3cf43547f4
Another attempt after my sloppy48ccdf322d. @Infinisil, thanks again, reverted in4794aa5de2and explained my mistakes in48ccdf322d (commitcomment-29678643). I start with their work and provide this proof of this commit's correctness: ```nix (lib.fixedPoints.extends (lib.flip g) f) # now ((f: rattrs: self: let super = rattrs self; in super // f self super) (lib.flip g) f) # inline extends (self: let super = f self; in super // (lib.flip g) self super) # beta reduce (self: let super = f self; in super // g super self) # beta reduce (self_: let super = f self_; in super // g super self_) # alpha rename (self_: let super = f self_; in super // g super self_) # original, same ``` Eventually we might harmonize `overrideScope`'s `g` parameter with the general pattern, but I leave that breaking change as a separate step. Best not to refactor and break at once, and at least the abstractions make the oddity clearer.
Nixpkgs is a collection of packages for the Nix package manager. It is periodically built and tested by the Hydra build daemon as so-called channels. To get channel information via git, add nixpkgs-channels as a remote:
% git remote add channels https://github.com/NixOS/nixpkgs-channels.git
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custom changes on top of one of the channels, e.g. nixos-18.03 for the latest
release and nixos-unstable for the latest successful build of master:
% git remote update channels
% git rebase channels/nixos-18.03
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