Git-push-current-branch script with safety-net

git-push.sh

#!/bin/bash

branch="$(git symbolic-ref HEAD 2>/dev/null)";
branch=${branch##refs/heads/};

echo "Command: git push origin $branch";

while true; do
  read -p "Is this correct? [yn] " yn
  case $yn in
    [Yy]* ) break;;
    [Nn]* ) exit;;
    * ) echo "Please answer y(es) or n(o).";;
  esac
done

git push origin $branch