[Nix-dev] Pinning nixpkgs on unstable channel: retention of cached packages

[Eelco Dolstra]

Hi,

On 07/11/2016 10:54 AM, Maarten Hoogendoorn wrote:

> I was wondering if it's safe to depend on any commit in the unstable channel,
> and still be able to fetch the derivations build by Hydra from the binary cache.

No. Currently any version except the most recent of any channel may be
garbage-collected at some point. Note that this also applies to the stable channels.

-- 
Eelco Dolstra | LogicBlox, Inc. | http://nixos.org/~eelco/