[rubygems/rubygems] util/rubocop -A --only Style/OrAssignment

https://github.com/rubygems/rubygems/commit/965fc82cfd

lib/rubygems/commands/update_command.rb

@@ -37,7 +37,7 @@ class Gem::Commands::UpdateCommand < Gem::Command
 
     add_option("--system [VERSION]", Gem::Version,
                "Update the RubyGems system software") do |value, options|
-      value = true unless value
+      value ||= true
 
       options[:system] = value
     end

lib/rubygems/ext/builder.rb

@@ -25,9 +25,7 @@ class Gem::Ext::Builder
     # try to find make program from Ruby configure arguments first
     RbConfig::CONFIG["configure_args"] =~ /with-make-prog\=(\w+)/
     make_program_name = ENV["MAKE"] || ENV["make"] || $1
-    unless make_program_name
-      make_program_name = RUBY_PLATFORM.include?("mswin") ? "nmake" : "make"
-    end
+    make_program_name ||= RUBY_PLATFORM.include?("mswin") ? "nmake" : "make"
     make_program = Shellwords.split(make_program_name)
 
     # The installation of the bundled gems is failed when DESTDIR is empty in mswin platform.

lib/rubygems/install_update_options.rb

@@ -136,9 +136,9 @@ module Gem::InstallUpdateOptions
     add_option(:"Install/Update", "-g", "--file [FILE]",
                "Read from a gem dependencies API file and",
                "install the listed gems") do |v,_o|
-      v = Gem::GEM_DEP_FILES.find do |file|
+      v ||= Gem::GEM_DEP_FILES.find do |file|
         File.exist? file
-      end unless v
+      end
 
       unless v
         message = v ? v : "(tried #{Gem::GEM_DEP_FILES.join ", "})"