gemspecs

I'm developing a gem, and my Gemfile looks like this: source :rubygems gemspec group :development, :test do gem "pry" gem "debugger" gem "rake" end However, I don't want people to have to install pry and debugger when running tests, but I also want to be able to require them in my tests (because I'm running tests prefixed with bundle exec , and I cannot get it them in my load path if they're not in the Gemfile). How do I achieve this? Also, when to put gems that I use for development in the gemspec, and when to put them in the Gemfile? I really don't know the difference. You can add gems to

Is there a clean way to extract the version string from a .gemspec file? (The gem is not yet installed) e.g. somethingcool.gemspec is Gem::Specification.new do |s| s.name = "somethingcool" s.version = "1.2.3" ... etc ... end I want to extract "1.2.3". I could grep it out but there must be a better way. require "rubygems" spec = Gem::Specification::load("example.gemspec") puts spec.version 来源： https://stackoverflow.com/questions/3262697/how-do-i-get-the-version-from-a-gemspec-file

Invalid gemspec in [/usr/lib/ruby/gems/1.8/specifications/activemodel-3.2.0.gemspec]: Illformed requirement ["#<YAML::Syck::DefaultKey:0xb5f9c990> 3.2.0"] From trying to do a sudo gem update for other issues getting this hundreds of time as sudo gem update goes through each gem and gets the message for most of them This can happen when upgrading to Rails 3.2 . Updating Rubygems should fix this issue. gem update --system Hope this helps. Rainer Blessing I still had the errors after updating the rubygem. Then I ran rvm gemset empty to delete the gems. This fixed it for me. datnt I had this issue

Is possible have a git branch dependency, inside mygem.gemspec? I'm thinking something similar to the following: gem.add_runtime_dependency 'oauth2', :git => 'git@github.com:lgs/oauth2.git' ... but it doesn't work. gtd This is not possible, and likely never will be because it would be rather heavy-handed for RubyGems to allow gem developers to require that users have a specific version control system installed to access a gem. Gems should be self-contained with a minimal number of dependencies so that people can use them in as wide an array of application as possible. If you want to do this