Enable Style/MultilineTernaryOperator rubocop cop

Avoid multi-line ?: (the ternary operator). Use if/unless instead.

See #17478

.rubocop.yml

@@ -291,6 +291,10 @@ Style/MultilineMethodDefinitionBraceLayout:
 Style/MultilineOperationIndentation:
   Enabled: false
 
+# Avoid multi-line `? :` (the ternary operator), use if/unless instead.
+Style/MultilineTernaryOperator:
+  Enabled: true
+
 # Favor unless over if for negative conditions (or control flow or).
 Style/NegatedIf:
   Enabled: true

.rubocop_todo.yml

@@ -226,10 +226,6 @@ Style/LineEndConcatenation:
 Style/MethodCallParentheses:
   Enabled: false
 
-# Offense count: 3
-Style/MultilineTernaryOperator:
-  Enabled: false
-
 # Offense count: 62
 # Cop supports --auto-correct.
 Style/MutableConstant:

lib/banzai/filter/relative_link_filter.rb

@@ -112,8 +112,7 @@ module Banzai
       end
 
       def current_commit
-        @current_commit ||= context[:commit] ||
+        @current_commit ||= context[:commit] || ref ? repository.commit(ref) : repository.head_commit
-          ref ? repository.commit(ref) : repository.head_commit
       end
 
       def relative_url_root

spec/support/api_helpers.rb

@@ -24,8 +24,11 @@ module ApiHelpers
       (path.index('?') ? '' : '?') +
 
       # Append private_token if given a User object
-      (user.respond_to?(:private_token) ?
+      if user.respond_to?(:private_token)
-        "&private_token=#{user.private_token}" : "")
+        "&private_token=#{user.private_token}"
+      else
+        ''
+      end
   end
 
   def ci_api(path, user = nil)
@@ -35,8 +38,11 @@ module ApiHelpers
       (path.index('?') ? '' : '?') +
 
       # Append private_token if given a User object
-      (user.respond_to?(:private_token) ?
+      if user.respond_to?(:private_token)
-        "&private_token=#{user.private_token}" : "")
+        "&private_token=#{user.private_token}"
+      else
+        ''
+      end
   end
 
   def json_response