[ruby/psych] Make YAML.load_file use YAML.load instead of safe_load

YAML.load and YAML.safe_load are different a little; the former allows
Symbol by default but the latter doesn't. So YAML.load_file and
YAML.safe_load_file should reflect the difference.

Fixes #490

https://github.com/ruby/psych/commit/f8a5e512a1

1 files changed, 11 insertions, 2 deletions

diff --git a/ext/psych/lib/psych.rb b/ext/psych/lib/psych.rb
index 7c6b8d06c3..6205061d0b 100644
--- a/ext/psych/lib/psych.rb
+++ b/ext/psych/lib/psych.rb
@@ -575,7 +575,6 @@ module Psych
       self.unsafe_load f, filename: filename, **kwargs
     }
   end
-  class << self; alias :load_file :unsafe_load_file; end
 
   ###
   # Safely loads the document contained in +filename+.  Returns the yaml contained in
@@ -587,7 +586,17 @@ module Psych
       self.safe_load f, filename: filename, **kwargs
     }
   end
-  class << self; alias load_file safe_load_file end
+
+  ###
+  # Loads the document contained in +filename+.  Returns the yaml contained in
+  # +filename+ as a Ruby object, or if the file is empty, it returns
+  # the specified +fallback+ return value, which defaults to +false+.
+  # See load for options.
+  def self.load_file filename, **kwargs
+    File.open(filename, 'r:bom|utf-8') { |f|
+      self.load f, filename: filename, **kwargs
+    }
+  end
 
   # :stopdoc:
   def self.add_domain_type domain, type_tag, &block