Fix the updating of `:git`, `:svn`, and `:hg` dependencies when updating all pods.

Closes https://github.com/CocoaPods/CocoaPods/issues/2859.

CHANGELOG.md

@@ -64,6 +64,12 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
   [Samuel Giddins](https://github.com/segiddins)
   [#2875](https://github.com/CocoaPods/CocoaPods/issues/2875)
 
+* Fix the updating of `:git`, `:svn`, and `:hg` dependencies when updating all
+  pods.  
+  [Samuel Giddins](https://github.com/CocoaPods/CocoaPods/issues/2859)
+  [#2859](https://github.com/CocoaPods/CocoaPods/issues/2859)
+
+
 ## 0.35.0
 
 [CocoaPods](https://github.com/CocoaPods/CocoaPods/compare/0.34.4...0.35.0)

lib/cocoapods/installer/analyzer.rb

@@ -331,6 +331,8 @@ module Pod
           pods_to_fetch = result.podfile_state.added + result.podfile_state.changed
           if update_mode == :selected
             pods_to_fetch += update[:pods]
+          elsif update_mode == :all
+            pods_to_fetch += result.podfile_state.unchanged + result.podfile_state.deleted
           end
           pods_to_fetch
         end

spec/unit/installer/analyzer_spec.rb

@@ -722,6 +722,28 @@ module Pod
         @analyzer.send(:fetch_external_sources)
       end
 
+      it 'ignores lockfile checkout options when updating selected pods' do
+        @analyzer.result.podfile_state.unchanged << 'BananaLib'
+        @analyzer.stubs(:update).returns(:pods => %w(BananaLib))
+
+        downloader = stub('DownloaderSource')
+        ExternalSources.stubs(:from_params).with(@dependency.external_source, @dependency, @podfile.defined_in_file).returns(downloader)
+
+        downloader.expects(:fetch)
+        @analyzer.send(:fetch_external_sources)
+      end
+
+      it 'ignores lockfile checkout options when updating all pods' do
+        @analyzer.result.podfile_state.unchanged << 'BananaLib'
+        @analyzer.stubs(:update).returns(true)
+
+        downloader = stub('DownloaderSource')
+        ExternalSources.stubs(:from_params).with(@dependency.external_source, @dependency, @podfile.defined_in_file).returns(downloader)
+
+        downloader.expects(:fetch)
+        @analyzer.send(:fetch_external_sources)
+      end
+
       it 'does not re-fetch the external source when the sandbox has the correct revision of the source' do
         @analyzer.result.podfile_state.unchanged << 'BananaLib'