Fix loading command Base class and require IRB 1.12 to make sure it…

… is available

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Irbtools Changelog
 
+## 4.0.9 (unreleased)
+
+* Fix loading command `Base` class and require IRB 1.12 to make sure it is available
+
 ## 4.0.8
 
 * Require IRB 1.11

README.md

@@ -2,7 +2,7 @@
 
 ## Irbtools 4 for Current IRB
 
-The current version of Irbtools requires [IRB 1.11+](https://github.com/ruby/irb) ([which Ruby version bundles which IRB?](https://stdgems.org/irb/)). Please use Irbtools 3 for earlier versions of IRB.
+The current version of Irbtools requires [IRB 1.12+](https://github.com/ruby/irb) ([which Ruby version bundles which IRB?](https://stdgems.org/irb/)). Please use Irbtools 3 for earlier versions of IRB.
 
 ## Description
 

irbtools.gemspec

@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
   # Dependencies
 
   # Core Functionality
-  s.add_dependency %q<irb>,           ">= 1.11", "< 1.13"
+  s.add_dependency %q<irb>,           "~> 1.12.0"
   s.add_dependency %q<every_day_irb>, "~> 2.2"
   s.add_dependency %q<fancy_irb>,     "~> 2.1"
   s.add_dependency %q<wirb>,          "~> 2.0", ">= 2.2.1"

lib/irbtools/commands/code.rb

@@ -1,4 +1,4 @@
-require "irb"
+require "irb/command/base"
 
 module IRB
   module Command

lib/irbtools/commands/howtocall.rb

@@ -1,4 +1,4 @@
-require "irb"
+require "irb/command/base"
 
 module IRB
   module Command

lib/irbtools/commands/look.rb

@@ -1,4 +1,4 @@
-require "irb"
+require "irb/command/base"
 
 module IRB
   module Command

lib/irbtools/commands/shadow.rb

@@ -1,4 +1,4 @@
-require "irb"
+require "irb/command/base"
 
 module IRB
   module Command

lib/irbtools/commands/sys.rb

@@ -1,4 +1,4 @@
-require "irb"
+require "irb/command/base"
 
 module IRB
   module Command