mirror of
https://github.com/vinceliuice/grub2-themes.git
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Merge pull request #151 from The-Plottwist/master
Pull request for 149'th issue
This commit is contained in:
Vince
GitHub
commit
468bee78f5
187
install.sh
187
install.sh
@ -1,24 +1,16 @@
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#! /usr/bin/env bash
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# Grub2 Themes
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# Exit Immediately if a command fails
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set -o errexit
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[ GLOBAL::CONF ]
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{
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readonly ROOT_UID=0
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readonly Project_Name="GRUB2::THEMES"
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readonly MAX_DELAY=20 # max delay for user to enter root password
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tui_root_login=
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THEME_DIR="/usr/share/grub/themes"
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REO_DIR="$(cd $(dirname $0) && pwd)"
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}
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#
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# ──────────────────────────────────────────────────── I ──────────
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# :::::: C O L O R S : : : : : : : :
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# ──────────────────────────────────────────────────────────────
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#
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THEME_VARIANTS=('tela' 'vimix' 'stylish' 'whitesur')
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ICON_VARIANTS=('color' 'white' 'whitesur')
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SCREEN_VARIANTS=('1080p' '2k' '4k' 'ultrawide' 'ultrawide2k')
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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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@ -30,6 +22,32 @@ 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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#
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# ────────────────────────────────────────────────────── II ──────────
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# :::::: G L O B A L S : : : : : : : :
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# ────────────────────────────────────────────────────────────────
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#
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readonly ROOT_UID=0
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readonly Project_Name="GRUB2::THEMES"
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readonly MAX_DELAY=20 # max delay for user to enter root password
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tui_root_login=
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THEME_DIR="/usr/share/grub/themes"
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REO_DIR="$(cd $(dirname $0) && pwd)"
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THEME_VARIANTS=('tela' 'vimix' 'stylish' 'whitesur')
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ICON_VARIANTS=('color' 'white' 'whitesur')
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SCREEN_VARIANTS=('1080p' '2k' '4k' 'ultrawide' 'ultrawide2k')
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#
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# ────────────────────────────────────────────────────────── III ──────────
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# :::::: F U N C T I O N S : : : : : : : :
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# ────────────────────────────────────────────────────────────────────
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#
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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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@ -49,7 +67,7 @@ prompt () {
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# Check command availability
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function has_command() {
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command -v $1 > /dev/null
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command -v $1 &> /dev/null #with "&>", all output will be redirected.
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}
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usage() {
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@ -72,7 +90,7 @@ install() {
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if [[ "$UID" -eq "$ROOT_UID" ]]; then
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clear
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# Create themes directory if it didn't exist
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# Make a themes directory if it doesn't exist
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prompt -s "\n Checking for the existence of themes directory..."
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[[ -d "${THEME_DIR}/${theme}" ]] && rm -rf "${THEME_DIR}/${theme}"
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@ -187,29 +205,31 @@ install() {
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updating_grub
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prompt -w "\n * At the next restart of your computer you will see your new Grub theme: '$theme' "
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else
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#Check if password is cached (if cache timestamp not expired yet)
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sudo -n true 2> /dev/null && echo
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if [[ $? == 0 ]]; then
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#No need to ask for password
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#Check if password is cached (if cache timestamp has not expired yet)
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elif sudo -n true 2> /dev/null && echo; then #No need for "$?" ==> https://github.com/koalaman/shellcheck/wiki/SC2181
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sudo "$0" -t ${theme} -i ${icon} -s ${screen}
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else
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#Ask for password
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if [[ -n ${tui_root_login} ]] ; then
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if [[ -n "${theme}" && -n "${screen}" ]]; then
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sudo -S $0 -t ${theme} -i ${icon} -s ${screen} <<< ${tui_root_login}
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fi
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else
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prompt -e "\n [ Error! ] -> Run me as root! "
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read -p " [ Trusted ] Specify the root password : " -t ${MAX_DELAY} -s
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read -r -p " [ Trusted ] Specify the root password : " -t ${MAX_DELAY} -s
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sudo -S echo <<< $REPLY 2> /dev/null && echo
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if sudo -S echo <<< $REPLY 2> /dev/null && echo; then
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if [[ $? == 0 ]]; then
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#Correct password, use with sudo's stdin
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sudo -S "$0" -t ${theme} -i ${icon} -s ${screen} <<< ${REPLY}
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else
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#block for 3 seconds before allowing another attempt
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sleep 3
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prompt -e "\n [ Error! ] -> Incorrect password!\n"
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@ -217,16 +237,13 @@ install() {
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fi
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fi
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fi
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fi
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}
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run_dialog() {
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if [[ -x /usr/bin/dialog ]]; then
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if [[ "$UID" -ne "$ROOT_UID" ]]; then
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#Check if password is cached (if cache timestamp not expired yet)
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sudo -n true 2> /dev/null && echo
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if [[ $? == 0 ]]; then
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if sudo -n true 2> /dev/null && echo; then
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#No need to ask for password
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sudo $0
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else
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@ -237,9 +254,7 @@ run_dialog() {
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--passwordbox "require root permission" 8 50 \
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--output-fd 1 )
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sudo -S echo <<< $tui_root_login 2> /dev/null && echo
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if [[ $? == 0 ]]; then
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if sudo -S echo <<< $tui_root_login 2> /dev/null && echo; then
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#Correct password, use with sudo's stdin
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sudo -S "$0" <<< $tui_root_login
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else
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@ -324,20 +339,30 @@ updating_grub() {
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prompt -s "\n * All done!"
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}
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function install_program () {
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if has_command zypper; then
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zypper in "$@"
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elif has_command apt-get; then
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apt-get install "$@"
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elif has_command dnf; then
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dnf install -y "$@"
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elif has_command yum; then
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yum install "$@"
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elif has_command pacman; then
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pacman -S --noconfirm "$@"
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fi
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}
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install_dialog() {
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if [ ! "$(which dialog 2> /dev/null)" ]; then
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prompt -w "\n 'dialog' need to be installed for this shell"
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if has_command zypper; then
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sudo zypper in dialog
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elif has_command apt-get; then
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sudo apt-get install dialog
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elif has_command dnf; then
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sudo dnf install -y dialog
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elif has_command yum; then
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sudo yum install dialog
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elif has_command pacman; then
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sudo pacman -S --noconfirm dialog
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fi
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install_program "dialog"
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fi
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}
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@ -346,47 +371,58 @@ remove() {
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# Check for root access and proceed if it is present
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if [ "$UID" -eq "$ROOT_UID" ]; then
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echo -e "\n Checking for the existence of themes directory..."
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if [[ -d "${THEME_DIR}/${theme}" ]]; then
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rm -rf "${THEME_DIR}/${theme}"
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else
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prompt -e "\n ${theme} grub theme not exist!"
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prompt -e "\n Specified ${theme} theme does not exist!"
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exit 0
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fi
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# Backup grub config
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if [[ -f "/etc/default/grub.bak" ]]; then
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rm -rf /etc/default/grub && mv /etc/default/grub.bak /etc/default/grub
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local grub_config_location=""
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if [[ -f "/etc/default/grub" ]]; then
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grub_config_location="/etc/default/grub"
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elif [[ -f "/etc/default/grub.d/kali-themes.cfg" ]]; then
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grub_config_location="/etc/default/grub.d/kali-themes.cfg"
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else
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prompt -e "\n grub.bak not exist!"
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exit 0
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prompt -e "\nCannot find grub config file in default locations!"
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prompt -e "\nPlease inform the developers by opening an issue on github."
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prompt -e "\nExiting..."
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exit 1
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fi
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# For Kali linux
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if [[ -f "/etc/default/grub.d/kali-themes.cfg.bak" ]]; then
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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
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fi
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local current_theme="" # Declaration and assignment should be done seperately ==> https://github.com/koalaman/shellcheck/wiki/SC2155
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current_theme="$(grep 'GRUB_THEME=' $grub_config_location | grep -v \#)"
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if [[ -n "$current_theme" ]]; then
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# Backup with --in-place option to grub.bak within the same directory; then remove the current theme.
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sed --in-place='.bak' "s|$current_theme|#GRUB_THEME=|" "$grub_config_location"
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# Update grub config
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prompt -s "\n Resetting grub theme...\n"
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updating_grub
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else
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prompt -e "\nNo active theme found."
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prompt -e "\nExiting..."
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exit 1
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fi
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else
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#Check if password is cached (if cache timestamp not expired yet)
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sudo -n true 2> /dev/null && echo
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if [[ $? == 0 ]]; then
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if sudo -n true 2> /dev/null && echo; then
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#No need to ask for password
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sudo "$0" "${PROG_ARGS[@]}"
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else
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#Ask for password
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prompt -e "\n [ Error! ] -> Run me as root! "
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read -p " [ Trusted ] Specify the root password : " -t ${MAX_DELAY} -s
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read -r -p " [ Trusted ] Specify the root password : " -t ${MAX_DELAY} -s #when using "read" command, "-r" option must be supplied ==> https://github.com/koalaman/shellcheck/wiki/SC2162
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sudo -S echo <<< $REPLY 2> /dev/null && echo
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if [[ $? == 0 ]]; then
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if sudo -S echo <<< $REPLY 2> /dev/null && echo; then
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#Correct password, use with sudo's stdin
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sudo -S "$0" "${PROG_ARGS[@]}" <<< $REPLY
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else
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@ -404,19 +440,16 @@ dialog_installer() {
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if [[ ! -x /usr/bin/dialog ]]; then
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if [[ $UID -ne $ROOT_UID ]]; then
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#Check if password is cached (if cache timestamp not expired yet)
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sudo -n true 2> /dev/null && echo
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if [[ $? == 0 ]]; then
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if sudo -n true 2> /dev/null && echo; then
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#No need to ask for password
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exec sudo $0
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else
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#Ask for password
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prompt -e "\n [ Error! ] -> Run me as root! "
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read -p " [ Trusted ] Specify the root password : " -t ${MAX_DELAY} -s
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read -r -p " [ Trusted ] Specify the root password : " -t ${MAX_DELAY} -s
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sudo -S echo <<< $REPLY 2> /dev/null && echo
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if [[ $? == 0 ]]; then
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if sudo -S echo <<< $REPLY 2> /dev/null && echo; then
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#Correct password, use with sudo's stdin
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sudo $0 <<< $REPLY
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else
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@ -433,6 +466,13 @@ dialog_installer() {
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install "${theme}" "${icon}" "${screen}"
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}
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#
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# ────────────────────────────────────────────────────────────────────────── IV ──────────
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# :::::: A R G U M E N T H A N D L I N G : : : : : : : :
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# ────────────────────────────────────────────────────────────────────────────────────
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#
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while [[ $# -gt 0 ]]; do
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PROG_ARGS+=("${1}")
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dialog='false'
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@ -465,7 +505,7 @@ while [[ $# -gt 0 ]]; do
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themes+=("${THEME_VARIANTS[3]}")
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shift
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;;
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-*|--*)
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-*) # "-*" overrides "--*"
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break
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;;
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*)
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@ -492,7 +532,7 @@ while [[ $# -gt 0 ]]; do
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icons+=("${ICON_VARIANTS[2]}")
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shift
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;;
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-*|--*)
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-*)
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break
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;;
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*)
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@ -527,7 +567,7 @@ while [[ $# -gt 0 ]]; do
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screens+=("${SCREEN_VARIANTS[4]}")
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shift
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;;
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-*|--*)
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-*)
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break
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;;
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*)
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@ -550,6 +590,13 @@ while [[ $# -gt 0 ]]; do
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esac
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done
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#
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# ──────────────────────────────────────────────── V ──────────
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# :::::: M A I N : : : : : : : :
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# ──────────────────────────────────────────────────────────
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#
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# Show terminal user interface for better use
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if [[ "${dialog:-}" == 'false' ]]; then
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if [[ "${remove:-}" != 'true' ]]; then
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