exherbo-1.sh

#!/bin/bash

# Function to mount necessary filesystems
mount_filesystems() {
    mount -o rbind /dev /mnt/exherbo/dev/
    mount -o rbind /sys /mnt/exherbo/sys/
    mount -t proc none /mnt/exherbo/proc/
    mount /dev/sda1 /mnt/exherbo/boot/
    mount /dev/sda3 /mnt/exherbo/home/
    cp /etc/resolv.conf /mnt/exherbo/etc/resolv.conf
}

# Function to chroot into the system
chroot_system() {
    env -i TERM=$TERM SHELL=/bin/bash HOME=$HOME $(which chroot) /mnt/exherbo /bin/bash
    source /etc/profile
    export PS1="(chroot) $PS1"
}

# Prepare the hard disk
if [[ -d /sys/firmware/efi ]]; then
    # Using UEFI booting
    cfdisk /dev/sda
    mkfs.vfat -F32 /dev/sda1
else
    # Using BIOS/Legacy booting
    cfdisk /dev/sda
    mkfs.ext2 /dev/sda1
fi

mkfs.ext4 /dev/sda2
mkfs.ext4 /dev/sda3

mkdir /mnt/exherbo && mount /dev/sda2 /mnt/exherbo && cd /mnt/exherbo

# Download and extract the Exherbo stage
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
tar xJpf exherbo*xz

# Update fstab
cat <<EOF > /mnt/exherbo/etc/fstab
/dev/sda2    /               ext4      defaults    0 0
/dev/sda3    /home           ext4      defaults    0 2
EOF

if [[ -d /sys/firmware/efi ]]; then
    # Using UEFI booting
    echo "/dev/sda1    /boot           vfat      defaults    0 0" >> /mnt/exherbo/etc/fstab
else
    # Using BIOS/Legacy booting
    echo "/dev/sda1    /boot           ext2      defaults    0 0" >> /mnt/exherbo/etc/fstab
fi

# Chroot into the system
mount_filesystems
chroot_system

# Update the install
cd /etc/paludis
# Make sure Paludis is configured correctly
vim bashrc && vim *conf
# Sync all the trees
cave sync

# Make it bootable
# Download and extract the latest stable kernel from The Linux Kernel Archives.
# Install the kernel (replace 'path-to-kernel' with the actual path)
cd path-to-kernel
make nconfig
make
make modules_install
cp arch/x86/boot/bzImage /boot/kernel

# Install an init system (systemd is used here)
cave resolve world -c
cave resolve --execute --preserve-world --skip-phase test sys-apps/systemd

# For BIOS/Legacy booting, using GRUB 2
grub-install /dev/sda

# Configure GRUB 2
cat <<EOF > /boot/grub/grub.cfg
set timeout=10
set default=0
menuentry "Exherbo" {
    set root=(hd0,1)
    linux /kernel root=/dev/sda2
}
EOF

# For UEFI booting, using systemd-boot and kernel-install
bootctl install

# Copy the kernel you just installed into the appropriate directory
kernel-install add kernel-version /boot/vmlinuz-kernel-version

# Configure hostname
cat <<EOF > /etc/hostname
my-hostname
EOF

# Ensure hostname mapping in /etc/hosts
cat <<EOF > /etc/hosts
127.0.0.1    my-hostname.domain.foo    my-hostname    localhost
::1          localhost
EOF

# Install Linux firmware files (if needed)
cave resolve linux-firmware

# Set root password
passwd

# Install additional locales if needed
localedef -i en_US -f ISO-8859-1 en_US
localedef -i ru_RU -f UTF-8 ru_RU.UTF-8

# Change system-wide locale if needed
echo LANG="en_US.UTF-8" > /etc/env.d/99locale

# Set system timezone (e.g., Copenhagen, Denmark)
ln -s /usr/share/zoneinfo/Europe/Copenhagen /etc/localtime

# Reboot
reboot