cask: return nil instead of "" if no caveats

2019-09-14 10:08:42 -04:00 · 2019-09-14 10:08:42 -04:00 · a9b9d4613d
commit a9b9d4613d
parent 605a9c6057
1 changed files with 1 additions and 1 deletions
--- a/Library/Homebrew/cask/cask.rb
+++ b/Library/Homebrew/cask/cask.rb
@ -147,7 +147,7 @@ module Cask
        "version"        => version,
        "sha256"         => sha256,
        "artifacts"      => artifacts.map(&method(:to_h_gsubs)),
-        "caveats"        => to_h_string_gsubs(caveats),
+        "caveats"        => (to_h_string_gsubs(caveats) unless caveats.empty?),
        "depends_on"     => depends_on,
        "conflicts_with" => conflicts_with,
        "container"      => container,