update

scripts/lib.sh

@@ -1,6 +1,9 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+# Increment when package payload/installation semantics change without a source commit.
+PACKAGING_REVISION=2
+
 log() {
     printf '%s %s\n' "$(date -u '+%Y-%m-%dT%H:%M:%SZ')" "$*"
 }