
overrideScope'
which takes arguments in the conventional order
The `overrideScope` bound by `makeScope` (via special `callPackage`) took an override in the form `super: self { … }`. But this is dangerously close to the `self: super { … }` form used by *everything* else, even other definitions of `overrideScope`! Since that implementation did not even share any code either until I changed it recently in 3cf43547f4be03d1d6eb0bbfc557e2dbc13b4095, this inconsistency is almost certainly an oversight and not intentional. Unfortunately, just as the inconstency is hard to debug if one just assumes the conventional order, any sudden fix would break existing overrides in the same hard-to-debug way. So instead of changing the definition a new `overrideScope'` with the conventional order is added, and old `overrideScope` deprecated with a warning saying to use `overrideScope'` instead. That will hopefully get people to stop using `overrideScope`, freeing our hand to change or remove it in the future.
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
For stability and maximum binary package support, it is recommended to maintain
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
For pull-requests, please rebase onto nixpkgs master
.
NixOS Linux distribution source code is located inside
nixos/
folder.
- NixOS installation instructions
- Documentation (Nix Expression Language chapter)
- Manual (How to write packages for Nix)
- Manual (NixOS)
- Community maintained wiki
- Continuous package builds for unstable/master
- Continuous package builds for 18.03 release
- Tests for unstable/master
- Tests for 18.03 release
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