From ffb9bd149e6192361c0d72b2b4502d996ba85b95 Mon Sep 17 00:00:00 2001
From: Vitaly Chikunov <vt@altlinux.org>
Date: Mon, 28 Oct 2024 03:56:41 +0300
Subject: [PATCH] update-kernel: Make UPDATE_KERNEL_SYS_FLAVOUR try to fake
 'uname -r'

This is for debugging purposes to test upgrade from 'std-def'

Since I use the archive for testing on a host with a much newer kernel, it
cannot find a flavor to upgrade from 6.11 if the archive only has 6.10.

Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
---
 update-kernel | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/update-kernel b/update-kernel
index 75b230d..d9948a2 100755
--- a/update-kernel
+++ b/update-kernel
@@ -398,6 +398,11 @@ fi
 # set kernel flavour. if not defined with -t option, use current
 if [ -n "$UPDATE_KERNEL_SYS_FLAVOUR" ]; then
 	current_kernel_flavour=$UPDATE_KERNEL_SYS_FLAVOUR
+	ur=$(rpm -q --qf '%{VERSION}-%{NAME}-%{RELEASE}\n' \
+		"kernel-image-$UPDATE_KERNEL_SYS_FLAVOUR" 2>/dev/null |
+		sort -V | tail -1 | sed 's/kernel-image-//')
+	[ -n "$ur" ] && uname_r=$ur
+	unset ur
 else
 	current_kernel_flavour=$uname_r
 	current_kernel_flavour="${current_kernel_flavour#*-}"