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nmattia / niv

Easy dependency management for Nix projects
https://github.com/nmattia/niv
MIT License
1.62k stars 79 forks source link

[feature] `init` option to create a tiny shell.nix skeleton #316

Open purcell opened 3 years ago

purcell commented 3 years ago

Just a little suggestion here:

I (and at least one of my colleagues) often create ad-hoc nix shells for existing and new projects, and would love it if we could effectively bootstrap a little nix project environment that uses niv using niv init --shell or similar. If --shell is provided and there is no existing shell.nix, a tiny shell.nix template that gets its packages from niv's nixpkgs would be created.

I know this is probably somewhat orthogonal to the tool's goals, and of course what constitutes a "good" shell.nix is a matter of opinion, but I think this would be a real timesaver for many users.

Thanks again for niv!

SuperSandro2000 commented 3 years ago

Just replace <nixpkgs> in your inputs with import (import ./nix/sources.nix).nixpkgs { }

purcell commented 3 years ago

Well yes, I know enough to be able to do that! But I think there's still a case for a drop-dead-simple project bootstrap.