ruby on rails - Use 2 versions of gem at same time -


can use 2 versions of gem in 1 application? i'm trying use 2 rails plugins work together:

  1. pengwynn's linkedin https://github.com/pengwynn/linkedin linkedin api calls, has dependency on oauth (~> 0.3.5)
  2. omniauth user login via multiple well-known websites, has dependency on oauth 0.4.0

when try in rails error message:

$ rails server c:/ruby187/lib/ruby/gems/1.8/gems/bundler-1.0.7/lib/bundler/resolver.rb:129:in `resolve': bundler not find compatible versions gem "oauth": (bundler::versionconflict)   in snapshot (gemfile.lock):     oauth (0.4.4)    in gemfile:     linkedin depends on       oauth (~> 0.3.5)  running `bundle update` rebuild snapshot scratch, using gems in gemfile, may resolve conflict.

trying bundle update freezes terminal

is possible use these both plugins @ same time?

using 2 versions of single gem means: use 2 versions of same class.

it's not possible without making modifications these gems. may try place created classes in module, resolve conflicts in methods imported other classes, , on. in general, not easy task, , effect not worth it.

what should in such cases ask gem maintainers update dependencies, or try yourself.

maybe can downgrade (use older version of) 1 of these gems, version in dependencies same.


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