Vagrantプロビジョニング用シェルスクリプト が、26行目の処理あたりで止まる。原因不明・・・

bootstrap.sh

#!/usr/bin/env bash


apt-get update
apt-get upgrade
apt-get install -y apache2
#rm -rf /var/www
#ln -fs /vagrant /var/www

apt-get install vim

# install libralies for buiding Ruby
apt-get -y install gcc
apt-get -y install make
apt-get -y install gcc-c++
apt-get -y install zlib-devel
apt-get -y install httpd-devel
apt-get -y install openssl-devel
apt-get -y install curl-devel
apt-get -y install sqlite-devel

# install git
apt-get -y install git
git clone git://github.com/sstephenson/ruby-build.git
cd ruby-build
./install.sh

# install rbenv
git clone git://github.com/sstephenson/rbenv.git ~/.rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
source ~/.bashrc
exec $SHELL -l
rbenv install -l
rbenv install 2.0.0-p247;rbenv rehash
rbenv global 2.0.0-p247;rbenv rehash

# install Rails
gem install sqlite3;rbenv rehash
gem install rdoc
gem install rails
rbenv rehash
rails -v