[PodspecSource] Evaluate :podspec dependencies in their own directory if the path is local.

CHANGELOG.md

@@ -51,6 +51,11 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
   [Dustin Clark](https://github.com/clarkda)
   [#2558](https://github.com/CocoaPods/CocoaPods/issues/2558)
 
+* Pods referenced via the `:podspec` option will have their podspecs properly
+  parsed in the local directory if the path points to a local file.  
+  [Samuel Giddins](https://github.com/segiddins)
+
+
 ## 0.36.0.beta.1
 
 [CocoaPods](https://github.com/CocoaPods/CocoaPods/compare/0.35.0...0.36.0.beta.1)

lib/cocoapods/external_sources/podspec_source.rb

@@ -9,6 +9,10 @@ module Pod
       def fetch(sandbox)
         title = "Fetching podspec for `#{name}` #{description}"
         UI.titled_section(title,  :verbose_prefix => '-> ') do
+          podspec_path = Pathname(podspec_uri)
+          if podspec_path.exist?
+            store_podspec(sandbox, podspec_path, podspec_path.extname == '.json')
+          else
             is_json = podspec_uri.split('.').last == 'json'
             require 'open-uri'
             begin
@@ -19,6 +23,7 @@ module Pod
             end
           end
         end
+      end
 
       # @see AbstractExternalSource#description
       #

spec/unit/external_sources/podspec_source_spec.rb

@@ -12,7 +12,7 @@ module Pod
 
     it 'creates a copy of the podspec' do
       @subject.fetch(config.sandbox)
-      path = config.sandbox.specifications_root + 'Reachability.podspec'
+      path = config.sandbox.specifications_root + 'Reachability.podspec.json'
       path.should.exist?
     end