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338 lines
10 KiB
Bash
338 lines
10 KiB
Bash
#!/bin/bash
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# Grub2 Dark Theme
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ROOT_UID=0
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THEME_DIR="/boot/grub/themes"
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THEME_DIR_2="/boot/grub2/themes"
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G_SNAP="themes_ori.tar.gz" # name of archive file used to restore default grub theme
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REO_DIR=$(cd $(dirname $0) && pwd)
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MAX_DELAY=20 # max delay for user to enter root password
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#COLORS
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CDEF=" \033[0m" # default color
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CCIN=" \033[0;36m" # info color
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CGSC=" \033[0;32m" # success color
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CRER=" \033[0;31m" # error color
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CWAR=" \033[0;33m" # waring color
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b_CDEF=" \033[1;37m" # bold default color
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b_CCIN=" \033[1;36m" # bold info color
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b_CGSC=" \033[1;32m" # bold success color
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b_CRER=" \033[1;31m" # bold error color
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b_CWAR=" \033[1;33m" # bold warning color
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# echo like ... with flag type and display message colors
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prompt () {
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case ${1} in
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"-s"|"--success")
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echo -e "${b_CGSC}${@/-s/}${CDEF}";; # print success message
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"-e"|"--error")
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echo -e "${b_CRER}${@/-e/}${CDEF}";; # print error message
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"-w"|"--warning")
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echo -e "${b_CWAR}${@/-w/}${CDEF}";; # print warning message
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"-i"|"--info")
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echo -e "${b_CCIN}${@/-i/}${CDEF}";; # print info message
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*)
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echo -e "$@"
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;;
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esac
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}
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# Check command avalibility
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function has_command() {
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command -v $1 > /dev/null
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}
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usage() {
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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"
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printf " %-25s%s\n" "-s, --stylish" "stylish grub theme"
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printf " %-25s%s\n" "-t, --tela" "tela grub theme"
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printf " %-25s%s\n" "-v, --vimix" "vimix grub theme"
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printf " %-25s%s\n" "-h, --help" "Show this help"
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printf " %-25s%s\n" "-r, --restore" "Restore default themes"
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}
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# [spnap shot] :=> boot to prepare for uninstall
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freezing_snapshot() {
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declare -ar grub=(
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"grub" # ---> reference to THEME_DIR
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"grub2" # ---> reference to THEME_DIR_2
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)
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local format
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local current_grub
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{ #[ auto_detect_grub_type ]
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for grub_type in $(ls -d /boot/*/) ; do
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if [[ -d ${grub_type} ]] ; then
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format=${grub_type%*/}
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current_grub="${format##*/}"
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for grub_target in ${grub[@]} ; do
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[[ ${current_grub} == ${grub_target} ]] && break
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done
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fi
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done
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}
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local use_related_dir
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case "${current_grub}" in
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"${grub}") use_related_dir=${THEME_DIR};;
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"${grub[1]}")use_related_dir=${THEME_DIR_2};;
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esac
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if [[ -n $1 ]] ; then
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case ${1} in
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"--no-snap") echo "${use_related_dir}";; # /boot/[grub|grup2]/themes
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esac
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else
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local themes_folder=${use_related_dir##*/} # extract themes folder
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if [[ ! -f ${use_related_dir/themes/}$G_SNAP ]] ; then
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prompt -i "* freezing default themes..."
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cd ${use_related_dir/$themes_folder/}
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[[ $? -eq 0 ]] || prompt -e "cannot change directory"
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sudo tar -zcf ${G_SNAP} "${themes_folder}/"
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[[ $? -eq 0 ]] && {
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prompt -i "snap shot forzen "
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}||{
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prompt -e "[x] cannot freeze default themes"
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}
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else
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prompt -i "[escaping] snapshot ..."
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fi
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fi
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}
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uninstall() {
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local related_path=$(freezing_snapshot --no-snap)
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local archive_path="${related_path/themes/}/${G_SNAP}"
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[[ ! -f ${archive_path} ]] && {
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prompt -w "not allowed to proceed uninstallation X( !!"
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sleep 2
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exit 12
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}|| {
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prompt -w "-- uninstalling Grub2-Themes"
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prompt -i "removing installed directories ..."
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if [[ -n $(sudo ls -r "${related_path}/") ]] ; then
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sudo rm -r ${related_path}/*
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[[ $? -eq 0 ]] && {
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prompt -s "removed"
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prompt -i "restor default themes"
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sleep 2
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sudo tar -zxf ${related_path/themes/}${G_SNAP} --directory "${related_path/themes/}"
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[[ $? -eq 0 ]] && {
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prompt -s "default themes successfully restored"
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prompt -w "deleting archive file ..."
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sleep 2
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[[ $(sudo rm "$archive_path") -eq 0 ]] &&{
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prompt -s "[ done ]"
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exit 0
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}||{
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prompt -e "no deletable archive file"
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exit 3
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}
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}
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}|| {
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prompt -e "[ deletion error] connot remove directories"
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exit 2
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}
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else
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prompt -e "[ Fatal Error ] Empty themes ..."
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fi
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}
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}
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install() {
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freezing_snapshot
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if [[ ${theme} == 'slaze' ]]; then
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local name="Slaze"
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elif [[ ${theme} == 'stylish' ]]; then
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local name="Stylish"
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elif [[ ${theme} == 'tela' ]]; then
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local name="Tela"
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elif [[ ${theme} == 'vimix' ]]; then
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local name="Vimix"
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else
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prompt -i "\n Run sudo ./install.sh again! or run ./install.sh -h for help"
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exit 0
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fi
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# Checking for root access and proceed if it is present
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if [ "$UID" -eq "$ROOT_UID" ]; then
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# Create themes directory if not exists
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echo -e "\n Checking for the existence of themes directory..."
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[[ -d ${THEME_DIR}/${name} ]] && rm -rf ${THEME_DIR}/${name}
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[[ -d ${THEME_DIR_2}/${name} ]] && rm -rf ${THEME_DIR_2}/${name}
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[[ -d /boot/grub ]] && mkdir -p ${THEME_DIR}/${name}
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[[ -d /boot/grub2 ]] && mkdir -p ${THEME_DIR_2}/${name}
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# Copy theme
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prompt -i "\n Installing ${name} theme..."
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if [ -d /boot/grub ]; then
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cp -a ${REO_DIR}/common/* ${THEME_DIR}/${name}
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cp -a ${REO_DIR}/backgrounds/background-${theme}.jpg ${THEME_DIR}/${name}/background.jpg
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if [ ${theme} == 'tela' ]; then
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cp -a ${REO_DIR}/assets/assets-tela/icons ${THEME_DIR}/${name}
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cp -a ${REO_DIR}/assets/assets-tela/select/*.png ${THEME_DIR}/${name}
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else
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cp -a ${REO_DIR}/assets/assets-white/icons ${THEME_DIR}/${name}
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cp -a ${REO_DIR}/assets/assets-white/select/*.png ${THEME_DIR}/${name}
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fi
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fi
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if [ -d /boot/grub2 ]; then
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cp -a ${REO_DIR}/common/* ${THEME_DIR_2}/${name}
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cp -a ${REO_DIR}/backgrounds/background-${theme}.jpg ${THEME_DIR_2}/${name}/background.jpg
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if [ ${theme} == 'tela' ]; then
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cp -a ${REO_DIR}/assets/assets-tela/icons ${THEME_DIR_2}/${name}
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cp -a ${REO_DIR}/assets/assets-tela/select/*.png ${THEME_DIR_2}/${name}
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else
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cp -a ${REO_DIR}/assets/assets-white/icons ${THEME_DIR_2}/${name}
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cp -a ${REO_DIR}/assets/assets-white/select/*.png ${THEME_DIR_2}/${name}
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fi
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fi
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# Set theme
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prompt -i "\n Setting ${name} as default..."
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grep "GRUB_THEME=" /etc/default/grub 2>&1 >/dev/null && sed -i '/GRUB_THEME=/d' /etc/default/grub
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[[ -d /boot/grub ]] && echo "GRUB_THEME=\"${THEME_DIR}/${name}/theme.txt\"" >> /etc/default/grub
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[[ -d /boot/grub2 ]] && echo "GRUB_THEME=\"${THEME_DIR_2}/${name}/theme.txt\"" >> /etc/default/grub
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# Update grub config
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prompt -i "\n Updating grub config..."
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if has_command update-grub; then
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update-grub
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elif has_command grub-mkconfig; then
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grub-mkconfig -o /boot/grub/grub.cfg
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elif has_command grub2-mkconfig; then
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grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg
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fi
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# Success message
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prompt -s "\n * All done!"
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prompt -w "\n * At the next restart of your computer you will see your new Grub theme: '$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
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read -p "[ trusted ] specify the root password : " -t${MAX_DELAY} -s
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[[ -n "$REPLY" ]]&& {
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if [[ -n "${theme}" ]] ; then
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sudo -S <<< $REPLY $0 --${theme}
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fi
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}|| {
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prompt "\n Operation canceled Bye"
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exit 1
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}
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fi
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}
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run_dialog() {
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if [[ -x /usr/bin/dialog ]]; then
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tui=$(dialog --backtitle "GRUB2 THEMES" \
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--radiolist "Choose your Grub theme : " 15 40 5 \
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1 "Vimix Theme" off \
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2 "Tela Theme" on \
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3 "Stylish Theme" off \
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4 "Slaze Theme" off --output-fd 1 )
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case "$tui" in
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1) theme="vimix" ;;
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2) theme="tela" ;;
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3) theme="stylish" ;;
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4) theme="slaze" ;;
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*) prompt "Canceled" ;;
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esac
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fi
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}
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install_dialog() {
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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
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sudo zypper in dialog
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elif has_command apt-get; then
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sudo apt-get install dialog
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elif has_command dnf; then
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sudo dnf install dialog
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elif has_command yum; then
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sudo yum install dialog
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elif has_command pacman; then
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sudo pacman -S --noconfirm dialog
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fi
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fi
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}
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# show terminal user interface for better use
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if [[ $# -lt 1 ]] && [[ $UID -eq $ROOT_UID ]]; then
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run_dialog
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fi
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if [[ $# -lt 1 ]] && [[ $UID -ne $ROOT_UID ]]; then
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# Error message
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prompt -e "\n [ Error!] -> Run me as root "
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# persisted execution of the script as root
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read -p "[ trusted ] specify the root password : " -t${MAX_DELAY} -s
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[[ -n "$REPLY" ]]&& {
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exec sudo -S <<< $REPLY $0
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}|| {
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prompt "\n Operation canceled Bye"
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exit 1
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}
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fi
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while [[ $# -ge 1 ]]; do
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case "${1}" in
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-l|--slaze)
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theme='slaze'
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;;
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-s|--stylish)
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theme='stylish'
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;;
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-t|--tela)
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theme='tela'
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;;
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-v|--vimix)
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theme='vimix'
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;;
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-h|--help)
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usage
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exit 0
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;;
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-r|--restore)
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uninstall
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;;
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*)
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prompt -e "\n ERROR: Unrecognized installation option '$1'."
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prompt -i "\n Try '$0 --help' for more information."
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exit 1
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;;
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esac
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shift
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done
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install_dialog && install
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exit 0
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