oh-my-zsh upgrade problem
Oh-My-ZSH upgrade issue with bad substitution message
Any problem with automatic Oh-My-Zsh upgrade?
Last login: Mon May 13 13:57:50 2013 from ifusio.com [Oh My Zsh] Would you like to check for updates? Type Y to update oh-my-zsh: y /home/thomas/.oh-my-zsh/tools/upgrade.sh: 2: Bad substitution
Simply do :
cd ~/.oh-my-zsh git pull
upgrade_oh_my_zsh
And everything should be OK!