A deep dive into how Ruby gems actually work under the hood, covering the full installation lifecycle: how the compact index maps a gem name to a downloadable URL, the internal structure of .gem files (nested tarballs with metadata.gz, data.tar.gz, and checksums), where files get placed on disk in the RubyGems directory layout,
Table of contents
It’s more complicated than it soundsHow does a name become a .gem URL?What exactly is in a gem?What gets unpacked, and where?How does require find a gem?Gem installed, congratulationsSort: