Earlier this afternoon I was working on a development server that has a web server, a PostgreSQL database, Ruby, and rubygems installed on it. I was curious to find out if a specific gem I was about to install had any dependencies or other gems that would also be installed as dependents of the gem I wanted to test. Below I describe how to find out the dependencies of a specific gem by querying the remote server but also how to download a specific gem version to see what gems are dependents.
While creating a development environment for a Ruby project earlier I ran into an error installing some of the gems required by the project. I realized that I had installed an older version of RubyGems which was causing problems with some of the gem dependents that needed to be installed. Below I list one of the examples of the errors I was running into and how I resolved the issue.