diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/time/marshal_with_utc_flag.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/time/marshal_with_utc_flag.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/time/marshal_with_utc_flag.rb b/activesupport/lib/active_support/core_ext/time/marshal_with_utc_flag.rb new file mode 100644 index 0000000000..a1c8ece1d7 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/time/marshal_with_utc_flag.rb @@ -0,0 +1,22 @@ +# Pre-1.9 versions of Ruby have a bug with marshaling Time instances, where utc instances are +# unmarshaled in the local zone, instead of utc. We're layering behavior on the _dump and _load +# methods so that utc instances can be flagged on dump, and coerced back to utc on load. +if RUBY_VERSION < '1.9' + class Time + class << self + alias_method :_original_load, :_load + def _load(marshaled_time) + time = _original_load(marshaled_time) + utc = time.instance_variable_get('@marshal_with_utc_coercion') + utc ? time.utc : time + end + end + + alias_method :_original_dump, :_dump + def _dump(*args) + obj = frozen? ? dup : self + obj.instance_variable_set('@marshal_with_utc_coercion', utc?) + obj._original_dump(*args) + end + end +end |