grub2-themes/install.sh
The-Plottwist 2824010b86 Improved Readability
Added section headers and made some rearrangements to improve readability.
Removed discouraged '$?' usage.
Added install_program function.
2022-01-15 21:11:14 +03:00

608 lines
20 KiB
Bash
Executable File

#! /usr/bin/env bash
# Exit Immediately if a command fails
set -o errexit
#
# ──────────────────────────────────────────────────── I ──────────
# :::::: C O L O R S : : : : : : : :
# ──────────────────────────────────────────────────────────────
#
CDEF=" \033[0m" # default color
CCIN=" \033[0;36m" # info color
CGSC=" \033[0;32m" # success color
CRER=" \033[0;31m" # error color
CWAR=" \033[0;33m" # waring color
b_CDEF=" \033[1;37m" # bold default color
b_CCIN=" \033[1;36m" # bold info color
b_CGSC=" \033[1;32m" # bold success color
b_CRER=" \033[1;31m" # bold error color
b_CWAR=" \033[1;33m" # bold warning color
#
# ────────────────────────────────────────────────────── II ──────────
# :::::: G L O B A L S : : : : : : : :
# ────────────────────────────────────────────────────────────────
#
[ GLOBAL::CONF ]
{
readonly ROOT_UID=0
readonly Project_Name="GRUB2::THEMES"
readonly MAX_DELAY=20 # max delay for user to enter root password
tui_root_login=
THEME_DIR="/usr/share/grub/themes"
REO_DIR="$(cd $(dirname $0) && pwd)"
}
THEME_VARIANTS=('tela' 'vimix' 'stylish' 'whitesur')
ICON_VARIANTS=('color' 'white' 'whitesur')
SCREEN_VARIANTS=('1080p' '2k' '4k' 'ultrawide' 'ultrawide2k')
#
# ────────────────────────────────────────────────────────── III ──────────
# :::::: F U N C T I O N S : : : : : : : :
# ────────────────────────────────────────────────────────────────────
#
# echo like ... with flag type and display message colors
prompt () {
case ${1} in
"-s"|"--success")
echo -e "${b_CGSC}${@/-s/}${CDEF}";; # print success message
"-e"|"--error")
echo -e "${b_CRER}${@/-e/}${CDEF}";; # print error message
"-w"|"--warning")
echo -e "${b_CWAR}${@/-w/}${CDEF}";; # print warning message
"-i"|"--info")
echo -e "${b_CCIN}${@/-i/}${CDEF}";; # print info message
*)
echo -e "$@"
;;
esac
}
# Check command availability
function has_command() {
command -v $1 &> /dev/null #with "&>", all output will be redirected.
}
usage() {
printf "%s\n" "Usage: ${0##*/} [OPTIONS...]"
printf "\n%s\n" "OPTIONS:"
printf " %-25s%s\n" "-b, --boot" "install grub theme into /boot/grub/themes"
printf " %-25s%s\n" "-t, --theme" "theme variant(s) [tela|vimix|stylish|whitesur] (default is tela)"
printf " %-25s%s\n" "-i, --icon" "icon variant(s) [color|white|whitesur] (default is color)"
printf " %-25s%s\n" "-s, --screen" "screen display variant(s) [1080p|2k|4k|ultrawide|ultrawide2k] (default is 1080p)"
printf " %-25s%s\n" "-r, --remove" "Remove theme (must add theme name option)"
printf " %-25s%s\n" "-h, --help" "Show this help"
}
install() {
local theme=${1}
local icon=${2}
local screen=${3}
# Check for root access and proceed if it is present
if [[ "$UID" -eq "$ROOT_UID" ]]; then
clear
# Make a themes directory if it doesn't exist
prompt -s "\n Checking for the existence of themes directory..."
[[ -d "${THEME_DIR}/${theme}" ]] && rm -rf "${THEME_DIR}/${theme}"
mkdir -p "${THEME_DIR}/${theme}"
# Copy theme
prompt -s "\n Installing ${theme} ${icon} ${screen} theme..."
# Don't preserve ownership because the owner will be root, and that causes the script to crash if it is ran from terminal by sudo
cp -a --no-preserve=ownership "${REO_DIR}/common/"{*.png,*.pf2} "${THEME_DIR}/${theme}"
cp -a --no-preserve=ownership "${REO_DIR}/config/theme-${screen}.txt" "${THEME_DIR}/${theme}/theme.txt"
cp -a --no-preserve=ownership "${REO_DIR}/backgrounds/${screen}/background-${theme}.jpg" "${THEME_DIR}/${theme}/background.jpg"
# Use custom background.jpg as grub background image
if [[ -f "${REO_DIR}/background.jpg" ]]; then
prompt -w "\n Using custom background.jpg as grub background image..."
cp -a --no-preserve=ownership "${REO_DIR}/background.jpg" "${THEME_DIR}/${theme}/background.jpg"
convert -auto-orient "${THEME_DIR}/${theme}/background.jpg" "${THEME_DIR}/${theme}/background.jpg"
fi
if [[ ${screen} == 'ultrawide' ]]; then
cp -a --no-preserve=ownership "${REO_DIR}/assets/assets-${icon}/icons-1080p" "${THEME_DIR}/${theme}/icons"
cp -a --no-preserve=ownership "${REO_DIR}/assets/assets-select/select-1080p/"*.png "${THEME_DIR}/${theme}"
cp -a --no-preserve=ownership "${REO_DIR}/assets/info-1080p.png" "${THEME_DIR}/${theme}/info.png"
elif [[ ${screen} == 'ultrawide2k' ]]; then
cp -a --no-preserve=ownership "${REO_DIR}/assets/assets-${icon}/icons-2k" "${THEME_DIR}/${theme}/icons"
cp -a --no-preserve=ownership "${REO_DIR}/assets/assets-select/select-2k/"*.png "${THEME_DIR}/${theme}"
cp -a --no-preserve=ownership "${REO_DIR}/assets/info-2k.png" "${THEME_DIR}/${theme}/info.png"
else
cp -a --no-preserve=ownership "${REO_DIR}/assets/assets-${icon}/icons-${screen}" "${THEME_DIR}/${theme}/icons"
cp -a --no-preserve=ownership "${REO_DIR}/assets/assets-select/select-${screen}/"*.png "${THEME_DIR}/${theme}"
cp -a --no-preserve=ownership "${REO_DIR}/assets/info-${screen}.png" "${THEME_DIR}/${theme}/info.png"
fi
# Set theme
prompt -s "\n Setting ${theme} as default..."
# Backup grub config
cp -an /etc/default/grub /etc/default/grub.bak
# Fedora workaround to fix the missing unicode.pf2 file (tested on fedora 34): https://bugzilla.redhat.com/show_bug.cgi?id=1739762
# This occurs when we add a theme on grub2 with Fedora.
if has_command dnf; then
if [[ -f "/boot/grub2/fonts/unicode.pf2" ]]; then
if grep "GRUB_FONT=" /etc/default/grub 2>&1 >/dev/null; then
#Replace GRUB_FONT
sed -i "s|.*GRUB_FONT=.*|GRUB_FONT=/boot/grub2/fonts/unicode.pf2|" /etc/default/grub
else
#Append GRUB_FONT
echo "GRUB_FONT=/boot/grub2/fonts/unicode.pf2" >> /etc/default/grub
fi
elif [[ -f "/boot/efi/EFI/fedora/fonts/unicode.pf2" ]]; then
if grep "GRUB_FONT=" /etc/default/grub 2>&1 >/dev/null; then
#Replace GRUB_FONT
sed -i "s|.*GRUB_FONT=.*|GRUB_FONT=/boot/efi/EFI/fedora/fonts/unicode.pf2|" /etc/default/grub
else
#Append GRUB_FONT
echo "GRUB_FONT=/boot/efi/EFI/fedora/fonts/unicode.pf2" >> /etc/default/grub
fi
fi
fi
if grep "GRUB_THEME=" /etc/default/grub 2>&1 >/dev/null; then
#Replace GRUB_THEME
sed -i "s|.*GRUB_THEME=.*|GRUB_THEME=\"${THEME_DIR}/${theme}/theme.txt\"|" /etc/default/grub
else
#Append GRUB_THEME
echo "GRUB_THEME=\"${THEME_DIR}/${theme}/theme.txt\"" >> /etc/default/grub
fi
# Make sure the right resolution for grub is set
if [[ ${screen} == '1080p' ]]; then
gfxmode="GRUB_GFXMODE=1920x1080,auto"
elif [[ ${screen} == 'ultrawide' ]]; then
gfxmode="GRUB_GFXMODE=2560x1080,auto"
elif [[ ${screen} == '4k' ]]; then
gfxmode="GRUB_GFXMODE=3840x2160,auto"
elif [[ ${screen} == '2k' ]]; then
gfxmode="GRUB_GFXMODE=2560x1440,auto"
elif [[ ${screen} == 'ultrawide2k' ]]; then
gfxmode="GRUB_GFXMODE=3440x1440,auto"
fi
if grep "GRUB_GFXMODE=" /etc/default/grub 2>&1 >/dev/null; then
#Replace GRUB_GFXMODE
sed -i "s|.*GRUB_GFXMODE=.*|${gfxmode}|" /etc/default/grub
else
#Append GRUB_GFXMODE
echo "${gfxmode}" >> /etc/default/grub
fi
if grep "GRUB_TERMINAL=console" /etc/default/grub 2>&1 >/dev/null || grep "GRUB_TERMINAL=\"console\"" /etc/default/grub 2>&1 >/dev/null; then
#Replace GRUB_TERMINAL
sed -i "s|.*GRUB_TERMINAL=.*|#GRUB_TERMINAL=console|" /etc/default/grub
fi
if grep "GRUB_TERMINAL_OUTPUT=console" /etc/default/grub 2>&1 >/dev/null || grep "GRUB_TERMINAL_OUTPUT=\"console\"" /etc/default/grub 2>&1 >/dev/null; then
#Replace GRUB_TERMINAL_OUTPUT
sed -i "s|.*GRUB_TERMINAL_OUTPUT=.*|#GRUB_TERMINAL_OUTPUT=console|" /etc/default/grub
fi
# For Kali linux
if [[ -f "/etc/default/grub.d/kali-themes.cfg" ]]; then
cp -an /etc/default/grub.d/kali-themes.cfg /etc/default/grub.d/kali-themes.cfg.bak
sed -i "s|.*GRUB_GFXMODE=.*|${gfxmode}|" /etc/default/grub.d/kali-themes.cfg
sed -i "s|.*GRUB_THEME=.*|GRUB_THEME=\"${THEME_DIR}/${theme}/theme.txt\"|" /etc/default/grub.d/kali-themes.cfg
fi
# Update grub config
prompt -s "\n Updating grub config...\n"
updating_grub
prompt -w "\n * At the next restart of your computer you will see your new Grub theme: '$theme' "
#Check if password is cached (if cache timestamp has not expired yet)
elif sudo -n true 2> /dev/null && echo; then #No need for "$?" ==> https://github.com/koalaman/shellcheck/wiki/SC2181
sudo "$0" -t ${theme} -i ${icon} -s ${screen}
else
#Ask for password
if [[ -n ${tui_root_login} ]] ; then
if [[ -n "${theme}" && -n "${screen}" ]]; then
sudo -S $0 -t ${theme} -i ${icon} -s ${screen} <<< ${tui_root_login}
fi
else
prompt -e "\n [ Error! ] -> Run me as root! "
read -p " [ Trusted ] Specify the root password : " -t ${MAX_DELAY} -s
if sudo -S echo <<< $REPLY 2> /dev/null && echo; then
#Correct password, use with sudo's stdin
sudo -S "$0" -t ${theme} -i ${icon} -s ${screen} <<< ${REPLY}
else
#block for 3 seconds before allowing another attempt
sleep 3
prompt -e "\n [ Error! ] -> Incorrect password!\n"
exit 1
fi
fi
fi
}
run_dialog() {
if [[ -x /usr/bin/dialog ]]; then
if [[ "$UID" -ne "$ROOT_UID" ]]; then
#Check if password is cached (if cache timestamp not expired yet)
if sudo -n true 2> /dev/null && echo; then
#No need to ask for password
sudo $0
else
#Ask for password
tui_root_login=$(dialog --backtitle ${Project_Name} \
--title "ROOT LOGIN" \
--insecure \
--passwordbox "require root permission" 8 50 \
--output-fd 1 )
if sudo -S echo <<< $tui_root_login 2> /dev/null && echo; then
#Correct password, use with sudo's stdin
sudo -S "$0" <<< $tui_root_login
else
#block for 3 seconds before allowing another attempt
sleep 3
clear
prompt -e "\n [ Error! ] -> Incorrect password!\n"
exit 1
fi
fi
fi
tui=$(dialog --backtitle ${Project_Name} \
--radiolist "Choose your Grub theme background picture : " 15 40 5 \
1 "Vimix Theme" off \
2 "Tela Theme" on \
3 "Stylish Theme" off \
4 "WhiteSur Theme" off --output-fd 1 )
case "$tui" in
1) theme="vimix" ;;
2) theme="tela" ;;
3) theme="stylish" ;;
4) theme="whitesur" ;;
*) operation_canceled ;;
esac
tui=$(dialog --backtitle ${Project_Name} \
--radiolist "Choose icon style : " 15 40 5 \
1 "white" off \
2 "color" on \
3 "whitesur" off --output-fd 1 )
case "$tui" in
1) icon="white" ;;
2) icon="color" ;;
3) icon="whitesur" ;;
*) operation_canceled ;;
esac
tui=$(dialog --backtitle ${Project_Name} \
--radiolist "Choose your Display Resolution : " 15 40 5 \
1 "1080p (1920x1080)" on \
2 "1080p ultrawide (2560x1080)" off \
3 "2k (2560x1440)" off \
4 "4k (3840x2160)" off \
5 "1440p ultrawide (3440x1440)" off --output-fd 1 )
case "$tui" in
1) screen="1080p" ;;
2) screen="ultrawide" ;;
3) screen="2k" ;;
4) screen="4k" ;;
5) screen="ultrawide2k" ;;
*) operation_canceled ;;
esac
fi
}
operation_canceled() {
clear
prompt -i "\n Operation canceled by user, Bye!"
exit 1
}
updating_grub() {
if has_command update-grub; then
update-grub
elif has_command grub-mkconfig; then
grub-mkconfig -o /boot/grub/grub.cfg
elif has_command zypper; then
grub2-mkconfig -o /boot/grub2/grub.cfg
elif has_command dnf; then
if [[ -f /boot/efi/EFI/fedora/grub.cfg ]]; then
prompt -i "Find config file on /boot/efi/EFI/fedora/grub.cfg ...\n"
grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg
fi
if [[ -f /boot/grub2/grub.cfg ]]; then
prompt -i "Find config file on /boot/grub2/grub.cfg ...\n"
grub2-mkconfig -o /boot/grub2/grub.cfg
fi
fi
# Success message
prompt -s "\n * All done!"
}
function install_program () {
if has_command zypper; then
zypper in "$@"
elif has_command apt-get; then
apt-get install "$@"
elif has_command dnf; then
dnf install -y "$@"
elif has_command yum; then
yum install "$@"
elif has_command pacman; then
pacman -S --noconfirm "$@"
fi
}
install_dialog() {
if [ ! "$(which dialog 2> /dev/null)" ]; then
prompt -w "\n 'dialog' need to be installed for this shell"
install_program "dialog"
fi
}
remove() {
local theme=${1}
# Check for root access and proceed if it is present
if [ "$UID" -eq "$ROOT_UID" ]; then
echo -e "\n Checking for the existence of themes directory..."
if [[ -d "${THEME_DIR}/${theme}" ]]; then
rm -rf "${THEME_DIR}/${theme}"
else
prompt -e "\n ${theme} grub theme not exist!"
exit 0
fi
# Backup grub config
if [[ -f "/etc/default/grub.bak" ]]; then
rm -rf /etc/default/grub && mv /etc/default/grub.bak /etc/default/grub
else
prompt -e "\n grub.bak not exist!"
exit 0
fi
# For Kali linux
if [[ -f "/etc/default/grub.d/kali-themes.cfg.bak" ]]; then
rm -rf /etc/default/grub.d/kali-themes.cfg && mv /etc/default/grub.d/kali-themes.cfg.bak /etc/default/grub.d/kali-themes.cfg
fi
# Update grub config
prompt -s "\n Resetting grub theme...\n"
updating_grub
else
#Check if password is cached (if cache timestamp not expired yet)
if sudo -n true 2> /dev/null && echo; then
#No need to ask for password
sudo "$0" "${PROG_ARGS[@]}"
else
#Ask for password
prompt -e "\n [ Error! ] -> Run me as root! "
read -p " [ Trusted ] Specify the root password : " -t ${MAX_DELAY} -s
if sudo -S echo <<< $REPLY 2> /dev/null && echo; then
#Correct password, use with sudo's stdin
sudo -S "$0" "${PROG_ARGS[@]}" <<< $REPLY
else
#block for 3 seconds before allowing another attempt
sleep 3
clear
prompt -e "\n [ Error! ] -> Incorrect password!\n"
exit 1
fi
fi
fi
}
dialog_installer() {
if [[ ! -x /usr/bin/dialog ]]; then
if [[ $UID -ne $ROOT_UID ]]; then
#Check if password is cached (if cache timestamp not expired yet)
if sudo -n true 2> /dev/null && echo; then
#No need to ask for password
exec sudo $0
else
#Ask for password
prompt -e "\n [ Error! ] -> Run me as root! "
read -p " [ Trusted ] Specify the root password : " -t ${MAX_DELAY} -s
if sudo -S echo <<< $REPLY 2> /dev/null && echo; then
#Correct password, use with sudo's stdin
sudo $0 <<< $REPLY
else
#block for 3 seconds before allowing another attempt
sleep 3
prompt -e "\n [ Error! ] -> Incorrect password!\n"
exit 1
fi
fi
fi
install_dialog
fi
run_dialog
install "${theme}" "${icon}" "${screen}"
}
#
# ────────────────────────────────────────────────────────────────────────── IV ──────────
# :::::: A R G U M E N T H A N D L I N G : : : : : : : :
# ────────────────────────────────────────────────────────────────────────────────────
#
while [[ $# -gt 0 ]]; do
PROG_ARGS+=("${1}")
dialog='false'
case "${1}" in
-b|--boot)
THEME_DIR="/boot/grub/themes"
shift 1
;;
-r|--remove)
remove='true'
shift 1
;;
-t|--theme)
shift
for theme in "${@}"; do
case "${theme}" in
tela)
themes+=("${THEME_VARIANTS[0]}")
shift
;;
vimix)
themes+=("${THEME_VARIANTS[1]}")
shift
;;
stylish)
themes+=("${THEME_VARIANTS[2]}")
shift
;;
whitesur)
themes+=("${THEME_VARIANTS[3]}")
shift
;;
-*) # "-*" overrides "--*"
break
;;
*)
prompt -e "ERROR: Unrecognized theme variant '$1'."
prompt -i "Try '$0 --help' for more information."
exit 1
;;
esac
done
;;
-i|--icon)
shift
for icon in "${@}"; do
case "${icon}" in
color)
icons+=("${ICON_VARIANTS[0]}")
shift
;;
white)
icons+=("${ICON_VARIANTS[1]}")
shift
;;
whitesur)
icons+=("${ICON_VARIANTS[2]}")
shift
;;
-*)
break
;;
*)
prompt -e "ERROR: Unrecognized icon variant '$1'."
prompt -i "Try '$0 --help' for more information."
exit 1
;;
esac
done
;;
-s|--screen)
shift
for screen in "${@}"; do
case "${screen}" in
1080p)
screens+=("${SCREEN_VARIANTS[0]}")
shift
;;
2k)
screens+=("${SCREEN_VARIANTS[1]}")
shift
;;
4k)
screens+=("${SCREEN_VARIANTS[2]}")
shift
;;
ultrawide)
screens+=("${SCREEN_VARIANTS[3]}")
shift
;;
ultrawide2k)
screens+=("${SCREEN_VARIANTS[4]}")
shift
;;
-*)
break
;;
*)
prompt -e "ERROR: Unrecognized icon variant '$1'."
prompt -i "Try '$0 --help' for more information."
exit 1
;;
esac
done
;;
-h|--help)
usage
exit 0
;;
*)
prompt -e "ERROR: Unrecognized installation option '$1'."
prompt -i "Try '$0 --help' for more information."
exit 1
;;
esac
done
#
# ──────────────────────────────────────────────── V ──────────
# :::::: M A I N : : : : : : : :
# ──────────────────────────────────────────────────────────
#
# Show terminal user interface for better use
if [[ "${dialog:-}" == 'false' ]]; then
if [[ "${remove:-}" != 'true' ]]; then
for theme in "${themes[@]-${THEME_VARIANTS[0]}}"; do
for icon in "${icons[@]-${ICON_VARIANTS[0]}}"; do
for screen in "${screens[@]-${SCREEN_VARIANTS[0]}}"; do
install "${theme}" "${icon}" "${screen}"
done
done
done
elif [[ "${remove:-}" == 'true' ]]; then
for theme in "${themes[@]-${THEME_VARIANTS[0]}}"; do
remove "${theme}"
done
fi
else
dialog_installer
fi
exit 1