Updater script for usage in cron to update any project on remote machine. Just add it as * * * * * /opt/projects/project/updater.sh

updater.sh

#!/bin/bash

# Project settings
PROJECT_DIR="/opt/projects" # CHANGE PATH

# Function to log messages with date and time
log_message() {
    echo "[$(date +"%Y-%m-%d %H:%M:%S")] $1"
}

if [ ! -d "$PROJECT_DIR" ]; then
  echo "Directory $PROJECT_DIR does not exist."
  exit 1
fi

cd $PROJECT_DIR || { log_message "Failed to change directory to $REPO_DIR. Exiting..."; exit 1; }

if [ ! -d ".git" ]; then
  echo "Directory $PROJECT_DIR is not a git repository."
  exit 1
fi

BRANCH=$(git rev-parse --abbrev-ref HEAD)

# Fetch the latest changes from the remote repository
git fetch origin $BRANCH

LOCAL=$(git rev-parse HEAD)
REMOTE=$(git rev-parse origin/$(git rev-parse --abbrev-ref HEAD))

if [ "$LOCAL" != "$REMOTE" ]; then
  log_message "Changes detected in the repository. Updating..."
  git pull origin $BRANCH:refs/remotes/origin/$BRANCH
  
  # Do your things with project
else
  log_message "No changes detected in the repository."
fi