sum /etc/machine-id | head -c 64 )" &&
echo "machine id: $machine_id" &&
versions_path="$backup_to_swappable_destination_path$machine_id/backup-to-swappable/" &&
echo "versions path: $versions_path" || exit 1
if [ ! -d "$versions_path" ]; then
echo "Creating $versions_path..." &&
mkdir -vp $versions_path || exit 1
fi
previous_version_path="$(ls -d $versions_path* | tail -1)" &&
echo "previous versions path: $previous_version_path" &&
current_version_path="$versions_path$(date '+%Y%m%d%H%M%S')" &&
echo "current versions path: $current_version_path" &&
echo "creating backup destination folder..." &&
mkdir -vp "$current_version_path" &&
echo "Starting syncronization..."
rsync -abP --delete --delete-excluded --link-dest="$previous_version_path" "$source_path" "$current_version_path" &&
echo "Syncronization finished." || exit 1