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grub2/SOURCES/0561-switch-to-blscfg-don-t...

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Robbie Harwood <rharwood@redhat.com>
Date: Tue, 18 Oct 2022 14:15:28 -0400
Subject: [PATCH] switch-to-blscfg: don't assume newline at end of cfg
Signed-off-by: Robbie Harwood <rharwood@redhat.com>
---
util/grub-switch-to-blscfg.in | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/util/grub-switch-to-blscfg.in b/util/grub-switch-to-blscfg.in
index eeea130770..5a97954c39 100644
--- a/util/grub-switch-to-blscfg.in
+++ b/util/grub-switch-to-blscfg.in
@@ -277,7 +277,9 @@ if grep '^GRUB_ENABLE_BLSCFG=.*' "${etcdefaultgrub}" \
fi
GENERATE=1
elif ! grep -q '^GRUB_ENABLE_BLSCFG=.*' "${etcdefaultgrub}" ; then
- if ! echo 'GRUB_ENABLE_BLSCFG=true' >> "${etcdefaultgrub}" ; then
+ # prepend in case admins have been bad at newlines
+ sed -i '1iGRUB_ENABLE_BLSCFG=true' "${etcdefaultgrub}"
+ if ! grep -q '^GRUB_ENABLE_BLSCFG=true' "${etcdefaultgrub}" ; then
gettext_printf "Updating %s failed\n" "${etcdefaultgrub}"
exit 1
fi