From e0c8c00e879410c6de6062c3de5319e6c073dd04 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Fri, 12 Aug 2016 21:06:51 +0100
Subject: [PATCH] formula_versions: set/unset raise_deprecation_exceptions.

---
 Library/Homebrew/formula_versions.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Library/Homebrew/formula_versions.rb b/Library/Homebrew/formula_versions.rb
index de285b642d..13cb8ac8c4 100644
--- a/Library/Homebrew/formula_versions.rb
+++ b/Library/Homebrew/formula_versions.rb
@@ -34,6 +34,7 @@ class FormulaVersions
     contents = file_contents_at_revision(rev)
 
     begin
+      Homebrew.raise_deprecation_exceptions = true
       nostdout { yield Formulary.from_contents(name, path, contents) }
     rescue *IGNORED_EXCEPTIONS => e
       # We rescue these so that we can skip bad versions and
@@ -41,6 +42,8 @@ class FormulaVersions
       ohai "#{e} in #{name} at revision #{rev}", e.backtrace if ARGV.debug?
     rescue FormulaUnavailableError
       # Suppress this error
+    ensure
+      Homebrew.raise_deprecation_exceptions = false
     end
   end