Update rootfs_utils.jl

JuliaLang · Jul 15, 2021 · 624b75c · 624b75c
1 parent 6e2546d
commit 624b75c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/.buildkite/rootfs_images/rootfs_utils.jl b/.buildkite/rootfs_images/rootfs_utils.jl
@@ -107,7 +107,8 @@ end
 
 function get_tag_name(args; usage)
     tag_name = convert(String, strip(args[1]))::String
-    isempty(tag_name) && throw(ArgumentError(usage))
+    isempty(tag_name)          && throw(ArgumentError(usage))
+    startswith(tag_name, "--") && throw(ArgumentError(usage))
     return tag_name
 end