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#!/usr/bin/env bash
set -euo pipefail
# shellcheck source=/dev/null
source "${CREDENTIALS_DIRECTORY}/{{ backup_name }}-backup.env"
export RESTIC_REPOSITORY="${BACKUP_REPO}"
export RESTIC_PASSWORD="${BACKUP_PASSWORD}"
export AWS_ACCESS_KEY_ID="${BACKUP_ACCESS_KEY_ID}"
export AWS_SECRET_ACCESS_KEY="${BACKUP_SECRET_ACCESS_KEY}"
CACHE_DIR="/var/cache/{{ backup_name }}-backup"
restic --cache-dir "$CACHE_DIR" snapshots &>/dev/null || restic --cache-dir "$CACHE_DIR" init
restic --cache-dir "$CACHE_DIR" backup {{ backup_paths | map('quote') | join(' ') }}
restic --cache-dir "$CACHE_DIR" forget \
--keep-daily {{ backup_retention_daily }} \
--keep-weekly {{ backup_retention_weekly }} \
--keep-monthly {{ backup_retention_monthly }} \
--prune
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