Do not pass code-sign arguments for OS X targets.

Fixes #3310

CHANGELOG.md

@@ -4,6 +4,15 @@ To install or update CocoaPods see this [guide](http://docs.cocoapods.org/guides
 
 To install release candidates run `[sudo] gem install cocoapods --pre`
 
+## Master
+
+##### Bug Fixes
+
+* Do not pass code-sign arguments to xcodebuild when linting OS X targets.  
+  [Boris Bügling](https://github.com/neonichu)
+  [#3310](https://github.com/CocoaPods/CocoaPods/issues/3310)
+
+
 ## 0.36.3
 
 ##### Bug Fixes

lib/cocoapods/validator.rb

@@ -538,8 +538,8 @@ module Pod
     #         returns its output (both STDOUT and STDERR).
     #
     def xcodebuild
-      command = 'xcodebuild clean build -target Pods CODE_SIGN_IDENTITY=-'
-      command << ' -sdk iphonesimulator' if consumer.platform_name == :ios
+      command = 'xcodebuild clean build -target Pods'
+      command << ' CODE_SIGN_IDENTITY=- -sdk iphonesimulator' if consumer.platform_name == :ios
       output, status = _xcodebuild "#{command} 2>&1"
 
       unless status.success?

spec/unit/validator_spec.rb

@@ -380,9 +380,9 @@ module Pod
         validator.stubs(:check_file_patterns)
         validator.stubs(:validate_url)
         validator.expects(:`).with('which xcodebuild').twice.returns('/usr/bin/xcodebuild')
-        command = 'xcodebuild clean build -target Pods CODE_SIGN_IDENTITY=-'
+        command = 'xcodebuild clean build -target Pods'
         validator.expects(:`).with("#{command} 2>&1").once.returns('')
-        validator.expects(:`).with("#{command} -sdk iphonesimulator 2>&1").once.returns('')
+        validator.expects(:`).with("#{command} CODE_SIGN_IDENTITY=- -sdk iphonesimulator 2>&1").once.returns('')
         validator.validate
       end