1 files changed, 20 insertions, 3 deletions
diff --git a/lib/bundler/gem_helpers.rb b/lib/bundler/gem_helpers.rb
index 632698482f..de007523ec 100644
--- a/lib/bundler/gem_helpers.rb
+++ b/lib/bundler/gem_helpers.rb
@@ -10,6 +10,7 @@ module Bundler
       [Gem::Platform.new("universal-mingw32"), Gem::Platform.new("universal-mingw32")],
       [Gem::Platform.new("x64-mingw32"), Gem::Platform.new("x64-mingw32")],
       [Gem::Platform.new("x86_64-mingw32"), Gem::Platform.new("x64-mingw32")],
+      [Gem::Platform.new("x64-mingw-ucrt"), Gem::Platform.new("x64-mingw-ucrt")],
       [Gem::Platform.new("mingw32"), Gem::Platform.new("x86-mingw32")],
     ].freeze
 
@@ -33,6 +34,11 @@ module Bundler
     end
     module_function :local_platform
 
+    def generic_local_platform_is_ruby?
+      generic_local_platform == Gem::Platform::RUBY
+    end
+    module_function :generic_local_platform_is_ruby?
+
     def platform_specificity_match(spec_platform, user_platform)
       spec_platform = Gem::Platform.new(spec_platform)
 
@@ -42,6 +48,19 @@ module Bundler
 
     def select_best_platform_match(specs, platform)
       matching = specs.select {|spec| spec.match_platform(platform) }
+
+      sort_best_platform_match(matching, platform)
+    end
+    module_function :select_best_platform_match
+
+    def force_ruby_platform(specs)
+      matching = specs.select {|spec| spec.match_platform(Gem::Platform::RUBY) && spec.force_ruby_platform! }
+
+      sort_best_platform_match(matching, Gem::Platform::RUBY)
+    end
+    module_function :force_ruby_platform
+
+    def sort_best_platform_match(matching, platform)
       exact = matching.select {|spec| spec.platform == platform }
       return exact if exact.any?
 
@@ -50,7 +69,7 @@ module Bundler
 
       sorted_matching.take_while {|spec| same_specificity(platform, spec, exemplary_spec) && same_deps(spec, exemplary_spec) }
     end
-    module_function :select_best_platform_match
+    module_function :sort_best_platform_match
 
     class PlatformMatch
       def self.specificity_score(spec_platform, user_platform)
@@ -100,8 +119,6 @@ module Bundler
 
     def same_deps(spec, exemplary_spec)
       same_runtime_deps = spec.dependencies.sort == exemplary_spec.dependencies.sort
-      return same_runtime_deps unless spec.is_a?(Gem::Specification) && exemplary_spec.is_a?(Gem::Specification)
-
       same_metadata_deps = spec.required_ruby_version == exemplary_spec.required_ruby_version && spec.required_rubygems_version == exemplary_spec.required_rubygems_version
       same_runtime_deps && same_metadata_deps
     end