domain

type Name string

type State string

type Status struct {
	Name   Name
	Path   string
	State  State
	Detail string
}

type Store interface {
	// Ensure returns the local path to the named binary under
	// ~/.infer/bin/tools, installing it via install.sh when it is missing or
	// its sha256 no longer matches the release. An unreachable release keeps
	// an existing binary.
	Ensure(ctx context.Context, name Name) (string, error)

	// Install runs install.sh for the named binaries (nil = the default set)
	// into ~/.infer/bin/tools with VERSION pinned ("" = latest), upgrading
	// anything whose sha256 differs from the release.
	Install(ctx context.Context, version string, names []Name) error

	// Status reports each named binary (nil = the default set) as missing,
	// stale or current against the latest release. It never downloads.
	Status(ctx context.Context, names []Name) ([]Status, error)
}