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install.sh
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install.sh
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#!/bin/bash
#/**
# * ChrisTechTips Grub2 Theme Installer
# *
# * @license MIT
# * @author "Chris Titus" <[email protected]>
# * @author "Matthias Morin" <[email protected]>
# * @version 1.0.0
# * @link https://youtu.be/BAyzHP1Cqb0
# */
#THEME_DIR='/usr/share/grub/themes'
THEME_DIR='/boot/grub/themes'
THEME_NAME=''
function echo_title() { echo -ne "\033[1;44;37m${*}\033[0m\n"; }
function echo_caption() { echo -ne "\033[0;1;44m${*}\033[0m\n"; }
function echo_bold() { echo -ne "\033[0;1;34m${*}\033[0m\n"; }
function echo_danger() { echo -ne "\033[0;31m${*}\033[0m\n"; }
function echo_success() { echo -ne "\033[0;32m${*}\033[0m\n"; }
function echo_warning() { echo -ne "\033[0;33m${*}\033[0m\n"; }
function echo_secondary() { echo -ne "\033[0;34m${*}\033[0m\n"; }
function echo_info() { echo -ne "\033[0;35m${*}\033[0m\n"; }
function echo_primary() { echo -ne "\033[0;36m${*}\033[0m\n"; }
function echo_error() { echo -ne "\033[0;1;31merror:\033[0;31m\t${*}\033[0m\n"; }
function echo_label() { echo -ne "\033[0;1;32m${*}:\033[0m\t"; }
function echo_prompt() { echo -ne "\033[0;36m${*}\033[0m "; }
function splash() {
local hr
hr=" **$(printf "%${#1}s" | tr ' ' '*')** "
echo_title "${hr}"
echo_title " * $1 * "
echo_title "${hr}"
echo
}
function check_root() {
# Checking for root access and proceed if it is present
ROOT_UID=0
if [[ ! "${UID}" -eq "${ROOT_UID}" ]]; then
# Error message
echo_error 'Run me as root.'
echo_info 'try sudo ./install.sh'
exit 1
fi
}
function select_theme() {
themes=('Vimix' 'Cyberpunk' 'Shodan' 'fallout' 'CyberRe' 'minegrub-theme' 'Quit')
PS3=$(echo_prompt '\nChoose The Theme You Want: ')
select THEME_NAME in "${themes[@]}"; do
case "${THEME_NAME}" in
'Vimix')
splash 'Installing Vimix Theme...'
break;;
'Cyberpunk')
splash 'Installing Cyberpunk Theme...'
break;;
'Shodan')
splash 'Installing Shodan Theme...'
break;;
'fallout')
splash 'Installing fallout Theme...'
break;;
'CyberRe')
splash 'Installing CyberRe Theme...'
break;;
'minegrub-theme')
splash 'Installing Minecraft Theme...'
break;;
'Quit')
echo_info 'User requested exit...!'
exit 0;;
*) echo_warning "invalid option \"${REPLY}\"";;
esac
done
}
function backup() {
# Backup grub config
echo_info 'cp -an /etc/default/grub /etc/default/grub.bak'
cp -an /etc/default/grub /etc/default/grub.bak
}
function install_theme() {
# create themes directory if not exists
if [[ ! -d "${THEME_DIR}/${THEME_NAME}" ]]; then
# Copy theme
echo_primary "Installing ${THEME_NAME} theme..."
echo_info "mkdir -p \"${THEME_DIR}/${THEME_NAME}\""
mkdir -p "${THEME_DIR}/${THEME_NAME}"
echo_info "cp -a ./themes/\"${THEME_NAME}\"/* \"${THEME_DIR}/${THEME_NAME}\""
cp -a ./themes/"${THEME_NAME}"/* "${THEME_DIR}/${THEME_NAME}"
fi
}
function config_grub() {
echo_primary 'Enabling grub menu'
# remove default grub style if any
echo_info "sed -i '/GRUB_TIMEOUT_STYLE=/d' /etc/default/grub"
sed -i '/GRUB_TIMEOUT_STYLE=/d' /etc/default/grub
echo_info "echo 'GRUB_TIMEOUT_STYLE=\"menu\"' >> /etc/default/grub"
echo 'GRUB_TIMEOUT_STYLE="menu"' >> /etc/default/grub
#--------------------------------------------------
echo_primary 'Setting grub timeout to 60 seconds'
# remove default timeout if any
echo_info "sed -i '/GRUB_TIMEOUT=/d' /etc/default/grub"
sed -i '/GRUB_TIMEOUT=/d' /etc/default/grub
echo_info "echo 'GRUB_TIMEOUT=\"60\"' >> /etc/default/grub"
echo 'GRUB_TIMEOUT="60"' >> /etc/default/grub
#--------------------------------------------------
echo_primary "Setting ${THEME_NAME} as default"
# remove theme if any
echo_info "sed -i '/GRUB_THEME=/d' /etc/default/grub"
sed -i '/GRUB_THEME=/d' /etc/default/grub
echo_info "echo \"GRUB_THEME=\"${THEME_DIR}/${THEME_NAME}/theme.txt\"\" >> /etc/default/grub"
echo "GRUB_THEME=\"${THEME_DIR}/${THEME_NAME}/theme.txt\"" >> /etc/default/grub
#--------------------------------------------------
echo_primary 'Setting grub graphics mode to auto'
# remove default timeout if any
echo_info "sed -i '/GRUB_GFXMODE=/d' /etc/default/grub"
sed -i '/GRUB_GFXMODE=/d' /etc/default/grub
echo_info "echo 'GRUB_GFXMODE=\"auto\"' >> /etc/default/grub"
echo 'GRUB_GFXMODE="auto"' >> /etc/default/grub
}
function update_grub() {
# Update grub config
echo_primary 'Updating grub config...'
if [[ -x "$(command -v update-grub)" ]]; then
echo_info 'update-grub'
update-grub
elif [[ -x "$(command -v grub-mkconfig)" ]]; then
echo_info 'grub-mkconfig -o /boot/grub/grub.cfg'
grub-mkconfig -o /boot/grub/grub.cfg
elif [[ -x "$(command -v grub2-mkconfig)" ]]; then
if [[ -x "$(command -v zypper)" ]]; then
echo_info 'grub2-mkconfig -o /boot/grub2/grub.cfg'
grub2-mkconfig -o /boot/grub2/grub.cfg
elif [[ -x "$(command -v dnf)" ]]; then
echo_info 'grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg'
grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg
fi
fi
}
function main() {
splash 'The Matrix awaits you...'
check_root
select_theme
install_theme
config_grub
update_grub
echo_success 'Boot Theme Update Successful!'
}
main