Revert "Add the tool "nixos-typecheck" that can check an option declaration to:"

This reverts commit cad8957eabcbf73062226d28366fd446c15c8737. It
breaks NixOps, but more importantly, such major changes to the module
system really need to be reviewed.

2 files changed, 3 insertions, 103 deletions

diff --git a/nixos/lib/eval-config.nix b/nixos/lib/eval-config.nix
index 79890e0add7d..a87b285c5b7b 100644
--- a/nixos/lib/eval-config.nix
+++ b/nixos/lib/eval-config.nix
@@ -20,13 +20,8 @@
 , # !!! See comment about args in lib/modules.nix
   specialArgs ? {}
 , modules
-, # Pass through a configuration of the internal modules declared
-  # in lib/modules.nix.
-  _module ? {}
-, # !!! See comment about typeInference in lib/modules.nix
-  typeInference ? null
 , # !!! See comment about check in lib/modules.nix
-  check ? null
+  check ? true
 , prefix ? []
 , lib ? import ../../lib
 }:
@@ -46,17 +41,13 @@ let
     };
   };
 
-  internalModule = { _module = (_module
-                     // (if isNull check then {} else { inherit check; })
-                     // (if isNull typeInference then {} else { inherit typeInference; })); };
-
 in rec {
 
   # Merge the option definitions in all modules, forming the full
   # system configuration.
   inherit (lib.evalModules {
-    inherit prefix;
-    modules = modules ++ extraModules ++ baseModules ++ [ pkgsModule ] ++ [ internalModule ];
+    inherit prefix check;
+    modules = modules ++ extraModules ++ baseModules ++ [ pkgsModule ];
     args = extraArgs;
     specialArgs = { modulesPath = ../modules; } // specialArgs;
   }) config options;
diff --git a/nixos/lib/typechecker.nix b/nixos/lib/typechecker.nix
deleted file mode 100644
index b4d8277f8fe9..000000000000
--- a/nixos/lib/typechecker.nix
+++ /dev/null
@@ -1,91 +0,0 @@
-{ config, lib, pkgs, baseModules, ... }:
-
-with pkgs;
-with pkgs.lib;
-
-let
-
-  optionsSpecs = inferenceMode:
-    let
-      versionModule =
-        { system.nixosVersionSuffix = config.system.nixosVersionSuffix;
-          system.nixosRevision = config.system.nixosRevision;
-          nixpkgs.system = config.nixpkgs.system;
-        };
-
-      internalModule = { _module = config._module; } // (if isNull inferenceMode then {} else { _module.typeInference = mkForce inferenceMode; });
-
-      eval = evalModules {
-        modules = [ versionModule ] ++ baseModules ++ [ internalModule ];
-        args = (config._module.args) // { modules = [ ]; };
-      };
-
-      # Remove invisible and internal options.
-      optionsSpecs' = filter (opt: opt.visible && !opt.internal) (optionAttrSetToParseableSpecifications config._module eval.options);
-
-      # INFO: Please add 'defaultText' or 'literalExample' to the option
-      #       definition to avoid this exception!
-      substFunction = key: decls: x:
-        if builtins.isAttrs x then mapAttrs (name: substFunction key decls) x
-        else if builtins.isList x then map (substFunction key decls) x
-        else if builtins.isFunction x then throw "Found an unexpected <function> in ${key} declared in ${concatStringsSep " and " decls}."
-        else x;
-
-      prefix = toString ../..;
-
-      stripPrefix = fn:
-        if substring 0 (stringLength prefix) fn == prefix then
-          substring (stringLength prefix + 1) 1000 fn
-        else
-          fn;
-
-      # Clean up declaration sites to not refer to the NixOS source tree.
-      cleanupOptions = x: flip map x (opt:
-        let substFunction' = y: substFunction opt.name opt.declarations y;
-        in opt
-           // { declarations = map (fn: stripPrefix fn) opt.declarations; }
-           // optionalAttrs (opt ? example) { example = substFunction' opt.example; }
-           // optionalAttrs (opt ? default) { default = substFunction' opt.default; }
-           // optionalAttrs (opt ? type) { type = substFunction' opt.type; });
-
-    in
-      cleanupOptions optionsSpecs';
-
-in
-
-{
-
-  system.build.typechecker = {
-
-    # The NixOS options as machine readable specifications in JSON format.
-    specifications = stdenv.mkDerivation {
-      name = "options-specs-json";
-
-      buildCommand = ''
-        # Export list of options in different format.
-        dst=$out/share/doc/nixos
-        mkdir -p $dst
-
-        cp ${builtins.toFile "options.json" (builtins.unsafeDiscardStringContext (builtins.toJSON
-          (listToAttrs (map (o: { name = o.name; value = removeAttrs o ["name" "visible" "internal"]; }) (optionsSpecs null)))))
-        } $dst/options-specs.json
-
-        mkdir -p $out/nix-support
-        echo "file json $dst/options-specs.json" >> $out/nix-support/hydra-build-products
-      ''; # */
-
-      meta.description = "List of NixOS options specifications in JSON format";
-    };
-
-    silent = listToAttrs (map (o: { name = o.name; value = removeAttrs o ["name" "visible" "internal"]; }) (optionsSpecs "silent"));
-    printAll = listToAttrs (map (o: { name = o.name; value = removeAttrs o ["name" "visible" "internal"]; }) (optionsSpecs "printAll"));
-    printUnspecified = listToAttrs (map (o: { name = o.name; value = removeAttrs o ["name" "visible" "internal"]; }) (optionsSpecs "printUnspecified"));
-
-  };
-
-}
-
-
-
-
-