rubygems_ext.rb in bundler-2.3.21

- old
+ new

@@ -13,10 +13,11 @@
 # require, which would trigger a monitor error and cause the `autoload` to
 # eventually fail. A better solution is probably to completely avoid autoloading
 # `Gem::Source` from the redefined `Gem::Specification#source`.
 require "rubygems/source"
 
+require_relative "match_metadata"
 require_relative "match_platform"
 
 # Cherry-pick fixes to `Gem.ruby_version` to be useful for modern Bundler
 # versions and ignore patchlevels
 # (https://github.com/rubygems/rubygems/pull/5472,
@@ -26,10 +27,11 @@
   Gem.instance_variable_set(:@ruby_version, Gem::Version.new(RUBY_VERSION))
 end
 
 module Gem
   class Specification
+    include ::Bundler::MatchMetadata
     include ::Bundler::MatchPlatform
 
     attr_accessor :remote, :location, :relative_loaded_from
 
     remove_method :source
@@ -233,9 +235,35 @@
     MSWIN = Gem::Platform.new("mswin32")
     MSWIN64 = Gem::Platform.new("mswin64")
     MINGW = Gem::Platform.new("x86-mingw32")
     X64_MINGW = [Gem::Platform.new("x64-mingw32"),
                  Gem::Platform.new("x64-mingw-ucrt")].freeze
+
+    if Gem::Platform.new("x86_64-linux-musl") === Gem::Platform.new("x86_64-linux")
+      remove_method :===
+
+      def ===(other)
+        return nil unless Gem::Platform === other
+
+        # universal-mingw32 matches x64-mingw-ucrt
+        return true if (@cpu == "universal" || other.cpu == "universal") &&
+                       @os.start_with?("mingw") && other.os.start_with?("mingw")
+
+        # cpu
+        ([nil,"universal"].include?(@cpu) || [nil, "universal"].include?(other.cpu) || @cpu == other.cpu ||
+        (@cpu == "arm" && other.cpu.start_with?("arm"))) &&
+
+          # os
+          @os == other.os &&
+
+          # version
+          (
+            (@os != "linux" && (@version.nil? || other.version.nil?)) ||
+            (@os == "linux" && ((@version.nil? && ["gnu", "musl"].include?(other.version)) || (@version == "gnu" && other.version.nil?))) ||
+            @version == other.version
+          )
+      end
+    end
   end
 
   Platform.singleton_class.module_eval do
     unless Platform.singleton_methods.include?(:match_spec?)
       def match_spec?(spec)