Preserving original commit sha after parsing the commit data.

robertodecurnex · robertodecurnex · commit a367bff5d792 · 2015-01-12T15:31:22.000-03:00
closes #2
diff --git a/lib/git/object.rb b/lib/git/object.rb
@@ -217,9 +217,7 @@ def diff_parent
       end
       
       def set_commit(data)
-        if data['sha']
-          @sha = data['sha']
-        end
+        @sha ||= data['sha']
         @committer = Git::Author.new(data['committer'])
         @author = Git::Author.new(data['author'])
         @tree = Git::Object::Tree.new(@base, data['tree'])
diff --git a/tests/units/test_object.rb b/tests/units/test_object.rb
@@ -11,6 +11,13 @@ def setup
     @tree = @git.gtree('1cc8667014381^{tree}')
     @blob = @git.gblob('v2.5:example.txt')
   end
+
+  def test_sha_state
+    o = @git.object('HEAD')
+    original_sha = o.sha
+    o.date
+    assert_equal(original_sha, o.sha)
+  end
   
   def test_commit
     o = @git.gcommit('1cc8667014381')
