This was causing random failures in tests/ca/substitute.ca: 'nix copy --file ./content-addressed.nix' wouldn't get the default installable '.' applied in InstallablesCommand::load(), so it would do nothing.
This was causing random failures in tests/ca/substitute.ca: 'nix copy --file ./content-addressed.nix' wouldn't get the default installable '.' applied in InstallablesCommand::load(), so it would do nothing.