This assert false could be reached by a certain combination of configuration (using one of the prefer/force preferences and having roots specified in a profile) and a command line invocation (on command line supplying roots and a profile or roots being included in the default profile).
This
assert false
could be reached by a certain combination of configuration (using one of the prefer/force preferences and having roots specified in a profile) and a command line invocation (on command line supplying roots and a profile or roots being included in the default profile).