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The Python interpreters are patched so they can build .pyc bytecode free of certain indeterminism. When building Python packages we currently set ``` compiling python files. in nix store. DETERMINISTIC_BUILD=1; PYTHONHASHSEED = 0; ``` Instead if setting these environment variables in the function that builds the package, this commit sets the variables instead in the Python setup hook. That way, whenever Python is included in a derivation, these variables are set. See also the issue https://github.com/NixOS/nixpkgs/issues/25707.
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 git://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-17.03 for the latest
release and nixos-unstable for the latest successful build of master:
% git remote update channels
% git rebase channels/nixos-17.03
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)
- Nix Wiki (deprecated, see milestone "Move the Wiki!")
- Continuous package builds for unstable/master
- Continuous package builds for 17.03 release
- Tests for unstable/master
- Tests for 17.03 release
Communication: