Problem: nothing provides /usr/bin/ruby.ruby2.2 needed by ruby2.2-rubygem-bundler-1.15.0-1.2.x86_64
Solution 1: do not install ruby2.2-rubygem-bundler-1.15.0-1.2.x86_64
Solution 2: break ruby2.2-rubygem-bundler-1.15.0-1.2.x86_64 by ignoring some of its dependencies
See build https://travis-ci.org/jayvdb/docker-coala-base/builds/256346531
The source of problem and suggested solutions :