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instance method
Gem::UpdateSuggestion#update_suggestion
update_suggestion
lib/rubygems/update_suggestion.rb
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# File tmp/rubies/ruby-4.1.0-preview1/lib/rubygems/update_suggestion.rb, line 12
def update_suggestion
current = Gem.rubygems_version
latest = Gem.latest_rubygems_version
<<-MESSAGE
A new release of RubyGems is available: #{current} → #{latest}!
See https://github.com/ruby/rubygems/blob/v#{latest}/CHANGELOG.md for the changes since #{current}.
Run `gem update --system #{latest}` to update your installation.
MESSAGE
end
Message to promote available RubyGems update with related gem update command.