Future: Consider adding "Truck Factor"

[david-a-wheeler]

In a future version, consider adding "truck factor" ("hit by a bus factor") as a metric.

See "What is the Truck Factor of Popular GitHub Applications? A First Assessment"
https://peerj.com/preprints/1233v1.pdf

See also:
http://mtov.github.io/Truck-Factor/
https://lwn.net/Articles/651366/

[fweimer]

This should be weighted by project size. If the code could be rewritten from scratch in a few weeks, truck factor is meaningless. It's also difficult to tell automatically if a single-committer version control history in fact means that no one else is familiar with the code.