defaults = { 'apt': { # https://github.com/rbenv/ruby-build/wiki#ubuntudebianmint 'packages': { 'autoconf': {}, 'bison': {}, 'patch': {}, 'build-essential': {}, 'rustc': {}, 'libssl-dev': {}, 'libyaml-dev': {}, 'libreadline-dev': {}, 'zlib1g-dev': {}, 'libgmp-dev': {}, 'libncurses5-dev': {}, 'libffi-dev': {}, 'libgdbm6': {}, 'libgdbm-dev': {}, 'libdb-dev': {}, 'uuid-dev': {}, }, }, 'rbenv': set(), }