Flakes: Difference between revisions

@@ Line 423: / Line 423: @@
 == Importing packages from multiple channels ==
-You can import packages from different channels by creating an overlay on the ''pkgs'' attribute :
+A NixOS config flake skeleton could be as follows:
-<syntaxHighlight lang=nix>
-let
-  overlay-unstable = final: prev: {
-    unstable = nixpkgs-unstable.legacyPackages.${prev.system}; # considering nixpkgs-unstable is an input registered before.
-  };
-in nixpkgs.overlays = [ overlay-unstable ]; # we assign the overlay created before to the overlays of nixpkgs.
-</syntaxHighlight>
-should make a package accessible through <code>pkgs.unstable.package</code>
-For example, a NixOS config flake skeleton could be as follows:
 <syntaxHighlight lang=nix>
 {