From 3abf5072ce45d8e90dc7b162f1fcf84cec20a88e Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 4 Jan 2008 16:11:12 +0000
Subject: [PATCH] * Installation CD: start a web browser showing the NixOS
 manual on   tty7. * Add w3m to the installation CD's path since it's needed
 for the   manual anyway.

svn path=/nixos/trunk/; revision=10074
---
 configuration/rescue-cd.nix | 25 ++++++++++++++++++++-----
 system/options.nix          | 13 +++++++++++++
 upstart-jobs/default.nix    |  5 +++--
 3 files changed, 36 insertions(+), 7 deletions(-)

diff --git a/configuration/rescue-cd.nix b/configuration/rescue-cd.nix
index 6ec96175645..5640777bada 100644
--- a/configuration/rescue-cd.nix
+++ b/configuration/rescue-cd.nix
@@ -14,6 +14,7 @@ rec {
       readOnlyRoot = true;
       # The label used to identify the installation CD.
       rootLabel = "NIXOS";
+      extraTTYs = [7 8]; # manual, rogue
     };
     
     services = {
@@ -43,6 +44,15 @@ rec {
           ";
         }
       
+        # Show the NixOS manual on tty7.
+        { name = "manual";
+          job = "
+            start on udev
+            stop on shutdown
+            respawn ${pkgs.w3m}/bin/w3m ${import ../doc/manual}/manual.html < /dev/tty7 > /dev/tty7 2>&1
+          ";
+        }
+
         # Allow the user to do something useful on tty8 while waiting
         # for the installation to finish.
         { name = "rogue";
@@ -57,6 +67,13 @@ rec {
       # And a background to go with that.
       ttyBackgrounds = {
         specificThemes = [
+          { tty = 7;
+            # Theme is GPL according to http://kde-look.org/content/show.php/Green?content=58501.
+            theme = pkgs.fetchurl {
+              url = http://www.kde-look.org/CONTENT/content-files/58501-green.tar.gz;
+              sha256 = "0sdykpziij1f3w4braq8r8nqg4lnsd7i7gi1k5d7c31m2q3b9a7r";
+            };
+          }
           { tty = 8;
             theme = pkgs.fetchurl {
               url = http://www.bootsplash.de/files/themes/Theme-GNU.tar.bz2;
@@ -86,6 +103,7 @@ rec {
       extraPackages = pkgs: [
         pkgs.vim
         pkgs.subversion # for nixos-checkout
+        pkgs.w3m # needed for the manual anyway
       ];
     };
    
@@ -99,7 +117,7 @@ rec {
 
 
   pkgs = system.pkgs;
-  
+
 
   # Since the CD is read-only, the mount points must be on disk.
   cdMountPoints = pkgs.runCommand "mount-points" {} "
@@ -176,10 +194,7 @@ rec {
       { source = pkgs.memtest86 + "/memtest.bin";
         target = "boot/memtest.bin";
       }
-      { source = pkgs.fetchurl {
-          url = http://www.gnome-look.org/CONTENT/content-files/36909-soft-tux.xpm.gz;
-          sha256 = "14kqdx2lfqvh40h6fjjzqgff1mwk74dmbjvmqphi6azzra7z8d59";
-        };
+      { source = system.config.boot.grubSplashImage;
         target = "boot/background.xpm.gz";
       }
       { source = cdMountPoints;
diff --git a/system/options.nix b/system/options.nix
index e99ab54d2b0..177d223d9f6 100644
--- a/system/options.nix
+++ b/system/options.nix
@@ -234,6 +234,19 @@
       ";
     };
 
+    extraTTYs = mkOption {
+      default = [];
+      example = [8 9];
+      description = "
+        Tty (virtual console) devices, in addition to the consoles on
+        which mingetty and syslogd run, that must be initialised.
+        Only useful if you have some program that you want to run on
+        some fixed console.  For example, the NixOS installation CD
+        opens the manual in a web browser on console 7, so it sets
+        <option>boot.extraTTYs</option> to <literal>[7]</literal>.
+      ";
+    };
+
   };
 
 
diff --git a/upstart-jobs/default.nix b/upstart-jobs/default.nix
index 24511ddb72e..6fceee08cfe 100644
--- a/upstart-jobs/default.nix
+++ b/upstart-jobs/default.nix
@@ -9,8 +9,9 @@ let
   optional = cond: service: pkgs.lib.optional cond (makeJob service);
 
   requiredTTYs =
-    (config.services.mingetty.ttys)
-    ++ [10] /* !!! sync with syslog.conf */ ;
+    config.services.mingetty.ttys
+    ++ config.boot.extraTTYs
+    ++ [config.services.syslogd.tty];
 
     
   jobs = map makeJob [