chruby ☆

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Description:
Ruby environment tool

Type: Formula | Latest Version: 0.3.9@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: ruby version-manager development environment

Install: brew install chruby

About:
chruby is a tool for switching between multiple installed Ruby versions. It works by modifying the PATH environment variable to point to the desired Ruby installation. This provides a lightweight and simple way to manage different Ruby environments without requiring shell rehashing.

Key Features:

Lightweight and dependency-free
Changes the active Ruby by modifying PATH
Supports auto-switching based on .ruby-version files
Simple shell integration via sourcing scripts

Use Cases:

Managing multiple Ruby versions (e.g., MRI, JRuby) on a single machine
Switching Ruby versions per-project for compatibility testing
Ensuring consistent Ruby environments across development teams

Alternatives:

rbenv – Similar functionality, but uses shims and requires rehashing after installing new gems.
RVM – More feature-rich (includes gemsets), but heavier and modifies the shell more extensively.

License: MIT

Bottles available for: all

Important Notes:

Add the following to the ~/.bash_profile or ~/.zshrc file:
  source $HOMEBREW_PREFIX/opt/chruby/share/chruby/chruby.sh

To enable auto-switching of Rubies specified by .ruby-version files,
add the following to ~/.bash_profile or ~/.zshrc:
  source $HOMEBREW_PREFIX/opt/chruby/share/chruby/auto.sh

Version History

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