#!/bin/bash

#
# To be executed before rebooting within a chroot.
#

# Desktop or server ?
echo
echo "Type desktop or server depending on what you want to do."
read  -p "> " desktop_or_server

# BIOS or UEFI ?
echo
echo "Type bios or uefi depending on the machine you have."
read  -p "> " bios_or_uefi

################################################################################
### Bootloader

# BIOS
if [[ $bios_or_uefi = bios ]]; then
  echo "Enter the disk id where you want the bootloader to be installed. (eg. sda)"
  read  -p "> " grub_disk
  grub-install --modules=part_gpt /dev/$grub_disk
fi

# UEFI
if [[ $bios_or_uefi = uefi ]]; then
  grub-install --target=x86_64-efi --bootloader-id=GRUB --efi-directory=/boot/efi
fi

# Generate grub menu
grub-mkconfig -o /boot/grub/grub.cfg

################################################################################
### Configuration

# Set localization
echo
echo "Enter your UTF-8 locale or let empty for keeping default one. (eg. fr_FR)"
read  -p "> " utf8_locale
if [[ -n $utf8_locale ]]; then
  sed -i 's/export LANG=en_US.UTF-8/export LANG='$utf8_locale'.UTF-8/g' /etc/profile.d/lang.sh
fi

# Slackpkg mirror
sed -i '/# https:\/\/mirrors.slackware.com\/slackware\/slackware64-15.0\//s/^# //g' /etc/slackpkg/mirrors
slackpkg update gpg

# Slackpkg blacklist
sed -i '/#\[0-9\]+_SBo/s/^#//g' /etc/slackpkg/blacklist
echo "e/" >> /etc/slackpkg/blacklist

# Install Sbotools
cd /tmp
wget https://slackbuilds.org/slackbuilds/15.0/system/sbotools.tar.gz
tar -xvzf sbotools.tar.gz
cd sbotools
wget https://pghvlaans.github.io/sbotools/downloads/sbotools-3.8.1.tar.gz
./sbotools.SlackBuild
cd

# Use generic kernel
/usr/share/mkinitrd/mkinitrd_command_generator.sh -r | bash
grub-mkconfig -o /boot/grub/grub.cfg

# Copy bash config
cp etc/skel/.bash_profile /root
cp etc/skel/.bashrc /root
cp etc/skel/.bash_profile /etc/skel
cp etc/skel/.bashrc /etc/skel

################################################################################
### Usage specific configuration

# Desktop configuration
if [[ $desktop_or_server = desktop ]]; then
  # Blacklist irrelevant groups
  echo "kde/" >> /etc/slackpkg/blacklist
  # X11 keymap
  if [[ -n $utf8_locale ]]; then
    echo
    echo "Enter your keymap. (eg. fr-latin9)"
    read  -p "> " keymap
    cp /usr/share/X11/xorg.conf.d/90-keyboard-layout-evdev.conf /etc/X11/xorg.conf.d/
    sed -i '0,/Option "XkbLayout" "us"/s//Option "XkbLayout" "'$keymap'"/' /etc/X11/xorg.conf.d/90-keyboard-layout-evdev.conf
  fi
  # Runlevel
  sed -i 's/id:3:initdefault:/id:4:initdefault:/g' /etc/inittab
  # Copy Slackware icon
  cp usr/share/icons/Slackware.svg /usr/share/icons/
  # Copy XFCE config
  cp -r etc/skel/.config /etc/skel
  # XDM Slackware theme
  sboinstall -r slackware-xdm-theme
  # Additional softwares
  sboinstall -r ristretto
  sboinstall -r thunar-archive-plugin
fi

# Server configuration
if [[ $desktop_or_server = server ]]; then
  # Blacklist irrelevant groups
  echo -e "kde/\nx/\nxap\nxfce/\ny/" >> /etc/slackpkg/blacklist
fi

################################################################################
### User

# Add the first user
adduser

################################################################################
### End

# Exit from chroot
exit

# End message
echo
echo ">>> Done !"
sleep 10

# Reboot
reboot