
The `| tee` invocation always masked the return value of the switch-to-configuration test. ``` ~ $ false | tee && echo "oh no" oh no ``` The added wrapper script will still output everything to stderr, while passing failures to the test harness.
*** 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.