[ruby/reline] Treat home dir correctly

https://github.com/ruby/reline/commit/9b1327d2f4

lib/reline/config.rb

@@ -91,8 +91,8 @@ class Reline::Config
     # In the XDG Specification, if ~/.config/readline/inputrc exists, then
     # ~/.inputrc should not be read, but for compatibility with GNU Readline,
     # if ~/.inputrc exists, then it is given priority.
-    path = File.expand_path('~/.inputrc')
-    return path if File.exist?(path)
+    home_rc_path = File.expand_path('~/.inputrc')
+    return home_rc_path if File.exist?(home_rc_path)
 
     case ENV['XDG_CONFIG_HOME']
     when nil, ''
@@ -102,6 +102,8 @@ class Reline::Config
       path = File.expand_path("#{ENV['XDG_CONFIG_HOME']}/readline/inputrc")
       return path if File.exist?(path)
     end
+
+    return home_rc_path
   end
 
   def read(file = nil)

test/reline/test_config.rb

@@ -227,12 +227,11 @@ class Reline::Config::Test < Reline::TestCase
   def test_xdg_config_home
     home_backup = ENV['HOME']
     xdg_config_home_backup = ENV['XDG_CONFIG_HOME']
-    nonexistence_dir = '/the_nonexistence_dir!!!!!!'
     xdg_config_home = File.expand_path("#{@tmpdir}/.config/example_dir")
     expected = File.expand_path("#{xdg_config_home}/readline/inputrc")
     FileUtils.mkdir_p(File.dirname(expected))
     FileUtils.touch(expected)
-    ENV['HOME'] = nonexistence_dir
+    ENV['HOME'] = @tmpdir
     ENV['XDG_CONFIG_HOME'] = xdg_config_home
     assert_equal expected, @config.inputrc_path
     FileUtils.rm(expected)