grub2-themes/install.sh

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#!/bin/bash
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# Grub2 Dark Theme
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ROOT_UID=0
THEME_DIR="/boot/grub/themes"
THEME_DIR_2="/boot/grub2/themes"
REO_DIR=$(cd $(dirname $0) && pwd)
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MAX_DELAY=20 # max delay for user to enter root password
#COLORS
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
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b_CWAR=" \033[1;33m" # bold warning color
# 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
}
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# Check command avalibility
function has_command() {
command -v $1 > /dev/null
}
usage() {
printf "%s\n" "Usage: ${0##*/} [OPTIONS...]"
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printf "\n%s\n" "OPTIONS:"
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printf " %-25s%s\n" "-l, --slaze" "slaze grub theme"
printf " %-25s%s\n" "-s, --stylish" "stylish grub theme"
printf " %-25s%s\n" "-t, --tela" "tela grub theme"
printf " %-25s%s\n" "-v, --vimix" "vimix grub theme"
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printf " %-25s%s\n" "-h, --help" "Show this help"
}
install() {
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if [[ ${theme} == 'slaze' ]]; then
local name="Slaze"
elif [[ ${theme} == 'stylish' ]]; then
local name="Stylish"
elif [[ ${theme} == 'tela' ]]; then
local name="Tela"
elif [[ ${theme} == 'vimix' ]]; then
local name="Vimix"
else
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prompt -i "\n Run sudo ./install.sh again! or run ./install.sh -h for help"
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exit 0
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fi
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# Checking for root access and proceed if it is present
if [ "$UID" -eq "$ROOT_UID" ]; then
# Create themes directory if not exists
echo -e "\n Checking for the existence of themes directory..."
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[[ -d ${THEME_DIR}/${name} ]] && rm -rf ${THEME_DIR}/${name}
[[ -d ${THEME_DIR_2}/${name} ]] && rm -rf ${THEME_DIR_2}/${name}
[[ -d /boot/grub ]] && mkdir -p ${THEME_DIR}/${name}
[[ -d /boot/grub2 ]] && mkdir -p ${THEME_DIR_2}/${name}
# Copy theme
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prompt -i "\n Installing ${name} theme..."
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if [ -d /boot/grub ]; then
cp -a ${REO_DIR}/common/* ${THEME_DIR}/${name}
cp -a ${REO_DIR}/backgrounds/background-${theme}.jpg ${THEME_DIR}/${name}/background.jpg
if [ ${theme} == 'tela' ]; then
cp -a ${REO_DIR}/assets/assets-tela/icons ${THEME_DIR}/${name}
cp -a ${REO_DIR}/assets/assets-tela/select/*.png ${THEME_DIR}/${name}
else
cp -a ${REO_DIR}/assets/assets-white/icons ${THEME_DIR}/${name}
cp -a ${REO_DIR}/assets/assets-white/select/*.png ${THEME_DIR}/${name}
fi
fi
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if [ -d /boot/grub2 ]; then
cp -a ${REO_DIR}/common/* ${THEME_DIR_2}/${name}
cp -a ${REO_DIR}/backgrounds/background-${theme}.jpg ${THEME_DIR_2}/${name}/background.jpg
if [ ${theme} == 'tela' ]; then
cp -a ${REO_DIR}/assets/assets-tela/icons ${THEME_DIR_2}/${name}
cp -a ${REO_DIR}/assets/assets-tela/select/*.png ${THEME_DIR_2}/${name}
else
cp -a ${REO_DIR}/assets/assets-white/icons ${THEME_DIR_2}/${name}
cp -a ${REO_DIR}/assets/assets-white/select/*.png ${THEME_DIR_2}/${name}
fi
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fi
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# Set theme
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prompt -i "\n Setting ${name} as default..."
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grep "GRUB_THEME=" /etc/default/grub 2>&1 >/dev/null && sed -i '/GRUB_THEME=/d' /etc/default/grub
[[ -d /boot/grub ]] && echo "GRUB_THEME=\"${THEME_DIR}/${name}/theme.txt\"" >> /etc/default/grub
[[ -d /boot/grub2 ]] && echo "GRUB_THEME=\"${THEME_DIR_2}/${name}/theme.txt\"" >> /etc/default/grub
# Update grub config
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prompt -i "\n Updating grub config..."
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if has_command update-grub; then
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update-grub
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elif has_command grub-mkconfig; then
grub-mkconfig -o /boot/grub/grub.cfg
elif has_command grub2-mkconfig; then
grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg
fi
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# Success message
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prompt -s "\n * All done!"
prompt -w "\n * At the next restart of your computer you will see your new Grub theme: '$theme' "
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else
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# Error message
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prompt -e "\n [ Error!] -> Run me as root "
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# persisted execution of the script as root
read -p "[ trusted ] specify the root password : " -t${MAX_DELAY} -s
[[ -n "$REPLY" ]]&& {
if [[ -n "${theme}" ]] ; then
sudo -S <<< $REPLY $0 --${theme}
fi
}|| {
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prompt "\n Operation canceled Bye"
exit 1
}
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fi
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}
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run_dialog() {
if [[ -x /usr/bin/dialog ]]; then
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tui=$(dialog --backtitle "GRUB2 THEMES" \
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--radiolist "Choose your Grub theme : " 15 40 5 \
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1 "Vimix Theme" off \
2 "Tela Theme" on \
3 "Stylish Theme" off \
4 "Slaze Theme" off --output-fd 1 )
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case "$tui" in
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1) theme="vimix" ;;
2) theme="tela" ;;
3) theme="stylish" ;;
4) theme="slaze" ;;
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*) prompt "Canceled" ;;
esac
fi
}
install_dialog() {
if [ ! "$(which dialog 2> /dev/null)" ]; then
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prompt -i "\n 'dialog' needs to be installed for this shell"
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if has_command zypper; then
sudo zypper in dialog
elif has_command apt-get; then
sudo apt-get install dialog
elif has_command dnf; then
sudo dnf install dialog
elif has_command yum; then
sudo yum install dialog
elif has_command pacman; then
sudo pacman -S --noconfirm dialog
fi
fi
}
# show terminal user interface for better use
if [[ $# -lt 1 ]] && [[ $UID -eq $ROOT_UID ]]; then
run_dialog
fi
if [[ $# -lt 1 ]] && [[ $UID -ne $ROOT_UID ]]; then
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# Error message
prompt -e "\n [ Error!] -> Run me as root "
# persisted execution of the script as root
read -p "[ trusted ] specify the root password : " -t${MAX_DELAY} -s
[[ -n "$REPLY" ]]&& {
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exec sudo -S <<< $REPLY $0
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}|| {
prompt "\n Operation canceled Bye"
exit 1
}
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fi
while [[ $# -ge 1 ]]; do
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case "${1}" in
-l|--slaze)
theme='slaze'
;;
-s|--stylish)
theme='stylish'
;;
-t|--tela)
theme='tela'
;;
-v|--vimix)
theme='vimix'
;;
-h|--help)
usage
exit 0
;;
*)
prompt -e "\n ERROR: Unrecognized installation option '$1'."
prompt -i "\n Try '$0 --help' for more information."
exit 1
;;
esac
shift
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done
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install_dialog && install
exit 0