lib/potassium/templates/application/helpers/gem-helpers.rb in potassium-1.3.4 vs lib/potassium/templates/application/helpers/gem-helpers.rb in potassium-1.3.5

@@ -1,16 +1,8 @@
 module GemHelpers
-
-  def gem_exists?(regex)
-    exists = false
-    File.open("Gemfile").each_line do |line|
-      if line =~ regex
-        exists = true
-        return
-      end
-    end
-    exists
+  def gem_exists?(regexp)
+    File.open("Gemfile").each_line.any? { |line| line =~ regexp }
   end
 
   def gather_gem(name, *attributes)
     ensure_variable(:gems, {})
     current_gem_groups = get(:current_gem_groups) || [:base]
@@ -18,10 +10,10 @@
     get(:gems)[current_gem_groups] ||= []
     get(:gems)[current_gem_groups] << { name: name, attributes: attributes }
   end
 
   def discard_gem(name)
-    get(:gems).each do |environments, gems|
+    get(:gems).each do |_environments, gems|
       gems.delete_if do |gem_entry|
         gem_entry[:name] == name
       end
     end
   end