Merge "Fail helpfully if no elements are specified"

2014-11-25 12:29:06 +00:00 · 2014-11-25 12:29:06 +00:00 · 9fae41c898
commit 9fae41c898
parent 47b58526e7 9bb7ace03c
1 changed files with 5 additions and 0 deletions
--- a/bin/disk-image-create
+++ b/bin/disk-image-create
@ -142,6 +142,11 @@ if [ "$IS_RAMDISK" == "1" ]; then
  source $_LIB/ramdisk-functions
 fi

+# If no elements are specified theres no way we can succeed
+if [ -z "$@" ]; then
+    echo "ERROR: At least one distribution root element must be specified"
+    exit 1
+fi
 arg_to_elements "$@"

 if [ "${#IMAGE_TYPES[@]}" = "1" ]; then