flake: Rename nixOverlays -> overlays

Author: bgamari

flake.nix

@@ -13,7 +13,7 @@
     flake-utils.lib.eachDefaultSystem (system:
       let pkgs = import nixpkgs {
         inherit system;
-        overlays = [ self.nixOverlays.default ];
+        overlays = [ self.overlays.default ];
       };
       in {
         packages = rec {
@@ -47,29 +47,29 @@
         };
       }
     ) // {
-      nixOverlays.default = self2: super2:
-        let hsPkgs = self2.haskell.packages.ghc96;
+      overlays.default = final: super2:
+        let hsPkgs = final.haskell.packages.ghc96;
         in {
           hackage-server = inputs.hackage-server.packages.x86_64-linux.hackage-server;
           inherit (self.packages.x86_64-linux) run-hackage-build;
 
-          cabal-install = hsPkgs.callCabal2nix "cabal-install" "${inputs.cabal}/cabal-install" { inherit (self2) Cabal cabal-install-solver hackage-security; };
-          cabal-install-solver = hsPkgs.callCabal2nix "cabal-install-solver" "${inputs.cabal}/cabal-install-solver" { inherit (self2) Cabal; };
-          Cabal = hsPkgs.callCabal2nix "Cabal" "${inputs.cabal}/Cabal" { inherit (self2) Cabal-syntax; };
+          cabal-install = hsPkgs.callCabal2nix "cabal-install" "${inputs.cabal}/cabal-install" { inherit (final) Cabal cabal-install-solver hackage-security; };
+          cabal-install-solver = hsPkgs.callCabal2nix "cabal-install-solver" "${inputs.cabal}/cabal-install-solver" { inherit (final) Cabal; };
+          Cabal = hsPkgs.callCabal2nix "Cabal" "${inputs.cabal}/Cabal" { inherit (final) Cabal-syntax; };
           Cabal-syntax = hsPkgs.callCabal2nix "Cabal-syntax" "${inputs.cabal}/Cabal-syntax" { };
           Cabal-described = hsPkgs.callCabal2nix "Cabal-described" "${inputs.cabal}/Cabal-described" { };
           Cabal-QuickCheck = hsPkgs.callCabal2nix "Cabal-QuickCheck" "${inputs.cabal}/Cabal-QuickCheck" { };
           Cabal-tests = hsPkgs.callCabal2nix "Cabal-tests" "${inputs.cabal}/Cabal-tests" { };
           Cabal-tree-diff = hsPkgs.callCabal2nix "Cabal-tree-diff" "${inputs.cabal}/Cabal-tree-diff" { };
-          hackage-security = hsPkgs.callCabal2nix "hackage-security" "${inputs.hackage-security}/hackage-security" { inherit (self2) Cabal Cabal-syntax; };
+          hackage-security = hsPkgs.callCabal2nix "hackage-security" "${inputs.hackage-security}/hackage-security" { inherit (final) Cabal Cabal-syntax; };
         };
 
       nixosModules.doc-builder = {pkgs, ...}: {
         imports = [
           ./deploy.nix
         ];
 
-        nixpkgs.overlays = [ self.nixOverlays.default ];
+        nixpkgs.overlays = [ self.overlays.default ];
       };
     };
 }