Replace deprecated File.exists with File.exist (#14)

Author: pkuczynski

.github/workflows/tests.yaml

@@ -24,20 +24,23 @@ jobs:
           - 2.7
           - '3.0'
           - 3.1
+          - 3.2
           - jruby
           - truffleruby
         os:
           - macos
           - ubuntu
           - windows
         exclude:
-          - ruby: 2.2 # Fails on setup: https://github.com/rvm/gem-empty/actions/runs/5094962600/jobs/9159397472
+          - ruby: 2.2 # Fails on setup
             os: ubuntu
-          - ruby: 2.7 # Fails only on macos: https://github.com/rvm/gem-empty/actions/runs/5094962600/jobs/9159397472
+          - ruby: 2.7 # Fails only on macos
             os: macos
-          - ruby: 3.0 # Fails only on macos: https://github.com/rvm/gem-empty/actions/runs/5094962600/jobs/9159398902
+          - ruby: 3.0 # Fails only on macos
             os: macos
-          - ruby: 3.1 # Fails only on macos: https://github.com/rvm/gem-empty/actions/runs/5094962600/jobs/9159399155
+          - ruby: 3.1 # Fails only on macos
+            os: macos
+          - ruby: 3.2 # Fails only on macos
             os: macos
           - ruby: jruby
             os: macos

lib/gem-empty/command.rb

@@ -65,14 +65,14 @@ def remove_rubygems_gems
   end
 
   def remove_bundler_gems
-    FileUtils.rm_rf( File.join( gem_install_dir, 'bundler','gems' ) )
+    FileUtils.rm_rf(File.join(gem_install_dir, 'bundler', 'gems'))
   end
 
   def gem_dir_specs
     @gem_dir_specs ||=
-    GemEmpty::Specification.installed_gems.select do |spec|
-      File.exists?( File.join( gem_install_dir, 'gems', spec.full_name ) )
-    end
+      GemEmpty::Specification.installed_gems.select do |spec|
+        File.exist?(File.join(gem_install_dir, 'gems', spec.full_name))
+      end
   end
 
   def gem_install_dir

test/gem-empty/command_test.rb

@@ -4,9 +4,11 @@
 require 'rubygems/user_interaction'
 require 'rubygems/mock_gem_ui'
 
-class Gem::Specification
-  def self.remove_spec spec
-    true # fake the removal from _all
+if RUBY_VERSION < "2.3"
+  class Gem::Specification
+    def self.remove_spec spec
+      true # fake the removal from _all
+    end
   end
 end