#!/bin/bash

LOCKFILE="/tmp/git_pull_lock"

if [ -f "$LOCKFILE" ]; then
    echo "Script is already running. Exiting."
    exit 1
fi

touch "$LOCKFILE"

trap 'rm -f "$LOCKFILE"' EXIT

while true; do
    output=$(git pull 2>&1)

    # Check if git pull actually fetched changes
    if echo "$output" | grep -q "Already up[[:space:]]*to[[:space:]]*date\|up-to-date"; then
        echo "No changes. $(date)"
    else
        echo "Changes pulled. $(date)"
        echo "$output"
        ./start.sh
    fi

    sleep 60
done