Restore detailed backup mail reports with bounded local delivery

install.sh

@@ -18,9 +18,9 @@ done
 [[ $NO_TIMER != true || $ENABLE_TIMER != true ]] || exit 1
 # Syntax and packaging errors must be caught BEFORE changing the running installation.
 for file in "$ROOT_DIR"/usr-local-sbin/*.sh "$ROOT_DIR/lib/common.sh"; do bash -n "$file"; done
-python3 - "$ROOT_DIR/lib/backup_set.py" <<'PY'
+python3 - "$ROOT_DIR/lib/backup_set.py" "$ROOT_DIR/lib/report.py" <<'PY'
 import ast,sys
-ast.parse(open(sys.argv[1]).read())
+for path in sys.argv[1:]: ast.parse(open(path).read())
 PY
 LOCKFILE=/run/app-backup.lock
 if [[ -f /etc/app-backup/app-backup.conf ]]; then
@@ -52,6 +52,7 @@ add usr-local-sbin/app-restore.sh /usr/local/sbin/app-restore.sh 750
 add lib/common.sh /usr/local/lib/app-backup/common.sh 640
 add lib/locking.sh /usr/local/lib/app-backup/locking.sh 640
 add lib/backup_set.py /usr/local/lib/app-backup/backup_set.py 640
+add lib/report.py /usr/local/lib/app-backup/report.py 640
 add systemd/app-backup.service /etc/systemd/system/app-backup.service 644
 # Preserve existing schedules. The new timer template remains available as .dist.
 if [[ -e /etc/systemd/system/app-backup.timer ]]; then