[IMAGEBUILDER PATCH] uboot-script-gen: allow fit generation with no dom0 kernel

[Smith, Jackson]

Hi Stefano,

My colleague Jason Lei and I would like to submit a patch to imagebuilder.

It seems that generating a .fit with a true dom0less configuration fails 
because an extraneous comma is included in the its file.

We believe this change resolves the issue.

Thanks,
Jackson

-- >8 --

Remove extraneous comma in generated its file when no DOM0_KERNEL is specified.

diff --git a/scripts/uboot-script-gen b/scripts/uboot-script-gen
index 8f08cd6..6f94fce 100755
--- a/scripts/uboot-script-gen
+++ b/scripts/uboot-script-gen
@@ -676,7 +676,12 @@ create_its_file_xen()
             i=$(( $i + 1 ))
             continue
         fi
-        load_files+=", \"domU${i}_kernel\""
+       if test -z "$load_files"
+       then
+           load_files+="\"domU${i}_kernel\""
+       else
+           load_files+=", \"domU${i}_kernel\""
+       fi
         cat >> "$its_file" <<- EOF
         domU${i}_kernel {
             description = "domU${i} kernel binary";