Vagrantfile

Vagrant.configure("2") do |config|
  config.vm.box = "debian/bookworm64"

  config.vm.synced_folder ".", "/lfs_host", type: "9p", disabled: true

  config.vm.provider :libvirt do |lv|
    lv.memory = 8192         # RAM in MB
    lv.cpus   = 8            # Match your physical CPU cores

    # 50GB virtual disk specifically for building LFS
    # we can use later the same device name to parition our storage
    lv.storage :file, size: '50G', device: 'vdb'
  end

  config.vm.provision "shell", inline: <<-SHELL
    set -e
    echo "=== 1: Updating Repositories and Installing LFS Toolchain ==="
    export DEBIAN_FRONTEND=noninteractive
    apt-get update

    # Install every package required to pass the LFS host system check
    apt-get install -y \
      build-essential \
      gcc \
      g++ \
      bison \
      gawk \
      m4 \
      texinfo \
      patch \
      python3 \
      diffutils \
      findutils \
      grep \
      gzip \
      sed \
      tar \
      xz-utils \
      perl \
      make \
      git \
      exuberant-ctags \
      bc \
      libssl-dev \
      libncurses-dev \
      flex \
      libelf-dev


    echo "=== 2: Configuring LFS Prerequisites ==="

    # LFS strictly requires /bin/sh to point to bash (Debian defaults to dash)
    ln -sf /bin/bash /bin/sh

    # Create a yacc wrapper pointing to bison (required for LFS script)
    if [ ! -e /usr/bin/yacc ]; then
      ln -sf /usr/bin/bison /usr/bin/yacc
    fi

    # https://www.linuxfromscratch.org/lfs/view/stable-systemd/chapter02/creatingfilesystem.html
    echo "=== 3: Preparing /mnt/lfs Disk Partition ==="
    if ! blkid /dev/vdb; then
      mkfs.ext4 /dev/vdb
    fi

    mkdir -p /mnt/lfs
    mount /dev/vdb /mnt/lfs
    chown -R vagrant:vagrant /mnt/lfs

    echo "=== 4: Running LFS Version Check Script ==="
    if [ -f /lfs_host/scripts/version-check.sh ]; then
      chmod +x /lfs_host/scripts/version-check.sh
      /lfs_host/scripts/version-check.sh
    else
      echo "WARNING: /lfs_host/scripts/version-check.sh not found!"
    fi
    
    echo "=== 5: Setting up the \$LFS=/mnt/lfs   ==="
    echo 'export LFS=/mnt/lfs' >> /home/vagrant/.bashrc
    echo 'umask 022' >> /home/vagrant/.bashrc
    
    # Ensure the mount directory exists and matches $LFS
    if [ "$LFS" = "/mnt/lfs" ] && mountpoint -q "$LFS"; then
        echo "OK: $LFS is set and properly mounted!"
    else
        echo "FATAL: LFS variable is wrong or disk is not mounted!"
    fi
  SHELL
end