also lock oldname when applied

1 files changed, 5 insertions, 0 deletions

diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 7ca2007bb..8fb220ba8 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -689,10 +689,15 @@ class Formula
   def lock
     @lock = FormulaLock.new(name)
     @lock.lock
+    if oldname && (oldname_rack = HOMEBREW_CELLAR/oldname).exist? && oldname_rack.resolved_path == rack
+      @oldname_lock = FormulaLock.new(oldname)
+      @oldname_lock.lock
+    end
   end
 
   def unlock
     @lock.unlock unless @lock.nil?
+    @oldname_lock.unlock unless @oldname_lock.nil?
   end
 
   def pinnable?