* Move the /etc generation to modules/system/etc.

svn path=/nixos/branches/modular-nixos/; revision=15767

modules/legacy.nix

@@ -1,6 +1,5 @@
 {
   require = [
-    ../etc/default.nix
     ../system/assertion.nix
     ../system/nixos-environment.nix
     ../system/nixos-installer.nix

modules/module-list.nix

@@ -117,6 +117,7 @@
   ./system/boot/kernel.nix
   ./system/boot/stage-1.nix
   ./system/boot/stage-2.nix
+  ./system/etc/etc.nix
   ./system/upstart-events/ctrl-alt-delete.nix
   ./system/upstart-events/halt.nix
   ./system/upstart-events/maintenance-shell.nix

modules/programs/bash/bash.nix

@@ -3,7 +3,26 @@
 
 {config, pkgs, ...}:
 
+let
+
+  options = {
+
+    environment.shellInit = pkgs.lib.mkOption {
+        default = "";
+        example = ''export PATH=/godi/bin/:$PATH'';
+        description = "
+          Script used to initialized user shell environments.
+        ";
+        merge = pkgs.lib.mergeStringOption;
+      };
+
+  };
+
+in    
+   
 {
+  require = [options];
+
   environment.etc =
     [ { # /etc/bashrc: script executed when the shell starts as a
         # non-login shell.  /etc/profile also sources this file, so

modules/system/etc/etc.nix

@@ -6,41 +6,23 @@ let
   inherit (pkgs.lib) mkOption;
 
   option = {
-    environment = {
+    environment.etc = mkOption {
-      etc = mkOption {
+      default = [];
-        default = [];
+      example = [
-        example = [
+        { source = "/nix/store/.../etc/dir/file.conf.example";
-          { source = "/nix/store/.../etc/dir/file.conf.example";
+          target = "dir/file.conf";
-            target = "dir/file.conf";
+          mode = "0440";
-            mode = "0440";
+        }
-          }
+      ];
-        ];
+      description = ''
-        description = "
+        List of files that have to be linked in /etc.
-          List of files that have to be linked in /etc.
+      '';
-        ";
-      };
-
-      # !!! This should be moved outside of /etc/default.nix.
-      shellInit = mkOption {
-        default = "";
-        example = ''export PATH=/godi/bin/:$PATH'';
-        description = "
-          Script used to initialized user shell environments.
-        ";
-        merge = pkgs.lib.mergeStringOption;
-      };
     };
   };
 in
 
 ###### implementation
 let
-  optional = pkgs.lib.optional;
-
-in
-
-let
-  inherit (pkgs.stringsWithDeps) noDepEntry fullDepEntry packEntry;
 
   copyScript = {source, target, mode ? "644", own ? "root.root"}:
     assert target != "nixos";
@@ -54,22 +36,15 @@ let
       chmod ${mode} "$target"
     '';
 
-  makeEtc = import ../helpers/make-etc.nix {
+  makeEtc = import ./make-etc.nix {
     inherit (pkgs) stdenv;
     configFiles = config.environment.etc;
   };
+  
 in
 
 {
-  require = [
+  require = [option];
-    option
-
-    # config.system.build
-    # ../system/system-options.nix
-
-    # config.system.activationScripts
-    # ../system/activate-configuration.nix
-  ];
 
   system = {
     build = {
@@ -77,7 +52,7 @@ in
     };
 
     activationScripts = {
-      etc = fullDepEntry ''
+      etc = pkgs.lib.fullDepEntry ''
         # Set up the statically computed bits of /etc.
         staticEtc=/etc/static
         rm -f $staticEtc