DirFromModule populates the given directory (which must exist and be empty) with the contents of the module at the given source address.

LoadConfigForTests is a convenience wrapper around configload.NewLoaderForTests, ModuleInstaller.InstallModules and configload.Loader.LoadConfig that allows a test configuration to be loaded in a single step.

MustLoadConfigForTests is a variant of LoadConfigForTests which calls t.Fatal (or similar) if there are any errors during loading, and thus does not return diagnostics at all.

ModuleInstallHooksImpl is a do-nothing implementation of InstallHooks that can be embedded in another implementation struct to allow only partial implementation of the interface.

ModuleInstallHooks is an interface used to provide notifications about the installation process being orchestrated by InstallModules.