def remove_old_bin_files(bin_dir)
old_bin_files = {
'gem_mirror' => 'gem mirror',
'gem_server' => 'gem server',
'gemlock' => 'gem lock',
'gemri' => 'ri',
'gemwhich' => 'gem which',
'index_gem_repository.rb' => 'gem generate_index',
}
old_bin_files.each do |old_bin_file, new_name|
old_bin_path = File.join bin_dir, old_bin_file
next unless File.exist? old_bin_path
deprecation_message = "`#{old_bin_file}` has been deprecated. Use `#{new_name}` instead."
File.open old_bin_path, 'w' do |fp|
fp.write "#!\#{Gem.ruby}\n\nabort \"\#{deprecation_message}\"\n"
end
next unless Gem.win_platform?
File.open "#{old_bin_path}.bat", 'w' do |fp|
fp.puts %{@ECHO.#{deprecation_message}}
end
end
end