add Xcode version to brew --config

2 files changed, 7 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
diff --git a/bin/brew b/bin/brew
index 000d074d4..2fe06f3c6 100755
--- a/bin/brew
+++ b/bin/brew
@@ -49,6 +49,7 @@ def dump_config
   llvm,   llvm_msg   = _compiler_recommendation llvm_build,   RECOMMENDED_LLVM
   gcc_42, gcc_42_msg = _compiler_recommendation gcc_42_build, RECOMMENDED_GCC_42
   gcc_40, gcc_40_msg = _compiler_recommendation gcc_40_build, RECOMMENDED_GCC_40
+  xcode = xcode_version || "?"
 
   puts <<-EOS
 HOMEBREW_VERSION: #{HOMEBREW_VERSION}
@@ -62,6 +63,7 @@ OS X: #{MACOS_FULL_VERSION}
 Kernel Architecture: #{kernel_arch}
 Ruby: #{RUBY_VERSION}-#{RUBY_PATCHLEVEL}
 /usr/bin/ruby => #{system_ruby.realpath}
+Xcode: #{xcode}
 GCC-4.0: #{gcc_40 ? "build #{gcc_40}" : "N/A"} #{gcc_42_msg}
 GCC-4.2: #{gcc_42 ? "build #{gcc_42}" : "N/A"} #{gcc_40_msg}
 LLVM: #{llvm ? "build #{llvm}" : "N/A" } #{llvm_msg}