Setup haml-lint CI with todo config (#23524)

27 files changed, 248 insertions, 145 deletions

diff --git a/.github/workflows/haml-lint-problem-matcher.json b/.github/workflows/haml-lint-problem-matcher.json
new file mode 100644
index 000000000..3523ea295
--- /dev/null
+++ b/.github/workflows/haml-lint-problem-matcher.json
@@ -0,0 +1,17 @@
+{
+  "problemMatcher": [
+    {
+      "owner": "haml-lint",
+      "severity": "warning",
+      "pattern": [
+        {
+          "regexp": "^(.*):(\\d+)\\s\\[W]\\s(.*):\\s(.*)$",
+          "file": 1,
+          "line": 2,
+          "code": 3,
+          "message": 4
+        }
+      ]
+    }
+  ]
+}
diff --git a/.github/workflows/lint-haml.yml b/.github/workflows/lint-haml.yml
new file mode 100644
index 000000000..a2b22a659
--- /dev/null
+++ b/.github/workflows/lint-haml.yml
@@ -0,0 +1,44 @@
+name: Haml Linting
+on:
+  push:
+    branches-ignore:
+      - 'dependabot/**'
+    paths:
+      - '.github/workflows/haml-lint-problem-matcher.json'
+      - '.github/workflows/lint-haml.yml'
+      - '.haml-lint*.yml'
+      - '.rubocop*.yml'
+      - '.ruby-version'
+      - '**/*.haml'
+      - 'Gemfile*'
+
+  pull_request:
+    paths:
+      - '.github/workflows/haml-lint-problem-matcher.json'
+      - '.github/workflows/lint-haml.yml'
+      - '.haml-lint*.yml'
+      - '.rubocop*.yml'
+      - '.ruby-version'
+      - '**/*.haml'
+      - 'Gemfile*'
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v3
+
+      - name: Install native Ruby dependencies
+        run: sudo apt-get install -y libicu-dev libidn11-dev
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: .ruby-version
+          bundler-cache: true
+
+      - name: Run haml-lint
+        run: |
+          echo "::add-matcher::.github/workflows/haml-lint-problem-matcher.json"
+          bundle exec haml-lint
diff --git a/.haml-lint.yml b/.haml-lint.yml
index 7853d81d7..12ca46342 100644
--- a/.haml-lint.yml
+++ b/.haml-lint.yml
@@ -1,108 +1,9 @@
-# Whether to ignore frontmatter at the beginning of HAML documents for
-# frameworks such as Jekyll/Middleman
-skip_frontmatter: false
+inherits_from: .haml-lint_todo.yml
 
 exclude:
   - 'vendor/**/*'
-  - 'spec/**/*'
-  - 'lib/templates/**/*'
-  - 'app/views/kaminari/**/*'
+  - lib/templates/haml/scaffold/_form.html.haml
 
 linters:
   AltText:
-    enabled: false
-
-  ClassAttributeWithStaticValue:
-    enabled: true
-
-  ClassesBeforeIds:
-    enabled: true
-
-  ConsecutiveComments:
-    enabled: true
-
-  ConsecutiveSilentScripts:
-    enabled: true
-    max_consecutive: 2
-
-  EmptyObjectReference:
-    enabled: true
-
-  EmptyScript:
-    enabled: true
-
-  FinalNewline:
-    enabled: true
-    present: true
-
-  HtmlAttributes:
-    enabled: true
-
-  ImplicitDiv:
-    enabled: true
-
-  LeadingCommentSpace:
-    enabled: true
-
-  LineLength:
-    enabled: false
-    max: 80
-
-  MultilinePipe:
-    enabled: true
-
-  MultilineScript:
-    enabled: true
-
-  ObjectReferenceAttributes:
-    enabled: true
-
-  RuboCop:
-    enabled: true
-    # These cops are incredibly noisy when it comes to HAML templates, so we
-    # ignore them.
-    ignored_cops:
-      - Lint/BlockAlignment
-      - Lint/EndAlignment
-      - Lint/Void
-      - Metrics/BlockLength
-      - Metrics/LineLength
-      - Style/AlignParameters
-      - Style/BlockNesting
-      - Style/ElseAlignment
-      - Style/EndOfLine
-      - Style/FileName
-      - Style/FinalNewline
-      - Style/FrozenStringLiteralComment
-      - Style/IfUnlessModifier
-      - Style/IndentationWidth
-      - Style/Next
-      - Style/TrailingBlankLines
-      - Style/TrailingWhitespace
-      - Style/WhileUntilModifier
-
-  RubyComments:
-    enabled: true
-
-  SpaceBeforeScript:
-    enabled: true
-
-  SpaceInsideHashAttributes:
-    enabled: true
-    style: space
-
-  Indentation:
-    enabled: true
-    character: space # or tab
-
-  TagName:
-    enabled: true
-
-  TrailingWhitespace:
-    enabled: true
-
-  UnnecessaryInterpolation:
-    enabled: true
-
-  UnnecessaryStringOutput:
     enabled: true
diff --git a/.haml-lint_todo.yml b/.haml-lint_todo.yml
new file mode 100644
index 000000000..203010b04
--- /dev/null
+++ b/.haml-lint_todo.yml
@@ -0,0 +1,128 @@
+# This configuration was generated by
+# `haml-lint --auto-gen-config`
+# on 2023-02-11 02:16:03 -0500 using Haml-Lint version 0.45.0.
+# The point is for the user to remove these configuration records
+# one by one as the lints are removed from the code base.
+# Note that changes in the inspected code, or installation of new
+# versions of Haml-Lint, may require this file to be generated again.
+
+linters:
+  # Offense count: 76
+  RuboCop:
+    exclude:
+      - 'app/views/accounts/_og.html.haml'
+      - 'app/views/admin/account_actions/new.html.haml'
+      - 'app/views/admin/account_warnings/_account_warning.html.haml'
+      - 'app/views/admin/accounts/index.html.haml'
+      - 'app/views/admin/accounts/show.html.haml'
+      - 'app/views/admin/action_logs/index.html.haml'
+      - 'app/views/admin/announcements/edit.html.haml'
+      - 'app/views/admin/announcements/new.html.haml'
+      - 'app/views/admin/change_emails/show.html.haml'
+      - 'app/views/admin/custom_emojis/index.html.haml'
+      - 'app/views/admin/dashboard/index.html.haml'
+      - 'app/views/admin/disputes/appeals/_appeal.html.haml'
+      - 'app/views/admin/domain_blocks/edit.html.haml'
+      - 'app/views/admin/domain_blocks/new.html.haml'
+      - 'app/views/admin/ip_blocks/new.html.haml'
+      - 'app/views/admin/reports/actions/preview.html.haml'
+      - 'app/views/admin/reports/index.html.haml'
+      - 'app/views/admin/reports/show.html.haml'
+      - 'app/views/admin/roles/_form.html.haml'
+      - 'app/views/admin/settings/about/show.html.haml'
+      - 'app/views/admin/settings/appearance/show.html.haml'
+      - 'app/views/admin/settings/registrations/show.html.haml'
+      - 'app/views/admin/statuses/show.html.haml'
+      - 'app/views/application/_card.html.haml'
+      - 'app/views/application/_sidebar.html.haml'
+      - 'app/views/auth/registrations/_sessions.html.haml'
+      - 'app/views/auth/registrations/new.html.haml'
+      - 'app/views/auth/sessions/new.html.haml'
+      - 'app/views/disputes/strikes/show.html.haml'
+      - 'app/views/filters/_filter_fields.html.haml'
+      - 'app/views/invites/_form.html.haml'
+      - 'app/views/layouts/application.html.haml'
+      - 'app/views/layouts/error.html.haml'
+      - 'app/views/layouts/mailer.html.haml'
+      - 'app/views/notification_mailer/_status.html.haml'
+      - 'app/views/notification_mailer/favourite.html.haml'
+      - 'app/views/notification_mailer/follow_request.html.haml'
+      - 'app/views/oauth/authorizations/new.html.haml'
+      - 'app/views/oauth/authorized_applications/index.html.haml'
+      - 'app/views/settings/applications/_fields.html.haml'
+      - 'app/views/settings/imports/show.html.haml'
+      - 'app/views/settings/login_activities/_login_activity.html.haml'
+      - 'app/views/settings/preferences/appearance/show.html.haml'
+      - 'app/views/settings/preferences/other/show.html.haml'
+      - 'app/views/settings/preferences/other/show.html.haml'
+      - 'app/views/statuses_cleanup/show.html.haml'
+      - 'app/views/statuses/_detailed_status.html.haml'
+      - 'app/views/statuses/_og_image.html.haml'
+      - 'app/views/statuses/_poll.html.haml'
+      - 'app/views/statuses/_status.html.haml'
+      - 'app/views/statuses/show.html.haml'
+      - 'app/views/user_mailer/suspicious_sign_in.html.haml'
+      - 'app/views/user_mailer/warning.html.haml'
+      - 'app/views/user_mailer/webauthn_credential_added.html.haml'
+      - 'app/views/user_mailer/webauthn_credential_deleted.html.haml'
+
+  # Offense count: 918
+  LineLength:
+    enabled: false
+
+  # Offense count: 22
+  UnnecessaryStringOutput:
+    exclude:
+      - 'app/views/accounts/show.html.haml'
+      - 'app/views/admin/custom_emojis/_custom_emoji.html.haml'
+      - 'app/views/admin/relays/_relay.html.haml'
+      - 'app/views/admin/rules/_rule.html.haml'
+      - 'app/views/admin/statuses/index.html.haml'
+      - 'app/views/auth/registrations/_sessions.html.haml'
+      - 'app/views/disputes/strikes/show.html.haml'
+      - 'app/views/notification_mailer/_status.html.haml'
+      - 'app/views/settings/two_factor_authentication_methods/index.html.haml'
+      - 'app/views/statuses/_detailed_status.html.haml'
+      - 'app/views/statuses/_poll.html.haml'
+      - 'app/views/statuses/_simple_status.html.haml'
+      - 'app/views/user_mailer/suspicious_sign_in.html.haml'
+      - 'app/views/user_mailer/webauthn_credential_added.html.haml'
+      - 'app/views/user_mailer/webauthn_credential_deleted.html.haml'
+      - 'app/views/user_mailer/welcome.html.haml'
+
+  # Offense count: 3
+  ViewLength:
+    exclude:
+      - 'app/views/admin/accounts/show.html.haml'
+      - 'app/views/admin/reports/show.html.haml'
+      - 'app/views/disputes/strikes/show.html.haml'
+
+  # Offense count: 43
+  InstanceVariables:
+    exclude:
+      - 'app/views/admin/reports/_actions.html.haml'
+      - 'app/views/admin/roles/_form.html.haml'
+      - 'app/views/admin/webhooks/_form.html.haml'
+      - 'app/views/application/_sidebar.html.haml'
+      - 'app/views/auth/registrations/_sessions.html.haml'
+      - 'app/views/auth/registrations/_status.html.haml'
+      - 'app/views/auth/sessions/two_factor/_otp_authentication_form.html.haml'
+      - 'app/views/authorize_interactions/_post_follow_actions.html.haml'
+      - 'app/views/invites/_form.html.haml'
+      - 'app/views/relationships/_account.html.haml'
+      - 'app/views/shared/_og.html.haml'
+      - 'app/views/statuses/_status.html.haml'
+
+  # Offense count: 6
+  ConsecutiveSilentScripts:
+    exclude:
+      - 'app/views/admin/settings/shared/_links.html.haml'
+      - 'app/views/settings/login_activities/_login_activity.html.haml'
+      - 'app/views/statuses/_poll.html.haml'
+
+  # Offense count: 3
+  IdNames:
+    exclude:
+      - 'app/views/authorize_interactions/error.html.haml'
+      - 'app/views/oauth/authorizations/error.html.haml'
+      - 'app/views/shared/_error_messages.html.haml'
diff --git a/Gemfile b/Gemfile
index 7a836b6ba..c7889118d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -139,6 +139,7 @@ group :development do
   gem 'memory_profiler'
   gem 'brakeman', '~> 5.4', require: false
   gem 'bundler-audit', '~> 0.9', require: false
+  gem 'haml_lint', require: false
 
   gem 'capistrano', '~> 3.17'
   gem 'capistrano-rails', '~> 1.6'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5904ed804..0041c24c7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -308,6 +308,12 @@ GEM
       activesupport (>= 5.1)
       haml (>= 4.0.6)
       railties (>= 5.1)
+    haml_lint (0.45.0)
+      haml (>= 4.0, < 6.2)
+      parallel (~> 1.10)
+      rainbow
+      rubocop (>= 0.50.0)
+      sysexits (~> 1.1)
     hashdiff (1.0.1)
     hashie (5.0.0)
     highline (2.0.3)
@@ -687,6 +693,7 @@ GEM
       activesupport (>= 3)
       attr_required (>= 0.0.5)
       httpclient (>= 2.4)
+    sysexits (1.2.0)
     temple (0.10.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
@@ -804,6 +811,7 @@ DEPENDENCIES
   fog-openstack (~> 0.3)
   fuubar (~> 2.5)
   haml-rails (~> 2.0)
+  haml_lint
   hiredis (~> 0.6)
   htmlentities (~> 4.3)
   http (~> 5.1)
diff --git a/app/views/admin/accounts/show.html.haml b/app/views/admin/accounts/show.html.haml
index c8a9d33a7..f5ae88379 100644
--- a/app/views/admin/accounts/show.html.haml
+++ b/app/views/admin/accounts/show.html.haml
@@ -206,7 +206,7 @@
     - if @deletion_request.present?
       = link_to t('admin.accounts.delete'), admin_account_path(@account.id), method: :delete, class: 'button button--destructive', data: { confirm: t('admin.accounts.are_you_sure') } if can?(:destroy, @account)
   - else
-    %div.action-buttons
+    .action-buttons
       %div
         - if @account.local? && @account.user_approved?
           = link_to t('admin.accounts.warn'), new_admin_account_action_path(@account.id, type: 'none'), class: 'button' if can?(:warn, @account)
@@ -276,9 +276,9 @@
   %hr.spacer/
 
   - if @account.user&.invite_request&.text&.present?
-    %div.speech-bubble
-      %div.speech-bubble__bubble
+    .speech-bubble
+      .speech-bubble__bubble
         = @account.user&.invite_request&.text
-      %div.speech-bubble__owner
+      .speech-bubble__owner
         = admin_account_link_to @account
         = t('admin.accounts.invite_request_text')
diff --git a/app/views/admin/action_logs/index.html.haml b/app/views/admin/action_logs/index.html.haml
index d8b7132f5..e2992fb80 100644
--- a/app/views/admin/action_logs/index.html.haml
+++ b/app/views/admin/action_logs/index.html.haml
@@ -19,7 +19,7 @@
         = select_tag :action_type, options_for_select(Admin::ActionLogFilter::ACTION_TYPE_MAP.keys.map { |key| [I18n.t("admin.action_logs.action_types.#{key}"), key]}, params[:action_type]), prompt: I18n.t('admin.accounts.moderation.all')
 
 - if @action_logs.empty?
-  %div.muted-hint.center-text
+  .muted-hint.center-text
     = t 'admin.action_logs.empty'
 - else
   .report-notes
diff --git a/app/views/admin/announcements/index.html.haml b/app/views/admin/announcements/index.html.haml
index 40f02b914..ce520f59d 100644
--- a/app/views/admin/announcements/index.html.haml
+++ b/app/views/admin/announcements/index.html.haml
@@ -12,7 +12,7 @@
       %li= filter_link_to safe_join([t('admin.announcements.live'), "(#{number_with_delimiter(Announcement.published.count)})"], ' '), published: '1', unpublished: nil
 
 - if @announcements.empty?
-  %div.muted-hint.center-text
+  .muted-hint.center-text
     = t 'admin.announcements.empty'
 - else
   .announcements-list
diff --git a/app/views/admin/disputes/appeals/index.html.haml b/app/views/admin/disputes/appeals/index.html.haml
index dd6a6f403..602414550 100644
--- a/app/views/admin/disputes/appeals/index.html.haml
+++ b/app/views/admin/disputes/appeals/index.html.haml
@@ -13,7 +13,7 @@
       %li= filter_link_to t('admin.trends.rejected'), status: 'rejected'
 
 - if @appeals.empty?
-  %div.muted-hint.center-text
+  .muted-hint.center-text
     = t 'admin.disputes.appeals.empty'
 - else
   .announcements-list
diff --git a/app/views/admin/instances/index.html.haml b/app/views/admin/instances/index.html.haml
index 8f7e3e67d..0bae70e31 100644
--- a/app/views/admin/instances/index.html.haml
+++ b/app/views/admin/instances/index.html.haml
@@ -47,7 +47,7 @@
 %hr.spacer/
 
 - if @instances.empty?
-  %div.muted-hint.center-text
+  .muted-hint.center-text
     = t 'admin.instances.empty'
 - else
   = render partial: 'instance', collection: @instances
diff --git a/app/views/admin/rules/index.html.haml b/app/views/admin/rules/index.html.haml
index 4fb993ad0..aa6a4c1b6 100644
--- a/app/views/admin/rules/index.html.haml
+++ b/app/views/admin/rules/index.html.haml
@@ -18,7 +18,7 @@
   %hr.spacer/
 
 - if @rules.empty?
-  %div.muted-hint.center-text
+  .muted-hint.center-text
     = t 'admin.rules.empty'
 - else
   .announcements-list
diff --git a/app/views/admin/warning_presets/index.html.haml b/app/views/admin/warning_presets/index.html.haml
index dbc23fa30..b26a13d96 100644
--- a/app/views/admin/warning_presets/index.html.haml
+++ b/app/views/admin/warning_presets/index.html.haml
@@ -17,7 +17,7 @@
   %hr.spacer/
 
 - if @warning_presets.empty?
-  %div.muted-hint.center-text
+  .muted-hint.center-text
     = t 'admin.warning_presets.empty'
 - else
   .announcements-list
diff --git a/app/views/admin/webhooks/index.html.haml b/app/views/admin/webhooks/index.html.haml
index e4499e078..603d0edd2 100644
--- a/app/views/admin/webhooks/index.html.haml
+++ b/app/views/admin/webhooks/index.html.haml
@@ -9,7 +9,7 @@
 %hr.spacer/
 
 - if @webhooks.empty?
-  %div.muted-hint.center-text
+  .muted-hint.center-text
     = t 'admin.webhooks.empty'
 - else
   .applications-list
diff --git a/app/views/auth/sessions/two_factor.html.haml b/app/views/auth/sessions/two_factor.html.haml
index b897a0422..20232d8dc 100644
--- a/app/views/auth/sessions/two_factor.html.haml
+++ b/app/views/auth/sessions/two_factor.html.haml
@@ -1,7 +1,7 @@
 - content_for :page_title do
   = t('auth.login')
 
-=javascript_pack_tag 'two_factor_authentication', crossorigin: 'anonymous'
+= javascript_pack_tag 'two_factor_authentication', crossorigin: 'anonymous'
 
 - if @webauthn_enabled
   = render partial: 'auth/sessions/two_factor/webauthn_form', locals: { hidden: @scheme_type != 'webauthn' }
diff --git a/app/views/filters/_filter_fields.html.haml b/app/views/filters/_filter_fields.html.haml
index c58978f5a..a554b55ff 100644
--- a/app/views/filters/_filter_fields.html.haml
+++ b/app/views/filters/_filter_fields.html.haml
@@ -35,6 +35,6 @@
         = render 'keyword_fields', f: keyword
     %tfoot
       %tr
-        %td{ colspan: 3}
+        %td{ colspan: 3 }
           = link_to_add_association f, :keywords, class: 'table-action-link', partial: 'keyword_fields', 'data-association-insertion-node': '.keywords-table tbody', 'data-association-insertion-method': 'append' do
             = safe_join([fa_icon('plus'), t('filters.edit.add_keyword')])
diff --git a/app/views/filters/index.html.haml b/app/views/filters/index.html.haml
index 0227526a4..9c84f796f 100644
--- a/app/views/filters/index.html.haml
+++ b/app/views/filters/index.html.haml
@@ -5,7 +5,7 @@
   = link_to t('filters.new.title'), new_filter_path, class: 'button'
 
 - if @filters.empty?
-  %div.muted-hint.center-text= t 'filters.index.empty'
+  .muted-hint.center-text= t 'filters.index.empty'
 - else
   .applications-list
     = render partial: 'filter', collection: @filters
diff --git a/app/views/kaminari/_next_page.html.haml b/app/views/kaminari/_next_page.html.haml
index 30a3643d6..c44aea1f1 100644
--- a/app/views/kaminari/_next_page.html.haml
+++ b/app/views/kaminari/_next_page.html.haml
@@ -1,9 +1,11 @@
--#  Link to the "Next" page
--#  available local variables
--#    url:           url to the next page
--#    current_page:  a page object for the currently displayed page
--#    total_pages:   total number of pages
--#    per_page:      number of items to fetch per page
--#    remote:        data-remote
+-#
+  Link to the "Next" page
+  available local variables
+    url:           url to the next page
+    current_page:  a page object for the currently displayed page
+    total_pages:   total number of pages
+    per_page:      number of items to fetch per page
+    remote:        data-remote
+
 %span.next
   = link_to_unless current_page.last?, safe_join([t('pagination.next'), fa_icon('chevron-right')], ' '), url, rel: 'next', remote: remote
diff --git a/app/views/kaminari/_paginator.html.haml b/app/views/kaminari/_paginator.html.haml
index b1da236d5..4778f6279 100644
--- a/app/views/kaminari/_paginator.html.haml
+++ b/app/views/kaminari/_paginator.html.haml
@@ -1,10 +1,11 @@
--#  The container tag
--#  available local variables
--#    current_page:  a page object for the currently displayed page
--#    total_pages:   total number of pages
--#    per_page:      number of items to fetch per page
--#    remote:        data-remote
--#    paginator:     the paginator that renders the pagination tags inside
+-#
+  The container tag
+  available local variables
+    current_page:  a page object for the currently displayed page
+    total_pages:   total number of pages
+    per_page:      number of items to fetch per page
+    remote:        data-remote
+    paginator:     the paginator that renders the pagination tags inside
 = paginator.render do
   %nav.pagination
     = prev_page_tag unless current_page.first?
diff --git a/app/views/kaminari/_prev_page.html.haml b/app/views/kaminari/_prev_page.html.haml
index 1089e3566..284d6223b 100644
--- a/app/views/kaminari/_prev_page.html.haml
+++ b/app/views/kaminari/_prev_page.html.haml
@@ -1,9 +1,10 @@
--#  Link to the "Previous" page
--#  available local variables
--#    url:           url to the previous page
--#    current_page:  a page object for the currently displayed page
--#    total_pages:   total number of pages
--#    per_page:      number of items to fetch per page
--#    remote:        data-remote
+-#
+  Link to the "Previous" page
+  available local variables
+    url:           url to the previous page
+    current_page:  a page object for the currently displayed page
+    total_pages:   total number of pages
+    per_page:      number of items to fetch per page
+    remote:        data-remote
 %span.prev
   = link_to_unless current_page.first?, safe_join([fa_icon('chevron-left'), t('pagination.prev')], ' '), url, rel: 'prev', remote: remote
diff --git a/app/views/layouts/modal.html.haml b/app/views/layouts/modal.html.haml
index bbdae602f..bd2dcc132 100644
--- a/app/views/layouts/modal.html.haml
+++ b/app/views/layouts/modal.html.haml
@@ -15,6 +15,6 @@
 
   .modal-layout__mastodon
     %div
-      %img{alt: '', draggable: 'false', src: mascot_url }
+      %img{ alt: '', draggable: 'false', src: mascot_url }
 
 = render template: 'layouts/application'
diff --git a/app/views/notification_mailer/_status.html.haml b/app/views/notification_mailer/_status.html.haml
index e7cd5ba3e..03f49c73d 100644
--- a/app/views/notification_mailer/_status.html.haml
+++ b/app/views/notification_mailer/_status.html.haml
@@ -26,11 +26,11 @@
                                       = "@#{status.account.pretty_acct}"
 
                               - if status.spoiler_text?
-                                %div.auto-dir
+                                .auto-dir
                                   %p
                                     = status.spoiler_text
 
-                              %div.auto-dir
+                              .auto-dir
                                 = status_content_format(status)
 
                                 - if status.ordered_media_attachments.size > 0
diff --git a/app/views/oauth/authorizations/show.html.haml b/app/views/oauth/authorizations/show.html.haml
index c3c9960d8..a5122a87f 100644
--- a/app/views/oauth/authorizations/show.html.haml
+++ b/app/views/oauth/authorizations/show.html.haml
@@ -3,5 +3,5 @@
     %p= t('doorkeeper.authorizations.show.title')
     .input-copy
       .input-copy__wrapper
-        %input{ type: 'text', class: 'oauth-code', spellcheck: 'false', readonly: true, value: params[:code] }
+        %input.oauth-code{ type: 'text', spellcheck: 'false', readonly: true, value: params[:code] }
       %button{ type: :button }= t('generic.copy')
diff --git a/app/views/settings/applications/index.html.haml b/app/views/settings/applications/index.html.haml
index a1f904a3a..5c31d56bc 100644
--- a/app/views/settings/applications/index.html.haml
+++ b/app/views/settings/applications/index.html.haml
@@ -5,7 +5,7 @@
   = link_to t('doorkeeper.applications.index.new'), new_settings_application_path, class: 'button'
 
 - if @applications.empty?
-  %div.muted-hint.center-text=t 'doorkeeper.applications.index.empty'
+  .muted-hint.center-text= t 'doorkeeper.applications.index.empty'
 - else
   .table-wrapper
     %table.table
diff --git a/app/views/settings/applications/show.html.haml b/app/views/settings/applications/show.html.haml
index 390682d6f..466a8ba34 100644
--- a/app/views/settings/applications/show.html.haml
+++ b/app/views/settings/applications/show.html.haml
@@ -6,7 +6,7 @@
 .table-wrapper
   %table.table
     %tbody
-      %tr  
+      %tr
         %th= t('doorkeeper.applications.show.application_id')
         %td
           %code= @application.uid
@@ -15,7 +15,7 @@
         %td
           %code= @application.secret
       %tr
-        %th{ rowspan: 2}= t('applications.your_token')
+        %th{ rowspan: 2 }= t('applications.your_token')
         %td
           %code= current_user.token_for_app(@application).token
       %tr
diff --git a/app/views/settings/login_activities/index.html.haml b/app/views/settings/login_activities/index.html.haml
index ce524fbef..6fb1bc34c 100644
--- a/app/views/settings/login_activities/index.html.haml
+++ b/app/views/settings/login_activities/index.html.haml
@@ -6,7 +6,7 @@
 %hr.spacer/
 
 - if @login_activities.empty?
-  %div.muted-hint.center-text
+  .muted-hint.center-text
     = t 'login_activities.empty'
 - else
   .announcements-list
diff --git a/app/views/statuses/_poll.html.haml b/app/views/statuses/_poll.html.haml
index d0f264095..248c6058c 100644
--- a/app/views/statuses/_poll.html.haml
+++ b/app/views/statuses/_poll.html.haml
@@ -21,7 +21,7 @@
             %span.poll__chart
         - else
           %label.poll__option><
-            %span.poll__input{ class: poll.multiple? ? 'checkbox' : nil}><
+            %span.poll__input{ class: poll.multiple? ? 'checkbox' : nil }><
             %span.poll__option__text
               = prerender_custom_emojis(h(option.title), status.emojis)
   .poll__footer