Warn more about failing bottle version detection.

This is needed for local bottle installation and also possible when
detecting bottle versions from URLs.

1 files changed, 3 insertions, 0 deletions

diff --git a/Library/Homebrew/cmd/audit.rb b/Library/Homebrew/cmd/audit.rb
index 46197298b..e0d2a8d00 100644
--- a/Library/Homebrew/cmd/audit.rb
+++ b/Library/Homebrew/cmd/audit.rb
@@ -281,6 +281,9 @@ class FormulaAuditor
         if version_url.to_s == version_text.to_s && s.version.instance_of?(Version)
           problem "#{spec} version #{version_text} is redundant with version scanned from URL"
         end
+        if bottle_filename_formula_name(bottle_filename(f)).empty?
+          problem "Add a new version regex to version.rb to parse the bottle filename."
+        end
       end
 
       if s.version.to_s =~ /^v/