Use haml_lint for views linting

.gitlab-ci.yml

@@ -206,6 +206,7 @@ spinach 9 10 ruby21: *spinach-knapsack-ruby21
     - bundle exec $CI_BUILD_NAME
 
 rubocop: *exec
+rake haml-lint: *exec
 rake scss_lint: *exec
 rake brakeman: *exec
 rake flog: *exec

CHANGELOG

@@ -20,6 +20,7 @@ v 8.12.0 (unreleased)
   - Fix pagination on user snippets page
   - Fix sorting of issues in API
   - Ensure specs on sorting of issues in API are deterministic on MySQL
+  - Use haml_lint for views linting
   - Escape search term before passing it to Regexp.new !6241 (winniehell)
   - Fix pinned sidebar behavior in smaller viewports !6169
   - Fix file permissions change when updating a file on the Gitlab UI !5979

Gemfile

@@ -298,6 +298,7 @@ group :development, :test do
   gem 'rubocop', '~> 0.41.2', require: false
   gem 'rubocop-rspec', '~> 1.5.0', require: false
   gem 'scss_lint', '~> 0.47.0', require: false
+  gem 'haml_lint', '~> 0.18.2', require: false
   gem 'simplecov', '0.12.0', require: false
   gem 'flog', '~> 4.3.2', require: false
   gem 'flay', '~> 2.6.1', require: false

Gemfile.lock

@@ -322,6 +322,13 @@ GEM
     grape-entity (0.4.8)
       activesupport
       multi_json (>= 1.3.2)
+    haml (4.0.7)
+      tilt
+    haml_lint (0.18.2)
+      haml (~> 4.0)
+      rake (>= 10, < 12)
+      rubocop (>= 0.36.0)
+      sysexits (~> 1.1)
     hamlit (2.6.1)
       temple (~> 0.7.6)
       thor
@@ -723,6 +730,7 @@ GEM
     stringex (2.5.2)
     sys-filesystem (1.1.6)
       ffi
+    sysexits (1.2.0)
     systemu (2.6.5)
     task_list (1.0.2)
       html-pipeline
@@ -866,6 +874,7 @@ DEPENDENCIES
   gon (~> 6.1.0)
   grape (~> 0.15.0)
   grape-entity (~> 0.4.2)
+  haml_lint (~> 0.18.2)
   hamlit (~> 2.6.1)
   health_check (~> 2.1.0)
   hipchat (~> 1.5.0)