updates to make better use of restic-scripts

scripts/backup.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+set -e
+
+if [ -z "$BACKUP_DIR" ]; then
+  echo "Error: BACKUP_DIR is not set."
+  exit 1
+fi
+
+if [ -z "$RESTIC_REPOSITORY" ]; then
+  echo "Error: RESTIC_REPOSITORY is not set."
+  exit 1
+fi
+
+if [ -z "$RESTIC_PASSWORD" ]; then
+  echo "Error: RESTIC_PASSWORD is not set."
+  exit 1
+fi
+
+python -m restic.backup --project zigbee-stack --services mqtt,z2m "$@"
+
+SCRIPT_DIR=$(readlink -f $(dirname "${BASH_SOURCE[0]}"))
+
+$SCRIPT_DIR/prune_backups.sh