From 4c52c21d9c12c74424d75aa7bba5a47ce6391651 Mon Sep 17 00:00:00 2001
From: James Bunton <jamesbunton@delx.net.au>
Date: Mon, 12 Jun 2023 12:38:00 +1000
Subject: [PATCH] multiboot - support for old Ubuntu images as well

---
 hacks/multiboot-setup | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/hacks/multiboot-setup b/hacks/multiboot-setup
index aafcb48..30bbe58 100755
--- a/hacks/multiboot-setup
+++ b/hacks/multiboot-setup
@@ -224,8 +224,16 @@ done
 function setup_ubuntu {
   menuentry "\$1" {
     loopback loop \$1
+    set maybe_layerfs_path=''
+    for f in minimal.standard.live.squashfs; do
+      if [ -f "(loop)/casper/\$f" ]; then
+        echo " \$f"
+        set maybe_layerfs_path="layerfs-path=\$f"
+        echo "Setting \$maybe_layerfs_path"
+      fi
+    done
     echo "Loading kernel..."
-    linux (loop)/casper/vmlinuz* layerfs-path=minimal.standard.live.squashfs boot=casper iso-scan/filename=\$1 \$maybe_to_ram \$maybe_quiet
+    linux (loop)/casper/vmlinuz* \$maybe_layerfs_path boot=casper iso-scan/filename=\$1 \$maybe_to_ram \$maybe_quiet
     echo "Loading initrd..."
     initrd (loop)/casper/initrd*
   }
-- 
2.39.2