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From d3b559f5e561750e6c50449b2ca84b40abeb492d Mon Sep 17 00:00:00 2001
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From: Antonio Alvarez Feijoo <antonio.feijoo@suse.com>
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Date: Fri, 4 Nov 2022 09:57:24 +0100
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Subject: [PATCH] kernel-install/90-loaderentry: do not add multiple
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 systemd.machine_id options
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Do not unconditionally add a new systemd.machine_id command line option, first
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check if it already exists with the expected value.
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Fixes #25203
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(cherry picked from commit 981502c5cc9ce32c3f77ff74aad87cd6f0da3b16)
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Related #2138081
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---
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 src/kernel-install/90-loaderentry.install | 2 +-
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 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/kernel-install/90-loaderentry.install b/src/kernel-install/90-loaderentry.install
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index 743af33aa9..ea75e1b0d8 100755
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--- a/src/kernel-install/90-loaderentry.install
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+++ b/src/kernel-install/90-loaderentry.install
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@@ -85,7 +85,7 @@ BOOT_OPTIONS="${BOOT_OPTIONS% }"
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 # command line with the machine ID we use, so that the machine ID remains
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 # stable, even during factory reset, in the initrd (where the system's machine
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 # ID is not directly accessible yet), and if the root file system is volatile.
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-if [ "$ENTRY_TOKEN" = "$MACHINE_ID" ]; then
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+if [ "$ENTRY_TOKEN" = "$MACHINE_ID" ] && ! echo "$BOOT_OPTIONS" | grep -q "systemd.machine_id=$MACHINE_ID"; then
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     BOOT_OPTIONS="$BOOT_OPTIONS systemd.machine_id=$MACHINE_ID"
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 fi
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