87 lines
2.8 KiB
Bash
87 lines
2.8 KiB
Bash
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#!/bin/bash
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# ==============================================================================
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# 03c-snapshot-before-desktop.sh
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# Creates a system snapshot before installing major Desktop Environments.
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# ==============================================================================
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# 1. 引用工具库
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if [ -f "$SCRIPT_DIR/00-utils.sh" ]; then
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source "$SCRIPT_DIR/00-utils.sh"
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else
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echo "Error: 00-utils.sh not found."
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exit 1
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fi
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# 2. 权限检查
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check_root
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section "Phase 3c" "System Snapshot"
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# ==============================================================================
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create_checkpoint() {
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local MARKER="Before Desktop Environments"
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# 0. 检查 snapper 是否安装
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if ! command -v snapper &>/dev/null; then
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warn "Snapper tool not found. Skipping snapshot creation."
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return
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fi
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# 1. Root 分区快照
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# 检查 root 配置是否存在
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if snapper -c root get-config &>/dev/null; then
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# 检查是否已存在同名快照 (避免重复创建)
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if snapper -c root list --columns description | grep -Fqx "$MARKER"; then
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log "Snapshot '$MARKER' already exists on [root]."
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else
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log "Creating safety checkpoint on [root]..."
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# 使用 --type single 表示这是一个独立的存档点
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snapper -c root create --description "$MARKER"
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success "Root snapshot created."
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fi
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else
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warn "Snapper 'root' config not configured. Skipping root snapshot."
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fi
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# 2. Home 分区快照 (如果存在 home 配置)
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if snapper -c home get-config &>/dev/null; then
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if snapper -c home list --columns description | grep -Fqx "$MARKER"; then
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log "Snapshot '$MARKER' already exists on [home]."
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else
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log "Creating safety checkpoint on [home]..."
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snapper -c home create --description "$MARKER"
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success "Home snapshot created."
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fi
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fi
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}
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# ==============================================================================
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# 执行
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# ==============================================================================
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# --- Identify User & DM Check ---
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log "Identifying target user..."
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detect_target_user
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if [[ -z "$TARGET_USER" || ! -d "$HOME_DIR" ]]; then
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error "Target user invalid or home directory does not exist."
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exit 1
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fi
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log "Preparing to create restore point..."
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create_checkpoint
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HYRPLAND_AUTOSTART="$HOME_DIR/.config/systemd/user/hyprland-autostart.service"
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NIRI_AUTOSTART="$HOME_DIR/.config/systemd/user/niri-autostart.service"
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if [ -f "$HYPRLAND_AUTOSTART" ]; then
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log "Removing existing Hyprland autostart service..."
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rm -f "$HYPRLAND_AUTOSTART"
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fi
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if [ -f "$NIRI_AUTOSTART" ]; then
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log "Removing existing Niri autostart service..."
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rm -f "$NIRI_AUTOSTART"
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fi
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log "Module 03c completed."
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