Blocks commits to master unless `-n` flag is provided

master-commit-check

#!/bin/bash
# Stops accidental commits to master. Adapted from https://gist.github.com/ColCh/9d48693276aac50cac37a9fce23f9bda
# Install in project:
# install or symlink at .git/hooks/pre-commit
# chmod +x .git/hooks/pre-commit

#!/bin/bash
protected_branch='master'
current_branch=$(git symbolic-ref HEAD | sed -e 's,.*/\(.*\),\1,')

if [ $protected_branch = $current_branch ]
then

    echo -en "\033[31mCommit to master? [y|n] \033[0m"
    echo -en "\033[1m"
    read -n 1 -r < /dev/tty
    echo -en "\033[0m"

    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