protected branches (git hook)

pre-commit

#!/bin/bash
protected_branches=( production master )

current_branch=$(git symbolic-ref HEAD | sed -e 's,.*/\(.*\),\1,')

for i in "${protected_branches[@]}"
do

protected_branch=$i

if [ $protected_branch = $current_branch ]
then
    read -p "You're about to push a protected branch, is that what you intended? [y|n] " -n 1 -r < /dev/tty
    echo
    if echo $REPLY | grep -E '^[Yy]$' > /dev/null
    then
        exit 0 # push will execute
    fi
    exit 1 # push will not execute
else
    exit 0 # push will execute
fi

https://coderwall.com/p/jp7d5q/create-a-global-git-commit-hook