Add support for parent directories in `StringPath`

This support is not completed though, as parent directory that is first
in collection returned by `directories!` is not iterable yet.

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/gitlab/string_path.rb b/lib/gitlab/string_path.rb
index d165829132a..493fceb256d 100644
--- a/lib/gitlab/string_path.rb
+++ b/lib/gitlab/string_path.rb
@@ -5,6 +5,7 @@ module Gitlab
   # This is IO-operations safe class, that does similar job to 
   # Ruby's Pathname but without the risk of accessing filesystem.
   #
+  # TODO: better support for './' and '../'
   #
   class StringPath
     attr_reader :path, :universe
@@ -45,10 +46,13 @@ module Gitlab
     end
 
     def basename
-      name = @path.split(::File::SEPARATOR).last
       directory? ? name + ::File::SEPARATOR : name
     end
 
+    def name
+      @path.split(::File::SEPARATOR).last
+    end
+
     def has_descendants?
       descendants.any?
     end
@@ -68,6 +72,10 @@ module Gitlab
       children.select { |child| child.directory? }
     end
 
+    def directories!
+      has_parent? ? directories.prepend(new(@path + '../')) : directories
+    end
+
     def files
       return [] unless directory?
       children.select { |child| child.file? }