NoMethodError - undefined method `dirname' for "*.xcworkspace":String

[sharplet]

Report

• What did you do?

Updated to 0.17.0.rc5 to fix #754, ran pod install

• What did you expect to happen?

Install pods and update Podfile.lock to new format

• What happened instead?

All pods downloaded, error on step "Integrating client project"

Stack

   CocoaPods : 0.17.0.rc5
        Ruby : ruby 1.8.7 (2012-02-08 patchlevel 358) [universal-darwin12.0]
    RubyGems : 1.8.25
        Host : Mac OS X 10.8.2 (12C2034)
       Xcode : 4.6 (4H127)
Ruby lib dir : /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib
Repositories : <snip>
               lcl - git://github.com/aharren/LibComponentLogging-CocoaPods-Specs.git @ 8741f53df63cac52ce25044181015be313ff76dd
               master - https://github.com/CocoaPods/Specs.git @ f66b2555ae59d75291635f209653e83efd6f230f

Podfile

platform :ios, '5.1'

workspace 'Foo'

target :Foo do
    xcodeproj 'Foo'
    pod 'LibComponentLogging-pods', '~> 0.0.1'
    pod 'TestFlightSDK',            '~> 1.1'
    pod 'JSONKit', :git => 'https://github.com/sharplet/JSONKit'
    pod 'RestKit', '~> 0.10.3'
end

target :FooUnitTests do
    xcodeproj 'Foo'
    pod 'LibComponentLogging-pods', '~> 0.0.1'
    pod 'GHUnitIOS',            '~> 0.4.35'
    pod 'OCMock',           '~> 2.0.1'
    pod 'RestKit', '~> 0.10.3'
end

Error

NoMethodError - undefined method `dirname' for "Foo.xcworkspace":String
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/lib/cocoapods/installer/user_project_integrator.rb:85:in `create_workspace'
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/lib/cocoapods/installer/user_project_integrator.rb:84:in `map'
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/lib/cocoapods/installer/user_project_integrator.rb:84:in `create_workspace'
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/lib/cocoapods/installer/user_project_integrator.rb:62:in `integrate!'
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/lib/cocoapods/installer.rb:355:in `integrate_user_project'
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/lib/cocoapods/user_interface.rb:52:in `section'
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/lib/cocoapods/installer.rb:352:in `integrate_user_project'
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/lib/cocoapods/installer.rb:87:in `install!'
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/lib/cocoapods/command/project.rb:40:in `run_install_with_update'
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/lib/cocoapods/command/project.rb:70:in `run'
/Library/Ruby/Gems/1.8/gems/claide-0.2.0/lib/claide.rb:535:in `run'
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/lib/cocoapods/command.rb:36:in `run'
/Library/Ruby/Gems/1.8/gems/cocoapods-0.17.0.rc5/bin/pod:16
/usr/bin/pod:23:in `load'
/usr/bin/pod:23

[alloy]

Indeed, an explicit workspace path is being treated as a Pathname, where it is actually a string. It should be converted to a Pathname here before being returned.