CleanupContext does partial shutdown of context.

InitContext initializes context with default settings.

ListPackagesRefList shows list of packages in PackageRefList.

LookupOption checks boolean flag with default (usually config) and command-line setting.

PrintPackageList shows package list with specified format or default representation.

RootCommand creates root command in command tree.

Run runs single command starting from root cmd with args, optionally initializing context.

ShutdownContext shuts context down.