type Commit struct {
	PackagePath string // (empty for main repo commits)
	Hash        string

	// ResultData is the Data string of each build Result for this Commit.
	// For non-Go commits, only the Results for the current Go tip, weekly,
	// and release Tags are stored here. This is purely de-normalized data.
	// The complete data set is stored in Result entities.
	//
	// Each string is formatted as builder|OK|LogHash|GoHash.
	ResultData []string `datastore:",noindex"`
}

type Handler struct {
	// Datastore is a client used for fetching build status. If nil, it uses in-memory storage of build status.
	Datastore *datastore.Client
	// Maintner is a client for Maintner, used for fetching lists of commits.
	Maintner MaintnerClient
	// LUCI is a client for LUCI, used for fetching build results from there.
	LUCI luciClient
	// contains filtered or unexported fields
}

type MaintnerClient interface {
	// GetDashboard is extracted from apipb.MaintnerServiceClient.
	GetDashboard(ctx context.Context, in *apipb.DashboardRequest, opts ...grpc.CallOption) (*apipb.DashboardResponse, error)
}