From ee0e9945e0f1a690471cca570ed005694d7ca6d8 Mon Sep 17 00:00:00 2001
From: William Ma <whoiswillma@gmail.com>
Date: Wed, 8 Jul 2020 12:43:24 -0400
Subject: [PATCH] outdated: Update logic when handling --json to be more
 explicit

---
 Library/Homebrew/cmd/outdated.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/outdated.rb b/Library/Homebrew/cmd/outdated.rb
index 2573434eff..3150f1d444 100644
--- a/Library/Homebrew/cmd/outdated.rb
+++ b/Library/Homebrew/cmd/outdated.rb
@@ -48,9 +48,14 @@ module Homebrew
 
     if args.json
       raise UsageError, "invalid JSON version: #{args.json}" unless ["v1", true].include? args.json
+
+      # When user asks for json, print json for formula only unless the user explicitly asks for casks
+      formula_only = !args.cask_only?
+    else
+      formula_only = args.formula_only?
     end
 
-    if args.formula_only? || !args.cask_only? && args.json
+    if formula_only
       formulae = args.resolved_formulae.blank? ? Formula.installed : args.resolved_formulae
       outdated = print_outdated_formulae(formulae)
     elsif args.cask_only?