Get up and going in Rails

gistfile1.sh

# install textmate
https://github.com/textmate/textmate/downloads

# install command line tools for mountain lion
# need this for homebrew apparently
https://developer.apple.com/downloads/index.action

# change shell to zsh
# has better tab completion and makes terminal easier
chsh -s /bin/zsh

# install homebrew
# homebrew makes it easy to compile linux/unix shit
# http://mxcl.github.com/homebrew/
ruby <(curl -fsSkL raw.github.com/mxcl/homebrew/go)

# install git
# version control. lots of ruby shit relies on git
brew install git

# install rbenv
# a ruby version manager. makes it easy to install versions of ruby
brew install rbenv
brew install ruby-build

# rbenv might tell you do run something like this
# but we're using zsh so just copy this
# not 100% sure this will work
# afterwards, close your terminal window and open a new one, hopefully no errors come up
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.zshenv
echo 'eval "$(rbenv init -)"' >> ~/.zshenv
# might need to do this too
echo 'source $HOME/.zshenv' >> ~/.zshrc

# use rbenv to install latest ruby
rbenv install 1.9.3-p194

# set 1.9.3-p194 as default
rbenv global 1.9.3-p194

# check ruby version is 1.9.3-p194
# if anything doesn't work, reload your shell (close/open terminal window)
ruby -v

# install bundler and rails
gem install bundler
gem install rails

# make a folder in your home dir called Code
# all the cool kids do this
mkdir ~/Code

# go into that directory
cd ~/Code

# make a new rails app
rails new mydeadlyapp