raitisveinbahs|work/cakehr-rails master % bundix -l
Fetching gem metadata from https://rubygems.org/.......
Fetching gem metadata from https://rubygems.org/.
Could not find gem 'ruby (~> 2.3.3.0)' in the local ruby installation.
The source contains 'ruby' at: 2.5.3.105
Traceback (most recent call last):
        2: from /nix/store/r8g92812v9jdgv2bjixvsvnai34vlhb5-bundix-2.3.1/bin/.bundix-wrapped:18:in `<main>'
        1: from /nix/store/r8g92812v9jdgv2bjixvsvnai34vlhb5-bundix-2.3.1/bin/.bundix-wrapped:18:in `load'
/nix/store/r8g92812v9jdgv2bjixvsvnai34vlhb5-bundix-2.3.1/lib/ruby/gems/2.5.0/gems/bundix-2.3.1/bin/bundix:108:in `<top (required)>': bundle lock failed (RuntimeError)