[Nix-dev] Mark two packages incompatible, but with the same priority?

[Jeffrey David Johnson]

Nevermind, just noticed the same behavior with plain bitcoin vs bitcoind, so maybe it's OK as is?

On Tue, 18 Aug 2015 11:11:40 -0700
Jeffrey David Johnson <jefdaj at gmail.com> wrote:

> I'm trying to add BitcoinXT support. Changes here:
> 
> https://github.com/NixOS/nixpkgs/compare/master...jefdaj:bitcoinxt-pullreq
> 
> It works as long as you only install bitcoin or bitcoin-xt, but trying
> one after the other they collide. Is there a way to set it up so
> installing either one overrides the other cleanly?