v2

#!/bin/bash

# === CHROOT CONFIG ===
#set -euo pipefail
MAPPER="cryptroot"
echo "[+] Configuring base system..."
echo -e "\n\e[1;36mRUNNING IN CHROOT ENVIRONMENT...\e[0m\n"
read -p "Hostname    : " HOSTNAME
read -p "Username    : " USER
clear
echo -e "\n\e[1;32mRE-ENTER PARTITION FOR CHROOT ENVIRONMENT\e[0m\n"
lsblk
echo ""
read -p "Encrypted Root   (e.g., sda2) : " ECRVLM
read -p "Create fallback swapfile? [y/N]: " SWAPFILE_YN
read -p "Swapfile size in GB (if enabled): " SWAPSIZE
clear

# Display timezone options and read input
printf '
Africa/Abidjan 
Africa/Casablanca
America/Adak 
UTC
'
read -p "Enter Timezone: " TZ

# Mirror
echo 'repository=https://mirrors.dotsrc.org/voidlinux/current' > /etc/xbps.d/00-repository-main.conf


echo "$HOSTNAME" > /etc/hostname
ln -sf /usr/share/zoneinfo/$TZ /etc/localtime
echo "LANG=en_US.UTF-8" > /etc/locale.conf
echo "en_US.UTF-8 UTF-8" >> /etc/default/libc-locales

xbps-install -S
xbps-install -u xbps
xbps-install -yu
xbps-install -y base-system linux-lts linux-lts-headers grub-x86_64-efi efibootmgr cryptsetup dracut lvm2 eudev glibc-locales xtools procps-ng iwd dhcpcd zsh

xbps-reconfigure -f glibc-locales

echo "[+] Set root password:"
passwd root
useradd -mG wheel -s /bin/zsh $USER
echo "[+] Set password for $USER:"
passwd "$USER"
echo '%wheel ALL=(ALL) ALL' >> /etc/sudoers
ln -s /etc/sv/iwd /var/service
ln -s /etc/sv/dhcpcd /var/service

# ZRAM setup
echo "Enabling ZRAM..."
xbps-install -y zramen

mkdir -p /etc/zramen
cat <<EOF > /etc/zramen/config.toml
[[zram0]]
size = "ram/2"
algorithm = "zstd"
priority = 100
EOF

ln -s /etc/sv/zramen /var/service


# Swap file
if [[ "$SWAPFILE_YN" =~ ^[Yy]$ ]]; then
  echo "Creating fallback swapfile..."
  fallocate -l ${SWAPSIZE}G /swapfile
  chmod 600 /swapfile
  mkswap /swapfile
  echo "/swapfile none swap defaults,pri=10 0 0" >> /etc/fstab
fi


# FDE
UUID_ROOT=$(blkid -o value -s UUID /dev/$ECRVLM)
echo "cryptroot UUID=$UUID_ROOT none luks" > /etc/crypttab
echo 'add_dracutmodules+=" crypt "' > /etc/dracut.conf.d/crypt.conf
echo 'GRUB_CMDLINE_LINUX="rd.luks.name='"$UUID_ROOT"'=cryptroot root=/dev/mapper/cryptroot"' >> /etc/default/grub
echo "GRUB_ENABLE_CRYPTODISK=y" >> /etc/default/grub
xgenfstab -U / > /etc/fstab

dracut --force
grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=void
grub-mkconfig -o /boot/grub/grub.cfg
xbps-reconfigure -fa

# === CLEANUP ===
umount -R /mnt
cryptsetup close "$MAPPER"

echo -e "\n\033[1;32m[✔] Void Linux FDE installed. Reboot and go dark.\033[0m"
exit