From c19cc70ac8b87bfe93d2b94e5693584139238e23 Mon Sep 17 00:00:00 2001
From: Shaun Jackman
Date: Thu, 28 Sep 2017 11:36:56 -0700
Subject: FormulaInstaller: Warn when tap version is newer

Warn if a more recent version of this formula is available in the tap.
---
 Library/Homebrew/formula_installer.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index ea4415796..845152e24 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -235,6 +235,15 @@ class FormulaInstaller
       raise CannotInstallFormulaError, message
     end
 
+    # Warn if a more recent version of this formula is available in the tap.
+    begin
+      if formula.pkg_version < (v = Formulary.factory(formula.full_name).pkg_version)
+        opoo "#{formula.full_name} #{v} is available and more recent than version #{formula.pkg_version}."
+      end
+    rescue FormulaUnavailableError
+      nil
+    end
+
     check_conflicts
 
     if !pour_bottle? && !formula.bottle_unneeded? && !DevelopmentTools.installed?
-- 
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