install arcanist (OSX)

install_arcanist.bash

#!/bin/bash
dir="~/Applications/arcanist/"
eval dir=$dir
if [ -d "$dir" ]; then
  printf "arc already installed. Remove and install again? (y/n) "
  read answer
  if [ "$answer" != "y" ]; then
  	exit
  fi
  rm -fR "$dir"
fi
mkdir -p ~/Applications/arcanist
pushd ~/Applications/arcanist > /dev/null
git clone git://github.com/facebook/libphutil.git
git clone git://github.com/facebook/arcanist.git
ln -Fs ~/Applications/arcanist/arcanist/bin/arc /usr/local/bin/arc 
popd
echo "installed!"
echo
echo -e "if this is your first time, run \033[92marc install-certificate\033[0m in your project's directory"