lib/vx/builder/script_builder/prepare.rb in vx-builder-0.5.6 vs lib/vx/builder/script_builder/prepare.rb in vx-builder-0.5.7

@@ -66,11 +66,18 @@
 
           def build_scm(env, sha, path)
             Common::Git.new(env.task.src,
                          sha,
                          path,
-                         branch: env.task.branch,
+                         branch: branch_name(env),
                          pull_request_id: env.task.pull_request_id)
+          end
+
+          def branch_name(env)
+            b = env.task && env.task.branch
+            if b && b != 'HEAD'
+              b
+            end
           end
 
       end
     end
   end