#!/bin/bash

while true; do

  # Fetch environment variables
  repo_url=$REPO_URL
  copy_dir=$COPY_DIR
  ntfy_url=$NTFY_URL
  git_username=$GIT_USERNAME
  git_password=$GIT_PASSWORD

  # Set Git credentials
  git config --global credential.helper 'store --file /tmp/git-credentials'
  echo "url=$repo_url" > /tmp/git-credentials
  echo "username=$git_username" >> /tmp/git-credentials
  echo "password=$git_password" >> /tmp/git-credentials

  # Navigate to the watcher directory
  cd /root/Repo_Watcher

  # Clone the repo if it doesn't exist
  if [ ! -d "repo" ]; then
    git clone $repo_url repo
  fi

  cd repo

  # Fetch the latest changes
  git fetch origin main

  # Check if the local repository is behind the remote
  LOCAL=$(git rev-parse @)
  REMOTE=$(git rev-parse @{u})
  BASE=$(git merge-base @ @{u})

  if [ $LOCAL = $REMOTE ]; then
      echo "Up-to-date"
  elif [ $LOCAL = $BASE ]; then
      echo "Need to pull"
      git pull origin main
      rsync -av --delete ./ $copy_dir
      curl -d "Data updated from Git repo" $ntfy_url
  elif [ $REMOTE = $BASE ]; then
      echo "Need to push"
  else
      echo "Data diverged"
  fi

  # Wait for 5 seconds before the next iteration
  sleep 5

done