initial copy and modifications from the original py/impl/test/dist and

looponfail code. Now works as its own "xdist" plugin.

testing/test_deprecated.py

@@ -0,0 +1,37 @@
+import py
+
+def test_dist_conftest_options(testdir):
+    p1 = testdir.tmpdir.ensure("dir", 'p1.py')
+    p1.dirpath("__init__.py").write("")
+    p1.dirpath("conftest.py").write(py.code.Source("""
+        import py
+        from py.builtin import print_
+        print_("importing conftest", __file__)
+        Option = py.test.config.Option 
+        option = py.test.config.addoptions("someopt", 
+            Option('--someopt', action="store_true", 
+                    dest="someopt", default=False))
+        dist_rsync_roots = ['../dir']
+        print_("added options", option)
+        print_("config file seen from conftest", py.test.config)
+    """))
+    p1.write(py.code.Source("""
+        import py
+        from %s import conftest
+        from py.builtin import print_
+        def test_1(): 
+            print_("config from test_1", py.test.config)
+            print_("conftest from test_1", conftest.__file__)
+            print_("test_1: py.test.config.option.someopt", py.test.config.option.someopt)
+            print_("test_1: conftest", conftest)
+            print_("test_1: conftest.option.someopt", conftest.option.someopt)
+            assert conftest.option.someopt 
+    """ % p1.dirpath().purebasename ))
+    result = testdir.runpytest('-d', '--tx=popen', p1, '--someopt')
+    assert result.ret == 0
+    result.stderr.fnmatch_lines([
+        "*Deprecation*pytest_addoptions*",
+    ])
+    result.stdout.fnmatch_lines([
+        "*1 passed*", 
+    ])