Add spring support to rails/rake binstubs

- It seems to have been inadvertently removed as part of Rails 5
  upgrade: https://gitlab.com/gitlab-org/gitlab/-/commit/44fef4fe

.gitlab/ci/static-analysis.gitlab-ci.yml

@@ -24,8 +24,11 @@ static-analysis:
   extends:
     - .static-analysis-base
     - .static-analysis:rules:ee-and-foss
+    - .use-pg12
   stage: test
   parallel: 4
+  variables:
+    SETUP_DB: "true"
   script:
     - run_timed_command "retry yarn install --frozen-lockfile"
     - scripts/static-analysis
@@ -35,17 +38,6 @@ static-analysis:
     paths:
       - tmp/feature_flags/
 
-static-analysis-with-database:
-  extends:
-    - .static-analysis-base
-    - .static-analysis:rules:ee-and-foss
-    - .use-pg12
-  stage: test
-  script:
-    - bundle exec rake lint:static_verification_with_database
-  variables:
-    SETUP_DB: "true"
-
 static-analysis as-if-foss:
   extends:
     - static-analysis

bin/rails

 #!/usr/bin/env ruby
+begin
+  load File.expand_path('../spring', __FILE__)
+rescue LoadError => e
+  raise unless e.message.include?('spring')
+end
 APP_PATH = File.expand_path('../config/application', __dir__)
 require_relative '../config/boot'
 require 'rails/commands'

bin/rake

 #!/usr/bin/env ruby
+begin
+  load File.expand_path('../spring', __FILE__)
+rescue LoadError => e
+  raise unless e.message.include?('spring')
+end
 require_relative '../config/boot'
 require 'rake'
 Rake.application.run

lib/gitlab/popen/runner.rb

@@ -31,7 +31,7 @@ module Gitlab
       end
 
       def all_stderr_empty?
-        results.all? { |result| result.stderr.empty? }
+        results.all? { |result| stderr_empty_ignoring_spring(result) }
       end
 
       def failed_results
@@ -40,9 +40,22 @@ module Gitlab
 
       def warned_results
         results.select do |result|
-          result.status.success? && !result.stderr.empty?
+          result.status.success? && !stderr_empty_ignoring_spring(result)
         end
       end
+
+      private
+
+      # NOTE: This is sometimes required instead of just calling `result.stderr.empty?`, if we
+      # want to ignore the spring "Running via Spring preloader..." output to STDERR.
+      # The `Spring.quiet=true` method which spring supports doesn't work, because it doesn't
+      # work to make it quiet when using spring binstubs (the STDERR is printed by `bin/spring`
+      # itself when first required, so there's no opportunity to set Spring.quiet=true).
+      # This should probably be opened as a bug against Spring, with a pull request to support a
+      # `SPRING_QUIET` env var as well.
+      def stderr_empty_ignoring_spring(result)
+        result.stderr.empty? || result.stderr =~ /\ARunning via Spring preloader in process [0-9]+\Z/
+      end
     end
   end
 end

lib/tasks/lint.rake

@@ -12,13 +12,6 @@ unless Rails.env.production?
       dev:load
     ] do
       Gitlab::Utils::Override.verify!
-    end
-
-    desc "GitLab | Lint | Static verification with database"
-    task static_verification_with_database: %w[
-      lint:static_verification_env
-      dev:load
-    ] do
       Gitlab::Utils::DelegatorOverride.verify!
     end