Ruby

Merge blocks for the same condition

[rubygems/rubygems] Handle RubyGems installing to custom dir with non-existent parent dirs

https://github.com/rubygems/rubygems/commit/4701123601

[rubygems/rubygems] Handle Errno::EADDRNOTAVAIL gracefully

As showed by the unskiped spec, on Windows trying to use the 0.0.0.0
interface raises this error, and it's raised as a generic system error
when trying to create a bundler.lock file. Here's is a better place to...

[rubygems/rubygems] Make HTTP_ERRORS list look like FAIL_ERRORS list

https://github.com/rubygems/rubygems/commit/bfa6770e39

[rubygems/rubygems] Simplify non retriable errors list

https://github.com/rubygems/rubygems/commit/627a7615f2

[rubygems/rubygems] Move HTTP_ERRORS together with the other error constants

https://github.com/rubygems/rubygems/commit/57e8ae7aa6

[rubygems/rubygems] Deprecate unused Bundler#SpecSet methods

https://github.com/rubygems/rubygems/commit/380c95ce05

[rubygems/rubygems] Remove usage of Bundler::SpecSet#<<

https://github.com/rubygems/rubygems/commit/b556167793

[rubygems/rubygems] Fix flaky test failures in mirror probing specs

The mirror probing spec file was moved to our regular suite, which runs
in parallel, recently. These specs rely on starting and stopping actual
servers in localhost, but this does not play nice with parallelization,...

Avoid allocation for positional splat for literal array keyword argument

If all nodes in the array are safe, then it is safe to avoid
allocation for the positional splat:

m(*a, kw: [:a])   # Safe
m(*a, kw: [meth]) # Unsafe

This avoids an unnecessary allocation in a Rails method call....