Drop support for Rubies that reached their End of Life (#380)

.github/workflows/ubuntu.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: [2.4.9, 2.5.7, 2.6.5, 2.7.0]
+        ruby: [2.7.0]
 
     env:
       BUNDLE_PATH: .bundle

.rubocop.yml

@@ -3,7 +3,7 @@ AllCops:
   DisplayCopNames: true
   DisplayStyleGuide: true
 
-  TargetRubyVersion: 2.4
+  TargetRubyVersion: 2.7
 
 # Department 'Bundler' (4):
 Bundler/DuplicatedGem:

CHANGELOG.md

@@ -6,6 +6,10 @@
 
 * Support for pry 0.14.0 (#346).
 
+### Removed
+
+* Support for Ruby 2.4, 2.5, and 2.6. Pry-byebug no longer installs on these platforms (#380).
+
 ## 3.9.0 (2020-03-21)
 
 ### Fixed

lib/byebug/processors/pry_processor.rb

@@ -72,14 +72,6 @@ def at_return(_return_value)
       resume_pry
     end
 
-    #
-    # Called when the debugger wants to stop right before the end of a class
-    # definition
-    #
-    def at_end
-      resume_pry
-    end
-
     #
     # Called when a breakpoint is hit. Note that `at_line`` is called
     # inmediately after with the context's `stop_reason == :breakpoint`, so we

pry-byebug.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |gem|
   gem.executables = []
 
   # Dependencies
-  gem.required_ruby_version = ">= 2.4.0"
+  gem.required_ruby_version = ">= 2.7.0"
 
   gem.add_runtime_dependency "byebug", "~> 11.0"
   gem.add_runtime_dependency "pry", ">= 0.13", "< 0.15"

test/commands/breakpoints_test.rb

@@ -70,7 +70,7 @@ def setup
 
     @input.add("break Break1Example#a")
     redirect_pry_io(@input, @output) { load test_file("break1") }
-    @line = RUBY_VERSION >= "2.5.0" ? 8 : 7
+    @line = 8
     @regexp = /  Breakpoint (?<id>\d+): Break1Example#a \(Enabled\)/
   end
 
@@ -86,7 +86,7 @@ def setup
 
     @input.add("break Break1Example#c!")
     redirect_pry_io(@input, @output) { load test_file("break1") }
-    @line = RUBY_VERSION >= "2.5.0" ? 18 : 17
+    @line = 18
     @regexp = /  Breakpoint (?<id>\d+): Break1Example#c! \(Enabled\)/
   end