assumed to be in /etc/nixos/nixos and the system configuration in
/etc/nixos/configuration.nix. This is overridable through a few
environment variables.
* Installer: check that the mount point does in fact have a file
system mounted on it (so that we don't install in an empty /mnt),
and don't unmount afterwards for symmetry.
svn path=/nixos/trunk/; revision=7845
/ burn a CD, namely by making a loopback target file system.
* Installer: continue if the MANIFEST on the CD is missing (useful if
we're not actually installing from a CD).
svn path=/nixos/trunk/; revision=7843
installation to prevent horrible accidents.
* Add the kernel parameters to isolinux.cfg.
* Use useradd/groupadd to create users/groups; use Glibc's getent to
check for existence.
* Create the root account properly.
svn path=/nixos/trunk/; revision=7357
