maven setup on mac

~/.bashrc
export M2_HOME=~/dev/maven3.2.1/
export PATH=$M2_HOME/bin:$PATH$

~/.bash_profile
if [ -f ~/.bashrc ]; then . ~/.bashrc; fi

download maven

~/.mavenrc
export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_55.jdk/Contents/Home/