はー、どうすれば #CodePiece

CodePiece.text

$ be ruby -e"require 'cfpropertylist';  require 'open3'; puts Open3.capture3('/Applications/Xcode.app/Contents/Developer/usr/bin/ipatool')"                          (git)-[master] -
ruby 2.0.0p648 (2015-12-16 revision 53162) [universal.x86_64-darwin15]
/Users/kstg2/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/spec_set.rb:95:in `block in materialize': Could not find CFPropertyList-2.3.3 in any of the sources (Bundler::GemNotFound)
        from /Users/kstg2/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/spec_set.rb:88:in `map!'
        from /Users/kstg2/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/spec_set.rb:88:in `materialize'
        from /Users/kstg2/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/definition.rb:140:in `specs'
        from /Users/kstg2/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/definition.rb:185:in `specs_for'
        from /Users/kstg2/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/definition.rb:174:in `requested_specs'
        from /Users/kstg2/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/environment.rb:19:in `requested_specs'
        from /Users/kstg2/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/runtime.rb:14:in `setup'
        from /Users/kstg2/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler.rb:95:in `setup'
        from /Users/kstg2/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bundler-1.12.5/lib/bundler/setup.rb:19:in `<top (required)>'
        from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
pid 85287 exit 1