From 4474205aef6399f1789bbcb857e2096c9de3886a Mon Sep 17 00:00:00 2001
From: Priya Rani <priya.rani@imaginea.com>
Date: Tue, 27 Dec 2016 16:10:00 +0530
Subject: [PATCH] OTWO-4466 Set the branch_name as nil if empty string

---
 lib/ohloh_scm/adapters/hg_adapter.rb | 15 ++++++++++-----
 test/unit/hg_commits_test.rb         | 10 ++++++++++
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/lib/ohloh_scm/adapters/hg_adapter.rb b/lib/ohloh_scm/adapters/hg_adapter.rb
index 427668b1..eab19467 100644
--- a/lib/ohloh_scm/adapters/hg_adapter.rb
+++ b/lib/ohloh_scm/adapters/hg_adapter.rb
@@ -1,9 +1,14 @@
 module OhlohScm::Adapters
-	class HgAdapter < AbstractAdapter
-		def english_name
-			"Mercurial"
-		end
-	end
+  class HgAdapter < AbstractAdapter
+    def english_name
+      "Mercurial"
+    end
+
+    def branch_name=(branch_name)
+      branch_name = nil if branch_name.to_s.empty?
+      super
+    end
+  end
 end
 
 require_relative 'hg/validation'
diff --git a/test/unit/hg_commits_test.rb b/test/unit/hg_commits_test.rb
index 9c1eb29b..f2b09b6f 100644
--- a/test/unit/hg_commits_test.rb
+++ b/test/unit/hg_commits_test.rb
@@ -11,6 +11,16 @@ def test_commit_count
 			end
 		end
 
+		def test_commit_count_with_empty_branch
+          	with_hg_repository('hg', '') do |hg|
+        		assert_equal nil, hg.branch_name
+        		assert_equal 5, hg.commit_count
+        		assert_equal 3, hg.commit_count(:after => 'b14fa4692f949940bd1e28da6fb4617de2615484')
+        		assert_equal 0, hg.commit_count(:after => '655f04cf6ad708ab58c7b941672dce09dd369a18')
+      		end
+    	end
+
+
 		def test_commit_tokens
 			with_hg_repository('hg') do |hg|
 				assert_equal ['01101d8ef3cea7da9ac6e9a226d645f4418f05c9',