grub2/0234-Make-grub2-switch-to-blscfg-to-generate-BLS-fragment.patch

From 60bddbc714c96ca05821d52bdd7dbad7eabd6dd5 Mon Sep 17 00:00:00 2001
From: Javier Martinez Canillas <javierm@redhat.com>
Date: Wed, 11 Apr 2018 12:39:59 +0200
Subject: [PATCH] Make grub2-switch-to-blscfg to generate BLS fragment
 for rescue kernel

If a rescue image is available, it should have a BootLoaderSpec fragment.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
---
 util/grub-switch-to-blscfg.in | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/util/grub-switch-to-blscfg.in b/util/grub-switch-to-blscfg.in
index c59299ffa6a..bc28053cd30 100644
--- a/util/grub-switch-to-blscfg.in
+++ b/util/grub-switch-to-blscfg.in
@@ -243,6 +243,10 @@ for kernelver in $(cd /lib/modules/ ; ls -1) "" ; do
     fi
 done
 
+if [[ -f "/boot/vmlinuz-0-rescue-${MACHINE_ID}" ]]; then
+    mkbls "0-rescue-${MACHINE_ID}" "0" >"${blsdir}/${MACHINE_ID}-0-rescue.conf"
+fi
+
 GENERATE=0
 if grep '^GRUB_ENABLE_BLSCFG=.*' "${etcdefaultgrub}" \
         | grep -vq '^GRUB_ENABLE_BLSCFG="*true"*\s*$' ; then