Instead of renaming kernel for syslinux, create hardlinks

debian/changelog

@@ -43,6 +43,7 @@ live-build (1:20161128) UNRELEASED; urgency=medium
   * Default for LB_UNION_FILESYSTEM is now "overlay" just like in live-boot.
   * Update the way we generate the version of live-build that is displayed by
     lb --version.
+  * Instead of renaming kernel for syslinux, create hardlinks.
 
   [ Kristian Klausen ]
   * Include ext{3,4} journal size when calculating image size. Closes: #801712

scripts/build/binary_iso

@@ -151,7 +151,7 @@ do
 					;;
 			esac
 
-			XORRISO_OPTIONS="${XORRISO_OPTIONS} -no-emul-boot -boot-load-size 4 -boot-info-table"
+			XORRISO_OPTIONS="${XORRISO_OPTIONS} -no-emul-boot -boot-load-size 4 -boot-info-table --hardlinks"
 			;;
 
 		grub-efi)

scripts/build/binary_syslinux

@@ -186,8 +186,8 @@ then
 		1)
 			# If multiple initrd images are being generated (by DKMS packages, etc),
 			# we likely only want the latest version.
-			mv $(ls -r1 --sort=version binary/${_INITRAMFS}/vmlinuz-* | head -n 1) binary/${_INITRAMFS}/vmlinuz
-			mv $(ls -r1 --sort=version binary/${_INITRAMFS}/initrd.img-* | head -n 1) binary/${_INITRAMFS}/initrd.img
+			ln $(ls -r1 --sort=version binary/${_INITRAMFS}/vmlinuz-* | head -n 1) binary/${_INITRAMFS}/vmlinuz
+			ln $(ls -r1 --sort=version binary/${_INITRAMFS}/initrd.img-* | head -n 1) binary/${_INITRAMFS}/initrd.img
 
 			sed -e "s|@FLAVOUR@|${LB_LINUX_FLAVOURS}|g" \
 			    -e "s|@LINUX@|/${_INITRAMFS}/vmlinuz|g" \
@@ -204,8 +204,8 @@ then
 			do
 				_NUMBER="$((${_NUMBER} + 1))"
 
-				mv binary/${_INITRAMFS}/vmlinuz-*-${_FLAVOUR} binary/${_INITRAMFS}/vmlinuz${_NUMBER}
-				mv binary/${_INITRAMFS}/initrd.img-*-${_FLAVOUR} binary/${_INITRAMFS}/initrd${_NUMBER}.img
+				ln binary/${_INITRAMFS}/vmlinuz-*-${_FLAVOUR} binary/${_INITRAMFS}/vmlinuz${_NUMBER}
+				ln binary/${_INITRAMFS}/initrd.img-*-${_FLAVOUR} binary/${_INITRAMFS}/initrd${_NUMBER}.img
 
 				if [ "${_NUMBER}" -gt 1 ]
 				then