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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Robbie Harwood <rharwood@redhat.com>
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Date: Wed, 17 Aug 2022 10:26:07 -0400
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Subject: [PATCH] squish: don't dup rhgb quiet, check mtimes
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Signed-off-by: Robbie Harwood <rharwood@redhat.com>
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---
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util/grub.d/10_linux.in | 14 ++++++++++----
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1 file changed, 10 insertions(+), 4 deletions(-)
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diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
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index 9ebff661a9..41c6cb1dc2 100644
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--- a/util/grub.d/10_linux.in
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+++ b/util/grub.d/10_linux.in
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@@ -161,10 +161,16 @@ update_bls_cmdline()
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local cmdline="root=${LINUX_ROOT_DEVICE} ro ${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
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local -a files=($(get_sorted_bls))
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- if [[ ! -f /etc/kernel/cmdline ]]; then
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- # anaconda has the correct information to do this during install;
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- # afterward, grubby will take care of syncing on updates.
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- echo "$cmdline rhgb quiet" > /etc/kernel/cmdline
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+ if [[ ! -f /etc/kernel/cmdline ]] ||
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+ [[ /etc/kernel/cmdline -ot /etc/default/grub ]]; then
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+ # anaconda has the correct information to create this during install;
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+ # afterward, grubby will take care of syncing on updates. If the user
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+ # has modified /etc/default/grub, try to cope.
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+ if [[ ! "$cmdline" =~ "rhgb quiet" ]]; then
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+ # ensure these only show up once
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+ cmdline="$cmdline rhgb quiet"
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+ fi
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+ echo "$cmdline" > /etc/kernel/cmdline
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fi
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for bls in "${files[@]}"; do
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