Fix upgrade between 3.2.2 versions and older (#1139)

packages/system/suc-upgrade/build.yaml

@@ -1,4 +1,6 @@
 image: "alpine"
 
 steps:
-- cp -rfv suc-upgrade.sh /usr/sbin/suc-upgrade && chmod +x /usr/sbin/suc-upgrade
+- cp -rfv suc-upgrade.sh /usr/sbin/suc-upgrade && chmod +x /usr/sbin/suc-upgrade
+# set the SUC_VERSION key in the script to the package version
+- sed -i "s/SUC_VERSION=.*/SUC_VERSION=${PACKAGE_VERSION}/" /usr/sbin/suc-upgrade

packages/system/suc-upgrade/definition.yaml

@@ -1,3 +1,3 @@
 name: "suc-upgrade"
 category: "system"
-version: "0.3.0"
+version: "0.3.1"

packages/system/suc-upgrade/suc-upgrade.sh

@@ -1,6 +1,9 @@
 #!/bin/bash
 set -x -e
 HOST_DIR="${HOST_DIR:-/host}"
+SUC_VERSION="0.0.0"
+
+echo "SUC_VERSION: $SUC_VERSION"
 
 if [ "$FORCE" != "true" ]; then
     if [ -f "/etc/kairos-release" ]; then
@@ -11,7 +14,7 @@ if [ "$FORCE" != "true" ]; then
       UPDATE_VERSION=$(source /etc/os-release && echo "${KAIROS_VERSION}")
     fi
 
-    if [ -f "/etc/kairos-release" ]; then
+    if [ -f "${HOST_DIR}/etc/kairos-release" ]; then
       # shellcheck disable=SC1091
       CURRENT_VERSION=$(source "${HOST_DIR}"/etc/kairos-release && echo "${KAIROS_VERSION}")
     else