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copied!<p>I'll take a run at this question since I use Chruby and Chgems. I am on Mac OS X, and I have chruby installed via Homebrew. </p> <p>In my <code>.bashrc</code> file:</p> <pre><code>source /usr/local/share/chruby/chruby.sh chruby ruby-2.0.0-p195 </code></pre> <p>The source line is part of <a href="https://github.com/postmodern/chruby#configuration">configuration</a> for Chruby.</p> <p>The second line sets a <a href="https://github.com/postmodern/chruby#default-ruby">default version</a> of Ruby for my system (in my case Ruby 2.0.0). <strong>Note:</strong> As of Chruby 0.3.6 this belongs in <code>.bashrc</code> instead of <code>.bash_profile</code>.</p> <p>In my <code>.bash_profile</code>:</p> <pre><code>source /usr/local/share/chruby/auto.sh </code></pre> <p>This line sets <a href="https://github.com/postmodern/chruby#auto-switching">Auto-switching</a> feature in Chruby.</p> <p>I still have some projects using Ruby 1.9.3 so for those apps I have a <code>.ruby-version</code> file in the root of the app. with one line <code>ruby-1.9.3</code></p> <hr> <p>When you cd into the directory for your app, type <code>chgems</code> and then you can bundle install and what not. You can confirm things are working by entering <code>gem env</code></p> <p>To make my life easier I added .bash_aliases for example: <code>alias myapp='cd ~/Sites/myapp && chgems'</code></p> <hr> <p>I have been using these together for several months now and really like the combination and yes from what I can tell Chgems does a great job replicating the gemset feature of RVM. I highly recommend you read the docs for both <a href="https://github.com/postmodern/chruby">Chruby</a> and <a href="https://github.com/postmodern/chgems">Chgems</a> projects as this is all covered. In your case, you may not want to set a default Ruby and just use .ruby-version to set it for each app.</p>

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