Add gitlab-housekeper CI template to run in CI

.gitlab/ci/gitlab-gems.gitlab-ci.yml

@@ -41,3 +41,6 @@ include:
   - local: .gitlab/ci/templates/gem.gitlab-ci.yml
     inputs:
       gem_name: "gitlab-database-lock_retries"
+  - local: .gitlab/ci/templates/gem.gitlab-ci.yml
+    inputs:
+      gem_name: "gitlab-housekeeper"

gems/gitlab-housekeeper/gitlab-housekeeper.gemspec

@@ -20,9 +20,9 @@ Gem::Specification.new do |spec|
   spec.executables   = ['gitlab-housekeeper']
 
   spec.add_runtime_dependency 'activesupport'
+  spec.add_runtime_dependency 'awesome_print'
   spec.add_runtime_dependency 'httparty'
   spec.add_runtime_dependency 'rubocop'
-  spec.add_runtime_dependency 'awesome_print'
 
   spec.add_development_dependency 'gitlab-styles'
   spec.add_development_dependency 'rspec-rails'

gems/gitlab-housekeeper/lib/gitlab/housekeeper/keeps/rubocop_fixer.rb

@@ -70,7 +70,7 @@ def each_allowed_rubocop_rule
           end
         end
 
-        def remove_first_exclusions(rule, file, remove_count)
+        def remove_first_exclusions(_rule, file, remove_count)
           content = File.read(file)
           skipped = 0
 

gems/gitlab-housekeeper/spec/gitlab/housekeeper/git_spec.rb

@@ -17,6 +17,7 @@ def setup_master_branch
     File.write(file_in_master, 'File already in master!')
 
     ::Gitlab::Housekeeper::Shell.execute('git', 'init')
+    ::Gitlab::Housekeeper::Shell.execute('git', 'config', '--local', 'user.email', 'test@example.com')
     ::Gitlab::Housekeeper::Shell.execute('git', 'checkout', '-b', 'master')
     ::Gitlab::Housekeeper::Shell.execute('git', 'add', file_in_master)
     ::Gitlab::Housekeeper::Shell.execute('git', 'commit', '-m', 'Initial commit!')

gems/gitlab-housekeeper/spec/gitlab/housekeeper/keeps/rubocop_fixer_spec.rb

@@ -2,26 +2,10 @@
 
 require 'spec_helper'
 
+# rubocop:disable RSpec/MultipleMemoizedHelpers
 RSpec.describe ::Gitlab::Housekeeper::Keeps::RubocopFixer do
   let(:todo_dir) { Dir.mktmpdir }
-  let(:rule1_file) { Pathname(todo_dir).join('rule1.yml').to_s }
-  let(:rule2_file) { Pathname(todo_dir).join('rule2.yml').to_s }
-  let(:not_autocorrectable_file) { Pathname(todo_dir).join('not_autocorrectable.yml').to_s }
-  let(:todo_dir_pattern) { Pathname(todo_dir).join('**/*.yml').to_s }
-
-  before do
-    dir = Pathname.new(todo_dir)
-    FileUtils.cp('spec/fixtures/rubocop_todo1.yml', rule1_file)
-    FileUtils.cp('spec/fixtures/rubocop_todo2.yml', rule2_file)
-    FileUtils.cp('spec/fixtures/rubocop_todo_not_autocorrectable.yml', not_autocorrectable_file)
-  end
-
-  after do
-    FileUtils.remove_entry(todo_dir)
-  end
-
   let(:rubocop_fixer) { described_class.new(todo_dir_pattern: todo_dir_pattern, limit_fixes: 5) }
-
   let(:rule1_violating_files) do
     [
       'rule1_violation1.rb',
@@ -45,6 +29,22 @@
     ]
   end
 
+  let(:rule1_file) { Pathname(todo_dir).join('rule1.yml').to_s }
+  let(:rule2_file) { Pathname(todo_dir).join('rule2.yml').to_s }
+  let(:not_autocorrectable_file) { Pathname(todo_dir).join('not_autocorrectable.yml').to_s }
+  let(:todo_dir_pattern) { Pathname(todo_dir).join('**/*.yml').to_s }
+
+  before do
+    Pathname.new(todo_dir)
+    FileUtils.cp('spec/fixtures/rubocop_todo1.yml', rule1_file)
+    FileUtils.cp('spec/fixtures/rubocop_todo2.yml', rule2_file)
+    FileUtils.cp('spec/fixtures/rubocop_todo_not_autocorrectable.yml', not_autocorrectable_file)
+  end
+
+  after do
+    FileUtils.remove_entry(todo_dir)
+  end
+
   describe '#each_change' do
     it 'iterates over todo_dir_pattern files' do
       yielded_times = 0
@@ -116,3 +116,4 @@
     end
   end
 end
+# rubocop:enable RSpec/MultipleMemoizedHelpers