If these "snap" files are distributed with Squid, then the configuration file should probably be dynamically derived/computed from squid.conf.default. Statically copying the default once means the copy will become stale/inconsistent with what Squid provides.
If these "snap" files are distributed with Squid, then the configuration file should probably be dynamically derived/computed from squid.conf.default. Statically copying the default once means the copy will become stale/inconsistent with what Squid provides.