A script to set up my Ruby development environment on Lion

setup-development-environment.sh

# Install Homebrew
echo "Installing Homebrew..."
sudo mkdir /usr/local
sudo chown -R $USER /usr/local
curl -Lsf http://github.com/mxcl/homebrew/tarball/master | \
tar xvz -C/usr/local --strip 1

# Install Git
echo "Install Git..."
brew install git

# Make sure Homebrew is up to date
echo "Updating Homebrew..."
brew update

# Install WGET
echo "Installing WGET..."
brew install wget

# Install MySQL
echo "Installing MySQL..."
brew install mysql

# Setup the LaunchAgents directory
echo "Creating the LaunchAgents directory..."
mkdir -p ~/Library/LaunchAgents

# Configure MySQL
echo "Configuring MySQL..."
unset TMPDIR
mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp

# Launch MySQL at startup
echo "Adding MySQL to LaunchAgents..."
cp /usr/local/Cellar/mysql/5.5.14/com.mysql.mysqld.plist ~/Library/LaunchAgents/
launchctl load -w ~/Library/LaunchAgents/com.mysql.mysqld.plist

# Install ImageMagick
echo "Installing ImageMagick..."
brew install imagemagick

# Install RVM
echo "Installing RVM..."
bash < <(curl -s https://rvm.beginrescueend.com/install/rvm)
echo '[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"' >> ~/.zshrc
source ~/.zshrc

# Install REE
echo "Installing REE..."
CC=/usr/bin/gcc-4.2 rvm install ree

# Install global gems
echo "Installing global gems for REE..."
rvm ree@global
env ARCHFLAGS="-arch x86_64" gem install mysql --no-ri --no-rdoc
gem install rmagick --no-ri --no-rdoc

# Install 1.9.2
echo "Installing 1.9.2..."
CC=/usr/bin/gcc-4.2 rvm install 1.9.2

# Install global gems
echo "Installing global gems for 1.9.2..."
rvm 1.9.2@global
env ARCHFLAGS="-arch x86_64" gem install mysql --no-ri --no-rdoc
gem install rmagick --no-ri --no-rdoc
gem install bundler --no-ri --no-rdoc

# Set default RVM
echo "Setting default RVM Ruby..."
rvm use ree --default

# Install POW!
echo "Installing POW!..."
curl get.pow.cx | sh

# Install oh-my-zsh
echo "Installing oh-my-zsh..."
wget --no-check-certificate https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | sh
source ~/.zshrc

echo "Done!"