So apparently Nix can just, like, transparently fetch whatever thing you're trying to run if it isn't installed on your system yet. What
@joepie91 
I'm not sure I like that...
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@schmittlauch It's surprisingly safely implemented - if there are multiple packages offering the same binary name then it'll make you choose one first, and it only fetches packages from nixpkgs, which has at least had nominal review :)
(So basically, it avoids the two biggest security issues that eg. npx has)
