Bundler for creating one nix file that can be checked in

[Profpatsch]

Ideally, the workflow for packaging a medium-complex application is just

yarn2nix bundle ./path/to/checkout

or even just

yarn2nix bundle github:owner/repo

and one nix file is created that contains everything for building & vendoring it into your repository (or into nixpkgs).

[sternenseemann]

Also I think it'd be a good requirement for the bundled nix expression that overrideAttrs works for most purposes without much hassle to change name, version, meta set, ….