From 971650357e4d7228cfa95ea01bc61e69715b159c Mon Sep 17 00:00:00 2001
From: zhangqiumiao <zhangqiumiao1@huawei.com>
Date: Thu, 29 Apr 2021 09:09:10 -0400
Subject: [PATCH] revert "Set default entry to the BLS id instead of the entry index"

revert the patch of "Set default entry to the BLS id instead of the entry index"
Reference: https://github.com/rhinstaller/anaconda/commit/a252e4424bd51d6236d3b7b8e3840d8ca0af90a2
Conflict: https://github.com/rhinstaller/anaconda/commit/a252e4424bd51d6236d3b7b8e3840d8ca0af90a2
---
 .../modules/storage/bootloader/grub2.py       | 24 ++++++++-----------
 1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/pyanaconda/modules/storage/bootloader/grub2.py b/pyanaconda/modules/storage/bootloader/grub2.py
index 48ca354..964c56a 100644
--- a/pyanaconda/modules/storage/bootloader/grub2.py
+++ b/pyanaconda/modules/storage/bootloader/grub2.py
@@ -335,20 +335,16 @@ class GRUB2(BootLoader):
 
         # make sure the default entry is the OS we are installing
         if self.default is not None:
-            machine_id_path = conf.target.system_root + "/etc/machine-id"
-            if not os.access(machine_id_path, os.R_OK):
-                log.error("failed to read machine-id, default entry not set")
-                return
-
-            with open(machine_id_path, "r") as fd:
-                machine_id = fd.readline().strip()
-
-            default_entry = "%s-%s" % (machine_id, self.default.version)
-            rc = util.execWithRedirect(
-                "grub2-set-default",
-                [default_entry],
-                root=conf.target.system_root
-            )
+            # find the index of the default image
+            try:
+                default_index = self.images.index(self.default)
+            except ValueError:
+                # pylint: disable=no-member
+                log.warning("Failed to find default image (%s), defaulting to 0",
+                            self.default.label)
+                default_index = 0
+
+            rc = util.execInSysroot("grub2-set-default", [str(default_index)])
             if rc:
                 log.error("failed to set default menu entry to %s", productName)
 
-- 
2.19.1