Function isTransientSHAResolutionError

pkg/cli/fetch.go:269–288

isTransientSHAResolutionError returns true when the ref-to-SHA failure appears transient and worth retrying (rate limits, network/timeout failures, or HTTP 5xx). All other errors are treated as permanent and fail immediately.

(err error)

// transient and worth retrying (rate limits, network/timeout failures, or HTTP 5xx).
// All other errors are treated as permanent and fail immediately.
func isTransientSHAResolutionError(err error) bool {
	if err == nil {
		return false
	}

	errorText := strings.ToLower(err.Error())
	if strings.Contains(errorText, "http 429") ||
		strings.Contains(errorText, "rate limit") ||
		strings.Contains(errorText, "timeout") ||
		strings.Contains(errorText, "timed out") ||
		strings.Contains(errorText, "context deadline exceeded") ||
		strings.Contains(errorText, "temporary") ||
		strings.Contains(errorText, "connection reset") ||
		strings.Contains(errorText, "connection refused") ||
		strings.Contains(errorText, "eof") {
		return true
	}

	return transientHTTP5xxPattern.MatchString(errorText)
}

// fetchGenericURLWorkflow fetches a workflow from an arbitrary HTTP(S) URL and dispatches
// on the response Content-Type to produce a FetchedWorkflow.