Undo Syck overriding the YAML constant

8 years ago · f0a854b390
parent fecc4f2798
commit f0a854b390
1 changed files with 8 additions and 0 deletions
--- a/db/migrate/migration_utils/legacy_yamler.rb
+++ b/db/migrate/migration_utils/legacy_yamler.rb
@ -70,6 +70,14 @@ module Migration

    def load_syck
      require 'syck'
+
+      # WARNING: Syck redefines the YAML constant
+      # https://github.com/ruby/syck/commit/9d0c50ca87097b12ce17323c3a4fd1d4066298fc
+      Object.class_eval <<-EORB, __FILE__, __LINE__ + 1
+        remove_const 'YAML' if defined? YAML
+        YAML = ::Psych
+      EORB
+
      ::Syck
    rescue LoadError => e