Track makes entries in .manifest

When a user tracks a file or directory that is in
a nested folder, Homesick creates a .manifest in the
user's castle (if there isn't one already) and adds
an entry listing the file or directory's parent
directory (if it isn't already listed).

lib/homesick.rb

@@ -135,6 +135,15 @@ class Homesick < Thor
     inside castle_path do
       git_add absolute_path
     end
+
+    # are we tracking something nested? Add the parent dir to the manifest unless its already listed
+    unless relative_dir.eql?(Pathname.new('.'))
+      manifest_path = Pathname.new(repos_dir.join(castle, '.manifest'))
+      File.open(manifest_path, 'a+') do |manifest|
+        manifest.puts relative_dir unless manifest.readlines.inject(false) { |memo, line| line.eql?("#{relative_dir.to_s}\n") || memo }
+      end
+    end
+
   end
 
   desc "list", "List cloned castles"

spec/homesick_spec.rb

@@ -192,6 +192,35 @@ describe "homesick" do
       tracked_file.should exist
       File.realdirpath(some_nested_dir).should == File.realdirpath(tracked_file)
     end
+
+    describe "manifest" do
+
+      it 'should add the nested files parent to the manifest' do
+        castle = given_castle('castle_repo')
+
+        some_nested_file = home.file('some/nested/file.txt')
+        homesick.track(some_nested_file.to_s, 'castle_repo')
+
+        manifest = Pathname.new(castle.parent.join('.manifest'))
+        File.open(manifest, 'r') do |f|
+          f.readline.should == "some/nested\n"
+        end
+      end
+
+      it 'should NOT add anything if the files parent is already listed' do
+        castle = given_castle('castle_repo')
+
+        some_nested_file = home.file('some/nested/file.txt')
+        other_nested_file = home.file('some/nested/other.txt')
+        homesick.track(some_nested_file.to_s, 'castle_repo')
+        homesick.track(other_nested_file.to_s, 'castle_repo')
+
+        manifest = Pathname.new(castle.parent.join('.manifest'))
+        File.open(manifest, 'r') do |f|
+          f.readlines.size.should == 1
+        end
+      end
+    end
   end
 
   describe "destroy" do