
The old `cp` suffers from a permission issue on the 2nd start of the service. The files were copied from the read-only nix store. On the 2nd start of the service the `cp` failed. The new version force creates a symlink which does not suffer from this.
*** 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.