Make the first commit its own parent (issues #25 & #159)

othatbrian · othatbrian · commit de1db54ee468 · 2014-12-07T18:25:54.000-06:00
diff --git a/lib/git/object.rb b/lib/git/object.rb
@@ -182,7 +182,7 @@ def gtree
       end
       
       def parent
-        parents.first
+        parents.first || self
       end
       
       # array of all parent commits
diff --git a/tests/units/test_object.rb b/tests/units/test_object.rb
@@ -41,6 +41,9 @@ def test_commit
     o = @git.gcommit('test_object')
     assert(o.is_a?(Git::Object::Commit))
     assert(o.commit?)
+
+    o = @git.gcommit('545ffc79786f268524c35e1e05b1770c7c74faf1')
+    assert('545ffc79786f268524c35e1e05b1770c7c74faf1', o.parent.sha)
   end
   
   def test_commit_contents
