internal

type Cache struct {
	Inputs  []string `yaml:"inputs"`
	Outputs []string `yaml:"outputs"`
}

type CacheIndex struct {
	Hashes    map[string]string
	GitHashes map[string]string
}

type CacheLocation struct {
	RootDir   *string
	WorkDir   *string
	Locations []string
}

type CacheProvider interface {
	GetIndex() (CacheIndex, error)
	PutIndex(CacheIndex) error
	GetCache(string, CacheLocation) error
	PutCache(CacheLocation) error
}

type CacheState struct {
	RootDir     *string
	WorkDir     *string
	Cache       Cache
	InChecksum  string
	GitRevs     []string
	OutChecksum *string
}

type Config struct {
	Targets        []Target        `yaml:"targets"`
	ExecutionPlans []ExecutionPlan `yaml:"execution_plans"`
}

type ExecutionPlan struct {
	Name    string   `yaml:"name"`
	Targets []string `yaml:"targets"`
}

type Log interface {
	Println(a ...interface{}) (n int, err error)
	Printf(format string, a ...interface{}) (n int, err error)
}

type NoLog struct{}

type OSLog struct{}

type Target struct {
	Name       string    `yaml:"name"`
	MaxRetries *int      `yaml:"max_retries"`
	WorkDir    *string   `yaml:"work_dir"`
	Run        string    `yaml:"run"`
	DependsOn  *[]string `yaml:"depends_on"`
	Caches     *[]Cache  `yaml:"caches"`
}

type TargetResult struct {
	Err     *error
	Target  Target
	Wait    *time.Duration
	Elapsed time.Duration
}