supply

type Config struct {
	Version string `yaml:"version"`
}

type Manifest interface {
	InstallOnlyVersion(string, string) error
	DefaultVersion(depName string) (libbuildpack.Dependency, error)
	AllDependencyVersions(string) []string
	InstallDependency(dep libbuildpack.Dependency, outputDir string) error
	RootDir() string
}

type Stager interface {
	AddBinDependencyLink(string, string) error
	DepDir() string
	BuildDir() string
}

type Supplier struct {
	Stager       Stager
	Manifest     Manifest
	Log          *libbuildpack.Logger
	Config       Config
	VersionLines map[string]string
}