Fix `INFOPLIST_FILE` being overridden when set in `pod_target_xcconfig`

CHANGELOG.md

@@ -24,6 +24,10 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
 
 ##### Bug Fixes
 
+* Fix `INFOPLIST_FILE` being overridden when set in a Podspec's `pod_target_xcconfig`  
+  [Eric Amorde](https://github.com/amorde)
+  [#7530](https://github.com/CocoaPods/CocoaPods/issues/7530)
+
 * Raise an error if user target `SWIFT_VERSION` is missing  
   [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
   [#7770](https://github.com/CocoaPods/CocoaPods/issues/7770)

lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb

@@ -79,7 +79,7 @@ module Pod
               end
 
               if target.requires_frameworks?
-                unless target.static_framework?
+                unless skip_info_plist?(native_target)
                   create_info_plist_file(target.info_plist_path, native_target, target.version, target.platform)
                 end
                 create_build_phase_to_symlink_header_folders(native_target)
@@ -114,6 +114,18 @@ module Pod
             specs.any? { |spec| spec.prefix_header_file.is_a?(FalseClass) }
           end
 
+          # True if info.plist generation should be skipped
+          #
+          # @param [PXNativeTarget] native_target
+          #
+          # @return [Boolean] Whether the target should build an Info.plist file
+          #
+          def skip_info_plist?(native_target)
+            return true if target.static_framework?
+            existing_setting = native_target.resolved_build_setting('INFOPLIST_FILE', true).values.compact
+            !existing_setting.empty?
+          end
+
           # Remove the default headers folder path settings for static library pod
           # targets.
           #

spec/unit/installer/xcode/pods_project_generator/pod_target_installer_spec.rb

@@ -90,6 +90,16 @@ module Pod
               end
             end
 
+            it 'respects INFOPLIST_FILE of pod_target_xcconfig' do
+              @spec.pod_target_xcconfig = {
+                'INFOPLIST_FILE' => 'somefile.plist',
+              }
+              @installer.install!
+              @project.targets.first.build_configurations.each do |config|
+                config.resolve_build_setting('INFOPLIST_FILE').should == 'somefile.plist'
+              end
+            end
+
             #--------------------------------------#
 
             describe 'headers folder paths' do
@@ -757,6 +767,34 @@ module Pod
               @pod_target.dummy_source_path.read.should.include?('@interface PodsDummy_BananaLib')
             end
 
+            it 'creates an info.plist file when frameworks are required' do
+              @pod_target.stubs(:requires_frameworks?).returns(true)
+              @installer.install!
+              group = @project['Pods/BananaLib/Support Files']
+              group.children.map(&:display_name).sort.should == [
+                'BananaLib-Info.plist',
+                'BananaLib-dummy.m',
+                'BananaLib-prefix.pch',
+                'BananaLib.modulemap',
+                'BananaLib.xcconfig',
+              ]
+            end
+
+            it 'does not create an Info.plist file if INFOPLIST_FILE is set' do
+              @pod_target.stubs(:requires_frameworks?).returns(true)
+              @spec.pod_target_xcconfig = {
+                'INFOPLIST_FILE' => 'somefile.plist',
+              }
+              @installer.install!
+              group = @project['Pods/BananaLib/Support Files']
+              group.children.map(&:display_name).sort.should == [
+                'BananaLib-dummy.m',
+                'BananaLib-prefix.pch',
+                'BananaLib.modulemap',
+                'BananaLib.xcconfig',
+              ]
+            end
+
             #--------------------------------------------------------------------------------#
 
             it 'creates an aggregate placeholder native target if the target should not be built' do