zj/BootRepairTool
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

two

Browse Source
This commit is contained in:
zj
2026-02-10 15:00:20 +08:00
parent ce31c8b127
commit 70d8ac41b4
3 changed files with 614 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
README.md
View File

@@ -1 +1,3 @@
### GURB引导修复
### GURB引导修复
提供图形化界面

322
backend.py Normal file
View File

@@ -0,0 +1,322 @@
# backend.py
import subprocess
import os
import json
import time # 用于模拟耗时操作，实际可移除
def run_command(command, description="执行命令", cwd=None, shell=False):
"""
运行一个系统命令，并捕获其输出和错误。
:param command: 要执行的命令列表 (例如 ["sudo", "lsblk"])
:param description: 命令的描述，用于日志
:param cwd: 更改工作目录
:param shell: 是否使用shell执行命令 (通常不推荐，除非命令需要shell特性)
:return: (True/False, stdout, stderr) 表示成功、标准输出、标准错误
"""
try:
print(f"[Backend] {description}: {' '.join(command)}")
result = subprocess.run(
command,
capture_output=True,
text=True,
check=True, # 如果命令返回非零退出码，将抛出CalledProcessError
cwd=cwd,
shell=shell
)
print(f"[Backend] 命令成功: {description}")
return True, result.stdout, result.stderr
except subprocess.CalledProcessError as e:
print(f"[Backend] 命令失败: {description}")
print(f"[Backend] 错误输出: {e.stderr}")
return False, e.stdout, e.stderr
except FileNotFoundError:
print(f"[Backend] 命令未找到: {' '.join(command)}")
return False, "", f"命令未找到: {command[0]}"
except Exception as e:
print(f"[Backend] 发生未知错误: {e}")
return False, "", str(e)
def scan_partitions():
"""
扫描系统中的所有磁盘和分区，并返回结构化的信息。
:return: (success, disks, partitions, efi_partitions, error_message)
disks: list of {"name": "/dev/sda"}
partitions: list of {"name": "/dev/sda1", "fstype": "ext4", "size": "100G", "mountpoint": "/"}
efi_partitions: list of {"name": "/dev/sda1", "fstype": "vfat", "size": "512M"}
"""
success, stdout, stderr = run_command(
["sudo", "lsblk", "-J", "-o", "NAME,FSTYPE,SIZE,MOUNTPOINT,UUID,PARTLABEL,LABEL,TYPE"],
"扫描分区"
)
if not success:
return False, [], [], [], stderr
try:
data = json.loads(stdout)
all_disks = []
all_partitions = []
all_efi_partitions = []
for block_device in data.get("blockdevices", []):
dev_name = f"/dev/{block_device['name']}"
dev_type = block_device.get("type")
if dev_type == "disk":
all_disks.append({"name": dev_name})
elif dev_type == "part":
# 过滤掉Live系统自身的分区（基于常见的Live环境挂载点）
mountpoint = block_device.get("mountpoint")
if mountpoint and (mountpoint == "/" or mountpoint.startswith("/run/media") or mountpoint.startswith("/cdrom")):
continue
part_info = {
"name": dev_name,
"fstype": block_device.get("fstype", "unknown"),
"size": block_device.get("size", "unknown"),
"mountpoint": mountpoint,
"uuid": block_device.get("uuid"),
"partlabel": block_device.get("partlabel"),
"label": block_device.get("label")
}
all_partitions.append(part_info)
# 识别EFI系统分区 (FAT32文件系统, 且通常有特定标签或名称)
if part_info["fstype"] == "vfat" and (part_info["partlabel"] == "EFI System Partition" or part_info["label"] == "EFI"):
all_efi_partitions.append(part_info)
return True, all_disks, all_partitions, all_efi_partitions, ""
except json.JSONDecodeError as e:
return False, [], [], [], f"解析lsblk输出失败: {e}"
except Exception as e:
return False, [], [], [], f"处理分区数据时发生未知错误: {e}"
def mount_target_system(root_partition, boot_partition=None, efi_partition=None):
"""
挂载目标系统的根分区、/boot分区和EFI分区到临时目录。
:param root_partition: 目标系统的根分区设备路径 (例如 /dev/sda1)
:param boot_partition: 目标系统的独立 /boot 分区设备路径 (可选)
:param efi_partition: 目标系统的EFI系统分区设备路径 (可选，仅UEFI)
:return: (True/False, mount_point, error_message)
"""
mount_point = "/mnt_grub_repair_" + str(int(time.time())) # 确保唯一性
if not os.path.exists(mount_point):
os.makedirs(mount_point)
# 1. 挂载根分区
success, _, stderr = run_command(["sudo", "mount", root_partition, mount_point], f"挂载根分区 {root_partition}")
if not success:
return False, "", f"挂载根分区失败: {stderr}"
# 2. 如果有独立 /boot 分区
if boot_partition:
boot_mount_point = os.path.join(mount_point, "boot")
if not os.path.exists(boot_mount_point):
os.makedirs(boot_mount_point)
success, _, stderr = run_command(["sudo", "mount", boot_partition, boot_mount_point], f"挂载 /boot 分区 {boot_partition}")
if not success:
unmount_target_system(mount_point) # 挂载失败，尝试清理
return False, "", f"挂载 /boot 分区失败: {stderr}"
# 3. 如果有EFI分区 (UEFI系统)
if efi_partition:
efi_mount_point = os.path.join(mount_point, "boot/efi")
if not os.path.exists(efi_mount_point):
os.makedirs(efi_mount_point)
success, _, stderr = run_command(["sudo", "mount", efi_partition, efi_mount_point], f"挂载 EFI 分区 {efi_partition}")
if not success:
unmount_target_system(mount_point) # 挂载失败，尝试清理
return False, "", f"挂载 EFI 分区失败: {stderr}"
# 4. 绑定必要的伪文件系统
bind_paths = ["/dev", "/dev/pts", "/proc", "/sys", "/run"]
for path in bind_paths:
target_path = os.path.join(mount_point, path.lstrip('/'))
if not os.path.exists(target_path):
os.makedirs(target_path)
success, _, stderr = run_command(["sudo", "mount", "--bind", path, target_path], f"绑定 {path} 到 {target_path}")
if not success:
unmount_target_system(mount_point) # 绑定失败，尝试清理
return False, "", f"绑定 {path} 失败: {stderr}"
return True, mount_point, ""
def detect_distro_type(mount_point):
"""
尝试检测目标系统发行版类型。
:param mount_point: 目标系统根分区的挂载点
:return: "arch", "centos", "debian", "ubuntu", "unknown"
"""
os_release_path = os.path.join(mount_point, "etc/os-release")
if not os.path.exists(os_release_path):
return "unknown"
try:
with open(os_release_path, "r") as f:
content = f.read()
if "ID=arch" in content:
return "arch"
elif "ID=centos" in content or "ID=rhel" in content:
return "centos"
elif "ID=debian" in content:
return "debian"
elif "ID=ubuntu" in content:
return "ubuntu"
else:
return "unknown"
except Exception as e:
print(f"[Backend] 无法读取os-release文件: {e}")
return "unknown"
def chroot_and_repair_grub(mount_point, target_disk, is_uefi=False, distro_type="unknown"):
"""
Chroot到目标系统并执行GRUB修复命令。
:param mount_point: 目标系统根分区的挂载点
:param target_disk: GRUB要安装到的物理磁盘 (例如 /dev/sda)
:param is_uefi: 目标系统是否使用UEFI启动
:param distro_type: 目标系统发行版类型 (用于选择正确的GRUB命令)
:return: (True/False, error_message)
"""
chroot_cmd_prefix = ["sudo", "chroot", mount_point]
# 1. 安装GRUB到目标磁盘
if is_uefi:
# UEFI系统，需要确保EFI分区已挂载到 /boot/efi
# grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=GRUB
# 注意：某些系统可能需要指定 --removable 选项，以便在某些固件上更容易启动
# 统一使用 --bootloader-id=GRUB，如果已存在会更新
success, _, stderr = run_command(
chroot_cmd_prefix + ["grub-install", "--target=x86_64-efi", "--efi-directory=/boot/efi", "--bootloader-id=GRUB"],
"安装UEFI GRUB"
)
else:
# BIOS系统，安装到MBR
success, _, stderr = run_command(
chroot_cmd_prefix + ["grub-install", target_disk],
"安装BIOS GRUB"
)
if not success:
return False, f"GRUB安装失败: {stderr}"
# 2. 更新GRUB配置文件
grub_update_cmd = []
if distro_type in ["debian", "ubuntu"]:
grub_update_cmd = ["update-grub"] # 这是一个脚本，实际是调用grub-mkconfig
elif distro_type == "arch":
grub_update_cmd = ["grub-mkconfig", "-o", "/boot/grub/grub.cfg"]
elif distro_type == "centos":
grub_update_cmd = ["grub2-mkconfig", "-o", "/boot/grub2/grub.cfg"] # CentOS 8/9
else:
# 尝试通用命令
grub_update_cmd = ["grub-mkconfig", "-o", "/boot/grub/grub.cfg"]
success, _, stderr = run_command(
chroot_cmd_prefix + grub_update_cmd,
"更新GRUB配置文件"
)
if not success:
return False, f"GRUB配置文件更新失败: {stderr}"
return True, ""
def unmount_target_system(mount_point):
"""
卸载所有挂载的分区。
:param mount_point: 目标系统根分区的挂载点
:return: (True/False, error_message)
"""
print(f"[Backend] 正在卸载分区 from {mount_point}...")
success = True
error_msg = ""
# 逆序卸载绑定
bind_paths = ["/run", "/sys", "/proc", "/dev/pts", "/dev"]
for path in reversed(bind_paths): # 逆序
target_path = os.path.join(mount_point, path.lstrip('/'))
if os.path.ismount(target_path): # 检查是否真的挂载了
s, _, stderr = run_command(["sudo", "umount", target_path], f"卸载绑定 {target_path}")
if not s:
success = False
error_msg += f"卸载绑定 {target_path} 失败: {stderr}\n"
# 卸载 /boot/efi (如果存在)
efi_mount_point = os.path.join(mount_point, "boot/efi")
if os.path.ismount(efi_mount_point):
s, _, stderr = run_command(["sudo", "umount", efi_mount_point], f"卸载 {efi_mount_point}")
if not s:
success = False
error_msg += f"卸载 {efi_mount_point} 失败: {stderr}\n"
# 卸载 /boot (如果存在)
boot_mount_point = os.path.join(mount_point, "boot")
if os.path.ismount(boot_mount_point):
s, _, stderr = run_command(["sudo", "umount", boot_mount_point], f"卸载 {boot_mount_point}")
if not s:
success = False
error_msg += f"卸载 {boot_mount_point} 失败: {stderr}\n"
# 卸载根分区
if os.path.ismount(mount_point):
s, _, stderr = run_command(["sudo", "umount", mount_point], f"卸载根分区 {mount_point}")
if not s:
success = False
error_msg += f"卸载根分区 {mount_point} 失败: {stderr}\n"
# 清理临时挂载点目录
if os.path.exists(mount_point) and not os.path.ismount(mount_point):
try:
os.rmdir(mount_point)
print(f"[Backend] 清理临时目录 {mount_point}")
except OSError as e:
print(f"[Backend] 无法删除临时目录 {mount_point}: {e}")
error_msg += f"无法删除临时目录 {mount_point}: {e}\n"
return success, error_msg
# 示例：如果直接运行backend.py，可以进行一些测试
if __name__ == "__main__":
print("--- 运行后端测试 ---")
print("\n--- 扫描分区测试 ---")
success, disks, partitions, efi_partitions, err = scan_partitions()
if success:
print("磁盘:", [d['name'] for d in disks])
print("分区:", [p['name'] for p in partitions])
print("EFI分区:", [p['name'] for p in efi_partitions])
else:
print("扫描分区失败:", err)
# 假设有一些分区可供测试，实际运行时需要用户输入
# 例如：
# test_root_partition = "/dev/sdaX"
# test_target_disk = "/dev/sda"
# test_efi_partition = "/dev/sdY"
#
# if test_root_partition and test_target_disk:
# print(f"\n--- 挂载系统测试 (模拟 {test_root_partition}) ---")
# mount_ok, mnt_pt, mount_err = mount_target_system(test_root_partition, efi_partition=test_efi_partition)
# if mount_ok:
# print(f"系统挂载成功到: {mnt_pt}")
# distro = detect_distro_type(mnt_pt)
# print(f"检测到发行版: {distro}")
#
# print("\n--- 修复GRUB测试 ---")
# repair_ok, repair_err = chroot_and_repair_grub(mnt_pt, test_target_disk, is_uefi=True, distro_type=distro)
# if repair_ok:
# print("GRUB修复成功！")
# else:
# print("GRUB修复失败:", repair_err)
#
# print("\n--- 卸载系统测试 ---")
# unmount_ok, unmount_err = unmount_target_system(mnt_pt)
# if unmount_ok:
# print("系统卸载成功！")
# else:
# print("系统卸载失败:", unmount_err)
# else:
# print("系统挂载失败:", mount_err)
# else:
# print("\n请在代码中设置 test_root_partition 和 test_target_disk 进行完整测试。")

289
frontend.py Normal file
View File

@@ -0,0 +1,289 @@
# frontend.py
import tkinter as tk
from tkinter import ttk, messagebox
import threading
import backend # 导入后端逻辑
class GrubRepairApp:
def __init__(self, master):
self.master = master
master.title("Linux GRUB 引导修复工具")
master.geometry("850x650") # 调整窗口大小
master.resizable(True, True) # 允许窗口大小调整
self.mount_point = None
self.selected_root_partition_info = None # 存储字典信息
self.selected_boot_partition_info = None
self.selected_efi_partition_info = None
self.selected_target_disk_info = None
self.is_uefi_mode = False
self.all_disks_data = {} # {display_name: {"name": "/dev/sda"}}
self.all_partitions_data = {} # {display_name: {"name": "/dev/sda1", ...}}
self.all_efi_partitions_data = {} # {display_name: {"name": "/dev/sda1", ...}}
self.create_widgets()
self.scan_partitions_gui()
def create_widgets(self):
# Frame for partition selection
self.partition_frame = ttk.LabelFrame(self.master, text="1. 选择目标系统分区", padding="10")
self.partition_frame.pack(padx=10, pady=5, fill="x")
self.partition_frame.columnconfigure(1, weight=1) # 让 Combobox 填充宽度
ttk.Label(self.partition_frame, text="根分区 (/)：").grid(row=0, column=0, padx=5, pady=2, sticky="w")
self.root_partition_combo = ttk.Combobox(self.partition_frame, state="readonly")
self.root_partition_combo.grid(row=0, column=1, padx=5, pady=2, sticky="ew")
self.root_partition_combo.bind("<<ComboboxSelected>>", self.on_root_partition_selected)
ttk.Label(self.partition_frame, text="独立 /boot 分区 (可选)：").grid(row=1, column=0, padx=5, pady=2, sticky="w")
self.boot_partition_combo = ttk.Combobox(self.partition_frame, state="readonly")
self.boot_partition_combo.grid(row=1, column=1, padx=5, pady=2, sticky="ew")
ttk.Label(self.partition_frame, text="EFI 系统分区 (ESP, 仅UEFI)：").grid(row=2, column=0, padx=5, pady=2, sticky="w")
self.efi_partition_combo = ttk.Combobox(self.partition_frame, state="readonly")
self.efi_partition_combo.grid(row=2, column=1, padx=5, pady=2, sticky="ew")
# Frame for target disk selection
self.disk_frame = ttk.LabelFrame(self.master, text="2. 选择GRUB安装目标磁盘", padding="10")
self.disk_frame.pack(padx=10, pady=5, fill="x")
self.disk_frame.columnconfigure(1, weight=1)
ttk.Label(self.disk_frame, text="目标磁盘 (例如 /dev/sda)：").grid(row=0, column=0, padx=5, pady=2, sticky="w")
self.target_disk_combo = ttk.Combobox(self.disk_frame, state="readonly")
self.target_disk_combo.grid(row=0, column=1, padx=5, pady=2, sticky="ew")
self.uefi_mode_var = tk.BooleanVar(value=False)
self.uefi_check = ttk.Checkbutton(self.disk_frame, text="目标系统使用UEFI启动 (Live环境检测为UEFI)", variable=self.uefi_mode_var)
self.uefi_check.grid(row=1, column=0, columnspan=2, padx=5, pady=2, sticky="w")
# 尝试自动检测Live环境是否为UEFI
if os.path.exists("/sys/firmware/efi"):
self.uefi_mode_var.set(True)
self.uefi_check.config(state="disabled") # 如果Live是UEFI，通常目标系统也是，且不建议更改
self.is_uefi_mode = True # 直接设置
else:
self.uefi_check.config(state="normal")
self.is_uefi_mode = False # 直接设置
self.uefi_check.config(text="目标系统使用UEFI启动 (Live环境检测为BIOS)")
self.uefi_mode_var.trace_add("write", self.on_uefi_check_changed)
# Start Repair Button
self.start_button = ttk.Button(self.master, text="3. 开始修复 GRUB", command=self.start_repair_thread)
self.start_button.pack(padx=10, pady=10, fill="x")
# Progress and Log
self.log_frame = ttk.LabelFrame(self.master, text="修复日志", padding="10")
self.log_frame.pack(padx=10, pady=5, fill="both", expand=True)
self.log_text = tk.Text(self.log_frame, wrap="word", height=15, state="disabled", font=("Monospace", 10))
self.log_text.pack(padx=5, pady=5, fill="both", expand=True)
self.log_scrollbar = ttk.Scrollbar(self.log_text, command=self.log_text.yview)
self.log_scrollbar.pack(side="right", fill="y")
self.log_text.config(yscrollcommand=self.log_scrollbar.set)
def log_message(self, message, level="info"):
"""
线程安全的日志记录函数。
"""
self.master.after(0, self._append_log, message, level)
def _append_log(self, message, level):
self.log_text.config(state="normal")
tag = "info"
if level == "error":
tag = "error"
self.log_text.tag_config("error", foreground="red")
elif level == "warning":
tag = "warning"
self.log_text.tag_config("warning", foreground="orange")
elif level == "success":
tag = "success"
self.log_text.tag_config("success", foreground="green")
self.log_text.insert(tk.END, message + "\n", tag)
self.log_text.see(tk.END)
self.log_text.config(state="disabled")
def scan_partitions_gui(self):
self.log_message("正在扫描分区...", "info")
success, disks, partitions, efi_partitions, err = backend.scan_partitions()
if not success:
self.log_message(f"分区扫描失败: {err}", "error")
messagebox.showerror("错误", f"无法扫描分区: {err}\n请确保您有sudo权限并已安装lsblk。")
return
# 清空旧数据
self.all_disks_data = {}
self.all_partitions_data = {}
self.all_efi_partitions_data = {}
disk_display_names = []
for d in disks:
display_name = d["name"]
self.all_disks_data[display_name] = d
disk_display_names.append(display_name)
self.target_disk_combo['values'] = disk_display_names
partition_display_names = []
for p in partitions:
display_name = f"{p['name']} ({p['fstype']} - {p['size']})"
self.all_partitions_data[display_name] = p
partition_display_names.append(display_name)
self.root_partition_combo['values'] = partition_display_names
self.boot_partition_combo['values'] = [""] + partition_display_names # 允许不选择独立/boot
efi_partition_display_names = []
for p in efi_partitions:
display_name = f"{p['name']} ({p['fstype']} - {p['size']})"
self.all_efi_partitions_data[display_name] = p
efi_partition_display_names.append(display_name)
self.efi_partition_combo['values'] = [""] + efi_partition_display_names # 允许不选择EFI分区
self.log_message("分区扫描完成。请选择目标系统分区。", "info")
def on_root_partition_selected(self, event):
selected_display = self.root_partition_combo.get()
self.selected_root_partition_info = self.all_partitions_data.get(selected_display)
if self.selected_root_partition_info:
self.log_message(f"已选择根分区: {self.selected_root_partition_info['name']}", "info")
# 尝试根据根分区所在的磁盘自动选择目标磁盘
# /dev/sda1 -> /dev/sda
disk_name_from_root = "/".join(self.selected_root_partition_info['name'].split('/')[:3])
if disk_name_from_root in self.target_disk_combo['values']:
self.target_disk_combo.set(disk_name_from_root)
self.selected_target_disk_info = self.all_disks_data.get(disk_name_from_root)
self.log_message(f"自动选择目标磁盘: {self.selected_target_disk_info['name']}", "info")
else:
self.target_disk_combo.set("")
self.selected_target_disk_info = None
self.log_message("无法自动选择目标磁盘，请手动选择。", "warning")
else:
self.selected_root_partition_info = None
self.target_disk_combo.set("")
self.selected_target_disk_info = None
def on_uefi_check_changed(self, *args):
self.is_uefi_mode = self.uefi_mode_var.get()
self.log_message(f"UEFI模式选择: {'启用' if self.is_uefi_mode else '禁用'}", "info")
def start_repair_thread(self):
# 禁用按钮防止重复点击
self.start_button.config(state="disabled")
# 清空日志
self.log_text.config(state="normal")
self.log_text.delete(1.0, tk.END)
self.log_text.config(state="disabled")
self.log_message("--- GRUB 修复过程开始 ---", "info")
# 获取用户选择
self.selected_root_partition_info = self.all_partitions_data.get(self.root_partition_combo.get())
self.selected_boot_partition_info = self.all_partitions_data.get(self.boot_partition_combo.get())
self.selected_efi_partition_info = self.all_efi_partitions_data.get(self.efi_partition_combo.get())
self.selected_target_disk_info = self.all_disks_data.get(self.target_disk_combo.get())
self.is_uefi_mode = self.uefi_mode_var.get()
if not self.selected_root_partition_info:
messagebox.showerror("错误", "请选择目标系统的根分区！")
self.log_message("未选择根分区，修复中止。", "error")
self.start_button.config(state="normal")
return
if not self.selected_target_disk_info:
messagebox.showerror("错误", "请选择GRUB要安装到的目标磁盘！")
self.log_message("未选择目标磁盘，修复中止。", "error")
self.start_button.config(state="normal")
return
# 再次确认UEFI模式下是否选择了EFI分区
if self.is_uefi_mode and not self.selected_efi_partition_info:
response = messagebox.askyesno("警告", "您选择了UEFI模式，但未选择EFI系统分区 (ESP)。这可能导致修复失败。是否继续？")
if not response:
self.log_message("用户取消，未选择EFI分区。", "warning")
self.start_button.config(state="normal")
return
# 启动新线程进行修复，避免UI卡死
repair_thread = threading.Thread(target=self._run_repair_process)
repair_thread.start()
def _run_repair_process(self):
root_part_path = self.selected_root_partition_info['name']
boot_part_path = self.selected_boot_partition_info['name'] if self.selected_boot_partition_info else None
efi_part_path = self.selected_efi_partition_info['name'] if self.selected_efi_partition_info else None
target_disk_path = self.selected_target_disk_info['name']
self.log_message(f"选择的根分区: {root_part_path}", "info")
self.log_message(f"选择的独立 /boot 分区: {boot_part_path if boot_part_path else '无'}", "info")
self.log_message(f"选择的EFI分区: {efi_part_path if efi_part_path else '无'}", "info")
self.log_message(f"GRUB安装目标磁盘: {target_disk_path}", "info")
self.log_message(f"UEFI模式: {'启用' if self.is_uefi_mode else '禁用'}", "info")
# 1. 挂载目标系统
self.log_message("正在挂载目标系统分区...", "info")
mount_ok, self.mount_point, mount_err = backend.mount_target_system(
root_part_path,
boot_part_path,
efi_part_path if self.is_uefi_mode else None # 只有UEFI模式才挂载EFI分区
)
if not mount_ok:
self.log_message(f"挂载失败，修复中止: {mount_err}", "error")
messagebox.showerror("修复失败", f"无法挂载目标系统分区。请检查分区选择和权限。\n错误: {mount_err}")
self.start_button.config(state="normal")
return
# 2. 尝试识别发行版类型
self.log_message("正在检测目标系统发行版...", "info")
distro_type = backend.detect_distro_type(self.mount_point)
self.log_message(f"检测到目标系统发行版: {distro_type}", "info")
# 3. Chroot并修复GRUB
self.log_message("正在进入Chroot环境并修复GRUB...", "info")
repair_ok, repair_err = backend.chroot_and_repair_grub(
self.mount_point,
target_disk_path,
self.is_uefi_mode,
distro_type
)
if not repair_ok:
self.log_message(f"GRUB修复失败: {repair_err}", "error")
messagebox.showerror("修复失败", f"GRUB修复过程中发生错误。\n错误: {repair_err}")
# 即使失败，也要尝试卸载
else:
self.log_message("GRUB修复命令执行成功！", "success")
# 4. 卸载分区
self.log_message("正在卸载目标系统分区...", "info")
unmount_ok, unmount_err = backend.unmount_target_system(self.mount_point)
if not unmount_ok:
self.log_message(f"卸载分区失败: {unmount_err}", "error")
messagebox.showwarning("卸载警告", f"部分分区可能未能正确卸载。请手动检查并卸载。\n错误: {unmount_err}")
else:
self.log_message("所有分区已成功卸载。", "success")
self.log_message("--- GRUB 修复过程结束 ---", "info")
# 最终结果提示
if repair_ok and unmount_ok:
messagebox.showinfo("修复成功", "GRUB引导修复已完成！请重启系统以验证。")
elif repair_ok and not unmount_ok:
messagebox.showwarning("修复完成，但有警告", "GRUB引导修复已完成，但部分分区卸载失败。请重启系统以验证。")
else:
messagebox.showerror("修复失败", "GRUB引导修复过程中发生错误。请检查日志并尝试手动修复。")
self.start_button.config(state="normal")
if __name__ == "__main__":
root = tk.Tk()
app = GrubRepairApp(root)
root.mainloop()