core: 没有 EFI 分区时显示提示

关联 #115

trans.sh

@@ -608,7 +608,7 @@ grep_efi_index() {
 add_fallback_efi_to_nvram() {
     apk add lsblk efibootmgr
 
-    efi_row=$(lsblk /dev/$xda -ro NAME,PARTTYPE,PARTUUID | grep -i "$EFI_UUID")
+    if efi_row=$(lsblk /dev/$xda -ro NAME,PARTTYPE,PARTUUID | grep -i "$EFI_UUID"); then
         efi_part_uuid=$(echo "$efi_row" | awk '{print $3}')
         efi_part_name=$(echo "$efi_row" | awk '{print $1}')
         efi_part_num=$(get_part_num_by_part "$efi_part_name")
@@ -632,6 +632,18 @@ add_fallback_efi_to_nvram() {
             fi
             efibootmgr --bootorder "$new_order"
         fi
+    else
+        echo "
+Warning: This machine is currently using EFI boot, but the main hard drive does not have an EFI partition.
+If this machine supports Legacy BIOS boot (CSM), you can safely restart into the new system by running the reboot command.
+If this machine does not support Legacy BIOS boot (CSM), you will not be able to enter the new system after rebooting.
+
+警告：本机目前使用 EFI 引导，但主硬盘没有 EFI 分区。
+如果本机支持 Legacy BIOS 引导 (CSM)，你可以运行 reboot 命令安全地重启到新系统。
+如果本机不支持 Legacy BIOS 引导 (CSM)，重启后将无法进入新系统。
+"
+        exit
+    fi
 }
 
 unix2dos() {