add Xcode version to brew --config

1 files changed, 5 insertions, 0 deletions

diff --git a/Library/Homebrew/brew.h.rb b/Library/Homebrew/brew.h.rb
index 2eb6f8e2e..560955194 100644
--- a/Library/Homebrew/brew.h.rb
+++ b/Library/Homebrew/brew.h.rb
@@ -579,6 +579,11 @@ def llvm_build
   end
 end
 
+def xcode_version
+  `xcodebuild -version 2>&1` =~ /Xcode (\d(\.\d)*)/
+  return $1 ? $1 : nil
+end
+
 def _compiler_recommendation build, recommended
   message = (!build.nil? && build < recommended) ? "(#{recommended} or newer recommended)" : ""
   return build, message