if [ -d ~/.oh-my-zsh ]
 then
   echo "You already have Oh My Zsh installed. You'll need to remove ~/.oh-my-zsh if you want to install"
   exit
 fi
 

 echo "Cloning Oh My Zsh..."
 /usr/bin/env git clone git://github.com/robbyrussell/oh-my-zsh.git ~/.oh-my-zsh
 

 echo "Looking for an existing zsh config..."

 if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]

 then
   echo "Found ~/.zshrc. Backing up to ~/.zshrc.pre-oh-my-zsh";
   cp ~/.zshrc ~/.zshrc.pre-oh-my-zsh;
   rm ~/.zshrc;
 fi
 

 echo "Using the Oh My Zsh template file and adding it to ~/.zshrc"
 cp ~/.oh-my-zsh/templates/zshrc.zsh-template ~/.zshrc

 echo "Copying your current PATH and adding it to the end of ~/.zshrc for you."
 echo "export PATH=$PATH" >> ~/.zshrc
 

 echo "Time to change your default shell to zsh!"

 chsh -s "/usr/bin/env zsh"

 echo '         __                                     __  '
 echo '  ____  / /_     ____ ___  __  __   ____  _____/ /_ '
 echo ' / __ \/ __ \   / __ `__ \/ / / /  /_  / / ___/ __ \ '
 echo '/ /_/ / / / /  / / / / / / /_/ /    / /_(__  ) / / / '
 echo '\____/_/ /_/  /_/ /_/ /_/\__, /    /___/____/_/ /_/  '
 echo '                        /____/'
 
 echo "\n\n ....is now installed."

 /usr/bin/env zsh

 source ~/.zshrc