From acd41653525c78e294530e44644ba2607edeec5b Mon Sep 17 00:00:00 2001
From: Laurent Sansonetti <lsansonetti@apple.com>
Date: Sun, 13 May 2012 22:34:00 +0200
Subject: [PATCH] Generate BridgeSupport for headers at any level. This patch
 is needed to ensure all headers of Pods will be included in the BS file, with
 the current state of the motion-cocoapods repo.

---
 lib/motion/project/vendor.rb | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/lib/motion/project/vendor.rb b/lib/motion/project/vendor.rb
index 527559f2..04fefb2f 100644
--- a/lib/motion/project/vendor.rb
+++ b/lib/motion/project/vendor.rb
@@ -153,9 +153,9 @@ EOS
         bs_file = File.expand_path(File.basename(@path) + '.bridgesupport')
         headers_dir = opts.delete(:headers_dir)
         if !File.exist?(bs_file) and headers_dir
-          Dir.chdir(headers_dir) do
-            sh "/usr/bin/gen_bridge_metadata --format complete --no-64-bit --cflags \"-I.\" *.h -o \"#{bs_file}\""
-          end 
+          project_dir = File.expand_path(@config.project_dir)
+          headers = Dir.glob(File.join(project_dir, headers_dir, '**/*.h'))
+          BridgeSupport.new(headers).save_as(bs_file)
         end
 
         @bs_files = Dir.glob('*.bridgesupport').map { |x| File.expand_path(x) }
@@ -176,5 +176,24 @@ EOS
       raise "Invalid vendor project type: #{@type}" unless respond_to?(method)
       method
     end
+
+    class BridgeSupport
+      include Rake::DSL if Rake.const_defined?(:DSL)
+
+      attr_reader :headers
+
+      def initialize(headers)
+        @headers = headers
+      end
+
+      def search_paths
+        @headers.map { |header| "-I '#{File.dirname(header)}'" }.uniq
+      end
+
+      def save_as(path)
+        sh %{/usr/bin/gen_bridge_metadata --format complete --no-64-bit --cflags "#{search_paths.join(' ')}" -o '#{path}' '#{headers.join("' '")}'}
+      end
+    end
+
   end
 end; end