* Setting boot.localCommands for anything you want to execute before

Upstart is started.

svn path=/nixos/trunk/; revision=8229

boot/boot-stage-2-init.sh

@@ -100,6 +100,10 @@ mknod -m 0644 /dev/urandom c 1 9 # needed for passwd
 export MODULE_DIR=@kernel@/lib/modules/
 
 
+# Run any user-specified commands.
+@shell@ @bootLocal@
+
+
 # Start an interactive shell.
 #exec @shell@
 

boot/boot-stage-2.nix

@@ -1,4 +1,4 @@
-{ substituteAll, coreutils
+{ substituteAll, writeText, coreutils
 , utillinux, kernel, udev, upstart
 , activateConfiguration
 
@@ -8,6 +8,9 @@
 
 , # Path for Upstart jobs.  Should be quite minimal.
   upstartPath
+
+, # User-supplied command to be run just before Upstart is started.
+  bootLocal ? ""
 }:
 
 substituteAll {
@@ -20,4 +23,5 @@ substituteAll {
     udev
     upstart
   ];
+  bootLocal = writeText "boot.local" bootLocal;
 }

system/options.nix

@@ -179,6 +179,16 @@
   }
 
 
+  {
+    name = ["boot" "localCommands"];
+    default = "";
+    example = "text=anything; echo You can put $text here.";
+    description = "
+      Shell commands to be executed just before Upstart is started.
+    ";
+  }
+
+
   { 
     name = ["networking" "hostName"];
     default = "nixos";

system/system.nix

@@ -248,7 +248,7 @@ rec {
   # The init script of boot stage 2, which is supposed to do
   # everything else to bring up the system.
   bootStage2 = import ../boot/boot-stage-2.nix {
-    inherit (pkgs) substituteAll coreutils 
+    inherit (pkgs) substituteAll writeText coreutils 
       utillinux kernel udev upstart;
     inherit activateConfiguration;
     readOnlyRoot = config.get ["boot" "readOnlyRoot"];
@@ -259,6 +259,7 @@ rec {
       pkgs.gnused
       pkgs.upstart
     ];
+    bootLocal = config.get ["boot" "localCommands"];
   };