Fix rubocop warnings

Author: DemetrisChr

Rakefile

@@ -27,7 +27,7 @@ end
 desc "Compile binary extension"
 task :compile do
   require 'tempfile'
-  Dir.chdir(Dir.tmpdir) do # rubocop:disable ThreadSafety/DirChdir
+  Dir.chdir(Dir.tmpdir) do
     sh "ruby '#{File.join(__dir__, 'ext', 'extconf.rb')}'"
   end
 end
@@ -52,9 +52,9 @@ end
 
 desc "Encode git revision into 'ext/extconf.rb' template (dependency of 'build' task)"
 task :render_git_revision do
-  library_revision = Dir.chdir(__dir__) { `git rev-parse HEAD`.strip } # rubocop:disable ThreadSafety/DirChdir
-  core_revision = Dir.chdir(File.join(__dir__, 'ext', 'couchbase')) { `git rev-parse HEAD`.strip } # rubocop:disable ThreadSafety/DirChdir
-  core_describe = Dir.chdir(File.join(__dir__, 'ext', 'couchbase')) do # rubocop:disable ThreadSafety/DirChdir
+  library_revision = Dir.chdir(__dir__) { `git rev-parse HEAD`.strip }
+  core_revision = Dir.chdir(File.join(__dir__, 'ext', 'couchbase')) { `git rev-parse HEAD`.strip }
+  core_describe = Dir.chdir(File.join(__dir__, 'ext', 'couchbase')) do
     `git fetch --tags >/dev/null 2>&1`
     `git describe --long --always HEAD`.strip
   end

bin/jenkins/repackage-extension.rb

@@ -51,7 +51,7 @@ def bundle(target_dir)
       end
 
       if first_gemspec
-        Dir.chdir(first_gemspec.full_gem_path) do # rubocop:disable ThreadSafety/DirChdir
+        Dir.chdir(first_gemspec.full_gem_path) do
           File.write("lib/couchbase/libcouchbase.rb", <<-RUBY)
         begin
           require_relative "\#{RUBY_VERSION[/(\\d+\\.\\d+)/]}/libcouchbase"
@@ -101,7 +101,7 @@ def repackage(gemspec)
       # build new gem
       output_gem = nil
 
-      Dir.chdir gemspec.full_gem_path do # rubocop:disable ThreadSafety/DirChdir
+      Dir.chdir gemspec.full_gem_path do
         output_gem = Gem::Package.build(gemspec, true)
       end
 

lib/couchbase/logger.rb

@@ -46,7 +46,7 @@ def self.log_level
 
   # Return logger associated with the library
   def self.logger
-    @logger # rubocop:disable ThreadSafety/ClassInstanceVariable
+    @logger # rubocop:disable ThreadSafety/InstanceVariableInClassMethod
   end
 
   # Associate logger with the library
@@ -67,8 +67,8 @@ def self.logger
   #
   # @since 3.4.0
   def self.set_logger(logger, adapter_class: nil, verbose: false, level: :info)
-    @logger = logger # rubocop:disable ThreadSafety/ClassInstanceVariable
-    if @logger.nil? # rubocop:disable ThreadSafety/ClassInstanceVariable
+    @logger = logger # rubocop:disable ThreadSafety/InstanceVariableInClassMethod
+    if @logger.nil? # rubocop:disable ThreadSafety/InstanceVariableInClassMethod
       Backend.install_logger_shim(nil)
       return
     end