in sg/internal/policy/rego.go [12:22]
func regoCompilerKey(packages []Package, _ []RegoCompilerOptions) string {
packageIDs := make([]string, 0, len(packages))
for _, p := range packages {
packageIDs = append(packageIDs, p.QualifiedID())
}
sort.Strings(packageIDs)
k := xxhash.Checksum64([]byte(strings.Join(packageIDs, ",")))
return fmt.Sprint(k)
}