Disable commits to master

pre-commit.bash

#!/bin/bash

if [[ `git symbolic-ref HEAD` == "refs/heads/master" ]]
then
   if [[ ! -f /tmp/master_commit ]]
   then
    echo "*************************"
    echo "CANNOT COMMIT TO MASTER!"
    echo "To override this behavior"
    echo "touch /tmp/master_commit"
    echo "*************************"
    exit 1
   else
    echo "Removing /tmp/master_commit"
    rm /tmp/master_commit
   fi
fi