From 58b29cd5655e0698464a8f92566f5f267b7a2f5b Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Sat, 23 Jun 2007 16:09:05 +0000
Subject: [PATCH] Added possibility to give configurations custom names.

svn path=/nixos/trunk/; revision=8915
---
 installer/grub-menu-builder.sh | 12 ++++++++++--
 system/options.nix             |  9 +++++++++
 system/system.nix              |  1 +
 system/system.sh               |  1 +
 4 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/installer/grub-menu-builder.sh b/installer/grub-menu-builder.sh
index a1afcf63bf2..7e1e6b4cad1 100644
--- a/installer/grub-menu-builder.sh
+++ b/installer/grub-menu-builder.sh
@@ -24,6 +24,7 @@ GRUBEND
 addEntry() {
     local name="$1"
     local path="$2"
+    local shortSuffix="$3"
 
     if ! test -e $path/kernel -a -e $path/initrd; then
         return
@@ -46,6 +47,13 @@ addEntry() {
         initrd=$initrd2
     fi
     
+    local confName=$(if test -e $path/configuration-name; then 
+	cat $path/configuration-name; 
+    fi);
+    if test -n "$confName" ; then
+	name="$confName $3";
+    fi;
+
     cat >> $tmp << GRUBEND
 title $name
   kernel $kernel systemConfig=$(readlink -f $path) init=$(readlink -f $path/init) $(cat $path/kernel-params)
@@ -61,7 +69,7 @@ fi
 
 
 if test -n "$tmp"; then
-    addEntry "NixOS - Default" $default
+    addEntry "NixOS - Default" $default ""
 fi
 
 
@@ -82,7 +90,7 @@ for generation in $(
     echo $generation
     link=/nix/var/nix/profiles/system-$generation-link
     date=$(stat --printf="%y\n" $link | sed 's/\..*//')
-    addEntry "NixOS - Configuration $generation ($date)" $link
+    addEntry "NixOS - Configuration $generation ($date)" $link "$generation ($date)"
 done
 
 
diff --git a/system/options.nix b/system/options.nix
index 8c276ae24cf..2379fa0aaf0 100644
--- a/system/options.nix
+++ b/system/options.nix
@@ -66,6 +66,15 @@
 	";
   }
 
+  {
+	name = ["boot" "configurationName"];
+        default = "";
+        example = "Stable 2.6.21";
+        description = "
+	Grub entry name instead of default.
+	";
+  }
+
   {
     name = ["boot" "kernelParams"];
     default = [
diff --git a/system/system.nix b/system/system.nix
index 75630e44777..a5a44f04015 100644
--- a/system/system.nix
+++ b/system/system.nix
@@ -327,6 +327,7 @@ rec {
       pkgs.diffutils
       pkgs.upstart # for initctl
     ];
+    configurationName = config.get ["boot" "configurationName"];
   };
 
 
diff --git a/system/system.sh b/system/system.sh
index 321260777e3..0df4273e5a2 100644
--- a/system/system.sh
+++ b/system/system.sh
@@ -11,6 +11,7 @@ ln -s $etc/etc $out/etc
 ln -s $systemPath $out/sw
 
 echo "$kernelParams" > $out/kernel-params
+echo "$configurationName" > $out/configuration-name
 
 cat > $out/menu.lst << GRUBEND
 kernel $kernel init=$bootStage2 $kernelParams