From a46fa38ea7bf9ca609cd007e7586ae1f670b309f Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Sat, 9 Jan 2016 10:30:44 +0000
Subject: diagnostic: warn on outdated OS X versions.

We don't have CI or new bottles for them so they aren't supported well
so we should warn users.

Closes Homebrew/homebrew#47812.
---
 Library/Homebrew/diagnostic.rb | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

(limited to 'Library')

diff --git a/Library/Homebrew/diagnostic.rb b/Library/Homebrew/diagnostic.rb
index 3dd7f566f..7e3c5e491 100644
--- a/Library/Homebrew/diagnostic.rb
+++ b/Library/Homebrew/diagnostic.rb
@@ -304,11 +304,19 @@ module Homebrew
       end
 
       def check_for_unsupported_osx
-        if !ARGV.homebrew_developer? && OS::Mac.prerelease? then <<-EOS.undent
-        You are using OS X #{MacOS.version}.
-        We do not provide support for this pre-release version.
-        You may encounter build failures or other breakages.
-        EOS
+        return if ARGV.homebrew_developer?
+        if OS::Mac.prerelease?
+          <<-EOS.undent
+            You are using OS X #{MacOS.version}.
+            We do not provide support for this pre-release version.
+            You may encounter build failures or other breakages.
+          EOS
+        elsif OS::Mac.outdated_release?
+          <<-EOS.undent
+            You are using OS X #{MacOS.version}.
+            We (and Apple) do not provide support for this old version.
+            You may encounter build failures or other breakages.
+          EOS
         end
       end
 
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