Convert parser warnings to stdout in haml_lintsh-bump-ruby-2.4.5

This was used in
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/16648
and this could happen from time to time, so let's just keep it.

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/tasks/haml-lint.rake b/lib/tasks/haml-lint.rake
index ad2d034b0b4..786efd14b1a 100644
--- a/lib/tasks/haml-lint.rake
+++ b/lib/tasks/haml-lint.rake
@@ -2,5 +2,16 @@ unless Rails.env.production?
   require 'haml_lint/rake_task'
   require 'haml_lint/inline_javascript'
 
+  # Workaround for warnings from parser/current
+  # Keep it even if it no longer emits any warnings,
+  # because we'll still see warnings in console/server anyway,
+  # and we don't need to break static-analysis for this.
+  task :haml_lint do
+    require 'parser'
+    def Parser.warn(*args)
+      puts(*args) # static-analysis ignores stdout if status is 0
+    end
+  end
+
   HamlLint::RakeTask.new
 end