From 926395d628aa4cf9c96f234e5039a2d117d8f67a Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Sun, 6 Nov 2016 22:38:31 +0100
Subject: reorganize modules

---
 modules/system/default.nix | 63 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 modules/system/default.nix

(limited to 'modules/system')

diff --git a/modules/system/default.nix b/modules/system/default.nix
new file mode 100644
index 0000000..9435f92
--- /dev/null
+++ b/modules/system/default.nix
@@ -0,0 +1,63 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.system;
+
+in
+
+{
+  options = {
+
+    system.build = mkOption {
+      internal = true;
+      default = {};
+      description = ''
+        Attribute set of derivation used to setup the system.
+      '';
+    };
+
+    system.path = mkOption {
+      internal = true;
+      type = types.package;
+      description = ''
+        The packages you want in the system environment.
+      '';
+    };
+
+    system.nixdarwinLabel = mkOption {
+      type = types.str;
+      default = "16.09";
+    };
+
+  };
+
+  config = {
+
+    system.build.toplevel = pkgs.stdenvNoCC.mkDerivation {
+      name = "nixdarwin-system-${cfg.nixdarwinLabel}";
+      preferLocalBuild = true;
+
+      activationScript = cfg.activationScripts.script.text;
+      inherit (cfg) nixdarwinLabel;
+
+      buildCommand = ''
+        mkdir $out
+
+        ln -s ${cfg.build.etc}/etc $out/etc
+        ln -s ${cfg.path} $out/sw
+
+        echo "$activationScript" > $out/activate
+        substituteInPlace $out/activate --subst-var out
+        chmod u+x $out/activate
+        unset activationScript
+
+        echo -n "$nixdarwinLabel" > $out/nixdarwin-version
+        echo -n "$system" > $out/system
+      '';
+    };
+
+  };
+}
-- 
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