Author: eelco
Date: Sat Apr 14 17:09:59 2012
New Revision: 33785
URL: https://nixos.org/websvn/nix/?rev=33785&sc=1

Log:
* Store the NixOS version in the top-level derivation.
* Change the name of the top-level derivation from "system" to
  "nixos-<version>".
* Show the NixOS version in the GRUB boot menu instead of the kernel
  version.

Modified:
   nixos/trunk/modules/installer/grub/grub-menu-builder.sh
   nixos/trunk/modules/system/activation/top-level.nix

Modified: nixos/trunk/modules/installer/grub/grub-menu-builder.sh
==============================================================================
--- nixos/trunk/modules/installer/grub/grub-menu-builder.sh     Sat Apr 14 
14:19:13 2012        (r33784)
+++ nixos/trunk/modules/installer/grub/grub-menu-builder.sh     Sat Apr 14 
17:09:59 2012        (r33785)
@@ -274,9 +274,10 @@
     | sed 's/system-\([0-9]\+\)-link/\1/' \
     | sort -n -r); do
     link=/nix/var/nix/profiles/system-$generation-link
-    date=$(stat --printf="%y\n" $link | sed 's/\..*//')
+    date=$(stat --printf="%y\n" $link | sed 's/\..*//' | sed 's/ .*//')
     kernelVersion=$(cd $(dirname $(readlink -f $link/kernel))/lib/modules && 
echo *)
-    addEntry "NixOS - Configuration $generation ($date - $kernelVersion)" 
$link "$generation ($date)"
+    nixosVersion=$(if [ -e $link/nixos-version ]; then cat 
$link/nixos-version; fi)
+    addEntry "NixOS - Configuration $generation ($date - 
${nixosVersion:-$kernelVersion})" $link "$generation ($date)"
 done
 
 

Modified: nixos/trunk/modules/system/activation/top-level.nix
==============================================================================
--- nixos/trunk/modules/system/activation/top-level.nix Sat Apr 14 14:19:13 
2012        (r33784)
+++ nixos/trunk/modules/system/activation/top-level.nix Sat Apr 14 17:09:59 
2012        (r33785)
@@ -120,9 +120,10 @@
       ln -s ${config.system.build.upstart} $out/upstart
       ln -s ${config.hardware.firmware} $out/firmware
 
-      echo "$kernelParams" > $out/kernel-params
-      echo "$configurationName" > $out/configuration-name
-      echo "${toString config.system.build.upstart.interfaceVersion}" > 
$out/upstart-interface-version
+      echo -n "$kernelParams" > $out/kernel-params
+      echo -n "$configurationName" > $out/configuration-name
+      echo -n "${toString config.system.build.upstart.interfaceVersion}" > 
$out/upstart-interface-version
+      echo -n "$nixosVersion" > $out/nixos-version
 
       mkdir $out/fine-tune
       childCount=0
@@ -145,7 +146,7 @@
   # script `switch-to-configuration' that activates the configuration
   # and makes it bootable.
   system = pkgs.stdenv.mkDerivation {
-    name = "system";
+    name = "nixos-${config.system.nixosVersion}";
     buildCommand = systemBuilder;
     inherit children;
     kernelParams =
@@ -153,6 +154,7 @@
     menuBuilder = config.system.build.menuBuilder;
     initScriptBuilder = config.system.build.initScriptBuilder;
     activationScript = config.system.activationScripts.script;
+    nixosVersion = config.system.nixosVersion;
 
     jobs = map (j: j.name) (attrValues config.jobs);
 
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