diff --git a/app/roles/repository.rb b/app/roles/repository.rb
index 191a6d70..e7e57b0e 100644
--- a/app/roles/repository.rb
+++ b/app/roles/repository.rb
@@ -46,18 +46,18 @@ module Repository
   end
 
   # Returns an Array of branch names
-  def branches
+  def branch_names
     repo.branches.collect(&:name).sort
   end
 
   # Returns an Array of tag names
-  def tags
+  def tag_names
     repo.tags.collect(&:name).sort.reverse
   end
 
   # Returns an Array of branch and tag names
   def ref_names
-    [branches + tags].flatten
+    [branch_names + tag_names].flatten
   end
 
   def repo
@@ -112,12 +112,12 @@ module Repository
   # - If two or more branches are present, returns the one that has a name
   #   matching root_ref (default_branch or 'master' if default_branch is nil)
   def discover_default_branch
-    if branches.length == 0
+    if branch_names.length == 0
       nil
-    elsif branches.length == 1
-      branches.first
+    elsif branch_names.length == 1
+      branch_names.first
     else
-      branches.select { |v| v == root_ref }.first
+      branch_names.select { |v| v == root_ref }.first
     end
   end
 
diff --git a/spec/roles/repository_spec.rb b/spec/roles/repository_spec.rb
index c4e0e9de..3507585a 100644
--- a/spec/roles/repository_spec.rb
+++ b/spec/roles/repository_spec.rb
@@ -25,23 +25,23 @@ describe Project, "Repository" do
     let(:stable) { 'stable' }
 
     it "returns 'master' when master exists" do
-      project.should_receive(:branches).at_least(:once).and_return([stable, master])
+      project.should_receive(:branch_names).at_least(:once).and_return([stable, master])
       project.discover_default_branch.should == 'master'
     end
 
     it "returns non-master when master exists but default branch is set to something else" do
       project.default_branch = 'stable'
-      project.should_receive(:branches).at_least(:once).and_return([stable, master])
+      project.should_receive(:branch_names).at_least(:once).and_return([stable, master])
       project.discover_default_branch.should == 'stable'
     end
 
     it "returns a non-master branch when only one exists" do
-      project.should_receive(:branches).at_least(:once).and_return([stable])
+      project.should_receive(:branch_names).at_least(:once).and_return([stable])
       project.discover_default_branch.should == 'stable'
     end
 
     it "returns nil when no branch exists" do
-      project.should_receive(:branches).at_least(:once).and_return([])
+      project.should_receive(:branch_names).at_least(:once).and_return([])
       project.discover_default_branch.should be_nil
     end
   end