pack

type Buildpack struct {
	Metadata *Metadata
	WorkDir  string
}

type Depend struct {
	Name string
	Args []string
	List bool
}

type GoPack struct {
	WorkDir string
}

type Metadata struct {
	Command  string
	Depends  []*Depend
	Env      map[string]string
	Install  []string
	Name     string
	Packages []string
	Path     string
	Process  []string
	Root     Root
	Tools    []*Tool
	User     string
	Variant  string
	Version  string
}

type NodePack struct {
	WorkDir string
}

type Pack interface {
	Detect() bool
	Metadata() *Metadata
	Name() string
	Command() (string, error)
	Version() (string, error)
}

type PhpPack struct {
	WorkDir string
}

type PythonPack struct {
	WorkDir string
}

type Root struct {
	File string
	Key  string
}

type RubyPack struct {
	WorkDir string
}

type Tool struct {
	Copy     map[string][]string
	Name     string
	Owner    string
	Archive  string
	Binary   bool
	Download string
	Files    []string
	Install  []string
	Hook     func(meta *Metadata, tool *Tool) error
}