Git pre-push hook that prevents pushing directly to master branch

pre-push

#!/bin/sh
 
# ---------------------------------------------------------------------------- #
# Filename:      .git/hooks/pre-push                                           #
# Description:   Git pre-push hook that prevents pushing directly to master    #
#                branch                                                        #
# Created by:    Nano Taboada <nanotaboada@msn.com>                            #
# Version:       0.1.0                                                         #
# License:       http://opensource.org/licenses/MIT                            #
# Last updated:  Jun 30, 2015                                                  #
# ---------------------------------------------------------------------------- #
 
BRANCH=`git rev-parse --abbrev-ref HEAD`
 
if [ "${BRANCH}" == "master" ]; then
    echo >&2 "[ERROR] Invalid operation! Cannot push directly to "${BRANCH}"."
    echo >&2 "[ERROR] Please create a Pull Request instead. If you need help visit:"
    echo >&2 "[ERROR] https://www.atlassian.com/git/tutorials/making-a-pull-request"
    exit 1
fi
 
exit 0