diff --git a/Library/.rubocop.yml b/Library/.rubocop.yml
index 2580668b4b..051a57f933 100644
--- a/Library/.rubocop.yml
+++ b/Library/.rubocop.yml
@@ -58,7 +58,7 @@ Lint/EndAlignment:
 Lint/ParenthesesAsGroupedExpression:
   Enabled: false
 
-# TODO: try to bring down all metrics maximums
+# most metrics don't make sense to apply for formulae/taps
 Metrics/AbcSize:
   Enabled: false
 
@@ -72,9 +72,10 @@ Metrics/CyclomaticComplexity:
   Enabled: false
 
 Metrics/LineLength:
-  Max: 324
-  # ignore manpage comments
-  IgnoredPatterns: ['#: ']
+  # 124 is the goal as GitHub diff UI wraps beyond that
+  Max: 190
+  # ignore manpage comments and long single-line strings
+  IgnoredPatterns: ['#: ', ' url "', ' mirror "', ' plist_options :']
 
 Metrics/MethodLength:
   Enabled: false
diff --git a/Library/Homebrew/.rubocop.yml b/Library/Homebrew/.rubocop.yml
index 0e1fb2d041..3548677389 100644
--- a/Library/Homebrew/.rubocop.yml
+++ b/Library/Homebrew/.rubocop.yml
@@ -25,6 +25,10 @@ Lint/NestedMethodDefinition:
 Lint/ParenthesesAsGroupedExpression:
   Enabled: true
 
+# TODO: try to bring down all metrics maximums
+Metrics/AbcSize:
+  Max: 250
+
 Metrics/BlockLength:
   Max: 1250
 
@@ -34,12 +38,24 @@ Metrics/BlockNesting:
 Metrics/ClassLength:
   Max: 1226
 
+Metrics/CyclomaticComplexity:
+  Max: 75
+
 Metrics/LineLength:
+  # 124 is the goal as GitHub diff UI wraps beyond that
   Max: 244
+  # ignore manpage comments
+  IgnoredPatterns: ['#: ']
 
 Metrics/MethodLength:
   Max: 195
 
+Metrics/ModuleLength:
+  Max: 222
+
+Metrics/PerceivedComplexity:
+  Max: 100
+
 # we won't change backward compatible method names
 Naming/MethodName:
   Exclude:
diff --git a/Library/Homebrew/test/support/fixtures/test.flac b/Library/Homebrew/test/support/fixtures/test.flac
new file mode 100644
index 0000000000..253f14a717
Binary files /dev/null and b/Library/Homebrew/test/support/fixtures/test.flac differ