Batch up mdfind calls when possible

Library/Homebrew/cmd/doctor.rb

@@ -438,7 +438,7 @@ end
 
 def check_xcode_select_path
   if not MacOS::CLT.installed? and not File.file? "#{MacOS::Xcode.folder}/usr/bin/xcodebuild"
-    path = MacOS.app_with_bundle_id(MacOS::Xcode::V4_BUNDLE_ID) || MacOS.app_with_bundle_id(MacOS::Xcode::V3_BUNDLE_ID)
+    path = MacOS.app_with_bundle_id(MacOS::Xcode::V4_BUNDLE_ID, MacOS::Xcode::V3_BUNDLE_ID)
     path = '/Developer' if path.nil? or not path.directory?
     <<-EOS.undent
       Your Xcode is configured with an invalid path.

Library/Homebrew/os/mac.rb

@@ -269,22 +269,26 @@ module OS
       EOS
     end
 
-    def app_with_bundle_id id
-      path = mdfind(id).first
+    def app_with_bundle_id(*ids)
+      path = mdfind(*ids).first
       Pathname.new(path) unless path.nil? or path.empty?
     end
 
-    def mdfind id
+    def mdfind(*ids)
       return [] unless OS.mac?
-      (@mdfind ||= {}).fetch(id.to_s) do |key|
-        @mdfind[key] = `/usr/bin/mdfind "kMDItemCFBundleIdentifier == '#{key}'"`.split("\n")
+      (@mdfind ||= {}).fetch(ids) do
+        @mdfind[ids] = `/usr/bin/mdfind "#{mdfind_query(*ids)}"`.split("\n")
       end
     end
 
-    def pkgutil_info id
+    def pkgutil_info(id)
       (@pkginfo ||= {}).fetch(id.to_s) do |key|
         @pkginfo[key] = `/usr/sbin/pkgutil --pkg-info "#{key}" 2>/dev/null`.strip
       end
     end
+
+    def mdfind_query(*ids)
+      ids.map! { |id| "kMDItemCFBundleIdentifier == #{id}" }.join(" || ")
+    end
   end
 end

Library/Homebrew/os/mac/xcode.rb

@@ -70,7 +70,7 @@ module OS
       # helper tools and installed Xcode in a non-conventional place, this
       # is our only option. See: http://superuser.com/questions/390757
       def bundle_path
-        MacOS.app_with_bundle_id(V4_BUNDLE_ID) || MacOS.app_with_bundle_id(V3_BUNDLE_ID)
+        MacOS.app_with_bundle_id(V4_BUNDLE_ID, V3_BUNDLE_ID)
       end
 
       def installed?

Library/Homebrew/os/mac/xquartz.rb

@@ -52,7 +52,7 @@ module OS
       end
 
       def bundle_path
-        MacOS.app_with_bundle_id(FORGE_BUNDLE_ID) || MacOS.app_with_bundle_id(APPLE_BUNDLE_ID)
+        MacOS.app_with_bundle_id(FORGE_BUNDLE_ID, APPLE_BUNDLE_ID)
       end
 
       def version_from_mdls(path)