EnsureInstalled checks that all tools are installed, returning an error if one or more tools are not.

ExtractVersion extracts a major.minor.patch version number from a typical CLI version flag output.

toolInPath checks to see if a program can be found on the PATH, as exec.LookPath does, returns exec.ErrNotFound in the case where os.LookPath would return exec.ErrNotFound and other errors.

Unique filters a slice of tools such that a tool with a given name only appears once.

ExecOptions provide configuration for how scripts are executed.

Utility to easily execute a bash script across platforms.