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|
#!/usr/bin/env bash
THEMES_PER_PAGE=9
GRUB_CONFIG="/etc/default/grub"
GRUB_THEMES_DIR="/usr/share/grub/themes"
RED='\033[1;31m'
GREEN='\033[1;32m'
YELLOW='\033[1;33m'
BLUE='\033[1;34m'
CYAN='\033[1;36m'
MAGENTA='\033[1;35m'
BOLD='\033[1m'
DIM='\033[2m'
NC='\033[0m'
show_logo() {
echo -e "${CYAN}${BOLD}"
cat <<'EOF'
██████╗ ██████╗ ████████╗██╗ ██╗
██╔══██╗██╔══██╗╚══██╔══╝╚██╗██╔╝
██████╔╝██████╔╝ ██║ ╚███╔╝
██╔═══╝ ██╔══██╗ ██║ ██╔██╗
██║ ██║ ██║ ██║ ██╔╝ ██╗
╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝
,--,
,---.'|
| | :
: : | ,---,
| ' : ,---.'|
; ; ' | | : .--.--.
' | |__ ,--.--. : : : / / '
| | :.'| / \ : |,-.| : /`./
' : ;.--. .-. || : ' || : ;_
| | ./ \__\/: . .| | / : \ \ `.
; : ; ," .--.; |' : |: | `----. \
| ,/ / / ,. || | '/ : / /`--' /__
'---' ; : .' \ : |'--'. / .\
| , .-./ \ / `--'---'\ ; |
`--`---' `-'----' `--"
EOF
echo -e "${NC}"
echo -e "${DIM}${CYAN} ═══════════════════════════════════════${NC}"
echo -e "${MAGENTA}${BOLD} GRUB Mutator${NC}"
echo -e "${DIM}${CYAN} ═══════════════════════════════════════${NC}"
echo ""
}
get_installed_themes() {
if [ ! -d "$GRUB_THEMES_DIR" ]; then
echo -e "${RED}Directory $GRUB_THEMES_DIR not found${NC}"
return 1
fi
themes=("default")
while IFS= read -r theme; do
themes+=("$theme")
done < <(find "$GRUB_THEMES_DIR" -mindepth 1 -maxdepth 1 -type d -exec basename {} \; | sort)
}
get_current_theme() {
current_theme="default"
if [ -f "$GRUB_CONFIG" ]; then
local theme_path=$(grep "^GRUB_THEME=" "$GRUB_CONFIG" 2>/dev/null | cut -d'"' -f2)
if [ -n "$theme_path" ]; then
current_theme=$(echo "$theme_path" | sed 's|/theme\.txt$||' | xargs basename)
fi
fi
}
show_page() {
local page=$1
local start_idx=$((page * THEMES_PER_PAGE))
local end_idx=$((start_idx + THEMES_PER_PAGE))
local total_pages=$(( (${#themes[@]} + THEMES_PER_PAGE - 1) / THEMES_PER_PAGE ))
clear
show_logo
echo -e "${CYAN}╔══════════════════════════════════════════════════════════════╗${NC}"
echo -e "${CYAN}║${NC} ${BOLD}Active Theme:${NC} ${GREEN}${BOLD}$current_theme${NC}$(printf '%*s' $((46 - ${#current_theme})) '')${CYAN}║${NC}"
echo -e "${CYAN}║${NC} ${DIM}Page ${MAGENTA}${BOLD}$((page + 1))${NC}${DIM}/${MAGENTA}${BOLD}$total_pages${NC}$(printf '%*s' 52 '')${CYAN}║${NC}"
echo -e "${CYAN}╠══════════════════════════════════════════════════════════════╣${NC}"
echo ""
local display_num=1
for i in $(seq $start_idx $((end_idx - 1))); do
if [ $i -lt ${#themes[@]} ]; then
local theme="${themes[$i]}"
local display_name="$theme"
[ "$theme" = "default" ] && display_name="◈ No Theme"
if [ "$theme" = "$current_theme" ]; then
echo -e " ${GREEN}${BOLD}[$display_num]${NC} ${GREEN}●${NC} ${BOLD}$display_name${NC} ${YELLOW}✓${NC}"
else
echo -e " ${CYAN}[$display_num]${NC} ${DIM}○${NC} $display_name"
fi
((display_num++))
fi
done
echo ""
echo -e "${CYAN}╠══════════════════════════════════════════════════════════════╣${NC}"
if [ $total_pages -gt 1 ]; then
echo -e "${CYAN}║${NC} ${YELLOW}[\`]${NC} ${DIM}←${NC} Previous ${YELLOW}[-]${NC} ${DIM}→${NC} Next$(printf '%*s' 34 '')${CYAN}║${NC}"
fi
echo -e "${CYAN}║${NC} ${BLUE}[I]${NC} Install Themes ${MAGENTA}[R]${NC} Reboot System$(printf '%*s' 23 '')${CYAN}║${NC}"
echo -e "${CYAN}║${NC} ${RED}[U]${NC} Uninstall All ${RED}[Q]${NC} Quit$(printf '%*s' 33 '')${CYAN}║${NC}"
echo -e "${CYAN}╚══════════════════════════════════════════════════════════════╝${NC}"
echo ""
}
apply_theme() {
local theme_name=$1
if [ "$theme_name" = "default" ]; then
echo ""
echo -e "${MAGENTA}${BOLD}⚙${NC} Reset to Default Theme"
echo -e "${DIM}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
sudo sed -i '/^GRUB_THEME=/d' "$GRUB_CONFIG"
echo -e "${YELLOW}⟳${NC} Updating GRUB configuration..."
sudo grub-mkconfig -o /boot/grub/grub.cfg > /dev/null 2>&1
echo ""
echo -e "${GREEN}${BOLD}✓${NC} Default theme applied!"
echo -e "${YELLOW}⚠${NC} ${DIM}Reboot your system to see the changes.${NC}"
echo ""
sleep 1.5
return 0
fi
local theme_path="$GRUB_THEMES_DIR/$theme_name/theme.txt"
if [ ! -f "$theme_path" ]; then
echo -e "${RED}${BOLD}✗${NC} Theme file not found: ${DIM}$theme_path${NC}"
sleep 1.5
return 1
fi
echo ""
echo -e "${MAGENTA}${BOLD}⚙${NC} Applying Theme: ${CYAN}${BOLD}$theme_name${NC}"
echo -e "${DIM}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
sudo cp "$GRUB_CONFIG" "$GRUB_CONFIG.backup.$(date +%s)" 2>/dev/null || true
if grep -q "^GRUB_THEME=" "$GRUB_CONFIG"; then
sudo sed -i "s|^GRUB_THEME=.*|GRUB_THEME=\"$theme_path\"|" "$GRUB_CONFIG"
else
echo "GRUB_THEME=\"$theme_path\"" | sudo tee -a "$GRUB_CONFIG" > /dev/null
fi
echo -e "${YELLOW}⟳${NC} Updating GRUB configuration..."
sudo grub-mkconfig -o /boot/grub/grub.cfg > /dev/null 2>&1
echo ""
echo -e "${GREEN}${BOLD}✓${NC} Theme ${CYAN}${BOLD}'$theme_name'${NC} successfully applied!"
echo -e "${YELLOW}⚠${NC} ${DIM}Reboot your system to see the changes.${NC}"
echo ""
sleep 1.5
}
install_menu() {
while true; do
clear
show_logo
echo -e "${CYAN}╔══════════════════════════════════════════════════════════════╗${NC}"
echo -e "${CYAN}║${NC} ${MAGENTA}${BOLD}GRUB THEMES INSTALLATION${NC}$(printf '%*s' 37 '')${CYAN}║${NC}"
echo -e "${CYAN}╠══════════════════════════════════════════════════════════════╣${NC}"
echo ""
echo -e " ${GREEN}${BOLD}[1]${NC} ${YELLOW}★${NC} Universal Collection"
echo -e " ${GREEN}${BOLD}[2]${NC} ${MAGENTA}◆${NC} Dark Side Collection ${DIM}(preferable)${NC}"
echo ""
echo -e " ${CYAN}${BOLD}[3]${NC} Complete Collection ${DIM}(4K maximum)${NC}"
echo -e " ${CYAN}${BOLD}[4]${NC} Complete Collection ${DIM}(2K quality)${NC}"
echo -e " ${CYAN}${BOLD}[5]${NC} Complete Collection ${DIM}(1080p standard)${NC}"
echo ""
echo -e " ${BLUE}${BOLD}[6]${NC} Widescreen Collection ${DIM}(Ultrawide 2K)${NC}"
echo -e " ${BLUE}${BOLD}[7]${NC} Widescreen Collection ${DIM}(Ultrawide 1K)${NC}"
echo ""
echo -e " ${RED}${BOLD}[8]${NC} ${DIM}...they say installing everything is a bad idea...${NC}"
echo ""
echo -e "${CYAN}╠══════════════════════════════════════════════════════════════╣${NC}"
echo -e "${CYAN}║${NC} ${RED}[Q]${NC} Back$(printf '%*s' 52 '')${CYAN}║${NC}"
echo -e "${CYAN}╚══════════════════════════════════════════════════════════════╝${NC}"
echo ""
echo -ne "${BOLD}Choice: ${NC}"
IFS= read -rsn1 choice
while read -r -t 0; do read -r -t 0.01; done
case $choice in
q|Q)
return
;;
1)
echo ""
echo -e "${YELLOW}Installing universal collection...${NC}"
sudo pacman -S dracula-grub-theme-git catppuccin-mocha-grub-theme-git grub-theme-vimix-color-1080p-git grub-theme-whitesur-color-1080p-git grub-theme-tela-color-1080p-git grub-theme-stylish-color-1080p-git
sleep 2
;;
2)
echo ""
echo -e "${MAGENTA}Installing Dracula and Catppuccin collection...${NC}"
sudo pacman -S dracula-grub-theme-git catppuccin-frappe-grub-theme-git catppuccin-latte-grub-theme-git catppuccin-macchiato-grub-theme-git catppuccin-mocha-grub-theme-git
sleep 2
;;
3)
echo ""
echo -e "${CYAN}Installing complete 4K collection...${NC}"
sudo pacman -S grub-theme-stylish-color-4k-git grub-theme-stylish-white-4k-git grub-theme-stylish-whitesur-4k-git grub-theme-tela-color-4k-git grub-theme-tela-white-4k-git grub-theme-tela-whitesur-4k-git grub-theme-vimix-color-4k-git grub-theme-vimix-white-4k-git grub-theme-vimix-whitesur-4k-git grub-theme-whitesur-color-4k-git grub-theme-whitesur-white-4k-git grub-theme-whitesur-whitesur-4k-git
sleep 2
;;
4)
echo ""
echo -e "${CYAN}Installing complete 2K collection...${NC}"
sudo pacman -S grub-theme-stylish-color-2k-git grub-theme-stylish-white-2k-git grub-theme-stylish-whitesur-2k-git grub-theme-tela-color-2k-git grub-theme-tela-white-2k-git grub-theme-tela-whitesur-2k-git grub-theme-vimix-color-2k-git grub-theme-vimix-white-2k-git grub-theme-vimix-whitesur-2k-git grub-theme-whitesur-color-2k-git grub-theme-whitesur-white-2k-git grub-theme-whitesur-whitesur-2k-git
sleep 2
;;
5)
echo ""
echo -e "${CYAN}Installing complete 1080p collection...${NC}"
sudo pacman -S grub-theme-vimix grub-theme-stylish-color-1080p-git grub-theme-stylish-white-1080p-git grub-theme-stylish-whitesur-1080p-git grub-theme-tela-color-1080p-git grub-theme-tela-white-1080p-git grub-theme-tela-whitesur-1080p-git grub-theme-vimix-color-1080p-git grub-theme-vimix-white-1080p-git grub-theme-vimix-whitesur-1080p-git grub-theme-whitesur-color-1080p-git grub-theme-whitesur-white-1080p-git grub-theme-whitesur-whitesur-1080p-git
sleep 2
;;
6)
echo ""
echo -e "${BLUE}Installing Ultrawide 2K collection...${NC}"
sudo pacman -S grub-theme-stylish-color-ultrawide2k-git grub-theme-stylish-white-ultrawide2k-git grub-theme-stylish-whitesur-ultrawide2k-git grub-theme-tela-color-ultrawide2k-git grub-theme-tela-white-ultrawide2k-git grub-theme-tela-whitesur-ultrawide2k-git grub-theme-vimix-color-ultrawide2k-git grub-theme-vimix-white-ultrawide2k-git grub-theme-vimix-whitesur-ultrawide2k-git
sleep 2
;;
7)
echo ""
echo -e "${BLUE}Installing Ultrawide 1K collection...${NC}"
sudo pacman -S grub-theme-stylish-color-ultrawide-git grub-theme-stylish-white-ultrawide-git grub-theme-stylish-whitesur-ultrawide-git grub-theme-tela-color-ultrawide-git grub-theme-tela-white-ultrawide-git grub-theme-tela-whitesur-ultrawide-git grub-theme-vimix-color-ultrawide-git grub-theme-vimix-white-ultrawide-git grub-theme-vimix-whitesur-ultrawide-git
sleep 2
;;
8)
echo ""
echo -e "${RED}${BOLD}⚠ Serious Warning ⚠${NC}"
echo ""
echo -e "${DIM}Security log, entry #347:${NC}"
echo -e "${YELLOW}Installing all available GRUB themes...${NC}"
echo -e "${RED}May require significant disk space.${NC}"
echo ""
echo -ne "${BOLD}Enter '0' to confirm (1/5): ${NC}"
IFS= read -rsn1 conf1
while read -r -t 0; do read -r -t 0.01; done
if [ "$conf1" != "0" ]; then
echo -e "${CYAN}Operation cancelled.${NC}"
sleep 1
continue
fi
echo ""
echo -e "${DIM}Technical note:${NC}"
echo -e "${RED}Disk overflow may cause boot failure.${NC}"
echo -ne "${BOLD}Enter '1' to confirm (2/5): ${NC}"
IFS= read -rsn1 conf2
while read -r -t 0; do read -r -t 0.01; done
if [ "$conf2" != "1" ]; then
echo -e "${CYAN}Operation cancelled.${NC}"
sleep 1
continue
fi
echo ""
echo -e "${DIM}Installation statistics:${NC}"
echo -e "${RED}Process may take considerable time.${NC}"
echo -ne "${BOLD}Enter '2' to confirm (3/5): ${NC}"
IFS= read -rsn1 conf3
while read -r -t 0; do read -r -t 0.01; done
if [ "$conf3" != "2" ]; then
echo -e "${CYAN}Operation cancelled.${NC}"
sleep 1
continue
fi
echo ""
echo -e "${DIM}Pre-final check:${NC}"
echo -e "${RED}Make sure you have at least 500MB free space.${NC}"
echo -ne "${BOLD}Enter '3' to confirm (4/5): ${NC}"
IFS= read -rsn1 conf4
while read -r -t 0; do read -r -t 0.01; done
if [ "$conf4" != "3" ]; then
echo -e "${CYAN}Operation cancelled.${NC}"
sleep 1
continue
fi
echo ""
echo -e "${RED}${BOLD}FINAL CONFIRMATION${NC}"
echo -e "${DIM}...but if you really want to, you can...${NC}"
echo ""
echo -ne "${BOLD}Type 'yes, i confirm this' or 'да, я подтверждаю это' (5/5): ${NC}"
read -r final_conf
if [ "$final_conf" != "yes, i confirm this" ] && [ "$final_conf" != "да, я подтверждаю это" ]; then
echo -e "${CYAN}Wise decision.${NC}"
sleep 1
continue
fi
echo ""
echo -e "${YELLOW}Installing all GRUB themes...${NC}"
sudo pacman -S $(pacman -Ssq grub-theme)
sleep 2
;;
esac
done
}
reboot_system() {
local r_count=0
echo ""
echo -e "${YELLOW}${BOLD}⚠ SYSTEM REBOOT ⚠${NC}"
echo -e "${DIM}Press 'R' twice to confirm${NC}"
echo ""
while [ $r_count -lt 2 ]; do
echo -ne "${BOLD}Confirmation ($(($r_count + 1))/2): ${NC}"
IFS= read -rsn1 conf
while read -r -t 0; do read -r -t 0.01; done
if [ "$conf" = "r" ] || [ "$conf" = "R" ]; then
((r_count++))
echo -e "${GREEN}✓${NC}"
else
echo -e "${RED}✗${NC}"
echo -e "${CYAN}Reboot cancelled.${NC}"
sleep 1
return
fi
done
echo ""
echo -e "${GREEN}Rebooting system...${NC}"
sleep 1
sudo reboot
}
uninstall_all_themes() {
echo ""
echo -e "${RED}${BOLD}⚠ UNINSTALL ALL THEMES ⚠${NC}"
echo -e "${DIM}Press 'U' to confirm${NC}"
echo ""
echo -ne "${BOLD}Confirmation: ${NC}"
IFS= read -rsn1 conf
while read -r -t 0; do read -r -t 0.01; done
if [ "$conf" = "u" ] || [ "$conf" = "U" ]; then
echo -e "${GREEN}✓${NC}"
else
echo -e "${RED}✗${NC}"
echo -e "${CYAN}Uninstall cancelled.${NC}"
sleep 1
return
fi
echo ""
echo -e "${YELLOW}Uninstalling all GRUB themes...${NC}"
sudo pacman -Rns $(pacman -Qq | grep grub-theme) --noconfirm 2>/dev/null || true
sudo sed -i '/^GRUB_THEME=/d' "$GRUB_CONFIG"
sudo grub-mkconfig -o /boot/grub/grub.cfg > /dev/null 2>&1
echo ""
echo -e "${GREEN}${BOLD}✓${NC} All themes uninstalled!"
echo ""
sleep 1.5
}
main() {
if [ "$EUID" -eq 0 ]; then
echo -e "${RED}Do not run the script with root privileges directly!${NC}"
echo -e "${YELLOW}The script will request sudo when needed.${NC}"
exit 1
fi
get_installed_themes || exit 1
get_current_theme
local current_page=0
local total_pages=$(( (${#themes[@]} + THEMES_PER_PAGE - 1) / THEMES_PER_PAGE ))
while true; do
show_page $current_page
IFS= read -rsn1 choice
while read -r -t 0; do read -r -t 0.01; done
case $choice in
q|Q)
clear
echo -e "${CYAN}Exiting...${NC}"
exit 0
;;
i|I)
install_menu
get_installed_themes
get_current_theme
current_page=0
total_pages=$(( (${#themes[@]} + THEMES_PER_PAGE - 1) / THEMES_PER_PAGE ))
;;
r|R)
reboot_system
;;
u|U)
uninstall_all_themes
get_installed_themes
get_current_theme
current_page=0
total_pages=$(( (${#themes[@]} + THEMES_PER_PAGE - 1) / THEMES_PER_PAGE ))
;;
'`'|'~')
if [ $current_page -gt 0 ]; then
((current_page--))
fi
;;
'-'|'_')
if [ $((current_page + 1)) -lt $total_pages ]; then
((current_page++))
fi
;;
[1-9])
local num=$((choice))
local start_idx=$((current_page * THEMES_PER_PAGE))
local theme_idx=$((start_idx + num - 1))
if [ $theme_idx -lt ${#themes[@]} ]; then
apply_theme "${themes[$theme_idx]}"
get_current_theme
fi
;;
0)
local start_idx=$((current_page * THEMES_PER_PAGE))
local theme_idx=$((start_idx + 9))
if [ $theme_idx -lt ${#themes[@]} ]; then
apply_theme "${themes[$theme_idx]}"
get_current_theme
fi
;;
esac
done
}
main
|