retention

type Registry struct {
	// contains filtered or unexported fields
}

type Rules struct {
	// Default applies to registered ecosystems without their own rule,
	// except generic, which requires an explicit rule.
	Default time.Duration
	// Ecosystems holds rules keyed by registered ecosystem key.
	Ecosystems map[string]time.Duration
	// Packages holds rules keyed by package PURL, with Go keys lowercased.
	Packages map[string]time.Duration
	// Sources holds package rules not resolved to a stored package PURL
	// yet, by ecosystem key and then by the configured PURL (see
	// Spec.SourcePackage). An ecosystem with any is not swept, since one of
	// them may keep an artifact the sweep would otherwise clear.
	Sources map[string]map[string]time.Duration
}

type Spec struct {
	// Key is the ecosystem's config key, one of KnownKeys.
	Key string

	// ExtraDBEcosystems lists packages.ecosystem values besides the ones
	// derived from Key that belong to this ecosystem.
	ExtraDBEcosystems []string

	// CanonicalPackage turns a package PURL from the config into a
	// policy key, reporting false when the
	// PURL does not belong to this ecosystem. Nil means the ecosystem accepts
	// no package overrides.
	CanonicalPackage func(p *purl.PURL) (string, bool)

	// SourcePackage reports a package PURL that names the package by where
	// its source lives, such as a Swift package by its repository. It has to
	// be resolved through the upstream before it can be compared, so the
	// config keeps it in Rules.Sources until then. Nil means the ecosystem
	// has no such form.
	SourcePackage func(p *purl.PURL) bool
}