mergechecker

type Config struct {
	// QueueName identifies the queue this MergeChecker serves.
	QueueName string
}

type Factory interface {
	// For returns the MergeChecker for the given queue.
	For(cfg Config) (MergeChecker, error)
}

type MergeChecker interface {
	// Check is a fail-fast mergeability check that optimistically assesses
	// whether the changes can be merged. A positive result does not
	// guarantee that the changes will apply cleanly at merge time.
	Check(ctx context.Context, change entity.Change) (Result, error)
}

type Result struct {
	// Mergeable is true if the request's changes are expected to merge cleanly.
	Mergeable bool
	// Reason is a human-readable explanation when Mergeable is false.
	// Empty when Mergeable is true.
	Reason string
}