Sync from SUSE:SLFO:Main kernel-livepatch-tools revision 43f8724f091c294e5f7528f74c5e9015

kernel-livepatch-tools.changes

@@ -1,3 +1,21 @@
+-------------------------------------------------------------------
+Wed Jun 25 15:20:40 UTC 2025 - Petr Mladek <pmladek@suse.com>
+
+- Hardcode version 1.2 when building for older distributions
+  than SL 16.0. The existing livepatch packages require exactly
+  this version. But new versions are backward compatible.
+
+-------------------------------------------------------------------
+Wed Jun 25 13:30:09 UTC 2025 - Petr Mladek <pmladek@suse.com>
+
+- Release version 1.7
+
+-------------------------------------------------------------------
+Wed Jun 25 10:34:15 UTC 2025 - Petr Mladek <pmladek@suse.com>
+
+- Use "transactional-update" for downgrading livepatch package
+  on transactional systems (bsc#1245346)
+
 -------------------------------------------------------------------
 Fri Jan 31 10:10:30 UTC 2025 - Petr Mladek <pmladek@suse.com>
 

kernel-livepatch-tools.spec

@@ -19,7 +19,11 @@
 %define dracutlibdir %{_prefix}/lib/dracut
 
 Name:           kernel-livepatch-tools
-Version:        1.6
+%if 0%{?suse_version} >= 1600
+Version:        1.7
+%else
+Version:        1.2
+%endif
 Release:        0
 Summary:        Scripts for installing kernel live patches
 License:        GPL-2.0-only

klp.sh

@@ -194,6 +194,13 @@ function klp_detailed_patch_info() {
     fi
 }
 
+# This check is inspired by zypper source code
+function is_transactional_system() {
+    findmnt -O "ro" -t "btrfs" "/" >/dev/null 2>&1 || return 1
+    which "transactional-update" >/dev/null 2>&1 || return 1
+    return 0
+}
+
 function klp_downgrade()
 {
     VERBOSE_ORIG="$VERBOSE"
@@ -237,7 +244,12 @@ function klp_downgrade()
 	exit 1
     fi
 
-    ZYPPER_COMMAND="zypper -n in --oldpackage $RPM_NAME = $PREV_RPM_VERSION"
+    if is_transactional_system ; then
+	ZYPPER_COMMAND="transactional-update pkg in -n"
+    else
+	ZYPPER_COMMAND="zypper -n in"
+    fi
+    ZYPPER_COMMAND="$ZYPPER_COMMAND --oldpackage $RPM_NAME = $PREV_RPM_VERSION"
     echo "KLP tool will replace the current kernel live patch with its previous version."
     echo "The command for downgrade is: $ZYPPER_COMMAND"
     if [ -z "$NON_INTERACTIVE" ]; then