Merge RubyGems-3.3.16 and Bundler-2.3.16

21 files changed, 435 insertions, 216 deletions

diff --git a/test/rubygems/data/excon-0.7.7.gemspec.rz b/test/rubygems/data/excon-0.7.7.gemspec.rz
new file mode 100644
index 0000000000..159bd4bb1c
--- /dev/null
+++ b/test/rubygems/data/excon-0.7.7.gemspec.rz
diff --git a/test/rubygems/data/null-type.gemspec.rz b/test/rubygems/data/pry-0.4.7.gemspec.rz
index 58fc1ed8a0..58fc1ed8a0 100644
--- a/test/rubygems/data/null-type.gemspec.rz
+++ b/test/rubygems/data/pry-0.4.7.gemspec.rz
diff --git a/test/rubygems/helper.rb b/test/rubygems/helper.rb
index a0b2c98505..75eed7be6b 100644
--- a/test/rubygems/helper.rb
+++ b/test/rubygems/helper.rb
@@ -618,7 +618,7 @@ class Gem::TestCase < Test::Unit::TestCase
       gem = File.join(@tempdir, File.basename(gem)).tap(&Gem::UNTAINT)
     end
 
-    Gem::Installer.at(gem, options.merge({:wrappers => true})).install
+    Gem::Installer.at(gem, options.merge({ :wrappers => true })).install
   end
 
   ##
@@ -1191,7 +1191,7 @@ Also, a list:
   # Is this test being run on a ruby/ruby repository?
   #
 
-  def testing_ruby_repo?
+  def ruby_repo?
     !ENV["GEM_COMMAND"].nil?
   end
 
diff --git a/test/rubygems/test_gem.rb b/test/rubygems/test_gem.rb
index 53fb058e99..4d9644d5c9 100644
--- a/test/rubygems/test_gem.rb
+++ b/test/rubygems/test_gem.rb
@@ -1430,7 +1430,7 @@ class TestGem < Gem::TestCase
     a = util_spec "a", "1"
     b = util_spec "b", "1", "c" => nil
     c = util_spec "c", "2"
-    d = util_spec "d", "1", {'e' => '= 1'}, "lib/d#{$$}.rb"
+    d = util_spec "d", "1", { 'e' => '= 1' }, "lib/d#{$$}.rb"
     e = util_spec "e", "1"
 
     install_specs a, c, b, e, d
diff --git a/test/rubygems/test_gem_commands_sources_command.rb b/test/rubygems/test_gem_commands_sources_command.rb
index 7bca0f3803..6a5d8b06f5 100644
--- a/test/rubygems/test_gem_commands_sources_command.rb
+++ b/test/rubygems/test_gem_commands_sources_command.rb
@@ -202,6 +202,56 @@ Error fetching http://beta-gems.example.com:
     assert_equal '', @ui.error
   end
 
+  def test_execute_add_existent_source_invalid_uri
+    spec_fetcher
+
+    uri = "https://u:p@example.com/specs.#{@marshal_version}.gz"
+
+    @cmd.handle_options %w[--add https://u:p@example.com]
+    @fetcher.data[uri] = proc do
+      raise Gem::RemoteFetcher::FetchError.new('it died', uri)
+    end
+
+    use_ui @ui do
+      assert_raise Gem::MockGemUi::TermError do
+        @cmd.execute
+      end
+    end
+
+    expected = <<-EOF
+Error fetching https://u:REDACTED@example.com:
+\tit died (https://u:REDACTED@example.com/specs.#{@marshal_version}.gz)
+    EOF
+
+    assert_equal expected, @ui.output
+    assert_equal '', @ui.error
+  end
+
+  def test_execute_add_existent_source_invalid_uri_with_error_by_chance_including_the_uri_password
+    spec_fetcher
+
+    uri = "https://u:secret@example.com/specs.#{@marshal_version}.gz"
+
+    @cmd.handle_options %w[--add https://u:secret@example.com]
+    @fetcher.data[uri] = proc do
+      raise Gem::RemoteFetcher::FetchError.new('it secretly died', uri)
+    end
+
+    use_ui @ui do
+      assert_raise Gem::MockGemUi::TermError do
+        @cmd.execute
+      end
+    end
+
+    expected = <<-EOF
+Error fetching https://u:REDACTED@example.com:
+\tit secretly died (https://u:REDACTED@example.com/specs.#{@marshal_version}.gz)
+    EOF
+
+    assert_equal expected, @ui.output
+    assert_equal '', @ui.error
+  end
+
   def test_execute_add_redundant_source
     spec_fetcher
 
diff --git a/test/rubygems/test_gem_config_file.rb b/test/rubygems/test_gem_config_file.rb
index 32375e6936..3e09079df8 100644
--- a/test/rubygems/test_gem_config_file.rb
+++ b/test/rubygems/test_gem_config_file.rb
@@ -190,7 +190,7 @@ class TestGemConfigFile < Gem::TestCase
 
     util_config_file
 
-    assert_equal({:rubygems => '701229f217cdf23b1344c7b4b54ca97'},
+    assert_equal({ :rubygems => '701229f217cdf23b1344c7b4b54ca97' },
                  @cfg.api_keys)
   end
 
@@ -317,8 +317,8 @@ if you believe they were disclosed to a third party.
 
     util_config_file
 
-    assert_equal({:rubygems => '701229f217cdf23b1344c7b4b54ca97',
-                  :other => 'a5fdbb6ba150cbb83aad2bb2fede64c'}, @cfg.api_keys)
+    assert_equal({ :rubygems => '701229f217cdf23b1344c7b4b54ca97',
+                  :other => 'a5fdbb6ba150cbb83aad2bb2fede64c' }, @cfg.api_keys)
   end
 
   def test_load_api_keys_bad_permission
diff --git a/test/rubygems/test_gem_ext_cargo_builder.rb b/test/rubygems/test_gem_ext_cargo_builder.rb
index 559a31f5ad..2da98c03e2 100644
--- a/test/rubygems/test_gem_ext_cargo_builder.rb
+++ b/test/rubygems/test_gem_ext_cargo_builder.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative 'helper'
 require 'rubygems/ext'
 
@@ -7,12 +8,9 @@ class TestGemExtCargoBuilder < Gem::TestCase
     super
 
     @rust_envs = {
-      'CARGO_HOME' => File.join(@orig_env['HOME'], '.cargo'),
-      'RUSTUP_HOME' => File.join(@orig_env['HOME'], '.rustup'),
+      'CARGO_HOME' => ENV.fetch('CARGO_HOME', File.join(@orig_env['HOME'], '.cargo')),
+      'RUSTUP_HOME' => ENV.fetch('RUSTUP_HOME', File.join(@orig_env['HOME'], '.rustup')),
     }
-
-    system(@rust_envs, 'cargo', '-V', out: IO::NULL, err: [:child, :out])
-    pend 'cargo not present' unless $?.success?
   end
 
   def setup_rust_gem(name)
@@ -57,15 +55,35 @@ class TestGemExtCargoBuilder < Gem::TestCase
     end
 
     output = output.join "\n"
-
     bundle = File.join(@dest_path, "release/rust_ruby_example.#{RbConfig::CONFIG['DLEXT']}")
 
-    require(bundle)
+    assert_match "Finished release [optimized] target(s)", output
+    assert_ffi_handle bundle, 'Init_rust_ruby_example'
+  rescue Exception => e
+    pp output if output
+
+    raise(e)
+  end
 
-    assert_match RustRubyExample.reverse('hello'), 'olleh'
+  def test_build_dev_profile
+    skip_unsupported_platforms!
+    setup_rust_gem "rust_ruby_example"
 
-    assert_match "Compiling rust_ruby_example v0.1.0", output
-    assert_match "Finished release [optimized] target(s)", output
+    output = []
+
+    Dir.chdir @ext do
+      ENV.update(@rust_envs)
+      spec = Gem::Specification.new 'rust_ruby_example', '0.1.0'
+      builder = Gem::Ext::CargoBuilder.new(spec)
+      builder.profile = :dev
+      builder.build nil, @dest_path, output
+    end
+
+    output = output.join "\n"
+    bundle = File.join(@dest_path, "debug/rust_ruby_example.#{RbConfig::CONFIG['DLEXT']}")
+
+    assert_match "Finished dev [unoptimized + debuginfo] target(s)", output
+    assert_ffi_handle bundle, 'Init_rust_ruby_example'
   rescue Exception => e
     pp output if output
 
@@ -98,21 +116,23 @@ class TestGemExtCargoBuilder < Gem::TestCase
     skip_unsupported_platforms!
     setup_rust_gem "rust_ruby_example"
 
+    require 'open3'
+
     Dir.chdir @ext do
       require 'tmpdir'
 
-      gem = [@rust_envs, *ruby_with_rubygems_in_load_path, File.expand_path('../../bin/gem', __dir__)]
+      env_for_subprocess = @rust_envs.merge("GEM_HOME" => Gem.paths.home)
+      gem = [env_for_subprocess, *ruby_with_rubygems_in_load_path, File.expand_path('../../bin/gem', __dir__)]
 
       Dir.mktmpdir("rust_ruby_example") do |dir|
         built_gem = File.expand_path(File.join(dir, "rust_ruby_example.gem"))
         Open3.capture2e(*gem, "build", "rust_ruby_example.gemspec", "--output", built_gem)
         Open3.capture2e(*gem, "install", "--verbose", "--local", built_gem, *ARGV)
-      end
 
-      stdout_and_stderr_str, status = Open3.capture2e(@rust_envs, *ruby_with_rubygems_in_load_path, "-rrust_ruby_example", "-e", "puts 'Result: ' + RustRubyExample.reverse('hello world')")
-
-      assert status.success?, stdout_and_stderr_str
-      assert_match "Result: #{"hello world".reverse}", stdout_and_stderr_str
+        stdout_and_stderr_str, status = Open3.capture2e(env_for_subprocess, *ruby_with_rubygems_in_load_path, "-rrust_ruby_example", "-e", "puts 'Result: ' + RustRubyExample.reverse('hello world')")
+        assert status.success?, stdout_and_stderr_str
+        assert_match "Result: #{"hello world".reverse}", stdout_and_stderr_str
+      end
     end
   end
 
@@ -123,7 +143,8 @@ class TestGemExtCargoBuilder < Gem::TestCase
     Dir.chdir @ext do
       require 'tmpdir'
 
-      gem = [@rust_envs, *ruby_with_rubygems_in_load_path, File.expand_path('../../bin/gem', __dir__)]
+      env_for_subprocess = @rust_envs.merge("GEM_HOME" => Gem.paths.home)
+      gem = [env_for_subprocess, *ruby_with_rubygems_in_load_path, File.expand_path('../../bin/gem', __dir__)]
 
       Dir.mktmpdir("custom_name") do |dir|
         built_gem = File.expand_path(File.join(dir, "custom_name.gem"))
@@ -131,17 +152,27 @@ class TestGemExtCargoBuilder < Gem::TestCase
         Open3.capture2e(*gem, "install", "--verbose", "--local", built_gem, *ARGV)
       end
 
-      stdout_and_stderr_str, status = Open3.capture2e(@rust_envs, *ruby_with_rubygems_in_load_path, "-rcustom_name", "-e", "puts 'Result: ' + CustomName.say_hello")
+      stdout_and_stderr_str, status = Open3.capture2e(env_for_subprocess, *ruby_with_rubygems_in_load_path, "-rcustom_name", "-e", "puts 'Result: ' + CustomName.say_hello")
 
       assert status.success?, stdout_and_stderr_str
       assert_match "Result: Hello world!", stdout_and_stderr_str
     end
   end
 
+  private
+
   def skip_unsupported_platforms!
     pend "jruby not supported" if java_platform?
     pend "truffleruby not supported (yet)" if RUBY_ENGINE == 'truffleruby'
     pend "mswin not supported (yet)" if /mswin/ =~ RUBY_PLATFORM && ENV.key?('GITHUB_ACTIONS')
-    pend "ruby.h is not provided by ruby repo" if testing_ruby_repo?
+    system(@rust_envs, 'cargo', '-V', out: IO::NULL, err: [:child, :out])
+    pend 'cargo not present' unless $?.success?
+    pend "ruby.h is not provided by ruby repo" if ruby_repo?
+  end
+
+  def assert_ffi_handle(bundle, name)
+    require 'fiddle'
+    dylib_handle = Fiddle.dlopen bundle
+    assert_nothing_raised { dylib_handle[name] }
   end
 end
diff --git a/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.lock b/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.lock
index b1b94017b5..cb1bdb3c61 100644
--- a/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.lock
+++ b/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.lock
@@ -12,6 +12,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "ansi_term"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
 name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -23,15 +32,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "autocfg"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
-
-[[package]]
 name = "bindgen"
 version = "0.59.2"
-source = "git+https://github.com/rust-lang/rust-bindgen?rev=f34e4103f304500c96d332f5cecc9067c980d0f9#f34e4103f304500c96d332f5cecc9067c980d0f9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bd2a9a458e8f4304c52c43ebb0cfbd520289f8379a52e329a38afda99bf8eb8"
 dependencies = [
  "bitflags",
  "cexpr",
@@ -57,6 +61,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
+name = "cc"
+version = "1.0.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+
+[[package]]
 name = "cexpr"
 version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -73,9 +83,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clang-sys"
-version = "1.3.1"
+version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4cc00842eed744b858222c4c9faf7243aafc6d33f92f96935263ef4d8a41ce21"
+checksum = "5a050e2153c5be08febd6734e29298e844fdb0fa21aeddd63b4eb7baa106c69b"
 dependencies = [
  "glob",
  "libc",
@@ -84,17 +94,17 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "3.1.5"
+version = "2.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ced1892c55c910c1219e98d6fc8d71f6bddba7905866ce740066d8bfea859312"
+checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
 dependencies = [
+ "ansi_term",
  "atty",
  "bitflags",
- "indexmap",
- "os_str_bytes",
  "strsim",
- "termcolor",
  "textwrap",
+ "unicode-width",
+ "vec_map",
 ]
 
 [[package]]
@@ -130,12 +140,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 
 [[package]]
-name = "hashbrown"
-version = "0.11.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
-
-[[package]]
 name = "hermit-abi"
 version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -151,16 +155,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
-name = "indexmap"
-version = "1.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "282a6247722caba404c065016bbfa522806e51714c34f5dfc3e4a3a46fcb4223"
-dependencies = [
- "autocfg",
- "hashbrown",
-]
-
-[[package]]
 name = "lazy_static"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -174,9 +168,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.119"
+version = "0.2.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bf2e165bb3457c8e098ea76f3e3bc9db55f87aa90d52d0e6be741470916aaa4"
+checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
 
 [[package]]
 name = "libloading"
@@ -189,19 +183,28 @@ dependencies = [
 ]
 
 [[package]]
+name = "linkify"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d9967eb7d0bc31c39c6f52e8fce42991c0cd1f7a2078326f0b7a399a584c8d"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
 name = "log"
-version = "0.4.14"
+version = "0.4.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
+checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
 dependencies = [
  "cfg-if",
 ]
 
 [[package]]
 name = "memchr"
-version = "2.4.1"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "minimal-lexical"
@@ -211,22 +214,12 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
 [[package]]
 name = "nom"
-version = "7.1.0"
+version = "7.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b1d11e1ef389c76fe5b81bcaf2ea32cf88b62bc494e19f493d0b30e7a930109"
+checksum = "a8903e5a29a317527874d0402f867152a3d21c908bb0b933e416c65e301d4c36"
 dependencies = [
  "memchr",
  "minimal-lexical",
- "version_check",
-]
-
-[[package]]
-name = "os_str_bytes"
-version = "6.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e22443d1643a904602595ba1cd8f7d896afe56d26712531c5ff73a15b2fbf64"
-dependencies = [
- "memchr",
 ]
 
 [[package]]
@@ -237,43 +230,47 @@ checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.24"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58893f751c9b0412871a09abd62ecd2a00298c6c83befa223ef98c52aef40cbe"
+checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.36"
+version = "1.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7342d5883fbccae1cc37a2353b09c87c9b0f3afd73f5fb9bba687a1f733b029"
+checksum = "c54b25569025b7fc9651de43004ae593a75ad88543b17178aa5e1b9c4f15f56f"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.15"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "864d3e96a899863136fc6e99f3d7cae289dafe43bf2c5ac19b70df7210c0a145"
+checksum = "a1feb54ed693b93a84e14094943b84b7c4eae204c512b7ccb95ab0c66d278ad1"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "rb-sys"
-version = "0.6.0"
-source = "git+https://github.com/ianks/rb-sys?tag=v0.6.0#1aa5b589e86a14e01aba806511818c19f85d71f6"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5465c5bd695ef70959b91b4ca9cfd515e9af012f6d9f0ae46f09fa4bcc3b722"
 dependencies = [
  "bindgen",
- "libc",
+ "cc",
+ "lazy_static",
+ "linkify",
  "pkg-config",
+ "shell-words",
 ]
 
 [[package]]
 name = "regex"
-version = "1.5.5"
+version = "1.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a11647b6b25ff05a515cb92c365cec08801e83423a235b51e231e1808747286"
+checksum = "d83f127d94bdbcda4c8cc2e50f6f84f4b611f69c902699ca385a39c3a75f9ff1"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -282,9 +279,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.25"
+version = "0.6.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
+checksum = "49b3de9ec5dc0a3417da371aab17d729997c15010e7fd24ff707773a33bddb64"
 
 [[package]]
 name = "rustc-hash"
@@ -293,6 +290,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
 [[package]]
+name = "shell-words"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24188a676b6ae68c3b2cb3a01be17fbf7240ce009799bb56d5b1409051e78fde"
+
+[[package]]
 name = "shlex"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -300,9 +303,9 @@ checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
 
 [[package]]
 name = "strsim"
-version = "0.10.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 
 [[package]]
 name = "termcolor"
@@ -315,27 +318,36 @@ dependencies = [
 
 [[package]]
 name = "textwrap"
-version = "0.15.0"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+dependencies = [
+ "unicode-width",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
+checksum = "d22af068fba1eb5edcb4aea19d382b2a3deb4c8f9d475c589b6ada9e0fd493ee"
 
 [[package]]
-name = "unicode-xid"
-version = "0.2.2"
+name = "unicode-width"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
+checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
 
 [[package]]
-name = "version_check"
-version = "0.9.4"
+name = "vec_map"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
 [[package]]
 name = "which"
-version = "4.2.4"
+version = "4.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a5a7e487e921cf220206864a94a89b6c6905bfc19f1057fa26a4cb360e5c1d2"
+checksum = "5c4fb54e6113b6a8772ee41c3404fb0301ac79604489467e0a9ce1f3e97c24ae"
 dependencies = [
  "either",
  "lazy_static",
diff --git a/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.toml b/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.toml
index e0232f729d..cbc9225140 100644
--- a/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.toml
+++ b/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.toml
@@ -6,5 +6,4 @@ version = "0.1.0"
 crate-type = ["cdylib"]
 
 [dependencies]
-# Needed until bindgen has the `allowlist_file` feature
-rb-sys = { git = "https://github.com/ianks/rb-sys", tag = "v0.6.0" }
+rb-sys = "0.9.4" 
diff --git a/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.lock b/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.lock
index accff220e5..edbeda8420 100644
--- a/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.lock
+++ b/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.lock
@@ -12,6 +12,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "ansi_term"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
 name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -23,15 +32,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "autocfg"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
-
-[[package]]
 name = "bindgen"
 version = "0.59.2"
-source = "git+https://github.com/rust-lang/rust-bindgen?rev=f34e4103f304500c96d332f5cecc9067c980d0f9#f34e4103f304500c96d332f5cecc9067c980d0f9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bd2a9a458e8f4304c52c43ebb0cfbd520289f8379a52e329a38afda99bf8eb8"
 dependencies = [
  "bitflags",
  "cexpr",
@@ -57,6 +61,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
+name = "cc"
+version = "1.0.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+
+[[package]]
 name = "cexpr"
 version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -73,9 +83,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clang-sys"
-version = "1.3.1"
+version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4cc00842eed744b858222c4c9faf7243aafc6d33f92f96935263ef4d8a41ce21"
+checksum = "5a050e2153c5be08febd6734e29298e844fdb0fa21aeddd63b4eb7baa106c69b"
 dependencies = [
  "glob",
  "libc",
@@ -84,17 +94,17 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "3.1.5"
+version = "2.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ced1892c55c910c1219e98d6fc8d71f6bddba7905866ce740066d8bfea859312"
+checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
 dependencies = [
+ "ansi_term",
  "atty",
  "bitflags",
- "indexmap",
- "os_str_bytes",
  "strsim",
- "termcolor",
  "textwrap",
+ "unicode-width",
+ "vec_map",
 ]
 
 [[package]]
@@ -123,12 +133,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 
 [[package]]
-name = "hashbrown"
-version = "0.11.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
-
-[[package]]
 name = "hermit-abi"
 version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -144,16 +148,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
-name = "indexmap"
-version = "1.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "282a6247722caba404c065016bbfa522806e51714c34f5dfc3e4a3a46fcb4223"
-dependencies = [
- "autocfg",
- "hashbrown",
-]
-
-[[package]]
 name = "lazy_static"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -167,9 +161,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.119"
+version = "0.2.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bf2e165bb3457c8e098ea76f3e3bc9db55f87aa90d52d0e6be741470916aaa4"
+checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
 
 [[package]]
 name = "libloading"
@@ -182,19 +176,28 @@ dependencies = [
 ]
 
 [[package]]
+name = "linkify"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d9967eb7d0bc31c39c6f52e8fce42991c0cd1f7a2078326f0b7a399a584c8d"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
 name = "log"
-version = "0.4.14"
+version = "0.4.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
+checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
 dependencies = [
  "cfg-if",
 ]
 
 [[package]]
 name = "memchr"
-version = "2.4.1"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "minimal-lexical"
@@ -204,22 +207,12 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
 [[package]]
 name = "nom"
-version = "7.1.0"
+version = "7.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b1d11e1ef389c76fe5b81bcaf2ea32cf88b62bc494e19f493d0b30e7a930109"
+checksum = "a8903e5a29a317527874d0402f867152a3d21c908bb0b933e416c65e301d4c36"
 dependencies = [
  "memchr",
  "minimal-lexical",
- "version_check",
-]
-
-[[package]]
-name = "os_str_bytes"
-version = "6.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e22443d1643a904602595ba1cd8f7d896afe56d26712531c5ff73a15b2fbf64"
-dependencies = [
- "memchr",
 ]
 
 [[package]]
@@ -230,43 +223,47 @@ checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.24"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58893f751c9b0412871a09abd62ecd2a00298c6c83befa223ef98c52aef40cbe"
+checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.36"
+version = "1.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7342d5883fbccae1cc37a2353b09c87c9b0f3afd73f5fb9bba687a1f733b029"
+checksum = "c54b25569025b7fc9651de43004ae593a75ad88543b17178aa5e1b9c4f15f56f"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.15"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "864d3e96a899863136fc6e99f3d7cae289dafe43bf2c5ac19b70df7210c0a145"
+checksum = "a1feb54ed693b93a84e14094943b84b7c4eae204c512b7ccb95ab0c66d278ad1"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "rb-sys"
-version = "0.6.0"
-source = "git+https://github.com/ianks/rb-sys?tag=v0.6.0#1aa5b589e86a14e01aba806511818c19f85d71f6"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5465c5bd695ef70959b91b4ca9cfd515e9af012f6d9f0ae46f09fa4bcc3b722"
 dependencies = [
  "bindgen",
- "libc",
+ "cc",
+ "lazy_static",
+ "linkify",
  "pkg-config",
+ "shell-words",
 ]
 
 [[package]]
 name = "regex"
-version = "1.5.5"
+version = "1.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a11647b6b25ff05a515cb92c365cec08801e83423a235b51e231e1808747286"
+checksum = "d83f127d94bdbcda4c8cc2e50f6f84f4b611f69c902699ca385a39c3a75f9ff1"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -275,9 +272,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.25"
+version = "0.6.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
+checksum = "49b3de9ec5dc0a3417da371aab17d729997c15010e7fd24ff707773a33bddb64"
 
 [[package]]
 name = "rust_ruby_example"
@@ -293,6 +290,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
 [[package]]
+name = "shell-words"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24188a676b6ae68c3b2cb3a01be17fbf7240ce009799bb56d5b1409051e78fde"
+
+[[package]]
 name = "shlex"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -300,9 +303,9 @@ checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
 
 [[package]]
 name = "strsim"
-version = "0.10.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 
 [[package]]
 name = "termcolor"
@@ -315,27 +318,36 @@ dependencies = [
 
 [[package]]
 name = "textwrap"
-version = "0.15.0"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+dependencies = [
+ "unicode-width",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
+checksum = "d22af068fba1eb5edcb4aea19d382b2a3deb4c8f9d475c589b6ada9e0fd493ee"
 
 [[package]]
-name = "unicode-xid"
-version = "0.2.2"
+name = "unicode-width"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
+checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
 
 [[package]]
-name = "version_check"
-version = "0.9.4"
+name = "vec_map"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
 [[package]]
 name = "which"
-version = "4.2.4"
+version = "4.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a5a7e487e921cf220206864a94a89b6c6905bfc19f1057fa26a4cb360e5c1d2"
+checksum = "5c4fb54e6113b6a8772ee41c3404fb0301ac79604489467e0a9ce1f3e97c24ae"
 dependencies = [
  "either",
  "lazy_static",
diff --git a/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.toml b/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.toml
index 66a98f3885..3aec0690b0 100644
--- a/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.toml
+++ b/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.toml
@@ -6,5 +6,4 @@ version = "0.1.0"
 crate-type = ["cdylib"]
 
 [dependencies]
-# Needed until bindgen has the `allowlist_file` feature
-rb-sys = { git = "https://github.com/ianks/rb-sys", tag = "v0.6.0" }
+rb-sys = "0.9.4"
diff --git a/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/build.rb b/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/build.rb
index da9e82315e..869bbb5de8 100644
--- a/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/build.rb
+++ b/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/build.rb
@@ -15,7 +15,7 @@ gemspec = File.expand_path('rust_ruby_example.gemspec', __dir__)
 
 Dir.mktmpdir("rust_ruby_example") do |dir|
   built_gem = File.expand_path(File.join(dir, "rust_ruby_example.gem"))
-  system *gem, "build", gemspec, "--output", built_gem
-  system *gem, "install", "--verbose", "--local", built_gem, *ARGV
+  system(*gem, "build", gemspec, "--output", built_gem)
+  system(*gem, "install", "--verbose", "--local", built_gem, *ARGV)
   system %q(ruby -rrust_ruby_example -e "puts 'Result: ' + RustRubyExample.reverse('hello world')")
 end
diff --git a/test/rubygems/test_gem_ext_cargo_builder_link_flag_converter.rb b/test/rubygems/test_gem_ext_cargo_builder_link_flag_converter.rb
new file mode 100644
index 0000000000..3abcb83fa9
--- /dev/null
+++ b/test/rubygems/test_gem_ext_cargo_builder_link_flag_converter.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+require_relative 'helper'
+require 'rubygems/ext'
+require 'rubygems/ext/cargo_builder/link_flag_converter'
+
+class TestGemExtCargoBuilderLinkFlagConverter < Gem::TestCase
+  CASES = {
+    test_search_path_basic:             ["-L/usr/local/lib", ["-L", "native=/usr/local/lib"]],
+    test_search_path_space:             ["-L /usr/local/lib", ["-L", "native=/usr/local/lib"]],
+    test_search_path_space_in_path:     ["-L/usr/local/my\ lib", ["-L", "native=/usr/local/my\ lib"]],
+    test_simple_lib:                    ["-lfoo", ["-l", "foo"]],
+    test_lib_with_nonascii:             ["-lws2_32", ["-l", "ws2_32"]],
+    test_simple_lib_space:              ["-l foo", ["-l", "foo"]],
+    test_verbose_lib_space:             ["--library=foo", ["-l", "foo"]],
+    test_libstatic_with_colon:          ["-l:libssp.a", ["-l", "static=ssp"]],
+    test_libstatic_with_colon_space:    ["-l :libssp.a", ["-l", "static=ssp"]],
+    test_unconventional_lib_with_colon: ["-l:ssp.a", ["-C", "link_arg=-l:ssp.a"]],
+    test_dylib_with_colon_space:        ["-l :libssp.dylib", ["-l", "dylib=ssp"]],
+    test_so_with_colon_space:           ["-l :libssp.so", ["-l", "dylib=ssp"]],
+    test_dll_with_colon_space:          ["-l :libssp.dll", ["-l", "dylib=ssp"]],
+    test_framework:                     ["-F/some/path", ["-l", "framework=/some/path"]],
+    test_framework_space:               ["-F /some/path", ["-l", "framework=/some/path"]],
+    test_non_lib_dash_l:                ["test_rubygems_20220413-976-lemgf9/prefix", ["-C", "link_arg=test_rubygems_20220413-976-lemgf9/prefix"]],
+  }.freeze
+
+  CASES.each do |test_name, (arg, expected)|
+    raise "duplicate test name" if instance_methods.include?(test_name)
+
+    define_method(test_name) do
+      assert_equal(expected, Gem::Ext::CargoBuilder::LinkFlagConverter.convert(arg))
+    end
+  end
+end
diff --git a/test/rubygems/test_gem_ext_cargo_builder_unit.rb b/test/rubygems/test_gem_ext_cargo_builder_unit.rb
new file mode 100644
index 0000000000..f6712e44a1
--- /dev/null
+++ b/test/rubygems/test_gem_ext_cargo_builder_unit.rb
@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+require_relative 'helper'
+require 'rubygems/ext'
+
+class TestGemExtCargoBuilderUnit < Gem::TestCase
+  def test_cargo_command_passes_args
+    skip_unsupported_platforms!
+    spec = Gem::Specification.new 'rust_ruby_example', '0.1.0'
+    builder = Gem::Ext::CargoBuilder.new(spec)
+    command = builder.cargo_command(Dir.pwd, @tempdir, ['--all-features'])
+
+    assert_includes command, '--all-features'
+  end
+
+  def test_cargo_command_locks_in_release_profile
+    skip_unsupported_platforms!
+    spec = Gem::Specification.new 'rust_ruby_example', '0.1.0'
+    builder = Gem::Ext::CargoBuilder.new(spec)
+    builder.profile = :release
+    command = builder.cargo_command(Dir.pwd, @tempdir)
+
+    assert_includes command, '--locked'
+  end
+
+  def test_cargo_command_does_not_lock_in_dev_profile
+    skip_unsupported_platforms!
+    spec = Gem::Specification.new 'rust_ruby_example', '0.1.0'
+    builder = Gem::Ext::CargoBuilder.new(spec)
+    builder.profile = :dev
+    command = builder.cargo_command(Dir.pwd, @tempdir)
+
+    assert_not_includes command, '--locked'
+  end
+
+  def test_cargo_command_passes_respects_cargo_env_var
+    skip_unsupported_platforms!
+    old_cargo = ENV['CARGO']
+    ENV['CARGO'] = 'mycargo'
+    spec = Gem::Specification.new 'rust_ruby_example', '0.1.0'
+    builder = Gem::Ext::CargoBuilder.new(spec)
+    command = builder.cargo_command(Dir.pwd, @tempdir)
+
+    assert_includes command, 'mycargo'
+  ensure
+    ENV['CARGO'] = old_cargo
+  end
+
+  def test_build_env_includes_rbconfig
+    skip_unsupported_platforms!
+    spec = Gem::Specification.new 'rust_ruby_example', '0.1.0'
+    builder = Gem::Ext::CargoBuilder.new(spec)
+    env = builder.build_env
+
+    assert_equal env.fetch('RBCONFIG_RUBY_SO_NAME'), RbConfig::CONFIG['RUBY_SO_NAME']
+  end
+
+  def test_cargo_command_passes_respects_cargo_build_target
+    skip_unsupported_platforms!
+    old_cargo = ENV['CARGO_BUILD_TARGET']
+    ENV['CARGO_BUILD_TARGET'] = 'x86_64-unknown-linux-gnu'
+    spec = Gem::Specification.new 'rust_ruby_example', '0.1.0'
+    builder = Gem::Ext::CargoBuilder.new(spec)
+    command = builder.cargo_command(Dir.pwd, @tempdir, ['--locked'])
+
+    assert_includes command, '--target'
+    assert_includes command, 'x86_64-unknown-linux-gnu'
+  ensure
+    ENV['CARGO_BUILD_TARGET'] = old_cargo
+  end
+
+  def skip_unsupported_platforms!
+    pend "jruby not supported" if java_platform?
+  end
+end
diff --git a/test/rubygems/test_gem_gemcutter_utilities.rb b/test/rubygems/test_gem_gemcutter_utilities.rb
index 667aba4701..9bfc22a202 100644
--- a/test/rubygems/test_gem_gemcutter_utilities.rb
+++ b/test/rubygems/test_gem_gemcutter_utilities.rb
@@ -254,7 +254,7 @@ class TestGemGemcutterUtilities < Gem::TestCase
   end
 
   def test_verify_api_key
-    keys = {:other => 'a5fdbb6ba150cbb83aad2bb2fede64cf040453903'}
+    keys = { :other => 'a5fdbb6ba150cbb83aad2bb2fede64cf040453903' }
     File.open Gem.configuration.credentials_path, 'w' do |f|
       f.write keys.to_yaml
     end
diff --git a/test/rubygems/test_gem_package.rb b/test/rubygems/test_gem_package.rb
index 9172b7eef5..34660bdccd 100644
--- a/test/rubygems/test_gem_package.rb
+++ b/test/rubygems/test_gem_package.rb
@@ -218,7 +218,7 @@ class TestGemPackage < Gem::Package::TarTestCase
     end
 
     assert_equal %w[lib/code.rb], files
-    assert_equal [{'lib/code_sym.rb' => 'code.rb'}, {'lib/code_sym2.rb' => '../lib/code.rb'}], symlinks
+    assert_equal [{ 'lib/code_sym.rb' => 'code.rb' }, { 'lib/code_sym2.rb' => '../lib/code.rb' }], symlinks
   end
 
   def test_build
diff --git a/test/rubygems/test_gem_remote_fetcher.rb b/test/rubygems/test_gem_remote_fetcher.rb
index 3ce9be7c90..fa82a117a1 100644
--- a/test/rubygems/test_gem_remote_fetcher.rb
+++ b/test/rubygems/test_gem_remote_fetcher.rb
@@ -705,7 +705,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
   def test_fetch_http_with_additional_headers
     ENV["http_proxy"] = @proxy_uri
     ENV["no_proxy"] = URI::parse(@server_uri).host
-    fetcher = Gem::RemoteFetcher.new nil, nil, {"X-Captain" => "murphy"}
+    fetcher = Gem::RemoteFetcher.new nil, nil, { "X-Captain" => "murphy" }
     @fetcher = fetcher
     assert_equal "murphy", fetcher.fetch_path(@server_uri)
   end
@@ -745,7 +745,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
 
   def test_fetch_s3_config_creds
     Gem.configuration[:s3_source] = {
-      'my-bucket' => {:id => 'testuser', :secret => 'testpass'},
+      'my-bucket' => { :id => 'testuser', :secret => 'testpass' },
     }
     url = 's3://my-bucket/gems/specs.4.8.gz'
     Time.stub :now, Time.at(1561353581) do
@@ -757,7 +757,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
 
   def test_fetch_s3_config_creds_with_region
     Gem.configuration[:s3_source] = {
-      'my-bucket' => {:id => 'testuser', :secret => 'testpass', :region => 'us-west-2'},
+      'my-bucket' => { :id => 'testuser', :secret => 'testpass', :region => 'us-west-2' },
     }
     url = 's3://my-bucket/gems/specs.4.8.gz'
     Time.stub :now, Time.at(1561353581) do
@@ -769,7 +769,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
 
   def test_fetch_s3_config_creds_with_token
     Gem.configuration[:s3_source] = {
-      'my-bucket' => {:id => 'testuser', :secret => 'testpass', :security_token => 'testtoken'},
+      'my-bucket' => { :id => 'testuser', :secret => 'testpass', :security_token => 'testtoken' },
     }
     url = 's3://my-bucket/gems/specs.4.8.gz'
     Time.stub :now, Time.at(1561353581) do
@@ -784,7 +784,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
     ENV['AWS_SECRET_ACCESS_KEY'] = 'testpass'
     ENV['AWS_SESSION_TOKEN'] = nil
     Gem.configuration[:s3_source] = {
-      'my-bucket' => {:provider => 'env'},
+      'my-bucket' => { :provider => 'env' },
     }
     url = 's3://my-bucket/gems/specs.4.8.gz'
     Time.stub :now, Time.at(1561353581) do
@@ -800,7 +800,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
     ENV['AWS_SECRET_ACCESS_KEY'] = 'testpass'
     ENV['AWS_SESSION_TOKEN'] = nil
     Gem.configuration[:s3_source] = {
-      'my-bucket' => {:provider => 'env', :region => 'us-west-2'},
+      'my-bucket' => { :provider => 'env', :region => 'us-west-2' },
     }
     url = 's3://my-bucket/gems/specs.4.8.gz'
     Time.stub :now, Time.at(1561353581) do
@@ -816,7 +816,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
     ENV['AWS_SECRET_ACCESS_KEY'] = 'testpass'
     ENV['AWS_SESSION_TOKEN'] = 'testtoken'
     Gem.configuration[:s3_source] = {
-      'my-bucket' => {:provider => 'env'},
+      'my-bucket' => { :provider => 'env' },
     }
     url = 's3://my-bucket/gems/specs.4.8.gz'
     Time.stub :now, Time.at(1561353581) do
@@ -836,7 +836,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
 
   def test_fetch_s3_instance_profile_creds
     Gem.configuration[:s3_source] = {
-      'my-bucket' => {:provider => 'instance_profile'},
+      'my-bucket' => { :provider => 'instance_profile' },
     }
 
     url = 's3://my-bucket/gems/specs.4.8.gz'
@@ -850,7 +850,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
 
   def test_fetch_s3_instance_profile_creds_with_region
     Gem.configuration[:s3_source] = {
-      'my-bucket' => {:provider => 'instance_profile', :region => 'us-west-2'},
+      'my-bucket' => { :provider => 'instance_profile', :region => 'us-west-2' },
     }
 
     url = 's3://my-bucket/gems/specs.4.8.gz'
@@ -864,7 +864,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
 
   def test_fetch_s3_instance_profile_creds_with_token
     Gem.configuration[:s3_source] = {
-      'my-bucket' => {:provider => 'instance_profile'},
+      'my-bucket' => { :provider => 'instance_profile' },
     }
 
     url = 's3://my-bucket/gems/specs.4.8.gz'
@@ -894,7 +894,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
 
   def test_fetch_s3_no_host
     Gem.configuration[:s3_source] = {
-      'my-bucket' => {:id => 'testuser', :secret => 'testpass'},
+      'my-bucket' => { :id => 'testuser', :secret => 'testpass' },
     }
 
     url = 's3://other-bucket/gems/specs.4.8.gz'
@@ -904,7 +904,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
   end
 
   def test_fetch_s3_no_id
-    Gem.configuration[:s3_source] = { 'my-bucket' => {:secret => 'testpass'} }
+    Gem.configuration[:s3_source] = { 'my-bucket' => { :secret => 'testpass' } }
 
     url = 's3://my-bucket/gems/specs.4.8.gz'
     refute_fetch_s3 url, 's3_source for my-bucket missing id or secret'
@@ -913,7 +913,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
   end
 
   def test_fetch_s3_no_secret
-    Gem.configuration[:s3_source] = { 'my-bucket' => {:id => 'testuser'} }
+    Gem.configuration[:s3_source] = { 'my-bucket' => { :id => 'testuser' } }
 
     url = 's3://my-bucket/gems/specs.4.8.gz'
     refute_fetch_s3 url, 's3_source for my-bucket missing id or secret'
@@ -973,7 +973,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
   def test_ssl_client_cert_auth_connection
     ssl_server = start_ssl_server({
       :SSLVerifyClient =>
-        OpenSSL::SSL::VERIFY_PEER | OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT})
+        OpenSSL::SSL::VERIFY_PEER | OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT })
 
     temp_ca_cert = File.join(__dir__, 'ca_cert.pem')
     temp_client_cert = File.join(__dir__, 'client.pem')
@@ -988,7 +988,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
   def test_do_not_allow_invalid_client_cert_auth_connection
     ssl_server = start_ssl_server({
       :SSLVerifyClient =>
-        OpenSSL::SSL::VERIFY_PEER | OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT})
+        OpenSSL::SSL::VERIFY_PEER | OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT })
 
     temp_ca_cert = File.join(__dir__, 'ca_cert.pem')
     temp_client_cert = File.join(__dir__, 'invalid_client.pem')
diff --git a/test/rubygems/test_gem_resolver.rb b/test/rubygems/test_gem_resolver.rb
index ea9f9049ce..ab0cdaddb9 100644
--- a/test/rubygems/test_gem_resolver.rb
+++ b/test/rubygems/test_gem_resolver.rb
@@ -191,7 +191,7 @@ class TestGemResolver < Gem::TestCase
 
     # With the following gems already installed:
     # a-1, b-1, c-1, e-1
-    res.skip_gems = {'a' => [a1_spec], 'b' => [b1_spec], 'c' => [c1_spec], 'e' => [e1_spec]}
+    res.skip_gems = { 'a' => [a1_spec], 'b' => [b1_spec], 'c' => [c1_spec], 'e' => [e1_spec] }
 
     # Make sure the following gems end up getting used/installed/upgraded:
     # a-2 (upgraded)
diff --git a/test/rubygems/test_gem_specification.rb b/test/rubygems/test_gem_specification.rb
index ccb81caf37..3f88fd1910 100644
--- a/test/rubygems/test_gem_specification.rb
+++ b/test/rubygems/test_gem_specification.rb
@@ -158,7 +158,7 @@ end
         util_spec "pkg#{pkgi}", pkg_version.to_s, deps
       end
     end
-    base = util_spec "pkg_base", "1", {"pkg0" => ">= 0"}
+    base = util_spec "pkg_base", "1", { "pkg0" => ">= 0" }
 
     Gem::Specification.reset
     install_specs(*packages.flatten.reverse)
@@ -305,10 +305,10 @@ end
 
   def test_require_should_not_conflict
     base = util_spec "0", "1", "A" => ">= 1"
-    a1 = util_spec "A", "1", {"c" => ">= 2", "b" => "> 0"}, "lib/a.rb"
-    a2 = util_spec "A", "2", {"c" => ">= 2", "b" => "> 0"}, "lib/a.rb"
-    b1 = util_spec "b", "1", {"c" => "= 1"}, "lib/d#{$$}.rb"
-    b2 = util_spec "b", "2", {"c" => "= 2"}, "lib/d#{$$}.rb"
+    a1 = util_spec "A", "1", { "c" => ">= 2", "b" => "> 0" }, "lib/a.rb"
+    a2 = util_spec "A", "2", { "c" => ">= 2", "b" => "> 0" }, "lib/a.rb"
+    b1 = util_spec "b", "1", { "c" => "= 1" }, "lib/d#{$$}.rb"
+    b2 = util_spec "b", "2", { "c" => "= 2" }, "lib/d#{$$}.rb"
     c1 = util_spec "c", "1", {}, "lib/c.rb"
     c2 = util_spec "c", "2", {}, "lib/c.rb"
     c3 = util_spec "c", "3", {}, "lib/c.rb"
@@ -1068,7 +1068,15 @@ dependencies: []
   end
 
   def test_handles_private_null_type
-    path = File.expand_path 'data/null-type.gemspec.rz', __dir__
+    path = File.expand_path 'data/pry-0.4.7.gemspec.rz', __dir__
+
+    data = Marshal.load Gem::Util.inflate(Gem.read_binary(path))
+
+    assert_instance_of Gem::Specification, data
+  end
+
+  def test_handles_dependencies_with_syck_requirements_bug
+    path = File.expand_path 'data/excon-0.7.7.gemspec.rz', __dir__
 
     data = Marshal.load Gem::Util.inflate(Gem.read_binary(path))
 
diff --git a/test/rubygems/test_require.rb b/test/rubygems/test_require.rb
index 9aa057442a..3e393a4df3 100644
--- a/test/rubygems/test_require.rb
+++ b/test/rubygems/test_require.rb
@@ -63,8 +63,8 @@ class TestGemRequire < Gem::TestCase
 
   # Providing -I on the commandline should always beat gems
   def test_dash_i_beats_gems
-    a1 = util_spec "a", "1", {"b" => "= 1"}, "lib/test_gem_require_a.rb"
-    b1 = util_spec "b", "1", {"c" => "> 0"}, "lib/b/c.rb"
+    a1 = util_spec "a", "1", { "b" => "= 1" }, "lib/test_gem_require_a.rb"
+    b1 = util_spec "b", "1", { "c" => "> 0" }, "lib/b/c.rb"
     c1 = util_spec "c", "1", nil, "lib/c/c.rb"
     c2 = util_spec "c", "2", nil, "lib/c/c.rb"
 
@@ -102,8 +102,8 @@ class TestGemRequire < Gem::TestCase
 
   # Providing -I on the commandline should always beat gems
   def test_dash_i_beats_default_gems
-    a1 = new_default_spec "a", "1", {"b" => "= 1"}, "test_gem_require_a.rb"
-    b1 = new_default_spec "b", "1", {"c" => "> 0"}, "b/c.rb"
+    a1 = new_default_spec "a", "1", { "b" => "= 1" }, "test_gem_require_a.rb"
+    b1 = new_default_spec "b", "1", { "c" => "> 0" }, "b/c.rb"
     c1 = new_default_spec "c", "1", nil, "c/c.rb"
     c2 = new_default_spec "c", "2", nil, "c/c.rb"
 
@@ -169,7 +169,7 @@ class TestGemRequire < Gem::TestCase
   end
 
   def test_require_is_not_lazy_with_exact_req
-    a1 = util_spec "a", "1", {"b" => "= 1"}, "lib/test_gem_require_a.rb"
+    a1 = util_spec "a", "1", { "b" => "= 1" }, "lib/test_gem_require_a.rb"
     b1 = util_spec "b", "1", nil, "lib/b/c.rb"
     b2 = util_spec "b", "2", nil, "lib/b/c.rb"
 
@@ -184,7 +184,7 @@ class TestGemRequire < Gem::TestCase
   end
 
   def test_require_is_lazy_with_inexact_req
-    a1 = util_spec "a", "1", {"b" => ">= 1"}, "lib/test_gem_require_a.rb"
+    a1 = util_spec "a", "1", { "b" => ">= 1" }, "lib/test_gem_require_a.rb"
     b1 = util_spec "b", "1", nil, "lib/b/c.rb"
     b2 = util_spec "b", "2", nil, "lib/b/c.rb"
 
@@ -199,7 +199,7 @@ class TestGemRequire < Gem::TestCase
   end
 
   def test_require_is_not_lazy_with_one_possible
-    a1 = util_spec "a", "1", {"b" => ">= 1"}, "lib/test_gem_require_a.rb"
+    a1 = util_spec "a", "1", { "b" => ">= 1" }, "lib/test_gem_require_a.rb"
     b1 = util_spec "b", "1", nil, "lib/b/c.rb"
 
     install_specs b1, a1
@@ -243,7 +243,7 @@ class TestGemRequire < Gem::TestCase
 
     require 'benchmark' # the stdlib
 
-    a1 = util_spec "a", "1", {"b" => ">= 1"}, "lib/test_gem_require_a.rb"
+    a1 = util_spec "a", "1", { "b" => ">= 1" }, "lib/test_gem_require_a.rb"
     b1 = util_spec "b", "1", nil, "lib/benchmark.rb"
     b2 = util_spec "b", "2", nil, "lib/benchmark.rb"
 
@@ -444,7 +444,7 @@ class TestGemRequire < Gem::TestCase
   end
 
   def test_realworld_default_gem
-    omit "this test can't work under ruby-core setup" if testing_ruby_repo?
+    omit "this test can't work under ruby-core setup" if ruby_repo?
 
     cmd = <<-RUBY
       $stderr = $stdout
@@ -457,7 +457,7 @@ class TestGemRequire < Gem::TestCase
   end
 
   def test_realworld_upgraded_default_gem
-    omit "this test can't work under ruby-core setup" if testing_ruby_repo?
+    omit "this test can't work under ruby-core setup" if ruby_repo?
 
     newer_json = util_spec("json", "999.99.9", nil, ["lib/json.rb"])
     install_gem newer_json
diff --git a/test/rubygems/test_rubygems.rb b/test/rubygems/test_rubygems.rb
index cc650ff343..739a9985b0 100644
--- a/test/rubygems/test_rubygems.rb
+++ b/test/rubygems/test_rubygems.rb
@@ -2,7 +2,7 @@ require_relative 'helper'
 
 class GemTest < Gem::TestCase
   def test_rubygems_normal_behaviour
-    _ = Gem::Util.popen(*ruby_with_rubygems_in_load_path, '-e', "'require \"rubygems\"'", {:err => [:child, :out]}).strip
+    _ = Gem::Util.popen(*ruby_with_rubygems_in_load_path, '-e', "'require \"rubygems\"'", { :err => [:child, :out] }).strip
     assert $?.success?
   end
 
@@ -13,7 +13,7 @@ class GemTest < Gem::TestCase
       intentionally_not_implemented_method
     RUBY
 
-    output = Gem::Util.popen(*ruby_with_rubygems_and_fake_operating_system_in_load_path(path), '-e', "'require \"rubygems\"'", {:err => [:child, :out]}).strip
+    output = Gem::Util.popen(*ruby_with_rubygems_and_fake_operating_system_in_load_path(path), '-e', "'require \"rubygems\"'", { :err => [:child, :out] }).strip
     assert !$?.success?
     assert_includes output, "undefined local variable or method `intentionally_not_implemented_method'"
     assert_includes output, "Loading the rubygems/defaults/operating_system.rb file caused an error. " \
@@ -40,7 +40,7 @@ class GemTest < Gem::TestCase
       *ruby_with_rubygems_and_fake_operating_system_in_load_path(path),
       '-e',
       "require \"rubygems\"; puts Gem::Specification.stubs.map(&:full_name)",
-      {:err => [:child, :out]}
+      { :err => [:child, :out] }
     ).strip
     begin
       assert_empty output