#!/bin/bash # Grub2 Dark Theme ROOT_UID=0 THEME_DIR="/boot/grub/themes" THEME_DIR_2="/boot/grub2/themes" G_SNAP="themes_ori.tar.gz" # name of archive file used to restore default grub theme REO_DIR=$(cd $(dirname $0) && pwd) 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 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 } # Check command avalibility function has_command() { command -v $1 > /dev/null } usage() { printf "%s\n" "Usage: ${0##*/} [OPTIONS...]" printf "\n%s\n" "OPTIONS:" 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" printf " %-25s%s\n" "-h, --help" "Show this help" printf " %-25s%s\n" "-r, --restore" "Restore default themes" } # [spnap shot] :=> boot to prepare for uninstall freezing_snapshot() { declare -ar grub=( "grub" # ---> reference to THEME_DIR "grub2" # ---> reference to THEME_DIR_2 ) local format local current_grub { #[ auto_detect_grub_type ] for grub_type in $(ls -d /boot/*/) ; do if [[ -d ${grub_type} ]] ; then format=${grub_type%*/} current_grub="${format##*/}" for grub_target in ${grub[@]} ; do [[ ${current_grub} == ${grub_target} ]] && break done fi done } local use_related_dir case "${current_grub}" in "${grub}") use_related_dir=${THEME_DIR};; "${grub[1]}")use_related_dir=${THEME_DIR_2};; esac if [[ -n $1 ]] ; then case ${1} in "--no-snap") echo "${use_related_dir}";; # /boot/[grub|grup2]/themes esac else local themes_folder=${use_related_dir##*/} # extract themes folder if [[ ! -f ${use_related_dir/themes/}$G_SNAP ]] ; then prompt -i "* freezing default themes..." cd ${use_related_dir/$themes_folder/} [[ $? -eq 0 ]] || prompt -e "cannot change directory" sudo tar -zcf ${G_SNAP} "${themes_folder}/" [[ $? -eq 0 ]] && { prompt -i "snap shot forzen " }||{ prompt -e "[x] cannot freeze default themes" } else prompt -i "[escaping] snapshot ..." fi fi } uninstall() { local related_path=$(freezing_snapshot --no-snap) local archive_path="${related_path/themes/}/${G_SNAP}" [[ ! -f ${archive_path} ]] && { prompt -w "not allowed to proceed uninstallation X( !!" sleep 2 exit 12 }|| { prompt -w "-- uninstalling Grub2-Themes" prompt -i "removing installed directories ..." if [[ -n $(sudo ls -r "${related_path}/") ]] ; then sudo rm -r ${related_path}/* [[ $? -eq 0 ]] && { prompt -s "removed" prompt -i "restor default themes" sleep 2 sudo tar -zxf ${related_path/themes/}${G_SNAP} --directory "${related_path/themes/}" [[ $? -eq 0 ]] && { prompt -s "default themes successfully restored" prompt -w "deleting archive file ..." sleep 2 [[ $(sudo rm "$archive_path") -eq 0 ]] &&{ prompt -s "[ done ]" exit 0 }||{ prompt -e "no deletable archive file" exit 3 } } }|| { prompt -e "[ deletion error] connot remove directories" exit 2 } else prompt -e "[ Fatal Error ] Empty themes ..." fi } } install() { freezing_snapshot if [[ ${theme} == 'slaze' ]]; then local name="Slaze" elif [[ ${theme} == 'stylish' ]]; then local name="Stylish" elif [[ ${theme} == 'tela' ]]; then local name="Tela" elif [[ ${theme} == 'vimix' ]]; then local name="Vimix" else prompt -i "\n Run sudo ./install.sh again! or run ./install.sh -h for help" exit 0 fi # Checking for root access and proceed if it is present if [ "$UID" -eq "$ROOT_UID" ]; then # Create themes directory if not exists echo -e "\n Checking for the existence of themes directory..." [[ -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 prompt -i "\n Installing ${name} theme..." 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 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 fi # Set theme prompt -i "\n Setting ${name} as default..." grep "GRUB_THEME=" /etc/default/grub 2>&1 >/dev/null && sed -i '/GRUB_THEME=/d' /etc/default/grub [[ -d /boot/grub ]] && echo "GRUB_THEME=\"${THEME_DIR}/${name}/theme.txt\"" >> /etc/default/grub [[ -d /boot/grub2 ]] && echo "GRUB_THEME=\"${THEME_DIR_2}/${name}/theme.txt\"" >> /etc/default/grub # Update grub config prompt -i "\n Updating grub config..." if has_command update-grub; then update-grub elif has_command grub-mkconfig; then grub-mkconfig -o /boot/grub/grub.cfg elif has_command grub2-mkconfig; then grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg fi # Success message prompt -s "\n * All done!" prompt -w "\n * At the next restart of your computer you will see your new Grub theme: '$theme' " else # 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" ]]&& { if [[ -n "${theme}" ]] ; then sudo -S <<< $REPLY $0 --${theme} fi }|| { prompt "\n Operation canceled Bye" exit 1 } fi } run_dialog() { if [[ -x /usr/bin/dialog ]]; then tui=$(dialog --backtitle "GRUB2 THEMES" \ --radiolist "Choose your Grub theme : " 15 40 5 \ 1 "Vimix Theme" off \ 2 "Tela Theme" on \ 3 "Stylish Theme" off \ 4 "Slaze Theme" off --output-fd 1 ) case "$tui" in 1) theme="vimix" ;; 2) theme="tela" ;; 3) theme="stylish" ;; 4) theme="slaze" ;; *) prompt "Canceled" ;; esac fi } install_dialog() { if [ ! "$(which dialog 2> /dev/null)" ]; then prompt -i "\n 'dialog' needs to be installed for this shell" 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 $ROOT_UID ]]; then # Error message prompt -e "\n [ Error!] -> Run me as root " # persisted execution of the script as root read -p "[ trusted ] specify the root password : " -t${MAX_DELAY} -s [[ -n "$REPLY" ]]&& { exec sudo -S <<< $REPLY $0 }|| { prompt "\n Operation canceled Bye" exit 1 } fi while [[ $# -ge 1 ]]; do case "${1}" in -l|--slaze) theme='slaze' ;; -s|--stylish) theme='stylish' ;; -t|--tela) theme='tela' ;; -v|--vimix) theme='vimix' ;; -h|--help) usage exit 0 ;; -r|--restore) uninstall ;; *) prompt -e "\n ERROR: Unrecognized installation option '$1'." prompt -i "\n Try '$0 --help' for more information." exit 1 ;; esac shift done install_dialog && install exit 0