modules/system/nix/default.nix

@@ -7,8 +7,6 @@ in
   options.my.system.nix = with lib; {
     enable = my.mkDisableOption "nix configuration";
 
-    linkInputs = my.mkDisableOption "link inputs to `/etc/nix/inputs/`";
-
     addToRegistry = my.mkDisableOption "add inputs and self to registry";
 
     addToNixPath = my.mkDisableOption "add inputs and self to nix path";
@@ -17,18 +15,6 @@ in
   };
 
   config = lib.mkIf cfg.enable (lib.mkMerge [
-    {
-      assertions = [
-        {
-          assertion = cfg.addToNixPath -> cfg.linkInputs;
-          message = ''
-            enabling `my.system.nix.addToNixPath` needs to have
-            `my.system.nix.linkInputs = true`
-          '';
-        }
-      ];
-    }
-
     {
       nix = {
         package = pkgs.nix;
@@ -52,31 +38,13 @@ in
       };
     })
 
-    (lib.mkIf cfg.linkInputs {
-      environment.etc =
-        let
-          makeLink = n: v: {
-            name = "nix/inputs/${n}";
-            value = { source = v.outPath; };
-          };
-          makeLinks = lib.mapAttrs' makeLink;
-        in
-        makeLinks {
-          inherit (inputs)
-            self
-            nixpkgs
-            nur
-            ;
-        };
-    })
-
     (lib.mkIf cfg.addToNixPath {
       nix.nixPath = [
-        "self=/etc/nix/inputs/self"
-        "pkgs=/etc/nix/inputs/nixpkgs"
-        "nur=/etc/nix/inputs/nur"
+        "self=${inputs.self}"
+        "pkgs=${inputs.nixpkgs}"
+        "nur=${inputs.nur}"
       ]
-      ++ lib.optional cfg.overrideNixpkgs "nixpkgs=/etc/nix/inputs/nixpkgs"
+      ++ lib.optional cfg.overrideNixpkgs "nixpkgs=${inputs.nixpkgs}"
       ++ options.nix.nixPath.default;
     })
   ]);