grub2/0178-squish-don-t-dup-rhgb-quiet-check-mtimes.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Robbie Harwood <rharwood@redhat.com>
Date: Wed, 17 Aug 2022 10:26:07 -0400
Subject: [PATCH] squish: don't dup rhgb quiet, check mtimes
Signed-off-by: Robbie Harwood <rharwood@redhat.com>
---
util/grub.d/10_linux.in | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
index a6568caf7d1..079bb9a0961 100644
--- a/util/grub.d/10_linux.in
+++ b/util/grub.d/10_linux.in
@@ -163,10 +163,16 @@ update_bls_cmdline()
local cmdline="root=${LINUX_ROOT_DEVICE} ro ${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
local -a files=($(get_sorted_bls))
- if [[ ! -f /etc/kernel/cmdline ]]; then
- # anaconda has the correct information to do this during install;
- # afterward, grubby will take care of syncing on updates.
- echo "$cmdline rhgb quiet" > /etc/kernel/cmdline
+ if [[ ! -f /etc/kernel/cmdline ]] ||
+ [[ /etc/kernel/cmdline -ot /etc/default/grub ]]; then
+ # anaconda has the correct information to create this during install;
+ # afterward, grubby will take care of syncing on updates. If the user
+ # has modified /etc/default/grub, try to cope.
+ if [[ ! "$cmdline" =~ "rhgb quiet" ]]; then
+ # ensure these only show up once
+ cmdline="$cmdline rhgb quiet"
+ fi
+ echo "$cmdline" > /etc/kernel/cmdline
fi
for bls in "${files[@]}"; do