From 13647388c198ea5b5af1e82d6c8222423991623c Mon Sep 17 00:00:00 2001
From: Steven Peters <scpeters@openrobotics.org>
Date: Wed, 18 Sep 2019 15:14:11 -0700
Subject: [PATCH] formula_installer: don't always install test deps.

Fixes #6470.
---
 Library/Homebrew/formula_installer.rb | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index f8c745f9c9..f012aadbc6 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -483,8 +483,12 @@ class FormulaInstaller
 
       if dep.prune_from_option?(build)
         Dependency.prune
-      elsif include_test? && dep.test? && !dep.installed?
-        Dependency.keep_but_prune_recursive_deps
+      elsif dep.test?
+        if !include_test?
+          Dependency.prune
+        elsif !dep.installed?
+          Dependency.keep_but_prune_recursive_deps
+        end
       elsif dep.build? && install_bottle_for?(dependent, build)
         Dependency.prune
       elsif dep.prune_if_build_and_not_dependent?(dependent)