init.sh

#!/bin/bash
# filepath: /home/ubuntu/Documents/studio/embedded-linux-buildroot/embedded-linux-buildroot/init.sh

set -e

echo "------------------------------------------------"
echo "  Buildroot Build Environment Initializer       "
echo "                                                "
echo "  Version 1.0 - 28/06/2025                      "
echo "  Developed by Walid Amriou                     "
echo "------------------------------------------------"

echo "--> Starting Buildroot environment setup"

# Update package lists
echo "--> Updating package lists"
sudo apt update

# Install required packages
echo "--> Installing required packages: build-essential, git, bc, bison, flex, unzip, wget, cpio, python3, rsync, file"
sudo apt install -y build-essential git bc bison flex unzip wget cpio python3 rsync file

# Check for sudo rights
if [[ $EUID -ne 0 ]]; then
    echo "--> You are not running as root. Sudo will be used for privileged commands."
fi

# Check if Buildroot submodule exists
if [ ! -d "./buildroot" ]; then
    echo "--> Initializing Buildroot submodule"
    git submodule update --init --recursive
else
    echo "--> Buildroot submodule already initialized"
fi

# Advise user to configure git identity if not set
GIT_NAME=$(git config --get user.name || true)
GIT_EMAIL=$(git config --get user.email || true)
if [[ -z "$GIT_NAME" || -z "$GIT_EMAIL" ]]; then
    echo "--> WARNING: Git user.name and/or user.email not set."
    echo "--> Please set them with:"
    echo "    git config --global user.name \"Your Name\""
    echo "    git config --global user.email \"you@example.com\""
fi

echo "--> Buildroot environment setup complete. You can now run ./build.sh"