worked poc

scripts/build-routeros.sh

@@ -25,6 +25,10 @@ OUT="build/routeros-suricata-tzsp-${ARCH}.tar"
 SHA="${OUT}.sha256"
 mkdir -p build
 
+# podman save with the docker-archive transport refuses to modify an
+# existing archive. Remove artifacts from a previous build before exporting.
+rm -f "$OUT" "$SHA"
+
 if [ -n "${ENGINE:-}" ]; then
   engine="$ENGINE"
 elif command -v podman >/dev/null 2>&1; then