Fixes #37101 - Add rubocop to github actions

.github/workflows/ruby_tests.yml

@@ -2,6 +2,10 @@ name: Ruby Tests
 on: pull_request
 
 jobs:
+  rubocop:
+    uses: theforeman/actions/.github/workflows/rubocop.yml@v0
+    with:
+      command: bundle exec rubocop --parallel --format github
   Test_ruby:
     runs-on: ubuntu-latest
     strategy:

lib/foreman_maintain/utils/command_runner.rb

@@ -8,13 +8,15 @@ class CommandRunner
       attr_reader :logger, :command
 
       def initialize(logger, command, options)
-        options.validate_options!(:stdin, :hidden_patterns, :interactive, :valid_exit_statuses)
+        options.validate_options!(:stdin, :hidden_patterns, :interactive, :valid_exit_statuses,
+          :discard_stderr)
         options[:valid_exit_statuses] ||= [0]
         @logger = logger
         @command = command
         @stdin = options[:stdin]
         @hidden_patterns = Array(options[:hidden_patterns]).compact
         @interactive = options[:interactive]
+        @discard_stderr = options[:discard_stderr] || false
         @options = options
         @valid_exit_statuses = options[:valid_exit_statuses]
         raise ArgumentError, 'Can not pass stdin for interactive command' if @interactive && @stdin
@@ -92,7 +94,11 @@ def run_non_interactively
       end
 
       def full_command
-        "#{@command} 2>&1"
+        if @discard_stderr
+          @command.to_s
+        else
+          "#{@command} 2>&1"
+        end
       end
 
       def hide_strings(string)