Confirm before pushing to production repositories. Place in .git/hooks/ and make executable

pre-push

#!/bin/bash

if [[ "$1" =~ "production" ]]; then
  read -a array
  pushed_ref=${array[1]}
  remote_ref=${array[3]}

  echo
  echo "# Commits:"
  git log --oneline $remote_ref...$pushed_ref

  echo
  echo
  read -p "Really push to production? If yes, type 'production' " -r < /dev/tty
  echo
  if [[ $REPLY = 'production' ]]; then
    exit 0
  else
    exit 1
  fi
else
  exit 0 # push will execute
fi