168fe999e7
Ensure that archive members are added in sorted order with a fixed
mtime. This allows `nix-build --check` to succeed (when building a
tarball of a simple system configuration).
We also remove env-vars which doesn't appear to do much apart from
capture a bunch of store paths we probably don't want.
This is an alternative to
4b78a5b5fb
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.