decorate commits in Gitlab::Git::repository with valid class

lib/gitlab/git/repository.rb

@@ -54,11 +54,11 @@ module Gitlab
                    repo.commits(root_ref).first
                  end
 
-        Commit.new(commit) if commit
+        decorate_commit(commit) if commit
       end
 
       def commits_with_refs(n = 20)
-        commits = repo.branches.map { |ref| Commit.new(ref.commit, ref) }
+        commits = repo.branches.map { |ref| decorate_commit(ref.commit, ref) }
 
         commits.sort! do |x, y|
           y.committed_date <=> x.committed_date
@@ -74,11 +74,11 @@ module Gitlab
           repo.commits(ref, limit, offset)
         else
           repo.commits(ref)
-        end.map{ |c| Commit.new(c) }
+        end.map{ |c| decorate_commit(c) }
       end
 
       def commits_between(from, to)
-        repo.commits_between(from, to).map { |c| Commit.new(c) }
+        repo.commits_between(from, to).map { |c| decorate_commit(c) }
       end
 
       def last_commit_for(ref, path = nil)
@@ -190,6 +190,12 @@ module Gitlab
       def cache_key(type)
         "#{type}:#{path_with_namespace}"
       end
+
+      protected
+
+      def decorate_commit(commit, ref = nil)
+        Gitlab::Git::Commit.new(commit, ref)
+      end
     end
   end
 end

spec/lib/gitlab/git/repository_spec.rb

@@ -82,6 +82,17 @@ describe Gitlab::Git::Repository do
     end
   end
 
+  describe "commits" do
+    subject do
+      commits = repository.commits('master', 'app', 3, 1)
+      commits.map { |c| c.id }
+    end
+
+    it { should have(3).elements }
+    it { should include("8716fc78f3c65bbf7bcf7b574febd583bc5d2812") }
+    it { should_not include("bcf03b5de6c33f3869ef70d68cf06e679d1d7f9a") }
+  end
+
   describe "commits_between" do
     subject do
       commits = repository.commits_between("3a4b4fb4cde7809f033822a171b9feae19d41fff",