zsh環境整えるシェルスクリプトLion用

inisitalize_environment.sh

#!/bin/bash

echo "\033[1;36m===>\033[0;39m \033[1mInstalling homebrew\033[0;39m"
ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go)"
echo "\033[1;36m===>\033[0;39m \033[1mInstalling tmux\033[0;39m"
brew install tmux
echo "\033[1;36m===>\033[0;39m \033[1mInstalling zsh\033[0;39m"
brew install zsh
echo "\033[1;36m===>\033[0;39m \033[1mEditing /etc/shells\033[0;39m"
sudo sh -c "echo '/usr/local/bin/zsh' >> /etc/shells"
echo "\033[1;36m===>\033[0;39m \033[1mChanging login shell\033[0;39m"
chpass -s /usr/local/bin/zsh
echo "\033[1;31m===>\033[0;39m \033[1mNow reboot (y/n)\033[0;39m"
while :
do
read ans
if [ $ans ] ; then
case "$ans" in
'y' ) echo "\033[1;36m===>\033[0;39m \033[1mInstall succeeded.\033[0;39m"
sleep 1
sudo reboot
break ;;
'n' ) echo "\033[1;33m===>\033[0;39m \033[1mWARNING: you should reboot right now.\033[0;39m"
break ;;
* ) echo "\033[1;33m===>\033[0;39m \033[1mPlease type \"y\" or \"n\". \033[0;39m" ;;
esac
else
echo "\033[1;33m===>\033[0;39m \033[1mNo character input.\033[0;39m"
fi
done