util/rubocop -A --only Style/TernaryParentheses

lib/rubygems/ext/builder.rb

@@ -29,7 +29,7 @@ class Gem::Ext::Builder
     make_program = Shellwords.split(make_program_name)
 
     # The installation of the bundled gems is failed when DESTDIR is empty in mswin platform.
-    destdir = (/\bnmake/i !~ make_program_name || ENV["DESTDIR"] && ENV["DESTDIR"] != "") ? "DESTDIR=%s" % ENV["DESTDIR"] : ""
+    destdir = /\bnmake/i !~ make_program_name || ENV["DESTDIR"] && ENV["DESTDIR"] != "" ? "DESTDIR=%s" % ENV["DESTDIR"] : ""
 
     env = [destdir]
 

lib/rubygems/local_remote_options.rb

@@ -89,7 +89,7 @@ module Gem::LocalRemoteOptions
 
     add_option(:"Local/Remote", "-p", "--[no-]http-proxy [URL]", URI::HTTP,
                "Use HTTP proxy for remote operations") do |value, options|
-      options[:http_proxy] = (value == false) ? :no_proxy : value
+      options[:http_proxy] = value == false ? :no_proxy : value
       Gem.configuration[:http_proxy] = options[:http_proxy]
     end
   end

lib/rubygems/request.rb

@@ -171,7 +171,7 @@ class Gem::Request
     no_env_proxy = env_proxy.nil? || env_proxy.empty?
 
     if no_env_proxy
-      return (_scheme == "https" || _scheme == "http") ?
+      return _scheme == "https" || _scheme == "http" ?
         :no_proxy : get_proxy_from_env("http")
     end
 

lib/rubygems/text.rb

@@ -66,7 +66,7 @@ module Gem::Text
     str1.each_codepoint.with_index(1) do |char1, i|
       j = 0
       while j < m
-        cost = (char1 == str2_codepoints[j]) ? 0 : 1
+        cost = char1 == str2_codepoints[j] ? 0 : 1
         x = min3(
           d[j + 1] + 1, # insertion
           i + 1,      # deletion

lib/rubygems/uri_formatter.rb

@@ -34,7 +34,7 @@ class Gem::UriFormatter
   # Normalize the URI by adding "http://" if it is missing.
 
   def normalize
-    (@uri =~ /^(https?|ftp|file):/i) ? @uri : "http://#{@uri}"
+    @uri =~ /^(https?|ftp|file):/i ? @uri : "http://#{@uri}"
   end
 
   ##

test/rubygems/test_gem_stream_ui.rb

@@ -6,7 +6,7 @@ require "timeout"
 class TestGemStreamUI < Gem::TestCase
   # increase timeout with RJIT for --jit-wait testing
   rjit_enabled = defined?(RubyVM::RJIT) && RubyVM::RJIT.enabled?
-  SHORT_TIMEOUT = (RUBY_ENGINE == "ruby" && !rjit_enabled) ? 0.1 : 1.0
+  SHORT_TIMEOUT = RUBY_ENGINE == "ruby" && !rjit_enabled ? 0.1 : 1.0
 
   module IsTty
     attr_accessor :tty