2

backend.py

@@ -1397,37 +1397,25 @@ def _manual_install_efi_files(mount_point: str, efi_target: str, efi_grub_file:
                     # 创建 EFI 分区上的 grub.cfg（GRUB 首先查找这里）
                     helper_cfg_path = os.path.join(mount_point, f"boot/efi/EFI/{bootloader_id}/grub.cfg")
                     try:
-                        if boot_uuid:
+                        # 使用通用 search --file 方法
-                            # 使用 UUID 搜索 /boot 分区
+                        helper_cfg = '''# BootRepairTool - Auto-find /boot partition
-                            helper_cfg = f'''# Auto-generated by BootRepairTool
+# Try to find grub2/grub.cfg on any partition
-# For separate /boot partition (UUID: {boot_uuid})
 
-# Search for /boot partition by UUID
+if search --no-floppy --set=root --file /grub2/grub.cfg; then
-search --no-floppy --fs-uuid --set=root {boot_uuid}
     set prefix=($root)/grub2
-
+elif search --no-floppy --set=root --file /grub/grub.cfg; then
-# Load main configuration
+    set prefix=($root)/grub
-configfile ($root)/grub2/grub.cfg
+elif search --no-floppy --set=root --file /boot/grub2/grub.cfg; then
-'''
+    set prefix=($root)/boot/grub2
-                        else:
+elif search --no-floppy --set=root --file /boot/grub/grub.cfg; then
-                            # 回退：尝试常见分区号
+    set prefix=($root)/boot/grub
-                            helper_cfg = '''# Auto-generated by BootRepairTool
-# For separate /boot partition
-
-# Try to find /boot partition by looking for grub2 directory
-if [ -f (hd0,gpt2)/grub2/grub.cfg ]; then
-    set root=(hd0,gpt2)
-    set prefix=(hd0,gpt2)/grub2
-elif [ -f (hd0,2)/grub2/grub.cfg ]; then
-    set root=(hd0,2)
-    set prefix=(hd0,2)/grub2
-elif [ -f (hd1,gpt2)/grub2/grub.cfg ]; then
-    set root=(hd1,gpt2)
-    set prefix=(hd1,gpt2)/grub2
 fi
 
-# Load main configuration
+if [ -n "$root" ] && [ -n "$prefix" ]; then
     configfile ${prefix}/grub.cfg
+else
+    echo "Error: Could not find grub.cfg"
+fi
 '''
                         with open(helper_cfg_path, 'w') as f:
                             f.write(helper_cfg)
@@ -1549,22 +1537,25 @@ def install_efi_fallback(mount_point: str, efi_target: str, efi_grub_file: str,
             # 在 Boot 目录创建 grub.cfg
             fallback_cfg_path = os.path.join(boot_dir, "grub.cfg")
             try:
-                if boot_uuid:
+                # 使用通用 search --file 方法
-                    fallback_cfg = f'''# BootRepairTool fallback config
+                fallback_cfg = '''# BootRepairTool - Auto-find /boot partition
-search --no-floppy --fs-uuid --set=root {boot_uuid}
+# Try to find grub2/grub.cfg on any partition
+
+if search --no-floppy --set=root --file /grub2/grub.cfg; then
     set prefix=($root)/grub2
-configfile ($root)/grub2/grub.cfg
+elif search --no-floppy --set=root --file /grub/grub.cfg; then
-'''
+    set prefix=($root)/grub
-                else:
+elif search --no-floppy --set=root --file /boot/grub2/grub.cfg; then
-                    fallback_cfg = '''# BootRepairTool fallback config
+    set prefix=($root)/boot/grub2
-if [ -f (hd0,gpt2)/grub2/grub.cfg ]; then
+elif search --no-floppy --set=root --file /boot/grub/grub.cfg; then
-    set root=(hd0,gpt2)
+    set prefix=($root)/boot/grub
-    set prefix=(hd0,gpt2)/grub2
-elif [ -f (hd0,2)/grub2/grub.cfg ]; then
-    set root=(hd0,2)
-    set prefix=(hd0,2)/grub2
 fi
+
+if [ -n "$root" ] && [ -n "$prefix" ]; then
     configfile ${prefix}/grub.cfg
+else
+    echo "Error: Could not find grub.cfg"
+fi
 '''
                 with open(fallback_cfg_path, 'w') as f:
                     f.write(fallback_cfg)
@@ -2185,46 +2176,36 @@ def chroot_and_repair_grub(mount_point: str, target_disk: str,
         if has_separate_boot:
             log_info("为独立 /boot 分区创建 EFI 辅助 grub.cfg...")
             
-            # 获取 /boot 分区 UUID
+            # 为每个 EFI 目录创建 grub.cfg（使用通用搜索方法）
-            boot_uuid = None
-            try:
-                success_uuid, uuid_out, _ = run_command(
-                    ["sudo", "blkid", "-s", "UUID", "-o", "value", f"{mount_point}/boot"],
-                    "获取 /boot UUID",
-                    timeout=10
-                )
-                if success_uuid:
-                    boot_uuid = uuid_out.strip()
-                    log_info(f"  /boot UUID: {boot_uuid}")
-            except Exception as e:
-                log_warning(f"  获取 UUID 失败: {e}")
-            
-            # 为每个 EFI 目录创建 grub.cfg
             for efi_dir in [efi_bootloader_id, "Boot"]:
                 efi_cfg_dir = os.path.join(mount_point, "boot/efi/EFI", efi_dir)
                 if os.path.exists(efi_cfg_dir):
                     efi_cfg_path = os.path.join(efi_cfg_dir, "grub.cfg")
                     try:
-                        if boot_uuid:
+                        # 使用 search --file 通用搜索方法
-                            efi_cfg_content = f'''# BootRepairTool - Find /boot partition
+                        efi_cfg_content = '''# BootRepairTool - Auto-find /boot partition
-search --no-floppy --fs-uuid --set=root {boot_uuid}
+# Try to find grub2/grub.cfg on any partition
+
+if search --no-floppy --set=root --file /grub2/grub.cfg; then
     set prefix=($root)/grub2
-configfile ($root)/grub2/grub.cfg
+elif search --no-floppy --set=root --file /grub/grub.cfg; then
-'''
+    set prefix=($root)/grub
-                        else:
+elif search --no-floppy --set=root --file /boot/grub2/grub.cfg; then
-                            efi_cfg_content = '''# BootRepairTool - Find /boot partition
+    set prefix=($root)/boot/grub2
-if [ -f (hd0,gpt2)/grub2/grub.cfg ]; then
+elif search --no-floppy --set=root --file /boot/grub/grub.cfg; then
-    set root=(hd0,gpt2)
+    set prefix=($root)/boot/grub
-    set prefix=(hd0,gpt2)/grub2
-elif [ -f (hd0,2)/grub2/grub.cfg ]; then
-    set root=(hd0,2)
-    set prefix=(hd0,2)/grub2
 fi
+
+if [ -n "$root" ] && [ -n "$prefix" ]; then
     configfile ${prefix}/grub.cfg
+else
+    echo "Error: Could not find grub.cfg on any partition."
+    echo "Please check your /boot partition."
+fi
 '''
                         with open(efi_cfg_path, 'w') as f:
                             f.write(efi_cfg_content)
-                        log_success(f"✓ 创建 {efi_dir}/grub.cfg")
+                        log_success(f"✓ 创建 {efi_dir}/grub.cfg (通用搜索)")
                     except Exception as e:
                         log_warning(f"  创建失败: {e}")
         
@@ -2716,9 +2697,14 @@ insmod part_gpt
 insmod xfs
 insmod fat
 
-# Search for the /boot partition by UUID, then set root to the system root
+# Search for the /boot partition by UUID, or try search by file as fallback
-search --no-floppy --fs-uuid --set=root {boot_uuid}
+if search --no-floppy --fs-uuid --set=root {boot_uuid}; then
     set prefix=($root)/grub2
+else
+    # Fallback: search by file
+    search --no-floppy --set=root --file /grub2/grub.cfg
+    set prefix=($root)/grub2
+fi
 
 menuentry 'CentOS Linux (Auto)' {{
     load_video