A protection to not push code for main by accident

pre-push

#!/bin/bash
# Warn before pushing to protected branches
# - Make script executable with
#   chmod +x pre-push
# - Bypass with:
#   git push --no-verify
# - To add hooks on global configuration
#   git config --global core.hooksPath [path for folder with hooks]

# References:
#   - http://hammad.ca/blog/2015/03/08/confirm-before-pushing-to-master-branch
#   - https://eidson.info/post/global-hooks-with-git

BRANCH=$(git rev-parse --abbrev-ref HEAD)
PROTECTED_BRANCHES="^(master|main)"

if [[ "$BRANCH" =~ $PROTECTED_BRANCHES ]]; then
  read -p "Are you sure you want to push to \"$BRANCH\" ? (y/n): " -n 1 -r < /dev/tty
  echo
  if [[ $REPLY =~ ^[Yy]$ ]]; then
    exit 0
  fi
  echo "Push aborted."
  exit 1
fi
exit 0