OTWO-7300 Get default branch for Git

Author: alex-sig

lib/ohloh_scm/git/scm.rb

@@ -5,7 +5,7 @@ module Git
     class Scm < OhlohScm::Scm
       def initialize(core:, url:, branch_name:, username:, password:)
         super
-        @branch_name = branch_name || 'master'
+        @branch_name = branch_name
       end
 
       # == Example:

lib/ohloh_scm/git/status.rb

@@ -8,6 +8,16 @@ def branch?(name = scm.branch_name)
 
         activity.branches.include?(name)
       end
+
+      def default_branch
+        return unless remote_url?
+
+        run("git remote show '#{scm.url}' | grep 'HEAD branch' | awk '{print $3}'").strip
+      end
+
+      def remote_url?
+        scm.url =~ /^(git|http)/
+      end
     end
   end
 end

lib/ohloh_scm/status.rb

@@ -21,5 +21,7 @@ def exist?
     def scm_dir_exist?
       Dir.exist?(scm.vcs_path)
     end
+
+    def default_branch; end
   end
 end

spec/ohloh_scm/git/status_spec.rb

@@ -4,8 +4,31 @@
   it 'branch?' do
     with_git_repository('git') do |git|
       git.activity.send(:branches).must_equal %w[develop master]
-      assert git.status.branch? # checks master.
+      assert git.status.branch?('master')
       assert git.status.branch?('develop')
     end
   end
+
+  it 'remote_url is true for https' do
+    git_scm = OhlohScm::Factory.get_core(scm_type: :git, url: 'https://example.com', branch_name: 'test')
+    assert git_scm.status.remote_url?
+  end
+
+  it 'remote_url is true for git' do
+    git_scm = OhlohScm::Factory.get_core(scm_type: :git, url: '[email protected]', branch_name: 'test')
+    assert git_scm.status.remote_url?
+  end
+
+  it 'remote_url is false for local urls' do
+    with_git_repository('git') do |git|
+      refute git.status.remote_url?
+    end
+  end
+
+  it 'default_branch' do
+    with_git_repository('git') do |git|
+      git.status.stubs(:remote_url?).returns(true)
+      git.status.default_branch.must_equal 'master'
+    end
+  end
 end