CompareVersions compares two version strings.

FlagErrorf returns a new FlagError that wraps an error produced by fmt.Errorf(format, args...).

FlagError returns a new FlagError that wraps the specified error.

LoadToolsConfig loads tool configuration from a YAML file.

CancelError signals user-initiated cancellation.

PendingError signals nothing failed but something is pending.

SilentError is an error that triggers exit code 1 without any error messaging.

A *FlagError indicates an error processing command-line flags or other arguments.