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copied!<p>Similar to Jacob's answer, I'd recommend using <a href="https://rvm.io" rel="nofollow noreferrer">RVM</a>, but I'll expand on it. Here's some brainstorming ideas:</p> <p>RVM stores its sandbox in your home directory at <code>~/.rvm</code>. All Ruby instances, plus the associated gems will be stored there. It's a simple addition to the <code>~/.bashrc</code> file in your Mac to initialize RVM so it's known by the shell when you log into the account. It's also a simple <code>rm -rf ~/.rvm</code> from the commandline to remove the RVM sandbox from the account, followed by removing the line from the <code>~/.bashrc</code>. </p> <p>So, basically, by setting up RVM correctly and installing your Ruby installation on one machine, you're 90% of the way to having it available for multiple machines.</p> <p>I'm pretty sure Ruby will install without any dependencies on a current Mac OS using RVM, but there's a couple libraries that can improve the experience. After installing RVM, but before installing any Rubies, run <code>rvm notes</code>. That will show you what else to install. You'll need the current XCode to compile a Ruby, but only on the machine you do the compiling on. Once it's installed you should be able to move a RVM controlled Ruby around to other Macs by copying the <code>~/.rvm</code> directory. So, not only would you have the gems, you could have a particular version, or versions, of Ruby, plus the associated gems, so your regression tests could work too.</p> <p>If you use <a href="http://code.google.com/p/macvim/" rel="nofollow noreferrer">MacVim</a> you could install it in <code>~/bin</code> and have the GUI version. I haven't tried running it from there, but it seems like it'd work. You might need to create an alias from <code>/Applications</code> to the one in <code>~/bin</code> for double-clicking. </p> <p>MacVim comes with a shell script called <code>mvim</code> to launch it from the command-line. I have a bunch of softlinks to mine letting me call it from the command-line in various ways: <code>gvim</code>, and the gvim varients like <code>gvimdiff</code> and <code>gview</code>. You could do the same by adding <code>~/bin</code> to your <code>PATH</code> and making the links locally in that dir to MacVim's <code>mvim</code>.</p> <p>You could build a tarball of the vim config, vim installation and RVM sandbox, copy that to another Mac, expand it, add <code>~/bin</code> to your PATH and append the needed RVM initialization line in <code>~/.bashrc</code>, open a new command-line, and have your editor plus Ruby sandboxes. </p> <p>It's a minor variation on how my Mac and Linux boxes are set up. I haven't tried bundling everything together, but, on Macs that are the same OS version, it should work.</p>

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