Move all of NixOS to nixos/ in preparation of the repository merge

2013-10-10 13:28:20 +02:00
parent 6070bc016b
commit 5c1f8cbc70
481 changed files with 0 additions and 0 deletions
@@ -0,0 +1,63 @@
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+
+  generationsDirBuilder = pkgs.substituteAll {
+    src = ./generations-dir-builder.sh;
+    isExecutable = true;
+    inherit (pkgs) bash;
+    path = [pkgs.coreutils pkgs.gnused pkgs.gnugrep];
+    inherit (config.boot.loader.generationsDir) copyKernels;
+  };
+
+  # Temporary check, for nixos to cope both with nixpkgs stdenv-updates and trunk
+  platform = pkgs.stdenv.platform;
+
+in
+
+{
+  options = {
+
+    boot.loader.generationsDir = {
+
+      enable = mkOption {
+        default = false;
+        description = ''
+          Whether to create symlinks to the system generations under
+          <literal>/boot</literal>.  When enabled,
+          <literal>/boot/default/kernel</literal>,
+          <literal>/boot/default/initrd</literal>, etc., are updated to
+          point to the current generation's kernel image, initial RAM
+          disk, and other bootstrap files.
+
+          This optional is not necessary with boot loaders such as GNU GRUB
+          for which the menu is updated to point to the latest bootstrap
+          files.  However, it is needed for U-Boot on platforms where the
+          boot command line is stored in flash memory rather than in a
+          menu file.
+        '';
+      };
+
+      copyKernels = mkOption {
+        default = false;
+        description = "
+          Whether copy the necessary boot files into /boot, so
+          /nix/store is not needed by the boot loader.
+        ";
+      };
+
+    };
+
+  };
+
+
+  config = mkIf config.boot.loader.generationsDir.enable {
+
+    system.build.installBootLoader = generationsDirBuilder;
+    system.boot.loader.id = "generationsDir";
+    system.boot.loader.kernelFile = platform.kernelTarget;
+
+  };
+}