grub2/0283-Check-if-blsdir-exists-before-attempting-to-get-it-s.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Javier Martinez Canillas <javierm@redhat.com>
Date: Fri, 15 Feb 2019 18:15:45 +0100
Subject: [PATCH] Check if blsdir exists before attempting to get it's real
 path

It's wrong to assume that the directory would always exist, grub2-mkconfig
shouldn't fail if that's not the case.

Resolves: rhbz#1677415

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
---
 util/grub.d/10_linux.in     | 9 ++++++---
 util/grub.d/10_linux_bls.in | 9 ++++++---
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
index 7e80245a151..22a85c69ea0 100644
--- a/util/grub.d/10_linux.in
+++ b/util/grub.d/10_linux.in
@@ -166,9 +166,12 @@ fi
 EOF
 
     if [ "x${GRUB_GRUBENV_UPDATE}" = "xyes" ]; then
-        blsdir=$(make_system_path_relative_to_its_root "/boot/loader/entries")
-        if [ "x${blsdir}" != "x/loader/entries" ] && [ "x${blsdir}" != "x/boot/loader/entries" ]; then
-            ${grub_editenv} - set blsdir="${blsdir}"
+        blsdir="/boot/loader/entries"
+        if [ -d "${blsdir}" ]; then
+            blsdir=$(make_system_path_relative_to_its_root "${blsdir}")
+            if [ "x${blsdir}" != "x/loader/entries" ] && [ "x${blsdir}" != "x/boot/loader/entries" ]; then
+                ${grub_editenv} - set blsdir="${blsdir}"
+            fi
         fi
 
 	${grub_editenv} - set kernelopts="root=${linux_root_device_thisversion} ro ${args}"
diff --git a/util/grub.d/10_linux_bls.in b/util/grub.d/10_linux_bls.in
index f0ad9a3da25..47b87c8a14b 100644
--- a/util/grub.d/10_linux_bls.in
+++ b/util/grub.d/10_linux_bls.in
@@ -226,9 +226,12 @@ linux_entry ()
     populate_menu
 
     if [ "x${GRUB_GRUBENV_UPDATE}" = "xyes" ]; then
-        blsdir=$(make_system_path_relative_to_its_root "/boot/loader/entries")
-        if [ "x${blsdir}" != "x/loader/entries" ] && [ "x${blsdir}" != "x/boot/loader/entries" ]; then
-            ${grub_editenv} - set blsdir="${blsdir}"
+        blsdir="/boot/loader/entries"
+        if [ -d "${blsdir}" ]; then
+            blsdir=$(make_system_path_relative_to_its_root "${blsdir}")
+            if [ "x${blsdir}" != "x/loader/entries" ] && [ "x${blsdir}" != "x/boot/loader/entries" ]; then
+                ${grub_editenv} - set blsdir="${blsdir}"
+            fi
         fi
 
 	${grub_editenv} - set kernelopts="root=${linux_root_device_thisversion} ro ${args}"