Script to install and build crosvm (with gpu mode) on a fresh install of debian 12

build_crosvm.sh

#!/bin/bash

# Exit on any error
set -e

# Function to print status messages
print_status() {
    echo "===> $1"
}

# Check if running as root
if [ "$EUID" -eq 0 ]; then 
    echo "Please do not run as root. The script will use sudo when needed."
    exit 1
fi

# Update system and install dependencies
print_status "Updating system and installing dependencies..."
sudo apt update
sudo apt upgrade -y
sudo apt install -y git build-essential pkg-config libwayland-dev libdrm-dev \
    libgbm-dev libvirglrenderer-dev libepoxy-dev libx11-dev libgles2-mesa-dev \
    libegl1-mesa-dev libcap-dev clang libclang-dev llvm-dev \
    wayland-protocols libwayland-bin curl

# Install Rust if not already installed
if ! command -v rustc &> /dev/null; then
    print_status "Installing Rust..."
    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
    source $HOME/.cargo/env
else
    print_status "Rust is already installed"
fi

# Create working directory
WORK_DIR="$HOME/crosvm-build"
mkdir -p "$WORK_DIR"
cd "$WORK_DIR"

# Clone and setup crosvm
print_status "Cloning crosvm repository..."
if [ ! -d "crosvm" ]; then
    git clone https://chromium.googlesource.com/chromiumos/platform/crosvm
    cd crosvm
else
    cd crosvm
    git pull
fi

print_status "Initializing submodules..."
git submodule update --init --recursive

# Set Wayland protocols path
export WAYLAND_PROTOCOLS_PATH=/usr/share/wayland-protocols

# Build crosvm
print_status "Building crosvm (this may take a while)..."
cargo build --features 'default-no-sandbox gpu'

# Setup system configurations
print_status "Setting up system configurations..."
sudo groupadd -f crosvm
sudo usermod -a -G crosvm $USER

sudo mkdir -p /etc/crosvm
sudo mkdir -p /var/log/crosvm

sudo chown -R $USER:crosvm /etc/crosvm
sudo chmod 750 /etc/crosvm

print_status "CrosVM setup completed successfully!"
print_status "You will need to log out and back in for the group changes to take effect."
print_status "CrosVM binary is located at: $WORK_DIR/crosvm/target/debug/crosvm"