1 files changed, 82 insertions, 0 deletions
diff --git a/ext/psych/psych.gemspec b/ext/psych/psych.gemspec
new file mode 100644
index 0000000000..a32f79bc16
--- /dev/null
+++ b/ext/psych/psych.gemspec
@@ -0,0 +1,82 @@
+# -*- encoding: utf-8 -*-
+# frozen_string_literal: true
+
+version_module = Module.new do
+  version_rb = File.join(__dir__, "lib/psych/versions.rb")
+  module_eval(File.read(version_rb), version_rb)
+end
+
+Gem::Specification.new do |s|
+  s.name = "psych"
+  s.version = version_module::Psych::VERSION
+  s.authors = ["Aaron Patterson", "SHIBATA Hiroshi", "Charles Oliver Nutter"]
+  s.email = ["aaron@tenderlovemaking.com", "hsbt@ruby-lang.org", "headius@headius.com"]
+  s.summary = "Psych is a YAML parser and emitter"
+  s.description = <<-DESCRIPTION
+Psych is a YAML parser and emitter. Psych leverages libyaml[https://pyyaml.org/wiki/LibYAML]
+for its YAML parsing and emitting capabilities. In addition to wrapping libyaml,
+Psych also knows how to serialize and de-serialize most Ruby objects to and from the YAML format.
+DESCRIPTION
+  s.homepage = "https://github.com/ruby/psych"
+  s.licenses = ["MIT"]
+  s.require_paths = ["lib"]
+
+  # for ruby core repository.
+  # It was generated by
+  # `git ls-files -z`.split("\x0").reject { |f|
+  #   f.match(%r{^\.git|^(test|spec|features|bin|tool)/|^[A-Z]\w+file$|/extlibs$|\.(gemspec|java)$|jar})
+  # }
+  s.files = [
+    "CONTRIBUTING.md", "LICENSE", "README.md", "ext/psych/depend",
+    "ext/psych/extconf.rb", "ext/psych/psych.c", "ext/psych/psych.h",
+    "ext/psych/psych_emitter.c", "ext/psych/psych_emitter.h",
+    "ext/psych/psych_parser.c", "ext/psych/psych_parser.h",
+    "ext/psych/psych_to_ruby.c", "ext/psych/psych_to_ruby.h",
+    "ext/psych/psych_yaml_tree.c", "ext/psych/psych_yaml_tree.h",
+    "lib/psych.rb", "lib/psych/class_loader.rb", "lib/psych/coder.rb",
+    "lib/psych/core_ext.rb", "lib/psych/exception.rb", "lib/psych/handler.rb",
+    "lib/psych/handlers/document_stream.rb", "lib/psych/handlers/recorder.rb",
+    "lib/psych/json/ruby_events.rb", "lib/psych/json/stream.rb",
+    "lib/psych/json/tree_builder.rb", "lib/psych/json/yaml_events.rb",
+    "lib/psych/nodes.rb", "lib/psych/nodes/alias.rb",
+    "lib/psych/nodes/document.rb", "lib/psych/nodes/mapping.rb",
+    "lib/psych/nodes/node.rb", "lib/psych/nodes/scalar.rb",
+    "lib/psych/nodes/sequence.rb", "lib/psych/nodes/stream.rb",
+    "lib/psych/omap.rb", "lib/psych/parser.rb", "lib/psych/scalar_scanner.rb",
+    "lib/psych/set.rb", "lib/psych/stream.rb", "lib/psych/streaming.rb",
+    "lib/psych/syntax_error.rb", "lib/psych/tree_builder.rb",
+    "lib/psych/versions.rb", "lib/psych/visitors.rb",
+    "lib/psych/visitors/depth_first.rb", "lib/psych/visitors/emitter.rb",
+    "lib/psych/visitors/json_tree.rb", "lib/psych/visitors/to_ruby.rb",
+    "lib/psych/visitors/visitor.rb", "lib/psych/visitors/yaml_tree.rb",
+    "lib/psych/y.rb"
+  ]
+
+  s.rdoc_options = ["--main", "README.md"]
+  s.extra_rdoc_files = ["README.md"]
+
+  s.required_ruby_version = Gem::Requirement.new(">= 2.5.0")
+  s.required_rubygems_version = Gem::Requirement.new(">= 0")
+
+  if RUBY_ENGINE == 'jruby'
+    s.platform = 'java'
+    s.files.concat [
+      "ext/java/org/jruby/ext/psych/PsychEmitter.java",
+      "ext/java/org/jruby/ext/psych/PsychLibrary.java",
+      "ext/java/org/jruby/ext/psych/PsychParser.java",
+      "ext/java/org/jruby/ext/psych/PsychToRuby.java",
+      "lib/psych_jars.rb",
+      "lib/psych.jar"
+    ]
+    s.requirements = "jar org.snakeyaml:snakeyaml-engine, #{version_module::Psych::DEFAULT_SNAKEYAML_VERSION}"
+    s.add_dependency 'jar-dependencies', '>= 0.1.7'
+  else
+    s.extensions = ["ext/psych/extconf.rb"]
+    s.add_dependency 'stringio'
+  end
+
+  s.add_dependency 'date'
+
+  s.metadata['msys2_mingw_dependencies'] = 'libyaml'
+  s.metadata['changelog_uri'] = s.homepage + '/releases'
+end