makeRemix_32bit.sh

#!/bin/bash -e
#
#debug options
#set -x
#logfile=makeRemix_32bit.log 
#exec > $logfile 2>&1
#
# Ubuntu - Estonian Remix ISO
#
# based on Finnish remix http://bazaar.launchpad.net/~timo-jyrinki/ubuntu-fi-remix/main/files
#
# License CC-BY-SA 3.0: http://creativecommons.org/licenses/by-sa/3.0/

#
# CHANGE VARIABLES:
#  - desktop_name: uncomment appropriate line, one desktop at a time only
#  - iso_file_path (default: $HOME/ISO)
#  - output_file_path (default: /var/www/html)

#------
# Variables'n'stuff
#------

#locale
export LC_ALL=C.UTF-8

#local apt-cacher-ng url
export proxy_url="http://127.0.0.1:3142"

#nameserver
export NAMESERVER="8.8.8.8"

#Ubuntu general package mirror
export MIRROR="http://ftp.estpak.ee/pub/ubuntu/"

#what release we're working on -> defined below automatically after defining necessary variables
#export RELEASE="xenial"

# workaround for restricted extras into script extra.sh below: uncomment appropriate one. PART 1 of 2
## UNITY
export desktop_name=UNITY
## MATE
#export desktop_name=MATE
## GNOME
#export desktop_name=GNOME
## KDE
#export desktop_name=KDE
## LXDE
#export desktop_name=LXDE
## XFCE
#export desktop_name=XFCE
## Edubuntu
#export desktop_name=EDU
## Ubuntu Studio
#export desktop_name=STUDIO

#input ISO file
export iso_file_path="$HOME/ISO"
export iso_file_name="$(ls $iso_file_path | grep i386 | sed -e 's/\.iso$//')"
#export iso_file_name="ubuntu-16.04.3-desktop-i386"
export iso_file_extension="iso"
export iso_file="$iso_file_path/$iso_file_name.$iso_file_extension"
#export iso_file="ubuntu-16.04.3-desktop-i386.iso"
#
# ISO download in Estonia
# http://ftp.aso.ee/ubuntu-releases/
#

#IMAGE NAME as it appears in ISO file (file <iso_image>)
export IMAGE_NAME="$(ls $iso_file_path | grep i386 | cut -d'-' -f1)-estonian-remix-$(ls $iso_file_path | grep i386 | cut -d'-' -f2)-$desktop_name-32bit"
#export IMAGE_NAME="Ubuntu Estonian Remix 16.04.3 LTS 32-bit"

#output ISO file
export output_file_path="/var/www/html" # there can be created a symlink so that /var/www/html points where you would like to - then you do not need to change it every time
export output_file_name="$(ls $iso_file_path | grep i386 | cut -d'-' -f1)-estonian-remix-$(ls $iso_file_path | grep i386 | cut -d'-' -f2)-$desktop_name-$(ls $iso_file_path | grep i386 | cut -d'-' -f4 | cut -d'.' -f1)"
#export output_file_name="ubuntu-estonian-remix-16.04.3-desktop-i386"
export output_file_extension="iso"
export output_file="$output_file_path/$output_file_name.$output_file_extension"

#visible name of the new disk in file explorer (max 32char)
export NEWIMAGE_NAME="$(ls $iso_file_path | grep i386 | cut -d'-' -f1)-remix-$(ls $iso_file_path | grep i386 | cut -d'-' -f2)-lts-32bit"
#export NEWIMAGE_NAME="Ubuntu Remix 16.04.3 LTS 32-bit"

# automatically determine Ubuntu release codename from input ISO file.
export VERSION="$(ls $iso_file_path | grep i386 | cut -d'-' -f2)"
#
if [[ "$VERSION" == *"14.04"* ]]; then
  export RELEASE="trusty"
elif [[ "$VERSION" == *"16.04"* ]]; then
  export RELEASE="xenial"
elif [[ "$VERSION" == *"16.10"* ]]; then
  export RELEASE="yakkety"
elif [[ "$VERSION" == *"17.04"* ]]; then
  export RELEASE="zesty"
elif [[ "$VERSION" == *"17.10"* ]]; then
  export RELEASE="artful"
#elif [[ "$VERSION" == *"18.04"* ]]; then
#  export RELEASE="?????"
else
  echo "Check release manually and fix in script." && exit 1
fi

#packages to remove, primarly privacy leaking packages
export REMOVE_PACKAGES="activity-log-manager-common python-zeitgeist rhythmbox-plugin-zeitgeist zeitgeist zeitgeist-core zeitgeist-datahub *flashplugin* apport*"

#packages to install when EXTRA is selected:
export EXTRA_PACKAGES="libdvdcss2 vlc vlc-plugin-zvbi mplayer mplayer-fonts smplayer smtube smplayer-themes smplayer-l10n cups-pdf gimp gimp-data-extras inkscape chromium-browser chromium-browser-l10n chromium-codecs-ffmpeg-extra adobe-flashplugin ffmpeg mc pavucontrol radiotray python-xdg openjdk-8-jre icedtea-8-plugin default-java-plugin synaptic shutter libgoo-canvas-perl byobu veracrypt simplescreenrecorder redshift redshift-gtk geoclue-2.0 clipgrab dkms"
#EXTRA includes some stuff for kids also:
export KIDS_PACKAGES="tuxpaint tuxpaint-config tuxpaint-plugins-default tuxtype childsplay childsplay-alphabet-sounds-en-gb gcompris gcompris-sound-en"

#name for Estonian Speller file in current directory
# as either OpenJDK or Oracle Java does not work properly with LibreOffice in 32-bit version then not installed
#export ESTONIAN_SPELLER="oofslinget-addon-estobuntu_4.1-0_all.deb"

#------
#Check environment and make selections
#------


# Make sure only root can run our script
if [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi


if [ ! -f $iso_file ]; then
  echo No input ISO file.
  exit
fi

dialog --title "Ubuntu - Estonian CD remix creation" --msgbox "\nexpecting following input ISO files: $iso_file\n\noutput will be: $output_file" 22 76


cmd=(dialog --separate-output --checklist "Select remix options:" 22 76 16)
options=(ID "Install Estonian ID Software" on    # any option can be set to default to "on"
         EST "Filosoft speller for LibreOffice and Estonian langpacks" on
         LO "Newest LibreOffice software" on
         REPLACE "Replace desktop system (remove Unity) - select in next step" off
	 EXTRA "Video players, codecs, Chromium Browser, for kids etc" on
	 PROXY "Use local apt-cacher-ng proxy" on)
choices=$("${cmd[@]}" "${options[@]}" 2>&1 >/dev/tty)
clear
for choice in $choices
do
    case $choice in
        ID)
            ID=1
            ;;
        LO)
            LO=1
            ;;
        EST)
            EST=1
            ;;
        REPLACE)
            REPLACE=1
            ;;
        EXTRA)
            EXTRA=1
            ;;
        PROXY)
            PROXY=1
            ;;
    esac
done

if [[ $REPLACE ]]
then
#lubuntu-desktop ubuntu-mate-desktop kubuntu-desktop xubuntu-desktop ubuntu-gnome-desktop edubuntu-desktop-gnome ubuntustudio-desktop
 cmd=(dialog --radiolist "select desktop system" 22 76  16)
 options=(DEFAULT "Do not change, leave default (Unity)" on
	  MATE "Mate desktop" off
          GNOME "Gnome desktop" off
          KDE "KDE system" off
          LXDE "LXDE desktop" off
          XFCE "Xfce system" off
          EDU "Edubuntu gnome" off
          STUDIO "Ubuntu studio set" off)
 choice=$("${cmd[@]}" "${options[@]}" 2>&1 >/dev/tty)
 clear
 case $choice in
	MATE)
	  desktop_system="ubuntu-mate-desktop"
	  ;;
	GNOME)
	  desktop_system="ubuntu-gnome-desktop"
	  ;;
	KDE)
	  desktop_system="kubuntu-desktop"
	  ;;
	LXDE)
	  desktop_system="lubuntu-desktop"
	  ;;
	XFCE)
	  desktop_system="xubuntu-desktop"
	  ;;
	EDU)
	  desktop_system="edubuntu-desktop-gnome"
	  ;;
	STUDIO)
	  desktop_system="ubuntustudio-desktop"
	  ;;
	*)
	  desktop_system=""
          REPLACE=0
	  ;;
  esac
 export desktop_system
fi

#-------
# Unpack ISO and prepare for modification
#-------


echo "removing old directories"
#umount $(mount -t squashfs | cut -d' ' -f1)
#umount $(mount -t iso9660 | cut -d' ' -f1)
rm -rf edit/ extract-cd/ mnt/ squashfs/
echo Extracting image
mkdir mnt
mount -o loop ${iso_file} mnt/
mkdir extract-cd
rsync --exclude=/casper/filesystem.squashfs -a mnt/ extract-cd
mkdir squashfs
echo Extracting liveFS
mount -t squashfs -o loop mnt/casper/filesystem.squashfs squashfs
mkdir edit
cp -a squashfs/* edit/
# NOTE: LiveCDCustomization wiki page uses another method nowadays
# sudo unsquashfs mnt/casper/filesystem.squashfs
# sudo mv squashfs-root edit
# I've not noticed difference in the end result, cp seems faster
mount --bind /dev/ edit/dev
#cp ${ESTONIAN_SPELLER} edit/tmp/
#cp splash.pcx extract-cd/isolinux/splash.pcx

#--------
#Image modifing scripts
#--------

cat > edit/tmp/caja-qdigidoc.sh << ENDSCRIPT
#!/bin/bash
mkdir -p /usr/share/caja-python/extensions/

cat > edit/tmp/caja-qdigidoc.py <<EOF
#
# QDigiDoc Caja Extension
#
# Copyright (C) 2010  Erkko Kebbinau
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
#
import os
import urllib
import gettext
import locale

from gi.repository import Caja, GObject, Gio

APP = 'nautilus-qdigidoc'

class OpenDigidocExtension(GObject.GObject, Caja.MenuProvider):
    def __init__(self):
        pass

    def _open_client(self, paths):
        args = ""
        for path in paths:
            args += "\"%s\" " % path
        cmd = ("qdigidocclient " + args + "&")
        os.system(cmd)

    def menu_activate_cb(self, menu, paths):
        self._open_client(paths)

    def valid_file(self, file):
        return file.get_file_type() == Gio.FileType.REGULAR and file.get_uri_scheme() == 'file'

    def get_file_items(self, window, files):
        paths = []
        for file in files:
            if self.valid_file(file):
                path = urllib.unquote(file.get_uri()[7:])
                paths.append(path)

        if len(paths) < 1:
            return

        locale.setlocale(locale.LC_ALL, '')
        gettext.bindtextdomain(APP)
        gettext.textdomain(APP)
        _ = gettext.gettext

        tooltip_message = gettext.ngettext('Sign selected file with Digidoc3 Client',
                                           'Sign selected files with Digidoc3 Client',
                                           len(paths))

        item = Caja.MenuItem(
            name="OpenDigidocExtension::DigidocSigner",
            label=_('Sign digitally'),
            tip=tooltip_message
        )
        item.set_property('icon', 'qdigidoc-client')

        item.connect('activate', self.menu_activate_cb, paths)
        return item,
EOF

cp edit/tmp/caja-qdigidoc.py /usr/share/caja-python/extensions/

ENDSCRIPT

cat > edit/tmp/addID.sh << ENDSCRIPT
#add ID-card repository GPG key
#key derived from https://installer.id.ee/media/install-scripts/install-open-eid.sh
apt-key add <<EOF
-----BEGIN PGP PUBLIC KEY BLOCK-----
Comment: GPGTools - https://gpgtools.org

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K2czbpReKw==
=aSyh
-----END PGP PUBLIC KEY BLOCK-----
EOF
cat >> /etc/apt/sources.list.d/estID.list <<EOF
deb https://installer.id.ee/media/ubuntu/ ${RELEASE} main
EOF
apt update
#install Estonian ID-card packages
apt install -y open-eid
ENDSCRIPT

cat > edit/tmp/prepare.sh << ENDSCRIPT
#!/bin/bash -e
mount -t proc none /proc
mount -t sysfs none /sys
mount -t devpts none /dev/pts
export HOME=/root
export LC_ALL=C.UTF-8
#needed for some package installation
service dbus start

#configure connectivity
echo "nameserver ${NAMESERVER}" > /etc/resolv.conf

#add repositories
cat >> /etc/apt/sources.list.d/estmix.list <<EOF
deb ${MIRROR} ${RELEASE} universe
deb ${MIRROR} ${RELEASE}-updates universe
deb ${MIRROR} ${RELEASE} multiverse
deb ${MIRROR} ${RELEASE}-updates multiverse
deb http://archive.canonical.com/ubuntu ${RELEASE} partner
deb ${MIRROR} ${RELEASE}-security universe
deb ${MIRROR} ${RELEASE}-security multiverse
deb http://download.videolan.org/pub/debian/stable/ / #libdvdcss2
EOF

#add some additional repositories before updating package list
#
# libdvdcss2 https://www.videolan.org/developers/libdvdcss.html
wget -qO - http://download.videolan.org/pub/debian/videolan-apt.asc | sudo apt-key add -
#add-apt-repository "deb http://download.videolan.org/pub/debian/stable/ /"
#
# Inkscape https://launchpad.net/~inkscape.dev/+archive/ubuntu/stable

#update package lists
apt update

#REMOVE some privacy leaking(?) packages
apt -y autoremove --purge ${REMOVE_PACKAGES}

ENDSCRIPT

cat > edit/tmp/libreoffice.sh << ENDSCRIPT

# full system upgrade and newest libreoffice
# unfortunately either OpenJDK or Oracle Java does not work properly and therefore also Java-related components removed from LibreOffice
add-apt-repository -y ppa:libreoffice/ppa && apt update && apt full-upgrade -y && apt -y install libreoffice-help-et libreoffice-l10n-et libreoffice-pdfimport libreoffice-ogltrans libreoffice-style-galaxy libreoffice-templates libreoffice-systray && apt -y remove libreoffice-style-tango libreoffice-style-breeze libreoffice-script-provider-bsh libreoffice-script-provider-js libreoffice-sdbc-hsqldb libreoffice-base libreoffice-report-builder-bin && ldconfig && dpkg --configure -a && apt clean
ENDSCRIPT


cat > edit/tmp/estonian_packages.sh << ENDSCRIPT
# Estonian (basic support)
apt install -y language-pack-et language-pack-et-base language-pack-gnome-et language-pack-gnome-et-base libreoffice-l10n-et firefox-locale-et libreoffice-help-et thunderbird-locale-et
#dpkg -i tmp/${ESTONIAN_SPELLER}
ENDSCRIPT

cat > edit/tmp/replace.sh << ENDSCRIPT
#remove Unity and accompaning packages
apt install -y tasksel
apt purge -y unity* compiz* gnome* ubuntuone* accountsservice-*
#remove some privacy concerned packages
tasksel install ${desktop_system}
echo DONE
apt -y autoremove --purge

ENDSCRIPT

cat > edit/tmp/extra.sh << ENDSCRIPT
#extra packages, like mediaplayer packages, browsers and gimp
add-apt-repository -y ppa:inkscape.dev/stable
add-apt-repository -y ppa:otto-kesselgulasch/gimp
add-apt-repository -y ppa:rvm/smplayer
add-apt-repository -y ppa:shutter/ppa
add-apt-repository -y ppa:unit193/encryption
add-apt-repository -y ppa:byobu/ppa
add-apt-repository -y ppa:maarten-baert/simplescreenrecorder
add-apt-repository -y ppa:clipgrab-team/ppa
apt update && apt full-upgrade -y
apt -y install ${EXTRA_PACKAGES}

#fun for kids
apt -y install  ${KIDS_PACKAGES}

# workaround for restricted extras into script extra.sh; PART 2 of 2
if [ "$desktop_name" = "UNITY" ]; then
  echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | sudo debconf-set-selections && apt install ubuntu-restricted-extras -y && apt clean
elif [ "$desktop_name" = "MATE" ]; then
  echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | sudo debconf-set-selections && apt install ubuntu-restricted-extras -y && apt clean
elif [ "$desktop_name" = "GNOME" ]; then
  echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | sudo debconf-set-selections && apt install ubuntu-restricted-extras -y && apt clean && apt purge *lightdm* libreoffice-style-tango -y
elif [ "$desktop_name" = "KDE" ]; then
  echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | sudo debconf-set-selections && apt install kubuntu-restricted-extras -y && apt clean && apt purge *lightdm* -y
elif [ "$desktop_name" = "LXDE" ]; then
  echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | sudo debconf-set-selections && apt install lubuntu-restricted-extras -y && apt clean
elif [ "$desktop_name" = "XFCE" ]; then
  echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | sudo debconf-set-selections && apt install xubuntu-restricted-extras -y && apt clean
elif [ "$desktop_name" = "EDU" ]; then
  echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | sudo debconf-set-selections && apt install ubuntu-restricted-extras -y && apt clean
elif [ "$desktop_name" = "STUDIO" ]; then
  echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | sudo debconf-set-selections && apt install ubuntu-restricted-extras -y && apt clean
else
  echo "You did not choose the desktop environment for restricted extras package installation!"
fi

ENDSCRIPT

cat > edit/tmp/cleanup.sh << ENDSCRIPT
# Cleanups
echo "" > /etc/resolv.conf
rm -f /etc/apt/apt.conf.d/00proxy
apt clean
apt purge --auto-remove -y

rm -rf /tmp/*
rm -rf /var/cache/apt-xapian-index/*
rm -rf /var/lib/apt/lists/*
rm -rf /home/edmund
service dbus stop
sleep 2
umount /proc/sys/fs/binfmt_misc || true
umount /sys
umount /dev/pts
umount /proc
#end of chroot
exit
ENDSCRIPT

#--------
#Call modify scripts as selected
#--------

chmod +x edit/tmp/*.sh

chroot edit ./tmp/prepare.sh

if [[ $PROXY ]]
then
   echo "Acquire::http { Proxy \"${proxy_url}\"; };" >> edit/etc/apt/apt.conf.d/00proxy
   echo "Acquire::https { Proxy \"${proxy_url}\"; };" >> edit/etc/apt/apt.conf.d/00proxy
fi

if [[ $ID ]]
then
  chroot edit ./tmp/addID.sh
fi

if [[ $LO ]]
then
  chroot edit ./tmp/libreoffice.sh
fi

if [[ $EST ]]
then
  chroot edit ./tmp/estonian_packages.sh
fi

if [[ $REPLACE ]]
then
  chroot edit ./tmp/replace.sh
fi

if [[ $EXTRA ]]
then
  chroot edit ./tmp/extra.sh
fi

#if [ "$desktop_name" = "MATE" ]; then
#  chroot edit ./tmp/caja-qdigidoc.sh
#fi
#
# current error messages:
# ./tmp/caja-qdigidoc.sh: line 4: edit/tmp/caja-qdigidoc.py: No such file or directory
# cp: cannot stat 'edit/tmp/caja-qdigidoc.py': No such file or directory

chroot edit ./tmp/cleanup.sh

umount edit/dev


#---------
#Construct new ISO file, modifiyng some locales, etc
#---------

# setting default language
# 16.04 LTS: seems broken (for legacy boot mode), no known solution. English is still the default.

#cd gfxboot-theme-ubuntu-0.20.1
#cd po
#ln -sf et.po et_EE.po
#cd ..
#make DEFAULT_LANG="et_EE"
#cd ..
#echo et > extract-cd/isolinux/lang
#cp -af gfxboot-theme-ubuntu-0.20.1/boot/* extract-cd/isolinux/
#sed -i "/default_keymap = {/a \'et\': \'et\'," edit/usr/lib/ubiquity/ubiquity/misc.py


# Re-creation of "manifest" file
chmod +w extract-cd/casper/filesystem.manifest
chroot edit dpkg-query -W --showformat='${Package} ${Version}\n' > extract-cd/casper/filesystem.manifest
#
# Pack the filesystem
rm -f extract-cd/casper/filesystem.squashfs
mksquashfs edit extract-cd/casper/filesystem.squashfs
# Create the disk image itself
sed -i -e "s/$IMAGE_NAME/$NEWIMAGE_NAME/" extract-cd/README.diskdefines
sed -i -e "s/$IMAGE_NAME/$NEWIMAGE_NAME/" extract-cd/.disk/info

cd extract-cd
# Localizing the UEFI boot -> not working in 32-bit
#sed -i '6i    loadfont /boot/grub/fonts/unicode.pf2' boot/grub/grub.cfg
#sed -i '7i    set locale_dir=$prefix/locale' boot/grub/grub.cfg
#sed -i '8i    set lang=et_EE' boot/grub/grub.cfg
#sed -i '9i    insmod gettext' boot/grub/grub.cfg
#sed -i 's%splash%splash debian-installer/locale=et_EE keyboard-configuration/layoutcode=et console-setup/layoutcode=et%' boot/grub/grub.cfg
#sed -i 's/Try Ubuntu without installing/Proovi ilma paigaldamiseta/' boot/grub/grub.cfg
#sed -i 's/Install Ubuntu/Paigalda Ubuntu/' boot/grub/grub.cfg
#sed -i 's/OEM install (for manufacturers)/OEM-paigaldus (arvutitootjatele)/' boot/grub/grub.cfg
#sed -i 's/Check disc for defects/Kontrolli kettavigu/' boot/grub/grub.cfg

#This is not a good solution, it mixes keyboard setting completely - set language form install splash
#sed -i 's%splash%splash debian-installer/locale=et_EE.UTF-8 keyboard-configuration/layoutcode=et console-setup/layoutcode=et%' boot/grub/loopback.cfg
#sed -i 's%splash%splash debian-installer/locale=et_EE.UTF-8 keyboard-configuration/layoutcode=et console-setup/layoutcode=et%' isolinux/txt.cfg
#sed -i 's/Try Ubuntu without installing/Proovi ilma paigaldamiseta/' boot/grub/loopback.cfg
#sed -i 's/Try Ubuntu without installing/Proovi ilma paigaldamiseta/' isolinux/txt.cfg
#sed -i 's/Install Ubuntu/Paigalda Ubuntu/' boot/grub/loopback.cfg
#sed -i 's/Install Ubuntu/Paigalda Ubuntu/' isolinux/txt.cfg

mkdir -p boot/grub/locale/
mkdir -p boot/grub/fonts/

#cp -a /boot/grub/locale/et.mo boot/grub/locale/
cp -a /boot/grub/fonts/unicode.pf2 boot/grub/fonts/

#help users with selecting some Estonial locales
echo "d-i debian-installer/locale string et_EE.UTF-8" >> preseed/ubuntu.seed
echo "d-i keyboard-configuration/xkb-keymap select et" >> preseed/ubuntu.seed
echo "d-i keyboard-configuration/layout string \"Estonian\"" >> preseed/ubuntu.seed
echo "d-i keymap select et" >> preseed/ubuntu.seed

rm -f md5sum.txt
(find -type f -print0 | xargs -0 md5sum | grep -v isolinux/boot.cat | tee ../md5sum.txt)
mv -f ../md5sum.txt ./
# If the following is not done, causes an error in the boot menu disk check option
sed -i -e '/isolinux/d' md5sum.txt
# Different volume name than the IMAGE_NAME above.
# 16.04 LTS
genisoimage -r -V "$NEWIMAGE_NAME" -cache-inodes -J -l -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -no-emul-boot -o ${output_file} .
cd ..
#isohybrid --uefi ${output_file}
#
# Removing building folders
#umount squashfs/
#umount mnt/
umount $(mount -t squashfs | cut -d' ' -f1)
umount $(mount -t iso9660 | cut -d' ' -f1)
rm -rf edit/ extract-cd/ mnt/ squashfs/
#
# Generate SHA256SUM checksum
cd $output_file_path
sha256sum $output_file_name.$output_file_extension > $output_file_name.sha256
cd -

echo
echo Generated ISO file:
echo ${output_file}
echo
echo Generated SHA256 checksum:
echo ${output_file_path}/${output_file_name}.sha256
echo
echo ALL DONE!
echo