rbenv-communal-gems ☆
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Description:
Share gems across multiple rbenv Ruby installs
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: ruby rbenv gems development package-management
Install: brew install rbenv-communal-gems
About:
rbenv-communal-gems enables sharing of a single, pre-installed set of Ruby gems across multiple rbenv-managed Ruby versions. This approach significantly reduces disk space usage and speeds up the installation process for new Ruby versions. It is particularly useful for developers who frequently test applications across different Ruby versions.
Key Features:
  • Shared gem directory across Ruby versions
  • Automatic gem rehashing on Ruby install/uninstall
  • Seamless integration with rbenv commands
  • Reduces redundant gem installations
Use Cases:
  • Managing gems for multiple Ruby versions without duplicating disk usage
  • Speeding up CI/CD pipelines that test against multiple Ruby versions
Alternatives:
  • rbenv-gemset – rbenv-gemset creates isolated gem environments per project, whereas rbenv-communal-gems shares gems globally across versions.
Version History
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