epm update-kernel: add --check-run-kernel argument

bin/epm-kernel_update

@@ -66,6 +66,11 @@ case $1 in
         used_kflavour
         info 'You used $USED_KFLAVOUR kernel kflavour'
         return ;;
+
+    '--check-run-kernel' )
+        assure_root
+        check_run_kernel
+        return ;;
 esac
 
     warmup_bases
@@ -143,3 +148,8 @@ used_kflavour () {
         USED_KFLAVOUR=$(uname -r | awk -F'-' '{print $2 "-" $3}')
     fi
 }
+
+check_run_kernel() {
+    used_kflavour
+    ls /boot | grep "vmlinuz" | grep -v "vmlinuz-$USED_KFLAVOUR" | grep "${USED_KFLAVOUR}" | sort -Vr | head -n1 | grep -q $(uname -r)
+}