Merge pull request #841 from HParker/fix-assigned-but-unused-variable…

…-warnings

Fix assigned but unused variable warnings in test

test/repo_apply_test.rb

@@ -103,13 +103,13 @@ def test_bare_repository_defaults_to_index
     assert_index_content 'README', new_content, bare_repo
 
     diff = bare_repo.diff(new_commit, original_commit)
-    
+
     assert_equal true, bare_repo.apply(diff)
     assert_index_content 'README', original_content, bare_repo
   end
 
   def test_location_option
-    new_commit, new_content, original_content = update_file(@repo, 'README')
+    new_commit, _new_content, _original_content = update_file(@repo, 'README')
 
     diff = @repo.diff(new_commit, @original_commit)
 
@@ -166,4 +166,4 @@ def test_callbacks
       @repo.apply(diff, {:location => :index, :hunk_callback => 'this is not a callable object'})
     end
   end
-end
+end

test/settings_test.rb

@@ -14,7 +14,7 @@ def test_used_cache_size
 
     size = Rugged::Settings.used_cache_size
     repo = FixtureRepo.from_libgit2("attr")
-    diff = repo.diff("605812a", "370fe9ec22", :context_lines => 1, :interhunk_lines => 1)
+    repo.diff("605812a", "370fe9ec22", :context_lines => 1, :interhunk_lines => 1)
 
     # cache size should grow
     assert_operator size, :<, Rugged::Settings.used_cache_size

test/submodule_test.rb

@@ -278,7 +278,7 @@ def test_submodule_setup_add
     end
 
     # add a submodule using gitlink by default
-    submodule = @repo.submodules.setup_add(url, submod_path)
+    @repo.submodules.setup_add(url, submod_path)
 
     assert File.file?(File.join(@repo.workdir, submod_path, '.git'))
     assert File.directory?(File.join(@repo.path, 'modules'))
@@ -287,7 +287,7 @@ def test_submodule_setup_add
 
     assert_equal url, @repo.config["submodule.#{submod_path}.url"]
 
-    submodule = @repo.submodules.setup_add(url, second_submod_path, gitlink: false)
+    @repo.submodules.setup_add(url, second_submod_path, gitlink: false)
 
     assert File.directory?(File.join(@repo.workdir, second_submod_path, '.git'))
     refute File.exist?(File.join(@repo.path, 'modules', second_submod_path))