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346
scripts/07-grub-theme.sh
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346
scripts/07-grub-theme.sh
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#!/bin/bash
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# ==============================================================================
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# 07-grub-theme.sh - GRUB Theming & Advanced Configuration
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# ==============================================================================
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PARENT_DIR="$(dirname "$SCRIPT_DIR")"
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source "$SCRIPT_DIR/00-utils.sh"
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check_root
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# ------------------------------------------------------------------------------
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# 0. Pre-check: Is GRUB installed?
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# ------------------------------------------------------------------------------
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if ! command -v grub-mkconfig >/dev/null 2>&1; then
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echo ""
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warn "GRUB (grub-mkconfig) not found on this system."
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log "Skipping GRUB theme installation."
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exit 0
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fi
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section "Phase 7" "GRUB Customization & Theming"
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# --- Helper Functions ---
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set_grub_value() {
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local key="$1"
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local value="$2"
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local conf_file="/etc/default/grub"
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local escaped_value
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escaped_value=$(printf '%s\n' "$value" | sed 's,[\/&],\\&,g')
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if grep -q -E "^#\s*$key=" "$conf_file"; then
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exe sed -i -E "s,^#\s*$key=.*,$key=\"$escaped_value\"," "$conf_file"
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elif grep -q -E "^$key=" "$conf_file"; then
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exe sed -i -E "s,^$key=.*,$key=\"$escaped_value\"," "$conf_file"
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else
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log "Appending new key: $key"
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echo "$key=\"$escaped_value\"" >> "$conf_file"
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fi
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}
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manage_kernel_param() {
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local action="$1"
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local param="$2"
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local conf_file="/etc/default/grub"
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local line
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line=$(grep "^GRUB_CMDLINE_LINUX_DEFAULT=" "$conf_file" || true)
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local params
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params=$(echo "$line" | sed -e 's/GRUB_CMDLINE_LINUX_DEFAULT=//' -e 's/"//g')
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local param_key
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if [[ "$param" == *"="* ]]; then param_key="${param%%=*}"; else param_key="$param"; fi
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params=$(echo "$params" | sed -E "s/\b${param_key}(=[^ ]*)?\b//g")
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if [ "$action" == "add" ]; then params="$params $param"; fi
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params=$(echo "$params" | tr -s ' ' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
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exe sed -i "s,^GRUB_CMDLINE_LINUX_DEFAULT=.*,GRUB_CMDLINE_LINUX_DEFAULT=\"$params\"," "$conf_file"
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}
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cleanup_minegrub() {
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local minegrub_found=false
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if [ -f "/etc/grub.d/05_twomenus" ] || [ -f "/boot/grub/mainmenu.cfg" ]; then
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minegrub_found=true
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log "Found Minegrub artifacts. Cleaning up..."
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[ -f "/etc/grub.d/05_twomenus" ] && exe rm -f /etc/grub.d/05_twomenus
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[ -f "/boot/grub/mainmenu.cfg" ] && exe rm -f /boot/grub/mainmenu.cfg
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fi
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if command -v grub-editenv >/dev/null 2>&1; then
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if grub-editenv - list 2>/dev/null | grep -q "^config_file="; then
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minegrub_found=true
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log "Unsetting Minegrub GRUB environment variable..."
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exe grub-editenv - unset config_file
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fi
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fi
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if [ "$minegrub_found" == "true" ]; then
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success "Minegrub double-menu configuration completely removed."
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fi
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}
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# ------------------------------------------------------------------------------
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# 1. Advanced GRUB Configuration
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# ------------------------------------------------------------------------------
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section "Step 1/7" "General GRUB Settings"
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if [ -L "/boot/grub" ]; then
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LINK_TARGET=$(readlink -f "/boot/grub" || true)
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if [[ "$LINK_TARGET" == "/efi/grub" ]] || [[ "$LINK_TARGET" == "/boot/efi/grub" ]]; then
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log "Detected /boot/grub linked to ESP ($LINK_TARGET). Enabling GRUB savedefault..."
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set_grub_value "GRUB_DEFAULT" "saved"
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set_grub_value "GRUB_SAVEDEFAULT" "true"
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else
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log "Skipping savedefault: /boot/grub links to $LINK_TARGET (not /efi/grub or /boot/efi/grub)."
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fi
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else
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log "Skipping savedefault: /boot/grub is not a symbolic link."
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fi
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log "Configuring kernel boot parameters for detailed logs and performance..."
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manage_kernel_param "remove" "quiet"
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manage_kernel_param "remove" "splash"
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manage_kernel_param "add" "loglevel=5"
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manage_kernel_param "add" "nowatchdog"
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CPU_VENDOR=$(LC_ALL=C lscpu 2>/dev/null | awk '/Vendor ID:/ {print $3}' || true)
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if [ "${CPU_VENDOR:-}" == "GenuineIntel" ]; then
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log "Intel CPU detected. Disabling iTCO_wdt watchdog."
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manage_kernel_param "add" "modprobe.blacklist=iTCO_wdt"
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elif [ "${CPU_VENDOR:-}" == "AuthenticAMD" ]; then
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log "AMD CPU detected. Disabling sp5100_tco watchdog."
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manage_kernel_param "add" "modprobe.blacklist=sp5100_tco"
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fi
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success "Kernel parameters updated."
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# ------------------------------------------------------------------------------
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# 2. Sync Themes to System
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# ------------------------------------------------------------------------------
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section "Step 2/7" "Sync Themes to System Directory"
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SOURCE_BASE="$PARENT_DIR/grub-themes"
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# 【核心改变】使用 Arch Linux 官方标准的主题存放目录
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DEST_DIR="/usr/share/grub/themes"
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# 确保目标目录存在
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if [ ! -d "$DEST_DIR" ]; then
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exe mkdir -p "$DEST_DIR"
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fi
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if [ -d "$SOURCE_BASE" ]; then
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log "Syncing repository themes to $DEST_DIR..."
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for dir in "$SOURCE_BASE"/*; do
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if [ -d "$dir" ] && [ -f "$dir/theme.txt" ]; then
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THEME_BASENAME=$(basename "$dir")
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if [ ! -d "$DEST_DIR/$THEME_BASENAME" ]; then
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log "Installing $THEME_BASENAME to system..."
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exe cp -r "$dir" "$DEST_DIR/"
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fi
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fi
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done
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success "Local themes installed to $DEST_DIR."
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else
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warn "Directory 'grub-themes' not found in repo. Only online/existing themes available."
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fi
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log "Scanning $DEST_DIR for available themes..."
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THEME_PATHS=()
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THEME_NAMES=()
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# 直接扫描这个干净的系统级目录，无需任何额外处理
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mapfile -t FOUND_DIRS < <(find "$DEST_DIR" -mindepth 1 -maxdepth 1 -type d | sort 2>/dev/null || true)
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for dir in "${FOUND_DIRS[@]:-}"; do
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if [ -n "$dir" ] && [ -f "$dir/theme.txt" ]; then
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DIR_NAME=$(basename "$dir")
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if [[ "$DIR_NAME" != "minegrub" && "$DIR_NAME" != "minegrub-world-selection" ]]; then
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THEME_PATHS+=("$dir")
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THEME_NAMES+=("$DIR_NAME")
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fi
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fi
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done
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if [ ${#THEME_NAMES[@]} -eq 0 ]; then
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log "No valid local theme folders found. Proceeding to online menu."
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fi
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# ------------------------------------------------------------------------------
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# 3. Select Theme (TUI Menu)
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# ------------------------------------------------------------------------------
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section "Step 3/7" "Theme Selection"
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INSTALL_MINEGRUB=false
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SKIP_THEME=false
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MINEGRUB_OPTION_NAME="Minegrub"
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SKIP_OPTION_NAME="No theme (Skip/Clear)"
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MINEGRUB_IDX=$((${#THEME_NAMES[@]} + 1))
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SKIP_IDX=$((${#THEME_NAMES[@]} + 2))
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TITLE_TEXT="Select GRUB Theme (60s Timeout)"
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LINE_STR="───────────────────────────────────────────────────────"
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echo -e "\n${H_PURPLE}╭${LINE_STR}${NC}"
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echo -e "${H_PURPLE}│${NC} ${BOLD}${TITLE_TEXT}${NC}"
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echo -e "${H_PURPLE}├${LINE_STR}${NC}"
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for i in "${!THEME_NAMES[@]}"; do
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NAME="${THEME_NAMES[$i]}"
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DISPLAY_NAME=$(echo "$NAME" | sed -E 's/^[0-9]+//')
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DISPLAY_IDX=$((i+1))
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if [ "$i" -eq 0 ]; then
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COLOR_STR=" ${H_CYAN}[$DISPLAY_IDX]${NC} ${DISPLAY_NAME} - ${H_GREEN}Default${NC}"
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else
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COLOR_STR=" ${H_CYAN}[$DISPLAY_IDX]${NC} ${DISPLAY_NAME}"
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fi
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echo -e "${H_PURPLE}│${NC} ${COLOR_STR}"
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done
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MG_COLOR_STR=" ${H_CYAN}[$MINEGRUB_IDX]${NC} ${MINEGRUB_OPTION_NAME}"
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echo -e "${H_PURPLE}│${NC} ${MG_COLOR_STR}"
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SKIP_COLOR_STR=" ${H_CYAN}[$SKIP_IDX]${NC} ${H_YELLOW}${SKIP_OPTION_NAME}${NC}"
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echo -e "${H_PURPLE}│${NC} ${SKIP_COLOR_STR}"
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echo -e "${H_PURPLE}╰${LINE_STR}${NC}\n"
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echo -ne " ${H_YELLOW}Enter choice [1-$SKIP_IDX]: ${NC}"
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read -t 60 USER_CHOICE || true
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if [ -z "${USER_CHOICE:-}" ]; then echo ""; fi
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USER_CHOICE=${USER_CHOICE:-1}
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if ! [[ "$USER_CHOICE" =~ ^[0-9]+$ ]] || [ "$USER_CHOICE" -lt 1 ] || [ "$USER_CHOICE" -gt "$SKIP_IDX" ]; then
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log "Invalid choice or timeout. Defaulting to first option..."
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USER_CHOICE=1
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fi
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if [ "$USER_CHOICE" -eq "$SKIP_IDX" ]; then
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SKIP_THEME=true
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info_kv "Selected" "None (Clear Theme)"
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elif [ "$USER_CHOICE" -eq "$MINEGRUB_IDX" ]; then
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INSTALL_MINEGRUB=true
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info_kv "Selected" "Minegrub (Online Repository)"
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else
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SELECTED_INDEX=$((USER_CHOICE-1))
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if [ -n "${THEME_NAMES[$SELECTED_INDEX]:-}" ]; then
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THEME_PATH="${THEME_PATHS[$SELECTED_INDEX]}/theme.txt"
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THEME_NAME="${THEME_NAMES[$SELECTED_INDEX]}"
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info_kv "Selected" "Local: $THEME_NAME"
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else
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warn "Local theme array empty but selected. Defaulting to Minegrub."
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INSTALL_MINEGRUB=true
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fi
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fi
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# ------------------------------------------------------------------------------
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# 4. Install & Configure Theme
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# ------------------------------------------------------------------------------
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section "Step 4/7" "Theme Configuration"
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GRUB_CONF="/etc/default/grub"
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if [ "$SKIP_THEME" == "true" ]; then
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log "Clearing GRUB theme configuration..."
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cleanup_minegrub
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if [ -f "$GRUB_CONF" ]; then
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if grep -q "^GRUB_THEME=" "$GRUB_CONF"; then
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exe sed -i 's|^GRUB_THEME=|#GRUB_THEME=|' "$GRUB_CONF"
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success "Disabled existing GRUB_THEME in configuration."
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else
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log "No active GRUB_THEME found to disable."
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fi
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fi
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elif [ "$INSTALL_MINEGRUB" == "true" ]; then
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log "Preparing to install Minegrub theme..."
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if ! command -v git >/dev/null 2>&1; then
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error "'git' is required to clone Minegrub but was not found. Skipping."
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else
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TEMP_MG_DIR=$(mktemp -d -t minegrub_install_XXXXXX)
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log "Cloning Lxtharia/double-minegrub-menu..."
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if exe git clone --depth 1 "https://github.com/Lxtharia/double-minegrub-menu.git" "$TEMP_MG_DIR"; then
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if [ -f "$TEMP_MG_DIR/install.sh" ]; then
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log "Executing Minegrub install.sh..."
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(
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cd "$TEMP_MG_DIR" || exit 1
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exe chmod +x install.sh
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exe ./install.sh
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)
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if [ $? -eq 0 ]; then
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success "Minegrub theme successfully installed via its script."
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else
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error "Minegrub install.sh exited with an error."
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fi
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else
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error "install.sh not found in the cloned repository!"
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fi
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else
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error "Failed to clone Minegrub repository."
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fi
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[ -n "$TEMP_MG_DIR" ] && rm -rf "$TEMP_MG_DIR"
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fi
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else
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cleanup_minegrub
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if [ -f "$GRUB_CONF" ]; then
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if grep -q "^GRUB_THEME=" "$GRUB_CONF"; then
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exe sed -i "s|^GRUB_THEME=.*|GRUB_THEME=\"$THEME_PATH\"|" "$GRUB_CONF"
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elif grep -q "^#GRUB_THEME=" "$GRUB_CONF"; then
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exe sed -i "s|^#GRUB_THEME=.*|GRUB_THEME=\"$THEME_PATH\"|" "$GRUB_CONF"
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else
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echo "GRUB_THEME=\"$THEME_PATH\"" >> "$GRUB_CONF"
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fi
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if grep -q "^GRUB_TERMINAL_OUTPUT=\"console\"" "$GRUB_CONF"; then
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exe sed -i 's/^GRUB_TERMINAL_OUTPUT="console"/#GRUB_TERMINAL_OUTPUT="console"/' "$GRUB_CONF"
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fi
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if ! grep -q "^GRUB_GFXMODE=" "$GRUB_CONF"; then
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echo 'GRUB_GFXMODE=auto' >> "$GRUB_CONF"
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fi
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success "Configured GRUB to use theme: $THEME_NAME"
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else
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error "$GRUB_CONF not found."
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exit 1
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fi
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fi
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# ------------------------------------------------------------------------------
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# 5. Add Shutdown/Reboot Menu Entries
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# ------------------------------------------------------------------------------
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section "Step 5/7" "Menu Entries"
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log "Adding Power Options to GRUB menu..."
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cp /etc/grub.d/40_custom /etc/grub.d/99_custom
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echo 'menuentry "Reboot" --class restart {reboot}' >> /etc/grub.d/99_custom
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echo 'menuentry "Shutdown" --class shutdown {halt}' >> /etc/grub.d/99_custom
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success "Added grub menuentry 99-shutdown"
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# ------------------------------------------------------------------------------
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# 7. Apply Changes
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# ------------------------------------------------------------------------------
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section "Step 7/7" "Apply Changes"
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log "Generating new GRUB configuration..."
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if exe grub-mkconfig -o /boot/grub/grub.cfg; then
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success "GRUB updated successfully."
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else
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error "Failed to update GRUB."
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warn "You may need to run 'grub-mkconfig' manually."
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fi
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log "Module 07 completed."
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Reference in New Issue
Block a user