TL:D R;

I usually create a branch while working on a feature or bug. I found it helpful to add the following script to my path:

UPDATE: You can use bundler binstubs to squeeze a bit more performance

UPDATE: I no longer source my .env like described in this post. I now use direnv to setup per-project local environment, including sourcing .env. The described approach here could be exploited to do bad things to your system. Example attack: You clone a repo that includes a .env file, when you cd into the project, it changes your PATH to directory you’ve just cloned. That overrides ls or some other unix utility, which now takes over your system.

I recently setup a new Mac (running Lion) for development using jruby. As I have done many times in the past, I installed Xcode (4.4) and proceeded to install the command line tools. Next comes rvm, and we are humming along, until it complains that gcc-4.2 is not in my path. But it is. I can see it with gcc --version. In any case, the notes for rvm suggest using homebrew to install gcc-4.2 like so: