From 006f25d8cfa5ffa9e4c531d49dcc99fe312edff6 Mon Sep 17 00:00:00 2001
From: Markus Reiter
Date: Sun, 4 Dec 2016 21:35:43 +0100
Subject: Use Homebrew to detect if X11 is installed.

---
 Library/Homebrew/cask/lib/hbc/installer.rb | 2 +-
 Library/Homebrew/cask/lib/hbc/locations.rb | 8 --------
 2 files changed, 1 insertion(+), 9 deletions(-)

(limited to 'Library/Homebrew/cask/lib')

diff --git a/Library/Homebrew/cask/lib/hbc/installer.rb b/Library/Homebrew/cask/lib/hbc/installer.rb
index 57efe97e9..afdaa2ec5 100644
--- a/Library/Homebrew/cask/lib/hbc/installer.rb
+++ b/Library/Homebrew/cask/lib/hbc/installer.rb
@@ -179,7 +179,7 @@ module Hbc
 
     def x11_dependencies
       return unless @cask.depends_on.x11
-      raise CaskX11DependencyError, @cask.token if Hbc.x11_libpng.select(&:exist?).empty?
+      raise CaskX11DependencyError, @cask.token unless MacOS::X11.installed?
     end
 
     def formula_dependencies
diff --git a/Library/Homebrew/cask/lib/hbc/locations.rb b/Library/Homebrew/cask/lib/hbc/locations.rb
index 7a0bde1b0..f28e84b2e 100644
--- a/Library/Homebrew/cask/lib/hbc/locations.rb
+++ b/Library/Homebrew/cask/lib/hbc/locations.rb
@@ -171,14 +171,6 @@ module Hbc
       def pre_mavericks_accessibility_dotfile
         @pre_mavericks_accessibility_dotfile ||= Pathname.new("/private/var/db/.AccessibilityAPIEnabled")
       end
-
-      def x11_executable
-        @x11_executable ||= Pathname.new("/usr/X11/bin/X")
-      end
-
-      def x11_libpng
-        @x11_libpng ||= [Pathname.new("/opt/X11/lib/libpng.dylib"), Pathname.new("/usr/X11/lib/libpng.dylib")]
-      end
     end
   end
 end
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