SaveConfig will only perform write operations if the file is nonexistent or contains different values.

ConfigStruct originally from github.com/fergusstrange/[email protected]/config.go.

CacheLocator retrieves the location of the Postgres binary cache returning it to location.

RemoteFetchStrategy provides a strategy to fetch a Postgres binary so that it is available for use.

VersionStrategy provides a strategy that can be used to determine which version of Postgres should be used based on the operating system, architecture and desired Postgres version.