[ruby/irb] Drop Ruby 2.6 support

(https://github.com/ruby/irb/pull/555)

* Remove all Ruby 2.6 support

* Drop Ruby 2.6 specific testing conditions

* Only run Ruby 2.7+ on CI

* Bump Ruby requirement to 2.7+

https://github.com/ruby/irb/commit/3f714b616c

1 files changed, 3 insertions, 4 deletions

diff --git a/lib/irb/extend-command.rb b/lib/irb/extend-command.rb
index 4018eb13a6..8e985274b1 100644
--- a/lib/irb/extend-command.rb
+++ b/lib/irb/extend-command.rb
@@ -256,13 +256,12 @@ module IRB # :nodoc:
       end
 
       if load_file
-        kwargs = ", **kwargs" if RUBY_VERSION >= "2.7.0"
         line = __LINE__; eval %[
-          def #{cmd_name}(*opts#{kwargs}, &b)
+          def #{cmd_name}(*opts, **kwargs, &b)
             Kernel.require_relative "#{load_file}"
             arity = ::IRB::ExtendCommand::#{cmd_class}.instance_method(:execute).arity
             args = (1..(arity < 0 ? ~arity : arity)).map {|i| "arg" + i.to_s }
-            args << "*opts#{kwargs}" if arity < 0
+            args << "*opts, **kwargs" if arity < 0
             args << "&block"
             args = args.join(", ")
             line = __LINE__; eval %[
@@ -273,7 +272,7 @@ module IRB # :nodoc:
                 end
               end
             ], nil, __FILE__, line
-            __send__ :#{cmd_name}_, *opts#{kwargs}, &b
+            __send__ :#{cmd_name}_, *opts, **kwargs, &b
           end
         ], nil, __FILE__, line
       else