rvm install ruby-2.6.3
安装ruby报错
Error running 'env GEM_HOME=/Users/nick/.rvm/gems/ruby-2.0.0-p648@global GEM_PATH= /Users/nick/.rvm/rubies/ruby-2.0.0-p648/bin/ruby -d /Users/nick/.rvm/src/rubygems-2.7.2/setup.rb --no-document',
please read /Users/nick/.rvm/log/1510703598_ruby-2.0.0-p648/rubygems.install.log
可以尝试用 rvm install ruby-2.6.3 --rubygems ignore
来安装