Updates Elixir-lang to the master version.

update-elixir.sh

#!/bin/bash
GITHUB_RO_DIRECTORY="$HOME/github/others"
BIN_DIRECTORY="/usr/local/bin"
GITHUB_URL="git://github.com/elixir-lang/elixir.git"
mkdir -p $GITHUB_RO_DIRECTORY > /dev/null
mkdir -p $BIN_DIRECTORY > /dev/null

cd $GITHUB_RO_DIRECTORY

[[ ! -d ./elixir ]] && git clone $GITHUB_URL

cd elixir

git pull $GITHUB_URL

make clean && make

cd bin
find . -not -name '*.bat' -not -name "*.dump" -not -name "." -exec ln -fs `pwd`/{} ${BIN_DIRECTORY}/{} \;

echo -n "= Elixir is up to date = "
date