lock

type Lock struct {
	SchemaVersion int `yaml:"schema_version" json:"schema_version"`
	// CLI is the CLI major.minor that wrote the file.
	CLI string `yaml:"cli" json:"cli"`
	// Images maps a compose service to its digest-pinned reference.
	Images map[string]string `yaml:"images" json:"images"`
	// Unpinned maps a service to a tag-only reference whose digest is unknown.
	Unpinned map[string]string `yaml:"unpinned" json:"unpinned"`
	// Plugins maps a plugin slug to its pin, from the bundle ledger.
	Plugins map[string]PluginPin `yaml:"plugins" json:"plugins"`
	// Bundles lists the installed bundles, sorted.
	Bundles []string `yaml:"bundles" json:"bundles"`
}

type Merged struct {
	// Images is service -> merged image reference.
	Images map[string]string
	// Unverifiable lists, sorted and without duplicates, what could not be read
	// as a plain image.
	Unverifiable []string
	// Services names the CLI-owned services behind Unverifiable (sorted); an
	// include has no service of its own, so it adds none.
	Services []string
}

type Mismatch struct {
	Kind   string `json:"kind"`
	Name   string `json:"name"`
	Locked string `json:"locked"`
	Actual string `json:"actual"`
}

type PluginPin struct {
	Version string `yaml:"version" json:"version"`
	SHA256  string `yaml:"sha256" json:"sha256"`
	Tier    string `yaml:"tier" json:"tier"`
}

type Resolver struct {
	// LocalDigest returns "sha256:<hex>" for a tag reference whose image is
	// present locally with exactly one repo digest, else "".
	LocalDigest func(ref string) string
	// CLILocked returns the digest-pinned reference of the CLI image lock whose
	// version matches the tag reference, if any.
	CLILocked func(ref string) (string, bool)
}

type ServiceSource struct {
	Image   string
	Extends bool
	Build   bool
	// Reset is set when the service or its image carries Compose's !reset tag:
	// the key is cleared, so an earlier file's image no longer applies. A
	// service-level !override sets Override: it replaces the earlier service
	// whole, so the earlier image does not carry over either.
	Reset    bool
	Override bool
}

type SourceFile struct {
	Name   string
	Data   []byte
	Mirror bool
}