From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Javier Martinez Canillas <[email protected]>
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 <[email protected]>
---
 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