Script

install.sh

#!/bin/bash

# Function to prompt user for boot method selection
prompt_boot_method() {
    echo "Select boot method:"
    echo "1. BIOS"
    echo "2. UEFI"
    read -p "Enter your choice (1 or 2): " boot_choice

    case $boot_choice in
        1) BOOT_METHOD="BIOS";;
        2) BOOT_METHOD="UEFI";;
        *) echo "Invalid choice. Please select 1 or 2."
           prompt_boot_method;;
    esac
}

# Function to prompt user for disk selection
prompt_disk_selection() {
    lsblk
    read -p "Enter the disk (e.g., /dev/sda) to install the system on: " install_disk
    if ! [[ -b $install_disk ]]; then
        echo "Invalid disk. Please enter a valid disk (e.g., /dev/sda)."
        prompt_disk_selection
    fi
}

# Prompt user for boot method
prompt_boot_method

# Prompt user for disk selection
prompt_disk_selection

# Proceed with installation based on selected boot method and disk
echo "Selected boot method: $BOOT_METHOD"
echo "Selected disk: $install_disk"

# 3. Prepare the hard disk
sudo wipefs --all $install_disk

# Partition the disk based on selected boot method
if [ "$BOOT_METHOD" = "BIOS" ]; then
    sudo fdisk $install_disk <<EOF
    o
    n
    p
    1

    +512M
    a
    1
    n
    p
    2


    w
    EOF
else
    sudo fdisk $install_disk <<EOF
    g
    n
    1

    +512M
    t
    1
    1
    n
    2


    w
    EOF
fi

# Format and label the file systems for each partition
sudo mkfs.fat -F 32 ${install_disk}1 -n EFI
sudo fatlabel ${install_disk}1 EFI
sudo mkfs.ext4 ${install_disk}2 -L Exherbo
sudo e2label ${install_disk}2 Exherbo

# Mount the root partition and navigate to it
sudo mount ${install_disk}2 /mnt/exherbo
cd /mnt/exherbo

# Get the latest archive of Exherbo from Stages and verify the consistency of the file
curl -O https://stages.exherbolinux.org/x86_64-pc-linux-gnu/exherbo-x86_64-pc-linux-gnu-gcc-current.tar.xz
curl -O https://stages.exherbolinux.org/x86_64-pc-linux-gnu/exherbo-x86_64-pc-linux-gnu-gcc-current.tar.xz.sha256sum
sha256sum -c exherbo-x86_64-pc-linux-gnu-current.tar.xz.sha256sum

# Extract the stage
tar xJpf exherbo*xz

# Update /mnt/exherbo/etc/fstab based on boot method
if [ "$BOOT_METHOD" = "UEFI" ]; then
    echo "/dev/sda1    /boot           vfat      defaults    0 0" >> /mnt/exherbo/etc/fstab
else
    echo "/dev/sda1    /boot           ext2      defaults    0 0" >> /mnt/exherbo/etc/fstab
fi

# Update /mnt/exherbo/etc/fstab for root and home partitions
cat <<EOF >> /mnt/exherbo/etc/fstab
${install_disk}2 / ext4 defaults 0 0
${install_disk}3 /home ext4 defaults 0 2
EOF

# Chroot into the system
sudo mount --rbind /dev /mnt/exherbo/dev
sudo mount --bind /sys /mnt/exherbo/sys
sudo mount -t proc none /mnt/exherbo/proc
sudo mount ${install_disk}1 /mnt/exherbo/boot
sudo chroot /mnt/exherbo /bin/bash -c "source /etc/profile; PS1=\"(Exherbo) \$PS1\""

# Update the install
sudo vi /etc/paludis/bashrc /etc/paludis/*.conf
sudo cave sync
sudo cave resolve --execute -x world

# Make it bootable
sudo git clone git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux /kernel
cd /kernel
sudo git checkout tags/v5.0.7
sudo make nconfig
sudo make
sudo make modules_install
sudo cave resolve --execute -1 --skip-phase test sys-apps/systemd
sudo bootctl install
sudo bash -c 'echo "sys-apps/systemd efi" >> /etc/paludis/options.conf'
sudo kernel-install add 5.0.7 /boot/vmlinuz-5.0.7
sudo kernel-install remove {kernel-version}
sudo bash -c 'echo "kanto" > /etc/hostname'
sudo bash -c 'echo "127.0.0.1 localhost kanto" > /etc/hosts'
sudo localdef -i en_US -f UTF-8 en_US.UTF-8
sudo bash -c 'echo "LANG=en_US.UTF-8" > /etc/locale.conf'
sudo ln -s /usr/share/zoneinfo/Europe/Paris /etc/localtime
sudo hwclock --systohc --utc
sudo reboot

# Post-installation tasks
sudo rm /exherbo-x86_64-pc-linux-gnu-current.tar.xz
sudo cave purge
sudo cave update-world --set stages
sudo useradd -m -G adm,disk,wheel,cdrom,audio,video,usb,users taupiqueur
sudo passwd taupiqueur
sudo cave resolve --execute app-admin/sudo
sudo bash -c 'echo "%wheel ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers'

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