Prevent errors in prompts if no info available. Define empty functions instead of none at all if we can't figure out the platform.
Prevent errors in prompts if no info available.
Define empty functions instead of none at all if we can't figure out the
platform.

ammula88/oh-my-zsh,ammula88/oh-my-zsh,ammula88/oh-my-zsh,ammula88/oh-my-zsh