This grew out of the comment I left at https://news.ycombinator.com/item?id=38934087 https://news.ycombinator.com/item?id=38934087 I've got some unfinished pos

This grew out of the comment I left at https://news.ycombinator.com/item?id=38934087 https://news.ycombinator.com/item?id=38934087 I've got some unfinished posts on e.g. import-from-derivation, but wanted to get this done so I can link-to/reference it in the future :)