Fix RuboCop warnings.

.travis.yml

@@ -12,17 +12,18 @@ before_install:
   - HOMEBREW_REPOSITORY="$(brew --repo)"
   - sudo chown -R "$USER" "$HOMEBREW_REPOSITORY"
   - git -C "$HOMEBREW_REPOSITORY" reset --hard origin/master
+  - export HOMEBREW_DEVELOPER="1"
   - brew update || brew update
   - HOMEBREW_TAP_DIR="$(brew --repo "$TRAVIS_REPO_SLUG")"
   - mkdir -p "$HOMEBREW_TAP_DIR"
   - rm -rf "$HOMEBREW_TAP_DIR"
   - ln -s "$PWD" "$HOMEBREW_TAP_DIR"
-  - export HOMEBREW_DEVELOPER="1"
   - ulimit -n 1024
   - export PATH="$HOME/.gem/ruby/2.0.0/bin:$PATH"
   - gem install --user bundler
 
 script:
+  - brew style "$TRAVIS_REPO_SLUG"
   - brew formula-analytics --help
 
 notifications:

cmd/brew-formula-analytics.rb

@@ -21,7 +21,7 @@
 
 # Configure RubyGems.
 REPO_ROOT = Pathname.new "#{File.dirname(__FILE__)}/.."
-VENDOR_RUBY = "#{REPO_ROOT}/vendor/ruby"
+VENDOR_RUBY = "#{REPO_ROOT}/vendor/ruby".freeze
 BUNDLER_SETUP = Pathname.new "#{VENDOR_RUBY}/bundler/setup.rb"
 unless BUNDLER_SETUP.exist?
   Homebrew.install_gem_setup_path! "bundler"
@@ -48,6 +48,8 @@
 # Using a service account:
 # https://developers.google.com/api-client-library/ruby/auth/service-accounts
 credentials = ServiceAccountCredentials.make_creds(
+  # Need to pass an open file descriptor here
+  # rubocop:disable Style/AutoResourceCleanup
   json_key_io: File.open(CREDENTIALS_PATH),
   scope: API_SCOPE,
 )