add relevant files to .gitignore if exists at setup; with specs

lib/motion/project/setup.rb

@@ -50,6 +50,7 @@ def certificates_ok?(silence=false)
 
     def setup
       create_sparkle_folder
+      add_to_gitignore
       copy_templates
       if config_ok?
         App.info "Sparkle", "Config found"

lib/motion/project/sparkle.rb

@@ -63,6 +63,22 @@ def public_key(path_in_resources_folder)
 
     # File manipulation and certificates
 
+    def add_to_gitignore
+      @ignorable = ['sparkle/release','sparkle/release/*','sparkle/config/dsa_priv.pem']
+      return unless File.exist?(gitignore_path)
+      File.open(gitignore_path, 'r') do |f|
+        f.each_line do |line|
+          @ignorable.delete(line) if @ignorable.include?(line)
+        end
+      end
+      File.open(gitignore_path, 'a') do |f|  
+        @ignorable.each do |i|
+          f << "#{i}\n"
+        end 
+      end if @ignorable.any?
+      `cat #{gitignore_path}`
+    end
+
     def create_sparkle_folder
       create_config_folder
       create_release_folder
@@ -100,7 +116,7 @@ def generate_keys
   *  Private certificate: ./#{private_key_path}
   *  Public certificate: ./#{public_key_path}
 Warning:
-ADD YOUR PRIVATE CERTIFICATE TO YOUR GITIGNORE OR EQUIVALENT AND BACK IT UP!
+ADD YOUR PRIVATE CERTIFICATE TO YOUR `.gitignore` OR EQUIVALENT AND BACK IT UP!
 KEEP IT PRIVATE AND SAFE!
 If you lose it, your users will be unable to upgrade.
       "
@@ -120,6 +136,10 @@ def project_path
       @project_path ||= Pathname.new(@config.project_dir)
     end
 
+    def gitignore_path
+      project_path + ".gitignore"  
+    end
+
     def sparkle_release_path
       project_path + RELEASE_PATH
     end

spec/sparkle_spec.rb

@@ -13,7 +13,9 @@ class Config
     unless @completed_setup
       teardown_temporary_directory
       setup_temporary_directory
+
       FileUtils.mkdir_p(temporary_directory + 'resources')
+      FileUtils.touch(temporary_directory + '.gitignore')
 
       @config = App.config
       @config.project_dir = temporary_directory.to_s
@@ -71,4 +73,9 @@ class Config
     File.exist?(@config.sparkle.public_key_path.to_s).should.equal true
   end
 
+  it "should add files to gitignore" do
+    a = `cat .gitignore`
+    a.strip.should.not.equal ''
+  end
+
 end