In this, the first of another ongoing occasional series, I revisit an open-source application I started three years ago and begin to rewrite it. Part 1 focuses on building a proof-of-concept RubyGems plugin.
The source code for this episode can be found on GitHub: https://github.com/avdi/gem-love/tree/rubytapas-episode-039
How to write a RubyGem command plugin
RubyGems API documentation