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I would really like to know how NixOS solves this problem for things like yarn, webpack, parcel, esbuild, npm, pip, conda, cargo, stack, go modules, ruby gems,

I would really like to know how NixOS solves this problem for things like yarn, webpack, parcel, esbuild, npm, pip, conda, cargo, stack, go modules, ruby gems, etc.

tadfisher 6y ago
Usually there are tools to extract the necessary dependency information (url and hash) from a package manager's lockfile and produce a fixed-output derivation so a Nix expression can reproduce the build environment. I know of yarn2nix, cargo2nix, and node2nix, and I wrote and maintain gradle2nix for JVM projects.
mands 6y ago
It's doesn't really, and that's the problem. There are automated tools and scripts to help, but there are always edge cases so that you end up going back to using pip for example. Nix and language package managers just don't really play well together.