Automating Git Repository Setup and Updates

#!/bin/bash

# --- Configuration ---
REPO_URL="https://github.com/your-org/your-repo.git"
PROJECT_DIR="your-repo-name"

# --- Functions ---
clone_and_setup() {
    echo "Cloning repository: $REPO_URL into $PROJECT_DIR"
    git clone "$REPO_URL" "$PROJECT_DIR"
    
    if [ $? -ne 0 ]; then
        echo "Failed to clone repository. Exiting."
        exit 1
    fi
    
    cd "$PROJECT_DIR" || { echo "Failed to change directory."; exit 1; }
    
    echo "Installing dependencies (npm install)..."
    npm install
    
    if [ $? -ne 0 ]; then
        echo "Failed to install npm dependencies."
        exit 1
    }
    
    echo "Project setup complete for $PROJECT_DIR."
}

update_project() {
    if [ ! -d "$PROJECT_DIR" ]; then
        echo "Project directory '$PROJECT_DIR' not found. Please run setup first."
        exit 1
    }
    
    cd "$PROJECT_DIR" || { echo "Failed to change directory."; exit 1; }
    
    echo "Pulling latest changes from Git..."
    git pull origin main # Or your default branch
    
    if [ $? -ne 0 ]; then
        echo "Failed to pull latest changes."
        exit 1
    }
    
    echo "Installing/updating dependencies (npm install)..."
    npm install
    
    if [ $? -ne 0 ]; then
        echo "Failed to install/update npm dependencies."
        exit 1
    }
    
    echo "Project updated for $PROJECT_DIR."
}

# --- Main Execution ---
if [ -d "$PROJECT_DIR" ]; then
    read -p "Project directory '$PROJECT_DIR' already exists. Update it? (y/N) " -n 1 -r
    echo
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        update_project
    else
        echo "Operation cancelled."
        exit 0
    fi
else
    read -p "Project directory '$PROJECT_DIR' does not exist. Set it up? (y/N) " -n 1 -r
    echo
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        clone_and_setup
    else
        echo "Operation cancelled."
        exit 0
    fi
fi