ruby.yml in caliber-0.28.0

- old
+ new

@@ -219,10 +219,12 @@
   Enabled: true
 Style/ComparableClamp:
   Enabled: true
 Style/ConcatArrayLiterals:
   Enabled: true
+Style/DirEmpty:
+  Enabled: true
 Style/Documentation:
   Enabled: false
 Style/DocumentDynamicEvalDefinition:
   Enabled: false
 Style/DoubleNegation:
@@ -238,9 +240,11 @@
 Style/EnvHome:
   Enabled: true
 Style/ExplicitBlockArgument:
   Enabled: false
 Style/FetchEnvVar:
+  Enabled: true
+Style/FileEmpty:
   Enabled: true
 Style/FileRead:
   Enabled: true
 Style/FileWrite:
   Enabled: true