Don't use --single-branch option

Author: oowekyala

lib/pmdtester/builders/project_builder.rb

@@ -25,7 +25,10 @@ def clone_projects
           clone_cmd = "#{project.type} clone #{project.connection} #{path}"
 
           if project.type == 'git'
-            clone_cmd += " --depth 1 --branch #{project.tag} --single-branch" # don't download whole history
+            # Don't download whole history
+            # Note we don't use --single-branch, because the repo is downloaded
+            # once but may be used with several tags.
+            clone_cmd += ' --depth 1'
           end
           Cmd.execute(clone_cmd)
         end

test/test_project_builder.rb

@@ -38,8 +38,7 @@ def test_build
 
   def expect_git_clone(name, url, revision)
     File.stubs(:exist?).with("target/repositories/#{name}").returns(false).once
-    PmdTester::Cmd.stubs(:execute).with("git clone #{url} target/repositories/#{name} " \
-    "--depth 1 --branch #{revision} --single-branch").once
+    PmdTester::Cmd.stubs(:execute).with("git clone #{url} target/repositories/#{name} --depth 1").once
     Dir.stubs(:chdir).with("target/repositories/#{name}").yields.once
     PmdTester::Cmd.stubs(:execute).with("git checkout #{revision}; git reset --hard #{revision}").once
   end