[Nix-dev] hermetically sealed nixpkgs

[Roger Qiu]

There's some work on integrating Nix and IPFS here: 
https://github.com/ipfs/notes/issues/51

On 7/12/2015 3:44 PM, Chris Forno wrote:
> How would you go about (pre)fetching every source in the nixpkgs tree? 
> How large would you estimate the result to be (number of 
> archives/space on disk)?
>
> In the last couple days:
>
> * GNU bash silently updated patch 42 
> (https://github.com/NixOS/nixpkgs/issues/11475)
> * OpenSSL moved the 1.0.2d release to the "old" directory (breaking 
> the URL) 
> (https://github.com/NixOS/nixpkgs/commit/51a5f49d700890a93c36dd50e5eca4bf6ee6966b)
>
> These kind of breakages introduced by the external world erode the 
> promise of Nix that attracted me as a developer: reproducible builds 
> into the future. In this respect alone, Nix + a fixed nixpkgs checkout 
> provides little/no advantage over building in a VM: both work 
> indefinitely as long as you don't introduce new dependencies.
>
> I intend to build/test a sort of hermetically sealed Nix where all 
> dependencies are frozen in time (saved somewhere). I suspect I'm not 
> alone in wanting this 
> (http://permalink.gmane.org/gmane.linux.distributions.nixos/18611). 
> I'd appreciate any tips/guidance/references to related work before I 
> begin.
>
>
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