Ruby

Suppress verification messages

log.showSignature configuration and --no-show-signature option was
added at git 2.10.0.

Reject git command that does not accept -C option

Expect git -C <path> to work

This option is available since git 1.8.5 that was released in 2013.

Add a macro to manage the condition of no-inline version rb_current_ec

Add the macro RB_THREAD_CURRENT_EC_NOINLINE to manage the condition to use
no-inline version rb_current_ec for a better maintainability.

Note that the vm_core.h includes the THREAD_IMPL_H by the...

[ruby/json] Better handle missing ostruct

In the Ruby test suite, this test class is causing trouble because
ostruct is not available. Having an autoload for JSON::GenericObject but
causing it not to define the constant causes a warning.

See https://github.com/ruby/json/commit/0dc1cd407e77 and...

[rubygems/rubygems] Remove aggregate source mentions

It's a term from times with multiple remote sources, let's move on :)

https://github.com/rubygems/rubygems/commit/6439b8944e

[rubygems/rubygems] Completely remove multisources support

https://github.com/rubygems/rubygems/commit/8f9d6c54a1

[rubygems/rubygems] Simplify an edge case of not adding lower bound requirements

https://github.com/rubygems/rubygems/commit/1bc5e74281

[rubygems/rubygems] Multisource checks are only relevant when there's a lockfile

https://github.com/rubygems/rubygems/commit/4c110d3289