New creates a new initialized remote backend.

RetryBackoff retries function f until nil or a FatalError is returned.

Colorize is used to print output when the -no-color flag is used.

NonRetryableError is a simple implementation of Fatal that wraps an error.

Remote is an implementation of EnhancedBackend that performs all operations in a remote backend.

Colorer is the interface that must be implemented to colorize strings.

Fatal implements a RetryBackoff func return value that, if encountered, signals that the func should not be retried.