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Fix for Rubinius

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Problem
-------

Currently, CI is failing b/c singleton_class? was added to MRI2.1 but not Rbx.
e.g. https://travis-ci.org/pry/pry/builds/32133642

However, I did not look into why it is suddenly failing now.
For quite a while, Rbx builds were erroring out (e.g.  https://travis-ci.org/pry/pry/jobs/30421343)
They are no longer failing, but are now erroring, for the above reason.

Context
-------

Rbx has recently (11 days ago, 30 July 2014) received this method
2e71722dba

But the functionality has been available since April 2011
4310f6b2ef

Solution
--------

Fix the failures by falling back to the older functionality if we are on Rubinius,
and the new method is unavailable.
This commit is contained in:
Josh Cheek 2014-08-10 03:06:04 -06:00
parent c6f8d5c632
commit d141301956
1 changed files with 4 additions and 0 deletions
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4
lib/pry/wrapped_module.rb
View file

@ -107,6 +107,10 @@ class Pry
def singleton_class?
if Pry::Method.safe_send(wrapped, :respond_to?, :singleton_class?)
Pry::Method.safe_send(wrapped, :singleton_class?)
elsif defined?(Rubinius)
# https://github.com/rubinius/rubinius/commit/2e71722dba53d1a92c54d5e3968d64d1042486fe singleton_class? added 30 Jul 2014
# https://github.com/rubinius/rubinius/commit/4310f6b2ef3c8fc88135affe697db4e29e4621c4 has been around since 2011
!!Rubinius::Type.singleton_class_object(wrapped)
else
wrapped != Pry::Method.safe_send(wrapped, :ancestors).first
end