* Fixed some installer bugs.

svn path=/nixos/trunk/; revision=7629

configuration/rescue-cd.nix

@@ -1,7 +1,7 @@
 rec {
 
   
-  nixpkgsRel = "nixpkgs-0.11pre7593";
+  nixpkgsRel = "nixpkgs-0.11pre7628";
 
 
   configuration = {
@@ -94,7 +94,7 @@ rec {
   # Get a recent copy of Nixpkgs.
   nixpkgsTarball = pkgs.fetchurl {
     url = configuration.installer.nixpkgsURL + "/" + nixpkgsRel + ".tar.bz2";
-    md5 = "fd443fb8b1c4d352d9a8b7d19dfb7c49";
+    md5 = "e7fe1793e69ff5072eb5987e7b7ccd47";
   };
 
 

installer/nixos-installer.sh

@@ -19,11 +19,27 @@ mountPoint="$1"
 nixosDir="$2"
 configuration="$3"
 
-if test ! -e "$mountPoint" -o ! -e "$nixosDir" -o ! -e "$configuration"; then
+if test -z "$mountPoint" -o -z "$nixosDir" -o -z "$configuration"; then
     echo "Syntax: installer.sh <targetRootDir> <nixosDir> <configuration>"
     exit 1
 fi
 
+if ! test -e "$mountPoint"; then
+    echo "mount point $mountPoint doesn't exist"
+    exit 1
+fi
+    
+if ! test -e "$nixosDir"; then
+    echo "NixOS source directory $nixosDir doesn't exist"
+    exit 1
+fi
+    
+if ! test -e "$configuration"; then
+    echo "configuration file $configuration doesn't exist"
+    exit 1
+fi
+    
+
 nixosDir=$(readlink -f "$nixosDir")
 configuration=$(readlink -f "$configuration")
 
@@ -124,8 +140,9 @@ mkdir -p $(dirname $targetConfig)
 if test -e $targetConfig -o -L $targetConfig; then
     cp -f $targetConfig $targetConfig.backup-$(date "+%Y%m%d%H%M%S")
 fi
-if 
-cp -f $configuration $targetConfig
+if test "$configuration" != "$targetConfig"; then
+    cp -f $configuration $targetConfig
+fi
 
 
 # Grub needs a mtab.

system/system.nix

@@ -155,6 +155,7 @@ rec {
     pkgs.less
     pkgs.lvm2
     pkgs.man
+    pkgs.mdadm
     pkgs.module_init_tools
     pkgs.nano
     pkgs.netcat