fix(modules): use _m instead of _module as _module is removed in eval

modules/base.nix

@@ -10,13 +10,13 @@ with lib;
       default = "kubenix";
     };
 
-    _module.features = mkOption {
+    _m.features = mkOption {
       description = "List of features exposed by module";
       type = types.listOf types.str;
       default = [];
     };
 
-    _module.propagate = mkOption {
+    _m.propagate = mkOption {
       description = "Module propagation options";
       type = types.listOf (types.submodule ({config, ...}: {
         options = {

modules/docker.nix

@@ -73,13 +73,10 @@ in {
 
   config = {
     # define docker feature
-    _module.features = ["docker"];
-
-    # pass docker library as param
-    _module.args.docker = import ../lib/docker.nix { inherit lib pkgs; };
+    _m.features = ["docker"];
 
     # propagate docker options if docker feature is enabled
-    _module.propagate = [{
+    _m.propagate = [{
       features = [ "docker" ];
       module = { config, name, ... }: {
         # propagate registry options
@@ -87,6 +84,9 @@ in {
       };
     }];
 
+    # pass docker library as param
+    _module.args.docker = import ../lib/docker.nix { inherit lib pkgs; };
+
     # list of exported docker images
     docker.export = mapAttrsToList (_: i: i.image)
       (filterAttrs (_: i: i.registry != null) config.docker.images);

modules/k8s.nix

@@ -317,14 +317,11 @@ in {
   };
 
   config = {
-    # expose k8s helper methods as module argument
-    _module.args.k8s = import ../lib/k8s.nix { inherit lib; };
-
     # features that module is defining
-    _module.features = [ "k8s" ];
+    _m.features = [ "k8s" ];
 
     # module propagation options
-    _module.propagate = [{
+    _m.propagate = [{
       features = ["k8s"];
       module = { config, ... }: {
         # propagate kubernetes version and namespace
@@ -352,6 +349,9 @@ in {
       };
     }];
 
+    # expose k8s helper methods as module argument
+    _module.args.k8s = import ../lib/k8s.nix { inherit lib; };
+
     kubernetes.api = mkMerge ([{
       # register custom types
       types = mapAttrsToList (_: cr: {

modules/submodule.nix

@@ -44,6 +44,6 @@ with lib;
     args._empty = mkOption {};
   };
 
-  config._module.features = ["submodule"];
   config._module.args.args = config.submodule.args;
+  config._m.features = ["submodule"];
 }

modules/submodules.nix

@@ -60,7 +60,7 @@ let
       then inst.config.submodule.passthru._module.args or {}
       else {}
     ) config.submodules.instances);
-  }) (removeAttrs options ["_definedNames" "_module" "submodules"]);
+  }) (removeAttrs options ["_definedNames" "_module" "_m" "submodules"]);
 in {
   imports = [ ./base.nix ];
 
@@ -132,7 +132,7 @@ in {
             };
 
             evaledSubmodule =
-              if (!(elem "submodule" evaledSubmodule'.config._module.features))
+              if (!(elem "submodule" evaledSubmodule'.config._m.features))
               then throw "no submodule defined"
               else evaledSubmodule';
           in {
@@ -170,7 +170,7 @@ in {
                 inherit (evaledSubmodule.config.submodule) name description version tags exports;
               };
 
-              features = evaledSubmodule.config._module.features;
+              features = evaledSubmodule.config._m.features;
             };
           })
         )
@@ -255,7 +255,7 @@ in {
         ${submodule.exportAs} = submodule.definition.exports;
       }) (filter (submodule: submodule.exportAs != null) cfg.imports));
 
-      _module.features = ["submodules"];
+      _m.features = ["submodules"];
 
       submodules.specialArgs.kubenix = kubenix;
 
@@ -270,7 +270,7 @@ in {
         (map (propagate: {
           features = propagate.features;
           default = propagate.module;
-        }) config._module.propagate)
+        }) config._m.propagate)
       ];
     }