mirror of
https://github.com/vinceliuice/grub2-themes.git
synced 2024-12-25 07:25:35 +01:00
Improved Readability
Added section headers and made some rearrangements to improve readability. Removed discouraged '$?' usage. Added install_program function.
This commit is contained in:
The-Plottwist
parent
f1e03b4949
commit
2824010b86
175
install.sh
175
install.sh
@ -1,7 +1,33 @@
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#! /usr/bin/env bash
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# Grub2 Themes
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set -o errexit
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# Exit Immediately if a command fails
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set -o errexit
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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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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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#
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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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[ GLOBAL::CONF ]
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{
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@ -18,17 +44,12 @@ 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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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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#
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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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@ -49,7 +70,7 @@ 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 $1 &> /dev/null #with "&>", all output will be redirected.
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}
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usage() {
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@ -72,7 +93,7 @@ install() {
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if [[ "$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}/${theme}"
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@ -187,46 +208,45 @@ install() {
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updating_grub
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prompt -w "\n * At the next restart of your computer you will see your new Grub theme: '$theme' "
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#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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#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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sudo "$0" -t ${theme} -i ${icon} -s ${screen}
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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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#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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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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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" -t ${theme} -i ${icon} -s ${screen} <<< ${REPLY}
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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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sudo -S echo <<< $REPLY 2> /dev/null && echo
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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} <<< ${REPLY}
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else
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#block for 3 seconds before allowing another attempt
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sleep 3
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prompt -e "\n [ Error! ] -> Incorrect password!\n"
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exit 1
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fi
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#block for 3 seconds before allowing another attempt
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sleep 3
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prompt -e "\n [ Error! ] -> Incorrect password!\n"
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exit 1
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fi
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fi
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fi
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fi
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}
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run_dialog() {
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if [[ -x /usr/bin/dialog ]]; then
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if [[ "$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 +257,7 @@ 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" <<< $tui_root_login
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else
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@ -324,20 +342,30 @@ updating_grub() {
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prompt -s "\n * All done!"
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}
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function install_program () {
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if has_command zypper; then
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zypper in "$@"
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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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@ -374,9 +402,7 @@ remove() {
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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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@ -384,9 +410,7 @@ remove() {
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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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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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@ -404,9 +428,8 @@ 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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@ -414,9 +437,7 @@ dialog_installer() {
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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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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 <<< $REPLY
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else
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@ -433,6 +454,13 @@ dialog_installer() {
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install "${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 +493,7 @@ 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 +520,7 @@ 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 +555,7 @@ 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 +578,13 @@ 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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