pre-push-production.sh

#!/bin/bash

# how to use this:
# put the content to path :  `.git/hooks/pre-push`
# make is excecutable:   `chmod +x .git/hooks/pre-push`
# reinitialize the git: `git init`

# shellcheck disable=SC2162
# shellcheck disable=SC2034
if read local_ref local_sha remote_ref remote_sha; then
    if [[ "$remote_ref" == *"_production"* ]]; then
        echo -en "\033[1;33mYou're about to push to production, is that what you intended? [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
    fi
fi