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Apart from a slight simplification and a bit of dogfooding, this also make the cache behavior more predictable. For example `nix build .` and `nix build nix/$(git rev-parse HEAD)` will yield the exact same path, while their “intuitive” non-flake equivalents (`nix-build` and `nix-build https://github.com/nixos/nix/archives/$(git rev-parse HEAD).tar.gz`) don’t. This was a pain for example in https://github.com/NixOS/nix/pull/5059 Also, the `bar-with-logs` log format is imho nicer (even in an non-interactive context) because prefixing each log line with the name of the derivation that produced it makes it much easier to follow what’s going on.
Nix
Nix is a powerful package manager for Linux and other Unix systems that makes package management reliable and reproducible. Please refer to the Nix manual for more details.
Installation
On Linux and macOS the easiest way to install Nix is to run the following shell command (as a user other than root):
$ curl -L https://nixos.org/nix/install | sh
Information on additional installation methods is available on the Nix download page.
Building And Developing
See our Hacking guide in our manual for instruction on how to build nix from source with nix-build or how to get a development environment.
Additional Resources
- Nix manual
- Nix jobsets on hydra.nixos.org
- NixOS Discourse
- Matrix - #nix:nixos.org
- IRC - #nixos on libera.chat
License
Nix is released under the LGPL v2.1.