* Installer fixes.

svn path=/nixos/trunk/; revision=7848

configuration/rescue-cd.nix

@@ -32,6 +32,7 @@ rec {
           job = "
             start on startup
             script
+              export PATH=${pkgs.gnutar}/bin:${pkgs.bzip2}/bin:$PATH
               mkdir -p /etc/nixos/nixos
               tar xjf /nixos.tar.bz2 -C /etc/nixos/nixos
               tar xjf /nixpkgs.tar.bz2 -C /etc/nixos

installer/nixos-installer.sh

@@ -28,7 +28,7 @@ if ! test -e "$mountPoint"; then
     exit 1
 fi
 
-if ! fgrep -q " $mountPoint " /proc/mounts; then
+if ! grep -F -q " $mountPoint " /proc/mounts; then
     echo "$mountPoint doesn't appear to be a mount point"
     exit 1
 fi