1 files changed, 96 insertions, 79 deletions

diff --git a/system-profiles/core/default.nix b/system-profiles/core/default.nix
index 0859d707..c2c821b7 100644
--- a/system-profiles/core/default.nix
+++ b/system-profiles/core/default.nix
@@ -74,7 +74,7 @@ in {
               };
           in foldr (def: mergeConfig def.value) {};
       };
-      description = mdDoc ''
+      description = ''
         The configuration of the Nix Packages collection.  (For
         details, see the Nixpkgs documentation.)  It allows you to set
         package configuration options.
@@ -91,96 +91,113 @@ in {
     };
   };
 
-  config = {
-    networking.hostName = hostName;
-    system.configurationRevision = mkIf (flake ? rev) flake.rev;
+  config = foldr recursiveUpdate {} ([
+    {
+      networking.hostName = hostName;
+      system.configurationRevision = mkIf (flake ? rev) flake.rev;
 
-    nixpkgs.pkgs = import (flakeInputs.${config.nixpkgs.flakeInput}.outPath + "/pkgs/top-level") {
-      overlays = attrValues flake.overlays;
-      config = config.nixpkgs.externalConfig;
-      localSystem = config.nixpkgs.system;
-    };
+      nixpkgs.pkgs = import (flakeInputs.${config.nixpkgs.flakeInput}.outPath + "/pkgs/top-level") {
+        overlays = attrValues flake.overlays;
+        config = config.nixpkgs.externalConfig;
+        localSystem = config.nixpkgs.system;
+      };
 
-    nix = {
-      package = pkgs.nixUnstable;
-      settings = {
-        sandbox = true;
-        allowed-users = [ "*" ];
-        trusted-users = [ "root" "@wheel" ];
+      nix = {
+        package = if builtins.hasAttr "latest" pkgs.nixVersions then pkgs.nixVersions.latest else pkgs.nixUnstable;
+        settings = {
+          sandbox = true;
+          allowed-users = [ "*" ];
+          trusted-users = [ "root" "@wheel" ];
 
-        experimental-features = ["nix-command" "flakes" "auto-allocate-uids" "cgroups"];
-        auto-allocate-uids = true;
-        use-cgroups = true;
-        use-xdg-base-directories = true;
+          experimental-features = ["nix-command" "flakes" "auto-allocate-uids" "cgroups"];
+          auto-allocate-uids = true;
+          use-cgroups = true;
+          use-xdg-base-directories = true;
 
-        flake-registry = "${flakeInputs.flake-registry}/flake-registry.json";
+          flake-registry = "${flakeInputs.flake-registry}/flake-registry.json";
+        };
+        nixPath = [
+          "nixpkgs=${pkgs.runCommand "nixpkgs" {} ''
+            mkdir $out
+            ln -s ${./nixpkgs.nix} $out/default.nix
+            ln -s /run/nixpkgs/lib $out/lib
+          ''}"
+        ];
+        registry =
+          let override = { self = "nixos"; };
+          in mapAttrs' (inpName: inpFlake: nameValuePair
+            (override.${inpName} or inpName)
+            { flake = inpFlake; } ) flakeInputs;
       };
-      nixPath = [
-        "nixpkgs=${pkgs.runCommand "nixpkgs" {} ''
-          mkdir $out
-          ln -s ${./nixpkgs.nix} $out/default.nix
-          ln -s /run/nixpkgs/lib $out/lib
+
+      systemd.tmpfiles.rules = [
+        "L+ /run/nixpkgs - - - - ${flakeInputs.nixpkgs.outPath}"
+        "L+ /run/nixpkgs-overlays.nix - - - - ${pkgs.writeText "overlays.nix" ''
+          with builtins;
+
+          attrValues (import
+            (
+              let lock = fromJSON (readFile ${flake + "/flake.lock"}); in
+              fetchTarball {
+                url = "https://github.com/edolstra/flake-compat/archive/''${lock.nodes.flake-compat.locked.rev}.tar.gz";
+                sha256 = lock.nodes.flake-compat.locked.narHash;
+              }
+            )
+            { src = ${flake}; }
+          ).defaultNix.overlays
         ''}"
+        "L+ /etc/nixos - - - - ${flake}"
       ];
-      registry =
-        let override = { self = "nixos"; };
-        in mapAttrs' (inpName: inpFlake: nameValuePair
-          (override.${inpName} or inpName)
-          { flake = inpFlake; } ) flakeInputs;
-    };
-
-    systemd.tmpfiles.rules = [
-      "L+ /run/nixpkgs - - - - ${flakeInputs.nixpkgs.outPath}"
-      "L+ /run/nixpkgs-overlays.nix - - - - ${pkgs.writeText "overlays.nix" ''
-        with builtins;
-
-        attrValues (import
-          (
-            let lock = fromJSON (readFile ${flake + "/flake.lock"}); in
-            fetchTarball {
-              url = "https://github.com/edolstra/flake-compat/archive/''${lock.nodes.flake-compat.locked.rev}.tar.gz";
-              sha256 = lock.nodes.flake-compat.locked.narHash;
-            }
-          )
-          { src = ${flake}; }
-        ).defaultNix.overlays
-      ''}"
-    ];
-
-    users.mutableUsers = false;
 
-    # documentation.nixos.includeAllModules = true; # incompatible with home-manager (build fails)
+      users.mutableUsers = false;
 
-    home-manager = {
-      useGlobalPkgs = true; # Otherwise home-manager would only work impurely
-      useUserPackages = false;
-      backupFileExtension = "bak";
-    };
+      documentation.nixos = {
+        includeAllModules = true;
+        options.warningsAreErrors = false;
+      };
 
-    sops = mkIf hasSops {
-      age = {
-        keyFile = "/var/lib/sops-nix/key.txt";
-        generateKey = false;
-        sshKeyPaths = [];
+      home-manager = {
+        useGlobalPkgs = true; # Otherwise home-manager would only work impurely
+        useUserPackages = false;
+        backupFileExtension = "bak";
       };
-      gnupg = {
-        home = null;
-        sshKeyPaths = [];
+
+      sops = mkIf hasSops {
+        age = {
+          keyFile = "/var/lib/sops-nix/key.txt";
+          generateKey = false;
+          sshKeyPaths = [];
+        };
+        gnupg = {
+          home = null;
+          sshKeyPaths = [];
+        };
       };
-    };
 
-    programs.git = {
-      enable = true;
-      lfs.enable = true;
+      programs.git = {
+        enable = true;
+        lfs.enable = true;
+      };
+      environment.systemPackages = with pkgs; [ git-annex scutiger ];
+    }
+  ] ++ (optional (options ? system.switch.enableNg) {
+    system.switch = lib.mkDefault {
+      enable = false;
+      enableNg = true;
     };
-    environment.systemPackages = with pkgs; [ git-annex scutiger ];
-
-    system.activationScripts.symlink-flake = ''
-      if test -L /etc/nixos; then
-        ln -nsf ${flake} /etc/nixos
-      elif test -d /etc/nixos && rmdir --ignore-fail-on-non-empty /etc/nixos; then
-        ln -s ${flake} /etc/nixos
-      fi
-    '';
-  };
+  })
+  ++ (optional (options ? system.etc) {
+    boot.initrd.systemd.enable = lib.mkDefault true;
+    system.etc.overlay.enable = lib.mkDefault true;
+    systemd.sysusers.enable = lib.mkDefault true;
+
+    # Random perl remnants
+    system.disableInstallerTools = lib.mkDefault true;
+    programs.less.lessopen = lib.mkDefault null;
+    programs.command-not-found.enable = lib.mkDefault false;
+    boot.enableContainers = lib.mkDefault false;
+    boot.loader.grub.enable = lib.mkDefault false;
+    environment.defaultPackages = lib.mkDefault [ ];
+    documentation.info.enable = lib.mkDefault false;
+  }));
 }