style: run Rubocop on formulae (new command)

1 files changed, 14 insertions, 0 deletions

diff --git a/Library/Homebrew/cmd/style.rb b/Library/Homebrew/cmd/style.rb
new file mode 100644
index 000000000..132b9d2e3
--- /dev/null
+++ b/Library/Homebrew/cmd/style.rb
@@ -0,0 +1,14 @@
+module Homebrew
+  def style
+    target = if ARGV.named.empty?
+      [HOMEBREW_LIBRARY]
+    else
+      ARGV.formulae.map(&:path)
+    end
+
+    Homebrew.install_gem_setup_path! "rubocop"
+
+    system "rubocop", "--format", "simple", *target
+    Homebrew.failed = !$?.success?
+  end
+end