使用 gem 安装 ruby 的包时如何显示进度？

Question

gem install XXX

好慢啊，是么都不显示，怎么看进度呢？

Answer 1

Use --verbose to view the output information, which can be used as a progress

gem install --verbose sqlite3

Answer 2

gem install xxx -V

Or write gem: -V --no-ri --no-rdoc

in ~/.gemrc file