macos – New Ruby on Rails Setup : Expected string default value for –rc; got false (boolean)

macos – New Ruby on Rails Setup : Expected string default value for –rc; got false (boolean)

Its due to a change in the latest version of Thor. https://github.com/erikhuda/thor/blob/master/CHANGELOG.md#0192-release-2016-11-26. Rails 5 is not affected. You can ignore the warning on Rails 4 and earlier.

I had the same issue with Rails 4.2.7, set up with RubyMine 7.1.3.

Adding gem thor, 0.19.1 to my Gemfile and then running bundle update thor fixed the issue.

macos – New Ruby on Rails Setup : Expected string default value for –rc; got false (boolean)

I finally got past this error by installing thor-0.19.4.

gem install thor-0.19.4

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