[Nix-dev] nixos-rebuild switch; readlink missing operand

[x1n4u]

Hello Everyone,
as some of you might have seen in the IRC, I got a problem with
'nixos-rebuild'.
Goibhniu tried to help me, but due to some other issues I couldn't
respond to him.

The Problem is as follows:
every time I try to run nixos-rebuild switch or test I get the following
error:

sudo nixos-rebuild test
building Nix...
building the system configuration...
activating the configuration...
setting up /etc...
readlink: missing operand
Try 'readlink --help' for more information.

under this pastebin http://pastebin.com/aafFS40u you can find a more
detailed example with --verbose and --show-trace

I'm running nixos on unstable with lvm/btrfs as filesystem
17.03pre96799.571cf4f2 (Gorilla)

You can find my latest config on GitHub under
https://github.com/x1n4u/nixos-config


Greez x1n4u
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