[cs615asa] Nix package manager vs supersized shebang

[Jan Schaumann]

We recently mentioned the Nix package manager and it's approach of using
unique directories to store all files and remain self-contained.

As it turns out, this can lead to unexpected limitations:
https://lwn.net/SubscriberLink/779997/11de2bdc8dbc0d69/

This serves as a good reminder that all resources are limited, and how
you might rely on bugs that you aren't even aware of.