Avoid issues of hard-linking to a symbolic vmlinuz as this can lead to a

dangling symlink.

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (2.543) UNRELEASED; urgency=medium
+
+  * Avoid issues of hard-linking to a symbolic vmlinuz as this can lead to a
+    dangling symlink.
+
+ -- Łukasz 'sil2100' Zemczak <lukasz.zemczak@ubuntu.com>  Tue, 18 Sep 2018 10:21:30 +0200
+
 livecd-rootfs (2.542) cosmic; urgency=medium
 
   * Decide what model assertion series to fetch depending on the suite. Use 16

live-build/auto/build

@@ -848,13 +848,13 @@ done
 NUMFLAVOURS="$(set -- $LB_LINUX_FLAVOURS; echo $#)"
 if [ "$NUMFLAVOURS" = 1 ] && [ "$LB_LINUX_FLAVOURS" != "none" ]; then
 	# only one kernel flavour
-	if [ -e "binary/$INITFS/vmlinuz" ]; then
+	if [ -e "binary/$INITFS/vmlinuz" -a ! -h "binary/$INITFS/vmlinuz" ]; then
 		ln "binary/$INITFS/vmlinuz" "$PREFIX.kernel"
 		chmod 644 "$PREFIX.kernel"
 	else
 		ln -sf "$PREFIX.kernel-$LB_LINUX_FLAVOURS" "$PREFIX.kernel"
 	fi
-	if [ -e "binary/$INITFS/initrd.lz" ]; then
+	if [ -e "binary/$INITFS/initrd.lz" -a ! -h "binary/$INITFS/initrd.lz" ]; then
 		ln "binary/$INITFS/initrd.lz" "$PREFIX.initrd"
 		chmod 644 "$PREFIX.initrd"
 	else