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rubyrspecrubygemsbundlerrspec-rails

Using a prerelease gem to satisfy a transitive dependency with Bundler

I'm using RSpec with Guard, and targeting RSpec 3.0.0.rc1. guard-rspec has the following in its gemspec:

s.add_dependency 'rspec', '>= 2.14', '< 4.0'

and in my Gemfile, I am specifying:

gem 'guard-rspec', require: false
gem 'rspec-rails', '~> 3.0.0.rc1'

When I run bundle update, I get the following output:

Bundler could not find compatible versions for gem "rspec-expectations":
  In Gemfile:
    rspec (< 4.0, >= 2.14) ruby depends on
      rspec-expectations (~> 2.14.0) ruby

    rspec-rails (~> 3.0.0.rc1) java depends on
      rspec-expectations (3.0.0.rc1)

How can I make this configuration resolve properly?

Solution

  • You should also add gem 'rspec', '~> 3.0.0.rc1' to your Gemfile